[FFmpeg-cvslog] Merge commit '73c6ec6d659bab11ac424a4ba6ce3a56246295ee' into merge
Timothy Gu
git at videolan.org
Thu Aug 4 21:17:02 EEST 2016
ffmpeg | branch: master | Timothy Gu <timothygu99 at gmail.com> | Wed Aug 3 20:53:03 2016 -0700| [1b04ea1a6c237a94f81d1b8f8a42fae46fbeacab] | committer: Timothy Gu
Merge commit '73c6ec6d659bab11ac424a4ba6ce3a56246295ee' into merge
* commit '73c6ec6d659bab11ac424a4ba6ce3a56246295ee':
avconv: create simple filtergraphs earlier
Merged-by: Timothy Gu <timothygu99 at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1b04ea1a6c237a94f81d1b8f8a42fae46fbeacab
---
ffmpeg.c | 9 ++++-----
ffmpeg.h | 2 +-
ffmpeg_filter.c | 4 ++--
ffmpeg_opt.c | 16 ++++++++++++++--
4 files changed, 21 insertions(+), 10 deletions(-)
diff --git a/ffmpeg.c b/ffmpeg.c
index e52a736..8677f26 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -3069,11 +3069,10 @@ static int transcode_init(void)
exit_program(1);
#endif
- if (!ost->filter &&
- (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
- enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
- FilterGraph *fg;
- fg = init_simple_filtergraph(ist, ost);
+ if ((enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
+ enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
+ filtergraph_is_simple(ost->filter->graph)) {
+ FilterGraph *fg = ost->filter->graph;
if (configure_filtergraph(fg)) {
av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
exit_program(1);
diff --git a/ffmpeg.h b/ffmpeg.h
index 69edb62..49d65d8 100644
--- a/ffmpeg.h
+++ b/ffmpeg.h
@@ -574,7 +574,7 @@ int configure_filtergraph(FilterGraph *fg);
int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out);
int ist_in_filtergraph(FilterGraph *fg, InputStream *ist);
int filtergraph_is_simple(FilterGraph *fg);
-FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost);
+int init_simple_filtergraph(InputStream *ist, OutputStream *ost);
int init_complex_filtergraph(FilterGraph *fg);
int ffmpeg_parse_options(int argc, char **argv);
diff --git a/ffmpeg_filter.c b/ffmpeg_filter.c
index 0f8319f..76030cf 100644
--- a/ffmpeg_filter.c
+++ b/ffmpeg_filter.c
@@ -193,7 +193,7 @@ DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
GET_CH_LAYOUT_NAME)
-FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
+int init_simple_filtergraph(InputStream *ist, OutputStream *ost)
{
FilterGraph *fg = av_mallocz(sizeof(*fg));
@@ -221,7 +221,7 @@ FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
GROW_ARRAY(filtergraphs, nb_filtergraphs);
filtergraphs[nb_filtergraphs - 1] = fg;
- return fg;
+ return 0;
}
static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index 68bd090..d995b52 100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -1923,7 +1923,7 @@ static int configure_complex_filters(void)
int i, ret = 0;
for (i = 0; i < nb_filtergraphs; i++)
- if (!filtergraphs[i]->graph &&
+ if (!filtergraph_is_simple(filtergraphs[i]) &&
(ret = configure_filtergraph(filtergraphs[i])) < 0)
return ret;
return 0;
@@ -2290,7 +2290,7 @@ loop_end:
}
av_dict_free(&unused_opts);
- /* set the encoding/decoding_needed flags */
+ /* set the encoding/decoding_needed flags and create simple filtergraphs*/
for (i = of->ost_index; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
@@ -2298,6 +2298,18 @@ loop_end:
if (ost->encoding_needed && ost->source_index >= 0) {
InputStream *ist = input_streams[ost->source_index];
ist->decoding_needed |= DECODING_FOR_OST;
+
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
+ ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ err = init_simple_filtergraph(ist, ost);
+ if (err < 0) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Error initializing a simple filtergraph between streams "
+ "%d:%d->%d:%d\n", ist->file_index, ost->source_index,
+ nb_output_files - 1, ost->st->index);
+ exit_program(1);
+ }
+ }
}
}
======================================================================
diff --cc ffmpeg.c
index e52a736,0000000..8677f26
mode 100644,000000..100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@@ -1,4369 -1,0 +1,4368 @@@
+/*
+ * Copyright (c) 2000-2003 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * multimedia converter based on the FFmpeg libraries
+ */
+
+#include "config.h"
+#include <ctype.h>
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdint.h>
+
+#if HAVE_IO_H
+#include <io.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "libavformat/avformat.h"
+#include "libavdevice/avdevice.h"
+#include "libswresample/swresample.h"
+#include "libavutil/opt.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/samplefmt.h"
+#include "libavutil/fifo.h"
+#include "libavutil/internal.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/dict.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/avstring.h"
+#include "libavutil/libm.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/timestamp.h"
+#include "libavutil/bprint.h"
+#include "libavutil/time.h"
+#include "libavutil/threadmessage.h"
+#include "libavcodec/mathops.h"
+#include "libavformat/os_support.h"
+
+# include "libavfilter/avfilter.h"
+# include "libavfilter/buffersrc.h"
+# include "libavfilter/buffersink.h"
+
+#if HAVE_SYS_RESOURCE_H
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/resource.h>
+#elif HAVE_GETPROCESSTIMES
+#include <windows.h>
+#endif
+#if HAVE_GETPROCESSMEMORYINFO
+#include <windows.h>
+#include <psapi.h>
+#endif
+#if HAVE_SETCONSOLECTRLHANDLER
+#include <windows.h>
+#endif
+
+
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#if HAVE_TERMIOS_H
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <termios.h>
+#elif HAVE_KBHIT
+#include <conio.h>
+#endif
+
+#if HAVE_PTHREADS
+#include <pthread.h>
+#endif
+
+#include <time.h>
+
+#include "ffmpeg.h"
+#include "cmdutils.h"
+
+#include "libavutil/avassert.h"
+
+const char program_name[] = "ffmpeg";
+const int program_birth_year = 2000;
+
+static FILE *vstats_file;
+
+const char *const forced_keyframes_const_names[] = {
+ "n",
+ "n_forced",
+ "prev_forced_n",
+ "prev_forced_t",
+ "t",
+ NULL
+};
+
+static void do_video_stats(OutputStream *ost, int frame_size);
+static int64_t getutime(void);
+static int64_t getmaxrss(void);
+
+static int run_as_daemon = 0;
+static int nb_frames_dup = 0;
+static int nb_frames_drop = 0;
+static int64_t decode_error_stat[2];
+
+static int current_time;
+AVIOContext *progress_avio = NULL;
+
+static uint8_t *subtitle_out;
+
+InputStream **input_streams = NULL;
+int nb_input_streams = 0;
+InputFile **input_files = NULL;
+int nb_input_files = 0;
+
+OutputStream **output_streams = NULL;
+int nb_output_streams = 0;
+OutputFile **output_files = NULL;
+int nb_output_files = 0;
+
+FilterGraph **filtergraphs;
+int nb_filtergraphs;
+
+#if HAVE_TERMIOS_H
+
+/* init terminal so that we can grab keys */
+static struct termios oldtty;
+static int restore_tty;
+#endif
+
+#if HAVE_PTHREADS
+static void free_input_threads(void);
+#endif
+
+/* sub2video hack:
+ Convert subtitles to video with alpha to insert them in filter graphs.
+ This is a temporary solution until libavfilter gets real subtitles support.
+ */
+
+static int sub2video_get_blank_frame(InputStream *ist)
+{
+ int ret;
+ AVFrame *frame = ist->sub2video.frame;
+
+ av_frame_unref(frame);
+ ist->sub2video.frame->width = ist->dec_ctx->width ? ist->dec_ctx->width : ist->sub2video.w;
+ ist->sub2video.frame->height = ist->dec_ctx->height ? ist->dec_ctx->height : ist->sub2video.h;
+ ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
+ if ((ret = av_frame_get_buffer(frame, 32)) < 0)
+ return ret;
+ memset(frame->data[0], 0, frame->height * frame->linesize[0]);
+ return 0;
+}
+
+static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
+ AVSubtitleRect *r)
+{
+ uint32_t *pal, *dst2;
+ uint8_t *src, *src2;
+ int x, y;
+
+ if (r->type != SUBTITLE_BITMAP) {
+ av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
+ return;
+ }
+ if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
+ av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle (%d %d %d %d) overflowing %d %d\n",
+ r->x, r->y, r->w, r->h, w, h
+ );
+ return;
+ }
+
+ dst += r->y * dst_linesize + r->x * 4;
+ src = r->data[0];
+ pal = (uint32_t *)r->data[1];
+ for (y = 0; y < r->h; y++) {
+ dst2 = (uint32_t *)dst;
+ src2 = src;
+ for (x = 0; x < r->w; x++)
+ *(dst2++) = pal[*(src2++)];
+ dst += dst_linesize;
+ src += r->linesize[0];
+ }
+}
+
+static void sub2video_push_ref(InputStream *ist, int64_t pts)
+{
+ AVFrame *frame = ist->sub2video.frame;
+ int i;
+
+ av_assert1(frame->data[0]);
+ ist->sub2video.last_pts = frame->pts = pts;
+ for (i = 0; i < ist->nb_filters; i++)
+ av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
+ AV_BUFFERSRC_FLAG_KEEP_REF |
+ AV_BUFFERSRC_FLAG_PUSH);
+}
+
+static void sub2video_update(InputStream *ist, AVSubtitle *sub)
+{
+ AVFrame *frame = ist->sub2video.frame;
+ int8_t *dst;
+ int dst_linesize;
+ int num_rects, i;
+ int64_t pts, end_pts;
+
+ if (!frame)
+ return;
+ if (sub) {
+ pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
+ AV_TIME_BASE_Q, ist->st->time_base);
+ end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
+ AV_TIME_BASE_Q, ist->st->time_base);
+ num_rects = sub->num_rects;
+ } else {
+ pts = ist->sub2video.end_pts;
+ end_pts = INT64_MAX;
+ num_rects = 0;
+ }
+ if (sub2video_get_blank_frame(ist) < 0) {
+ av_log(ist->dec_ctx, AV_LOG_ERROR,
+ "Impossible to get a blank canvas.\n");
+ return;
+ }
+ dst = frame->data [0];
+ dst_linesize = frame->linesize[0];
+ for (i = 0; i < num_rects; i++)
+ sub2video_copy_rect(dst, dst_linesize, frame->width, frame->height, sub->rects[i]);
+ sub2video_push_ref(ist, pts);
+ ist->sub2video.end_pts = end_pts;
+}
+
+static void sub2video_heartbeat(InputStream *ist, int64_t pts)
+{
+ InputFile *infile = input_files[ist->file_index];
+ int i, j, nb_reqs;
+ int64_t pts2;
+
+ /* When a frame is read from a file, examine all sub2video streams in
+ the same file and send the sub2video frame again. Otherwise, decoded
+ video frames could be accumulating in the filter graph while a filter
+ (possibly overlay) is desperately waiting for a subtitle frame. */
+ for (i = 0; i < infile->nb_streams; i++) {
+ InputStream *ist2 = input_streams[infile->ist_index + i];
+ if (!ist2->sub2video.frame)
+ continue;
+ /* subtitles seem to be usually muxed ahead of other streams;
+ if not, subtracting a larger time here is necessary */
+ pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
+ /* do not send the heartbeat frame if the subtitle is already ahead */
+ if (pts2 <= ist2->sub2video.last_pts)
+ continue;
+ if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
+ sub2video_update(ist2, NULL);
+ for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
+ nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
+ if (nb_reqs)
+ sub2video_push_ref(ist2, pts2);
+ }
+}
+
+static void sub2video_flush(InputStream *ist)
+{
+ int i;
+
+ if (ist->sub2video.end_pts < INT64_MAX)
+ sub2video_update(ist, NULL);
+ for (i = 0; i < ist->nb_filters; i++)
+ av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
+}
+
+/* end of sub2video hack */
+
+static void term_exit_sigsafe(void)
+{
+#if HAVE_TERMIOS_H
+ if(restore_tty)
+ tcsetattr (0, TCSANOW, &oldtty);
+#endif
+}
+
+void term_exit(void)
+{
+ av_log(NULL, AV_LOG_QUIET, "%s", "");
+ term_exit_sigsafe();
+}
+
+static volatile int received_sigterm = 0;
+static volatile int received_nb_signals = 0;
+static volatile int transcode_init_done = 0;
+static volatile int ffmpeg_exited = 0;
+static int main_return_code = 0;
+
+static void
+sigterm_handler(int sig)
+{
+ received_sigterm = sig;
+ received_nb_signals++;
+ term_exit_sigsafe();
+ if(received_nb_signals > 3) {
+ write(2/*STDERR_FILENO*/, "Received > 3 system signals, hard exiting\n",
+ strlen("Received > 3 system signals, hard exiting\n"));
+
+ exit(123);
+ }
+}
+
+#if HAVE_SETCONSOLECTRLHANDLER
+static BOOL WINAPI CtrlHandler(DWORD fdwCtrlType)
+{
+ av_log(NULL, AV_LOG_DEBUG, "\nReceived windows signal %ld\n", fdwCtrlType);
+
+ switch (fdwCtrlType)
+ {
+ case CTRL_C_EVENT:
+ case CTRL_BREAK_EVENT:
+ sigterm_handler(SIGINT);
+ return TRUE;
+
+ case CTRL_CLOSE_EVENT:
+ case CTRL_LOGOFF_EVENT:
+ case CTRL_SHUTDOWN_EVENT:
+ sigterm_handler(SIGTERM);
+ /* Basically, with these 3 events, when we return from this method the
+ process is hard terminated, so stall as long as we need to
+ to try and let the main thread(s) clean up and gracefully terminate
+ (we have at most 5 seconds, but should be done far before that). */
+ while (!ffmpeg_exited) {
+ Sleep(0);
+ }
+ return TRUE;
+
+ default:
+ av_log(NULL, AV_LOG_ERROR, "Received unknown windows signal %ld\n", fdwCtrlType);
+ return FALSE;
+ }
+}
+#endif
+
+void term_init(void)
+{
+#if HAVE_TERMIOS_H
+ if(!run_as_daemon){
+ struct termios tty;
+ if (tcgetattr (0, &tty) == 0) {
+ oldtty = tty;
+ restore_tty = 1;
+
+ tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
+ |INLCR|IGNCR|ICRNL|IXON);
+ tty.c_oflag |= OPOST;
+ tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
+ tty.c_cflag &= ~(CSIZE|PARENB);
+ tty.c_cflag |= CS8;
+ tty.c_cc[VMIN] = 1;
+ tty.c_cc[VTIME] = 0;
+
+ tcsetattr (0, TCSANOW, &tty);
+ }
+ signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
+ }
+#endif
+
+ signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
+ signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
+#ifdef SIGXCPU
+ signal(SIGXCPU, sigterm_handler);
+#endif
+#if HAVE_SETCONSOLECTRLHANDLER
+ SetConsoleCtrlHandler((PHANDLER_ROUTINE) CtrlHandler, TRUE);
+#endif
+}
+
+/* read a key without blocking */
+static int read_key(void)
+{
+ unsigned char ch;
+#if HAVE_TERMIOS_H
+ int n = 1;
+ struct timeval tv;
+ fd_set rfds;
+
+ FD_ZERO(&rfds);
+ FD_SET(0, &rfds);
+ tv.tv_sec = 0;
+ tv.tv_usec = 0;
+ n = select(1, &rfds, NULL, NULL, &tv);
+ if (n > 0) {
+ n = read(0, &ch, 1);
+ if (n == 1)
+ return ch;
+
+ return n;
+ }
+#elif HAVE_KBHIT
+# if HAVE_PEEKNAMEDPIPE
+ static int is_pipe;
+ static HANDLE input_handle;
+ DWORD dw, nchars;
+ if(!input_handle){
+ input_handle = GetStdHandle(STD_INPUT_HANDLE);
+ is_pipe = !GetConsoleMode(input_handle, &dw);
+ }
+
+ if (is_pipe) {
+ /* When running under a GUI, you will end here. */
+ if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
+ // input pipe may have been closed by the program that ran ffmpeg
+ return -1;
+ }
+ //Read it
+ if(nchars != 0) {
+ read(0, &ch, 1);
+ return ch;
+ }else{
+ return -1;
+ }
+ }
+# endif
+ if(kbhit())
+ return(getch());
+#endif
+ return -1;
+}
+
+static int decode_interrupt_cb(void *ctx)
+{
+ return received_nb_signals > transcode_init_done;
+}
+
+const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
+
+static void ffmpeg_cleanup(int ret)
+{
+ int i, j;
+
+ if (do_benchmark) {
+ int maxrss = getmaxrss() / 1024;
+ av_log(NULL, AV_LOG_INFO, "bench: maxrss=%ikB\n", maxrss);
+ }
+
+ for (i = 0; i < nb_filtergraphs; i++) {
+ FilterGraph *fg = filtergraphs[i];
+ avfilter_graph_free(&fg->graph);
+ for (j = 0; j < fg->nb_inputs; j++) {
+ av_freep(&fg->inputs[j]->name);
+ av_freep(&fg->inputs[j]);
+ }
+ av_freep(&fg->inputs);
+ for (j = 0; j < fg->nb_outputs; j++) {
+ av_freep(&fg->outputs[j]->name);
+ av_freep(&fg->outputs[j]);
+ }
+ av_freep(&fg->outputs);
+ av_freep(&fg->graph_desc);
+
+ av_freep(&filtergraphs[i]);
+ }
+ av_freep(&filtergraphs);
+
+ av_freep(&subtitle_out);
+
+ /* close files */
+ for (i = 0; i < nb_output_files; i++) {
+ OutputFile *of = output_files[i];
+ AVFormatContext *s;
+ if (!of)
+ continue;
+ s = of->ctx;
+ if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
+ avio_closep(&s->pb);
+ avformat_free_context(s);
+ av_dict_free(&of->opts);
+
+ av_freep(&output_files[i]);
+ }
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ AVBitStreamFilterContext *bsfc;
+
+ if (!ost)
+ continue;
+
+ bsfc = ost->bitstream_filters;
+ while (bsfc) {
+ AVBitStreamFilterContext *next = bsfc->next;
+ av_bitstream_filter_close(bsfc);
+ bsfc = next;
+ }
+ ost->bitstream_filters = NULL;
+ av_frame_free(&ost->filtered_frame);
+ av_frame_free(&ost->last_frame);
+
+ av_parser_close(ost->parser);
+
+ av_freep(&ost->forced_keyframes);
+ av_expr_free(ost->forced_keyframes_pexpr);
+ av_freep(&ost->avfilter);
+ av_freep(&ost->logfile_prefix);
+
+ av_freep(&ost->audio_channels_map);
+ ost->audio_channels_mapped = 0;
+
+ av_dict_free(&ost->sws_dict);
+
+ avcodec_free_context(&ost->enc_ctx);
+
+ av_freep(&output_streams[i]);
+ }
+#if HAVE_PTHREADS
+ free_input_threads();
+#endif
+ for (i = 0; i < nb_input_files; i++) {
+ avformat_close_input(&input_files[i]->ctx);
+ av_freep(&input_files[i]);
+ }
+ for (i = 0; i < nb_input_streams; i++) {
+ InputStream *ist = input_streams[i];
+
+ av_frame_free(&ist->decoded_frame);
+ av_frame_free(&ist->filter_frame);
+ av_dict_free(&ist->decoder_opts);
+ avsubtitle_free(&ist->prev_sub.subtitle);
+ av_frame_free(&ist->sub2video.frame);
+ av_freep(&ist->filters);
+ av_freep(&ist->hwaccel_device);
+
+ avcodec_free_context(&ist->dec_ctx);
+
+ av_freep(&input_streams[i]);
+ }
+
+ if (vstats_file) {
+ if (fclose(vstats_file))
+ av_log(NULL, AV_LOG_ERROR,
+ "Error closing vstats file, loss of information possible: %s\n",
+ av_err2str(AVERROR(errno)));
+ }
+ av_freep(&vstats_filename);
+
+ av_freep(&input_streams);
+ av_freep(&input_files);
+ av_freep(&output_streams);
+ av_freep(&output_files);
+
+ uninit_opts();
+
+ avformat_network_deinit();
+
+ if (received_sigterm) {
+ av_log(NULL, AV_LOG_INFO, "Exiting normally, received signal %d.\n",
+ (int) received_sigterm);
+ } else if (ret && transcode_init_done) {
+ av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
+ }
+ term_exit();
+ ffmpeg_exited = 1;
+}
+
+void remove_avoptions(AVDictionary **a, AVDictionary *b)
+{
+ AVDictionaryEntry *t = NULL;
+
+ while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
+ av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
+ }
+}
+
+void assert_avoptions(AVDictionary *m)
+{
+ AVDictionaryEntry *t;
+ if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
+ av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
+ exit_program(1);
+ }
+}
+
+static void abort_codec_experimental(AVCodec *c, int encoder)
+{
+ exit_program(1);
+}
+
+static void update_benchmark(const char *fmt, ...)
+{
+ if (do_benchmark_all) {
+ int64_t t = getutime();
+ va_list va;
+ char buf[1024];
+
+ if (fmt) {
+ va_start(va, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, va);
+ va_end(va);
+ av_log(NULL, AV_LOG_INFO, "bench: %8"PRIu64" %s \n", t - current_time, buf);
+ }
+ current_time = t;
+ }
+}
+
+static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
+{
+ int i;
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost2 = output_streams[i];
+ ost2->finished |= ost == ost2 ? this_stream : others;
+ }
+}
+
+static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
+{
+ AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
+ AVCodecContext *avctx = ost->encoding_needed ? ost->enc_ctx : ost->st->codec;
+ int ret;
+
+ if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
+ ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (ost->st->codec->extradata) {
+ memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
+ ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
+ }
+ }
+
+ if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
+ (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
+ pkt->pts = pkt->dts = AV_NOPTS_VALUE;
+
+ /*
+ * Audio encoders may split the packets -- #frames in != #packets out.
+ * But there is no reordering, so we can limit the number of output packets
+ * by simply dropping them here.
+ * Counting encoded video frames needs to be done separately because of
+ * reordering, see do_video_out()
+ */
+ if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
+ if (ost->frame_number >= ost->max_frames) {
+ av_packet_unref(pkt);
+ return;
+ }
+ ost->frame_number++;
+ }
+ if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+ int i;
+ uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_STATS,
+ NULL);
+ ost->quality = sd ? AV_RL32(sd) : -1;
+ ost->pict_type = sd ? sd[4] : AV_PICTURE_TYPE_NONE;
+
+ for (i = 0; i<FF_ARRAY_ELEMS(ost->error); i++) {
+ if (sd && i < sd[5])
+ ost->error[i] = AV_RL64(sd + 8 + 8*i);
+ else
+ ost->error[i] = -1;
+ }
+
+ if (ost->frame_rate.num && ost->is_cfr) {
+ if (pkt->duration > 0)
+ av_log(NULL, AV_LOG_WARNING, "Overriding packet duration by frame rate, this should not happen\n");
+ pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
+ ost->st->time_base);
+ }
+ }
+
+ if (bsfc)
+ av_packet_split_side_data(pkt);
+
+ if ((ret = av_apply_bitstream_filters(avctx, pkt, bsfc)) < 0) {
+ print_error("", ret);
+ if (exit_on_error)
+ exit_program(1);
+ }
+ if (pkt->size == 0 && pkt->side_data_elems == 0)
+ return;
+ if (!ost->st->codecpar->extradata && avctx->extradata) {
+ ost->st->codecpar->extradata = av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!ost->st->codecpar->extradata) {
+ av_log(NULL, AV_LOG_ERROR, "Could not allocate extradata buffer to copy parser data.\n");
+ exit_program(1);
+ }
+ ost->st->codecpar->extradata_size = avctx->extradata_size;
+ memcpy(ost->st->codecpar->extradata, avctx->extradata, avctx->extradata_size);
+ }
+
+ if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
+ if (pkt->dts != AV_NOPTS_VALUE &&
+ pkt->pts != AV_NOPTS_VALUE &&
+ pkt->dts > pkt->pts) {
+ av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
+ pkt->dts, pkt->pts,
+ ost->file_index, ost->st->index);
+ pkt->pts =
+ pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
+ - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
+ - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
+ }
+ if(
+ (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
+ pkt->dts != AV_NOPTS_VALUE &&
+ !(avctx->codec_id == AV_CODEC_ID_VP9 && ost->stream_copy) &&
+ ost->last_mux_dts != AV_NOPTS_VALUE) {
+ int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
+ if (pkt->dts < max) {
+ int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
+ av_log(s, loglevel, "Non-monotonous DTS in output stream "
+ "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
+ ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
+ if (exit_on_error) {
+ av_log(NULL, AV_LOG_FATAL, "aborting.\n");
+ exit_program(1);
+ }
+ av_log(s, loglevel, "changing to %"PRId64". This may result "
+ "in incorrect timestamps in the output file.\n",
+ max);
+ if(pkt->pts >= pkt->dts)
+ pkt->pts = FFMAX(pkt->pts, max);
+ pkt->dts = max;
+ }
+ }
+ }
+ ost->last_mux_dts = pkt->dts;
+
+ ost->data_size += pkt->size;
+ ost->packets_written++;
+
+ pkt->stream_index = ost->index;
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
+ "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
+ av_get_media_type_string(ost->enc_ctx->codec_type),
+ av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
+ av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
+ pkt->size
+ );
+ }
+
+ ret = av_interleaved_write_frame(s, pkt);
+ if (ret < 0) {
+ print_error("av_interleaved_write_frame()", ret);
+ main_return_code = 1;
+ close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
+ }
+ av_packet_unref(pkt);
+}
+
+static void close_output_stream(OutputStream *ost)
+{
+ OutputFile *of = output_files[ost->file_index];
+
+ ost->finished |= ENCODER_FINISHED;
+ if (of->shortest) {
+ int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
+ of->recording_time = FFMIN(of->recording_time, end);
+ }
+}
+
+static int check_recording_time(OutputStream *ost)
+{
+ OutputFile *of = output_files[ost->file_index];
+
+ if (of->recording_time != INT64_MAX &&
+ av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
+ AV_TIME_BASE_Q) >= 0) {
+ close_output_stream(ost);
+ return 0;
+ }
+ return 1;
+}
+
+static void do_audio_out(AVFormatContext *s, OutputStream *ost,
+ AVFrame *frame)
+{
+ AVCodecContext *enc = ost->enc_ctx;
+ AVPacket pkt;
+ int got_packet = 0;
+
+ av_init_packet(&pkt);
+ pkt.data = NULL;
+ pkt.size = 0;
+
+ if (!check_recording_time(ost))
+ return;
+
+ if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
+ frame->pts = ost->sync_opts;
+ ost->sync_opts = frame->pts + frame->nb_samples;
+ ost->samples_encoded += frame->nb_samples;
+ ost->frames_encoded++;
+
+ av_assert0(pkt.size || !pkt.data);
+ update_benchmark(NULL);
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
+ "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
+ av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
+ enc->time_base.num, enc->time_base.den);
+ }
+
+ if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
+ exit_program(1);
+ }
+ update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
+
+ if (got_packet) {
+ av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
+ "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
+ }
+
+ write_frame(s, &pkt, ost);
+ }
+}
+
+static void do_subtitle_out(AVFormatContext *s,
+ OutputStream *ost,
+ InputStream *ist,
+ AVSubtitle *sub)
+{
+ int subtitle_out_max_size = 1024 * 1024;
+ int subtitle_out_size, nb, i;
+ AVCodecContext *enc;
+ AVPacket pkt;
+ int64_t pts;
+
+ if (sub->pts == AV_NOPTS_VALUE) {
+ av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
+ if (exit_on_error)
+ exit_program(1);
+ return;
+ }
+
+ enc = ost->enc_ctx;
+
+ if (!subtitle_out) {
+ subtitle_out = av_malloc(subtitle_out_max_size);
+ if (!subtitle_out) {
+ av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
+ exit_program(1);
+ }
+ }
+
+ /* Note: DVB subtitle need one packet to draw them and one other
+ packet to clear them */
+ /* XXX: signal it in the codec context ? */
+ if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
+ nb = 2;
+ else
+ nb = 1;
+
+ /* shift timestamp to honor -ss and make check_recording_time() work with -t */
+ pts = sub->pts;
+ if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
+ pts -= output_files[ost->file_index]->start_time;
+ for (i = 0; i < nb; i++) {
+ unsigned save_num_rects = sub->num_rects;
+
+ ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
+ if (!check_recording_time(ost))
+ return;
+
+ sub->pts = pts;
+ // start_display_time is required to be 0
+ sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
+ sub->end_display_time -= sub->start_display_time;
+ sub->start_display_time = 0;
+ if (i == 1)
+ sub->num_rects = 0;
+
+ ost->frames_encoded++;
+
+ subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
+ subtitle_out_max_size, sub);
+ if (i == 1)
+ sub->num_rects = save_num_rects;
+ if (subtitle_out_size < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
+ exit_program(1);
+ }
+
+ av_init_packet(&pkt);
+ pkt.data = subtitle_out;
+ pkt.size = subtitle_out_size;
+ pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
+ pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
+ if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
+ /* XXX: the pts correction is handled here. Maybe handling
+ it in the codec would be better */
+ if (i == 0)
+ pkt.pts += 90 * sub->start_display_time;
+ else
+ pkt.pts += 90 * sub->end_display_time;
+ }
+ pkt.dts = pkt.pts;
+ write_frame(s, &pkt, ost);
+ }
+}
+
+static void do_video_out(AVFormatContext *s,
+ OutputStream *ost,
+ AVFrame *next_picture,
+ double sync_ipts)
+{
+ int ret, format_video_sync;
+ AVPacket pkt;
+ AVCodecContext *enc = ost->enc_ctx;
+ AVCodecContext *mux_enc = ost->st->codec;
+ int nb_frames, nb0_frames, i;
+ double delta, delta0;
+ double duration = 0;
+ int frame_size = 0;
+ InputStream *ist = NULL;
+ AVFilterContext *filter = ost->filter->filter;
+
+ if (ost->source_index >= 0)
+ ist = input_streams[ost->source_index];
+
+ if (filter->inputs[0]->frame_rate.num > 0 &&
+ filter->inputs[0]->frame_rate.den > 0)
+ duration = 1/(av_q2d(filter->inputs[0]->frame_rate) * av_q2d(enc->time_base));
+
+ if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
+ duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
+
+ if (!ost->filters_script &&
+ !ost->filters &&
+ next_picture &&
+ ist &&
+ lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
+ duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
+ }
+
+ if (!next_picture) {
+ //end, flushing
+ nb0_frames = nb_frames = mid_pred(ost->last_nb0_frames[0],
+ ost->last_nb0_frames[1],
+ ost->last_nb0_frames[2]);
+ } else {
+ delta0 = sync_ipts - ost->sync_opts; // delta0 is the "drift" between the input frame (next_picture) and where it would fall in the output.
+ delta = delta0 + duration;
+
+ /* by default, we output a single frame */
+ nb0_frames = 0; // tracks the number of times the PREVIOUS frame should be duplicated, mostly for variable framerate (VFR)
+ nb_frames = 1;
+
+ format_video_sync = video_sync_method;
+ if (format_video_sync == VSYNC_AUTO) {
+ if(!strcmp(s->oformat->name, "avi")) {
+ format_video_sync = VSYNC_VFR;
+ } else
+ format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
+ if ( ist
+ && format_video_sync == VSYNC_CFR
+ && input_files[ist->file_index]->ctx->nb_streams == 1
+ && input_files[ist->file_index]->input_ts_offset == 0) {
+ format_video_sync = VSYNC_VSCFR;
+ }
+ if (format_video_sync == VSYNC_CFR && copy_ts) {
+ format_video_sync = VSYNC_VSCFR;
+ }
+ }
+ ost->is_cfr = (format_video_sync == VSYNC_CFR || format_video_sync == VSYNC_VSCFR);
+
+ if (delta0 < 0 &&
+ delta > 0 &&
+ format_video_sync != VSYNC_PASSTHROUGH &&
+ format_video_sync != VSYNC_DROP) {
+ if (delta0 < -0.6) {
+ av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
+ } else
+ av_log(NULL, AV_LOG_DEBUG, "Clipping frame in rate conversion by %f\n", -delta0);
+ sync_ipts = ost->sync_opts;
+ duration += delta0;
+ delta0 = 0;
+ }
+
+ switch (format_video_sync) {
+ case VSYNC_VSCFR:
+ if (ost->frame_number == 0 && delta0 >= 0.5) {
+ av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta0));
+ delta = duration;
+ delta0 = 0;
+ ost->sync_opts = lrint(sync_ipts);
+ }
+ case VSYNC_CFR:
+ // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
+ if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
+ nb_frames = 0;
+ } else if (delta < -1.1)
+ nb_frames = 0;
+ else if (delta > 1.1) {
+ nb_frames = lrintf(delta);
+ if (delta0 > 1.1)
+ nb0_frames = lrintf(delta0 - 0.6);
+ }
+ break;
+ case VSYNC_VFR:
+ if (delta <= -0.6)
+ nb_frames = 0;
+ else if (delta > 0.6)
+ ost->sync_opts = lrint(sync_ipts);
+ break;
+ case VSYNC_DROP:
+ case VSYNC_PASSTHROUGH:
+ ost->sync_opts = lrint(sync_ipts);
+ break;
+ default:
+ av_assert0(0);
+ }
+ }
+
+ nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
+ nb0_frames = FFMIN(nb0_frames, nb_frames);
+
+ memmove(ost->last_nb0_frames + 1,
+ ost->last_nb0_frames,
+ sizeof(ost->last_nb0_frames[0]) * (FF_ARRAY_ELEMS(ost->last_nb0_frames) - 1));
+ ost->last_nb0_frames[0] = nb0_frames;
+
+ if (nb0_frames == 0 && ost->last_dropped) {
+ nb_frames_drop++;
+ av_log(NULL, AV_LOG_VERBOSE,
+ "*** dropping frame %d from stream %d at ts %"PRId64"\n",
+ ost->frame_number, ost->st->index, ost->last_frame->pts);
+ }
+ if (nb_frames > (nb0_frames && ost->last_dropped) + (nb_frames > nb0_frames)) {
+ if (nb_frames > dts_error_threshold * 30) {
+ av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
+ nb_frames_drop++;
+ return;
+ }
+ nb_frames_dup += nb_frames - (nb0_frames && ost->last_dropped) - (nb_frames > nb0_frames);
+ av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
+ }
+ ost->last_dropped = nb_frames == nb0_frames && next_picture;
+
+ /* duplicates frame if needed */
+ for (i = 0; i < nb_frames; i++) {
+ AVFrame *in_picture;
+ av_init_packet(&pkt);
+ pkt.data = NULL;
+ pkt.size = 0;
+
+ if (i < nb0_frames && ost->last_frame) {
+ in_picture = ost->last_frame;
+ } else
+ in_picture = next_picture;
+
+ if (!in_picture)
+ return;
+
+ in_picture->pts = ost->sync_opts;
+
+#if 1
+ if (!check_recording_time(ost))
+#else
+ if (ost->frame_number >= ost->max_frames)
+#endif
+ return;
+
+#if FF_API_LAVF_FMT_RAWPICTURE
+ if (s->oformat->flags & AVFMT_RAWPICTURE &&
+ enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
+ /* raw pictures are written as AVPicture structure to
+ avoid any copies. We support temporarily the older
+ method. */
+ if (in_picture->interlaced_frame)
+ mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
+ else
+ mux_enc->field_order = AV_FIELD_PROGRESSIVE;
+ pkt.data = (uint8_t *)in_picture;
+ pkt.size = sizeof(AVPicture);
+ pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
+ pkt.flags |= AV_PKT_FLAG_KEY;
+
+ write_frame(s, &pkt, ost);
+ } else
+#endif
+ {
+ int got_packet, forced_keyframe = 0;
+ double pts_time;
+
+ if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
+ ost->top_field_first >= 0)
+ in_picture->top_field_first = !!ost->top_field_first;
+
+ if (in_picture->interlaced_frame) {
+ if (enc->codec->id == AV_CODEC_ID_MJPEG)
+ mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
+ else
+ mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
+ } else
+ mux_enc->field_order = AV_FIELD_PROGRESSIVE;
+
+ in_picture->quality = enc->global_quality;
+ in_picture->pict_type = 0;
+
+ pts_time = in_picture->pts != AV_NOPTS_VALUE ?
+ in_picture->pts * av_q2d(enc->time_base) : NAN;
+ if (ost->forced_kf_index < ost->forced_kf_count &&
+ in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
+ ost->forced_kf_index++;
+ forced_keyframe = 1;
+ } else if (ost->forced_keyframes_pexpr) {
+ double res;
+ ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
+ res = av_expr_eval(ost->forced_keyframes_pexpr,
+ ost->forced_keyframes_expr_const_values, NULL);
+ ff_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
+ ost->forced_keyframes_expr_const_values[FKF_N],
+ ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
+ ost->forced_keyframes_expr_const_values[FKF_T],
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
+ res);
+ if (res) {
+ forced_keyframe = 1;
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
+ ost->forced_keyframes_expr_const_values[FKF_N];
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
+ ost->forced_keyframes_expr_const_values[FKF_T];
+ ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
+ }
+
+ ost->forced_keyframes_expr_const_values[FKF_N] += 1;
+ } else if ( ost->forced_keyframes
+ && !strncmp(ost->forced_keyframes, "source", 6)
+ && in_picture->key_frame==1) {
+ forced_keyframe = 1;
+ }
+
+ if (forced_keyframe) {
+ in_picture->pict_type = AV_PICTURE_TYPE_I;
+ av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
+ }
+
+ update_benchmark(NULL);
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
+ "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
+ av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
+ enc->time_base.num, enc->time_base.den);
+ }
+
+ ost->frames_encoded++;
+
+ ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
+ update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
+ exit_program(1);
+ }
+
+ if (got_packet) {
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
+ "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
+ }
+
+ if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & AV_CODEC_CAP_DELAY))
+ pkt.pts = ost->sync_opts;
+
+ av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
+ "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
+ }
+
+ frame_size = pkt.size;
+ write_frame(s, &pkt, ost);
+
+ /* if two pass, output log */
+ if (ost->logfile && enc->stats_out) {
+ fprintf(ost->logfile, "%s", enc->stats_out);
+ }
+ }
+ }
+ ost->sync_opts++;
+ /*
+ * For video, number of frames in == number of packets out.
+ * But there may be reordering, so we can't throw away frames on encoder
+ * flush, we need to limit them here, before they go into encoder.
+ */
+ ost->frame_number++;
+
+ if (vstats_filename && frame_size)
+ do_video_stats(ost, frame_size);
+ }
+
+ if (!ost->last_frame)
+ ost->last_frame = av_frame_alloc();
+ av_frame_unref(ost->last_frame);
+ if (next_picture && ost->last_frame)
+ av_frame_ref(ost->last_frame, next_picture);
+ else
+ av_frame_free(&ost->last_frame);
+}
+
+static double psnr(double d)
+{
+ return -10.0 * log10(d);
+}
+
+static void do_video_stats(OutputStream *ost, int frame_size)
+{
+ AVCodecContext *enc;
+ int frame_number;
+ double ti1, bitrate, avg_bitrate;
+
+ /* this is executed just the first time do_video_stats is called */
+ if (!vstats_file) {
+ vstats_file = fopen(vstats_filename, "w");
+ if (!vstats_file) {
+ perror("fopen");
+ exit_program(1);
+ }
+ }
+
+ enc = ost->enc_ctx;
+ if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ frame_number = ost->st->nb_frames;
+ fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
+ ost->quality / (float)FF_QP2LAMBDA);
+
+ if (ost->error[0]>=0 && (enc->flags & AV_CODEC_FLAG_PSNR))
+ fprintf(vstats_file, "PSNR= %6.2f ", psnr(ost->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
+
+ fprintf(vstats_file,"f_size= %6d ", frame_size);
+ /* compute pts value */
+ ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
+ if (ti1 < 0.01)
+ ti1 = 0.01;
+
+ bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
+ avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
+ fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
+ (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
+ fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(ost->pict_type));
+ }
+}
+
+static void finish_output_stream(OutputStream *ost)
+{
+ OutputFile *of = output_files[ost->file_index];
+ int i;
+
+ ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
+
+ if (of->shortest) {
+ for (i = 0; i < of->ctx->nb_streams; i++)
+ output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
+ }
+}
+
+/**
+ * Get and encode new output from any of the filtergraphs, without causing
+ * activity.
+ *
+ * @return 0 for success, <0 for severe errors
+ */
+static int reap_filters(int flush)
+{
+ AVFrame *filtered_frame = NULL;
+ int i;
+
+ /* Reap all buffers present in the buffer sinks */
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ OutputFile *of = output_files[ost->file_index];
+ AVFilterContext *filter;
+ AVCodecContext *enc = ost->enc_ctx;
+ int ret = 0;
+
+ if (!ost->filter)
+ continue;
+ filter = ost->filter->filter;
+
+ if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
+ return AVERROR(ENOMEM);
+ }
+ filtered_frame = ost->filtered_frame;
+
+ while (1) {
+ double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
+ ret = av_buffersink_get_frame_flags(filter, filtered_frame,
+ AV_BUFFERSINK_FLAG_NO_REQUEST);
+ if (ret < 0) {
+ if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
+ av_log(NULL, AV_LOG_WARNING,
+ "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
+ } else if (flush && ret == AVERROR_EOF) {
+ if (filter->inputs[0]->type == AVMEDIA_TYPE_VIDEO)
+ do_video_out(of->ctx, ost, NULL, AV_NOPTS_VALUE);
+ }
+ break;
+ }
+ if (ost->finished) {
+ av_frame_unref(filtered_frame);
+ continue;
+ }
+ if (filtered_frame->pts != AV_NOPTS_VALUE) {
+ int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
+ AVRational tb = enc->time_base;
+ int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
+
+ tb.den <<= extra_bits;
+ float_pts =
+ av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, tb) -
+ av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
+ float_pts /= 1 << extra_bits;
+ // avoid exact midoints to reduce the chance of rounding differences, this can be removed in case the fps code is changed to work with integers
+ float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
+
+ filtered_frame->pts =
+ av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
+ av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
+ }
+ //if (ost->source_index >= 0)
+ // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
+
+ switch (filter->inputs[0]->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ if (!ost->frame_aspect_ratio.num)
+ enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
+ av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
+ float_pts,
+ enc->time_base.num, enc->time_base.den);
+ }
+
+ do_video_out(of->ctx, ost, filtered_frame, float_pts);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ if (!(enc->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE) &&
+ enc->channels != av_frame_get_channels(filtered_frame)) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
+ break;
+ }
+ do_audio_out(of->ctx, ost, filtered_frame);
+ break;
+ default:
+ // TODO support subtitle filters
+ av_assert0(0);
+ }
+
+ av_frame_unref(filtered_frame);
+ }
+ }
+
+ return 0;
+}
+
+static void print_final_stats(int64_t total_size)
+{
+ uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
+ uint64_t subtitle_size = 0;
+ uint64_t data_size = 0;
+ float percent = -1.0;
+ int i, j;
+ int pass1_used = 1;
+
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ switch (ost->enc_ctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
+ case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
+ case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
+ default: other_size += ost->data_size; break;
+ }
+ extra_size += ost->enc_ctx->extradata_size;
+ data_size += ost->data_size;
+ if ( (ost->enc_ctx->flags & (AV_CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))
+ != AV_CODEC_FLAG_PASS1)
+ pass1_used = 0;
+ }
+
+ if (data_size && total_size>0 && total_size >= data_size)
+ percent = 100.0 * (total_size - data_size) / data_size;
+
+ av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
+ video_size / 1024.0,
+ audio_size / 1024.0,
+ subtitle_size / 1024.0,
+ other_size / 1024.0,
+ extra_size / 1024.0);
+ if (percent >= 0.0)
+ av_log(NULL, AV_LOG_INFO, "%f%%", percent);
+ else
+ av_log(NULL, AV_LOG_INFO, "unknown");
+ av_log(NULL, AV_LOG_INFO, "\n");
+
+ /* print verbose per-stream stats */
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *f = input_files[i];
+ uint64_t total_packets = 0, total_size = 0;
+
+ av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
+ i, f->ctx->filename);
+
+ for (j = 0; j < f->nb_streams; j++) {
+ InputStream *ist = input_streams[f->ist_index + j];
+ enum AVMediaType type = ist->dec_ctx->codec_type;
+
+ total_size += ist->data_size;
+ total_packets += ist->nb_packets;
+
+ av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
+ i, j, media_type_string(type));
+ av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
+ ist->nb_packets, ist->data_size);
+
+ if (ist->decoding_needed) {
+ av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
+ ist->frames_decoded);
+ if (type == AVMEDIA_TYPE_AUDIO)
+ av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
+ av_log(NULL, AV_LOG_VERBOSE, "; ");
+ }
+
+ av_log(NULL, AV_LOG_VERBOSE, "\n");
+ }
+
+ av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
+ total_packets, total_size);
+ }
+
+ for (i = 0; i < nb_output_files; i++) {
+ OutputFile *of = output_files[i];
+ uint64_t total_packets = 0, total_size = 0;
+
+ av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
+ i, of->ctx->filename);
+
+ for (j = 0; j < of->ctx->nb_streams; j++) {
+ OutputStream *ost = output_streams[of->ost_index + j];
+ enum AVMediaType type = ost->enc_ctx->codec_type;
+
+ total_size += ost->data_size;
+ total_packets += ost->packets_written;
+
+ av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
+ i, j, media_type_string(type));
+ if (ost->encoding_needed) {
+ av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
+ ost->frames_encoded);
+ if (type == AVMEDIA_TYPE_AUDIO)
+ av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
+ av_log(NULL, AV_LOG_VERBOSE, "; ");
+ }
+
+ av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
+ ost->packets_written, ost->data_size);
+
+ av_log(NULL, AV_LOG_VERBOSE, "\n");
+ }
+
+ av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
+ total_packets, total_size);
+ }
+ if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
+ av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded ");
+ if (pass1_used) {
+ av_log(NULL, AV_LOG_WARNING, "\n");
+ } else {
+ av_log(NULL, AV_LOG_WARNING, "(check -ss / -t / -frames parameters if used)\n");
+ }
+ }
+}
+
+static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
+{
+ char buf[1024];
+ AVBPrint buf_script;
+ OutputStream *ost;
+ AVFormatContext *oc;
+ int64_t total_size;
+ AVCodecContext *enc;
+ int frame_number, vid, i;
+ double bitrate;
+ double speed;
+ int64_t pts = INT64_MIN + 1;
+ static int64_t last_time = -1;
+ static int qp_histogram[52];
+ int hours, mins, secs, us;
+ int ret;
+ float t;
+
+ if (!print_stats && !is_last_report && !progress_avio)
+ return;
+
+ if (!is_last_report) {
+ if (last_time == -1) {
+ last_time = cur_time;
+ return;
+ }
+ if ((cur_time - last_time) < 500000)
+ return;
+ last_time = cur_time;
+ }
+
+ t = (cur_time-timer_start) / 1000000.0;
+
+
+ oc = output_files[0]->ctx;
+
+ total_size = avio_size(oc->pb);
+ if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
+ total_size = avio_tell(oc->pb);
+
+ buf[0] = '\0';
+ vid = 0;
+ av_bprint_init(&buf_script, 0, 1);
+ for (i = 0; i < nb_output_streams; i++) {
+ float q = -1;
+ ost = output_streams[i];
+ enc = ost->enc_ctx;
+ if (!ost->stream_copy)
+ q = ost->quality / (float) FF_QP2LAMBDA;
+
+ if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
+ av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
+ ost->file_index, ost->index, q);
+ }
+ if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ float fps;
+
+ frame_number = ost->frame_number;
+ fps = t > 1 ? frame_number / t : 0;
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
+ frame_number, fps < 9.95, fps, q);
+ av_bprintf(&buf_script, "frame=%d\n", frame_number);
+ av_bprintf(&buf_script, "fps=%.1f\n", fps);
+ av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
+ ost->file_index, ost->index, q);
+ if (is_last_report)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
+ if (qp_hist) {
+ int j;
+ int qp = lrintf(q);
+ if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
+ qp_histogram[qp]++;
+ for (j = 0; j < 32; j++)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", av_log2(qp_histogram[j] + 1));
+ }
+
+ if ((enc->flags & AV_CODEC_FLAG_PSNR) && (ost->pict_type != AV_PICTURE_TYPE_NONE || is_last_report)) {
+ int j;
+ double error, error_sum = 0;
+ double scale, scale_sum = 0;
+ double p;
+ char type[3] = { 'Y','U','V' };
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
+ for (j = 0; j < 3; j++) {
+ if (is_last_report) {
+ error = enc->error[j];
+ scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
+ } else {
+ error = ost->error[j];
+ scale = enc->width * enc->height * 255.0 * 255.0;
+ }
+ if (j)
+ scale /= 4;
+ error_sum += error;
+ scale_sum += scale;
+ p = psnr(error / scale);
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
+ av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
+ ost->file_index, ost->index, type[j] | 32, p);
+ }
+ p = psnr(error_sum / scale_sum);
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
+ av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
+ ost->file_index, ost->index, p);
+ }
+ vid = 1;
+ }
+ /* compute min output value */
+ if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
+ pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
+ ost->st->time_base, AV_TIME_BASE_Q));
+ if (is_last_report)
+ nb_frames_drop += ost->last_dropped;
+ }
+
+ secs = FFABS(pts) / AV_TIME_BASE;
+ us = FFABS(pts) % AV_TIME_BASE;
+ mins = secs / 60;
+ secs %= 60;
+ hours = mins / 60;
+ mins %= 60;
+
+ bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
+ speed = t != 0.0 ? (double)pts / AV_TIME_BASE / t : -1;
+
+ if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "size=N/A time=");
+ else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "size=%8.0fkB time=", total_size / 1024.0);
+ if (pts < 0)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "-");
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ "%02d:%02d:%02d.%02d ", hours, mins, secs,
+ (100 * us) / AV_TIME_BASE);
+
+ if (bitrate < 0) {
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
+ av_bprintf(&buf_script, "bitrate=N/A\n");
+ }else{
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
+ av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
+ }
+
+ if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
+ else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
+ av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
+ av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
+ hours, mins, secs, us);
+
+ if (nb_frames_dup || nb_frames_drop)
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
+ nb_frames_dup, nb_frames_drop);
+ av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
+ av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
+
+ if (speed < 0) {
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf)," speed=N/A");
+ av_bprintf(&buf_script, "speed=N/A\n");
+ } else {
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf)," speed=%4.3gx", speed);
+ av_bprintf(&buf_script, "speed=%4.3gx\n", speed);
+ }
+
+ if (print_stats || is_last_report) {
+ const char end = is_last_report ? '\n' : '\r';
+ if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
+ fprintf(stderr, "%s %c", buf, end);
+ } else
+ av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
+
+ fflush(stderr);
+ }
+
+ if (progress_avio) {
+ av_bprintf(&buf_script, "progress=%s\n",
+ is_last_report ? "end" : "continue");
+ avio_write(progress_avio, buf_script.str,
+ FFMIN(buf_script.len, buf_script.size - 1));
+ avio_flush(progress_avio);
+ av_bprint_finalize(&buf_script, NULL);
+ if (is_last_report) {
+ if ((ret = avio_closep(&progress_avio)) < 0)
+ av_log(NULL, AV_LOG_ERROR,
+ "Error closing progress log, loss of information possible: %s\n", av_err2str(ret));
+ }
+ }
+
+ if (is_last_report)
+ print_final_stats(total_size);
+}
+
+static void flush_encoders(void)
+{
+ int i, ret;
+
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ AVCodecContext *enc = ost->enc_ctx;
+ AVFormatContext *os = output_files[ost->file_index]->ctx;
+ int stop_encoding = 0;
+
+ if (!ost->encoding_needed)
+ continue;
+
+ if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
+ continue;
+#if FF_API_LAVF_FMT_RAWPICTURE
+ if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
+ continue;
+#endif
+
+ for (;;) {
+ int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
+ const char *desc;
+
+ switch (enc->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ encode = avcodec_encode_audio2;
+ desc = "audio";
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ encode = avcodec_encode_video2;
+ desc = "video";
+ break;
+ default:
+ stop_encoding = 1;
+ }
+
+ if (encode) {
+ AVPacket pkt;
+ int pkt_size;
+ int got_packet;
+ av_init_packet(&pkt);
+ pkt.data = NULL;
+ pkt.size = 0;
+
+ update_benchmark(NULL);
+ ret = encode(enc, &pkt, NULL, &got_packet);
+ update_benchmark("flush_%s %d.%d", desc, ost->file_index, ost->index);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "%s encoding failed: %s\n",
+ desc,
+ av_err2str(ret));
+ exit_program(1);
+ }
+ if (ost->logfile && enc->stats_out) {
+ fprintf(ost->logfile, "%s", enc->stats_out);
+ }
+ if (!got_packet) {
+ stop_encoding = 1;
+ break;
+ }
+ if (ost->finished & MUXER_FINISHED) {
+ av_packet_unref(&pkt);
+ continue;
+ }
+ av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
+ pkt_size = pkt.size;
+ write_frame(os, &pkt, ost);
+ if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
+ do_video_stats(ost, pkt_size);
+ }
+ }
+
+ if (stop_encoding)
+ break;
+ }
+ }
+}
+
+/*
+ * Check whether a packet from ist should be written into ost at this time
+ */
+static int check_output_constraints(InputStream *ist, OutputStream *ost)
+{
+ OutputFile *of = output_files[ost->file_index];
+ int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
+
+ if (ost->source_index != ist_index)
+ return 0;
+
+ if (ost->finished)
+ return 0;
+
+ if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
+ return 0;
+
+ return 1;
+}
+
+static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
+{
+ OutputFile *of = output_files[ost->file_index];
+ InputFile *f = input_files [ist->file_index];
+ int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
+ int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
+ AVPicture pict;
+ AVPacket opkt;
+
+ av_init_packet(&opkt);
+
+ if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
+ !ost->copy_initial_nonkeyframes)
+ return;
+
+ if (!ost->frame_number && !ost->copy_prior_start) {
+ int64_t comp_start = start_time;
+ if (copy_ts && f->start_time != AV_NOPTS_VALUE)
+ comp_start = FFMAX(start_time, f->start_time + f->ts_offset);
+ if (pkt->pts == AV_NOPTS_VALUE ?
+ ist->pts < comp_start :
+ pkt->pts < av_rescale_q(comp_start, AV_TIME_BASE_Q, ist->st->time_base))
+ return;
+ }
+
+ if (of->recording_time != INT64_MAX &&
+ ist->pts >= of->recording_time + start_time) {
+ close_output_stream(ost);
+ return;
+ }
+
+ if (f->recording_time != INT64_MAX) {
+ start_time = f->ctx->start_time;
+ if (f->start_time != AV_NOPTS_VALUE && copy_ts)
+ start_time += f->start_time;
+ if (ist->pts >= f->recording_time + start_time) {
+ close_output_stream(ost);
+ return;
+ }
+ }
+
+ /* force the input stream PTS */
+ if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
+ ost->sync_opts++;
+
+ if (pkt->pts != AV_NOPTS_VALUE)
+ opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
+ else
+ opkt.pts = AV_NOPTS_VALUE;
+
+ if (pkt->dts == AV_NOPTS_VALUE)
+ opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
+ else
+ opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
+ opkt.dts -= ost_tb_start_time;
+
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
+ int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
+ if(!duration)
+ duration = ist->dec_ctx->frame_size;
+ opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
+ (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
+ ost->st->time_base) - ost_tb_start_time;
+ }
+
+ opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
+ opkt.flags = pkt->flags;
+ // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
+ if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
+ && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
+ && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
+ && ost->st->codec->codec_id != AV_CODEC_ID_VC1
+ ) {
+ int ret = av_parser_change(ost->parser, ost->st->codec,
+ &opkt.data, &opkt.size,
+ pkt->data, pkt->size,
+ pkt->flags & AV_PKT_FLAG_KEY);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "av_parser_change failed: %s\n",
+ av_err2str(ret));
+ exit_program(1);
+ }
+ if (ret) {
+ opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
+ if (!opkt.buf)
+ exit_program(1);
+ }
+ } else {
+ opkt.data = pkt->data;
+ opkt.size = pkt->size;
+ }
+ av_copy_packet_side_data(&opkt, pkt);
+
+#if FF_API_LAVF_FMT_RAWPICTURE
+ if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
+ ost->st->codec->codec_id == AV_CODEC_ID_RAWVIDEO &&
+ (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
+ /* store AVPicture in AVPacket, as expected by the output format */
+ int ret = avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "avpicture_fill failed: %s\n",
+ av_err2str(ret));
+ exit_program(1);
+ }
+ opkt.data = (uint8_t *)&pict;
+ opkt.size = sizeof(AVPicture);
+ opkt.flags |= AV_PKT_FLAG_KEY;
+ }
+#endif
+
+ write_frame(of->ctx, &opkt, ost);
+}
+
+int guess_input_channel_layout(InputStream *ist)
+{
+ AVCodecContext *dec = ist->dec_ctx;
+
+ if (!dec->channel_layout) {
+ char layout_name[256];
+
+ if (dec->channels > ist->guess_layout_max)
+ return 0;
+ dec->channel_layout = av_get_default_channel_layout(dec->channels);
+ if (!dec->channel_layout)
+ return 0;
+ av_get_channel_layout_string(layout_name, sizeof(layout_name),
+ dec->channels, dec->channel_layout);
+ av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
+ "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
+ }
+ return 1;
+}
+
+static void check_decode_result(InputStream *ist, int *got_output, int ret)
+{
+ if (*got_output || ret<0)
+ decode_error_stat[ret<0] ++;
+
+ if (ret < 0 && exit_on_error)
+ exit_program(1);
+
+ if (exit_on_error && *got_output && ist) {
+ if (av_frame_get_decode_error_flags(ist->decoded_frame) || (ist->decoded_frame->flags & AV_FRAME_FLAG_CORRUPT)) {
+ av_log(NULL, AV_LOG_FATAL, "%s: corrupt decoded frame in stream %d\n", input_files[ist->file_index]->ctx->filename, ist->st->index);
+ exit_program(1);
+ }
+ }
+}
+
+static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
+{
+ AVFrame *decoded_frame, *f;
+ AVCodecContext *avctx = ist->dec_ctx;
+ int i, ret, err = 0, resample_changed;
+ AVRational decoded_frame_tb;
+
+ if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
+ return AVERROR(ENOMEM);
+ if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
+ return AVERROR(ENOMEM);
+ decoded_frame = ist->decoded_frame;
+
+ update_benchmark(NULL);
+ ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
+ update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
+
+ if (ret >= 0 && avctx->sample_rate <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
+ ret = AVERROR_INVALIDDATA;
+ }
+
+ check_decode_result(ist, got_output, ret);
+
+ if (!*got_output || ret < 0)
+ return ret;
+
+ ist->samples_decoded += decoded_frame->nb_samples;
+ ist->frames_decoded++;
+
+#if 1
+ /* increment next_dts to use for the case where the input stream does not
+ have timestamps or there are multiple frames in the packet */
+ ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
+ avctx->sample_rate;
+ ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
+ avctx->sample_rate;
+#endif
+
+ resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
+ ist->resample_channels != avctx->channels ||
+ ist->resample_channel_layout != decoded_frame->channel_layout ||
+ ist->resample_sample_rate != decoded_frame->sample_rate;
+ if (resample_changed) {
+ char layout1[64], layout2[64];
+
+ if (!guess_input_channel_layout(ist)) {
+ av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
+ "layout for Input Stream #%d.%d\n", ist->file_index,
+ ist->st->index);
+ exit_program(1);
+ }
+ decoded_frame->channel_layout = avctx->channel_layout;
+
+ av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
+ ist->resample_channel_layout);
+ av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
+ decoded_frame->channel_layout);
+
+ av_log(NULL, AV_LOG_INFO,
+ "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
+ ist->file_index, ist->st->index,
+ ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
+ ist->resample_channels, layout1,
+ decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
+ avctx->channels, layout2);
+
+ ist->resample_sample_fmt = decoded_frame->format;
+ ist->resample_sample_rate = decoded_frame->sample_rate;
+ ist->resample_channel_layout = decoded_frame->channel_layout;
+ ist->resample_channels = avctx->channels;
+
+ for (i = 0; i < nb_filtergraphs; i++)
+ if (ist_in_filtergraph(filtergraphs[i], ist)) {
+ FilterGraph *fg = filtergraphs[i];
+ if (configure_filtergraph(fg) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
+ exit_program(1);
+ }
+ }
+ }
+
+ /* if the decoder provides a pts, use it instead of the last packet pts.
+ the decoder could be delaying output by a packet or more. */
+ if (decoded_frame->pts != AV_NOPTS_VALUE) {
+ ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
+ decoded_frame_tb = avctx->time_base;
+ } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
+ decoded_frame->pts = decoded_frame->pkt_pts;
+ decoded_frame_tb = ist->st->time_base;
+ } else if (pkt->pts != AV_NOPTS_VALUE) {
+ decoded_frame->pts = pkt->pts;
+ decoded_frame_tb = ist->st->time_base;
+ }else {
+ decoded_frame->pts = ist->dts;
+ decoded_frame_tb = AV_TIME_BASE_Q;
+ }
+ pkt->pts = AV_NOPTS_VALUE;
+ if (decoded_frame->pts != AV_NOPTS_VALUE)
+ decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
+ (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
+ (AVRational){1, avctx->sample_rate});
+ ist->nb_samples = decoded_frame->nb_samples;
+ for (i = 0; i < ist->nb_filters; i++) {
+ if (i < ist->nb_filters - 1) {
+ f = ist->filter_frame;
+ err = av_frame_ref(f, decoded_frame);
+ if (err < 0)
+ break;
+ } else
+ f = decoded_frame;
+ err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
+ AV_BUFFERSRC_FLAG_PUSH);
+ if (err == AVERROR_EOF)
+ err = 0; /* ignore */
+ if (err < 0)
+ break;
+ }
+ decoded_frame->pts = AV_NOPTS_VALUE;
+
+ av_frame_unref(ist->filter_frame);
+ av_frame_unref(decoded_frame);
+ return err < 0 ? err : ret;
+}
+
+static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
+{
+ AVFrame *decoded_frame, *f;
+ int i, ret = 0, err = 0, resample_changed;
+ int64_t best_effort_timestamp;
+ AVRational *frame_sample_aspect;
+
+ if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
+ return AVERROR(ENOMEM);
+ if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
+ return AVERROR(ENOMEM);
+ decoded_frame = ist->decoded_frame;
+ pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
+
+ update_benchmark(NULL);
+ ret = avcodec_decode_video2(ist->dec_ctx,
+ decoded_frame, got_output, pkt);
+ update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
+
+ // The following line may be required in some cases where there is no parser
+ // or the parser does not has_b_frames correctly
+ if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
+ if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
+ ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
+ } else
+ av_log(ist->dec_ctx, AV_LOG_WARNING,
+ "has_b_frames is larger in decoder than demuxer %d > %d.\n"
+ "If you want to help, upload a sample "
+ "of this file to ftp://upload.ffmpeg.org/incoming/ "
+ "and contact the ffmpeg-devel mailing list. (ffmpeg-devel at ffmpeg.org)",
+ ist->dec_ctx->has_b_frames,
+ ist->st->codec->has_b_frames);
+ }
+
+ check_decode_result(ist, got_output, ret);
+
+ if (*got_output && ret >= 0) {
+ if (ist->dec_ctx->width != decoded_frame->width ||
+ ist->dec_ctx->height != decoded_frame->height ||
+ ist->dec_ctx->pix_fmt != decoded_frame->format) {
+ av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
+ decoded_frame->width,
+ decoded_frame->height,
+ decoded_frame->format,
+ ist->dec_ctx->width,
+ ist->dec_ctx->height,
+ ist->dec_ctx->pix_fmt);
+ }
+ }
+
+ if (!*got_output || ret < 0)
+ return ret;
+
+ if(ist->top_field_first>=0)
+ decoded_frame->top_field_first = ist->top_field_first;
+
+ ist->frames_decoded++;
+
+ if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
+ err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
+ if (err < 0)
+ goto fail;
+ }
+ ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
+
+ best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
+ if(best_effort_timestamp != AV_NOPTS_VALUE) {
+ int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
+
+ if (ts != AV_NOPTS_VALUE)
+ ist->next_pts = ist->pts = ts;
+ }
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
+ "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n",
+ ist->st->index, av_ts2str(decoded_frame->pts),
+ av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
+ best_effort_timestamp,
+ av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
+ decoded_frame->key_frame, decoded_frame->pict_type,
+ ist->st->time_base.num, ist->st->time_base.den);
+ }
+
+ pkt->size = 0;
+
+ if (ist->st->sample_aspect_ratio.num)
+ decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
+
+ resample_changed = ist->resample_width != decoded_frame->width ||
+ ist->resample_height != decoded_frame->height ||
+ ist->resample_pix_fmt != decoded_frame->format;
+ if (resample_changed) {
+ av_log(NULL, AV_LOG_INFO,
+ "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
+ ist->file_index, ist->st->index,
+ ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
+ decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
+
+ ist->resample_width = decoded_frame->width;
+ ist->resample_height = decoded_frame->height;
+ ist->resample_pix_fmt = decoded_frame->format;
+
+ for (i = 0; i < nb_filtergraphs; i++) {
+ if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
+ configure_filtergraph(filtergraphs[i]) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
+ exit_program(1);
+ }
+ }
+ }
+
+ frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
+ for (i = 0; i < ist->nb_filters; i++) {
+ if (!frame_sample_aspect->num)
+ *frame_sample_aspect = ist->st->sample_aspect_ratio;
+
+ if (i < ist->nb_filters - 1) {
+ f = ist->filter_frame;
+ err = av_frame_ref(f, decoded_frame);
+ if (err < 0)
+ break;
+ } else
+ f = decoded_frame;
+ ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
+ if (ret == AVERROR_EOF) {
+ ret = 0; /* ignore */
+ } else if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Failed to inject frame into filter network: %s\n", av_err2str(ret));
+ exit_program(1);
+ }
+ }
+
+fail:
+ av_frame_unref(ist->filter_frame);
+ av_frame_unref(decoded_frame);
+ return err < 0 ? err : ret;
+}
+
+static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
+{
+ AVSubtitle subtitle;
+ int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
+ &subtitle, got_output, pkt);
+
+ check_decode_result(NULL, got_output, ret);
+
+ if (ret < 0 || !*got_output) {
+ if (!pkt->size)
+ sub2video_flush(ist);
+ return ret;
+ }
+
+ if (ist->fix_sub_duration) {
+ int end = 1;
+ if (ist->prev_sub.got_output) {
+ end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
+ 1000, AV_TIME_BASE);
+ if (end < ist->prev_sub.subtitle.end_display_time) {
+ av_log(ist->dec_ctx, AV_LOG_DEBUG,
+ "Subtitle duration reduced from %d to %d%s\n",
+ ist->prev_sub.subtitle.end_display_time, end,
+ end <= 0 ? ", dropping it" : "");
+ ist->prev_sub.subtitle.end_display_time = end;
+ }
+ }
+ FFSWAP(int, *got_output, ist->prev_sub.got_output);
+ FFSWAP(int, ret, ist->prev_sub.ret);
+ FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
+ if (end <= 0)
+ goto out;
+ }
+
+ if (!*got_output)
+ return ret;
+
+ sub2video_update(ist, &subtitle);
+
+ if (!subtitle.num_rects)
+ goto out;
+
+ ist->frames_decoded++;
+
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+
+ if (!check_output_constraints(ist, ost) || !ost->encoding_needed
+ || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
+ continue;
+
+ do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
+ }
+
+out:
+ avsubtitle_free(&subtitle);
+ return ret;
+}
+
+static int send_filter_eof(InputStream *ist)
+{
+ int i, ret;
+ for (i = 0; i < ist->nb_filters; i++) {
+ ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
+/* pkt = NULL means EOF (needed to flush decoder buffers) */
+static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
+{
+ int ret = 0, i;
+ int got_output = 0;
+
+ AVPacket avpkt;
+ if (!ist->saw_first_ts) {
+ ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
+ ist->pts = 0;
+ if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
+ ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
+ ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
+ }
+ ist->saw_first_ts = 1;
+ }
+
+ if (ist->next_dts == AV_NOPTS_VALUE)
+ ist->next_dts = ist->dts;
+ if (ist->next_pts == AV_NOPTS_VALUE)
+ ist->next_pts = ist->pts;
+
+ if (!pkt) {
+ /* EOF handling */
+ av_init_packet(&avpkt);
+ avpkt.data = NULL;
+ avpkt.size = 0;
+ goto handle_eof;
+ } else {
+ avpkt = *pkt;
+ }
+
+ if (pkt->dts != AV_NOPTS_VALUE) {
+ ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
+ if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
+ ist->next_pts = ist->pts = ist->dts;
+ }
+
+ // while we have more to decode or while the decoder did output something on EOF
+ while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
+ int duration;
+ handle_eof:
+
+ ist->pts = ist->next_pts;
+ ist->dts = ist->next_dts;
+
+ if (avpkt.size && avpkt.size != pkt->size &&
+ !(ist->dec->capabilities & AV_CODEC_CAP_SUBFRAMES)) {
+ av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
+ "Multiple frames in a packet from stream %d\n", pkt->stream_index);
+ ist->showed_multi_packet_warning = 1;
+ }
+
+ switch (ist->dec_ctx->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ ret = decode_audio (ist, &avpkt, &got_output);
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ ret = decode_video (ist, &avpkt, &got_output);
+ if (avpkt.duration) {
+ duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
+ } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
+ int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
+ duration = ((int64_t)AV_TIME_BASE *
+ ist->dec_ctx->framerate.den * ticks) /
+ ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
+ } else
+ duration = 0;
+
+ if(ist->dts != AV_NOPTS_VALUE && duration) {
+ ist->next_dts += duration;
+ }else
+ ist->next_dts = AV_NOPTS_VALUE;
+
+ if (got_output)
+ ist->next_pts += duration; //FIXME the duration is not correct in some cases
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ ret = transcode_subtitles(ist, &avpkt, &got_output);
+ break;
+ default:
+ return -1;
+ }
+
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
+ ist->file_index, ist->st->index, av_err2str(ret));
+ if (exit_on_error)
+ exit_program(1);
+ break;
+ }
+
+ avpkt.dts=
+ avpkt.pts= AV_NOPTS_VALUE;
+
+ // touch data and size only if not EOF
+ if (pkt) {
+ if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
+ ret = avpkt.size;
+ avpkt.data += ret;
+ avpkt.size -= ret;
+ }
+ if (!got_output) {
+ continue;
+ }
+ if (got_output && !pkt)
+ break;
+ }
+
+ /* after flushing, send an EOF on all the filter inputs attached to the stream */
+ /* except when looping we need to flush but not to send an EOF */
+ if (!pkt && ist->decoding_needed && !got_output && !no_eof) {
+ int ret = send_filter_eof(ist);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
+ exit_program(1);
+ }
+ }
+
+ /* handle stream copy */
+ if (!ist->decoding_needed) {
+ ist->dts = ist->next_dts;
+ switch (ist->dec_ctx->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
+ ist->dec_ctx->sample_rate;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ if (ist->framerate.num) {
+ // TODO: Remove work-around for c99-to-c89 issue 7
+ AVRational time_base_q = AV_TIME_BASE_Q;
+ int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
+ ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
+ } else if (pkt->duration) {
+ ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
+ } else if(ist->dec_ctx->framerate.num != 0) {
+ int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
+ ist->next_dts += ((int64_t)AV_TIME_BASE *
+ ist->dec_ctx->framerate.den * ticks) /
+ ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
+ }
+ break;
+ }
+ ist->pts = ist->dts;
+ ist->next_pts = ist->next_dts;
+ }
+ for (i = 0; pkt && i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+
+ if (!check_output_constraints(ist, ost) || ost->encoding_needed)
+ continue;
+
+ do_streamcopy(ist, ost, pkt);
+ }
+
+ return got_output;
+}
+
+static void print_sdp(void)
+{
+ char sdp[16384];
+ int i;
+ int j;
+ AVIOContext *sdp_pb;
+ AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
+
+ if (!avc)
+ exit_program(1);
+ for (i = 0, j = 0; i < nb_output_files; i++) {
+ if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
+ avc[j] = output_files[i]->ctx;
+ j++;
+ }
+ }
+
+ if (!j)
+ goto fail;
+
+ av_sdp_create(avc, j, sdp, sizeof(sdp));
+
+ if (!sdp_filename) {
+ printf("SDP:\n%s\n", sdp);
+ fflush(stdout);
+ } else {
+ if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
+ } else {
+ avio_printf(sdp_pb, "SDP:\n%s", sdp);
+ avio_closep(&sdp_pb);
+ av_freep(&sdp_filename);
+ }
+ }
+
+fail:
+ av_freep(&avc);
+}
+
+static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
+{
+ int i;
+ for (i = 0; hwaccels[i].name; i++)
+ if (hwaccels[i].pix_fmt == pix_fmt)
+ return &hwaccels[i];
+ return NULL;
+}
+
+static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
+{
+ InputStream *ist = s->opaque;
+ const enum AVPixelFormat *p;
+ int ret;
+
+ for (p = pix_fmts; *p != -1; p++) {
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
+ const HWAccel *hwaccel;
+
+ if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
+ break;
+
+ hwaccel = get_hwaccel(*p);
+ if (!hwaccel ||
+ (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
+ (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
+ continue;
+
+ ret = hwaccel->init(s);
+ if (ret < 0) {
+ if (ist->hwaccel_id == hwaccel->id) {
+ av_log(NULL, AV_LOG_FATAL,
+ "%s hwaccel requested for input stream #%d:%d, "
+ "but cannot be initialized.\n", hwaccel->name,
+ ist->file_index, ist->st->index);
+ return AV_PIX_FMT_NONE;
+ }
+ continue;
+ }
+ ist->active_hwaccel_id = hwaccel->id;
+ ist->hwaccel_pix_fmt = *p;
+ break;
+ }
+
+ return *p;
+}
+
+static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
+{
+ InputStream *ist = s->opaque;
+
+ if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
+ return ist->hwaccel_get_buffer(s, frame, flags);
+
+ return avcodec_default_get_buffer2(s, frame, flags);
+}
+
+static int init_input_stream(int ist_index, char *error, int error_len)
+{
+ int ret;
+ InputStream *ist = input_streams[ist_index];
+
+ if (ist->decoding_needed) {
+ AVCodec *codec = ist->dec;
+ if (!codec) {
+ snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
+ avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
+ return AVERROR(EINVAL);
+ }
+
+ ist->dec_ctx->opaque = ist;
+ ist->dec_ctx->get_format = get_format;
+ ist->dec_ctx->get_buffer2 = get_buffer;
+ ist->dec_ctx->thread_safe_callbacks = 1;
+
+ av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
+ if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
+ (ist->decoding_needed & DECODING_FOR_OST)) {
+ av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
+ if (ist->decoding_needed & DECODING_FOR_FILTER)
+ av_log(NULL, AV_LOG_WARNING, "Warning using DVB subtitles for filtering and output at the same time is not fully supported, also see -compute_edt [0|1]\n");
+ }
+
+ av_dict_set(&ist->decoder_opts, "sub_text_format", "ass", AV_DICT_DONT_OVERWRITE);
+
+ if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
+ av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
+ if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
+ if (ret == AVERROR_EXPERIMENTAL)
+ abort_codec_experimental(codec, 0);
+
+ snprintf(error, error_len,
+ "Error while opening decoder for input stream "
+ "#%d:%d : %s",
+ ist->file_index, ist->st->index, av_err2str(ret));
+ return ret;
+ }
+ assert_avoptions(ist->decoder_opts);
+ }
+
+ ist->next_pts = AV_NOPTS_VALUE;
+ ist->next_dts = AV_NOPTS_VALUE;
+
+ return 0;
+}
+
+static InputStream *get_input_stream(OutputStream *ost)
+{
+ if (ost->source_index >= 0)
+ return input_streams[ost->source_index];
+ return NULL;
+}
+
+static int compare_int64(const void *a, const void *b)
+{
+ return FFDIFFSIGN(*(const int64_t *)a, *(const int64_t *)b);
+}
+
+static int init_output_stream(OutputStream *ost, char *error, int error_len)
+{
+ int ret = 0;
+
+ if (ost->encoding_needed) {
+ AVCodec *codec = ost->enc;
+ AVCodecContext *dec = NULL;
+ InputStream *ist;
+
+ if ((ist = get_input_stream(ost)))
+ dec = ist->dec_ctx;
+ if (dec && dec->subtitle_header) {
+ /* ASS code assumes this buffer is null terminated so add extra byte. */
+ ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
+ if (!ost->enc_ctx->subtitle_header)
+ return AVERROR(ENOMEM);
+ memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
+ ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
+ }
+ if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
+ av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
+ if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
+ !codec->defaults &&
+ !av_dict_get(ost->encoder_opts, "b", NULL, 0) &&
+ !av_dict_get(ost->encoder_opts, "ab", NULL, 0))
+ av_dict_set(&ost->encoder_opts, "b", "128000", 0);
+
+ if (ost->filter && ost->filter->filter->inputs[0]->hw_frames_ctx) {
+ ost->enc_ctx->hw_frames_ctx = av_buffer_ref(ost->filter->filter->inputs[0]->hw_frames_ctx);
+ if (!ost->enc_ctx->hw_frames_ctx)
+ return AVERROR(ENOMEM);
+ }
+
+ if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
+ if (ret == AVERROR_EXPERIMENTAL)
+ abort_codec_experimental(codec, 1);
+ snprintf(error, error_len,
+ "Error while opening encoder for output stream #%d:%d - "
+ "maybe incorrect parameters such as bit_rate, rate, width or height",
+ ost->file_index, ost->index);
+ return ret;
+ }
+ if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
+ !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
+ av_buffersink_set_frame_size(ost->filter->filter,
+ ost->enc_ctx->frame_size);
+ assert_avoptions(ost->encoder_opts);
+ if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
+ av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
+ " It takes bits/s as argument, not kbits/s\n");
+
+ ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Error initializing the output stream codec context.\n");
+ exit_program(1);
+ }
+
+ if (ost->enc_ctx->nb_coded_side_data) {
+ int i;
+
+ ost->st->side_data = av_realloc_array(NULL, ost->enc_ctx->nb_coded_side_data,
+ sizeof(*ost->st->side_data));
+ if (!ost->st->side_data)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
+ const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i];
+ AVPacketSideData *sd_dst = &ost->st->side_data[i];
+
+ sd_dst->data = av_malloc(sd_src->size);
+ if (!sd_dst->data)
+ return AVERROR(ENOMEM);
+ memcpy(sd_dst->data, sd_src->data, sd_src->size);
+ sd_dst->size = sd_src->size;
+ sd_dst->type = sd_src->type;
+ ost->st->nb_side_data++;
+ }
+ }
+
+ // copy timebase while removing common factors
+ ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
+ ost->st->codec->codec= ost->enc_ctx->codec;
+ } else {
+ ret = av_opt_set_dict(ost->st->codec, &ost->encoder_opts);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Error setting up codec context options.\n");
+ return ret;
+ }
+ // copy timebase while removing common factors
+ ost->st->time_base = av_add_q(ost->st->codec->time_base, (AVRational){0, 1});
+ }
+
+ return ret;
+}
+
+static void parse_forced_key_frames(char *kf, OutputStream *ost,
+ AVCodecContext *avctx)
+{
+ char *p;
+ int n = 1, i, size, index = 0;
+ int64_t t, *pts;
+
+ for (p = kf; *p; p++)
+ if (*p == ',')
+ n++;
+ size = n;
+ pts = av_malloc_array(size, sizeof(*pts));
+ if (!pts) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
+ exit_program(1);
+ }
+
+ p = kf;
+ for (i = 0; i < n; i++) {
+ char *next = strchr(p, ',');
+
+ if (next)
+ *next++ = 0;
+
+ if (!memcmp(p, "chapters", 8)) {
+
+ AVFormatContext *avf = output_files[ost->file_index]->ctx;
+ int j;
+
+ if (avf->nb_chapters > INT_MAX - size ||
+ !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
+ sizeof(*pts)))) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Could not allocate forced key frames array.\n");
+ exit_program(1);
+ }
+ t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
+ t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
+
+ for (j = 0; j < avf->nb_chapters; j++) {
+ AVChapter *c = avf->chapters[j];
+ av_assert1(index < size);
+ pts[index++] = av_rescale_q(c->start, c->time_base,
+ avctx->time_base) + t;
+ }
+
+ } else {
+
+ t = parse_time_or_die("force_key_frames", p, 1);
+ av_assert1(index < size);
+ pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
+
+ }
+
+ p = next;
+ }
+
+ av_assert0(index == size);
+ qsort(pts, size, sizeof(*pts), compare_int64);
+ ost->forced_kf_count = size;
+ ost->forced_kf_pts = pts;
+}
+
+static void report_new_stream(int input_index, AVPacket *pkt)
+{
+ InputFile *file = input_files[input_index];
+ AVStream *st = file->ctx->streams[pkt->stream_index];
+
+ if (pkt->stream_index < file->nb_streams_warn)
+ return;
+ av_log(file->ctx, AV_LOG_WARNING,
+ "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
+ av_get_media_type_string(st->codec->codec_type),
+ input_index, pkt->stream_index,
+ pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
+ file->nb_streams_warn = pkt->stream_index + 1;
+}
+
+static void set_encoder_id(OutputFile *of, OutputStream *ost)
+{
+ AVDictionaryEntry *e;
+
+ uint8_t *encoder_string;
+ int encoder_string_len;
+ int format_flags = 0;
+ int codec_flags = 0;
+
+ if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
+ return;
+
+ e = av_dict_get(of->opts, "fflags", NULL, 0);
+ if (e) {
+ const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
+ if (!o)
+ return;
+ av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
+ }
+ e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
+ if (e) {
+ const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
+ if (!o)
+ return;
+ av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
+ }
+
+ encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
+ encoder_string = av_mallocz(encoder_string_len);
+ if (!encoder_string)
+ exit_program(1);
+
+ if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & AV_CODEC_FLAG_BITEXACT))
+ av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
+ else
+ av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
+ av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
+ av_dict_set(&ost->st->metadata, "encoder", encoder_string,
+ AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
+}
+
+static int transcode_init(void)
+{
+ int ret = 0, i, j, k;
+ AVFormatContext *oc;
+ OutputStream *ost;
+ InputStream *ist;
+ char error[1024] = {0};
+ int want_sdp = 1;
+
+ for (i = 0; i < nb_filtergraphs; i++) {
+ FilterGraph *fg = filtergraphs[i];
+ for (j = 0; j < fg->nb_outputs; j++) {
+ OutputFilter *ofilter = fg->outputs[j];
+ if (!ofilter->ost || ofilter->ost->source_index >= 0)
+ continue;
+ if (fg->nb_inputs != 1)
+ continue;
+ for (k = nb_input_streams-1; k >= 0 ; k--)
+ if (fg->inputs[0]->ist == input_streams[k])
+ break;
+ ofilter->ost->source_index = k;
+ }
+ }
+
+ /* init framerate emulation */
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *ifile = input_files[i];
+ if (ifile->rate_emu)
+ for (j = 0; j < ifile->nb_streams; j++)
+ input_streams[j + ifile->ist_index]->start = av_gettime_relative();
+ }
+
+ /* for each output stream, we compute the right encoding parameters */
+ for (i = 0; i < nb_output_streams; i++) {
+ AVCodecContext *enc_ctx;
+ AVCodecContext *dec_ctx = NULL;
+ ost = output_streams[i];
+ oc = output_files[ost->file_index]->ctx;
+ ist = get_input_stream(ost);
+
+ if (ost->attachment_filename)
+ continue;
+
+ enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
+
+ if (ist) {
+ dec_ctx = ist->dec_ctx;
+
+ ost->st->disposition = ist->st->disposition;
+ enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
+ enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
+ } else {
+ for (j=0; j<oc->nb_streams; j++) {
+ AVStream *st = oc->streams[j];
+ if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
+ break;
+ }
+ if (j == oc->nb_streams)
+ if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
+ ost->st->disposition = AV_DISPOSITION_DEFAULT;
+ }
+
+ if (ost->stream_copy) {
+ AVRational sar;
+ uint64_t extra_size;
+
+ av_assert0(ist && !ost->filter);
+
+ extra_size = (uint64_t)dec_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
+
+ if (extra_size > INT_MAX) {
+ return AVERROR(EINVAL);
+ }
+
+ /* if stream_copy is selected, no need to decode or encode */
+ enc_ctx->codec_id = dec_ctx->codec_id;
+ enc_ctx->codec_type = dec_ctx->codec_type;
+
+ if (!enc_ctx->codec_tag) {
+ unsigned int codec_tag;
+ if (!oc->oformat->codec_tag ||
+ av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
+ !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
+ enc_ctx->codec_tag = dec_ctx->codec_tag;
+ }
+
+ enc_ctx->bit_rate = dec_ctx->bit_rate;
+ enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
+ enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
+ enc_ctx->field_order = dec_ctx->field_order;
+ if (dec_ctx->extradata_size) {
+ enc_ctx->extradata = av_mallocz(extra_size);
+ if (!enc_ctx->extradata) {
+ return AVERROR(ENOMEM);
+ }
+ memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
+ }
+ enc_ctx->extradata_size= dec_ctx->extradata_size;
+ enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
+
+ enc_ctx->time_base = ist->st->time_base;
+ /*
+ * Avi is a special case here because it supports variable fps but
+ * having the fps and timebase differe significantly adds quite some
+ * overhead
+ */
+ if(!strcmp(oc->oformat->name, "avi")) {
+ if ( copy_tb<0 && ist->st->r_frame_rate.num
+ && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
+ && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
+ && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
+ && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
+ || copy_tb==2){
+ enc_ctx->time_base.num = ist->st->r_frame_rate.den;
+ enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
+ enc_ctx->ticks_per_frame = 2;
+ } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
+ && av_q2d(ist->st->time_base) < 1.0/500
+ || copy_tb==0){
+ enc_ctx->time_base = dec_ctx->time_base;
+ enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
+ enc_ctx->time_base.den *= 2;
+ enc_ctx->ticks_per_frame = 2;
+ }
+ } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
+ && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
+ && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
+ && strcmp(oc->oformat->name, "f4v")
+ ) {
+ if( copy_tb<0 && dec_ctx->time_base.den
+ && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
+ && av_q2d(ist->st->time_base) < 1.0/500
+ || copy_tb==0){
+ enc_ctx->time_base = dec_ctx->time_base;
+ enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
+ }
+ }
+ if ( enc_ctx->codec_tag == AV_RL32("tmcd")
+ && dec_ctx->time_base.num < dec_ctx->time_base.den
+ && dec_ctx->time_base.num > 0
+ && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
+ enc_ctx->time_base = dec_ctx->time_base;
+ }
+
+ if (!ost->frame_rate.num)
+ ost->frame_rate = ist->framerate;
+ if(ost->frame_rate.num)
+ enc_ctx->time_base = av_inv_q(ost->frame_rate);
+
+ av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
+ enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
+
+ if (ist->st->nb_side_data) {
+ ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
+ sizeof(*ist->st->side_data));
+ if (!ost->st->side_data)
+ return AVERROR(ENOMEM);
+
+ ost->st->nb_side_data = 0;
+ for (j = 0; j < ist->st->nb_side_data; j++) {
+ const AVPacketSideData *sd_src = &ist->st->side_data[j];
+ AVPacketSideData *sd_dst = &ost->st->side_data[ost->st->nb_side_data];
+
+ if (ost->rotate_overridden && sd_src->type == AV_PKT_DATA_DISPLAYMATRIX)
+ continue;
+
+ sd_dst->data = av_malloc(sd_src->size);
+ if (!sd_dst->data)
+ return AVERROR(ENOMEM);
+ memcpy(sd_dst->data, sd_src->data, sd_src->size);
+ sd_dst->size = sd_src->size;
+ sd_dst->type = sd_src->type;
+ ost->st->nb_side_data++;
+ }
+ }
+
+ ost->parser = av_parser_init(enc_ctx->codec_id);
+
+ switch (enc_ctx->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ if (audio_volume != 256) {
+ av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
+ exit_program(1);
+ }
+ enc_ctx->channel_layout = dec_ctx->channel_layout;
+ enc_ctx->sample_rate = dec_ctx->sample_rate;
+ enc_ctx->channels = dec_ctx->channels;
+ enc_ctx->frame_size = dec_ctx->frame_size;
+ enc_ctx->audio_service_type = dec_ctx->audio_service_type;
+ enc_ctx->block_align = dec_ctx->block_align;
+ enc_ctx->initial_padding = dec_ctx->delay;
+ enc_ctx->profile = dec_ctx->profile;
+#if FF_API_AUDIOENC_DELAY
+ enc_ctx->delay = dec_ctx->delay;
+#endif
+ if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
+ enc_ctx->block_align= 0;
+ if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
+ enc_ctx->block_align= 0;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ enc_ctx->pix_fmt = dec_ctx->pix_fmt;
+ enc_ctx->colorspace = dec_ctx->colorspace;
+ enc_ctx->color_range = dec_ctx->color_range;
+ enc_ctx->color_primaries = dec_ctx->color_primaries;
+ enc_ctx->color_trc = dec_ctx->color_trc;
+ enc_ctx->width = dec_ctx->width;
+ enc_ctx->height = dec_ctx->height;
+ enc_ctx->has_b_frames = dec_ctx->has_b_frames;
+ enc_ctx->profile = dec_ctx->profile;
+ if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
+ sar =
+ av_mul_q(ost->frame_aspect_ratio,
+ (AVRational){ enc_ctx->height, enc_ctx->width });
+ av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
+ "with stream copy may produce invalid files\n");
+ }
+ else if (ist->st->sample_aspect_ratio.num)
+ sar = ist->st->sample_aspect_ratio;
+ else
+ sar = dec_ctx->sample_aspect_ratio;
+ ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
+ ost->st->avg_frame_rate = ist->st->avg_frame_rate;
+ ost->st->r_frame_rate = ist->st->r_frame_rate;
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ enc_ctx->width = dec_ctx->width;
+ enc_ctx->height = dec_ctx->height;
+ break;
+ case AVMEDIA_TYPE_UNKNOWN:
+ case AVMEDIA_TYPE_DATA:
+ case AVMEDIA_TYPE_ATTACHMENT:
+ break;
+ default:
+ abort();
+ }
+ } else {
+ if (!ost->enc)
+ ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
+ if (!ost->enc) {
+ /* should only happen when a default codec is not present. */
+ snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
+ avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
+ ret = AVERROR(EINVAL);
+ goto dump_format;
+ }
+
+ set_encoder_id(output_files[ost->file_index], ost);
+
+#if CONFIG_LIBMFX
+ if (qsv_transcode_init(ost))
+ exit_program(1);
+#endif
+
+#if CONFIG_CUVID
+ if (cuvid_transcode_init(ost))
+ exit_program(1);
+#endif
+
- if (!ost->filter &&
- (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
- enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
- FilterGraph *fg;
- fg = init_simple_filtergraph(ist, ost);
++ if ((enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
++ enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
++ filtergraph_is_simple(ost->filter->graph)) {
++ FilterGraph *fg = ost->filter->graph;
+ if (configure_filtergraph(fg)) {
+ av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
+ exit_program(1);
+ }
+ }
+
+ if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (!ost->frame_rate.num)
+ ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
+ if (ist && !ost->frame_rate.num)
+ ost->frame_rate = ist->framerate;
+ if (ist && !ost->frame_rate.num)
+ ost->frame_rate = ist->st->r_frame_rate;
+ if (ist && !ost->frame_rate.num) {
+ ost->frame_rate = (AVRational){25, 1};
+ av_log(NULL, AV_LOG_WARNING,
+ "No information "
+ "about the input framerate is available. Falling "
+ "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
+ "if you want a different framerate.\n",
+ ost->file_index, ost->index);
+ }
+// ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
+ if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
+ int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
+ ost->frame_rate = ost->enc->supported_framerates[idx];
+ }
+ // reduce frame rate for mpeg4 to be within the spec limits
+ if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
+ av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
+ ost->frame_rate.num, ost->frame_rate.den, 65535);
+ }
+ }
+
+ switch (enc_ctx->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
+ enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
+ enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
+ enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
+ enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ enc_ctx->time_base = av_inv_q(ost->frame_rate);
+ if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
+ enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
+ if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
+ && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
+ av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
+ "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
+ }
+ for (j = 0; j < ost->forced_kf_count; j++)
+ ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
+ AV_TIME_BASE_Q,
+ enc_ctx->time_base);
+
+ enc_ctx->width = ost->filter->filter->inputs[0]->w;
+ enc_ctx->height = ost->filter->filter->inputs[0]->h;
+ enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
+ ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
+ av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
+ ost->filter->filter->inputs[0]->sample_aspect_ratio;
+ if (!strncmp(ost->enc->name, "libx264", 7) &&
+ enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
+ ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
+ av_log(NULL, AV_LOG_WARNING,
+ "No pixel format specified, %s for H.264 encoding chosen.\n"
+ "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
+ av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
+ if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
+ enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
+ ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
+ av_log(NULL, AV_LOG_WARNING,
+ "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
+ "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
+ av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
+ enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
+
+ ost->st->avg_frame_rate = ost->frame_rate;
+
+ if (!dec_ctx ||
+ enc_ctx->width != dec_ctx->width ||
+ enc_ctx->height != dec_ctx->height ||
+ enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
+ enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
+ }
+
+ if (ost->forced_keyframes) {
+ if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
+ ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
+ forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
+ return ret;
+ }
+ ost->forced_keyframes_expr_const_values[FKF_N] = 0;
+ ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
+
+ // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
+ // parse it only for static kf timings
+ } else if(strncmp(ost->forced_keyframes, "source", 6)) {
+ parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
+ }
+ }
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ enc_ctx->time_base = (AVRational){1, 1000};
+ if (!enc_ctx->width) {
+ enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
+ enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
+ }
+ break;
+ case AVMEDIA_TYPE_DATA:
+ break;
+ default:
+ abort();
+ break;
+ }
+ }
+
+ if (ost->disposition) {
+ static const AVOption opts[] = {
+ { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
+ { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
+ { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
+ { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
+ { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
+ { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
+ { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
+ { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
+ { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
+ { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
+ { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
+ { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
+ { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
+ { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
+ { NULL },
+ };
+ static const AVClass class = {
+ .class_name = "",
+ .item_name = av_default_item_name,
+ .option = opts,
+ .version = LIBAVUTIL_VERSION_INT,
+ };
+ const AVClass *pclass = &class;
+
+ ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
+ if (ret < 0)
+ goto dump_format;
+ }
+ }
+
+ /* init input streams */
+ for (i = 0; i < nb_input_streams; i++)
+ if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = output_streams[i];
+ avcodec_close(ost->enc_ctx);
+ }
+ goto dump_format;
+ }
+
+ /* open each encoder */
+ for (i = 0; i < nb_output_streams; i++) {
+ ret = init_output_stream(output_streams[i], error, sizeof(error));
+ if (ret < 0)
+ goto dump_format;
+ }
+
+ /* discard unused programs */
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *ifile = input_files[i];
+ for (j = 0; j < ifile->ctx->nb_programs; j++) {
+ AVProgram *p = ifile->ctx->programs[j];
+ int discard = AVDISCARD_ALL;
+
+ for (k = 0; k < p->nb_stream_indexes; k++)
+ if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
+ discard = AVDISCARD_DEFAULT;
+ break;
+ }
+ p->discard = discard;
+ }
+ }
+
+ /* open files and write file headers */
+ for (i = 0; i < nb_output_files; i++) {
+ oc = output_files[i]->ctx;
+ oc->interrupt_callback = int_cb;
+ if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
+ snprintf(error, sizeof(error),
+ "Could not write header for output file #%d "
+ "(incorrect codec parameters ?): %s",
+ i, av_err2str(ret));
+ ret = AVERROR(EINVAL);
+ goto dump_format;
+ }
+// assert_avoptions(output_files[i]->opts);
+ if (strcmp(oc->oformat->name, "rtp")) {
+ want_sdp = 0;
+ }
+ }
+
+ dump_format:
+ /* dump the file output parameters - cannot be done before in case
+ of stream copy */
+ for (i = 0; i < nb_output_files; i++) {
+ av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
+ }
+
+ /* dump the stream mapping */
+ av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+
+ for (j = 0; j < ist->nb_filters; j++) {
+ if (!filtergraph_is_simple(ist->filters[j]->graph)) {
+ av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
+ ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
+ ist->filters[j]->name);
+ if (nb_filtergraphs > 1)
+ av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
+ av_log(NULL, AV_LOG_INFO, "\n");
+ }
+ }
+ }
+
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = output_streams[i];
+
+ if (ost->attachment_filename) {
+ /* an attached file */
+ av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
+ ost->attachment_filename, ost->file_index, ost->index);
+ continue;
+ }
+
+ if (ost->filter && !filtergraph_is_simple(ost->filter->graph)) {
+ /* output from a complex graph */
+ av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
+ if (nb_filtergraphs > 1)
+ av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
+
+ av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
+ ost->index, ost->enc ? ost->enc->name : "?");
+ continue;
+ }
+
+ av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
+ input_streams[ost->source_index]->file_index,
+ input_streams[ost->source_index]->st->index,
+ ost->file_index,
+ ost->index);
+ if (ost->sync_ist != input_streams[ost->source_index])
+ av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
+ ost->sync_ist->file_index,
+ ost->sync_ist->st->index);
+ if (ost->stream_copy)
+ av_log(NULL, AV_LOG_INFO, " (copy)");
+ else {
+ const AVCodec *in_codec = input_streams[ost->source_index]->dec;
+ const AVCodec *out_codec = ost->enc;
+ const char *decoder_name = "?";
+ const char *in_codec_name = "?";
+ const char *encoder_name = "?";
+ const char *out_codec_name = "?";
+ const AVCodecDescriptor *desc;
+
+ if (in_codec) {
+ decoder_name = in_codec->name;
+ desc = avcodec_descriptor_get(in_codec->id);
+ if (desc)
+ in_codec_name = desc->name;
+ if (!strcmp(decoder_name, in_codec_name))
+ decoder_name = "native";
+ }
+
+ if (out_codec) {
+ encoder_name = out_codec->name;
+ desc = avcodec_descriptor_get(out_codec->id);
+ if (desc)
+ out_codec_name = desc->name;
+ if (!strcmp(encoder_name, out_codec_name))
+ encoder_name = "native";
+ }
+
+ av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
+ in_codec_name, decoder_name,
+ out_codec_name, encoder_name);
+ }
+ av_log(NULL, AV_LOG_INFO, "\n");
+ }
+
+ if (ret) {
+ av_log(NULL, AV_LOG_ERROR, "%s\n", error);
+ return ret;
+ }
+
+ if (sdp_filename || want_sdp) {
+ print_sdp();
+ }
+
+ transcode_init_done = 1;
+
+ return 0;
+}
+
+/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
+static int need_output(void)
+{
+ int i;
+
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ OutputFile *of = output_files[ost->file_index];
+ AVFormatContext *os = output_files[ost->file_index]->ctx;
+
+ if (ost->finished ||
+ (os->pb && avio_tell(os->pb) >= of->limit_filesize))
+ continue;
+ if (ost->frame_number >= ost->max_frames) {
+ int j;
+ for (j = 0; j < of->ctx->nb_streams; j++)
+ close_output_stream(output_streams[of->ost_index + j]);
+ continue;
+ }
+
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * Select the output stream to process.
+ *
+ * @return selected output stream, or NULL if none available
+ */
+static OutputStream *choose_output(void)
+{
+ int i;
+ int64_t opts_min = INT64_MAX;
+ OutputStream *ost_min = NULL;
+
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ int64_t opts = ost->st->cur_dts == AV_NOPTS_VALUE ? INT64_MIN :
+ av_rescale_q(ost->st->cur_dts, ost->st->time_base,
+ AV_TIME_BASE_Q);
+ if (ost->st->cur_dts == AV_NOPTS_VALUE)
+ av_log(NULL, AV_LOG_DEBUG, "cur_dts is invalid (this is harmless if it occurs once at the start per stream)\n");
+
+ if (!ost->finished && opts < opts_min) {
+ opts_min = opts;
+ ost_min = ost->unavailable ? NULL : ost;
+ }
+ }
+ return ost_min;
+}
+
+static void set_tty_echo(int on)
+{
+#if HAVE_TERMIOS_H
+ struct termios tty;
+ if (tcgetattr(0, &tty) == 0) {
+ if (on) tty.c_lflag |= ECHO;
+ else tty.c_lflag &= ~ECHO;
+ tcsetattr(0, TCSANOW, &tty);
+ }
+#endif
+}
+
+static int check_keyboard_interaction(int64_t cur_time)
+{
+ int i, ret, key;
+ static int64_t last_time;
+ if (received_nb_signals)
+ return AVERROR_EXIT;
+ /* read_key() returns 0 on EOF */
+ if(cur_time - last_time >= 100000 && !run_as_daemon){
+ key = read_key();
+ last_time = cur_time;
+ }else
+ key = -1;
+ if (key == 'q')
+ return AVERROR_EXIT;
+ if (key == '+') av_log_set_level(av_log_get_level()+10);
+ if (key == '-') av_log_set_level(av_log_get_level()-10);
+ if (key == 's') qp_hist ^= 1;
+ if (key == 'h'){
+ if (do_hex_dump){
+ do_hex_dump = do_pkt_dump = 0;
+ } else if(do_pkt_dump){
+ do_hex_dump = 1;
+ } else
+ do_pkt_dump = 1;
+ av_log_set_level(AV_LOG_DEBUG);
+ }
+ if (key == 'c' || key == 'C'){
+ char buf[4096], target[64], command[256], arg[256] = {0};
+ double time;
+ int k, n = 0;
+ fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
+ i = 0;
+ set_tty_echo(1);
+ while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
+ if (k > 0)
+ buf[i++] = k;
+ buf[i] = 0;
+ set_tty_echo(0);
+ fprintf(stderr, "\n");
+ if (k > 0 &&
+ (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
+ av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
+ target, time, command, arg);
+ for (i = 0; i < nb_filtergraphs; i++) {
+ FilterGraph *fg = filtergraphs[i];
+ if (fg->graph) {
+ if (time < 0) {
+ ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
+ key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
+ fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
+ } else if (key == 'c') {
+ fprintf(stderr, "Queuing commands only on filters supporting the specific command is unsupported\n");
+ ret = AVERROR_PATCHWELCOME;
+ } else {
+ ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
+ if (ret < 0)
+ fprintf(stderr, "Queuing command failed with error %s\n", av_err2str(ret));
+ }
+ }
+ }
+ } else {
+ av_log(NULL, AV_LOG_ERROR,
+ "Parse error, at least 3 arguments were expected, "
+ "only %d given in string '%s'\n", n, buf);
+ }
+ }
+ if (key == 'd' || key == 'D'){
+ int debug=0;
+ if(key == 'D') {
+ debug = input_streams[0]->st->codec->debug<<1;
+ if(!debug) debug = 1;
+ while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
+ debug += debug;
+ }else{
+ char buf[32];
+ int k = 0;
+ i = 0;
+ set_tty_echo(1);
+ while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
+ if (k > 0)
+ buf[i++] = k;
+ buf[i] = 0;
+ set_tty_echo(0);
+ fprintf(stderr, "\n");
+ if (k <= 0 || sscanf(buf, "%d", &debug)!=1)
+ fprintf(stderr,"error parsing debug value\n");
+ }
+ for(i=0;i<nb_input_streams;i++) {
+ input_streams[i]->st->codec->debug = debug;
+ }
+ for(i=0;i<nb_output_streams;i++) {
+ OutputStream *ost = output_streams[i];
+ ost->enc_ctx->debug = debug;
+ }
+ if(debug) av_log_set_level(AV_LOG_DEBUG);
+ fprintf(stderr,"debug=%d\n", debug);
+ }
+ if (key == '?'){
+ fprintf(stderr, "key function\n"
+ "? show this help\n"
+ "+ increase verbosity\n"
+ "- decrease verbosity\n"
+ "c Send command to first matching filter supporting it\n"
+ "C Send/Que command to all matching filters\n"
+ "D cycle through available debug modes\n"
+ "h dump packets/hex press to cycle through the 3 states\n"
+ "q quit\n"
+ "s Show QP histogram\n"
+ );
+ }
+ return 0;
+}
+
+#if HAVE_PTHREADS
+static void *input_thread(void *arg)
+{
+ InputFile *f = arg;
+ unsigned flags = f->non_blocking ? AV_THREAD_MESSAGE_NONBLOCK : 0;
+ int ret = 0;
+
+ while (1) {
+ AVPacket pkt;
+ ret = av_read_frame(f->ctx, &pkt);
+
+ if (ret == AVERROR(EAGAIN)) {
+ av_usleep(10000);
+ continue;
+ }
+ if (ret < 0) {
+ av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
+ break;
+ }
+ ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
+ if (flags && ret == AVERROR(EAGAIN)) {
+ flags = 0;
+ ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, flags);
+ av_log(f->ctx, AV_LOG_WARNING,
+ "Thread message queue blocking; consider raising the "
+ "thread_queue_size option (current value: %d)\n",
+ f->thread_queue_size);
+ }
+ if (ret < 0) {
+ if (ret != AVERROR_EOF)
+ av_log(f->ctx, AV_LOG_ERROR,
+ "Unable to send packet to main thread: %s\n",
+ av_err2str(ret));
+ av_packet_unref(&pkt);
+ av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
+ break;
+ }
+ }
+
+ return NULL;
+}
+
+static void free_input_threads(void)
+{
+ int i;
+
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *f = input_files[i];
+ AVPacket pkt;
+
+ if (!f || !f->in_thread_queue)
+ continue;
+ av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
+ while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
+ av_packet_unref(&pkt);
+
+ pthread_join(f->thread, NULL);
+ f->joined = 1;
+ av_thread_message_queue_free(&f->in_thread_queue);
+ }
+}
+
+static int init_input_threads(void)
+{
+ int i, ret;
+
+ if (nb_input_files == 1)
+ return 0;
+
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *f = input_files[i];
+
+ if (f->ctx->pb ? !f->ctx->pb->seekable :
+ strcmp(f->ctx->iformat->name, "lavfi"))
+ f->non_blocking = 1;
+ ret = av_thread_message_queue_alloc(&f->in_thread_queue,
+ f->thread_queue_size, sizeof(AVPacket));
+ if (ret < 0)
+ return ret;
+
+ if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
+ av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
+ av_thread_message_queue_free(&f->in_thread_queue);
+ return AVERROR(ret);
+ }
+ }
+ return 0;
+}
+
+static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
+{
+ return av_thread_message_queue_recv(f->in_thread_queue, pkt,
+ f->non_blocking ?
+ AV_THREAD_MESSAGE_NONBLOCK : 0);
+}
+#endif
+
+static int get_input_packet(InputFile *f, AVPacket *pkt)
+{
+ if (f->rate_emu) {
+ int i;
+ for (i = 0; i < f->nb_streams; i++) {
+ InputStream *ist = input_streams[f->ist_index + i];
+ int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
+ int64_t now = av_gettime_relative() - ist->start;
+ if (pts > now)
+ return AVERROR(EAGAIN);
+ }
+ }
+
+#if HAVE_PTHREADS
+ if (nb_input_files > 1)
+ return get_input_packet_mt(f, pkt);
+#endif
+ return av_read_frame(f->ctx, pkt);
+}
+
+static int got_eagain(void)
+{
+ int i;
+ for (i = 0; i < nb_output_streams; i++)
+ if (output_streams[i]->unavailable)
+ return 1;
+ return 0;
+}
+
+static void reset_eagain(void)
+{
+ int i;
+ for (i = 0; i < nb_input_files; i++)
+ input_files[i]->eagain = 0;
+ for (i = 0; i < nb_output_streams; i++)
+ output_streams[i]->unavailable = 0;
+}
+
+// set duration to max(tmp, duration) in a proper time base and return duration's time_base
+static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
+ AVRational time_base)
+{
+ int ret;
+
+ if (!*duration) {
+ *duration = tmp;
+ return tmp_time_base;
+ }
+
+ ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
+ if (ret < 0) {
+ *duration = tmp;
+ return tmp_time_base;
+ }
+
+ return time_base;
+}
+
+static int seek_to_start(InputFile *ifile, AVFormatContext *is)
+{
+ InputStream *ist;
+ AVCodecContext *avctx;
+ int i, ret, has_audio = 0;
+ int64_t duration = 0;
+
+ ret = av_seek_frame(is, -1, is->start_time, 0);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < ifile->nb_streams; i++) {
+ ist = input_streams[ifile->ist_index + i];
+ avctx = ist->dec_ctx;
+
+ // flush decoders
+ if (ist->decoding_needed) {
+ process_input_packet(ist, NULL, 1);
+ avcodec_flush_buffers(avctx);
+ }
+
+ /* duration is the length of the last frame in a stream
+ * when audio stream is present we don't care about
+ * last video frame length because it's not defined exactly */
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
+ has_audio = 1;
+ }
+
+ for (i = 0; i < ifile->nb_streams; i++) {
+ ist = input_streams[ifile->ist_index + i];
+ avctx = ist->dec_ctx;
+
+ if (has_audio) {
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
+ AVRational sample_rate = {1, avctx->sample_rate};
+
+ duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
+ } else
+ continue;
+ } else {
+ if (ist->framerate.num) {
+ duration = av_rescale_q(1, ist->framerate, ist->st->time_base);
+ } else if (ist->st->avg_frame_rate.num) {
+ duration = av_rescale_q(1, ist->st->avg_frame_rate, ist->st->time_base);
+ } else duration = 1;
+ }
+ if (!ifile->duration)
+ ifile->time_base = ist->st->time_base;
+ /* the total duration of the stream, max_pts - min_pts is
+ * the duration of the stream without the last frame */
+ duration += ist->max_pts - ist->min_pts;
+ ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
+ ifile->time_base);
+ }
+
+ if (ifile->loop > 0)
+ ifile->loop--;
+
+ return ret;
+}
+
+/*
+ * Return
+ * - 0 -- one packet was read and processed
+ * - AVERROR(EAGAIN) -- no packets were available for selected file,
+ * this function should be called again
+ * - AVERROR_EOF -- this function should not be called again
+ */
+static int process_input(int file_index)
+{
+ InputFile *ifile = input_files[file_index];
+ AVFormatContext *is;
+ InputStream *ist;
+ AVPacket pkt;
+ int ret, i, j;
+ int64_t duration;
+ int64_t pkt_dts;
+
+ is = ifile->ctx;
+ ret = get_input_packet(ifile, &pkt);
+
+ if (ret == AVERROR(EAGAIN)) {
+ ifile->eagain = 1;
+ return ret;
+ }
+ if (ret < 0 && ifile->loop) {
+ if ((ret = seek_to_start(ifile, is)) < 0)
+ return ret;
+ ret = get_input_packet(ifile, &pkt);
+ }
+ if (ret < 0) {
+ if (ret != AVERROR_EOF) {
+ print_error(is->filename, ret);
+ if (exit_on_error)
+ exit_program(1);
+ }
+
+ for (i = 0; i < ifile->nb_streams; i++) {
+ ist = input_streams[ifile->ist_index + i];
+ if (ist->decoding_needed) {
+ ret = process_input_packet(ist, NULL, 0);
+ if (ret>0)
+ return 0;
+ }
+
+ /* mark all outputs that don't go through lavfi as finished */
+ for (j = 0; j < nb_output_streams; j++) {
+ OutputStream *ost = output_streams[j];
+
+ if (ost->source_index == ifile->ist_index + i &&
+ (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
+ finish_output_stream(ost);
+ }
+ }
+
+ ifile->eof_reached = 1;
+ return AVERROR(EAGAIN);
+ }
+
+ reset_eagain();
+
+ if (do_pkt_dump) {
+ av_pkt_dump_log2(NULL, AV_LOG_INFO, &pkt, do_hex_dump,
+ is->streams[pkt.stream_index]);
+ }
+ /* the following test is needed in case new streams appear
+ dynamically in stream : we ignore them */
+ if (pkt.stream_index >= ifile->nb_streams) {
+ report_new_stream(file_index, &pkt);
+ goto discard_packet;
+ }
+
+ ist = input_streams[ifile->ist_index + pkt.stream_index];
+
+ ist->data_size += pkt.size;
+ ist->nb_packets++;
+
+ if (ist->discard)
+ goto discard_packet;
+
+ if (exit_on_error && (pkt.flags & AV_PKT_FLAG_CORRUPT)) {
+ av_log(NULL, AV_LOG_FATAL, "%s: corrupt input packet in stream %d\n", is->filename, pkt.stream_index);
+ exit_program(1);
+ }
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
+ "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
+ ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
+ av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
+ av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
+ av_ts2str(input_files[ist->file_index]->ts_offset),
+ av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
+ }
+
+ if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
+ int64_t stime, stime2;
+ // Correcting starttime based on the enabled streams
+ // FIXME this ideally should be done before the first use of starttime but we do not know which are the enabled streams at that point.
+ // so we instead do it here as part of discontinuity handling
+ if ( ist->next_dts == AV_NOPTS_VALUE
+ && ifile->ts_offset == -is->start_time
+ && (is->iformat->flags & AVFMT_TS_DISCONT)) {
+ int64_t new_start_time = INT64_MAX;
+ for (i=0; i<is->nb_streams; i++) {
+ AVStream *st = is->streams[i];
+ if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
+ continue;
+ new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
+ }
+ if (new_start_time > is->start_time) {
+ av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
+ ifile->ts_offset = -new_start_time;
+ }
+ }
+
+ stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
+ stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
+ ist->wrap_correction_done = 1;
+
+ if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
+ pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
+ ist->wrap_correction_done = 0;
+ }
+ if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
+ pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
+ ist->wrap_correction_done = 0;
+ }
+ }
+
+ /* add the stream-global side data to the first packet */
+ if (ist->nb_packets == 1) {
+ if (ist->st->nb_side_data)
+ av_packet_split_side_data(&pkt);
+ for (i = 0; i < ist->st->nb_side_data; i++) {
+ AVPacketSideData *src_sd = &ist->st->side_data[i];
+ uint8_t *dst_data;
+
+ if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
+ continue;
+ if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
+ continue;
+
+ dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
+ if (!dst_data)
+ exit_program(1);
+
+ memcpy(dst_data, src_sd->data, src_sd->size);
+ }
+ }
+
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
+
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts *= ist->ts_scale;
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts *= ist->ts_scale;
+
+ pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
+ if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
+ ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
+ pkt_dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
+ && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
+ int64_t delta = pkt_dts - ifile->last_ts;
+ if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
+ delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
+ ifile->ts_offset -= delta;
+ av_log(NULL, AV_LOG_DEBUG,
+ "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
+ delta, ifile->ts_offset);
+ pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
+ }
+ }
+
+ duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE) {
+ pkt.pts += duration;
+ ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
+ ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
+ }
+
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts += duration;
+
+ pkt_dts = av_rescale_q_rnd(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
+ if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
+ ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
+ pkt_dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
+ !copy_ts) {
+ int64_t delta = pkt_dts - ist->next_dts;
+ if (is->iformat->flags & AVFMT_TS_DISCONT) {
+ if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
+ delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
+ pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
+ ifile->ts_offset -= delta;
+ av_log(NULL, AV_LOG_DEBUG,
+ "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
+ delta, ifile->ts_offset);
+ pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
+ }
+ } else {
+ if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
+ delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
+ av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
+ pkt.dts = AV_NOPTS_VALUE;
+ }
+ if (pkt.pts != AV_NOPTS_VALUE){
+ int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
+ delta = pkt_pts - ist->next_dts;
+ if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
+ delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
+ av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
+ pkt.pts = AV_NOPTS_VALUE;
+ }
+ }
+ }
+ }
+
+ if (pkt.dts != AV_NOPTS_VALUE)
+ ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
+
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
+ ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
+ av_ts2str(input_files[ist->file_index]->ts_offset),
+ av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
+ }
+
+ sub2video_heartbeat(ist, pkt.pts);
+
+ process_input_packet(ist, &pkt, 0);
+
+discard_packet:
+ av_packet_unref(&pkt);
+
+ return 0;
+}
+
+/**
+ * Perform a step of transcoding for the specified filter graph.
+ *
+ * @param[in] graph filter graph to consider
+ * @param[out] best_ist input stream where a frame would allow to continue
+ * @return 0 for success, <0 for error
+ */
+static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
+{
+ int i, ret;
+ int nb_requests, nb_requests_max = 0;
+ InputFilter *ifilter;
+ InputStream *ist;
+
+ *best_ist = NULL;
+ ret = avfilter_graph_request_oldest(graph->graph);
+ if (ret >= 0)
+ return reap_filters(0);
+
+ if (ret == AVERROR_EOF) {
+ ret = reap_filters(1);
+ for (i = 0; i < graph->nb_outputs; i++)
+ close_output_stream(graph->outputs[i]->ost);
+ return ret;
+ }
+ if (ret != AVERROR(EAGAIN))
+ return ret;
+
+ for (i = 0; i < graph->nb_inputs; i++) {
+ ifilter = graph->inputs[i];
+ ist = ifilter->ist;
+ if (input_files[ist->file_index]->eagain ||
+ input_files[ist->file_index]->eof_reached)
+ continue;
+ nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
+ if (nb_requests > nb_requests_max) {
+ nb_requests_max = nb_requests;
+ *best_ist = ist;
+ }
+ }
+
+ if (!*best_ist)
+ for (i = 0; i < graph->nb_outputs; i++)
+ graph->outputs[i]->ost->unavailable = 1;
+
+ return 0;
+}
+
+/**
+ * Run a single step of transcoding.
+ *
+ * @return 0 for success, <0 for error
+ */
+static int transcode_step(void)
+{
+ OutputStream *ost;
+ InputStream *ist;
+ int ret;
+
+ ost = choose_output();
+ if (!ost) {
+ if (got_eagain()) {
+ reset_eagain();
+ av_usleep(10000);
+ return 0;
+ }
+ av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
+ return AVERROR_EOF;
+ }
+
+ if (ost->filter) {
+ if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
+ return ret;
+ if (!ist)
+ return 0;
+ } else {
+ av_assert0(ost->source_index >= 0);
+ ist = input_streams[ost->source_index];
+ }
+
+ ret = process_input(ist->file_index);
+ if (ret == AVERROR(EAGAIN)) {
+ if (input_files[ist->file_index]->eagain)
+ ost->unavailable = 1;
+ return 0;
+ }
+
+ if (ret < 0)
+ return ret == AVERROR_EOF ? 0 : ret;
+
+ return reap_filters(0);
+}
+
+/*
+ * The following code is the main loop of the file converter
+ */
+static int transcode(void)
+{
+ int ret, i;
+ AVFormatContext *os;
+ OutputStream *ost;
+ InputStream *ist;
+ int64_t timer_start;
+ int64_t total_packets_written = 0;
+
+ ret = transcode_init();
+ if (ret < 0)
+ goto fail;
+
+ if (stdin_interaction) {
+ av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
+ }
+
+ timer_start = av_gettime_relative();
+
+#if HAVE_PTHREADS
+ if ((ret = init_input_threads()) < 0)
+ goto fail;
+#endif
+
+ while (!received_sigterm) {
+ int64_t cur_time= av_gettime_relative();
+
+ /* if 'q' pressed, exits */
+ if (stdin_interaction)
+ if (check_keyboard_interaction(cur_time) < 0)
+ break;
+
+ /* check if there's any stream where output is still needed */
+ if (!need_output()) {
+ av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
+ break;
+ }
+
+ ret = transcode_step();
+ if (ret < 0 && ret != AVERROR_EOF) {
+ char errbuf[128];
+ av_strerror(ret, errbuf, sizeof(errbuf));
+
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
+ break;
+ }
+
+ /* dump report by using the output first video and audio streams */
+ print_report(0, timer_start, cur_time);
+ }
+#if HAVE_PTHREADS
+ free_input_threads();
+#endif
+
+ /* at the end of stream, we must flush the decoder buffers */
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+ if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
+ process_input_packet(ist, NULL, 0);
+ }
+ }
+ flush_encoders();
+
+ term_exit();
+
+ /* write the trailer if needed and close file */
+ for (i = 0; i < nb_output_files; i++) {
+ os = output_files[i]->ctx;
+ if ((ret = av_write_trailer(os)) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error writing trailer of %s: %s", os->filename, av_err2str(ret));
+ if (exit_on_error)
+ exit_program(1);
+ }
+ }
+
+ /* dump report by using the first video and audio streams */
+ print_report(1, timer_start, av_gettime_relative());
+
+ /* close each encoder */
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = output_streams[i];
+ if (ost->encoding_needed) {
+ av_freep(&ost->enc_ctx->stats_in);
+ }
+ total_packets_written += ost->packets_written;
+ }
+
+ if (!total_packets_written && (abort_on_flags & ABORT_ON_FLAG_EMPTY_OUTPUT)) {
+ av_log(NULL, AV_LOG_FATAL, "Empty output\n");
+ exit_program(1);
+ }
+
+ /* close each decoder */
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+ if (ist->decoding_needed) {
+ avcodec_close(ist->dec_ctx);
+ if (ist->hwaccel_uninit)
+ ist->hwaccel_uninit(ist->dec_ctx);
+ }
+ }
+
+ av_buffer_unref(&hw_device_ctx);
+
+ /* finished ! */
+ ret = 0;
+
+ fail:
+#if HAVE_PTHREADS
+ free_input_threads();
+#endif
+
+ if (output_streams) {
+ for (i = 0; i < nb_output_streams; i++) {
+ ost = output_streams[i];
+ if (ost) {
+ if (ost->logfile) {
+ if (fclose(ost->logfile))
+ av_log(NULL, AV_LOG_ERROR,
+ "Error closing logfile, loss of information possible: %s\n",
+ av_err2str(AVERROR(errno)));
+ ost->logfile = NULL;
+ }
+ av_freep(&ost->forced_kf_pts);
+ av_freep(&ost->apad);
+ av_freep(&ost->disposition);
+ av_dict_free(&ost->encoder_opts);
+ av_dict_free(&ost->sws_dict);
+ av_dict_free(&ost->swr_opts);
+ av_dict_free(&ost->resample_opts);
+ }
+ }
+ }
+ return ret;
+}
+
+
+static int64_t getutime(void)
+{
+#if HAVE_GETRUSAGE
+ struct rusage rusage;
+
+ getrusage(RUSAGE_SELF, &rusage);
+ return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
+#elif HAVE_GETPROCESSTIMES
+ HANDLE proc;
+ FILETIME c, e, k, u;
+ proc = GetCurrentProcess();
+ GetProcessTimes(proc, &c, &e, &k, &u);
+ return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
+#else
+ return av_gettime_relative();
+#endif
+}
+
+static int64_t getmaxrss(void)
+{
+#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
+ struct rusage rusage;
+ getrusage(RUSAGE_SELF, &rusage);
+ return (int64_t)rusage.ru_maxrss * 1024;
+#elif HAVE_GETPROCESSMEMORYINFO
+ HANDLE proc;
+ PROCESS_MEMORY_COUNTERS memcounters;
+ proc = GetCurrentProcess();
+ memcounters.cb = sizeof(memcounters);
+ GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
+ return memcounters.PeakPagefileUsage;
+#else
+ return 0;
+#endif
+}
+
+static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
+{
+}
+
+int main(int argc, char **argv)
+{
+ int ret;
+ int64_t ti;
+
+ register_exit(ffmpeg_cleanup);
+
+ setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
+
+ av_log_set_flags(AV_LOG_SKIP_REPEATED);
+ parse_loglevel(argc, argv, options);
+
+ if(argc>1 && !strcmp(argv[1], "-d")){
+ run_as_daemon=1;
+ av_log_set_callback(log_callback_null);
+ argc--;
+ argv++;
+ }
+
+ avcodec_register_all();
+#if CONFIG_AVDEVICE
+ avdevice_register_all();
+#endif
+ avfilter_register_all();
+ av_register_all();
+ avformat_network_init();
+
+ show_banner(argc, argv, options);
+
+ term_init();
+
+ /* parse options and open all input/output files */
+ ret = ffmpeg_parse_options(argc, argv);
+ if (ret < 0)
+ exit_program(1);
+
+ if (nb_output_files <= 0 && nb_input_files == 0) {
+ show_usage();
+ av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
+ exit_program(1);
+ }
+
+ /* file converter / grab */
+ if (nb_output_files <= 0) {
+ av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
+ exit_program(1);
+ }
+
+// if (nb_input_files == 0) {
+// av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
+// exit_program(1);
+// }
+
+ current_time = ti = getutime();
+ if (transcode() < 0)
+ exit_program(1);
+ ti = getutime() - ti;
+ if (do_benchmark) {
+ av_log(NULL, AV_LOG_INFO, "bench: utime=%0.3fs\n", ti / 1000000.0);
+ }
+ av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
+ decode_error_stat[0], decode_error_stat[1]);
+ if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
+ exit_program(69);
+
+ exit_program(received_nb_signals ? 255 : main_return_code);
+ return main_return_code;
+}
diff --cc ffmpeg.h
index 69edb62,0000000..49d65d8
mode 100644,000000..100644
--- a/ffmpeg.h
+++ b/ffmpeg.h
@@@ -1,593 -1,0 +1,593 @@@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef FFMPEG_H
+#define FFMPEG_H
+
+#include "config.h"
+
+#include <stdint.h>
+#include <stdio.h>
+#include <signal.h>
+
+#if HAVE_PTHREADS
+#include <pthread.h>
+#endif
+
+#include "cmdutils.h"
+
+#include "libavformat/avformat.h"
+#include "libavformat/avio.h"
+
+#include "libavcodec/avcodec.h"
+
+#include "libavfilter/avfilter.h"
+
+#include "libavutil/avutil.h"
+#include "libavutil/dict.h"
+#include "libavutil/eval.h"
+#include "libavutil/fifo.h"
+#include "libavutil/pixfmt.h"
+#include "libavutil/rational.h"
+#include "libavutil/threadmessage.h"
+
+#include "libswresample/swresample.h"
+
+#define VSYNC_AUTO -1
+#define VSYNC_PASSTHROUGH 0
+#define VSYNC_CFR 1
+#define VSYNC_VFR 2
+#define VSYNC_VSCFR 0xfe
+#define VSYNC_DROP 0xff
+
+#define MAX_STREAMS 1024 /* arbitrary sanity check value */
+
+enum HWAccelID {
+ HWACCEL_NONE = 0,
+ HWACCEL_AUTO,
+ HWACCEL_VDPAU,
+ HWACCEL_DXVA2,
+ HWACCEL_VDA,
+ HWACCEL_VIDEOTOOLBOX,
+ HWACCEL_QSV,
+ HWACCEL_VAAPI,
+ HWACCEL_CUVID,
+};
+
+typedef struct HWAccel {
+ const char *name;
+ int (*init)(AVCodecContext *s);
+ enum HWAccelID id;
+ enum AVPixelFormat pix_fmt;
+} HWAccel;
+
+/* select an input stream for an output stream */
+typedef struct StreamMap {
+ int disabled; /* 1 is this mapping is disabled by a negative map */
+ int file_index;
+ int stream_index;
+ int sync_file_index;
+ int sync_stream_index;
+ char *linklabel; /* name of an output link, for mapping lavfi outputs */
+} StreamMap;
+
+typedef struct {
+ int file_idx, stream_idx, channel_idx; // input
+ int ofile_idx, ostream_idx; // output
+} AudioChannelMap;
+
+typedef struct OptionsContext {
+ OptionGroup *g;
+
+ /* input/output options */
+ int64_t start_time;
+ int64_t start_time_eof;
+ int seek_timestamp;
+ const char *format;
+
+ SpecifierOpt *codec_names;
+ int nb_codec_names;
+ SpecifierOpt *audio_channels;
+ int nb_audio_channels;
+ SpecifierOpt *audio_sample_rate;
+ int nb_audio_sample_rate;
+ SpecifierOpt *frame_rates;
+ int nb_frame_rates;
+ SpecifierOpt *frame_sizes;
+ int nb_frame_sizes;
+ SpecifierOpt *frame_pix_fmts;
+ int nb_frame_pix_fmts;
+
+ /* input options */
+ int64_t input_ts_offset;
+ int loop;
+ int rate_emu;
+ int accurate_seek;
+ int thread_queue_size;
+
+ SpecifierOpt *ts_scale;
+ int nb_ts_scale;
+ SpecifierOpt *dump_attachment;
+ int nb_dump_attachment;
+ SpecifierOpt *hwaccels;
+ int nb_hwaccels;
+ SpecifierOpt *hwaccel_devices;
+ int nb_hwaccel_devices;
+ SpecifierOpt *hwaccel_output_formats;
+ int nb_hwaccel_output_formats;
+ SpecifierOpt *autorotate;
+ int nb_autorotate;
+
+ /* output options */
+ StreamMap *stream_maps;
+ int nb_stream_maps;
+ AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
+ int nb_audio_channel_maps; /* number of (valid) -map_channel settings */
+ int metadata_global_manual;
+ int metadata_streams_manual;
+ int metadata_chapters_manual;
+ const char **attachments;
+ int nb_attachments;
+
+ int chapters_input_file;
+
+ int64_t recording_time;
+ int64_t stop_time;
+ uint64_t limit_filesize;
+ float mux_preload;
+ float mux_max_delay;
+ int shortest;
+
+ int video_disable;
+ int audio_disable;
+ int subtitle_disable;
+ int data_disable;
+
+ /* indexed by output file stream index */
+ int *streamid_map;
+ int nb_streamid_map;
+
+ SpecifierOpt *metadata;
+ int nb_metadata;
+ SpecifierOpt *max_frames;
+ int nb_max_frames;
+ SpecifierOpt *bitstream_filters;
+ int nb_bitstream_filters;
+ SpecifierOpt *codec_tags;
+ int nb_codec_tags;
+ SpecifierOpt *sample_fmts;
+ int nb_sample_fmts;
+ SpecifierOpt *qscale;
+ int nb_qscale;
+ SpecifierOpt *forced_key_frames;
+ int nb_forced_key_frames;
+ SpecifierOpt *force_fps;
+ int nb_force_fps;
+ SpecifierOpt *frame_aspect_ratios;
+ int nb_frame_aspect_ratios;
+ SpecifierOpt *rc_overrides;
+ int nb_rc_overrides;
+ SpecifierOpt *intra_matrices;
+ int nb_intra_matrices;
+ SpecifierOpt *inter_matrices;
+ int nb_inter_matrices;
+ SpecifierOpt *chroma_intra_matrices;
+ int nb_chroma_intra_matrices;
+ SpecifierOpt *top_field_first;
+ int nb_top_field_first;
+ SpecifierOpt *metadata_map;
+ int nb_metadata_map;
+ SpecifierOpt *presets;
+ int nb_presets;
+ SpecifierOpt *copy_initial_nonkeyframes;
+ int nb_copy_initial_nonkeyframes;
+ SpecifierOpt *copy_prior_start;
+ int nb_copy_prior_start;
+ SpecifierOpt *filters;
+ int nb_filters;
+ SpecifierOpt *filter_scripts;
+ int nb_filter_scripts;
+ SpecifierOpt *reinit_filters;
+ int nb_reinit_filters;
+ SpecifierOpt *fix_sub_duration;
+ int nb_fix_sub_duration;
+ SpecifierOpt *canvas_sizes;
+ int nb_canvas_sizes;
+ SpecifierOpt *pass;
+ int nb_pass;
+ SpecifierOpt *passlogfiles;
+ int nb_passlogfiles;
+ SpecifierOpt *guess_layout_max;
+ int nb_guess_layout_max;
+ SpecifierOpt *apad;
+ int nb_apad;
+ SpecifierOpt *discard;
+ int nb_discard;
+ SpecifierOpt *disposition;
+ int nb_disposition;
+ SpecifierOpt *program;
+ int nb_program;
+} OptionsContext;
+
+typedef struct InputFilter {
+ AVFilterContext *filter;
+ struct InputStream *ist;
+ struct FilterGraph *graph;
+ uint8_t *name;
+} InputFilter;
+
+typedef struct OutputFilter {
+ AVFilterContext *filter;
+ struct OutputStream *ost;
+ struct FilterGraph *graph;
+ uint8_t *name;
+
+ /* temporary storage until stream maps are processed */
+ AVFilterInOut *out_tmp;
+ enum AVMediaType type;
+} OutputFilter;
+
+typedef struct FilterGraph {
+ int index;
+ const char *graph_desc;
+
+ AVFilterGraph *graph;
+ int reconfiguration;
+
+ InputFilter **inputs;
+ int nb_inputs;
+ OutputFilter **outputs;
+ int nb_outputs;
+} FilterGraph;
+
+typedef struct InputStream {
+ int file_index;
+ AVStream *st;
+ int discard; /* true if stream data should be discarded */
+ int user_set_discard;
+ int decoding_needed; /* non zero if the packets must be decoded in 'raw_fifo', see DECODING_FOR_* */
+#define DECODING_FOR_OST 1
+#define DECODING_FOR_FILTER 2
+
+ AVCodecContext *dec_ctx;
+ AVCodec *dec;
+ AVFrame *decoded_frame;
+ AVFrame *filter_frame; /* a ref of decoded_frame, to be sent to filters */
+
+ int64_t start; /* time when read started */
+ /* predicted dts of the next packet read for this stream or (when there are
+ * several frames in a packet) of the next frame in current packet (in AV_TIME_BASE units) */
+ int64_t next_dts;
+ int64_t dts; ///< dts of the last packet read for this stream (in AV_TIME_BASE units)
+
+ int64_t next_pts; ///< synthetic pts for the next decode frame (in AV_TIME_BASE units)
+ int64_t pts; ///< current pts of the decoded frame (in AV_TIME_BASE units)
+ int wrap_correction_done;
+
+ int64_t filter_in_rescale_delta_last;
+
+ int64_t min_pts; /* pts with the smallest value in a current stream */
+ int64_t max_pts; /* pts with the higher value in a current stream */
+ int64_t nb_samples; /* number of samples in the last decoded audio frame before looping */
+
+ double ts_scale;
+ int saw_first_ts;
+ int showed_multi_packet_warning;
+ AVDictionary *decoder_opts;
+ AVRational framerate; /* framerate forced with -r */
+ int top_field_first;
+ int guess_layout_max;
+
+ int autorotate;
+ int resample_height;
+ int resample_width;
+ int resample_pix_fmt;
+
+ int resample_sample_fmt;
+ int resample_sample_rate;
+ int resample_channels;
+ uint64_t resample_channel_layout;
+
+ int fix_sub_duration;
+ struct { /* previous decoded subtitle and related variables */
+ int got_output;
+ int ret;
+ AVSubtitle subtitle;
+ } prev_sub;
+
+ struct sub2video {
+ int64_t last_pts;
+ int64_t end_pts;
+ AVFrame *frame;
+ int w, h;
+ } sub2video;
+
+ int dr1;
+
+ /* decoded data from this stream goes into all those filters
+ * currently video and audio only */
+ InputFilter **filters;
+ int nb_filters;
+
+ int reinit_filters;
+
+ /* hwaccel options */
+ enum HWAccelID hwaccel_id;
+ char *hwaccel_device;
+ enum AVPixelFormat hwaccel_output_format;
+
+ /* hwaccel context */
+ enum HWAccelID active_hwaccel_id;
+ void *hwaccel_ctx;
+ void (*hwaccel_uninit)(AVCodecContext *s);
+ int (*hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags);
+ int (*hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame);
+ enum AVPixelFormat hwaccel_pix_fmt;
+ enum AVPixelFormat hwaccel_retrieved_pix_fmt;
+ AVBufferRef *hw_frames_ctx;
+
+ /* stats */
+ // combined size of all the packets read
+ uint64_t data_size;
+ /* number of packets successfully read for this stream */
+ uint64_t nb_packets;
+ // number of frames/samples retrieved from the decoder
+ uint64_t frames_decoded;
+ uint64_t samples_decoded;
+} InputStream;
+
+typedef struct InputFile {
+ AVFormatContext *ctx;
+ int eof_reached; /* true if eof reached */
+ int eagain; /* true if last read attempt returned EAGAIN */
+ int ist_index; /* index of first stream in input_streams */
+ int loop; /* set number of times input stream should be looped */
+ int64_t duration; /* actual duration of the longest stream in a file
+ at the moment when looping happens */
+ AVRational time_base; /* time base of the duration */
+ int64_t input_ts_offset;
+
+ int64_t ts_offset;
+ int64_t last_ts;
+ int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */
+ int seek_timestamp;
+ int64_t recording_time;
+ int nb_streams; /* number of stream that ffmpeg is aware of; may be different
+ from ctx.nb_streams if new streams appear during av_read_frame() */
+ int nb_streams_warn; /* number of streams that the user was warned of */
+ int rate_emu;
+ int accurate_seek;
+
+#if HAVE_PTHREADS
+ AVThreadMessageQueue *in_thread_queue;
+ pthread_t thread; /* thread reading from this file */
+ int non_blocking; /* reading packets from the thread should not block */
+ int joined; /* the thread has been joined */
+ int thread_queue_size; /* maximum number of queued packets */
+#endif
+} InputFile;
+
+enum forced_keyframes_const {
+ FKF_N,
+ FKF_N_FORCED,
+ FKF_PREV_FORCED_N,
+ FKF_PREV_FORCED_T,
+ FKF_T,
+ FKF_NB
+};
+
+#define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)
+
+extern const char *const forced_keyframes_const_names[];
+
+typedef enum {
+ ENCODER_FINISHED = 1,
+ MUXER_FINISHED = 2,
+} OSTFinished ;
+
+typedef struct OutputStream {
+ int file_index; /* file index */
+ int index; /* stream index in the output file */
+ int source_index; /* InputStream index */
+ AVStream *st; /* stream in the output file */
+ int encoding_needed; /* true if encoding needed for this stream */
+ int frame_number;
+ /* input pts and corresponding output pts
+ for A/V sync */
+ struct InputStream *sync_ist; /* input stream to sync against */
+ int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
+ /* pts of the first frame encoded for this stream, used for limiting
+ * recording time */
+ int64_t first_pts;
+ /* dts of the last packet sent to the muxer */
+ int64_t last_mux_dts;
+ AVBitStreamFilterContext *bitstream_filters;
+ AVCodecContext *enc_ctx;
+ AVCodec *enc;
+ int64_t max_frames;
+ AVFrame *filtered_frame;
+ AVFrame *last_frame;
+ int last_dropped;
+ int last_nb0_frames[3];
+
+ void *hwaccel_ctx;
+
+ /* video only */
+ AVRational frame_rate;
+ int is_cfr;
+ int force_fps;
+ int top_field_first;
+ int rotate_overridden;
+
+ AVRational frame_aspect_ratio;
+
+ /* forced key frames */
+ int64_t *forced_kf_pts;
+ int forced_kf_count;
+ int forced_kf_index;
+ char *forced_keyframes;
+ AVExpr *forced_keyframes_pexpr;
+ double forced_keyframes_expr_const_values[FKF_NB];
+
+ /* audio only */
+ int *audio_channels_map; /* list of the channels id to pick from the source stream */
+ int audio_channels_mapped; /* number of channels in audio_channels_map */
+
+ char *logfile_prefix;
+ FILE *logfile;
+
+ OutputFilter *filter;
+ char *avfilter;
+ char *filters; ///< filtergraph associated to the -filter option
+ char *filters_script; ///< filtergraph script associated to the -filter_script option
+
+ AVDictionary *encoder_opts;
+ AVDictionary *sws_dict;
+ AVDictionary *swr_opts;
+ AVDictionary *resample_opts;
+ char *apad;
+ OSTFinished finished; /* no more packets should be written for this stream */
+ int unavailable; /* true if the steram is unavailable (possibly temporarily) */
+ int stream_copy;
+ const char *attachment_filename;
+ int copy_initial_nonkeyframes;
+ int copy_prior_start;
+ char *disposition;
+
+ int keep_pix_fmt;
+
+ AVCodecParserContext *parser;
+
+ /* stats */
+ // combined size of all the packets written
+ uint64_t data_size;
+ // number of packets send to the muxer
+ uint64_t packets_written;
+ // number of frames/samples sent to the encoder
+ uint64_t frames_encoded;
+ uint64_t samples_encoded;
+
+ /* packet quality factor */
+ int quality;
+
+ /* packet picture type */
+ int pict_type;
+
+ /* frame encode sum of squared error values */
+ int64_t error[4];
+} OutputStream;
+
+typedef struct OutputFile {
+ AVFormatContext *ctx;
+ AVDictionary *opts;
+ int ost_index; /* index of the first stream in output_streams */
+ int64_t recording_time; ///< desired length of the resulting file in microseconds == AV_TIME_BASE units
+ int64_t start_time; ///< start time in microseconds == AV_TIME_BASE units
+ uint64_t limit_filesize; /* filesize limit expressed in bytes */
+
+ int shortest;
+} OutputFile;
+
+extern InputStream **input_streams;
+extern int nb_input_streams;
+extern InputFile **input_files;
+extern int nb_input_files;
+
+extern OutputStream **output_streams;
+extern int nb_output_streams;
+extern OutputFile **output_files;
+extern int nb_output_files;
+
+extern FilterGraph **filtergraphs;
+extern int nb_filtergraphs;
+
+extern char *vstats_filename;
+extern char *sdp_filename;
+
+extern float audio_drift_threshold;
+extern float dts_delta_threshold;
+extern float dts_error_threshold;
+
+extern int audio_volume;
+extern int audio_sync_method;
+extern int video_sync_method;
+extern float frame_drop_threshold;
+extern int do_benchmark;
+extern int do_benchmark_all;
+extern int do_deinterlace;
+extern int do_hex_dump;
+extern int do_pkt_dump;
+extern int copy_ts;
+extern int start_at_zero;
+extern int copy_tb;
+extern int debug_ts;
+extern int exit_on_error;
+extern int abort_on_flags;
+extern int print_stats;
+extern int qp_hist;
+extern int stdin_interaction;
+extern int frame_bits_per_raw_sample;
+extern AVIOContext *progress_avio;
+extern float max_error_rate;
+extern char *videotoolbox_pixfmt;
+
+extern const AVIOInterruptCB int_cb;
+
+extern const OptionDef options[];
+extern const HWAccel hwaccels[];
+extern int hwaccel_lax_profile_check;
+extern AVBufferRef *hw_device_ctx;
+
+
+void term_init(void);
+void term_exit(void);
+
+void reset_options(OptionsContext *o, int is_input);
+void show_usage(void);
+
+void opt_output_file(void *optctx, const char *filename);
+
+void remove_avoptions(AVDictionary **a, AVDictionary *b);
+void assert_avoptions(AVDictionary *m);
+
+int guess_input_channel_layout(InputStream *ist);
+
+enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodecContext *avctx, AVCodec *codec, enum AVPixelFormat target);
+void choose_sample_fmt(AVStream *st, AVCodec *codec);
+
+int configure_filtergraph(FilterGraph *fg);
+int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out);
+int ist_in_filtergraph(FilterGraph *fg, InputStream *ist);
+int filtergraph_is_simple(FilterGraph *fg);
- FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost);
++int init_simple_filtergraph(InputStream *ist, OutputStream *ost);
+int init_complex_filtergraph(FilterGraph *fg);
+
+int ffmpeg_parse_options(int argc, char **argv);
+
+int vdpau_init(AVCodecContext *s);
+int dxva2_init(AVCodecContext *s);
+int vda_init(AVCodecContext *s);
+int videotoolbox_init(AVCodecContext *s);
+int qsv_init(AVCodecContext *s);
+int qsv_transcode_init(OutputStream *ost);
+int vaapi_decode_init(AVCodecContext *avctx);
+int vaapi_device_init(const char *device);
+int cuvid_init(AVCodecContext *s);
+int cuvid_transcode_init(OutputStream *ost);
+
+#endif /* FFMPEG_H */
diff --cc ffmpeg_filter.c
index 0f8319f,0000000..76030cf
mode 100644,000000..100644
--- a/ffmpeg_filter.c
+++ b/ffmpeg_filter.c
@@@ -1,1108 -1,0 +1,1108 @@@
+/*
+ * ffmpeg filter configuration
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "ffmpeg.h"
+
+#include "libavfilter/avfilter.h"
+#include "libavfilter/buffersink.h"
+#include "libavfilter/buffersrc.h"
+
+#include "libavresample/avresample.h"
+
+#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/bprint.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/display.h"
+#include "libavutil/opt.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/pixfmt.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/samplefmt.h"
+
+static const enum AVPixelFormat *get_compliance_unofficial_pix_fmts(enum AVCodecID codec_id, const enum AVPixelFormat default_formats[])
+{
+ static const enum AVPixelFormat mjpeg_formats[] =
+ { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P,
+ AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P,
+ AV_PIX_FMT_NONE };
+ static const enum AVPixelFormat ljpeg_formats[] =
+ { AV_PIX_FMT_BGR24 , AV_PIX_FMT_BGRA , AV_PIX_FMT_BGR0,
+ AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P,
+ AV_PIX_FMT_YUV420P , AV_PIX_FMT_YUV444P , AV_PIX_FMT_YUV422P,
+ AV_PIX_FMT_NONE};
+
+ if (codec_id == AV_CODEC_ID_MJPEG) {
+ return mjpeg_formats;
+ } else if (codec_id == AV_CODEC_ID_LJPEG) {
+ return ljpeg_formats;
+ } else {
+ return default_formats;
+ }
+}
+
+enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodecContext *enc_ctx, AVCodec *codec, enum AVPixelFormat target)
+{
+ if (codec && codec->pix_fmts) {
+ const enum AVPixelFormat *p = codec->pix_fmts;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(target);
+ int has_alpha = desc ? desc->nb_components % 2 == 0 : 0;
+ enum AVPixelFormat best= AV_PIX_FMT_NONE;
+
+ if (enc_ctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
+ p = get_compliance_unofficial_pix_fmts(enc_ctx->codec_id, p);
+ }
+ for (; *p != AV_PIX_FMT_NONE; p++) {
+ best= avcodec_find_best_pix_fmt_of_2(best, *p, target, has_alpha, NULL);
+ if (*p == target)
+ break;
+ }
+ if (*p == AV_PIX_FMT_NONE) {
+ if (target != AV_PIX_FMT_NONE)
+ av_log(NULL, AV_LOG_WARNING,
+ "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
+ av_get_pix_fmt_name(target),
+ codec->name,
+ av_get_pix_fmt_name(best));
+ return best;
+ }
+ }
+ return target;
+}
+
+void choose_sample_fmt(AVStream *st, AVCodec *codec)
+{
+ if (codec && codec->sample_fmts) {
+ const enum AVSampleFormat *p = codec->sample_fmts;
+ for (; *p != -1; p++) {
+ if (*p == st->codec->sample_fmt)
+ break;
+ }
+ if (*p == -1) {
+ if((codec->capabilities & AV_CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
+ av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
+ if(av_get_sample_fmt_name(st->codec->sample_fmt))
+ av_log(NULL, AV_LOG_WARNING,
+ "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
+ av_get_sample_fmt_name(st->codec->sample_fmt),
+ codec->name,
+ av_get_sample_fmt_name(codec->sample_fmts[0]));
+ st->codec->sample_fmt = codec->sample_fmts[0];
+ }
+ }
+}
+
+static char *choose_pix_fmts(OutputStream *ost)
+{
+ AVDictionaryEntry *strict_dict = av_dict_get(ost->encoder_opts, "strict", NULL, 0);
+ if (strict_dict)
+ // used by choose_pixel_fmt() and below
+ av_opt_set(ost->enc_ctx, "strict", strict_dict->value, 0);
+
+ if (ost->keep_pix_fmt) {
+ if (ost->filter)
+ avfilter_graph_set_auto_convert(ost->filter->graph->graph,
+ AVFILTER_AUTO_CONVERT_NONE);
+ if (ost->enc_ctx->pix_fmt == AV_PIX_FMT_NONE)
+ return NULL;
+ return av_strdup(av_get_pix_fmt_name(ost->enc_ctx->pix_fmt));
+ }
+ if (ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE) {
+ return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc_ctx, ost->enc, ost->enc_ctx->pix_fmt)));
+ } else if (ost->enc && ost->enc->pix_fmts) {
+ const enum AVPixelFormat *p;
+ AVIOContext *s = NULL;
+ uint8_t *ret;
+ int len;
+
+ if (avio_open_dyn_buf(&s) < 0)
+ exit_program(1);
+
+ p = ost->enc->pix_fmts;
+ if (ost->enc_ctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
+ p = get_compliance_unofficial_pix_fmts(ost->enc_ctx->codec_id, p);
+ }
+
+ for (; *p != AV_PIX_FMT_NONE; p++) {
+ const char *name = av_get_pix_fmt_name(*p);
+ avio_printf(s, "%s|", name);
+ }
+ len = avio_close_dyn_buf(s, &ret);
+ ret[len - 1] = 0;
+ return ret;
+ } else
+ return NULL;
+}
+
+/* Define a function for building a string containing a list of
+ * allowed formats. */
+#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name) \
+static char *choose_ ## var ## s(OutputStream *ost) \
+{ \
+ if (ost->enc_ctx->var != none) { \
+ get_name(ost->enc_ctx->var); \
+ return av_strdup(name); \
+ } else if (ost->enc && ost->enc->supported_list) { \
+ const type *p; \
+ AVIOContext *s = NULL; \
+ uint8_t *ret; \
+ int len; \
+ \
+ if (avio_open_dyn_buf(&s) < 0) \
+ exit_program(1); \
+ \
+ for (p = ost->enc->supported_list; *p != none; p++) { \
+ get_name(*p); \
+ avio_printf(s, "%s|", name); \
+ } \
+ len = avio_close_dyn_buf(s, &ret); \
+ ret[len - 1] = 0; \
+ return ret; \
+ } else \
+ return NULL; \
+}
+
+// DEF_CHOOSE_FORMAT(enum AVPixelFormat, pix_fmt, pix_fmts, AV_PIX_FMT_NONE,
+// GET_PIX_FMT_NAME)
+
+DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
+ AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME)
+
+DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
+ GET_SAMPLE_RATE_NAME)
+
+DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
+ GET_CH_LAYOUT_NAME)
+
- FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
++int init_simple_filtergraph(InputStream *ist, OutputStream *ost)
+{
+ FilterGraph *fg = av_mallocz(sizeof(*fg));
+
+ if (!fg)
+ exit_program(1);
+ fg->index = nb_filtergraphs;
+
+ GROW_ARRAY(fg->outputs, fg->nb_outputs);
+ if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
+ exit_program(1);
+ fg->outputs[0]->ost = ost;
+ fg->outputs[0]->graph = fg;
+
+ ost->filter = fg->outputs[0];
+
+ GROW_ARRAY(fg->inputs, fg->nb_inputs);
+ if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
+ exit_program(1);
+ fg->inputs[0]->ist = ist;
+ fg->inputs[0]->graph = fg;
+
+ GROW_ARRAY(ist->filters, ist->nb_filters);
+ ist->filters[ist->nb_filters - 1] = fg->inputs[0];
+
+ GROW_ARRAY(filtergraphs, nb_filtergraphs);
+ filtergraphs[nb_filtergraphs - 1] = fg;
+
- return fg;
++ return 0;
+}
+
+static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
+{
+ InputStream *ist = NULL;
+ enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx);
+ int i;
+
+ // TODO: support other filter types
+ if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
+ av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
+ "currently.\n");
+ exit_program(1);
+ }
+
+ if (in->name) {
+ AVFormatContext *s;
+ AVStream *st = NULL;
+ char *p;
+ int file_idx = strtol(in->name, &p, 0);
+
+ if (file_idx < 0 || file_idx >= nb_input_files) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtergraph description %s.\n",
+ file_idx, fg->graph_desc);
+ exit_program(1);
+ }
+ s = input_files[file_idx]->ctx;
+
+ for (i = 0; i < s->nb_streams; i++) {
+ enum AVMediaType stream_type = s->streams[i]->codec->codec_type;
+ if (stream_type != type &&
+ !(stream_type == AVMEDIA_TYPE_SUBTITLE &&
+ type == AVMEDIA_TYPE_VIDEO /* sub2video hack */))
+ continue;
+ if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
+ st = s->streams[i];
+ break;
+ }
+ }
+ if (!st) {
+ av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
+ "matches no streams.\n", p, fg->graph_desc);
+ exit_program(1);
+ }
+ ist = input_streams[input_files[file_idx]->ist_index + st->index];
+ } else {
+ /* find the first unused stream of corresponding type */
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+ if (ist->dec_ctx->codec_type == type && ist->discard)
+ break;
+ }
+ if (i == nb_input_streams) {
+ av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
+ "unlabeled input pad %d on filter %s\n", in->pad_idx,
+ in->filter_ctx->name);
+ exit_program(1);
+ }
+ }
+ av_assert0(ist);
+
+ ist->discard = 0;
+ ist->decoding_needed |= DECODING_FOR_FILTER;
+ ist->st->discard = AVDISCARD_NONE;
+
+ GROW_ARRAY(fg->inputs, fg->nb_inputs);
+ if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
+ exit_program(1);
+ fg->inputs[fg->nb_inputs - 1]->ist = ist;
+ fg->inputs[fg->nb_inputs - 1]->graph = fg;
+
+ GROW_ARRAY(ist->filters, ist->nb_filters);
+ ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
+}
+
+int init_complex_filtergraph(FilterGraph *fg)
+{
+ AVFilterInOut *inputs, *outputs, *cur;
+ AVFilterGraph *graph;
+ int ret = 0;
+
+ /* this graph is only used for determining the kinds of inputs
+ * and outputs we have, and is discarded on exit from this function */
+ graph = avfilter_graph_alloc();
+ if (!graph)
+ return AVERROR(ENOMEM);
+
+ ret = avfilter_graph_parse2(graph, fg->graph_desc, &inputs, &outputs);
+ if (ret < 0)
+ goto fail;
+
+ for (cur = inputs; cur; cur = cur->next)
+ init_input_filter(fg, cur);
+
+ for (cur = outputs; cur;) {
+ GROW_ARRAY(fg->outputs, fg->nb_outputs);
+ fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]));
+ if (!fg->outputs[fg->nb_outputs - 1])
+ exit_program(1);
+
+ fg->outputs[fg->nb_outputs - 1]->graph = fg;
+ fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
+ fg->outputs[fg->nb_outputs - 1]->type = avfilter_pad_get_type(cur->filter_ctx->output_pads,
+ cur->pad_idx);
+ cur = cur->next;
+ fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
+ }
+
+fail:
+ avfilter_inout_free(&inputs);
+ avfilter_graph_free(&graph);
+ return ret;
+}
+
+static int insert_trim(int64_t start_time, int64_t duration,
+ AVFilterContext **last_filter, int *pad_idx,
+ const char *filter_name)
+{
+ AVFilterGraph *graph = (*last_filter)->graph;
+ AVFilterContext *ctx;
+ const AVFilter *trim;
+ enum AVMediaType type = avfilter_pad_get_type((*last_filter)->output_pads, *pad_idx);
+ const char *name = (type == AVMEDIA_TYPE_VIDEO) ? "trim" : "atrim";
+ int ret = 0;
+
+ if (duration == INT64_MAX && start_time == AV_NOPTS_VALUE)
+ return 0;
+
+ trim = avfilter_get_by_name(name);
+ if (!trim) {
+ av_log(NULL, AV_LOG_ERROR, "%s filter not present, cannot limit "
+ "recording time.\n", name);
+ return AVERROR_FILTER_NOT_FOUND;
+ }
+
+ ctx = avfilter_graph_alloc_filter(graph, trim, filter_name);
+ if (!ctx)
+ return AVERROR(ENOMEM);
+
+ if (duration != INT64_MAX) {
+ ret = av_opt_set_int(ctx, "durationi", duration,
+ AV_OPT_SEARCH_CHILDREN);
+ }
+ if (ret >= 0 && start_time != AV_NOPTS_VALUE) {
+ ret = av_opt_set_int(ctx, "starti", start_time,
+ AV_OPT_SEARCH_CHILDREN);
+ }
+ if (ret < 0) {
+ av_log(ctx, AV_LOG_ERROR, "Error configuring the %s filter", name);
+ return ret;
+ }
+
+ ret = avfilter_init_str(ctx, NULL);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(*last_filter, *pad_idx, ctx, 0);
+ if (ret < 0)
+ return ret;
+
+ *last_filter = ctx;
+ *pad_idx = 0;
+ return 0;
+}
+
+static int insert_filter(AVFilterContext **last_filter, int *pad_idx,
+ const char *filter_name, const char *args)
+{
+ AVFilterGraph *graph = (*last_filter)->graph;
+ AVFilterContext *ctx;
+ int ret;
+
+ ret = avfilter_graph_create_filter(&ctx,
+ avfilter_get_by_name(filter_name),
+ filter_name, args, NULL, graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(*last_filter, *pad_idx, ctx, 0);
+ if (ret < 0)
+ return ret;
+
+ *last_filter = ctx;
+ *pad_idx = 0;
+ return 0;
+}
+
+static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
+{
+ char *pix_fmts;
+ OutputStream *ost = ofilter->ost;
+ OutputFile *of = output_files[ost->file_index];
+ AVCodecContext *codec = ost->enc_ctx;
+ AVFilterContext *last_filter = out->filter_ctx;
+ int pad_idx = out->pad_idx;
+ int ret;
+ char name[255];
+
+ snprintf(name, sizeof(name), "output stream %d:%d", ost->file_index, ost->index);
+ ret = avfilter_graph_create_filter(&ofilter->filter,
+ avfilter_get_by_name("buffersink"),
+ name, NULL, NULL, fg->graph);
+
+ if (ret < 0)
+ return ret;
+
+ if (!hw_device_ctx && (codec->width || codec->height)) {
+ char args[255];
+ AVFilterContext *filter;
+ AVDictionaryEntry *e = NULL;
+
+ snprintf(args, sizeof(args), "%d:%d",
+ codec->width,
+ codec->height);
+
+ while ((e = av_dict_get(ost->sws_dict, "", e,
+ AV_DICT_IGNORE_SUFFIX))) {
+ av_strlcatf(args, sizeof(args), ":%s=%s", e->key, e->value);
+ }
+
+ snprintf(name, sizeof(name), "scaler for output stream %d:%d",
+ ost->file_index, ost->index);
+ if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
+ name, args, NULL, fg->graph)) < 0)
+ return ret;
+ if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
+ return ret;
+
+ last_filter = filter;
+ pad_idx = 0;
+ }
+
+ if ((pix_fmts = choose_pix_fmts(ost))) {
+ AVFilterContext *filter;
+ snprintf(name, sizeof(name), "pixel format for output stream %d:%d",
+ ost->file_index, ost->index);
+ ret = avfilter_graph_create_filter(&filter,
+ avfilter_get_by_name("format"),
+ "format", pix_fmts, NULL, fg->graph);
+ av_freep(&pix_fmts);
+ if (ret < 0)
+ return ret;
+ if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
+ return ret;
+
+ last_filter = filter;
+ pad_idx = 0;
+ }
+
+ if (ost->frame_rate.num && 0) {
+ AVFilterContext *fps;
+ char args[255];
+
+ snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num,
+ ost->frame_rate.den);
+ snprintf(name, sizeof(name), "fps for output stream %d:%d",
+ ost->file_index, ost->index);
+ ret = avfilter_graph_create_filter(&fps, avfilter_get_by_name("fps"),
+ name, args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(last_filter, pad_idx, fps, 0);
+ if (ret < 0)
+ return ret;
+ last_filter = fps;
+ pad_idx = 0;
+ }
+
+ snprintf(name, sizeof(name), "trim for output stream %d:%d",
+ ost->file_index, ost->index);
+ ret = insert_trim(of->start_time, of->recording_time,
+ &last_filter, &pad_idx, name);
+ if (ret < 0)
+ return ret;
+
+
+ if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
+ return ret;
+
+ return 0;
+}
+
+static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
+{
+ OutputStream *ost = ofilter->ost;
+ OutputFile *of = output_files[ost->file_index];
+ AVCodecContext *codec = ost->enc_ctx;
+ AVFilterContext *last_filter = out->filter_ctx;
+ int pad_idx = out->pad_idx;
+ char *sample_fmts, *sample_rates, *channel_layouts;
+ char name[255];
+ int ret;
+
+ snprintf(name, sizeof(name), "output stream %d:%d", ost->file_index, ost->index);
+ ret = avfilter_graph_create_filter(&ofilter->filter,
+ avfilter_get_by_name("abuffersink"),
+ name, NULL, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+ if ((ret = av_opt_set_int(ofilter->filter, "all_channel_counts", 1, AV_OPT_SEARCH_CHILDREN)) < 0)
+ return ret;
+
+#define AUTO_INSERT_FILTER(opt_name, filter_name, arg) do { \
+ AVFilterContext *filt_ctx; \
+ \
+ av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
+ "similarly to -af " filter_name "=%s.\n", arg); \
+ \
+ ret = avfilter_graph_create_filter(&filt_ctx, \
+ avfilter_get_by_name(filter_name), \
+ filter_name, arg, NULL, fg->graph); \
+ if (ret < 0) \
+ return ret; \
+ \
+ ret = avfilter_link(last_filter, pad_idx, filt_ctx, 0); \
+ if (ret < 0) \
+ return ret; \
+ \
+ last_filter = filt_ctx; \
+ pad_idx = 0; \
+} while (0)
+ if (ost->audio_channels_mapped) {
+ int i;
+ AVBPrint pan_buf;
+ av_bprint_init(&pan_buf, 256, 8192);
+ av_bprintf(&pan_buf, "0x%"PRIx64,
+ av_get_default_channel_layout(ost->audio_channels_mapped));
+ for (i = 0; i < ost->audio_channels_mapped; i++)
+ if (ost->audio_channels_map[i] != -1)
+ av_bprintf(&pan_buf, "|c%d=c%d", i, ost->audio_channels_map[i]);
+
+ AUTO_INSERT_FILTER("-map_channel", "pan", pan_buf.str);
+ av_bprint_finalize(&pan_buf, NULL);
+ }
+
+ if (codec->channels && !codec->channel_layout)
+ codec->channel_layout = av_get_default_channel_layout(codec->channels);
+
+ sample_fmts = choose_sample_fmts(ost);
+ sample_rates = choose_sample_rates(ost);
+ channel_layouts = choose_channel_layouts(ost);
+ if (sample_fmts || sample_rates || channel_layouts) {
+ AVFilterContext *format;
+ char args[256];
+ args[0] = 0;
+
+ if (sample_fmts)
+ av_strlcatf(args, sizeof(args), "sample_fmts=%s:",
+ sample_fmts);
+ if (sample_rates)
+ av_strlcatf(args, sizeof(args), "sample_rates=%s:",
+ sample_rates);
+ if (channel_layouts)
+ av_strlcatf(args, sizeof(args), "channel_layouts=%s:",
+ channel_layouts);
+
+ av_freep(&sample_fmts);
+ av_freep(&sample_rates);
+ av_freep(&channel_layouts);
+
+ snprintf(name, sizeof(name), "audio format for output stream %d:%d",
+ ost->file_index, ost->index);
+ ret = avfilter_graph_create_filter(&format,
+ avfilter_get_by_name("aformat"),
+ name, args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(last_filter, pad_idx, format, 0);
+ if (ret < 0)
+ return ret;
+
+ last_filter = format;
+ pad_idx = 0;
+ }
+
+ if (audio_volume != 256 && 0) {
+ char args[256];
+
+ snprintf(args, sizeof(args), "%f", audio_volume / 256.);
+ AUTO_INSERT_FILTER("-vol", "volume", args);
+ }
+
+ if (ost->apad && of->shortest) {
+ char args[256];
+ int i;
+
+ for (i=0; i<of->ctx->nb_streams; i++)
+ if (of->ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO)
+ break;
+
+ if (i<of->ctx->nb_streams) {
+ snprintf(args, sizeof(args), "%s", ost->apad);
+ AUTO_INSERT_FILTER("-apad", "apad", args);
+ }
+ }
+
+ snprintf(name, sizeof(name), "trim for output stream %d:%d",
+ ost->file_index, ost->index);
+ ret = insert_trim(of->start_time, of->recording_time,
+ &last_filter, &pad_idx, name);
+ if (ret < 0)
+ return ret;
+
+ if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
+ return ret;
+
+ return 0;
+}
+
+#define DESCRIBE_FILTER_LINK(f, inout, in) \
+{ \
+ AVFilterContext *ctx = inout->filter_ctx; \
+ AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads; \
+ int nb_pads = in ? ctx->nb_inputs : ctx->nb_outputs; \
+ AVIOContext *pb; \
+ \
+ if (avio_open_dyn_buf(&pb) < 0) \
+ exit_program(1); \
+ \
+ avio_printf(pb, "%s", ctx->filter->name); \
+ if (nb_pads > 1) \
+ avio_printf(pb, ":%s", avfilter_pad_get_name(pads, inout->pad_idx));\
+ avio_w8(pb, 0); \
+ avio_close_dyn_buf(pb, &f->name); \
+}
+
+int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
+{
+ av_freep(&ofilter->name);
+ DESCRIBE_FILTER_LINK(ofilter, out, 0);
+
+ if (!ofilter->ost) {
+ av_log(NULL, AV_LOG_FATAL, "Filter %s has an unconnected output\n", ofilter->name);
+ exit_program(1);
+ }
+
+ switch (avfilter_pad_get_type(out->filter_ctx->output_pads, out->pad_idx)) {
+ case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
+ case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
+ default: av_assert0(0);
+ }
+}
+
+static int sub2video_prepare(InputStream *ist)
+{
+ AVFormatContext *avf = input_files[ist->file_index]->ctx;
+ int i, w, h;
+
+ /* Compute the size of the canvas for the subtitles stream.
+ If the subtitles codec has set a size, use it. Otherwise use the
+ maximum dimensions of the video streams in the same file. */
+ w = ist->dec_ctx->width;
+ h = ist->dec_ctx->height;
+ if (!(w && h)) {
+ for (i = 0; i < avf->nb_streams; i++) {
+ if (avf->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ w = FFMAX(w, avf->streams[i]->codec->width);
+ h = FFMAX(h, avf->streams[i]->codec->height);
+ }
+ }
+ if (!(w && h)) {
+ w = FFMAX(w, 720);
+ h = FFMAX(h, 576);
+ }
+ av_log(avf, AV_LOG_INFO, "sub2video: using %dx%d canvas\n", w, h);
+ }
+ ist->sub2video.w = ist->resample_width = w;
+ ist->sub2video.h = ist->resample_height = h;
+
+ /* rectangles are AV_PIX_FMT_PAL8, but we have no guarantee that the
+ palettes for all rectangles are identical or compatible */
+ ist->resample_pix_fmt = ist->dec_ctx->pix_fmt = AV_PIX_FMT_RGB32;
+
+ ist->sub2video.frame = av_frame_alloc();
+ if (!ist->sub2video.frame)
+ return AVERROR(ENOMEM);
+ ist->sub2video.last_pts = INT64_MIN;
+ return 0;
+}
+
+static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
+ AVFilterInOut *in)
+{
+ AVFilterContext *last_filter;
+ const AVFilter *buffer_filt = avfilter_get_by_name("buffer");
+ InputStream *ist = ifilter->ist;
+ InputFile *f = input_files[ist->file_index];
+ AVRational tb = ist->framerate.num ? av_inv_q(ist->framerate) :
+ ist->st->time_base;
+ AVRational fr = ist->framerate;
+ AVRational sar;
+ AVBPrint args;
+ char name[255];
+ int ret, pad_idx = 0;
+ int64_t tsoffset = 0;
+ AVBufferSrcParameters *par = av_buffersrc_parameters_alloc();
+
+ if (!par)
+ return AVERROR(ENOMEM);
+ memset(par, 0, sizeof(*par));
+ par->format = AV_PIX_FMT_NONE;
+
+ if (ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) {
+ av_log(NULL, AV_LOG_ERROR, "Cannot connect video filter to audio input\n");
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ if (!fr.num)
+ fr = av_guess_frame_rate(input_files[ist->file_index]->ctx, ist->st, NULL);
+
+ if (ist->dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ ret = sub2video_prepare(ist);
+ if (ret < 0)
+ goto fail;
+ }
+
+ sar = ist->st->sample_aspect_ratio.num ?
+ ist->st->sample_aspect_ratio :
+ ist->dec_ctx->sample_aspect_ratio;
+ if(!sar.den)
+ sar = (AVRational){0,1};
+ av_bprint_init(&args, 0, 1);
+ av_bprintf(&args,
+ "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:"
+ "pixel_aspect=%d/%d:sws_param=flags=%d", ist->resample_width,
+ ist->resample_height,
+ ist->hwaccel_retrieve_data ? ist->hwaccel_retrieved_pix_fmt : ist->resample_pix_fmt,
+ tb.num, tb.den, sar.num, sar.den,
+ SWS_BILINEAR + ((ist->dec_ctx->flags&AV_CODEC_FLAG_BITEXACT) ? SWS_BITEXACT:0));
+ if (fr.num && fr.den)
+ av_bprintf(&args, ":frame_rate=%d/%d", fr.num, fr.den);
+ snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index,
+ ist->file_index, ist->st->index);
+
+
+ if ((ret = avfilter_graph_create_filter(&ifilter->filter, buffer_filt, name,
+ args.str, NULL, fg->graph)) < 0)
+ goto fail;
+ par->hw_frames_ctx = ist->hw_frames_ctx;
+ ret = av_buffersrc_parameters_set(ifilter->filter, par);
+ if (ret < 0)
+ goto fail;
+ av_freep(&par);
+ last_filter = ifilter->filter;
+
+ if (ist->autorotate) {
+ double theta = get_rotation(ist->st);
+
+ if (fabs(theta - 90) < 1.0) {
+ ret = insert_filter(&last_filter, &pad_idx, "transpose", "clock");
+ } else if (fabs(theta - 180) < 1.0) {
+ ret = insert_filter(&last_filter, &pad_idx, "hflip", NULL);
+ if (ret < 0)
+ return ret;
+ ret = insert_filter(&last_filter, &pad_idx, "vflip", NULL);
+ } else if (fabs(theta - 270) < 1.0) {
+ ret = insert_filter(&last_filter, &pad_idx, "transpose", "cclock");
+ } else if (fabs(theta) > 1.0) {
+ char rotate_buf[64];
+ snprintf(rotate_buf, sizeof(rotate_buf), "%f*PI/180", theta);
+ ret = insert_filter(&last_filter, &pad_idx, "rotate", rotate_buf);
+ }
+ if (ret < 0)
+ return ret;
+ }
+
+ if (ist->framerate.num) {
+ AVFilterContext *setpts;
+
+ snprintf(name, sizeof(name), "force CFR for input from stream %d:%d",
+ ist->file_index, ist->st->index);
+ if ((ret = avfilter_graph_create_filter(&setpts,
+ avfilter_get_by_name("setpts"),
+ name, "N", NULL,
+ fg->graph)) < 0)
+ return ret;
+
+ if ((ret = avfilter_link(last_filter, 0, setpts, 0)) < 0)
+ return ret;
+
+ last_filter = setpts;
+ }
+
+ if (do_deinterlace) {
+ AVFilterContext *yadif;
+
+ snprintf(name, sizeof(name), "deinterlace input from stream %d:%d",
+ ist->file_index, ist->st->index);
+ if ((ret = avfilter_graph_create_filter(&yadif,
+ avfilter_get_by_name("yadif"),
+ name, "", NULL,
+ fg->graph)) < 0)
+ return ret;
+
+ if ((ret = avfilter_link(last_filter, 0, yadif, 0)) < 0)
+ return ret;
+
+ last_filter = yadif;
+ }
+
+ snprintf(name, sizeof(name), "trim for input stream %d:%d",
+ ist->file_index, ist->st->index);
+ if (copy_ts) {
+ tsoffset = f->start_time == AV_NOPTS_VALUE ? 0 : f->start_time;
+ if (!start_at_zero && f->ctx->start_time != AV_NOPTS_VALUE)
+ tsoffset += f->ctx->start_time;
+ }
+ ret = insert_trim(((f->start_time == AV_NOPTS_VALUE) || !f->accurate_seek) ?
+ AV_NOPTS_VALUE : tsoffset, f->recording_time,
+ &last_filter, &pad_idx, name);
+ if (ret < 0)
+ return ret;
+
+ if ((ret = avfilter_link(last_filter, 0, in->filter_ctx, in->pad_idx)) < 0)
+ return ret;
+ return 0;
+fail:
+ av_freep(&par);
+
+ return ret;
+}
+
+static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
+ AVFilterInOut *in)
+{
+ AVFilterContext *last_filter;
+ const AVFilter *abuffer_filt = avfilter_get_by_name("abuffer");
+ InputStream *ist = ifilter->ist;
+ InputFile *f = input_files[ist->file_index];
+ AVBPrint args;
+ char name[255];
+ int ret, pad_idx = 0;
+ int64_t tsoffset = 0;
+
+ if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO) {
+ av_log(NULL, AV_LOG_ERROR, "Cannot connect audio filter to non audio input\n");
+ return AVERROR(EINVAL);
+ }
+
+ av_bprint_init(&args, 0, AV_BPRINT_SIZE_AUTOMATIC);
+ av_bprintf(&args, "time_base=%d/%d:sample_rate=%d:sample_fmt=%s",
+ 1, ist->dec_ctx->sample_rate,
+ ist->dec_ctx->sample_rate,
+ av_get_sample_fmt_name(ist->dec_ctx->sample_fmt));
+ if (ist->dec_ctx->channel_layout)
+ av_bprintf(&args, ":channel_layout=0x%"PRIx64,
+ ist->dec_ctx->channel_layout);
+ else
+ av_bprintf(&args, ":channels=%d", ist->dec_ctx->channels);
+ snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index,
+ ist->file_index, ist->st->index);
+
+ if ((ret = avfilter_graph_create_filter(&ifilter->filter, abuffer_filt,
+ name, args.str, NULL,
+ fg->graph)) < 0)
+ return ret;
+ last_filter = ifilter->filter;
+
+#define AUTO_INSERT_FILTER_INPUT(opt_name, filter_name, arg) do { \
+ AVFilterContext *filt_ctx; \
+ \
+ av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
+ "similarly to -af " filter_name "=%s.\n", arg); \
+ \
+ snprintf(name, sizeof(name), "graph %d %s for input stream %d:%d", \
+ fg->index, filter_name, ist->file_index, ist->st->index); \
+ ret = avfilter_graph_create_filter(&filt_ctx, \
+ avfilter_get_by_name(filter_name), \
+ name, arg, NULL, fg->graph); \
+ if (ret < 0) \
+ return ret; \
+ \
+ ret = avfilter_link(last_filter, 0, filt_ctx, 0); \
+ if (ret < 0) \
+ return ret; \
+ \
+ last_filter = filt_ctx; \
+} while (0)
+
+ if (audio_sync_method > 0) {
+ char args[256] = {0};
+
+ av_strlcatf(args, sizeof(args), "async=%d", audio_sync_method);
+ if (audio_drift_threshold != 0.1)
+ av_strlcatf(args, sizeof(args), ":min_hard_comp=%f", audio_drift_threshold);
+ if (!fg->reconfiguration)
+ av_strlcatf(args, sizeof(args), ":first_pts=0");
+ AUTO_INSERT_FILTER_INPUT("-async", "aresample", args);
+ }
+
+// if (ost->audio_channels_mapped) {
+// int i;
+// AVBPrint pan_buf;
+// av_bprint_init(&pan_buf, 256, 8192);
+// av_bprintf(&pan_buf, "0x%"PRIx64,
+// av_get_default_channel_layout(ost->audio_channels_mapped));
+// for (i = 0; i < ost->audio_channels_mapped; i++)
+// if (ost->audio_channels_map[i] != -1)
+// av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
+// AUTO_INSERT_FILTER_INPUT("-map_channel", "pan", pan_buf.str);
+// av_bprint_finalize(&pan_buf, NULL);
+// }
+
+ if (audio_volume != 256) {
+ char args[256];
+
+ av_log(NULL, AV_LOG_WARNING, "-vol has been deprecated. Use the volume "
+ "audio filter instead.\n");
+
+ snprintf(args, sizeof(args), "%f", audio_volume / 256.);
+ AUTO_INSERT_FILTER_INPUT("-vol", "volume", args);
+ }
+
+ snprintf(name, sizeof(name), "trim for input stream %d:%d",
+ ist->file_index, ist->st->index);
+ if (copy_ts) {
+ tsoffset = f->start_time == AV_NOPTS_VALUE ? 0 : f->start_time;
+ if (!start_at_zero && f->ctx->start_time != AV_NOPTS_VALUE)
+ tsoffset += f->ctx->start_time;
+ }
+ ret = insert_trim(((f->start_time == AV_NOPTS_VALUE) || !f->accurate_seek) ?
+ AV_NOPTS_VALUE : tsoffset, f->recording_time,
+ &last_filter, &pad_idx, name);
+ if (ret < 0)
+ return ret;
+
+ if ((ret = avfilter_link(last_filter, 0, in->filter_ctx, in->pad_idx)) < 0)
+ return ret;
+
+ return 0;
+}
+
+static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,
+ AVFilterInOut *in)
+{
+ av_freep(&ifilter->name);
+ DESCRIBE_FILTER_LINK(ifilter, in, 1);
+
+ if (!ifilter->ist->dec) {
+ av_log(NULL, AV_LOG_ERROR,
+ "No decoder for stream #%d:%d, filtering impossible\n",
+ ifilter->ist->file_index, ifilter->ist->st->index);
+ return AVERROR_DECODER_NOT_FOUND;
+ }
+ switch (avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx)) {
+ case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
+ case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
+ default: av_assert0(0);
+ }
+}
+
+int configure_filtergraph(FilterGraph *fg)
+{
+ AVFilterInOut *inputs, *outputs, *cur;
+ int ret, i, simple = filtergraph_is_simple(fg);
+ const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
+ fg->graph_desc;
+
+ avfilter_graph_free(&fg->graph);
+ if (!(fg->graph = avfilter_graph_alloc()))
+ return AVERROR(ENOMEM);
+
+ if (simple) {
+ OutputStream *ost = fg->outputs[0]->ost;
+ char args[512];
+ AVDictionaryEntry *e = NULL;
+
+ args[0] = 0;
+ while ((e = av_dict_get(ost->sws_dict, "", e,
+ AV_DICT_IGNORE_SUFFIX))) {
+ av_strlcatf(args, sizeof(args), "%s=%s:", e->key, e->value);
+ }
+ if (strlen(args))
+ args[strlen(args)-1] = 0;
+ fg->graph->scale_sws_opts = av_strdup(args);
+
+ args[0] = 0;
+ while ((e = av_dict_get(ost->swr_opts, "", e,
+ AV_DICT_IGNORE_SUFFIX))) {
+ av_strlcatf(args, sizeof(args), "%s=%s:", e->key, e->value);
+ }
+ if (strlen(args))
+ args[strlen(args)-1] = 0;
+ av_opt_set(fg->graph, "aresample_swr_opts", args, 0);
+
+ args[0] = '\0';
+ while ((e = av_dict_get(fg->outputs[0]->ost->resample_opts, "", e,
+ AV_DICT_IGNORE_SUFFIX))) {
+ av_strlcatf(args, sizeof(args), "%s=%s:", e->key, e->value);
+ }
+ if (strlen(args))
+ args[strlen(args) - 1] = '\0';
+ fg->graph->resample_lavr_opts = av_strdup(args);
+
+ e = av_dict_get(ost->encoder_opts, "threads", NULL, 0);
+ if (e)
+ av_opt_set(fg->graph, "threads", e->value, 0);
+ }
+
+ if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
+ return ret;
+
+ if (hw_device_ctx) {
+ for (i = 0; i < fg->graph->nb_filters; i++) {
+ fg->graph->filters[i]->hw_device_ctx = av_buffer_ref(hw_device_ctx);
+ }
+ }
+
+ if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
+ const char *num_inputs;
+ const char *num_outputs;
+ if (!outputs) {
+ num_outputs = "0";
+ } else if (outputs->next) {
+ num_outputs = ">1";
+ } else {
+ num_outputs = "1";
+ }
+ if (!inputs) {
+ num_inputs = "0";
+ } else if (inputs->next) {
+ num_inputs = ">1";
+ } else {
+ num_inputs = "1";
+ }
+ av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' was expected "
+ "to have exactly 1 input and 1 output."
+ " However, it had %s input(s) and %s output(s)."
+ " Please adjust, or use a complex filtergraph (-filter_complex) instead.\n",
+ graph_desc, num_inputs, num_outputs);
+ return AVERROR(EINVAL);
+ }
+
+ for (cur = inputs, i = 0; cur; cur = cur->next, i++)
+ if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0) {
+ avfilter_inout_free(&inputs);
+ avfilter_inout_free(&outputs);
+ return ret;
+ }
+ avfilter_inout_free(&inputs);
+
+ for (cur = outputs, i = 0; cur; cur = cur->next, i++)
+ configure_output_filter(fg, fg->outputs[i], cur);
+ avfilter_inout_free(&outputs);
+
+ if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
+ return ret;
+
+ fg->reconfiguration = 1;
+
+ for (i = 0; i < fg->nb_outputs; i++) {
+ OutputStream *ost = fg->outputs[i]->ost;
+ if (!ost->enc) {
+ /* identical to the same check in ffmpeg.c, needed because
+ complex filter graphs are initialized earlier */
+ av_log(NULL, AV_LOG_ERROR, "Encoder (codec %s) not found for output stream #%d:%d\n",
+ avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
+ return AVERROR(EINVAL);
+ }
+ if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
+ !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
+ av_buffersink_set_frame_size(ost->filter->filter,
+ ost->enc_ctx->frame_size);
+ }
+
+ return 0;
+}
+
+int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
+{
+ int i;
+ for (i = 0; i < fg->nb_inputs; i++)
+ if (fg->inputs[i]->ist == ist)
+ return 1;
+ return 0;
+}
+
+int filtergraph_is_simple(FilterGraph *fg)
+{
+ return !fg->graph_desc;
+}
diff --cc ffmpeg_opt.c
index 68bd090,0000000..d995b52
mode 100644,000000..100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@@ -1,3486 -1,0 +1,3498 @@@
+/*
+ * ffmpeg option parsing
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "ffmpeg.h"
+#include "cmdutils.h"
+
+#include "libavformat/avformat.h"
+
+#include "libavcodec/avcodec.h"
+
+#include "libavfilter/avfilter.h"
+
+#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/avutil.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/fifo.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/pixfmt.h"
+
+#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
+
+#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
+{\
+ int i, ret;\
+ for (i = 0; i < o->nb_ ## name; i++) {\
+ char *spec = o->name[i].specifier;\
+ if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
+ outvar = o->name[i].u.type;\
+ else if (ret < 0)\
+ exit_program(1);\
+ }\
+}
+
+#define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
+{\
+ int i;\
+ for (i = 0; i < o->nb_ ## name; i++) {\
+ char *spec = o->name[i].specifier;\
+ if (!strcmp(spec, mediatype))\
+ outvar = o->name[i].u.type;\
+ }\
+}
+
+const HWAccel hwaccels[] = {
+#if HAVE_VDPAU_X11
+ { "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU },
+#endif
+#if HAVE_DXVA2_LIB
+ { "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD },
+#endif
+#if CONFIG_VDA
+ { "vda", videotoolbox_init, HWACCEL_VDA, AV_PIX_FMT_VDA },
+#endif
+#if CONFIG_VIDEOTOOLBOX
+ { "videotoolbox", videotoolbox_init, HWACCEL_VIDEOTOOLBOX, AV_PIX_FMT_VIDEOTOOLBOX },
+#endif
+#if CONFIG_LIBMFX
+ { "qsv", qsv_init, HWACCEL_QSV, AV_PIX_FMT_QSV },
+#endif
+#if CONFIG_VAAPI
+ { "vaapi", vaapi_decode_init, HWACCEL_VAAPI, AV_PIX_FMT_VAAPI },
+#endif
+#if CONFIG_CUVID
+ { "cuvid", cuvid_init, HWACCEL_CUVID, AV_PIX_FMT_CUDA },
+#endif
+ { 0 },
+};
+int hwaccel_lax_profile_check = 0;
+AVBufferRef *hw_device_ctx;
+
+char *vstats_filename;
+char *sdp_filename;
+
+float audio_drift_threshold = 0.1;
+float dts_delta_threshold = 10;
+float dts_error_threshold = 3600*30;
+
+int audio_volume = 256;
+int audio_sync_method = 0;
+int video_sync_method = VSYNC_AUTO;
+float frame_drop_threshold = 0;
+int do_deinterlace = 0;
+int do_benchmark = 0;
+int do_benchmark_all = 0;
+int do_hex_dump = 0;
+int do_pkt_dump = 0;
+int copy_ts = 0;
+int start_at_zero = 0;
+int copy_tb = -1;
+int debug_ts = 0;
+int exit_on_error = 0;
+int abort_on_flags = 0;
+int print_stats = -1;
+int qp_hist = 0;
+int stdin_interaction = 1;
+int frame_bits_per_raw_sample = 0;
+float max_error_rate = 2.0/3;
+
+
+static int intra_only = 0;
+static int file_overwrite = 0;
+static int no_file_overwrite = 0;
+static int do_psnr = 0;
+static int input_sync;
+static int override_ffserver = 0;
+static int input_stream_potentially_available = 0;
+static int ignore_unknown_streams = 0;
+static int copy_unknown_streams = 0;
+
+static void uninit_options(OptionsContext *o)
+{
+ const OptionDef *po = options;
+ int i;
+
+ /* all OPT_SPEC and OPT_STRING can be freed in generic way */
+ while (po->name) {
+ void *dst = (uint8_t*)o + po->u.off;
+
+ if (po->flags & OPT_SPEC) {
+ SpecifierOpt **so = dst;
+ int i, *count = (int*)(so + 1);
+ for (i = 0; i < *count; i++) {
+ av_freep(&(*so)[i].specifier);
+ if (po->flags & OPT_STRING)
+ av_freep(&(*so)[i].u.str);
+ }
+ av_freep(so);
+ *count = 0;
+ } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
+ av_freep(dst);
+ po++;
+ }
+
+ for (i = 0; i < o->nb_stream_maps; i++)
+ av_freep(&o->stream_maps[i].linklabel);
+ av_freep(&o->stream_maps);
+ av_freep(&o->audio_channel_maps);
+ av_freep(&o->streamid_map);
+ av_freep(&o->attachments);
+}
+
+static void init_options(OptionsContext *o)
+{
+ memset(o, 0, sizeof(*o));
+
+ o->stop_time = INT64_MAX;
+ o->mux_max_delay = 0.7;
+ o->start_time = AV_NOPTS_VALUE;
+ o->start_time_eof = AV_NOPTS_VALUE;
+ o->recording_time = INT64_MAX;
+ o->limit_filesize = UINT64_MAX;
+ o->chapters_input_file = INT_MAX;
+ o->accurate_seek = 1;
+}
+
+static int show_hwaccels(void *optctx, const char *opt, const char *arg)
+{
+ int i;
+
+ printf("Hardware acceleration methods:\n");
+ for (i = 0; i < FF_ARRAY_ELEMS(hwaccels) - 1; i++) {
+ printf("%s\n", hwaccels[i].name);
+ }
+ printf("\n");
+ return 0;
+}
+
+/* return a copy of the input with the stream specifiers removed from the keys */
+static AVDictionary *strip_specifiers(AVDictionary *dict)
+{
+ AVDictionaryEntry *e = NULL;
+ AVDictionary *ret = NULL;
+
+ while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
+ char *p = strchr(e->key, ':');
+
+ if (p)
+ *p = 0;
+ av_dict_set(&ret, e->key, e->value, 0);
+ if (p)
+ *p = ':';
+ }
+ return ret;
+}
+
+static int opt_abort_on(void *optctx, const char *opt, const char *arg)
+{
+ static const AVOption opts[] = {
+ { "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
+ { "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
+ { NULL },
+ };
+ static const AVClass class = {
+ .class_name = "",
+ .item_name = av_default_item_name,
+ .option = opts,
+ .version = LIBAVUTIL_VERSION_INT,
+ };
+ const AVClass *pclass = &class;
+
+ return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags);
+}
+
+static int opt_sameq(void *optctx, const char *opt, const char *arg)
+{
+ av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
+ "If you are looking for an option to preserve the quality (which is not "
+ "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
+ opt, opt);
+ return AVERROR(EINVAL);
+}
+
+static int opt_video_channel(void *optctx, const char *opt, const char *arg)
+{
+ av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
+ return opt_default(optctx, "channel", arg);
+}
+
+static int opt_video_standard(void *optctx, const char *opt, const char *arg)
+{
+ av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
+ return opt_default(optctx, "standard", arg);
+}
+
+static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "codec:a", arg, options);
+}
+
+static int opt_video_codec(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "codec:v", arg, options);
+}
+
+static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "codec:s", arg, options);
+}
+
+static int opt_data_codec(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "codec:d", arg, options);
+}
+
+static int opt_map(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ StreamMap *m = NULL;
+ int i, negative = 0, file_idx;
+ int sync_file_idx = -1, sync_stream_idx = 0;
+ char *p, *sync;
+ char *map;
+ char *allow_unused;
+
+ if (*arg == '-') {
+ negative = 1;
+ arg++;
+ }
+ map = av_strdup(arg);
+ if (!map)
+ return AVERROR(ENOMEM);
+
+ /* parse sync stream first, just pick first matching stream */
+ if (sync = strchr(map, ',')) {
+ *sync = 0;
+ sync_file_idx = strtol(sync + 1, &sync, 0);
+ if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
+ exit_program(1);
+ }
+ if (*sync)
+ sync++;
+ for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
+ if (check_stream_specifier(input_files[sync_file_idx]->ctx,
+ input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
+ sync_stream_idx = i;
+ break;
+ }
+ if (i == input_files[sync_file_idx]->nb_streams) {
+ av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
+ "match any streams.\n", arg);
+ exit_program(1);
+ }
+ }
+
+
+ if (map[0] == '[') {
+ /* this mapping refers to lavfi output */
+ const char *c = map + 1;
+ GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
+ m = &o->stream_maps[o->nb_stream_maps - 1];
+ m->linklabel = av_get_token(&c, "]");
+ if (!m->linklabel) {
+ av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
+ exit_program(1);
+ }
+ } else {
+ if (allow_unused = strchr(map, '?'))
+ *allow_unused = 0;
+ file_idx = strtol(map, &p, 0);
+ if (file_idx >= nb_input_files || file_idx < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
+ exit_program(1);
+ }
+ if (negative)
+ /* disable some already defined maps */
+ for (i = 0; i < o->nb_stream_maps; i++) {
+ m = &o->stream_maps[i];
+ if (file_idx == m->file_index &&
+ check_stream_specifier(input_files[m->file_index]->ctx,
+ input_files[m->file_index]->ctx->streams[m->stream_index],
+ *p == ':' ? p + 1 : p) > 0)
+ m->disabled = 1;
+ }
+ else
+ for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
+ if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
+ *p == ':' ? p + 1 : p) <= 0)
+ continue;
+ GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
+ m = &o->stream_maps[o->nb_stream_maps - 1];
+
+ m->file_index = file_idx;
+ m->stream_index = i;
+
+ if (sync_file_idx >= 0) {
+ m->sync_file_index = sync_file_idx;
+ m->sync_stream_index = sync_stream_idx;
+ } else {
+ m->sync_file_index = file_idx;
+ m->sync_stream_index = i;
+ }
+ }
+ }
+
+ if (!m) {
+ if (allow_unused) {
+ av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg);
+ } else {
+ av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n"
+ "To ignore this, add a trailing '?' to the map.\n", arg);
+ exit_program(1);
+ }
+ }
+
+ av_freep(&map);
+ return 0;
+}
+
+static int opt_attach(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ GROW_ARRAY(o->attachments, o->nb_attachments);
+ o->attachments[o->nb_attachments - 1] = arg;
+ return 0;
+}
+
+static int opt_map_channel(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ int n;
+ AVStream *st;
+ AudioChannelMap *m;
+
+ GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
+ m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
+
+ /* muted channel syntax */
+ n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
+ if ((n == 1 || n == 3) && m->channel_idx == -1) {
+ m->file_idx = m->stream_idx = -1;
+ if (n == 1)
+ m->ofile_idx = m->ostream_idx = -1;
+ return 0;
+ }
+
+ /* normal syntax */
+ n = sscanf(arg, "%d.%d.%d:%d.%d",
+ &m->file_idx, &m->stream_idx, &m->channel_idx,
+ &m->ofile_idx, &m->ostream_idx);
+
+ if (n != 3 && n != 5) {
+ av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
+ "[file.stream.channel|-1][:syncfile:syncstream]\n");
+ exit_program(1);
+ }
+
+ if (n != 5) // only file.stream.channel specified
+ m->ofile_idx = m->ostream_idx = -1;
+
+ /* check input */
+ if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
+ m->file_idx);
+ exit_program(1);
+ }
+ if (m->stream_idx < 0 ||
+ m->stream_idx >= input_files[m->file_idx]->nb_streams) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
+ m->file_idx, m->stream_idx);
+ exit_program(1);
+ }
+ st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
+ if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
+ m->file_idx, m->stream_idx);
+ exit_program(1);
+ }
+ if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
+ av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
+ m->file_idx, m->stream_idx, m->channel_idx);
+ exit_program(1);
+ }
+ return 0;
+}
+
+static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
+{
+ av_free(sdp_filename);
+ sdp_filename = av_strdup(arg);
+ return 0;
+}
+
+#if CONFIG_VAAPI
+static int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
+{
+ int err;
+ err = vaapi_device_init(arg);
+ if (err < 0)
+ exit_program(1);
+ return 0;
+}
+#endif
+
+/**
+ * Parse a metadata specifier passed as 'arg' parameter.
+ * @param arg metadata string to parse
+ * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
+ * @param index for type c/p, chapter/program index is written here
+ * @param stream_spec for type s, the stream specifier is written here
+ */
+static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
+{
+ if (*arg) {
+ *type = *arg;
+ switch (*arg) {
+ case 'g':
+ break;
+ case 's':
+ if (*(++arg) && *arg != ':') {
+ av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
+ exit_program(1);
+ }
+ *stream_spec = *arg == ':' ? arg + 1 : "";
+ break;
+ case 'c':
+ case 'p':
+ if (*(++arg) == ':')
+ *index = strtol(++arg, NULL, 0);
+ break;
+ default:
+ av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
+ exit_program(1);
+ }
+ } else
+ *type = 'g';
+}
+
+static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
+{
+ AVDictionary **meta_in = NULL;
+ AVDictionary **meta_out = NULL;
+ int i, ret = 0;
+ char type_in, type_out;
+ const char *istream_spec = NULL, *ostream_spec = NULL;
+ int idx_in = 0, idx_out = 0;
+
+ parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
+ parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
+
+ if (!ic) {
+ if (type_out == 'g' || !*outspec)
+ o->metadata_global_manual = 1;
+ if (type_out == 's' || !*outspec)
+ o->metadata_streams_manual = 1;
+ if (type_out == 'c' || !*outspec)
+ o->metadata_chapters_manual = 1;
+ return 0;
+ }
+
+ if (type_in == 'g' || type_out == 'g')
+ o->metadata_global_manual = 1;
+ if (type_in == 's' || type_out == 's')
+ o->metadata_streams_manual = 1;
+ if (type_in == 'c' || type_out == 'c')
+ o->metadata_chapters_manual = 1;
+
+ /* ic is NULL when just disabling automatic mappings */
+ if (!ic)
+ return 0;
+
+#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
+ if ((index) < 0 || (index) >= (nb_elems)) {\
+ av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
+ (desc), (index));\
+ exit_program(1);\
+ }
+
+#define SET_DICT(type, meta, context, index)\
+ switch (type) {\
+ case 'g':\
+ meta = &context->metadata;\
+ break;\
+ case 'c':\
+ METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
+ meta = &context->chapters[index]->metadata;\
+ break;\
+ case 'p':\
+ METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
+ meta = &context->programs[index]->metadata;\
+ break;\
+ case 's':\
+ break; /* handled separately below */ \
+ default: av_assert0(0);\
+ }\
+
+ SET_DICT(type_in, meta_in, ic, idx_in);
+ SET_DICT(type_out, meta_out, oc, idx_out);
+
+ /* for input streams choose first matching stream */
+ if (type_in == 's') {
+ for (i = 0; i < ic->nb_streams; i++) {
+ if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
+ meta_in = &ic->streams[i]->metadata;
+ break;
+ } else if (ret < 0)
+ exit_program(1);
+ }
+ if (!meta_in) {
+ av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
+ exit_program(1);
+ }
+ }
+
+ if (type_out == 's') {
+ for (i = 0; i < oc->nb_streams; i++) {
+ if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
+ meta_out = &oc->streams[i]->metadata;
+ av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
+ } else if (ret < 0)
+ exit_program(1);
+ }
+ } else
+ av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
+
+ return 0;
+}
+
+static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ char buf[128];
+ int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
+ struct tm time = *gmtime((time_t*)&recording_timestamp);
+ if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
+ return -1;
+ parse_option(o, "metadata", buf, options);
+
+ av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
+ "tag instead.\n", opt);
+ return 0;
+}
+
+static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
+{
+ const AVCodecDescriptor *desc;
+ const char *codec_string = encoder ? "encoder" : "decoder";
+ AVCodec *codec;
+
+ codec = encoder ?
+ avcodec_find_encoder_by_name(name) :
+ avcodec_find_decoder_by_name(name);
+
+ if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
+ codec = encoder ? avcodec_find_encoder(desc->id) :
+ avcodec_find_decoder(desc->id);
+ if (codec)
+ av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
+ codec_string, codec->name, desc->name);
+ }
+
+ if (!codec) {
+ av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
+ exit_program(1);
+ }
+ if (codec->type != type) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
+ exit_program(1);
+ }
+ return codec;
+}
+
+static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
+{
+ char *codec_name = NULL;
+
+ MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
+ if (codec_name) {
+ AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
+ st->codec->codec_id = codec->id;
+ return codec;
+ } else
+ return avcodec_find_decoder(st->codec->codec_id);
+}
+
+/* Add all the streams from the given input file to the global
+ * list of input streams. */
+static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
+{
+ int i, ret;
+
+ for (i = 0; i < ic->nb_streams; i++) {
+ AVStream *st = ic->streams[i];
+ AVCodecContext *dec = st->codec;
+ InputStream *ist = av_mallocz(sizeof(*ist));
+ char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
+ char *hwaccel_output_format = NULL;
+ char *codec_tag = NULL;
+ char *next;
+ char *discard_str = NULL;
+ const AVOption *discard_opt = av_opt_find(dec, "skip_frame", NULL, 0, 0);
+
+ if (!ist)
+ exit_program(1);
+
+ GROW_ARRAY(input_streams, nb_input_streams);
+ input_streams[nb_input_streams - 1] = ist;
+
+ ist->st = st;
+ ist->file_index = nb_input_files;
+ ist->discard = 1;
+ st->discard = AVDISCARD_ALL;
+ ist->nb_samples = 0;
+ ist->min_pts = INT64_MAX;
+ ist->max_pts = INT64_MIN;
+
+ ist->ts_scale = 1.0;
+ MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
+
+ ist->autorotate = 1;
+ MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st);
+
+ MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
+ if (codec_tag) {
+ uint32_t tag = strtol(codec_tag, &next, 0);
+ if (*next)
+ tag = AV_RL32(codec_tag);
+ st->codec->codec_tag = tag;
+ }
+
+ ist->dec = choose_decoder(o, ic, st);
+ ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codec->codec_id, ic, st, ist->dec);
+
+ ist->reinit_filters = -1;
+ MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
+
+ MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
+ ist->user_set_discard = AVDISCARD_NONE;
+ if (discard_str && av_opt_eval_int(dec, discard_opt, discard_str, &ist->user_set_discard) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
+ discard_str);
+ exit_program(1);
+ }
+
+ ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
+
+ ist->dec_ctx = avcodec_alloc_context3(ist->dec);
+ if (!ist->dec_ctx) {
+ av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
+ exit_program(1);
+ }
+
+ ret = avcodec_copy_context(ist->dec_ctx, dec);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
+ exit_program(1);
+ }
+
+ switch (dec->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ if(!ist->dec)
+ ist->dec = avcodec_find_decoder(dec->codec_id);
+#if FF_API_EMU_EDGE
+ if (av_codec_get_lowres(dec)) {
+ dec->flags |= CODEC_FLAG_EMU_EDGE;
+ }
+#endif
+
+ ist->resample_height = ist->dec_ctx->height;
+ ist->resample_width = ist->dec_ctx->width;
+ ist->resample_pix_fmt = ist->dec_ctx->pix_fmt;
+
+ MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
+ if (framerate && av_parse_video_rate(&ist->framerate,
+ framerate) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
+ framerate);
+ exit_program(1);
+ }
+
+ ist->top_field_first = -1;
+ MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
+
+ MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
+ if (hwaccel) {
+ if (!strcmp(hwaccel, "none"))
+ ist->hwaccel_id = HWACCEL_NONE;
+ else if (!strcmp(hwaccel, "auto"))
+ ist->hwaccel_id = HWACCEL_AUTO;
+ else {
+ int i;
+ for (i = 0; hwaccels[i].name; i++) {
+ if (!strcmp(hwaccels[i].name, hwaccel)) {
+ ist->hwaccel_id = hwaccels[i].id;
+ break;
+ }
+ }
+
+ if (!ist->hwaccel_id) {
+ av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
+ hwaccel);
+ av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
+ for (i = 0; hwaccels[i].name; i++)
+ av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name);
+ av_log(NULL, AV_LOG_FATAL, "\n");
+ exit_program(1);
+ }
+ }
+ }
+
+ MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
+ if (hwaccel_device) {
+ ist->hwaccel_device = av_strdup(hwaccel_device);
+ if (!ist->hwaccel_device)
+ exit_program(1);
+ }
+
+ MATCH_PER_STREAM_OPT(hwaccel_output_formats, str,
+ hwaccel_output_format, ic, st);
+ if (hwaccel_output_format) {
+ ist->hwaccel_output_format = av_get_pix_fmt(hwaccel_output_format);
+ if (ist->hwaccel_output_format == AV_PIX_FMT_NONE) {
+ av_log(NULL, AV_LOG_FATAL, "Unrecognised hwaccel output "
+ "format: %s", hwaccel_output_format);
+ }
+ } else {
+ ist->hwaccel_output_format = AV_PIX_FMT_NONE;
+ }
+
+ ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
+
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ ist->guess_layout_max = INT_MAX;
+ MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
+ guess_input_channel_layout(ist);
+
+ ist->resample_sample_fmt = ist->dec_ctx->sample_fmt;
+ ist->resample_sample_rate = ist->dec_ctx->sample_rate;
+ ist->resample_channels = ist->dec_ctx->channels;
+ ist->resample_channel_layout = ist->dec_ctx->channel_layout;
+
+ break;
+ case AVMEDIA_TYPE_DATA:
+ case AVMEDIA_TYPE_SUBTITLE: {
+ char *canvas_size = NULL;
+ if(!ist->dec)
+ ist->dec = avcodec_find_decoder(dec->codec_id);
+ MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
+ MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
+ if (canvas_size &&
+ av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
+ exit_program(1);
+ }
+ break;
+ }
+ case AVMEDIA_TYPE_ATTACHMENT:
+ case AVMEDIA_TYPE_UNKNOWN:
+ break;
+ default:
+ abort();
+ }
+ }
+}
+
+static void assert_file_overwrite(const char *filename)
+{
+ if (file_overwrite && no_file_overwrite) {
+ fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
+ exit_program(1);
+ }
+
+ if (!file_overwrite) {
+ const char *proto_name = avio_find_protocol_name(filename);
+ if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
+ if (stdin_interaction && !no_file_overwrite) {
+ fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
+ fflush(stderr);
+ term_exit();
+ signal(SIGINT, SIG_DFL);
+ if (!read_yesno()) {
+ av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
+ exit_program(1);
+ }
+ term_init();
+ }
+ else {
+ av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
+ exit_program(1);
+ }
+ }
+ }
+}
+
+static void dump_attachment(AVStream *st, const char *filename)
+{
+ int ret;
+ AVIOContext *out = NULL;
+ AVDictionaryEntry *e;
+
+ if (!st->codec->extradata_size) {
+ av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
+ nb_input_files - 1, st->index);
+ return;
+ }
+ if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
+ filename = e->value;
+ if (!*filename) {
+ av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
+ "in stream #%d:%d.\n", nb_input_files - 1, st->index);
+ exit_program(1);
+ }
+
+ assert_file_overwrite(filename);
+
+ if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
+ filename);
+ exit_program(1);
+ }
+
+ avio_write(out, st->codec->extradata, st->codec->extradata_size);
+ avio_flush(out);
+ avio_close(out);
+}
+
+static int open_input_file(OptionsContext *o, const char *filename)
+{
+ InputFile *f;
+ AVFormatContext *ic;
+ AVInputFormat *file_iformat = NULL;
+ int err, i, ret;
+ int64_t timestamp;
+ AVDictionary **opts;
+ AVDictionary *unused_opts = NULL;
+ AVDictionaryEntry *e = NULL;
+ int orig_nb_streams; // number of streams before avformat_find_stream_info
+ char * video_codec_name = NULL;
+ char * audio_codec_name = NULL;
+ char *subtitle_codec_name = NULL;
+ char * data_codec_name = NULL;
+ int scan_all_pmts_set = 0;
+
+ if (o->format) {
+ if (!(file_iformat = av_find_input_format(o->format))) {
+ av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
+ exit_program(1);
+ }
+ }
+
+ if (!strcmp(filename, "-"))
+ filename = "pipe:";
+
+ stdin_interaction &= strncmp(filename, "pipe:", 5) &&
+ strcmp(filename, "/dev/stdin");
+
+ /* get default parameters from command line */
+ ic = avformat_alloc_context();
+ if (!ic) {
+ print_error(filename, AVERROR(ENOMEM));
+ exit_program(1);
+ }
+ if (o->nb_audio_sample_rate) {
+ av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
+ }
+ if (o->nb_audio_channels) {
+ /* because we set audio_channels based on both the "ac" and
+ * "channel_layout" options, we need to check that the specified
+ * demuxer actually has the "channels" option before setting it */
+ if (file_iformat && file_iformat->priv_class &&
+ av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
+ AV_OPT_SEARCH_FAKE_OBJ)) {
+ av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
+ }
+ }
+ if (o->nb_frame_rates) {
+ /* set the format-level framerate option;
+ * this is important for video grabbers, e.g. x11 */
+ if (file_iformat && file_iformat->priv_class &&
+ av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
+ AV_OPT_SEARCH_FAKE_OBJ)) {
+ av_dict_set(&o->g->format_opts, "framerate",
+ o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
+ }
+ }
+ if (o->nb_frame_sizes) {
+ av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
+ }
+ if (o->nb_frame_pix_fmts)
+ av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
+
+ MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
+ MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
+ MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
+ MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
+
+ ic->video_codec_id = video_codec_name ?
+ find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
+ ic->audio_codec_id = audio_codec_name ?
+ find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
+ ic->subtitle_codec_id= subtitle_codec_name ?
+ find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
+ ic->data_codec_id = data_codec_name ?
+ find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0)->id : AV_CODEC_ID_NONE;
+
+ if (video_codec_name)
+ av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0));
+ if (audio_codec_name)
+ av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0));
+ if (subtitle_codec_name)
+ av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0));
+ if (data_codec_name)
+ av_format_set_data_codec(ic, find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0));
+
+ ic->flags |= AVFMT_FLAG_NONBLOCK;
+ ic->interrupt_callback = int_cb;
+
+ if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
+ av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
+ scan_all_pmts_set = 1;
+ }
+ /* open the input file with generic avformat function */
+ err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
+ if (err < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ if (scan_all_pmts_set)
+ av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
+ remove_avoptions(&o->g->format_opts, o->g->codec_opts);
+ assert_avoptions(o->g->format_opts);
+
+ /* apply forced codec ids */
+ for (i = 0; i < ic->nb_streams; i++)
+ choose_decoder(o, ic, ic->streams[i]);
+
+ /* Set AVCodecContext options for avformat_find_stream_info */
+ opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
+ orig_nb_streams = ic->nb_streams;
+
+ /* If not enough info to get the stream parameters, we decode the
+ first frames to get it. (used in mpeg case for example) */
+ ret = avformat_find_stream_info(ic, opts);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
+ if (ic->nb_streams == 0) {
+ avformat_close_input(&ic);
+ exit_program(1);
+ }
+ }
+
+ if (o->start_time_eof != AV_NOPTS_VALUE) {
+ if (ic->duration>0) {
+ o->start_time = o->start_time_eof + ic->duration;
+ } else
+ av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename);
+ }
+ timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
+ /* add the stream start time */
+ if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE)
+ timestamp += ic->start_time;
+
+ /* if seeking requested, we execute it */
+ if (o->start_time != AV_NOPTS_VALUE) {
+ int64_t seek_timestamp = timestamp;
+
+ if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) {
+ int dts_heuristic = 0;
+ for (i=0; i<ic->nb_streams; i++) {
+ AVCodecContext *avctx = ic->streams[i]->codec;
+ if (avctx->has_b_frames)
+ dts_heuristic = 1;
+ }
+ if (dts_heuristic) {
+ seek_timestamp -= 3*AV_TIME_BASE / 23;
+ }
+ }
+ ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
+ filename, (double)timestamp / AV_TIME_BASE);
+ }
+ }
+
+ /* update the current parameters so that they match the one of the input stream */
+ add_input_streams(o, ic);
+
+ /* dump the file content */
+ av_dump_format(ic, nb_input_files, filename, 0);
+
+ GROW_ARRAY(input_files, nb_input_files);
+ f = av_mallocz(sizeof(*f));
+ if (!f)
+ exit_program(1);
+ input_files[nb_input_files - 1] = f;
+
+ f->ctx = ic;
+ f->ist_index = nb_input_streams - ic->nb_streams;
+ f->start_time = o->start_time;
+ f->recording_time = o->recording_time;
+ f->input_ts_offset = o->input_ts_offset;
+ f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
+ f->nb_streams = ic->nb_streams;
+ f->rate_emu = o->rate_emu;
+ f->accurate_seek = o->accurate_seek;
+ f->loop = o->loop;
+ f->duration = 0;
+ f->time_base = (AVRational){ 1, 1 };
+#if HAVE_PTHREADS
+ f->thread_queue_size = o->thread_queue_size > 0 ? o->thread_queue_size : 8;
+#endif
+
+ /* check if all codec options have been used */
+ unused_opts = strip_specifiers(o->g->codec_opts);
+ for (i = f->ist_index; i < nb_input_streams; i++) {
+ e = NULL;
+ while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
+ AV_DICT_IGNORE_SUFFIX)))
+ av_dict_set(&unused_opts, e->key, NULL, 0);
+ }
+
+ e = NULL;
+ while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
+ const AVClass *class = avcodec_get_class();
+ const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
+ const AVClass *fclass = avformat_get_class();
+ const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
+ if (!option || foption)
+ continue;
+
+
+ if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
+ av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
+ "input file #%d (%s) is not a decoding option.\n", e->key,
+ option->help ? option->help : "", nb_input_files - 1,
+ filename);
+ exit_program(1);
+ }
+
+ av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
+ "input file #%d (%s) has not been used for any stream. The most "
+ "likely reason is either wrong type (e.g. a video option with "
+ "no video streams) or that it is a private option of some decoder "
+ "which was not actually used for any stream.\n", e->key,
+ option->help ? option->help : "", nb_input_files - 1, filename);
+ }
+ av_dict_free(&unused_opts);
+
+ for (i = 0; i < o->nb_dump_attachment; i++) {
+ int j;
+
+ for (j = 0; j < ic->nb_streams; j++) {
+ AVStream *st = ic->streams[j];
+
+ if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
+ dump_attachment(st, o->dump_attachment[i].u.str);
+ }
+ }
+
+ for (i = 0; i < orig_nb_streams; i++)
+ av_dict_free(&opts[i]);
+ av_freep(&opts);
+
+ input_stream_potentially_available = 1;
+
+ return 0;
+}
+
+static uint8_t *get_line(AVIOContext *s)
+{
+ AVIOContext *line;
+ uint8_t *buf;
+ char c;
+
+ if (avio_open_dyn_buf(&line) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
+ exit_program(1);
+ }
+
+ while ((c = avio_r8(s)) && c != '\n')
+ avio_w8(line, c);
+ avio_w8(line, 0);
+ avio_close_dyn_buf(line, &buf);
+
+ return buf;
+}
+
+static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
+{
+ int i, ret = -1;
+ char filename[1000];
+ const char *base[3] = { getenv("AVCONV_DATADIR"),
+ getenv("HOME"),
+ AVCONV_DATADIR,
+ };
+
+ for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
+ if (!base[i])
+ continue;
+ if (codec_name) {
+ snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
+ i != 1 ? "" : "/.avconv", codec_name, preset_name);
+ ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
+ }
+ if (ret < 0) {
+ snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
+ i != 1 ? "" : "/.avconv", preset_name);
+ ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
+ }
+ }
+ return ret;
+}
+
+static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
+{
+ char *codec_name = NULL;
+
+ MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
+ if (!codec_name) {
+ ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
+ NULL, ost->st->codec->codec_type);
+ ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
+ } else if (!strcmp(codec_name, "copy"))
+ ost->stream_copy = 1;
+ else {
+ ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
+ ost->st->codec->codec_id = ost->enc->id;
+ }
+}
+
+static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
+{
+ OutputStream *ost;
+ AVStream *st = avformat_new_stream(oc, NULL);
+ int idx = oc->nb_streams - 1, ret = 0;
+ char *bsf = NULL, *next, *codec_tag = NULL;
+ AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
+ double qscale = -1;
+ int i;
+
+ if (!st) {
+ av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
+ exit_program(1);
+ }
+
+ if (oc->nb_streams - 1 < o->nb_streamid_map)
+ st->id = o->streamid_map[oc->nb_streams - 1];
+
+ GROW_ARRAY(output_streams, nb_output_streams);
+ if (!(ost = av_mallocz(sizeof(*ost))))
+ exit_program(1);
+ output_streams[nb_output_streams - 1] = ost;
+
+ ost->file_index = nb_output_files - 1;
+ ost->index = idx;
+ ost->st = st;
+ st->codec->codec_type = type;
+ choose_encoder(o, oc, ost);
+
+ ost->enc_ctx = avcodec_alloc_context3(ost->enc);
+ if (!ost->enc_ctx) {
+ av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
+ exit_program(1);
+ }
+ ost->enc_ctx->codec_type = type;
+
+ if (ost->enc) {
+ AVIOContext *s = NULL;
+ char *buf = NULL, *arg = NULL, *preset = NULL;
+
+ ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
+
+ MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
+ if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
+ do {
+ buf = get_line(s);
+ if (!buf[0] || buf[0] == '#') {
+ av_free(buf);
+ continue;
+ }
+ if (!(arg = strchr(buf, '='))) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
+ exit_program(1);
+ }
+ *arg++ = 0;
+ av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
+ av_free(buf);
+ } while (!s->eof_reached);
+ avio_closep(&s);
+ }
+ if (ret) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Preset %s specified for stream %d:%d, but could not be opened.\n",
+ preset, ost->file_index, ost->index);
+ exit_program(1);
+ }
+ } else {
+ ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
+ }
+
+ ost->max_frames = INT64_MAX;
+ MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
+ for (i = 0; i<o->nb_max_frames; i++) {
+ char *p = o->max_frames[i].specifier;
+ if (!*p && type != AVMEDIA_TYPE_VIDEO) {
+ av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
+ break;
+ }
+ }
+
+ ost->copy_prior_start = -1;
+ MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
+
+ MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
+ while (bsf) {
+ char *arg = NULL;
+ if (next = strchr(bsf, ','))
+ *next++ = 0;
+ if (arg = strchr(bsf, '='))
+ *arg++ = 0;
+ if (!(bsfc = av_bitstream_filter_init(bsf))) {
+ av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
+ exit_program(1);
+ }
+ if (bsfc_prev)
+ bsfc_prev->next = bsfc;
+ else
+ ost->bitstream_filters = bsfc;
+ if (arg)
+ if (!(bsfc->args = av_strdup(arg))) {
+ av_log(NULL, AV_LOG_FATAL, "Bitstream filter memory allocation failed\n");
+ exit_program(1);
+ }
+
+ bsfc_prev = bsfc;
+ bsf = next;
+ }
+
+ MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
+ if (codec_tag) {
+ uint32_t tag = strtol(codec_tag, &next, 0);
+ if (*next)
+ tag = AV_RL32(codec_tag);
+ ost->st->codec->codec_tag =
+ ost->enc_ctx->codec_tag = tag;
+ }
+
+ MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
+ if (qscale >= 0) {
+ ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
+ ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
+ }
+
+ MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
+ ost->disposition = av_strdup(ost->disposition);
+
+ if (oc->oformat->flags & AVFMT_GLOBALHEADER)
+ ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
+
+ av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
+
+ av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
+ if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
+ av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
+
+ av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
+
+ ost->source_index = source_index;
+ if (source_index >= 0) {
+ ost->sync_ist = input_streams[source_index];
+ input_streams[source_index]->discard = 0;
+ input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
+ }
+ ost->last_mux_dts = AV_NOPTS_VALUE;
+
+ return ost;
+}
+
+static void parse_matrix_coeffs(uint16_t *dest, const char *str)
+{
+ int i;
+ const char *p = str;
+ for (i = 0;; i++) {
+ dest[i] = atoi(p);
+ if (i == 63)
+ break;
+ p = strchr(p, ',');
+ if (!p) {
+ av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
+ exit_program(1);
+ }
+ p++;
+ }
+}
+
+/* read file contents into a string */
+static uint8_t *read_file(const char *filename)
+{
+ AVIOContext *pb = NULL;
+ AVIOContext *dyn_buf = NULL;
+ int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
+ uint8_t buf[1024], *str;
+
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
+ return NULL;
+ }
+
+ ret = avio_open_dyn_buf(&dyn_buf);
+ if (ret < 0) {
+ avio_closep(&pb);
+ return NULL;
+ }
+ while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
+ avio_write(dyn_buf, buf, ret);
+ avio_w8(dyn_buf, 0);
+ avio_closep(&pb);
+
+ ret = avio_close_dyn_buf(dyn_buf, &str);
+ if (ret < 0)
+ return NULL;
+ return str;
+}
+
+static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
+ OutputStream *ost)
+{
+ AVStream *st = ost->st;
+
+ if (ost->filters_script && ost->filters) {
+ av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
+ "output stream #%d:%d.\n", nb_output_files, st->index);
+ exit_program(1);
+ }
+
+ if (ost->filters_script)
+ return read_file(ost->filters_script);
+ else if (ost->filters)
+ return av_strdup(ost->filters);
+
+ return av_strdup(st->codec->codec_type == AVMEDIA_TYPE_VIDEO ?
+ "null" : "anull");
+}
+
+static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
+ const OutputStream *ost, enum AVMediaType type)
+{
+ if (ost->filters_script || ost->filters) {
+ av_log(NULL, AV_LOG_ERROR,
+ "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
+ "Filtering and streamcopy cannot be used together.\n",
+ ost->filters ? "Filtergraph" : "Filtergraph script",
+ ost->filters ? ost->filters : ost->filters_script,
+ av_get_media_type_string(type), ost->file_index, ost->index);
+ exit_program(1);
+ }
+}
+
+static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *video_enc;
+ char *frame_rate = NULL, *frame_aspect_ratio = NULL;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
+ st = ost->st;
+ video_enc = ost->enc_ctx;
+
+ MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
+ if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
+ exit_program(1);
+ }
+ if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
+ av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
+
+ MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
+ if (frame_aspect_ratio) {
+ AVRational q;
+ if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
+ q.num <= 0 || q.den <= 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
+ exit_program(1);
+ }
+ ost->frame_aspect_ratio = q;
+ }
+
+ MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
+ MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
+
+ if (!ost->stream_copy) {
+ const char *p = NULL;
+ char *frame_size = NULL;
+ char *frame_pix_fmt = NULL;
+ char *intra_matrix = NULL, *inter_matrix = NULL;
+ char *chroma_intra_matrix = NULL;
+ int do_pass = 0;
+ int i;
+
+ MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
+ if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
+ exit_program(1);
+ }
+
+ video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
+ MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
+ if (frame_pix_fmt && *frame_pix_fmt == '+') {
+ ost->keep_pix_fmt = 1;
+ if (!*++frame_pix_fmt)
+ frame_pix_fmt = NULL;
+ }
+ if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
+ av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
+ exit_program(1);
+ }
+ st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
+
+ if (intra_only)
+ video_enc->gop_size = 0;
+ MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
+ if (intra_matrix) {
+ if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
+ exit_program(1);
+ }
+ parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
+ }
+ MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
+ if (chroma_intra_matrix) {
+ uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
+ if (!p) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
+ exit_program(1);
+ }
+ av_codec_set_chroma_intra_matrix(video_enc, p);
+ parse_matrix_coeffs(p, chroma_intra_matrix);
+ }
+ MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
+ if (inter_matrix) {
+ if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
+ exit_program(1);
+ }
+ parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
+ }
+
+ MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
+ for (i = 0; p; i++) {
+ int start, end, q;
+ int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
+ if (e != 3) {
+ av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
+ exit_program(1);
+ }
+ video_enc->rc_override =
+ av_realloc_array(video_enc->rc_override,
+ i + 1, sizeof(RcOverride));
+ if (!video_enc->rc_override) {
+ av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
+ exit_program(1);
+ }
+ video_enc->rc_override[i].start_frame = start;
+ video_enc->rc_override[i].end_frame = end;
+ if (q > 0) {
+ video_enc->rc_override[i].qscale = q;
+ video_enc->rc_override[i].quality_factor = 1.0;
+ }
+ else {
+ video_enc->rc_override[i].qscale = 0;
+ video_enc->rc_override[i].quality_factor = -q/100.0;
+ }
+ p = strchr(p, '/');
+ if (p) p++;
+ }
+ video_enc->rc_override_count = i;
+
+ if (do_psnr)
+ video_enc->flags|= AV_CODEC_FLAG_PSNR;
+
+ /* two pass mode */
+ MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
+ if (do_pass) {
+ if (do_pass & 1) {
+ video_enc->flags |= AV_CODEC_FLAG_PASS1;
+ av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
+ }
+ if (do_pass & 2) {
+ video_enc->flags |= AV_CODEC_FLAG_PASS2;
+ av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
+ }
+ }
+
+ MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
+ if (ost->logfile_prefix &&
+ !(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
+ exit_program(1);
+
+ if (do_pass) {
+ char logfilename[1024];
+ FILE *f;
+
+ snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
+ ost->logfile_prefix ? ost->logfile_prefix :
+ DEFAULT_PASS_LOGFILENAME_PREFIX,
+ i);
+ if (!strcmp(ost->enc->name, "libx264")) {
+ av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
+ } else {
+ if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
+ char *logbuffer = read_file(logfilename);
+
+ if (!logbuffer) {
+ av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
+ logfilename);
+ exit_program(1);
+ }
+ video_enc->stats_in = logbuffer;
+ }
+ if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
+ f = av_fopen_utf8(logfilename, "wb");
+ if (!f) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Cannot write log file '%s' for pass-1 encoding: %s\n",
+ logfilename, strerror(errno));
+ exit_program(1);
+ }
+ ost->logfile = f;
+ }
+ }
+ }
+
+ MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
+ if (ost->forced_keyframes)
+ ost->forced_keyframes = av_strdup(ost->forced_keyframes);
+
+ MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
+
+ ost->top_field_first = -1;
+ MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
+
+
+ ost->avfilter = get_ost_filters(o, oc, ost);
+ if (!ost->avfilter)
+ exit_program(1);
+ } else {
+ MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
+ }
+
+ if (ost->stream_copy)
+ check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
+
+ return ost;
+}
+
+static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ int n;
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *audio_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
+ st = ost->st;
+
+ audio_enc = ost->enc_ctx;
+ audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
+
+ MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
+ MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
+
+ if (!ost->stream_copy) {
+ char *sample_fmt = NULL;
+
+ MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
+
+ MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
+ if (sample_fmt &&
+ (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
+ exit_program(1);
+ }
+
+ MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
+
+ MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
+ ost->apad = av_strdup(ost->apad);
+
+ ost->avfilter = get_ost_filters(o, oc, ost);
+ if (!ost->avfilter)
+ exit_program(1);
+
+ /* check for channel mapping for this audio stream */
+ for (n = 0; n < o->nb_audio_channel_maps; n++) {
+ AudioChannelMap *map = &o->audio_channel_maps[n];
+ if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
+ (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
+ InputStream *ist;
+
+ if (map->channel_idx == -1) {
+ ist = NULL;
+ } else if (ost->source_index < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
+ ost->file_index, ost->st->index);
+ continue;
+ } else {
+ ist = input_streams[ost->source_index];
+ }
+
+ if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
+ if (av_reallocp_array(&ost->audio_channels_map,
+ ost->audio_channels_mapped + 1,
+ sizeof(*ost->audio_channels_map)
+ ) < 0 )
+ exit_program(1);
+
+ ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
+ }
+ }
+ }
+ }
+
+ if (ost->stream_copy)
+ check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
+
+ return ost;
+}
+
+static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ OutputStream *ost;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
+ if (!ost->stream_copy) {
+ av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
+ exit_program(1);
+ }
+
+ return ost;
+}
+
+static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ OutputStream *ost;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
+ if (!ost->stream_copy) {
+ av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
+ exit_program(1);
+ }
+
+ return ost;
+}
+
+static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
+ ost->stream_copy = 1;
+ ost->finished = 1;
+ return ost;
+}
+
+static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+ AVStream *st;
+ OutputStream *ost;
+ AVCodecContext *subtitle_enc;
+
+ ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
+ st = ost->st;
+ subtitle_enc = ost->enc_ctx;
+
+ subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
+
+ MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
+
+ if (!ost->stream_copy) {
+ char *frame_size = NULL;
+
+ MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
+ if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
+ exit_program(1);
+ }
+ }
+
+ return ost;
+}
+
+/* arg format is "output-stream-index:streamid-value". */
+static int opt_streamid(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ int idx;
+ char *p;
+ char idx_str[16];
+
+ av_strlcpy(idx_str, arg, sizeof(idx_str));
+ p = strchr(idx_str, ':');
+ if (!p) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
+ arg, opt);
+ exit_program(1);
+ }
+ *p++ = '\0';
+ idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
+ o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
+ o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
+ return 0;
+}
+
+static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
+{
+ AVFormatContext *is = ifile->ctx;
+ AVFormatContext *os = ofile->ctx;
+ AVChapter **tmp;
+ int i;
+
+ tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
+ if (!tmp)
+ return AVERROR(ENOMEM);
+ os->chapters = tmp;
+
+ for (i = 0; i < is->nb_chapters; i++) {
+ AVChapter *in_ch = is->chapters[i], *out_ch;
+ int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
+ int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
+ AV_TIME_BASE_Q, in_ch->time_base);
+ int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
+ av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
+
+
+ if (in_ch->end < ts_off)
+ continue;
+ if (rt != INT64_MAX && in_ch->start > rt + ts_off)
+ break;
+
+ out_ch = av_mallocz(sizeof(AVChapter));
+ if (!out_ch)
+ return AVERROR(ENOMEM);
+
+ out_ch->id = in_ch->id;
+ out_ch->time_base = in_ch->time_base;
+ out_ch->start = FFMAX(0, in_ch->start - ts_off);
+ out_ch->end = FFMIN(rt, in_ch->end - ts_off);
+
+ if (copy_metadata)
+ av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
+
+ os->chapters[os->nb_chapters++] = out_ch;
+ }
+ return 0;
+}
+
+static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
+{
+ int i, err;
+ AVFormatContext *ic = avformat_alloc_context();
+
+ ic->interrupt_callback = int_cb;
+ err = avformat_open_input(&ic, filename, NULL, NULL);
+ if (err < 0)
+ return err;
+ /* copy stream format */
+ for(i=0;i<ic->nb_streams;i++) {
+ AVStream *st;
+ OutputStream *ost;
+ AVCodec *codec;
+ const char *enc_config;
+
+ codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
+ if (!codec) {
+ av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codec->codec_id);
+ return AVERROR(EINVAL);
+ }
+ if (codec->type == AVMEDIA_TYPE_AUDIO)
+ opt_audio_codec(o, "c:a", codec->name);
+ else if (codec->type == AVMEDIA_TYPE_VIDEO)
+ opt_video_codec(o, "c:v", codec->name);
+ ost = new_output_stream(o, s, codec->type, -1);
+ st = ost->st;
+
+ avcodec_get_context_defaults3(st->codec, codec);
+ enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]);
+ if (enc_config) {
+ AVDictionary *opts = NULL;
+ av_dict_parse_string(&opts, enc_config, "=", ",", 0);
+ av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN);
+ av_dict_free(&opts);
+ }
+
+ if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
+ choose_sample_fmt(st, codec);
+ else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
+ choose_pixel_fmt(st, st->codec, codec, st->codec->pix_fmt);
+ avcodec_copy_context(ost->enc_ctx, st->codec);
+ if (enc_config)
+ av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0);
+ }
+
+ avformat_close_input(&ic);
+ return err;
+}
+
+static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
+ AVFormatContext *oc)
+{
+ OutputStream *ost;
+
+ switch (ofilter->type) {
+ case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
+ case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
+ default:
+ av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
+ "currently.\n");
+ exit_program(1);
+ }
+
+ ost->source_index = -1;
+ ost->filter = ofilter;
+
+ ofilter->ost = ost;
+
+ if (ost->stream_copy) {
+ av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
+ "which is fed from a complex filtergraph. Filtering and streamcopy "
+ "cannot be used together.\n", ost->file_index, ost->index);
+ exit_program(1);
+ }
+
+ if (ost->avfilter && (ost->filters || ost->filters_script)) {
+ const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
+ av_log(NULL, AV_LOG_ERROR,
+ "%s '%s' was specified through the %s option "
+ "for output stream %d:%d, which is fed from a complex filtergraph.\n"
+ "%s and -filter_complex cannot be used together for the same stream.\n",
+ ost->filters ? "Filtergraph" : "Filtergraph script",
+ ost->filters ? ost->filters : ost->filters_script,
+ opt, ost->file_index, ost->index, opt);
+ exit_program(1);
+ }
+
+ avfilter_inout_free(&ofilter->out_tmp);
+}
+
+static int init_complex_filters(void)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < nb_filtergraphs; i++) {
+ ret = init_complex_filtergraph(filtergraphs[i]);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
+static int configure_complex_filters(void)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < nb_filtergraphs; i++)
- if (!filtergraphs[i]->graph &&
++ if (!filtergraph_is_simple(filtergraphs[i]) &&
+ (ret = configure_filtergraph(filtergraphs[i])) < 0)
+ return ret;
+ return 0;
+}
+
+static int open_output_file(OptionsContext *o, const char *filename)
+{
+ AVFormatContext *oc;
+ int i, j, err;
+ AVOutputFormat *file_oformat;
+ OutputFile *of;
+ OutputStream *ost;
+ InputStream *ist;
+ AVDictionary *unused_opts = NULL;
+ AVDictionaryEntry *e = NULL;
+
+
+ if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
+ o->stop_time = INT64_MAX;
+ av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
+ }
+
+ if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
+ int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
+ if (o->stop_time <= start_time) {
+ av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
+ exit_program(1);
+ } else {
+ o->recording_time = o->stop_time - start_time;
+ }
+ }
+
+ GROW_ARRAY(output_files, nb_output_files);
+ of = av_mallocz(sizeof(*of));
+ if (!of)
+ exit_program(1);
+ output_files[nb_output_files - 1] = of;
+
+ of->ost_index = nb_output_streams;
+ of->recording_time = o->recording_time;
+ of->start_time = o->start_time;
+ of->limit_filesize = o->limit_filesize;
+ of->shortest = o->shortest;
+ av_dict_copy(&of->opts, o->g->format_opts, 0);
+
+ if (!strcmp(filename, "-"))
+ filename = "pipe:";
+
+ err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
+ if (!oc) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+
+ of->ctx = oc;
+ if (o->recording_time != INT64_MAX)
+ oc->duration = o->recording_time;
+
+ file_oformat= oc->oformat;
+ oc->interrupt_callback = int_cb;
+
+ /* create streams for all unlabeled output pads */
+ for (i = 0; i < nb_filtergraphs; i++) {
+ FilterGraph *fg = filtergraphs[i];
+ for (j = 0; j < fg->nb_outputs; j++) {
+ OutputFilter *ofilter = fg->outputs[j];
+
+ if (!ofilter->out_tmp || ofilter->out_tmp->name)
+ continue;
+
+ switch (ofilter->type) {
+ case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
+ case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
+ case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
+ }
+ init_output_filter(ofilter, o, oc);
+ }
+ }
+
+ /* ffserver seeking with date=... needs a date reference */
+ if (!strcmp(file_oformat->name, "ffm") &&
+ av_strstart(filename, "http:", NULL)) {
+ int err = parse_option(o, "metadata", "creation_time=now", options);
+ if (err < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ }
+
+ if (!strcmp(file_oformat->name, "ffm") && !override_ffserver &&
+ av_strstart(filename, "http:", NULL)) {
+ int j;
+ /* special case for files sent to ffserver: we get the stream
+ parameters from ffserver */
+ int err = read_ffserver_streams(o, oc, filename);
+ if (err < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
+ ost = output_streams[j];
+ for (i = 0; i < nb_input_streams; i++) {
+ ist = input_streams[i];
+ if(ist->st->codec->codec_type == ost->st->codec->codec_type){
+ ost->sync_ist= ist;
+ ost->source_index= i;
+ if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
+ if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
+ ist->discard = 0;
+ ist->st->discard = ist->user_set_discard;
+ break;
+ }
+ }
+ if(!ost->sync_ist){
+ av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
+ exit_program(1);
+ }
+ }
+ } else if (!o->nb_stream_maps) {
+ char *subtitle_codec_name = NULL;
+ /* pick the "best" stream of each type */
+
+ /* video: highest resolution */
+ if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
+ int area = 0, idx = -1;
+ int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
+ for (i = 0; i < nb_input_streams; i++) {
+ int new_area;
+ ist = input_streams[i];
+ new_area = ist->st->codec->width * ist->st->codec->height + 100000000*!!ist->st->codec_info_nb_frames;
+ if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
+ new_area = 1;
+ if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
+ new_area > area) {
+ if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
+ continue;
+ area = new_area;
+ idx = i;
+ }
+ }
+ if (idx >= 0)
+ new_video_stream(o, oc, idx);
+ }
+
+ /* audio: most channels */
+ if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
+ int best_score = 0, idx = -1;
+ for (i = 0; i < nb_input_streams; i++) {
+ int score;
+ ist = input_streams[i];
+ score = ist->st->codec->channels + 100000000*!!ist->st->codec_info_nb_frames;
+ if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
+ score > best_score) {
+ best_score = score;
+ idx = i;
+ }
+ }
+ if (idx >= 0)
+ new_audio_stream(o, oc, idx);
+ }
+
+ /* subtitles: pick first */
+ MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
+ if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
+ for (i = 0; i < nb_input_streams; i++)
+ if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ AVCodecDescriptor const *input_descriptor =
+ avcodec_descriptor_get(input_streams[i]->st->codec->codec_id);
+ AVCodecDescriptor const *output_descriptor = NULL;
+ AVCodec const *output_codec =
+ avcodec_find_encoder(oc->oformat->subtitle_codec);
+ int input_props = 0, output_props = 0;
+ if (output_codec)
+ output_descriptor = avcodec_descriptor_get(output_codec->id);
+ if (input_descriptor)
+ input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
+ if (output_descriptor)
+ output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
+ if (subtitle_codec_name ||
+ input_props & output_props ||
+ // Map dvb teletext which has neither property to any output subtitle encoder
+ input_descriptor && output_descriptor &&
+ (!input_descriptor->props ||
+ !output_descriptor->props)) {
+ new_subtitle_stream(o, oc, i);
+ break;
+ }
+ }
+ }
+ /* Data only if codec id match */
+ if (!o->data_disable ) {
+ enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
+ for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
+ if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_DATA
+ && input_streams[i]->st->codec->codec_id == codec_id )
+ new_data_stream(o, oc, i);
+ }
+ }
+ } else {
+ for (i = 0; i < o->nb_stream_maps; i++) {
+ StreamMap *map = &o->stream_maps[i];
+
+ if (map->disabled)
+ continue;
+
+ if (map->linklabel) {
+ FilterGraph *fg;
+ OutputFilter *ofilter = NULL;
+ int j, k;
+
+ for (j = 0; j < nb_filtergraphs; j++) {
+ fg = filtergraphs[j];
+ for (k = 0; k < fg->nb_outputs; k++) {
+ AVFilterInOut *out = fg->outputs[k]->out_tmp;
+ if (out && !strcmp(out->name, map->linklabel)) {
+ ofilter = fg->outputs[k];
+ goto loop_end;
+ }
+ }
+ }
+loop_end:
+ if (!ofilter) {
+ av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
+ "in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
+ exit_program(1);
+ }
+ init_output_filter(ofilter, o, oc);
+ } else {
+ int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
+
+ ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
+ if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
+ continue;
+ if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
+ continue;
+ if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
+ continue;
+ if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
+ continue;
+
+ ost = NULL;
+ switch (ist->st->codec->codec_type) {
+ case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
+ case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
+ case AVMEDIA_TYPE_UNKNOWN:
+ if (copy_unknown_streams) {
+ ost = new_unknown_stream (o, oc, src_idx);
+ break;
+ }
+ default:
+ av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
+ "Cannot map stream #%d:%d - unsupported type.\n",
+ map->file_index, map->stream_index);
+ if (!ignore_unknown_streams) {
+ av_log(NULL, AV_LOG_FATAL,
+ "If you want unsupported types ignored instead "
+ "of failing, please use the -ignore_unknown option\n"
+ "If you want them copied, please use -copy_unknown\n");
+ exit_program(1);
+ }
+ }
+ if (ost)
+ ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
+ + map->sync_stream_index];
+ }
+ }
+ }
+
+ /* handle attached files */
+ for (i = 0; i < o->nb_attachments; i++) {
+ AVIOContext *pb;
+ uint8_t *attachment;
+ const char *p;
+ int64_t len;
+
+ if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
+ o->attachments[i]);
+ exit_program(1);
+ }
+ if ((len = avio_size(pb)) <= 0) {
+ av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
+ o->attachments[i]);
+ exit_program(1);
+ }
+ if (!(attachment = av_malloc(len))) {
+ av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
+ o->attachments[i]);
+ exit_program(1);
+ }
+ avio_read(pb, attachment, len);
+
+ ost = new_attachment_stream(o, oc, -1);
+ ost->stream_copy = 1;
+ ost->attachment_filename = o->attachments[i];
+ ost->finished = 1;
+ ost->st->codec->extradata = attachment;
+ ost->st->codec->extradata_size = len;
+
+ p = strrchr(o->attachments[i], '/');
+ av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
+ avio_closep(&pb);
+ }
+
+ for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
+ AVDictionaryEntry *e;
+ ost = output_streams[i];
+
+ if ((ost->stream_copy || ost->attachment_filename)
+ && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
+ && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
+ if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
+ exit_program(1);
+ }
+
+ if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
+ av_dump_format(oc, nb_output_files - 1, oc->filename, 1);
+ av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
+ exit_program(1);
+ }
+
+ /* check if all codec options have been used */
+ unused_opts = strip_specifiers(o->g->codec_opts);
+ for (i = of->ost_index; i < nb_output_streams; i++) {
+ e = NULL;
+ while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
+ AV_DICT_IGNORE_SUFFIX)))
+ av_dict_set(&unused_opts, e->key, NULL, 0);
+ }
+
+ e = NULL;
+ while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
+ const AVClass *class = avcodec_get_class();
+ const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
+ const AVClass *fclass = avformat_get_class();
+ const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
+ if (!option || foption)
+ continue;
+
+
+ if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
+ av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
+ "output file #%d (%s) is not an encoding option.\n", e->key,
+ option->help ? option->help : "", nb_output_files - 1,
+ filename);
+ exit_program(1);
+ }
+
+ // gop_timecode is injected by generic code but not always used
+ if (!strcmp(e->key, "gop_timecode"))
+ continue;
+
+ av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
+ "output file #%d (%s) has not been used for any stream. The most "
+ "likely reason is either wrong type (e.g. a video option with "
+ "no video streams) or that it is a private option of some encoder "
+ "which was not actually used for any stream.\n", e->key,
+ option->help ? option->help : "", nb_output_files - 1, filename);
+ }
+ av_dict_free(&unused_opts);
+
- /* set the encoding/decoding_needed flags */
++ /* set the encoding/decoding_needed flags and create simple filtergraphs*/
+ for (i = of->ost_index; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+
+ ost->encoding_needed = !ost->stream_copy;
+ if (ost->encoding_needed && ost->source_index >= 0) {
+ InputStream *ist = input_streams[ost->source_index];
+ ist->decoding_needed |= DECODING_FOR_OST;
++
++ if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
++ ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
++ err = init_simple_filtergraph(ist, ost);
++ if (err < 0) {
++ av_log(NULL, AV_LOG_ERROR,
++ "Error initializing a simple filtergraph between streams "
++ "%d:%d->%d:%d\n", ist->file_index, ost->source_index,
++ nb_output_files - 1, ost->st->index);
++ exit_program(1);
++ }
++ }
+ }
+ }
+
+ /* check filename in case of an image number is expected */
+ if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
+ if (!av_filename_number_test(oc->filename)) {
+ print_error(oc->filename, AVERROR(EINVAL));
+ exit_program(1);
+ }
+ }
+
+ if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
+ av_log(NULL, AV_LOG_ERROR,
+ "No input streams but output needs an input stream\n");
+ exit_program(1);
+ }
+
+ if (!(oc->oformat->flags & AVFMT_NOFILE)) {
+ /* test if it already exists to avoid losing precious files */
+ assert_file_overwrite(filename);
+
+ /* open the file */
+ if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
+ &oc->interrupt_callback,
+ &of->opts)) < 0) {
+ print_error(filename, err);
+ exit_program(1);
+ }
+ } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
+ assert_file_overwrite(filename);
+
+ if (o->mux_preload) {
+ av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
+ }
+ oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
+
+ /* copy metadata */
+ for (i = 0; i < o->nb_metadata_map; i++) {
+ char *p;
+ int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
+
+ if (in_file_index >= nb_input_files) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
+ exit_program(1);
+ }
+ copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
+ in_file_index >= 0 ?
+ input_files[in_file_index]->ctx : NULL, o);
+ }
+
+ /* copy chapters */
+ if (o->chapters_input_file >= nb_input_files) {
+ if (o->chapters_input_file == INT_MAX) {
+ /* copy chapters from the first input file that has them*/
+ o->chapters_input_file = -1;
+ for (i = 0; i < nb_input_files; i++)
+ if (input_files[i]->ctx->nb_chapters) {
+ o->chapters_input_file = i;
+ break;
+ }
+ } else {
+ av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
+ o->chapters_input_file);
+ exit_program(1);
+ }
+ }
+ if (o->chapters_input_file >= 0)
+ copy_chapters(input_files[o->chapters_input_file], of,
+ !o->metadata_chapters_manual);
+
+ /* copy global metadata by default */
+ if (!o->metadata_global_manual && nb_input_files){
+ av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
+ AV_DICT_DONT_OVERWRITE);
+ if(o->recording_time != INT64_MAX)
+ av_dict_set(&oc->metadata, "duration", NULL, 0);
+ av_dict_set(&oc->metadata, "creation_time", NULL, 0);
+ }
+ if (!o->metadata_streams_manual)
+ for (i = of->ost_index; i < nb_output_streams; i++) {
+ InputStream *ist;
+ if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
+ continue;
+ ist = input_streams[output_streams[i]->source_index];
+ av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
+ if (!output_streams[i]->stream_copy) {
+ av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
+ if (ist->autorotate)
+ av_dict_set(&output_streams[i]->st->metadata, "rotate", NULL, 0);
+ }
+ }
+
+ /* process manually set programs */
+ for (i = 0; i < o->nb_program; i++) {
+ const char *p = o->program[i].u.str;
+ int progid = i+1;
+ AVProgram *program;
+
+ while(*p) {
+ const char *p2 = av_get_token(&p, ":");
+ const char *to_dealloc = p2;
+ char *key;
+ if (!p2)
+ break;
+
+ if(*p) p++;
+
+ key = av_get_token(&p2, "=");
+ if (!key || !*p2) {
+ av_freep(&to_dealloc);
+ av_freep(&key);
+ break;
+ }
+ p2++;
+
+ if (!strcmp(key, "program_num"))
+ progid = strtol(p2, NULL, 0);
+ av_freep(&to_dealloc);
+ av_freep(&key);
+ }
+
+ program = av_new_program(oc, progid);
+
+ p = o->program[i].u.str;
+ while(*p) {
+ const char *p2 = av_get_token(&p, ":");
+ const char *to_dealloc = p2;
+ char *key;
+ if (!p2)
+ break;
+ if(*p) p++;
+
+ key = av_get_token(&p2, "=");
+ if (!key) {
+ av_log(NULL, AV_LOG_FATAL,
+ "No '=' character in program string %s.\n",
+ p2);
+ exit_program(1);
+ }
+ if (!*p2)
+ exit_program(1);
+ p2++;
+
+ if (!strcmp(key, "title")) {
+ av_dict_set(&program->metadata, "title", p2, 0);
+ } else if (!strcmp(key, "program_num")) {
+ } else if (!strcmp(key, "st")) {
+ int st_num = strtol(p2, NULL, 0);
+ av_program_add_stream_index(oc, progid, st_num);
+ } else {
+ av_log(NULL, AV_LOG_FATAL, "Unknown program key %s.\n", key);
+ exit_program(1);
+ }
+ av_freep(&to_dealloc);
+ av_freep(&key);
+ }
+ }
+
+ /* process manually set metadata */
+ for (i = 0; i < o->nb_metadata; i++) {
+ AVDictionary **m;
+ char type, *val;
+ const char *stream_spec;
+ int index = 0, j, ret = 0;
+
+ val = strchr(o->metadata[i].u.str, '=');
+ if (!val) {
+ av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
+ o->metadata[i].u.str);
+ exit_program(1);
+ }
+ *val++ = 0;
+
+ parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
+ if (type == 's') {
+ for (j = 0; j < oc->nb_streams; j++) {
+ ost = output_streams[nb_output_streams - oc->nb_streams + j];
+ if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
+ av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
+ if (!strcmp(o->metadata[i].u.str, "rotate")) {
+ ost->rotate_overridden = 1;
+ }
+ } else if (ret < 0)
+ exit_program(1);
+ }
+ }
+ else {
+ switch (type) {
+ case 'g':
+ m = &oc->metadata;
+ break;
+ case 'c':
+ if (index < 0 || index >= oc->nb_chapters) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
+ exit_program(1);
+ }
+ m = &oc->chapters[index]->metadata;
+ break;
+ case 'p':
+ if (index < 0 || index >= oc->nb_programs) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid program index %d in metadata specifier.\n", index);
+ exit_program(1);
+ }
+ m = &oc->programs[index]->metadata;
+ break;
+ default:
+ av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
+ exit_program(1);
+ }
+ av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
+ }
+ }
+
+ return 0;
+}
+
+static int opt_target(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
+ static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
+
+ if (!strncmp(arg, "pal-", 4)) {
+ norm = PAL;
+ arg += 4;
+ } else if (!strncmp(arg, "ntsc-", 5)) {
+ norm = NTSC;
+ arg += 5;
+ } else if (!strncmp(arg, "film-", 5)) {
+ norm = FILM;
+ arg += 5;
+ } else {
+ /* Try to determine PAL/NTSC by peeking in the input files */
+ if (nb_input_files) {
+ int i, j, fr;
+ for (j = 0; j < nb_input_files; j++) {
+ for (i = 0; i < input_files[j]->nb_streams; i++) {
+ AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
+ if (c->codec_type != AVMEDIA_TYPE_VIDEO ||
+ !c->time_base.num)
+ continue;
+ fr = c->time_base.den * 1000 / c->time_base.num;
+ if (fr == 25000) {
+ norm = PAL;
+ break;
+ } else if ((fr == 29970) || (fr == 23976)) {
+ norm = NTSC;
+ break;
+ }
+ }
+ if (norm != UNKNOWN)
+ break;
+ }
+ }
+ if (norm != UNKNOWN)
+ av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
+ }
+
+ if (norm == UNKNOWN) {
+ av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
+ av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
+ av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
+ exit_program(1);
+ }
+
+ if (!strcmp(arg, "vcd")) {
+ opt_video_codec(o, "c:v", "mpeg1video");
+ opt_audio_codec(o, "c:a", "mp2");
+ parse_option(o, "f", "vcd", options);
+
+ parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
+ parse_option(o, "r", frame_rates[norm], options);
+ opt_default(NULL, "g", norm == PAL ? "15" : "18");
+
+ opt_default(NULL, "b:v", "1150000");
+ opt_default(NULL, "maxrate:v", "1150000");
+ opt_default(NULL, "minrate:v", "1150000");
+ opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
+
+ opt_default(NULL, "b:a", "224000");
+ parse_option(o, "ar", "44100", options);
+ parse_option(o, "ac", "2", options);
+
+ opt_default(NULL, "packetsize", "2324");
+ opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
+
+ /* We have to offset the PTS, so that it is consistent with the SCR.
+ SCR starts at 36000, but the first two packs contain only padding
+ and the first pack from the other stream, respectively, may also have
+ been written before.
+ So the real data starts at SCR 36000+3*1200. */
+ o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
+ } else if (!strcmp(arg, "svcd")) {
+
+ opt_video_codec(o, "c:v", "mpeg2video");
+ opt_audio_codec(o, "c:a", "mp2");
+ parse_option(o, "f", "svcd", options);
+
+ parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
+ parse_option(o, "r", frame_rates[norm], options);
+ parse_option(o, "pix_fmt", "yuv420p", options);
+ opt_default(NULL, "g", norm == PAL ? "15" : "18");
+
+ opt_default(NULL, "b:v", "2040000");
+ opt_default(NULL, "maxrate:v", "2516000");
+ opt_default(NULL, "minrate:v", "0"); // 1145000;
+ opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
+ opt_default(NULL, "scan_offset", "1");
+
+ opt_default(NULL, "b:a", "224000");
+ parse_option(o, "ar", "44100", options);
+
+ opt_default(NULL, "packetsize", "2324");
+
+ } else if (!strcmp(arg, "dvd")) {
+
+ opt_video_codec(o, "c:v", "mpeg2video");
+ opt_audio_codec(o, "c:a", "ac3");
+ parse_option(o, "f", "dvd", options);
+
+ parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
+ parse_option(o, "r", frame_rates[norm], options);
+ parse_option(o, "pix_fmt", "yuv420p", options);
+ opt_default(NULL, "g", norm == PAL ? "15" : "18");
+
+ opt_default(NULL, "b:v", "6000000");
+ opt_default(NULL, "maxrate:v", "9000000");
+ opt_default(NULL, "minrate:v", "0"); // 1500000;
+ opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
+
+ opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
+ opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
+
+ opt_default(NULL, "b:a", "448000");
+ parse_option(o, "ar", "48000", options);
+
+ } else if (!strncmp(arg, "dv", 2)) {
+
+ parse_option(o, "f", "dv", options);
+
+ parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
+ parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
+ norm == PAL ? "yuv420p" : "yuv411p", options);
+ parse_option(o, "r", frame_rates[norm], options);
+
+ parse_option(o, "ar", "48000", options);
+ parse_option(o, "ac", "2", options);
+
+ } else {
+ av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
+ return AVERROR(EINVAL);
+ }
+
+ av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
+ av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
+
+ return 0;
+}
+
+static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
+{
+ av_free (vstats_filename);
+ vstats_filename = av_strdup (arg);
+ return 0;
+}
+
+static int opt_vstats(void *optctx, const char *opt, const char *arg)
+{
+ char filename[40];
+ time_t today2 = time(NULL);
+ struct tm *today = localtime(&today2);
+
+ if (!today) { // maybe tomorrow
+ av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
+ exit_program(1);
+ }
+
+ snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
+ today->tm_sec);
+ return opt_vstats_file(NULL, opt, filename);
+}
+
+static int opt_video_frames(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "frames:v", arg, options);
+}
+
+static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "frames:a", arg, options);
+}
+
+static int opt_data_frames(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "frames:d", arg, options);
+}
+
+static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
+{
+ int ret;
+ AVDictionary *cbak = codec_opts;
+ AVDictionary *fbak = format_opts;
+ codec_opts = NULL;
+ format_opts = NULL;
+
+ ret = opt_default(NULL, opt, arg);
+
+ av_dict_copy(&o->g->codec_opts , codec_opts, 0);
+ av_dict_copy(&o->g->format_opts, format_opts, 0);
+ av_dict_free(&codec_opts);
+ av_dict_free(&format_opts);
+ codec_opts = cbak;
+ format_opts = fbak;
+
+ return ret;
+}
+
+static int opt_preset(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ FILE *f=NULL;
+ char filename[1000], line[1000], tmp_line[1000];
+ const char *codec_name = NULL;
+
+ tmp_line[0] = *opt;
+ tmp_line[1] = 0;
+ MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
+
+ if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
+ if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
+ av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
+ }else
+ av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
+ exit_program(1);
+ }
+
+ while (fgets(line, sizeof(line), f)) {
+ char *key = tmp_line, *value, *endptr;
+
+ if (strcspn(line, "#\n\r") == 0)
+ continue;
+ av_strlcpy(tmp_line, line, sizeof(tmp_line));
+ if (!av_strtok(key, "=", &value) ||
+ !av_strtok(value, "\r\n", &endptr)) {
+ av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
+ exit_program(1);
+ }
+ av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
+
+ if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
+ else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
+ else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
+ else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
+ else if (opt_default_new(o, key, value) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
+ filename, line, key, value);
+ exit_program(1);
+ }
+ }
+
+ fclose(f);
+
+ return 0;
+}
+
+static int opt_old2new(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ char *s = av_asprintf("%s:%c", opt + 1, *opt);
+ int ret = parse_option(o, s, arg, options);
+ av_free(s);
+ return ret;
+}
+
+static int opt_bitrate(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+
+ if(!strcmp(opt, "ab")){
+ av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
+ return 0;
+ } else if(!strcmp(opt, "b")){
+ av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
+ av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
+ return 0;
+ }
+ av_dict_set(&o->g->codec_opts, opt, arg, 0);
+ return 0;
+}
+
+static int opt_qscale(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ char *s;
+ int ret;
+ if(!strcmp(opt, "qscale")){
+ av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
+ return parse_option(o, "q:v", arg, options);
+ }
+ s = av_asprintf("q%s", opt + 6);
+ ret = parse_option(o, s, arg, options);
+ av_free(s);
+ return ret;
+}
+
+static int opt_profile(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ if(!strcmp(opt, "profile")){
+ av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
+ av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
+ return 0;
+ }
+ av_dict_set(&o->g->codec_opts, opt, arg, 0);
+ return 0;
+}
+
+static int opt_video_filters(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "filter:v", arg, options);
+}
+
+static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "filter:a", arg, options);
+}
+
+static int opt_vsync(void *optctx, const char *opt, const char *arg)
+{
+ if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
+ else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
+ else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
+ else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
+
+ if (video_sync_method == VSYNC_AUTO)
+ video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
+ return 0;
+}
+
+static int opt_timecode(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ char *tcr = av_asprintf("timecode=%s", arg);
+ int ret = parse_option(o, "metadata:g", tcr, options);
+ if (ret >= 0)
+ ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
+ av_free(tcr);
+ return 0;
+}
+
+static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ char layout_str[32];
+ char *stream_str;
+ char *ac_str;
+ int ret, channels, ac_str_size;
+ uint64_t layout;
+
+ layout = av_get_channel_layout(arg);
+ if (!layout) {
+ av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
+ return AVERROR(EINVAL);
+ }
+ snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
+ ret = opt_default_new(o, opt, layout_str);
+ if (ret < 0)
+ return ret;
+
+ /* set 'ac' option based on channel layout */
+ channels = av_get_channel_layout_nb_channels(layout);
+ snprintf(layout_str, sizeof(layout_str), "%d", channels);
+ stream_str = strchr(opt, ':');
+ ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
+ ac_str = av_mallocz(ac_str_size);
+ if (!ac_str)
+ return AVERROR(ENOMEM);
+ av_strlcpy(ac_str, "ac", 3);
+ if (stream_str)
+ av_strlcat(ac_str, stream_str, ac_str_size);
+ ret = parse_option(o, ac_str, layout_str, options);
+ av_free(ac_str);
+
+ return ret;
+}
+
+static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
+{
+ OptionsContext *o = optctx;
+ return parse_option(o, "q:a", arg, options);
+}
+
+static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
+{
+ GROW_ARRAY(filtergraphs, nb_filtergraphs);
+ if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
+ return AVERROR(ENOMEM);
+ filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
+ filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
+ if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
+ return AVERROR(ENOMEM);
+
+ input_stream_potentially_available = 1;
+
+ return 0;
+}
+
+static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
+{
+ uint8_t *graph_desc = read_file(arg);
+ if (!graph_desc)
+ return AVERROR(EINVAL);
+
+ GROW_ARRAY(filtergraphs, nb_filtergraphs);
+ if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
+ return AVERROR(ENOMEM);
+ filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
+ filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
+
+ input_stream_potentially_available = 1;
+
+ return 0;
+}
+
+void show_help_default(const char *opt, const char *arg)
+{
+ /* per-file options have at least one of those set */
+ const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
+ int show_advanced = 0, show_avoptions = 0;
+
+ if (opt && *opt) {
+ if (!strcmp(opt, "long"))
+ show_advanced = 1;
+ else if (!strcmp(opt, "full"))
+ show_advanced = show_avoptions = 1;
+ else
+ av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
+ }
+
+ show_usage();
+
+ printf("Getting help:\n"
+ " -h -- print basic options\n"
+ " -h long -- print more options\n"
+ " -h full -- print all options (including all format and codec specific options, very long)\n"
+ " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter\n"
+ " See man %s for detailed description of the options.\n"
+ "\n", program_name);
+
+ show_help_options(options, "Print help / information / capabilities:",
+ OPT_EXIT, 0, 0);
+
+ show_help_options(options, "Global options (affect whole program "
+ "instead of just one file:",
+ 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
+ if (show_advanced)
+ show_help_options(options, "Advanced global options:", OPT_EXPERT,
+ per_file | OPT_EXIT, 0);
+
+ show_help_options(options, "Per-file main options:", 0,
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
+ OPT_EXIT, per_file);
+ if (show_advanced)
+ show_help_options(options, "Advanced per-file options:",
+ OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
+
+ show_help_options(options, "Video options:",
+ OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
+ if (show_advanced)
+ show_help_options(options, "Advanced Video options:",
+ OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
+
+ show_help_options(options, "Audio options:",
+ OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
+ if (show_advanced)
+ show_help_options(options, "Advanced Audio options:",
+ OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
+ show_help_options(options, "Subtitle options:",
+ OPT_SUBTITLE, 0, 0);
+ printf("\n");
+
+ if (show_avoptions) {
+ int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
+ show_help_children(avcodec_get_class(), flags);
+ show_help_children(avformat_get_class(), flags);
+#if CONFIG_SWSCALE
+ show_help_children(sws_get_class(), flags);
+#endif
+ show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
+ show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
+ }
+}
+
+void show_usage(void)
+{
+ av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
+ av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
+ av_log(NULL, AV_LOG_INFO, "\n");
+}
+
+enum OptGroup {
+ GROUP_OUTFILE,
+ GROUP_INFILE,
+};
+
+static const OptionGroupDef groups[] = {
+ [GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT },
+ [GROUP_INFILE] = { "input file", "i", OPT_INPUT },
+};
+
+static int open_files(OptionGroupList *l, const char *inout,
+ int (*open_file)(OptionsContext*, const char*))
+{
+ int i, ret;
+
+ for (i = 0; i < l->nb_groups; i++) {
+ OptionGroup *g = &l->groups[i];
+ OptionsContext o;
+
+ init_options(&o);
+ o.g = g;
+
+ ret = parse_optgroup(&o, g);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
+ "%s.\n", inout, g->arg);
+ return ret;
+ }
+
+ av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
+ ret = open_file(&o, g->arg);
+ uninit_options(&o);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
+ inout, g->arg);
+ return ret;
+ }
+ av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
+ }
+
+ return 0;
+}
+
+int ffmpeg_parse_options(int argc, char **argv)
+{
+ OptionParseContext octx;
+ uint8_t error[128];
+ int ret;
+
+ memset(&octx, 0, sizeof(octx));
+
+ /* split the commandline into an internal representation */
+ ret = split_commandline(&octx, argc, argv, options, groups,
+ FF_ARRAY_ELEMS(groups));
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
+ goto fail;
+ }
+
+ /* apply global options */
+ ret = parse_optgroup(NULL, &octx.global_opts);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
+ goto fail;
+ }
+
+ /* open input files */
+ ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
+ goto fail;
+ }
+
+ /* create the complex filtergraphs */
+ ret = init_complex_filters();
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
+ goto fail;
+ }
+
+ /* open output files */
+ ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
+ goto fail;
+ }
+
+ /* configure the complex filtergraphs */
+ ret = configure_complex_filters();
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error configuring complex filters.\n");
+ goto fail;
+ }
+
+fail:
+ uninit_parse_context(&octx);
+ if (ret < 0) {
+ av_strerror(ret, error, sizeof(error));
+ av_log(NULL, AV_LOG_FATAL, "%s\n", error);
+ }
+ return ret;
+}
+
+static int opt_progress(void *optctx, const char *opt, const char *arg)
+{
+ AVIOContext *avio = NULL;
+ int ret;
+
+ if (!strcmp(arg, "-"))
+ arg = "pipe:";
+ ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
+ arg, av_err2str(ret));
+ return ret;
+ }
+ progress_avio = avio;
+ return 0;
+}
+
+#define OFFSET(x) offsetof(OptionsContext, x)
+const OptionDef options[] = {
+ /* main options */
+#include "cmdutils_common_opts.h"
+ { "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
+ "force format", "fmt" },
+ { "y", OPT_BOOL, { &file_overwrite },
+ "overwrite output files" },
+ { "n", OPT_BOOL, { &no_file_overwrite },
+ "never overwrite output files" },
+ { "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams },
+ "Ignore unknown stream types" },
+ { "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams },
+ "Copy unknown stream types" },
+ { "c", HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
+ "codec name", "codec" },
+ { "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
+ "codec name", "codec" },
+ { "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(presets) },
+ "preset name", "preset" },
+ { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_OUTPUT, { .func_arg = opt_map },
+ "set input stream mapping",
+ "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
+ { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
+ "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
+ { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(metadata_map) },
+ "set metadata information of outfile from infile",
+ "outfile[,metadata]:infile[,metadata]" },
+ { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
+ OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
+ "set chapters mapping", "input_file_index" },
+ { "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
+ "record or transcode \"duration\" seconds of audio/video",
+ "duration" },
+ { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) },
+ "record or transcode stop time", "time_stop" },
+ { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
+ "set the limit file size in bytes", "limit_size" },
+ { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
+ "set the start time offset", "time_off" },
+ { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time_eof) },
+ "set the start time offset relative to EOF", "time_off" },
+ { "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
+ OPT_INPUT, { .off = OFFSET(seek_timestamp) },
+ "enable/disable seeking by timestamp with -ss" },
+ { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
+ OPT_INPUT, { .off = OFFSET(accurate_seek) },
+ "enable/disable accurate seeking with -ss" },
+ { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
+ OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
+ "set the input ts offset", "time_off" },
+ { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
+ OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
+ "set the input ts scale", "scale" },
+ { "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp },
+ "set the recording timestamp ('now' to set the current time)", "time" },
+ { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
+ "add metadata", "string=string" },
+ { "program", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(program) },
+ "add program with specified streams", "title=string:st=number..." },
+ { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
+ OPT_OUTPUT, { .func_arg = opt_data_frames },
+ "set the number of data frames to output", "number" },
+ { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
+ "add timings for benchmarking" },
+ { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
+ "add timings for each task" },
+ { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
+ "write program-readable progress information", "url" },
+ { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
+ "enable or disable interaction on standard input" },
+ { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
+ "set max runtime in seconds", "limit" },
+ { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
+ "dump each input packet" },
+ { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
+ "when dumping packets, also dump the payload" },
+ { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
+ OPT_INPUT, { .off = OFFSET(rate_emu) },
+ "read input at native frame rate", "" },
+ { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
+ "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
+ "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
+ { "vsync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vsync },
+ "video sync method", "" },
+ { "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
+ "frame drop threshold", "" },
+ { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
+ "audio sync method", "" },
+ { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
+ "audio drift threshold", "threshold" },
+ { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
+ "copy timestamps" },
+ { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
+ "shift input timestamps to start at 0 when using copyts" },
+ { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
+ "copy input stream time base when stream copying", "mode" },
+ { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
+ OPT_OUTPUT, { .off = OFFSET(shortest) },
+ "finish encoding within shortest input" },
+ { "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(apad) },
+ "audio pad", "" },
+ { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
+ "timestamp discontinuity delta threshold", "threshold" },
+ { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
+ "timestamp error delta threshold", "threshold" },
+ { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
+ "exit on error", "error" },
+ { "abort_on", HAS_ARG | OPT_EXPERT, { .func_arg = opt_abort_on },
+ "abort on the specified condition flags", "flags" },
+ { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
+ "copy initial non-keyframes" },
+ { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
+ "copy or discard frames before start time" },
+ { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
+ "set the number of frames to output", "number" },
+ { "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
+ OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
+ "force codec tag/fourcc", "fourcc/tag" },
+ { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
+ OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
+ "use fixed quality scale (VBR)", "q" },
+ { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_OUTPUT, { .func_arg = opt_qscale },
+ "use fixed quality scale (VBR)", "q" },
+ { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
+ "set profile", "profile" },
+ { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
+ "set stream filtergraph", "filter_graph" },
+ { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
+ "read stream filtergraph description from a file", "filename" },
+ { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
+ "reinit filtergraph on input parameter changes", "" },
+ { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
+ "create a complex filtergraph", "graph_description" },
+ { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
+ "create a complex filtergraph", "graph_description" },
+ { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
+ "read complex filtergraph description from a file", "filename" },
+ { "stats", OPT_BOOL, { &print_stats },
+ "print progress report during encoding", },
+ { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
+ OPT_OUTPUT, { .func_arg = opt_attach },
+ "add an attachment to the output file", "filename" },
+ { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
+ "extract an attachment into a file", "filename" },
+ { "stream_loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT |
+ OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
+ { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
+ "print timestamp debugging info" },
+ { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
+ "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." },
+ { "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
+ OPT_INPUT, { .off = OFFSET(discard) },
+ "discard", "" },
+ { "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(disposition) },
+ "disposition", "" },
+ { "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
+ { .off = OFFSET(thread_queue_size) },
+ "set the maximum number of queued packets from the demuxer" },
+
+ /* video options */
+ { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
+ "set the number of video frames to output", "number" },
+ { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
+ "set frame rate (Hz value, fraction or abbreviation)", "rate" },
+ { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
+ "set frame size (WxH or abbreviation)", "size" },
+ { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
+ "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
+ { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
+ "set pixel format", "format" },
+ { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
+ "set the number of bits per raw sample", "number" },
+ { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
+ "deprecated use -g 1" },
+ { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
+ "disable video" },
+ { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
+ "rate control override for specific intervals", "override" },
+ { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
+ OPT_OUTPUT, { .func_arg = opt_video_codec },
+ "force video codec ('copy' to copy stream)", "codec" },
+ { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
+ "Removed" },
+ { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
+ "Removed" },
+ { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
+ "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
+ { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
+ "select the pass number (1 to 3)", "n" },
+ { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
+ "select two pass log file name prefix", "prefix" },
+ { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
+ "this option is deprecated, use the yadif filter instead" },
+ { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
+ "calculate PSNR of compressed frames" },
+ { "vstats", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_vstats },
+ "dump video coding statistics to file" },
+ { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
+ "dump video coding statistics to file", "file" },
+ { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
+ "set video filters", "filter_graph" },
+ { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
+ "specify intra matrix coeffs", "matrix" },
+ { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
+ "specify inter matrix coeffs", "matrix" },
+ { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
+ "specify intra matrix coeffs", "matrix" },
+ { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
+ "top=1/bottom=0/auto=-1 field first", "" },
+ { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new },
+ "force video tag/fourcc", "fourcc/tag" },
+ { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
+ "show QP histogram" },
+ { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
+ OPT_OUTPUT, { .off = OFFSET(force_fps) },
+ "force the selected framerate, disable the best supported framerate selection" },
+ { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_OUTPUT, { .func_arg = opt_streamid },
+ "set the value of an outfile streamid", "streamIndex:value" },
+ { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
+ OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
+ "force key frames at specified timestamps", "timestamps" },
+ { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
+ "audio bitrate (please use -b:a)", "bitrate" },
+ { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
+ "video bitrate (please use -b:v)", "bitrate" },
+ { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
+ OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
+ "use HW accelerated decoding", "hwaccel name" },
+ { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
+ OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
+ "select a device for HW acceleration", "devicename" },
+ { "hwaccel_output_format", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
+ OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_output_formats) },
+ "select output format used with HW accelerated decoding", "format" },
+#if CONFIG_VDA || CONFIG_VIDEOTOOLBOX
+ { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" },
+#endif
+ { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
+ "show available HW acceleration methods" },
+ { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
+ OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
+ "automatically insert correct rotate filters" },
+ { "hwaccel_lax_profile_check", OPT_BOOL | OPT_EXPERT, { &hwaccel_lax_profile_check},
+ "attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream" },
+
+ /* audio options */
+ { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
+ "set the number of audio frames to output", "number" },
+ { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
+ "set audio quality (codec-specific)", "quality", },
+ { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
+ "set audio sampling rate (in Hz)", "rate" },
+ { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
+ OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
+ "set number of audio channels", "channels" },
+ { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
+ "disable audio" },
+ { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
+ OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
+ "force audio codec ('copy' to copy stream)", "codec" },
+ { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_OUTPUT, { .func_arg = opt_old2new },
+ "force audio tag/fourcc", "fourcc/tag" },
+ { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
+ "change audio volume (256=normal)" , "volume" },
+ { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
+ OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
+ "set sample format", "format" },
+ { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
+ OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
+ "set channel layout", "layout" },
+ { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
+ "set audio filters", "filter_graph" },
+ { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
+ "set the maximum number of channels to try to guess the channel layout" },
+
+ /* subtitle options */
+ { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
+ "disable subtitle" },
+ { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
+ "force subtitle codec ('copy' to copy stream)", "codec" },
+ { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
+ , "force subtitle tag/fourcc", "fourcc/tag" },
+ { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
+ "fix subtitles duration" },
+ { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
+ "set canvas size (WxH or abbreviation)", "size" },
+
+ /* grab options */
+ { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
+ "deprecated, use -channel", "channel" },
+ { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
+ "deprecated, use -standard", "standard" },
+ { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
+
+ /* muxer options */
+ { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
+ "set the maximum demux-decode delay", "seconds" },
+ { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
+ "set the initial demux-decode delay", "seconds" },
+ { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver },
+ "override the options from ffserver", "" },
+ { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { .func_arg = opt_sdp_file },
+ "specify a file in which to print sdp information", "file" },
+
+ { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
+ "A comma-separated list of bitstream filters", "bitstream_filters" },
+ { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
+ "deprecated", "audio bitstream_filters" },
+ { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
+ "deprecated", "video bitstream_filters" },
+
+ { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
+ "set the audio options to the indicated preset", "preset" },
+ { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
+ "set the video options to the indicated preset", "preset" },
+ { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
+ "set the subtitle options to the indicated preset", "preset" },
+ { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
+ "set options from indicated preset file", "filename" },
+ /* data codec support */
+ { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
+ "force data codec ('copy' to copy stream)", "codec" },
+ { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
+ "disable data" },
+
+#if CONFIG_VAAPI
+ { "vaapi_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vaapi_device },
+ "set VAAPI hardware device (DRM path or X11 display name)", "device" },
+#endif
+
+ { NULL, },
+};
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