[FFmpeg-cvslog] Merge commit 'ce6f780bc6656ad3895f81a988b239ad3c8af4b8'
James Almer
git at videolan.org
Tue Apr 4 22:15:38 EEST 2017
ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Tue Apr 4 16:15:02 2017 -0300| [655418014c88d5a87b3427a8f89d20cf5c86520d] | committer: James Almer
Merge commit 'ce6f780bc6656ad3895f81a988b239ad3c8af4b8'
* commit 'ce6f780bc6656ad3895f81a988b239ad3c8af4b8':
configure: Add missing asyncts filter, movie filter, and output example deps
Merged-by: James Almer <jamrial at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=655418014c88d5a87b3427a8f89d20cf5c86520d
---
libavfilter/src_movie.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavfilter/src_movie.c b/libavfilter/src_movie.c
index 23dcb7b..a93842e 100644
--- a/libavfilter/src_movie.c
+++ b/libavfilter/src_movie.c
@@ -37,7 +37,11 @@
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/timestamp.h"
+
+#include "libavcodec/avcodec.h"
+
#include "libavformat/avformat.h"
+
#include "audio.h"
#include "avfilter.h"
#include "formats.h"
======================================================================
diff --cc libavfilter/src_movie.c
index 23dcb7b,0000000..a93842e
mode 100644,000000..100644
--- a/libavfilter/src_movie.c
+++ b/libavfilter/src_movie.c
@@@ -1,691 -1,0 +1,695 @@@
+/*
+ * Copyright (c) 2010 Stefano Sabatini
+ * Copyright (c) 2008 Victor Paesa
+ *
+ * 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
+ * movie video source
+ *
+ * @todo use direct rendering (no allocation of a new frame)
+ * @todo support a PTS correction mechanism
+ */
+
+#include <float.h>
+#include <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "libavutil/avstring.h"
+#include "libavutil/avassert.h"
+#include "libavutil/opt.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/internal.h"
+#include "libavutil/timestamp.h"
++
++#include "libavcodec/avcodec.h"
++
+#include "libavformat/avformat.h"
++
+#include "audio.h"
+#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
+
+typedef struct MovieStream {
+ AVStream *st;
+ AVCodecContext *codec_ctx;
+ int done;
+ int64_t discontinuity_threshold;
+ int64_t last_pts;
+} MovieStream;
+
+typedef struct MovieContext {
+ /* common A/V fields */
+ const AVClass *class;
+ int64_t seek_point; ///< seekpoint in microseconds
+ double seek_point_d;
+ char *format_name;
+ char *file_name;
+ char *stream_specs; /**< user-provided list of streams, separated by + */
+ int stream_index; /**< for compatibility */
+ int loop_count;
+ int64_t discontinuity_threshold;
+ int64_t ts_offset;
+
+ AVFormatContext *format_ctx;
+ int eof;
+ AVPacket pkt, pkt0;
+
+ int max_stream_index; /**< max stream # actually used for output */
+ MovieStream *st; /**< array of all streams, one per output */
+ int *out_index; /**< stream number -> output number map, or -1 */
+} MovieContext;
+
+#define OFFSET(x) offsetof(MovieContext, x)
+#define FLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_VIDEO_PARAM
+
+static const AVOption movie_options[]= {
+ { "filename", NULL, OFFSET(file_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { "format_name", "set format name", OFFSET(format_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { "f", "set format name", OFFSET(format_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { "stream_index", "set stream index", OFFSET(stream_index), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
+ { "si", "set stream index", OFFSET(stream_index), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
+ { "seek_point", "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, { .dbl = 0 }, 0, (INT64_MAX-1) / 1000000, FLAGS },
+ { "sp", "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, { .dbl = 0 }, 0, (INT64_MAX-1) / 1000000, FLAGS },
+ { "streams", "set streams", OFFSET(stream_specs), AV_OPT_TYPE_STRING, {.str = 0}, CHAR_MAX, CHAR_MAX, FLAGS },
+ { "s", "set streams", OFFSET(stream_specs), AV_OPT_TYPE_STRING, {.str = 0}, CHAR_MAX, CHAR_MAX, FLAGS },
+ { "loop", "set loop count", OFFSET(loop_count), AV_OPT_TYPE_INT, {.i64 = 1}, 0, INT_MAX, FLAGS },
+ { "discontinuity", "set discontinuity threshold", OFFSET(discontinuity_threshold), AV_OPT_TYPE_DURATION, {.i64 = 0}, 0, INT64_MAX, FLAGS },
+ { NULL },
+};
+
+static int movie_config_output_props(AVFilterLink *outlink);
+static int movie_request_frame(AVFilterLink *outlink);
+
+static AVStream *find_stream(void *log, AVFormatContext *avf, const char *spec)
+{
+ int i, ret, already = 0, stream_id = -1;
+ char type_char[2], dummy;
+ AVStream *found = NULL;
+ enum AVMediaType type;
+
+ ret = sscanf(spec, "d%1[av]%d%c", type_char, &stream_id, &dummy);
+ if (ret >= 1 && ret <= 2) {
+ type = type_char[0] == 'v' ? AVMEDIA_TYPE_VIDEO : AVMEDIA_TYPE_AUDIO;
+ ret = av_find_best_stream(avf, type, stream_id, -1, NULL, 0);
+ if (ret < 0) {
+ av_log(log, AV_LOG_ERROR, "No %s stream with index '%d' found\n",
+ av_get_media_type_string(type), stream_id);
+ return NULL;
+ }
+ return avf->streams[ret];
+ }
+ for (i = 0; i < avf->nb_streams; i++) {
+ ret = avformat_match_stream_specifier(avf, avf->streams[i], spec);
+ if (ret < 0) {
+ av_log(log, AV_LOG_ERROR,
+ "Invalid stream specifier \"%s\"\n", spec);
+ return NULL;
+ }
+ if (!ret)
+ continue;
+ if (avf->streams[i]->discard != AVDISCARD_ALL) {
+ already++;
+ continue;
+ }
+ if (found) {
+ av_log(log, AV_LOG_WARNING,
+ "Ambiguous stream specifier \"%s\", using #%d\n", spec, i);
+ break;
+ }
+ found = avf->streams[i];
+ }
+ if (!found) {
+ av_log(log, AV_LOG_WARNING, "Stream specifier \"%s\" %s\n", spec,
+ already ? "matched only already used streams" :
+ "did not match any stream");
+ return NULL;
+ }
+ if (found->codecpar->codec_type != AVMEDIA_TYPE_VIDEO &&
+ found->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
+ av_log(log, AV_LOG_ERROR, "Stream specifier \"%s\" matched a %s stream,"
+ "currently unsupported by libavfilter\n", spec,
+ av_get_media_type_string(found->codecpar->codec_type));
+ return NULL;
+ }
+ return found;
+}
+
+static int open_stream(void *log, MovieStream *st)
+{
+ AVCodec *codec;
+ int ret;
+
+ codec = avcodec_find_decoder(st->st->codecpar->codec_id);
+ if (!codec) {
+ av_log(log, AV_LOG_ERROR, "Failed to find any codec\n");
+ return AVERROR(EINVAL);
+ }
+
+ st->codec_ctx = avcodec_alloc_context3(codec);
+ if (!st->codec_ctx)
+ return AVERROR(ENOMEM);
+
+ ret = avcodec_parameters_to_context(st->codec_ctx, st->st->codecpar);
+ if (ret < 0)
+ return ret;
+
+ st->codec_ctx->refcounted_frames = 1;
+
+ if ((ret = avcodec_open2(st->codec_ctx, codec, NULL)) < 0) {
+ av_log(log, AV_LOG_ERROR, "Failed to open codec\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int guess_channel_layout(MovieStream *st, int st_index, void *log_ctx)
+{
+ AVCodecParameters *dec_par = st->st->codecpar;
+ char buf[256];
+ int64_t chl = av_get_default_channel_layout(dec_par->channels);
+
+ if (!chl) {
+ av_log(log_ctx, AV_LOG_ERROR,
+ "Channel layout is not set in stream %d, and could not "
+ "be guessed from the number of channels (%d)\n",
+ st_index, dec_par->channels);
+ return AVERROR(EINVAL);
+ }
+
+ av_get_channel_layout_string(buf, sizeof(buf), dec_par->channels, chl);
+ av_log(log_ctx, AV_LOG_WARNING,
+ "Channel layout is not set in output stream %d, "
+ "guessed channel layout is '%s'\n",
+ st_index, buf);
+ dec_par->channel_layout = chl;
+ return 0;
+}
+
+static av_cold int movie_common_init(AVFilterContext *ctx)
+{
+ MovieContext *movie = ctx->priv;
+ AVInputFormat *iformat = NULL;
+ int64_t timestamp;
+ int nb_streams = 1, ret, i;
+ char default_streams[16], *stream_specs, *spec, *cursor;
+ char name[16];
+ AVStream *st;
+
+ if (!movie->file_name) {
+ av_log(ctx, AV_LOG_ERROR, "No filename provided!\n");
+ return AVERROR(EINVAL);
+ }
+
+ movie->seek_point = movie->seek_point_d * 1000000 + 0.5;
+
+ stream_specs = movie->stream_specs;
+ if (!stream_specs) {
+ snprintf(default_streams, sizeof(default_streams), "d%c%d",
+ !strcmp(ctx->filter->name, "amovie") ? 'a' : 'v',
+ movie->stream_index);
+ stream_specs = default_streams;
+ }
+ for (cursor = stream_specs; *cursor; cursor++)
+ if (*cursor == '+')
+ nb_streams++;
+
+ if (movie->loop_count != 1 && nb_streams != 1) {
+ av_log(ctx, AV_LOG_ERROR,
+ "Loop with several streams is currently unsupported\n");
+ return AVERROR_PATCHWELCOME;
+ }
+
+ av_register_all();
+
+ // Try to find the movie format (container)
+ iformat = movie->format_name ? av_find_input_format(movie->format_name) : NULL;
+
+ movie->format_ctx = NULL;
+ if ((ret = avformat_open_input(&movie->format_ctx, movie->file_name, iformat, NULL)) < 0) {
+ av_log(ctx, AV_LOG_ERROR,
+ "Failed to avformat_open_input '%s'\n", movie->file_name);
+ return ret;
+ }
+ if ((ret = avformat_find_stream_info(movie->format_ctx, NULL)) < 0)
+ av_log(ctx, AV_LOG_WARNING, "Failed to find stream info\n");
+
+ // if seeking requested, we execute it
+ if (movie->seek_point > 0) {
+ timestamp = movie->seek_point;
+ // add the stream start time, should it exist
+ if (movie->format_ctx->start_time != AV_NOPTS_VALUE) {
+ if (timestamp > 0 && movie->format_ctx->start_time > INT64_MAX - timestamp) {
+ av_log(ctx, AV_LOG_ERROR,
+ "%s: seek value overflow with start_time:%"PRId64" seek_point:%"PRId64"\n",
+ movie->file_name, movie->format_ctx->start_time, movie->seek_point);
+ return AVERROR(EINVAL);
+ }
+ timestamp += movie->format_ctx->start_time;
+ }
+ if ((ret = av_seek_frame(movie->format_ctx, -1, timestamp, AVSEEK_FLAG_BACKWARD)) < 0) {
+ av_log(ctx, AV_LOG_ERROR, "%s: could not seek to position %"PRId64"\n",
+ movie->file_name, timestamp);
+ return ret;
+ }
+ }
+
+ for (i = 0; i < movie->format_ctx->nb_streams; i++)
+ movie->format_ctx->streams[i]->discard = AVDISCARD_ALL;
+
+ movie->st = av_calloc(nb_streams, sizeof(*movie->st));
+ if (!movie->st)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < nb_streams; i++) {
+ spec = av_strtok(stream_specs, "+", &cursor);
+ if (!spec)
+ return AVERROR_BUG;
+ stream_specs = NULL; /* for next strtok */
+ st = find_stream(ctx, movie->format_ctx, spec);
+ if (!st)
+ return AVERROR(EINVAL);
+ st->discard = AVDISCARD_DEFAULT;
+ movie->st[i].st = st;
+ movie->max_stream_index = FFMAX(movie->max_stream_index, st->index);
+ movie->st[i].discontinuity_threshold =
+ av_rescale_q(movie->discontinuity_threshold, AV_TIME_BASE_Q, st->time_base);
+ }
+ if (av_strtok(NULL, "+", &cursor))
+ return AVERROR_BUG;
+
+ movie->out_index = av_calloc(movie->max_stream_index + 1,
+ sizeof(*movie->out_index));
+ if (!movie->out_index)
+ return AVERROR(ENOMEM);
+ for (i = 0; i <= movie->max_stream_index; i++)
+ movie->out_index[i] = -1;
+ for (i = 0; i < nb_streams; i++) {
+ AVFilterPad pad = { 0 };
+ movie->out_index[movie->st[i].st->index] = i;
+ snprintf(name, sizeof(name), "out%d", i);
+ pad.type = movie->st[i].st->codecpar->codec_type;
+ pad.name = av_strdup(name);
+ if (!pad.name)
+ return AVERROR(ENOMEM);
+ pad.config_props = movie_config_output_props;
+ pad.request_frame = movie_request_frame;
+ ff_insert_outpad(ctx, i, &pad);
+ if ( movie->st[i].st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
+ !movie->st[i].st->codecpar->channel_layout) {
+ ret = guess_channel_layout(&movie->st[i], i, ctx);
+ if (ret < 0)
+ return ret;
+ }
+ ret = open_stream(ctx, &movie->st[i]);
+ if (ret < 0)
+ return ret;
+ }
+
+ av_log(ctx, AV_LOG_VERBOSE, "seek_point:%"PRIi64" format_name:%s file_name:%s stream_index:%d\n",
+ movie->seek_point, movie->format_name, movie->file_name,
+ movie->stream_index);
+
+ return 0;
+}
+
+static av_cold void movie_uninit(AVFilterContext *ctx)
+{
+ MovieContext *movie = ctx->priv;
+ int i;
+
+ for (i = 0; i < ctx->nb_outputs; i++) {
+ av_freep(&ctx->output_pads[i].name);
+ if (movie->st[i].st)
+ avcodec_free_context(&movie->st[i].codec_ctx);
+ }
+ av_freep(&movie->st);
+ av_freep(&movie->out_index);
+ if (movie->format_ctx)
+ avformat_close_input(&movie->format_ctx);
+}
+
+static int movie_query_formats(AVFilterContext *ctx)
+{
+ MovieContext *movie = ctx->priv;
+ int list[] = { 0, -1 };
+ int64_t list64[] = { 0, -1 };
+ int i, ret;
+
+ for (i = 0; i < ctx->nb_outputs; i++) {
+ MovieStream *st = &movie->st[i];
+ AVCodecParameters *c = st->st->codecpar;
+ AVFilterLink *outlink = ctx->outputs[i];
+
+ switch (c->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ list[0] = c->format;
+ if ((ret = ff_formats_ref(ff_make_format_list(list), &outlink->in_formats)) < 0)
+ return ret;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ list[0] = c->format;
+ if ((ret = ff_formats_ref(ff_make_format_list(list), &outlink->in_formats)) < 0)
+ return ret;
+ list[0] = c->sample_rate;
+ if ((ret = ff_formats_ref(ff_make_format_list(list), &outlink->in_samplerates)) < 0)
+ return ret;
+ list64[0] = c->channel_layout;
+ if ((ret = ff_channel_layouts_ref(avfilter_make_format64_list(list64),
+ &outlink->in_channel_layouts)) < 0)
+ return ret;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int movie_config_output_props(AVFilterLink *outlink)
+{
+ AVFilterContext *ctx = outlink->src;
+ MovieContext *movie = ctx->priv;
+ unsigned out_id = FF_OUTLINK_IDX(outlink);
+ MovieStream *st = &movie->st[out_id];
+ AVCodecParameters *c = st->st->codecpar;
+
+ outlink->time_base = st->st->time_base;
+
+ switch (c->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ outlink->w = c->width;
+ outlink->h = c->height;
+ outlink->frame_rate = st->st->r_frame_rate;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ break;
+ }
+
+ return 0;
+}
+
+static char *describe_frame_to_str(char *dst, size_t dst_size,
+ AVFrame *frame, enum AVMediaType frame_type,
+ AVFilterLink *link)
+{
+ switch (frame_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ snprintf(dst, dst_size,
+ "video pts:%s time:%s size:%dx%d aspect:%d/%d",
+ av_ts2str(frame->pts), av_ts2timestr(frame->pts, &link->time_base),
+ frame->width, frame->height,
+ frame->sample_aspect_ratio.num,
+ frame->sample_aspect_ratio.den);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ snprintf(dst, dst_size,
+ "audio pts:%s time:%s samples:%d",
+ av_ts2str(frame->pts), av_ts2timestr(frame->pts, &link->time_base),
+ frame->nb_samples);
+ break;
+ default:
+ snprintf(dst, dst_size, "%s BUG", av_get_media_type_string(frame_type));
+ break;
+ }
+ return dst;
+}
+
+static int rewind_file(AVFilterContext *ctx)
+{
+ MovieContext *movie = ctx->priv;
+ int64_t timestamp = movie->seek_point;
+ int ret, i;
+
+ if (movie->format_ctx->start_time != AV_NOPTS_VALUE)
+ timestamp += movie->format_ctx->start_time;
+ ret = av_seek_frame(movie->format_ctx, -1, timestamp, AVSEEK_FLAG_BACKWARD);
+ if (ret < 0) {
+ av_log(ctx, AV_LOG_ERROR, "Unable to loop: %s\n", av_err2str(ret));
+ movie->loop_count = 1; /* do not try again */
+ return ret;
+ }
+
+ for (i = 0; i < ctx->nb_outputs; i++) {
+ avcodec_flush_buffers(movie->st[i].codec_ctx);
+ movie->st[i].done = 0;
+ }
+ movie->eof = 0;
+ return 0;
+}
+
+/**
+ * Try to push a frame to the requested output.
+ *
+ * @param ctx filter context
+ * @param out_id number of output where a frame is wanted;
+ * if the frame is read from file, used to set the return value;
+ * if the codec is being flushed, flush the corresponding stream
+ * @return 1 if a frame was pushed on the requested output,
+ * 0 if another attempt is possible,
+ * <0 AVERROR code
+ */
+static int movie_push_frame(AVFilterContext *ctx, unsigned out_id)
+{
+ MovieContext *movie = ctx->priv;
+ AVPacket *pkt = &movie->pkt;
+ enum AVMediaType frame_type;
+ MovieStream *st;
+ int ret, got_frame = 0, pkt_out_id;
+ AVFilterLink *outlink;
+ AVFrame *frame;
+
+ if (!pkt->size) {
+ if (movie->eof) {
+ if (movie->st[out_id].done) {
+ if (movie->loop_count != 1) {
+ ret = rewind_file(ctx);
+ if (ret < 0)
+ return ret;
+ movie->loop_count -= movie->loop_count > 1;
+ av_log(ctx, AV_LOG_VERBOSE, "Stream finished, looping.\n");
+ return 0; /* retry */
+ }
+ return AVERROR_EOF;
+ }
+ pkt->stream_index = movie->st[out_id].st->index;
+ /* packet is already ready for flushing */
+ } else {
+ ret = av_read_frame(movie->format_ctx, &movie->pkt0);
+ if (ret < 0) {
+ av_init_packet(&movie->pkt0); /* ready for flushing */
+ *pkt = movie->pkt0;
+ if (ret == AVERROR_EOF) {
+ movie->eof = 1;
+ return 0; /* start flushing */
+ }
+ return ret;
+ }
+ *pkt = movie->pkt0;
+ }
+ }
+
+ pkt_out_id = pkt->stream_index > movie->max_stream_index ? -1 :
+ movie->out_index[pkt->stream_index];
+ if (pkt_out_id < 0) {
+ av_packet_unref(&movie->pkt0);
+ pkt->size = 0; /* ready for next run */
+ pkt->data = NULL;
+ return 0;
+ }
+ st = &movie->st[pkt_out_id];
+ outlink = ctx->outputs[pkt_out_id];
+
+ frame = av_frame_alloc();
+ if (!frame)
+ return AVERROR(ENOMEM);
+
+ frame_type = st->st->codecpar->codec_type;
+ switch (frame_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ ret = avcodec_decode_video2(st->codec_ctx, frame, &got_frame, pkt);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ ret = avcodec_decode_audio4(st->codec_ctx, frame, &got_frame, pkt);
+ break;
+ default:
+ ret = AVERROR(ENOSYS);
+ break;
+ }
+ if (ret < 0) {
+ av_log(ctx, AV_LOG_WARNING, "Decode error: %s\n", av_err2str(ret));
+ av_frame_free(&frame);
+ av_packet_unref(&movie->pkt0);
+ movie->pkt.size = 0;
+ movie->pkt.data = NULL;
+ return 0;
+ }
+ if (!ret || st->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
+ ret = pkt->size;
+
+ pkt->data += ret;
+ pkt->size -= ret;
+ if (pkt->size <= 0) {
+ av_packet_unref(&movie->pkt0);
+ pkt->size = 0; /* ready for next run */
+ pkt->data = NULL;
+ }
+ if (!got_frame) {
+ if (!ret)
+ st->done = 1;
+ av_frame_free(&frame);
+ return 0;
+ }
+
+ frame->pts = av_frame_get_best_effort_timestamp(frame);
+ if (frame->pts != AV_NOPTS_VALUE) {
+ if (movie->ts_offset)
+ frame->pts += av_rescale_q_rnd(movie->ts_offset, AV_TIME_BASE_Q, outlink->time_base, AV_ROUND_UP);
+ if (st->discontinuity_threshold) {
+ if (st->last_pts != AV_NOPTS_VALUE) {
+ int64_t diff = frame->pts - st->last_pts;
+ if (diff < 0 || diff > st->discontinuity_threshold) {
+ av_log(ctx, AV_LOG_VERBOSE, "Discontinuity in stream:%d diff:%"PRId64"\n", pkt_out_id, diff);
+ movie->ts_offset += av_rescale_q_rnd(-diff, outlink->time_base, AV_TIME_BASE_Q, AV_ROUND_UP);
+ frame->pts -= diff;
+ }
+ }
+ }
+ st->last_pts = frame->pts;
+ }
+ ff_dlog(ctx, "movie_push_frame(): file:'%s' %s\n", movie->file_name,
+ describe_frame_to_str((char[1024]){0}, 1024, frame, frame_type, outlink));
+
+ if (st->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (frame->format != outlink->format) {
+ av_log(ctx, AV_LOG_ERROR, "Format changed %s -> %s, discarding frame\n",
+ av_get_pix_fmt_name(outlink->format),
+ av_get_pix_fmt_name(frame->format)
+ );
+ av_frame_free(&frame);
+ return 0;
+ }
+ }
+ ret = ff_filter_frame(outlink, frame);
+
+ if (ret < 0)
+ return ret;
+ return pkt_out_id == out_id;
+}
+
+static int movie_request_frame(AVFilterLink *outlink)
+{
+ AVFilterContext *ctx = outlink->src;
+ unsigned out_id = FF_OUTLINK_IDX(outlink);
+ int ret;
+
+ while (1) {
+ ret = movie_push_frame(ctx, out_id);
+ if (ret)
+ return FFMIN(ret, 0);
+ }
+}
+
+static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
+ char *res, int res_len, int flags)
+{
+ MovieContext *movie = ctx->priv;
+ int ret = AVERROR(ENOSYS);
+
+ if (!strcmp(cmd, "seek")) {
+ int idx, flags, i;
+ int64_t ts;
+ char tail[2];
+
+ if (sscanf(args, "%i|%"SCNi64"|%i %1s", &idx, &ts, &flags, tail) != 3)
+ return AVERROR(EINVAL);
+
+ ret = av_seek_frame(movie->format_ctx, idx, ts, flags);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < ctx->nb_outputs; i++) {
+ avcodec_flush_buffers(movie->st[i].codec_ctx);
+ movie->st[i].done = 0;
+ }
+ return ret;
+ } else if (!strcmp(cmd, "get_duration")) {
+ int print_len;
+ char tail[2];
+
+ if (!res || res_len <= 0)
+ return AVERROR(EINVAL);
+
+ if (args && sscanf(args, "%1s", tail) == 1)
+ return AVERROR(EINVAL);
+
+ print_len = snprintf(res, res_len, "%"PRId64, movie->format_ctx->duration);
+ if (print_len < 0 || print_len >= res_len)
+ return AVERROR(EINVAL);
+
+ return 0;
+ }
+
+ return ret;
+}
+
+#if CONFIG_MOVIE_FILTER
+
+AVFILTER_DEFINE_CLASS(movie);
+
+AVFilter ff_avsrc_movie = {
+ .name = "movie",
+ .description = NULL_IF_CONFIG_SMALL("Read from a movie source."),
+ .priv_size = sizeof(MovieContext),
+ .priv_class = &movie_class,
+ .init = movie_common_init,
+ .uninit = movie_uninit,
+ .query_formats = movie_query_formats,
+
+ .inputs = NULL,
+ .outputs = NULL,
+ .flags = AVFILTER_FLAG_DYNAMIC_OUTPUTS,
+ .process_command = process_command
+};
+
+#endif /* CONFIG_MOVIE_FILTER */
+
+#if CONFIG_AMOVIE_FILTER
+
+#define amovie_options movie_options
+AVFILTER_DEFINE_CLASS(amovie);
+
+AVFilter ff_avsrc_amovie = {
+ .name = "amovie",
+ .description = NULL_IF_CONFIG_SMALL("Read audio from a movie source."),
+ .priv_size = sizeof(MovieContext),
+ .init = movie_common_init,
+ .uninit = movie_uninit,
+ .query_formats = movie_query_formats,
+
+ .inputs = NULL,
+ .outputs = NULL,
+ .priv_class = &amovie_class,
+ .flags = AVFILTER_FLAG_DYNAMIC_OUTPUTS,
+ .process_command = process_command,
+};
+
+#endif /* CONFIG_AMOVIE_FILTER */
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