[FFmpeg-soc] [soc]: r404 - in dvbmuxer/muxer_dev: . Makefile dvbmuxer.diff mpeg_pes.h mpeg_pes_enc.c mpegtsenc.c
realsun
subversion at mplayerhq.hu
Sat Jul 14 16:58:08 CEST 2007
Author: realsun
Date: Sat Jul 14 16:58:08 2007
New Revision: 404
Log:
Initial code for MPEG TS muxer.
Added:
dvbmuxer/muxer_dev/
dvbmuxer/muxer_dev/Makefile
dvbmuxer/muxer_dev/dvbmuxer.diff
dvbmuxer/muxer_dev/mpeg_pes.h
dvbmuxer/muxer_dev/mpeg_pes_enc.c
dvbmuxer/muxer_dev/mpegtsenc.c
Added: dvbmuxer/muxer_dev/Makefile
==============================================================================
--- (empty file)
+++ dvbmuxer/muxer_dev/Makefile Sat Jul 14 16:58:08 2007
@@ -0,0 +1,177 @@
+#
+# libavformat Makefile
+# (c) 2000-2003 Fabrice Bellard
+#
+include ../config.mak
+
+CFLAGS+=-I$(SRC_PATH)/libavcodec
+
+OBJS= utils.o cutils.o os_support.o allformats.o
+
+HEADERS = avformat.h avio.h rtp.h rtsp.h rtspcodes.h
+
+# muxers/demuxers
+OBJS-$(CONFIG_AAC_DEMUXER) += raw.o
+OBJS-$(CONFIG_AC3_DEMUXER) += raw.o
+OBJS-$(CONFIG_AC3_MUXER) += raw.o
+OBJS-$(CONFIG_ADTS_MUXER) += adtsenc.o
+OBJS-$(CONFIG_AIFF_DEMUXER) += aiff.o riff.o
+OBJS-$(CONFIG_AIFF_MUXER) += aiff.o riff.o
+OBJS-$(CONFIG_AMR_DEMUXER) += amr.o
+OBJS-$(CONFIG_AMR_MUXER) += amr.o
+OBJS-$(CONFIG_APC_DEMUXER) += apc.o
+OBJS-$(CONFIG_ASF_DEMUXER) += asf.o riff.o
+OBJS-$(CONFIG_ASF_MUXER) += asf-enc.o riff.o
+OBJS-$(CONFIG_ASF_STREAM_MUXER) += asf-enc.o riff.o
+OBJS-$(CONFIG_AU_DEMUXER) += au.o riff.o
+OBJS-$(CONFIG_AU_MUXER) += au.o riff.o
+OBJS-$(CONFIG_AUDIO_DEMUXER) += audio.o
+OBJS-$(CONFIG_AUDIO_MUXER) += audio.o
+OBJS-$(CONFIG_AVI_DEMUXER) += avidec.o riff.o
+OBJS-$(CONFIG_AVI_MUXER) += avienc.o riff.o
+OBJS-$(CONFIG_AVISYNTH) += avisynth.o
+OBJS-$(CONFIG_AVS_DEMUXER) += avs.o vocdec.o voc.o riff.o
+OBJS-$(CONFIG_BETHSOFTVID_DEMUXER) += bethsoftvid.o
+OBJS-$(CONFIG_C93_DEMUXER) += c93.o
+OBJS-$(CONFIG_CRC_MUXER) += crc.o
+OBJS-$(CONFIG_DAUD_DEMUXER) += daud.o
+OBJS-$(CONFIG_DC1394_DEMUXER) += dc1394.o
+OBJS-$(CONFIG_DSICIN_DEMUXER) += dsicin.o
+OBJS-$(CONFIG_DTS_DEMUXER) += raw.o
+OBJS-$(CONFIG_DV_DEMUXER) += dv.o
+OBJS-$(CONFIG_DV_MUXER) += dvenc.o
+OBJS-$(CONFIG_DV1394_DEMUXER) += dv1394.o
+OBJS-$(CONFIG_DXA_DEMUXER) += dxa.o
+OBJS-$(CONFIG_EA_DEMUXER) += electronicarts.o
+OBJS-$(CONFIG_FFM_DEMUXER) += ffm.o
+OBJS-$(CONFIG_FFM_MUXER) += ffm.o
+OBJS-$(CONFIG_FLAC_DEMUXER) += raw.o
+OBJS-$(CONFIG_FLAC_MUXER) += raw.o
+OBJS-$(CONFIG_FLIC_DEMUXER) += flic.o
+OBJS-$(CONFIG_FLV_DEMUXER) += flvdec.o
+OBJS-$(CONFIG_FLV_MUXER) += flvenc.o
+OBJS-$(CONFIG_FOURXM_DEMUXER) += 4xm.o
+OBJS-$(CONFIG_FRAMECRC_MUXER) += crc.o
+OBJS-$(CONFIG_GIF_MUXER) += gif.o
+OBJS-$(CONFIG_GIF_DEMUXER) += gifdec.o
+OBJS-$(CONFIG_GXF_DEMUXER) += gxf.o
+OBJS-$(CONFIG_GXF_MUXER) += gxfenc.o
+OBJS-$(CONFIG_H261_DEMUXER) += raw.o
+OBJS-$(CONFIG_H261_MUXER) += raw.o
+OBJS-$(CONFIG_H263_DEMUXER) += raw.o
+OBJS-$(CONFIG_H263_MUXER) += raw.o
+OBJS-$(CONFIG_H264_DEMUXER) += raw.o
+OBJS-$(CONFIG_H264_MUXER) += raw.o
+OBJS-$(CONFIG_IDCIN_DEMUXER) += idcin.o
+OBJS-$(CONFIG_IMAGE2_DEMUXER) += img2.o
+OBJS-$(CONFIG_IMAGE2_MUXER) += img2.o
+OBJS-$(CONFIG_IMAGE2PIPE_DEMUXER) += img2.o
+OBJS-$(CONFIG_IMAGE2PIPE_MUXER) += img2.o
+OBJS-$(CONFIG_INGENIENT_DEMUXER) += raw.o
+OBJS-$(CONFIG_IPMOVIE_DEMUXER) += ipmovie.o
+OBJS-$(CONFIG_M4V_DEMUXER) += raw.o
+OBJS-$(CONFIG_M4V_MUXER) += raw.o
+OBJS-$(CONFIG_MATROSKA_DEMUXER) += matroskadec.o matroska.o riff.o
+OBJS-$(CONFIG_MJPEG_DEMUXER) += raw.o
+OBJS-$(CONFIG_MJPEG_MUXER) += raw.o
+OBJS-$(CONFIG_MM_DEMUXER) += mm.o
+OBJS-$(CONFIG_MMF_DEMUXER) += mmf.o riff.o
+OBJS-$(CONFIG_MMF_MUXER) += mmf.o riff.o
+OBJS-$(CONFIG_MOV_DEMUXER) += mov.o riff.o isom.o
+OBJS-$(CONFIG_MOV_MUXER) += movenc.o riff.o isom.o
+OBJS-$(CONFIG_MP2_MUXER) += mp3.o
+OBJS-$(CONFIG_MP3_DEMUXER) += mp3.o
+OBJS-$(CONFIG_MP3_MUXER) += mp3.o
+OBJS-$(CONFIG_MP4_MUXER) += movenc.o riff.o isom.o
+OBJS-$(CONFIG_MPC_DEMUXER) += mpc.o
+OBJS-$(CONFIG_MPEG1SYSTEM_MUXER) += mpegenc.o mpeg_pes_enc.o
+OBJS-$(CONFIG_MPEG1VCD_MUXER) += mpegenc.o mpeg_pes_enc.o
+OBJS-$(CONFIG_MPEG1VIDEO_MUXER) += raw.o
+OBJS-$(CONFIG_MPEG2DVD_MUXER) += mpegenc.o mpeg_pes_enc.o
+OBJS-$(CONFIG_MPEG2SVCD_MUXER) += mpegenc.o mpeg_pes_enc.o
+OBJS-$(CONFIG_MPEG2VIDEO_MUXER) += raw.o
+OBJS-$(CONFIG_MPEG2VOB_MUXER) += mpegenc.o mpeg_pes_enc.o
+OBJS-$(CONFIG_MPEGPS_DEMUXER) += mpeg.o
+OBJS-$(CONFIG_MPEGTS_DEMUXER) += mpegts.o
+OBJS-$(CONFIG_MPEGTS_MUXER) += mpegtsenc.o
+OBJS-$(CONFIG_MPEGVIDEO_DEMUXER) += raw.o
+OBJS-$(CONFIG_MPJPEG_MUXER) += mpjpeg.o
+OBJS-$(CONFIG_MTV_DEMUXER) += mtv.o
+OBJS-$(CONFIG_MXF_DEMUXER) += mxf.o
+OBJS-$(CONFIG_NSV_DEMUXER) += nsvdec.o riff.o
+OBJS-$(CONFIG_NULL_MUXER) += raw.o
+OBJS-$(CONFIG_NUT_DEMUXER) += nutdec.o riff.o
+OBJS-$(CONFIG_NUV_DEMUXER) += nuv.o riff.o
+OBJS-$(CONFIG_OGG_DEMUXER) += ogg2.o \
+ oggparsevorbis.o \
+ oggparsetheora.o \
+ oggparseflac.o \
+ oggparseogm.o \
+ riff.o
+OBJS-$(CONFIG_OGG_MUXER) += ogg.o
+OBJS-$(CONFIG_PSP_MUXER) += movenc.o riff.o isom.o
+OBJS-$(CONFIG_RAWVIDEO_DEMUXER) += raw.o
+OBJS-$(CONFIG_RAWVIDEO_MUXER) += raw.o
+OBJS-$(CONFIG_REDIR_DEMUXER) += rtsp.o
+OBJS-$(CONFIG_RM_DEMUXER) += rmdec.o
+OBJS-$(CONFIG_RM_MUXER) += rmenc.o
+OBJS-$(CONFIG_ROQ_DEMUXER) += idroq.o
+OBJS-$(CONFIG_ROQ_MUXER) += raw.o
+OBJS-$(CONFIG_RTP_MUXER) += rtp.o rtp_h264.o
+OBJS-$(CONFIG_RTSP_DEMUXER) += rtsp.o
+OBJS-$(CONFIG_SDP_DEMUXER) += rtsp.o
+OBJS-$(CONFIG_SEGAFILM_DEMUXER) += segafilm.o
+OBJS-$(CONFIG_SHORTEN_DEMUXER) += raw.o
+OBJS-$(CONFIG_SMACKER_DEMUXER) += smacker.o
+OBJS-$(CONFIG_SOL_DEMUXER) += sol.o
+OBJS-$(CONFIG_STR_DEMUXER) += psxstr.o
+OBJS-$(CONFIG_SWF_DEMUXER) += swf.o
+OBJS-$(CONFIG_SWF_MUXER) += swf.o
+OBJS-$(CONFIG_TG2_MUXER) += movenc.o riff.o isom.o
+OBJS-$(CONFIG_TGP_MUXER) += movenc.o riff.o isom.o
+OBJS-$(CONFIG_THP_DEMUXER) += thp.o
+OBJS-$(CONFIG_TIERTEXSEQ_DEMUXER) += tiertexseq.o
+OBJS-$(CONFIG_TTA_DEMUXER) += tta.o
+OBJS-$(CONFIG_TXD_DEMUXER) += txd.o
+OBJS-$(CONFIG_V4L2_DEMUXER) += v4l2.o
+OBJS-$(CONFIG_VIDEO_GRAB_BKTR_DEMUXER) += grab_bktr.o
+OBJS-$(CONFIG_VIDEO_GRAB_V4L_DEMUXER) += grab.o
+OBJS-$(CONFIG_VMD_DEMUXER) += sierravmd.o
+OBJS-$(CONFIG_VOC_DEMUXER) += vocdec.o voc.o riff.o
+OBJS-$(CONFIG_VOC_MUXER) += vocenc.o voc.o riff.o
+OBJS-$(CONFIG_WAV_DEMUXER) += wav.o riff.o
+OBJS-$(CONFIG_WAV_MUXER) += wav.o riff.o
+OBJS-$(CONFIG_WC3_DEMUXER) += wc3movie.o
+OBJS-$(CONFIG_WSAUD_DEMUXER) += westwood.o
+OBJS-$(CONFIG_WSVQA_DEMUXER) += westwood.o
+OBJS-$(CONFIG_WV_DEMUXER) += wv.o
+OBJS-$(CONFIG_X11_GRAB_DEVICE_DEMUXER) += x11grab.o
+OBJS-$(CONFIG_YUV4MPEGPIPE_MUXER) += yuv4mpeg.o
+OBJS-$(CONFIG_YUV4MPEGPIPE_DEMUXER) += yuv4mpeg.o
+
+# external libraries
+OBJS-$(CONFIG_LIBNUT_DEMUXER) += libnut.o riff.o
+OBJS-$(CONFIG_LIBNUT_MUXER) += libnut.o riff.o
+
+OBJS+= framehook.o
+
+EXTRALIBS := -L$(BUILD_ROOT)/libavutil -lavutil$(BUILDSUF) \
+ -lavcodec$(BUILDSUF) -L$(BUILD_ROOT)/libavcodec $(EXTRALIBS)
+
+CPPOBJS-$(CONFIG_AUDIO_BEOS) += beosaudio.o
+
+# protocols I/O
+OBJS+= avio.o aviobuf.o
+
+OBJS-$(CONFIG_FILE_PROTOCOL) += file.o
+OBJS-$(CONFIG_HTTP_PROTOCOL) += http.o
+OBJS-$(CONFIG_PIPE_PROTOCOL) += file.o
+OBJS-$(CONFIG_RTP_PROTOCOL) += rtpproto.o
+OBJS-$(CONFIG_TCP_PROTOCOL) += tcp.o
+OBJS-$(CONFIG_UDP_PROTOCOL) += udp.o
+
+NAME=avformat
+LIBVERSION=$(LAVFVERSION)
+LIBMAJOR=$(LAVFMAJOR)
+
+include ../common.mak
Added: dvbmuxer/muxer_dev/dvbmuxer.diff
==============================================================================
--- (empty file)
+++ dvbmuxer/muxer_dev/dvbmuxer.diff Sat Jul 14 16:58:08 2007
@@ -0,0 +1,2109 @@
+Index: mpeg_pes_enc.c
+===================================================================
+--- mpeg_pes_enc.c (revision 9635)
++++ mpeg_pes_enc.c (working copy)
+@@ -1,6 +1,7 @@
+ /*
+- * MPEG1/2 muxer
++ * PES muxer.
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
++ * Copyright (c) 2007 Xiaohui Sun <sunxiaohui at dsp.ac.cn>
+ *
+ * This file is part of FFmpeg.
+ *
+@@ -19,345 +20,27 @@
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+-#include "avformat.h"
+-#include "allformats.h"
+-#include "bitstream.h"
+-#include "fifo.h"
+-#include "mpeg.h"
++#include "mpeg_pes.h"
++#include "bytestream.h"
+
+-#define MAX_PAYLOAD_SIZE 4096
+-//#define DEBUG_SEEK
+-
+-#undef NDEBUG
+-#include <assert.h>
+-
+-typedef struct PacketDesc {
+- int64_t pts;
+- int64_t dts;
+- int size;
+- int unwritten_size;
+- int flags;
+- struct PacketDesc *next;
+-} PacketDesc;
+-
+-typedef struct {
+- AVFifoBuffer fifo;
+- uint8_t id;
+- int max_buffer_size; /* in bytes */
+- int buffer_index;
+- PacketDesc *predecode_packet;
+- PacketDesc *premux_packet;
+- PacketDesc **next_packet;
+- int packet_number;
+- uint8_t lpcm_header[3];
+- int lpcm_align;
+- int bytes_to_iframe;
+- int align_iframe;
+- int64_t vobu_start_pts;
+-} StreamInfo;
+-
+-typedef struct {
+- int packet_size; /* required packet size */
+- int packet_number;
+- int pack_header_freq; /* frequency (in packets^-1) at which we send pack headers */
+- int system_header_freq;
+- int system_header_size;
+- int mux_rate; /* bitrate in units of 50 bytes/s */
+- /* stream info */
+- int audio_bound;
+- int video_bound;
+- int is_mpeg2;
+- int is_vcd;
+- int is_svcd;
+- int is_dvd;
+- int64_t last_scr; /* current system clock */
+-
+- double vcd_padding_bitrate; //FIXME floats
+- int64_t vcd_padding_bytes_written;
+-
+-} MpegMuxContext;
+-
+-static int put_pack_header(AVFormatContext *ctx,
+- uint8_t *buf, int64_t timestamp)
++int ff_pes_muxer_init(AVFormatContext *ctx)
+ {
+- MpegMuxContext *s = ctx->priv_data;
+- PutBitContext pb;
+-
+- init_put_bits(&pb, buf, 128);
+-
+- put_bits(&pb, 32, PACK_START_CODE);
+- if (s->is_mpeg2) {
+- put_bits(&pb, 2, 0x1);
+- } else {
+- put_bits(&pb, 4, 0x2);
+- }
+- put_bits(&pb, 3, (uint32_t)((timestamp >> 30) & 0x07));
+- put_bits(&pb, 1, 1);
+- put_bits(&pb, 15, (uint32_t)((timestamp >> 15) & 0x7fff));
+- put_bits(&pb, 1, 1);
+- put_bits(&pb, 15, (uint32_t)((timestamp) & 0x7fff));
+- put_bits(&pb, 1, 1);
+- if (s->is_mpeg2) {
+- /* clock extension */
+- put_bits(&pb, 9, 0);
+- }
+- put_bits(&pb, 1, 1);
+- put_bits(&pb, 22, s->mux_rate);
+- put_bits(&pb, 1, 1);
+- if (s->is_mpeg2) {
+- put_bits(&pb, 1, 1);
+- put_bits(&pb, 5, 0x1f); /* reserved */
+- put_bits(&pb, 3, 0); /* stuffing length */
+- }
+- flush_put_bits(&pb);
+- return pbBufPtr(&pb) - pb.buf;
+-}
+-
+-static int put_system_header(AVFormatContext *ctx, uint8_t *buf,int only_for_stream_id)
+-{
+- MpegMuxContext *s = ctx->priv_data;
+- int size, i, private_stream_coded, id;
+- PutBitContext pb;
+-
+- init_put_bits(&pb, buf, 128);
+-
+- put_bits(&pb, 32, SYSTEM_HEADER_START_CODE);
+- put_bits(&pb, 16, 0);
+- put_bits(&pb, 1, 1);
+-
+- put_bits(&pb, 22, s->mux_rate); /* maximum bit rate of the multiplexed stream */
+- put_bits(&pb, 1, 1); /* marker */
+- if (s->is_vcd && only_for_stream_id==VIDEO_ID) {
+- /* This header applies only to the video stream (see VCD standard p. IV-7)*/
+- put_bits(&pb, 6, 0);
+- } else
+- put_bits(&pb, 6, s->audio_bound);
+-
+- if (s->is_vcd) {
+- /* see VCD standard, p. IV-7*/
+- put_bits(&pb, 1, 0);
+- put_bits(&pb, 1, 1);
+- } else {
+- put_bits(&pb, 1, 0); /* variable bitrate*/
+- put_bits(&pb, 1, 0); /* non constrainted bit stream */
+- }
+-
+- if (s->is_vcd || s->is_dvd) {
+- /* see VCD standard p IV-7 */
+- put_bits(&pb, 1, 1); /* audio locked */
+- put_bits(&pb, 1, 1); /* video locked */
+- } else {
+- put_bits(&pb, 1, 0); /* audio locked */
+- put_bits(&pb, 1, 0); /* video locked */
+- }
+-
+- put_bits(&pb, 1, 1); /* marker */
+-
+- if (s->is_vcd && only_for_stream_id==AUDIO_ID) {
+- /* This header applies only to the audio stream (see VCD standard p. IV-7)*/
+- put_bits(&pb, 5, 0);
+- } else
+- put_bits(&pb, 5, s->video_bound);
+-
+- if (s->is_dvd) {
+- put_bits(&pb, 1, 0); /* packet_rate_restriction_flag */
+- put_bits(&pb, 7, 0x7f); /* reserved byte */
+- } else
+- put_bits(&pb, 8, 0xff); /* reserved byte */
+-
+- /* DVD-Video Stream_bound entries
+- id (0xB9) video, maximum P-STD for stream 0xE0. (P-STD_buffer_bound_scale = 1)
+- id (0xB8) audio, maximum P-STD for any MPEG audio (0xC0 to 0xC7) streams. If there are none set to 4096 (32x128). (P-STD_buffer_bound_scale = 0)
+- id (0xBD) private stream 1 (audio other than MPEG and subpictures). (P-STD_buffer_bound_scale = 1)
+- id (0xBF) private stream 2, NAV packs, set to 2x1024. */
+- if (s->is_dvd) {
+-
+- int P_STD_max_video = 0;
+- int P_STD_max_mpeg_audio = 0;
+- int P_STD_max_mpeg_PS1 = 0;
+-
+- for(i=0;i<ctx->nb_streams;i++) {
+- StreamInfo *stream = ctx->streams[i]->priv_data;
+-
+- id = stream->id;
+- if (id == 0xbd && stream->max_buffer_size > P_STD_max_mpeg_PS1) {
+- P_STD_max_mpeg_PS1 = stream->max_buffer_size;
+- } else if (id >= 0xc0 && id <= 0xc7 && stream->max_buffer_size > P_STD_max_mpeg_audio) {
+- P_STD_max_mpeg_audio = stream->max_buffer_size;
+- } else if (id == 0xe0 && stream->max_buffer_size > P_STD_max_video) {
+- P_STD_max_video = stream->max_buffer_size;
+- }
+- }
+-
+- /* video */
+- put_bits(&pb, 8, 0xb9); /* stream ID */
+- put_bits(&pb, 2, 3);
+- put_bits(&pb, 1, 1);
+- put_bits(&pb, 13, P_STD_max_video / 1024);
+-
+- /* audio */
+- if (P_STD_max_mpeg_audio == 0)
+- P_STD_max_mpeg_audio = 4096;
+- put_bits(&pb, 8, 0xb8); /* stream ID */
+- put_bits(&pb, 2, 3);
+- put_bits(&pb, 1, 0);
+- put_bits(&pb, 13, P_STD_max_mpeg_audio / 128);
+-
+- /* private stream 1 */
+- put_bits(&pb, 8, 0xbd); /* stream ID */
+- put_bits(&pb, 2, 3);
+- put_bits(&pb, 1, 0);
+- put_bits(&pb, 13, P_STD_max_mpeg_PS1 / 128);
+-
+- /* private stream 2 */
+- put_bits(&pb, 8, 0xbf); /* stream ID */
+- put_bits(&pb, 2, 3);
+- put_bits(&pb, 1, 1);
+- put_bits(&pb, 13, 2);
+- }
+- else {
+- /* audio stream info */
+- private_stream_coded = 0;
+- for(i=0;i<ctx->nb_streams;i++) {
+- StreamInfo *stream = ctx->streams[i]->priv_data;
+-
+-
+- /* For VCDs, only include the stream info for the stream
+- that the pack which contains this system belongs to.
+- (see VCD standard p. IV-7) */
+- if ( !s->is_vcd || stream->id==only_for_stream_id
+- || only_for_stream_id==0) {
+-
+- id = stream->id;
+- if (id < 0xc0) {
+- /* special case for private streams (AC3 use that) */
+- if (private_stream_coded)
+- continue;
+- private_stream_coded = 1;
+- id = 0xbd;
+- }
+- put_bits(&pb, 8, id); /* stream ID */
+- put_bits(&pb, 2, 3);
+- if (id < 0xe0) {
+- /* audio */
+- put_bits(&pb, 1, 0);
+- put_bits(&pb, 13, stream->max_buffer_size / 128);
+- } else {
+- /* video */
+- put_bits(&pb, 1, 1);
+- put_bits(&pb, 13, stream->max_buffer_size / 1024);
+- }
+- }
+- }
+- }
+-
+- flush_put_bits(&pb);
+- size = pbBufPtr(&pb) - pb.buf;
+- /* patch packet size */
+- buf[4] = (size - 6) >> 8;
+- buf[5] = (size - 6) & 0xff;
+-
+- return size;
+-}
+-
+-static int get_system_header_size(AVFormatContext *ctx)
+-{
+- int buf_index, i, private_stream_coded;
+- StreamInfo *stream;
+- MpegMuxContext *s = ctx->priv_data;
+-
+- if (s->is_dvd)
+- return 18; // DVD-Video system headers are 18 bytes fixed length.
+-
+- buf_index = 12;
+- private_stream_coded = 0;
+- for(i=0;i<ctx->nb_streams;i++) {
+- stream = ctx->streams[i]->priv_data;
+- if (stream->id < 0xc0) {
+- if (private_stream_coded)
+- continue;
+- private_stream_coded = 1;
+- }
+- buf_index += 3;
+- }
+- return buf_index;
+-}
+-
+-static int mpeg_mux_init(AVFormatContext *ctx)
+-{
+- MpegMuxContext *s = ctx->priv_data;
+- int bitrate, i, mpa_id, mpv_id, mps_id, ac3_id, dts_id, lpcm_id, j;
+ AVStream *st;
+- StreamInfo *stream;
+- int audio_bitrate;
+- int video_bitrate;
++ PESStream *stream;
++ int i;
+
+- s->packet_number = 0;
+- s->is_vcd = (ctx->oformat == &mpeg1vcd_muxer);
+- s->is_svcd = (ctx->oformat == &mpeg2svcd_muxer);
+- s->is_mpeg2 = (ctx->oformat == &mpeg2vob_muxer || ctx->oformat == &mpeg2svcd_muxer || ctx->oformat == &mpeg2dvd_muxer);
+- s->is_dvd = (ctx->oformat == &mpeg2dvd_muxer);
+-
+- if(ctx->packet_size)
+- s->packet_size = ctx->packet_size;
+- else
+- s->packet_size = 2048;
+-
+- s->vcd_padding_bytes_written = 0;
+- s->vcd_padding_bitrate=0;
+-
+- s->audio_bound = 0;
+- s->video_bound = 0;
+- mpa_id = AUDIO_ID;
+- ac3_id = AC3_ID;
+- dts_id = DTS_ID;
+- mpv_id = VIDEO_ID;
+- mps_id = SUB_ID;
+- lpcm_id = LPCM_ID;
+ for(i=0;i<ctx->nb_streams;i++) {
+ st = ctx->streams[i];
+- stream = av_mallocz(sizeof(StreamInfo));
+- if (!stream)
+- goto fail;
+- st->priv_data = stream;
+-
++ stream = (PESStream*)st->priv_data;
+ av_set_pts_info(st, 64, 1, 90000);
+
+ switch(st->codec->codec_type) {
+ case CODEC_TYPE_AUDIO:
+- if (st->codec->codec_id == CODEC_ID_AC3) {
+- stream->id = ac3_id++;
+- } else if (st->codec->codec_id == CODEC_ID_DTS) {
+- stream->id = dts_id++;
+- } else if (st->codec->codec_id == CODEC_ID_PCM_S16BE) {
+- stream->id = lpcm_id++;
+- for(j = 0; j < 4; j++) {
+- if (lpcm_freq_tab[j] == st->codec->sample_rate)
+- break;
+- }
+- if (j == 4)
+- goto fail;
+- if (st->codec->channels > 8)
+- return -1;
+- stream->lpcm_header[0] = 0x0c;
+- stream->lpcm_header[1] = (st->codec->channels - 1) | (j << 4);
+- stream->lpcm_header[2] = 0x80;
+- stream->lpcm_align = st->codec->channels * 2;
+- } else {
+- stream->id = mpa_id++;
+- }
+-
+ /* This value HAS to be used for VCD (see VCD standard, p. IV-7).
+ Right now it is also used for everything else.*/
+ stream->max_buffer_size = 4 * 1024;
+- s->audio_bound++;
+ break;
+ case CODEC_TYPE_VIDEO:
+- stream->id = mpv_id++;
+- if (st->codec->rc_buffer_size)
+- stream->max_buffer_size = 6*1024 + st->codec->rc_buffer_size/8;
+- else
+- stream->max_buffer_size = 230*1024; //FIXME this is probably too small as default
+ #if 0
+ /* see VCD standard, p. IV-7*/
+ stream->max_buffer_size = 46 * 1024;
+@@ -366,10 +49,12 @@
+ Right now it is also used for everything else.*/
+ stream->max_buffer_size = 230 * 1024;
+ #endif
+- s->video_bound++;
++ if (st->codec->rc_buffer_size)
++ stream->max_buffer_size = 6*1024 + st->codec->rc_buffer_size/8;
++ else
++ stream->max_buffer_size = 230*1024; //FIXME this is probably too small as default
+ break;
+ case CODEC_TYPE_SUBTITLE:
+- stream->id = mps_id++;
+ stream->max_buffer_size = 16 * 1024;
+ break;
+ default:
+@@ -377,106 +62,10 @@
+ }
+ av_fifo_init(&stream->fifo, 16);
+ }
+- bitrate = 0;
+- audio_bitrate = 0;
+- video_bitrate = 0;
+- for(i=0;i<ctx->nb_streams;i++) {
+- int codec_rate;
+- st = ctx->streams[i];
+- stream = (StreamInfo*) st->priv_data;
+-
+- if(st->codec->rc_max_rate || stream->id==VIDEO_ID)
+- codec_rate= st->codec->rc_max_rate;
+- else
+- codec_rate= st->codec->bit_rate;
+-
+- if(!codec_rate)
+- codec_rate= (1<<21)*8*50/ctx->nb_streams;
+-
+- bitrate += codec_rate;
+-
+- if (stream->id==AUDIO_ID)
+- audio_bitrate += codec_rate;
+- else if (stream->id==VIDEO_ID)
+- video_bitrate += codec_rate;
+- }
+-
+- if(ctx->mux_rate){
+- s->mux_rate= (ctx->mux_rate + (8 * 50) - 1) / (8 * 50);
+- } else {
+- /* we increase slightly the bitrate to take into account the
+- headers. XXX: compute it exactly */
+- bitrate += bitrate*5/100;
+- bitrate += 10000;
+- s->mux_rate = (bitrate + (8 * 50) - 1) / (8 * 50);
+- }
+-
+- if (s->is_vcd) {
+- double overhead_rate;
+-
+- /* The VCD standard mandates that the mux_rate field is 3528
+- (see standard p. IV-6).
+- The value is actually "wrong", i.e. if you calculate
+- it using the normal formula and the 75 sectors per second transfer
+- rate you get a different value because the real pack size is 2324,
+- not 2352. But the standard explicitly specifies that the mux_rate
+- field in the header must have this value.*/
+-// s->mux_rate=2352 * 75 / 50; /* = 3528*/
+-
+- /* The VCD standard states that the muxed stream must be
+- exactly 75 packs / second (the data rate of a single speed cdrom).
+- Since the video bitrate (probably 1150000 bits/sec) will be below
+- the theoretical maximum we have to add some padding packets
+- to make up for the lower data rate.
+- (cf. VCD standard p. IV-6 )*/
+-
+- /* Add the header overhead to the data rate.
+- 2279 data bytes per audio pack, 2294 data bytes per video pack*/
+- overhead_rate = ((audio_bitrate / 8.0) / 2279) * (2324 - 2279);
+- overhead_rate += ((video_bitrate / 8.0) / 2294) * (2324 - 2294);
+- overhead_rate *= 8;
+-
+- /* Add padding so that the full bitrate is 2324*75 bytes/sec */
+- s->vcd_padding_bitrate = 2324 * 75 * 8 - (bitrate + overhead_rate);
+- }
+-
+- if (s->is_vcd || s->is_mpeg2)
+- /* every packet */
+- s->pack_header_freq = 1;
+- else
+- /* every 2 seconds */
+- s->pack_header_freq = 2 * bitrate / s->packet_size / 8;
+-
+- /* the above seems to make pack_header_freq zero sometimes */
+- if (s->pack_header_freq == 0)
+- s->pack_header_freq = 1;
+-
+- if (s->is_mpeg2)
+- /* every 200 packets. Need to look at the spec. */
+- s->system_header_freq = s->pack_header_freq * 40;
+- else if (s->is_vcd)
+- /* the standard mandates that there are only two system headers
+- in the whole file: one in the first packet of each stream.
+- (see standard p. IV-7 and IV-8) */
+- s->system_header_freq = 0x7fffffff;
+- else
+- s->system_header_freq = s->pack_header_freq * 5;
+-
+- for(i=0;i<ctx->nb_streams;i++) {
+- stream = ctx->streams[i]->priv_data;
+- stream->packet_number = 0;
+- }
+- s->system_header_size = get_system_header_size(ctx);
+- s->last_scr = 0;
+ return 0;
+- fail:
+- for(i=0;i<ctx->nb_streams;i++) {
+- av_free(ctx->streams[i]->priv_data);
+- }
+- return AVERROR(ENOMEM);
+ }
+
+-static inline void put_timestamp(ByteIOContext *pb, int id, int64_t timestamp)
++void ff_put_timestamp(ByteIOContext *pb, int id, int64_t timestamp)
+ {
+ put_byte(pb,
+ (id << 4) |
+@@ -486,136 +75,17 @@
+ put_be16(pb, (uint16_t)((((timestamp) & 0x7fff) << 1) | 1));
+ }
+
+-
+-/* return the number of padding bytes that should be inserted into
+- the multiplexed stream.*/
+-static int get_vcd_padding_size(AVFormatContext *ctx, int64_t pts)
++static inline void put_timestamp_bytestream(uint8_t** p, int id, int64_t timestamp)
+ {
+- MpegMuxContext *s = ctx->priv_data;
+- int pad_bytes = 0;
+-
+- if (s->vcd_padding_bitrate > 0 && pts!=AV_NOPTS_VALUE)
+- {
+- int64_t full_pad_bytes;
+-
+- full_pad_bytes = (int64_t)((s->vcd_padding_bitrate * (pts / 90000.0)) / 8.0); //FIXME this is wrong
+- pad_bytes = (int) (full_pad_bytes - s->vcd_padding_bytes_written);
+-
+- if (pad_bytes<0)
+- /* might happen if we have already padded to a later timestamp. This
+- can occur if another stream has already advanced further.*/
+- pad_bytes=0;
+- }
+-
+- return pad_bytes;
++ bytestream_put_byte(p,
++ (id << 4) |
++ (((timestamp >> 30) & 0x07) << 1) |
++ 1);
++ bytestream_put_be16(p, (uint16_t)((((timestamp >> 15) & 0x7fff) << 1) | 1));
++ bytestream_put_be16(p, (uint16_t)((((timestamp) & 0x7fff) << 1) | 1));
+ }
+
+-
+-#if 0 /* unused, remove? */
+-/* return the exact available payload size for the next packet for
+- stream 'stream_index'. 'pts' and 'dts' are only used to know if
+- timestamps are needed in the packet header. */
+-static int get_packet_payload_size(AVFormatContext *ctx, int stream_index,
+- int64_t pts, int64_t dts)
+-{
+- MpegMuxContext *s = ctx->priv_data;
+- int buf_index;
+- StreamInfo *stream;
+-
+- stream = ctx->streams[stream_index]->priv_data;
+-
+- buf_index = 0;
+- if (((s->packet_number % s->pack_header_freq) == 0)) {
+- /* pack header size */
+- if (s->is_mpeg2)
+- buf_index += 14;
+- else
+- buf_index += 12;
+-
+- if (s->is_vcd) {
+- /* there is exactly one system header for each stream in a VCD MPEG,
+- One in the very first video packet and one in the very first
+- audio packet (see VCD standard p. IV-7 and IV-8).*/
+-
+- if (stream->packet_number==0)
+- /* The system headers refer only to the stream they occur in,
+- so they have a constant size.*/
+- buf_index += 15;
+-
+- } else {
+- if ((s->packet_number % s->system_header_freq) == 0)
+- buf_index += s->system_header_size;
+- }
+- }
+-
+- if ((s->is_vcd && stream->packet_number==0)
+- || (s->is_svcd && s->packet_number==0))
+- /* the first pack of each stream contains only the pack header,
+- the system header and some padding (see VCD standard p. IV-6)
+- Add the padding size, so that the actual payload becomes 0.*/
+- buf_index += s->packet_size - buf_index;
+- else {
+- /* packet header size */
+- buf_index += 6;
+- if (s->is_mpeg2) {
+- buf_index += 3;
+- if (stream->packet_number==0)
+- buf_index += 3; /* PES extension */
+- buf_index += 1; /* obligatory stuffing byte */
+- }
+- if (pts != AV_NOPTS_VALUE) {
+- if (dts != pts)
+- buf_index += 5 + 5;
+- else
+- buf_index += 5;
+-
+- } else {
+- if (!s->is_mpeg2)
+- buf_index++;
+- }
+-
+- if (stream->id < 0xc0) {
+- /* AC3/LPCM private data header */
+- buf_index += 4;
+- if (stream->id >= 0xa0) {
+- int n;
+- buf_index += 3;
+- /* NOTE: we round the payload size to an integer number of
+- LPCM samples */
+- n = (s->packet_size - buf_index) % stream->lpcm_align;
+- if (n)
+- buf_index += (stream->lpcm_align - n);
+- }
+- }
+-
+- if (s->is_vcd && stream->id == AUDIO_ID)
+- /* The VCD standard demands that 20 zero bytes follow
+- each audio packet (see standard p. IV-8).*/
+- buf_index+=20;
+- }
+- return s->packet_size - buf_index;
+-}
+-#endif
+-
+-/* Write an MPEG padding packet header. */
+-static void put_padding_packet(AVFormatContext *ctx, ByteIOContext *pb,int packet_bytes)
+-{
+- MpegMuxContext *s = ctx->priv_data;
+- int i;
+-
+- put_be32(pb, PADDING_STREAM);
+- put_be16(pb, packet_bytes - 6);
+- if (!s->is_mpeg2) {
+- put_byte(pb, 0x0f);
+- packet_bytes -= 7;
+- } else
+- packet_bytes -= 6;
+-
+- for(i=0;i<packet_bytes;i++)
+- put_byte(pb, 0xff);
+-}
+-
+-static int get_nb_frames(AVFormatContext *ctx, StreamInfo *stream, int len){
++int ff_get_nb_frames(AVFormatContext *ctx, PESStream *stream, int len){
+ int nb_frames=0;
+ PacketDesc *pkt_desc= stream->premux_packet;
+
+@@ -629,365 +99,13 @@
+ return nb_frames;
+ }
+
+-/* flush the packet on stream stream_index */
+-static int flush_packet(AVFormatContext *ctx, int stream_index,
+- int64_t pts, int64_t dts, int64_t scr, int trailer_size)
++int ff_pes_remove_decoded_packets(AVFormatContext *ctx, int64_t scr)
+ {
+- MpegMuxContext *s = ctx->priv_data;
+- StreamInfo *stream = ctx->streams[stream_index]->priv_data;
+- uint8_t *buf_ptr;
+- int size, payload_size, startcode, id, stuffing_size, i, header_len;
+- int packet_size;
+- uint8_t buffer[128];
+- int zero_trail_bytes = 0;
+- int pad_packet_bytes = 0;
+- int pes_flags;
+- int general_pack = 0; /*"general" pack without data specific to one stream?*/
+- int nb_frames;
+-
+- id = stream->id;
+-
+-#if 0
+- printf("packet ID=%2x PTS=%0.3f\n",
+- id, pts / 90000.0);
+-#endif
+-
+- buf_ptr = buffer;
+-
+- if ((s->packet_number % s->pack_header_freq) == 0 || s->last_scr != scr) {
+- /* output pack and systems header if needed */
+- size = put_pack_header(ctx, buf_ptr, scr);
+- buf_ptr += size;
+- s->last_scr= scr;
+-
+- if (s->is_vcd) {
+- /* there is exactly one system header for each stream in a VCD MPEG,
+- One in the very first video packet and one in the very first
+- audio packet (see VCD standard p. IV-7 and IV-8).*/
+-
+- if (stream->packet_number==0) {
+- size = put_system_header(ctx, buf_ptr, id);
+- buf_ptr += size;
+- }
+- } else if (s->is_dvd) {
+- if (stream->align_iframe || s->packet_number == 0){
+- int PES_bytes_to_fill = s->packet_size - size - 10;
+-
+- if (pts != AV_NOPTS_VALUE) {
+- if (dts != pts)
+- PES_bytes_to_fill -= 5 + 5;
+- else
+- PES_bytes_to_fill -= 5;
+- }
+-
+- if (stream->bytes_to_iframe == 0 || s->packet_number == 0) {
+- size = put_system_header(ctx, buf_ptr, 0);
+- buf_ptr += size;
+- size = buf_ptr - buffer;
+- put_buffer(&ctx->pb, buffer, size);
+-
+- put_be32(&ctx->pb, PRIVATE_STREAM_2);
+- put_be16(&ctx->pb, 0x03d4); // length
+- put_byte(&ctx->pb, 0x00); // substream ID, 00=PCI
+- for (i = 0; i < 979; i++)
+- put_byte(&ctx->pb, 0x00);
+-
+- put_be32(&ctx->pb, PRIVATE_STREAM_2);
+- put_be16(&ctx->pb, 0x03fa); // length
+- put_byte(&ctx->pb, 0x01); // substream ID, 01=DSI
+- for (i = 0; i < 1017; i++)
+- put_byte(&ctx->pb, 0x00);
+-
+- memset(buffer, 0, 128);
+- buf_ptr = buffer;
+- s->packet_number++;
+- stream->align_iframe = 0;
+- scr += s->packet_size*90000LL / (s->mux_rate*50LL); //FIXME rounding and first few bytes of each packet
+- size = put_pack_header(ctx, buf_ptr, scr);
+- s->last_scr= scr;
+- buf_ptr += size;
+- /* GOP Start */
+- } else if (stream->bytes_to_iframe < PES_bytes_to_fill) {
+- pad_packet_bytes = PES_bytes_to_fill - stream->bytes_to_iframe;
+- }
+- }
+- } else {
+- if ((s->packet_number % s->system_header_freq) == 0) {
+- size = put_system_header(ctx, buf_ptr, 0);
+- buf_ptr += size;
+- }
+- }
+- }
+- size = buf_ptr - buffer;
+- put_buffer(&ctx->pb, buffer, size);
+-
+- packet_size = s->packet_size - size;
+-
+- if (s->is_vcd && id == AUDIO_ID)
+- /* The VCD standard demands that 20 zero bytes follow
+- each audio pack (see standard p. IV-8).*/
+- zero_trail_bytes += 20;
+-
+- if ((s->is_vcd && stream->packet_number==0)
+- || (s->is_svcd && s->packet_number==0)) {
+- /* for VCD the first pack of each stream contains only the pack header,
+- the system header and lots of padding (see VCD standard p. IV-6).
+- In the case of an audio pack, 20 zero bytes are also added at
+- the end.*/
+- /* For SVCD we fill the very first pack to increase compatibility with
+- some DVD players. Not mandated by the standard.*/
+- if (s->is_svcd)
+- general_pack = 1; /* the system header refers to both streams and no stream data*/
+- pad_packet_bytes = packet_size - zero_trail_bytes;
+- }
+-
+- packet_size -= pad_packet_bytes + zero_trail_bytes;
+-
+- if (packet_size > 0) {
+-
+- /* packet header size */
+- packet_size -= 6;
+-
+- /* packet header */
+- if (s->is_mpeg2) {
+- header_len = 3;
+- if (stream->packet_number==0)
+- header_len += 3; /* PES extension */
+- header_len += 1; /* obligatory stuffing byte */
+- } else {
+- header_len = 0;
+- }
+- if (pts != AV_NOPTS_VALUE) {
+- if (dts != pts)
+- header_len += 5 + 5;
+- else
+- header_len += 5;
+- } else {
+- if (!s->is_mpeg2)
+- header_len++;
+- }
+-
+- payload_size = packet_size - header_len;
+- if (id < 0xc0) {
+- startcode = PRIVATE_STREAM_1;
+- payload_size -= 1;
+- if (id >= 0x40) {
+- payload_size -= 3;
+- if (id >= 0xa0)
+- payload_size -= 3;
+- }
+- } else {
+- startcode = 0x100 + id;
+- }
+-
+- stuffing_size = payload_size - av_fifo_size(&stream->fifo);
+-
+- // first byte does not fit -> reset pts/dts + stuffing
+- if(payload_size <= trailer_size && pts != AV_NOPTS_VALUE){
+- int timestamp_len=0;
+- if(dts != pts)
+- timestamp_len += 5;
+- if(pts != AV_NOPTS_VALUE)
+- timestamp_len += s->is_mpeg2 ? 5 : 4;
+- pts=dts= AV_NOPTS_VALUE;
+- header_len -= timestamp_len;
+- if (s->is_dvd && stream->align_iframe) {
+- pad_packet_bytes += timestamp_len;
+- packet_size -= timestamp_len;
+- } else {
+- payload_size += timestamp_len;
+- }
+- stuffing_size += timestamp_len;
+- if(payload_size > trailer_size)
+- stuffing_size += payload_size - trailer_size;
+- }
+-
+- if (pad_packet_bytes > 0 && pad_packet_bytes <= 7) { // can't use padding, so use stuffing
+- packet_size += pad_packet_bytes;
+- payload_size += pad_packet_bytes; // undo the previous adjustment
+- if (stuffing_size < 0) {
+- stuffing_size = pad_packet_bytes;
+- } else {
+- stuffing_size += pad_packet_bytes;
+- }
+- pad_packet_bytes = 0;
+- }
+-
+- if (stuffing_size < 0)
+- stuffing_size = 0;
+- if (stuffing_size > 16) { /*<=16 for MPEG-1, <=32 for MPEG-2*/
+- pad_packet_bytes += stuffing_size;
+- packet_size -= stuffing_size;
+- payload_size -= stuffing_size;
+- stuffing_size = 0;
+- }
+-
+- nb_frames= get_nb_frames(ctx, stream, payload_size - stuffing_size);
+-
+- put_be32(&ctx->pb, startcode);
+-
+- put_be16(&ctx->pb, packet_size);
+-
+- if (!s->is_mpeg2)
+- for(i=0;i<stuffing_size;i++)
+- put_byte(&ctx->pb, 0xff);
+-
+- if (s->is_mpeg2) {
+- put_byte(&ctx->pb, 0x80); /* mpeg2 id */
+-
+- pes_flags=0;
+-
+- if (pts != AV_NOPTS_VALUE) {
+- pes_flags |= 0x80;
+- if (dts != pts)
+- pes_flags |= 0x40;
+- }
+-
+- /* Both the MPEG-2 and the SVCD standards demand that the
+- P-STD_buffer_size field be included in the first packet of
+- every stream. (see SVCD standard p. 26 V.2.3.1 and V.2.3.2
+- and MPEG-2 standard 2.7.7) */
+- if (stream->packet_number == 0)
+- pes_flags |= 0x01;
+-
+- put_byte(&ctx->pb, pes_flags); /* flags */
+- put_byte(&ctx->pb, header_len - 3 + stuffing_size);
+-
+- if (pes_flags & 0x80) /*write pts*/
+- put_timestamp(&ctx->pb, (pes_flags & 0x40) ? 0x03 : 0x02, pts);
+- if (pes_flags & 0x40) /*write dts*/
+- put_timestamp(&ctx->pb, 0x01, dts);
+-
+- if (pes_flags & 0x01) { /*write pes extension*/
+- put_byte(&ctx->pb, 0x10); /* flags */
+-
+- /* P-STD buffer info */
+- if (id == AUDIO_ID)
+- put_be16(&ctx->pb, 0x4000 | stream->max_buffer_size/128);
+- else
+- put_be16(&ctx->pb, 0x6000 | stream->max_buffer_size/1024);
+- }
+-
+- } else {
+- if (pts != AV_NOPTS_VALUE) {
+- if (dts != pts) {
+- put_timestamp(&ctx->pb, 0x03, pts);
+- put_timestamp(&ctx->pb, 0x01, dts);
+- } else {
+- put_timestamp(&ctx->pb, 0x02, pts);
+- }
+- } else {
+- put_byte(&ctx->pb, 0x0f);
+- }
+- }
+-
+- if (s->is_mpeg2) {
+- /* special stuffing byte that is always written
+- to prevent accidental generation of start codes. */
+- put_byte(&ctx->pb, 0xff);
+-
+- for(i=0;i<stuffing_size;i++)
+- put_byte(&ctx->pb, 0xff);
+- }
+-
+- if (startcode == PRIVATE_STREAM_1) {
+- put_byte(&ctx->pb, id);
+- if (id >= 0xa0) {
+- /* LPCM (XXX: check nb_frames) */
+- put_byte(&ctx->pb, 7);
+- put_be16(&ctx->pb, 4); /* skip 3 header bytes */
+- put_byte(&ctx->pb, stream->lpcm_header[0]);
+- put_byte(&ctx->pb, stream->lpcm_header[1]);
+- put_byte(&ctx->pb, stream->lpcm_header[2]);
+- } else if (id >= 0x40) {
+- /* AC3 */
+- put_byte(&ctx->pb, nb_frames);
+- put_be16(&ctx->pb, trailer_size+1);
+- }
+- }
+-
+- /* output data */
+- if(av_fifo_generic_read(&stream->fifo, payload_size - stuffing_size, &put_buffer, &ctx->pb) < 0)
+- return -1;
+- stream->bytes_to_iframe -= payload_size - stuffing_size;
+- }else{
+- payload_size=
+- stuffing_size= 0;
+- }
+-
+- if (pad_packet_bytes > 0)
+- put_padding_packet(ctx,&ctx->pb, pad_packet_bytes);
+-
+- for(i=0;i<zero_trail_bytes;i++)
+- put_byte(&ctx->pb, 0x00);
+-
+- put_flush_packet(&ctx->pb);
+-
+- s->packet_number++;
+-
+- /* only increase the stream packet number if this pack actually contains
+- something that is specific to this stream! I.e. a dedicated header
+- or some data.*/
+- if (!general_pack)
+- stream->packet_number++;
+-
+- return payload_size - stuffing_size;
+-}
+-
+-static void put_vcd_padding_sector(AVFormatContext *ctx)
+-{
+- /* There are two ways to do this padding: writing a sector/pack
+- of 0 values, or writing an MPEG padding pack. Both seem to
+- work with most decoders, BUT the VCD standard only allows a 0-sector
+- (see standard p. IV-4, IV-5).
+- So a 0-sector it is...*/
+-
+- MpegMuxContext *s = ctx->priv_data;
+ int i;
+
+- for(i=0;i<s->packet_size;i++)
+- put_byte(&ctx->pb, 0);
+-
+- s->vcd_padding_bytes_written += s->packet_size;
+-
+- put_flush_packet(&ctx->pb);
+-
+- /* increasing the packet number is correct. The SCR of the following packs
+- is calculated from the packet_number and it has to include the padding
+- sector (it represents the sector index, not the MPEG pack index)
+- (see VCD standard p. IV-6)*/
+- s->packet_number++;
+-}
+-
+-#if 0 /* unused, remove? */
+-static int64_t get_vcd_scr(AVFormatContext *ctx,int stream_index,int64_t pts)
+-{
+- MpegMuxContext *s = ctx->priv_data;
+- int64_t scr;
+-
+- /* Since the data delivery rate is constant, SCR is computed
+- using the formula C + i * 1200 where C is the start constant
+- and i is the pack index.
+- It is recommended that SCR 0 is at the beginning of the VCD front
+- margin (a sequence of empty Form 2 sectors on the CD).
+- It is recommended that the front margin is 30 sectors long, so
+- we use C = 30*1200 = 36000
+- (Note that even if the front margin is not 30 sectors the file
+- will still be correct according to the standard. It just won't have
+- the "recommended" value).*/
+- scr = 36000 + s->packet_number * 1200;
+-
+- return scr;
+-}
+-#endif
+-
+-static int remove_decoded_packets(AVFormatContext *ctx, int64_t scr){
+-// MpegMuxContext *s = ctx->priv_data;
+- int i;
+-
+ for(i=0; i<ctx->nb_streams; i++){
+ AVStream *st = ctx->streams[i];
+- StreamInfo *stream = st->priv_data;
++ PESStream *stream = st->priv_data;
+ PacketDesc *pkt_desc;
+
+ while((pkt_desc= stream->predecode_packet)
+@@ -1000,31 +118,89 @@
+ break;
+ }
+ stream->buffer_index -= pkt_desc->size;
+-
+ stream->predecode_packet= pkt_desc->next;
+ av_freep(&pkt_desc);
+ }
+ }
+-
+ return 0;
+ }
+
+-static int output_packet(AVFormatContext *ctx, int flush){
+- MpegMuxContext *s = ctx->priv_data;
+- AVStream *st;
+- StreamInfo *stream;
+- int i, avail_space, es_size, trailer_size;
+- int best_i= -1;
+- int best_score= INT_MIN;
+- int ignore_constraints=0;
+- int64_t scr= s->last_scr;
+- PacketDesc *timestamp_packet;
++int ff_pes_muxer_write(AVFormatContext *ctx, int stream_index, uint8_t *pes_buffer,
++ int64_t pts,int64_t dts, int id, int startcode,
++ uint8_t* pes_content, int pes_content_len,
++ int header_len, int packet_size, int payload_size, int stuffing_size)
++{
++ PESStream *stream = ctx->streams[stream_index]->priv_data;
++ PESContext *context = ctx->priv_data;
++ int pes_flags, i;
++ int data_size = payload_size - stuffing_size;
++ uint8_t *q = pes_buffer;
++
++ bytestream_put_be32(&q, startcode);
++
++ bytestream_put_be16(&q, packet_size);
++ bytestream_put_byte(&q, 0x80); /* mpeg2 id */
++
++ pes_flags=0;
++
++ if (pts != AV_NOPTS_VALUE) {
++ pes_flags |= 0x80;
++ if (dts != pts)
++ pes_flags |= 0x40;
++ }
++
++ /* Both the MPEG-2 and the SVCD standards demand that the
++ P-STD_buffer_size field be included in the first packet of
++ every stream. (see SVCD standard p. 26 V.2.3.1 and V.2.3.2
++ and MPEG-2 standard 2.7.7) */
++ if (context->packet_number == 0 && context->muxer_type == PESMUXER_PS)
++ pes_flags |= 0x01;
++
++ bytestream_put_byte(&q, pes_flags);
++ bytestream_put_byte(&q, header_len - 3 + stuffing_size);
++
++ if (pes_flags & 0x80) /*write pts*/
++ put_timestamp_bytestream(&q, (pes_flags & 0x40) ? 0x03 : 0x02, pts);
++ if (pes_flags & 0x40) /*write dts*/
++ put_timestamp_bytestream(&q, 0x01, dts);
++
++ if (pes_flags & 0x01) { /*write pes extension*/
++ bytestream_put_byte(&q, 0x10);
++
++ /* P-STD buffer info */
++ if (id == AUDIO_ID)
++ bytestream_put_be16(&q, 0x4000 | stream ->max_buffer_size/128);
++ else
++ bytestream_put_be16(&q, 0x6000 | stream ->max_buffer_size/1024);
++ }
++
++ /* special stuffing byte that is always written
++ to prevent accidental generation of startcodes. */
++ bytestream_put_byte(&q, 0xff);
++
++ for (i=0;i<stuffing_size;i++)
++ bytestream_put_byte(&q, 0xff);
++
++ if(pes_content != NULL)
++ bytestream_put_buffer(&q, pes_content, pes_content_len);
++
++ /* output data */
++ if(av_fifo_read(&stream->fifo, q, data_size) < 0)
++ return -1;
++ return (q - pes_buffer + data_size);
++}
++
++int ff_pes_find_beststream(AVFormatContext *ctx, int packet_size, int flush, int64_t scr, int* best_i)
++{
++ int best_score = INT_MIN;
++ int i, avail_space = 0;
++ int ignore_constraints = 0;
+ const int64_t max_delay= av_rescale(ctx->max_delay, 90000, AV_TIME_BASE);
+
+ retry:
+ for(i=0; i<ctx->nb_streams; i++){
+ AVStream *st = ctx->streams[i];
+- StreamInfo *stream = st->priv_data;
++ PESStream*stream = st->priv_data;
+ const int avail_data= av_fifo_size(&stream->fifo);
+ const int space= stream->max_buffer_size - stream->buffer_index;
+ int rel_space= 1024*space / stream->max_buffer_size;
+@@ -1032,14 +208,14 @@
+
+ /* for subtitle, a single PES packet must be generated,
+ so we flush after every single subtitle packet */
+- if(s->packet_size > avail_data && !flush
++ if(packet_size > avail_data && !flush
+ && st->codec->codec_type != CODEC_TYPE_SUBTITLE)
+ return 0;
+ if(avail_data==0)
+ continue;
+ assert(avail_data>0);
+
+- if(space < s->packet_size && !ignore_constraints)
++ if(space < packet_size && !ignore_constraints)
+ continue;
+
+ if(next_pkt && next_pkt->dts - scr > max_delay)
+@@ -1047,26 +223,27 @@
+
+ if(rel_space > best_score){
+ best_score= rel_space;
+- best_i = i;
++ *best_i = i;
+ avail_space= space;
+ }
+ }
+
+- if(best_i < 0){
++ if(*best_i < 0){
+ int64_t best_dts= INT64_MAX;
+
+ for(i=0; i<ctx->nb_streams; i++){
+ AVStream *st = ctx->streams[i];
+- StreamInfo *stream = st->priv_data;
++ PESStream *stream = st->priv_data;
+ PacketDesc *pkt_desc= stream->predecode_packet;
+ if(pkt_desc && pkt_desc->dts < best_dts)
+ best_dts= pkt_desc->dts;
+- }
++ }
+
+ #if 0
+ av_log(ctx, AV_LOG_DEBUG, "bumping scr, scr:%f, dts:%f\n",
+ scr/90000.0, best_dts/90000.0);
+ #endif
++
+ if(best_dts == INT64_MAX)
+ return 0;
+
+@@ -1075,75 +252,25 @@
+ ignore_constraints= 1;
+ }
+ scr= FFMAX(best_dts+1, scr);
+- if(remove_decoded_packets(ctx, scr) < 0)
++ if(ff_pes_remove_decoded_packets(ctx, scr) < 0)
+ return -1;
+ goto retry;
+ }
+-
+- assert(best_i >= 0);
+-
+- st = ctx->streams[best_i];
+- stream = st->priv_data;
+-
+- assert(av_fifo_size(&stream->fifo) > 0);
+-
+- assert(avail_space >= s->packet_size || ignore_constraints);
+-
+- timestamp_packet= stream->premux_packet;
+- if(timestamp_packet->unwritten_size == timestamp_packet->size){
+- trailer_size= 0;
+- }else{
+- trailer_size= timestamp_packet->unwritten_size;
+- timestamp_packet= timestamp_packet->next;
+- }
+-
+- if(timestamp_packet){
+-//av_log(ctx, AV_LOG_DEBUG, "dts:%f pts:%f scr:%f stream:%d\n", timestamp_packet->dts/90000.0, timestamp_packet->pts/90000.0, scr/90000.0, best_i);
+- es_size= flush_packet(ctx, best_i, timestamp_packet->pts, timestamp_packet->dts, scr, trailer_size);
+- }else{
+- assert(av_fifo_size(&stream->fifo) == trailer_size);
+- es_size= flush_packet(ctx, best_i, AV_NOPTS_VALUE, AV_NOPTS_VALUE, scr, trailer_size);
+- }
+-
+- if (s->is_vcd) {
+- /* Write one or more padding sectors, if necessary, to reach
+- the constant overall bitrate.*/
+- int vcd_pad_bytes;
+-
+- while((vcd_pad_bytes = get_vcd_padding_size(ctx,stream->premux_packet->pts) ) >= s->packet_size){ //FIXME pts cannot be correct here
+- put_vcd_padding_sector(ctx);
+- s->last_scr += s->packet_size*90000LL / (s->mux_rate*50LL); //FIXME rounding and first few bytes of each packet
+- }
+- }
+-
+- stream->buffer_index += es_size;
+- s->last_scr += s->packet_size*90000LL / (s->mux_rate*50LL); //FIXME rounding and first few bytes of each packet
+-
+- while(stream->premux_packet && stream->premux_packet->unwritten_size <= es_size){
+- es_size -= stream->premux_packet->unwritten_size;
+- stream->premux_packet= stream->premux_packet->next;
+- }
+- if(es_size)
+- stream->premux_packet->unwritten_size -= es_size;
+-
+- if(remove_decoded_packets(ctx, s->last_scr) < 0)
+- return -1;
+-
++ assert(avail_space >= packet_size || ignore_constraints);
+ return 1;
+ }
+
+-static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt)
++
++void ff_pes_write_packet(AVFormatContext *ctx, AVPacket *pkt)
+ {
+- MpegMuxContext *s = ctx->priv_data;
+ int stream_index= pkt->stream_index;
++ AVStream *st = ctx->streams[stream_index];
++ PESStream *stream = st->priv_data;
++ PacketDesc *pkt_desc;
+ int size= pkt->size;
+ uint8_t *buf= pkt->data;
+- AVStream *st = ctx->streams[stream_index];
+- StreamInfo *stream = st->priv_data;
+ int64_t pts, dts;
+- PacketDesc *pkt_desc;
+ const int preload= av_rescale(ctx->preload, 90000, AV_TIME_BASE);
+- const int is_iframe = st->codec->codec_type == CODEC_TYPE_VIDEO && (pkt->flags & PKT_FLAG_KEY);
+
+ pts= pkt->pts;
+ dts= pkt->dts;
+@@ -1151,13 +278,12 @@
+ if(pts != AV_NOPTS_VALUE) pts += preload;
+ if(dts != AV_NOPTS_VALUE) dts += preload;
+
+-//av_log(ctx, AV_LOG_DEBUG, "dts:%f pts:%f flags:%d stream:%d nopts:%d\n", dts/90000.0, pts/90000.0, pkt->flags, pkt->stream_index, pts != AV_NOPTS_VALUE);
+ if (!stream->premux_packet)
+ stream->next_packet = &stream->premux_packet;
+ *stream->next_packet=
+ pkt_desc= av_mallocz(sizeof(PacketDesc));
+- pkt_desc->pts= pts;
+- pkt_desc->dts= dts;
++ pkt_desc->pts= pkt->pts;
++ pkt_desc->dts= pkt->dts;
+ pkt_desc->unwritten_size=
+ pkt_desc->size= size;
+ if(!stream->predecode_packet)
+@@ -1165,126 +291,18 @@
+ stream->next_packet= &pkt_desc->next;
+
+ av_fifo_realloc(&stream->fifo, av_fifo_size(&stream->fifo) + size + 1);
+-
+- if (s->is_dvd){
+- if (is_iframe && (s->packet_number == 0 || (pts - stream->vobu_start_pts >= 36000))) { // min VOBU length 0.4 seconds (mpucoder)
+- stream->bytes_to_iframe = av_fifo_size(&stream->fifo);
+- stream->align_iframe = 1;
+- stream->vobu_start_pts = pts;
+- } else {
+- stream->align_iframe = 0;
+- }
+- }
+-
+ av_fifo_write(&stream->fifo, buf, size);
+-
+- for(;;){
+- int ret= output_packet(ctx, 0);
+- if(ret<=0)
+- return ret;
+- }
+ }
+
+-static int mpeg_mux_end(AVFormatContext *ctx)
++
++void ff_pes_muxer_end(AVFormatContext *ctx)
+ {
+-// MpegMuxContext *s = ctx->priv_data;
+- StreamInfo *stream;
++ PESStream *stream;
+ int i;
+
+- for(;;){
+- int ret= output_packet(ctx, 1);
+- if(ret<0)
+- return ret;
+- else if(ret==0)
+- break;
+- }
+-
+- /* End header according to MPEG1 systems standard. We do not write
+- it as it is usually not needed by decoders and because it
+- complicates MPEG stream concatenation. */
+- //put_be32(&ctx->pb, ISO_11172_END_CODE);
+- //put_flush_packet(&ctx->pb);
+-
+ for(i=0;i<ctx->nb_streams;i++) {
+ stream = ctx->streams[i]->priv_data;
+-
+ assert(av_fifo_size(&stream->fifo) == 0);
+ av_fifo_free(&stream->fifo);
+ }
+- return 0;
+ }
+-
+-#ifdef CONFIG_MPEG1SYSTEM_MUXER
+-AVOutputFormat mpeg1system_muxer = {
+- "mpeg",
+- "MPEG1 System format",
+- "video/mpeg",
+- "mpg,mpeg",
+- sizeof(MpegMuxContext),
+- CODEC_ID_MP2,
+- CODEC_ID_MPEG1VIDEO,
+- mpeg_mux_init,
+- mpeg_mux_write_packet,
+- mpeg_mux_end,
+-};
+-#endif
+-#ifdef CONFIG_MPEG1VCD_MUXER
+-AVOutputFormat mpeg1vcd_muxer = {
+- "vcd",
+- "MPEG1 System format (VCD)",
+- "video/mpeg",
+- NULL,
+- sizeof(MpegMuxContext),
+- CODEC_ID_MP2,
+- CODEC_ID_MPEG1VIDEO,
+- mpeg_mux_init,
+- mpeg_mux_write_packet,
+- mpeg_mux_end,
+-};
+-#endif
+-#ifdef CONFIG_MPEG2VOB_MUXER
+-AVOutputFormat mpeg2vob_muxer = {
+- "vob",
+- "MPEG2 PS format (VOB)",
+- "video/mpeg",
+- "vob",
+- sizeof(MpegMuxContext),
+- CODEC_ID_MP2,
+- CODEC_ID_MPEG2VIDEO,
+- mpeg_mux_init,
+- mpeg_mux_write_packet,
+- mpeg_mux_end,
+-};
+-#endif
+-
+-/* Same as mpeg2vob_mux except that the pack size is 2324 */
+-#ifdef CONFIG_MPEG2SVCD_MUXER
+-AVOutputFormat mpeg2svcd_muxer = {
+- "svcd",
+- "MPEG2 PS format (VOB)",
+- "video/mpeg",
+- "vob",
+- sizeof(MpegMuxContext),
+- CODEC_ID_MP2,
+- CODEC_ID_MPEG2VIDEO,
+- mpeg_mux_init,
+- mpeg_mux_write_packet,
+- mpeg_mux_end,
+-};
+-#endif
+-
+-/* Same as mpeg2vob_mux except the 'is_dvd' flag is set to produce NAV pkts */
+-#ifdef CONFIG_MPEG2DVD_MUXER
+-AVOutputFormat mpeg2dvd_muxer = {
+- "dvd",
+- "MPEG2 PS format (DVD VOB)",
+- "video/mpeg",
+- "dvd",
+- sizeof(MpegMuxContext),
+- CODEC_ID_MP2,
+- CODEC_ID_MPEG2VIDEO,
+- mpeg_mux_init,
+- mpeg_mux_write_packet,
+- mpeg_mux_end,
+-};
+-#endif
+Index: Makefile
+===================================================================
+--- Makefile (revision 9635)
++++ Makefile (working copy)
+@@ -84,13 +84,13 @@
+ OBJS-$(CONFIG_MP3_MUXER) += mp3.o
+ OBJS-$(CONFIG_MP4_MUXER) += movenc.o riff.o isom.o
+ OBJS-$(CONFIG_MPC_DEMUXER) += mpc.o
+-OBJS-$(CONFIG_MPEG1SYSTEM_MUXER) += mpegenc.o
+-OBJS-$(CONFIG_MPEG1VCD_MUXER) += mpegenc.o
+-OBJS-$(CONFIG_MPEG2DVD_MUXER) += mpegenc.o
+-OBJS-$(CONFIG_MPEG2VOB_MUXER) += mpegenc.o
+-OBJS-$(CONFIG_MPEG2SVCD_MUXER) += mpegenc.o
++OBJS-$(CONFIG_MPEG1SYSTEM_MUXER) += mpegenc.o mpeg_pes_enc.o
++OBJS-$(CONFIG_MPEG1VCD_MUXER) += mpegenc.o mpeg_pes_enc.o
+ OBJS-$(CONFIG_MPEG1VIDEO_MUXER) += raw.o
++OBJS-$(CONFIG_MPEG2DVD_MUXER) += mpegenc.o mpeg_pes_enc.o
++OBJS-$(CONFIG_MPEG2SVCD_MUXER) += mpegenc.o mpeg_pes_enc.o
+ OBJS-$(CONFIG_MPEG2VIDEO_MUXER) += raw.o
++OBJS-$(CONFIG_MPEG2VOB_MUXER) += mpegenc.o mpeg_pes_enc.o
+ OBJS-$(CONFIG_MPEGPS_DEMUXER) += mpeg.o
+ OBJS-$(CONFIG_MPEGTS_DEMUXER) += mpegts.o
+ OBJS-$(CONFIG_MPEGTS_MUXER) += mpegtsenc.o
+Index: mpegtsenc.c
+===================================================================
+--- mpegtsenc.c (revision 9635)
++++ mpegtsenc.c (working copy)
+@@ -21,6 +21,8 @@
+ #include "avformat.h"
+ #include "crc.h"
+ #include "mpegts.h"
++#include "bytestream.h"
++#include "mpeg_pes.h"
+
+ /* write DVB SI sections */
+
+@@ -137,7 +139,24 @@
+ #define PAT_RETRANS_TIME 100
+ #define PCR_RETRANS_TIME 20
+
++
++/**
++ * lookup table from codec id to pes stream id
++ */
++static int pes_streamid[5] = {
++ 0xe0, /**< CODEC_TYPE_VIDEO */
++ 0xc0, /**< CODEC_TYPE_AUDIO */
++ 0xbd, /**< CODEC_TYPE_DATA */
++ 0xbd, /**< CODEC_TYPE_SUBTITLE */
++ 0xbd /**< CODEC_TYPE_NB */
++};
++
+ typedef struct MpegTSWriteStream {
++ PESStream pes_stream;
++ int packet_size;
++ int packet_number;
++ int startcode; /**< PES header start code */
++ uint8_t id;
+ struct MpegTSService *service;
+ int pid; /* stream associated pid */
+ int cc;
+@@ -158,6 +177,7 @@
+ } MpegTSService;
+
+ typedef struct MpegTSWrite {
++ PESContext pes_context;
+ MpegTSSection pat; /* MPEG2 pat table */
+ MpegTSSection sdt; /* MPEG2 sdt table context */
+ MpegTSService **services;
+@@ -168,6 +188,10 @@
+ int nb_services;
+ int onid;
+ int tsid;
++ int packet_number;
++ int64_t last_pcr; /* current programme clock reference */
++ int mux_rate;
++ int packet_size;
+ } MpegTSWrite;
+
+ static void mpegts_write_pat(AVFormatContext *s)
+@@ -362,7 +386,8 @@
+ MpegTSWriteStream *ts_st;
+ MpegTSService *service;
+ AVStream *st;
+- int i, total_bit_rate;
++ int bitrate;
++ int i;
+ const char *service_name;
+
+ ts->tsid = DEFAULT_TSID;
+@@ -376,6 +401,14 @@
+ service->pmt.write_packet = section_write_packet;
+ service->pmt.opaque = s;
+
++ ts->packet_number = 0;
++
++ if(s->packet_size)
++ ts->packet_size = s->packet_size;
++ else
++ ts->packet_size = DEFAULT_PES_PAYLOAD_SIZE;
++
++
+ ts->pat.pid = PAT_PID;
+ ts->pat.cc = 0;
+ ts->pat.write_packet = section_write_packet;
+@@ -387,7 +420,6 @@
+ ts->sdt.opaque = s;
+
+ /* assign pids to each stream */
+- total_bit_rate = 0;
+ for(i = 0;i < s->nb_streams; i++) {
+ st = s->streams[i];
+ ts_st = av_mallocz(sizeof(MpegTSWriteStream));
+@@ -402,7 +434,13 @@
+ if (st->codec->codec_type == CODEC_TYPE_VIDEO &&
+ service->pcr_pid == 0x1fff)
+ service->pcr_pid = ts_st->pid;
+- total_bit_rate += st->codec->bit_rate;
++
++ ts_st->id = pes_streamid[st->codec->codec_type];
++
++ if(ts_st->id < 0xc0)
++ ts_st->startcode = PRIVATE_STREAM_1;
++ else
++ ts_st->startcode = 0x100 + ts_st->id;
+ }
+
+ /* if no video stream, use the first stream as PCR */
+@@ -411,13 +449,39 @@
+ service->pcr_pid = ts_st->pid;
+ }
+
+- if (total_bit_rate <= 8 * 1024)
+- total_bit_rate = 8 * 1024;
+- service->pcr_packet_freq = (total_bit_rate * PCR_RETRANS_TIME) /
++ if(ff_pes_muxer_init(s) != 0)
++ goto fail;
++
++ bitrate = 0;
++ for(i=0;i<s->nb_streams;i++) {
++ int codec_rate;
++ st = s->streams[i];
++ ts_st = (MpegTSWriteStream*) st->priv_data;
++
++ if(st->codec->rc_max_rate || ts_st->id==VIDEO_ID)
++ codec_rate= st->codec->rc_max_rate;
++ else
++ codec_rate= st->codec->bit_rate;
++ bitrate += codec_rate;
++ }
++
++ if(s->mux_rate){
++ ts->mux_rate= (s->mux_rate + (8 * 50) - 1) / (8 * 50);
++ } else {
++ bitrate += bitrate*5/100;
++ bitrate = bitrate * 25 / (8 * DEFAULT_PES_PAYLOAD_SIZE) + /* PES header size */
++ bitrate * 4 / (8 * TS_PACKET_SIZE) + /* TS header size */
++ 500 * 12 + /* SDT size */
++ 100 * 16; /* PAT size */
++ ts->mux_rate = (bitrate + (8 * 50) - 1) / (8 * 50);
++ }
++ ts->last_pcr = 0;
++
++ service->pcr_packet_freq = (ts->mux_rate * PCR_RETRANS_TIME) /
+ (TS_PACKET_SIZE * 8 * 1000);
+- ts->sdt_packet_freq = (total_bit_rate * SDT_RETRANS_TIME) /
++ ts->sdt_packet_freq = (ts->mux_rate * SDT_RETRANS_TIME) /
+ (TS_PACKET_SIZE * 8 * 1000);
+- ts->pat_packet_freq = (total_bit_rate * PAT_RETRANS_TIME) /
++ ts->pat_packet_freq = (ts->mux_rate * PAT_RETRANS_TIME) /
+ (TS_PACKET_SIZE * 8 * 1000);
+ #if 0
+ printf("%d %d %d\n",
+@@ -462,31 +526,17 @@
+ }
+ }
+
+-static void write_pts(uint8_t *q, int fourbits, int64_t pts)
+-{
+- int val;
+-
+- val = fourbits << 4 | (((pts >> 30) & 0x07) << 1) | 1;
+- *q++ = val;
+- val = (((pts >> 15) & 0x7fff) << 1) | 1;
+- *q++ = val >> 8;
+- *q++ = val;
+- val = (((pts) & 0x7fff) << 1) | 1;
+- *q++ = val >> 8;
+- *q++ = val;
+-}
+-
+-/* NOTE: pes_data contains all the PES packet */
+-static void mpegts_write_pes(AVFormatContext *s, AVStream *st,
++static void mpegts_write_pes(AVFormatContext *s, MpegTSWriteStream *ts_st,
+ const uint8_t *payload, int payload_size,
+ int64_t pts, int64_t dts)
+ {
+- MpegTSWriteStream *ts_st = st->priv_data;
++ MpegTSWrite *ts = s->priv_data;
+ uint8_t buf[TS_PACKET_SIZE];
+ uint8_t *q;
+- int val, is_start, len, header_len, write_pcr, private_code, flags;
++ int val, is_start, len, header_len, write_pcr;
+ int afc_len, stuffing_len;
+ int64_t pcr = -1; /* avoid warning */
++ int offset = 0;
+
+ is_start = 1;
+ while (payload_size > 0) {
+@@ -499,9 +549,7 @@
+ ts_st->service->pcr_packet_freq) {
+ ts_st->service->pcr_packet_count = 0;
+ write_pcr = 1;
+- /* XXX: this is incorrect, but at least we have a PCR
+- value */
+- pcr = pts;
++ pcr = ts->last_pcr;
+ }
+ }
+
+@@ -509,8 +557,10 @@
+ q = buf;
+ *q++ = 0x47;
+ val = (ts_st->pid >> 8);
+- if (is_start)
++ if (is_start) {
+ val |= 0x40;
++ is_start = 0;
++ }
+ *q++ = val;
+ *q++ = ts_st->pid;
+ *q++ = 0x10 | ts_st->cc | (write_pcr ? 0x20 : 0);
+@@ -525,58 +575,6 @@
+ *q++ = (pcr & 1) << 7;
+ *q++ = 0;
+ }
+- if (is_start) {
+- /* write PES header */
+- *q++ = 0x00;
+- *q++ = 0x00;
+- *q++ = 0x01;
+- private_code = 0;
+- if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
+- *q++ = 0xe0;
+- } else if (st->codec->codec_type == CODEC_TYPE_AUDIO &&
+- (st->codec->codec_id == CODEC_ID_MP2 ||
+- st->codec->codec_id == CODEC_ID_MP3)) {
+- *q++ = 0xc0;
+- } else {
+- *q++ = 0xbd;
+- if (st->codec->codec_type == CODEC_TYPE_SUBTITLE) {
+- private_code = 0x20;
+- }
+- }
+- header_len = 0;
+- flags = 0;
+- if (pts != AV_NOPTS_VALUE) {
+- header_len += 5;
+- flags |= 0x80;
+- }
+- if (dts != AV_NOPTS_VALUE) {
+- header_len += 5;
+- flags |= 0x40;
+- }
+- len = payload_size + header_len + 3;
+- if (private_code != 0)
+- len++;
+- *q++ = len >> 8;
+- *q++ = len;
+- val = 0x80;
+- /* data alignment indicator is required for subtitle data */
+- if (st->codec->codec_type == CODEC_TYPE_SUBTITLE)
+- val |= 0x04;
+- *q++ = val;
+- *q++ = flags;
+- *q++ = header_len;
+- if (pts != AV_NOPTS_VALUE) {
+- write_pts(q, flags >> 6, pts);
+- q += 5;
+- }
+- if (dts != AV_NOPTS_VALUE) {
+- write_pts(q, 1, dts);
+- q += 5;
+- }
+- if (private_code != 0)
+- *q++ = private_code;
+- is_start = 0;
+- }
+ /* header size */
+ header_len = q - buf;
+ /* data len */
+@@ -605,71 +603,219 @@
+ }
+ }
+ }
+- memcpy(buf + TS_PACKET_SIZE - len, payload, len);
+- payload += len;
++ memcpy(buf + TS_PACKET_SIZE - len, payload + offset, len);
++ offset += len;
+ payload_size -= len;
+ put_buffer(&s->pb, buf, TS_PACKET_SIZE);
+ }
+ put_flush_packet(&s->pb);
+ }
+
+-static int mpegts_write_packet(AVFormatContext *s, AVPacket *pkt)
++/* Write an MPEG padding packet header. */
++static void put_padding_packet(AVFormatContext *ctx, ByteIOContext *pb,int packet_bytes)
+ {
+- AVStream *st = s->streams[pkt->stream_index];
+- int size= pkt->size;
+- uint8_t *buf= pkt->data;
+- MpegTSWriteStream *ts_st = st->priv_data;
+- int len, max_payload_size;
++ int i;
+
+- if (st->codec->codec_type == CODEC_TYPE_SUBTITLE) {
+- /* for subtitle, a single PES packet must be generated */
+- mpegts_write_pes(s, st, buf, size, pkt->pts, AV_NOPTS_VALUE);
+- return 0;
+- }
++ put_be32(pb, PADDING_STREAM);
++ put_be16(pb, packet_bytes - 6);
++ packet_bytes -= 6;
+
+- max_payload_size = DEFAULT_PES_PAYLOAD_SIZE;
+- while (size > 0) {
+- len = max_payload_size - ts_st->payload_index;
+- if (len > size)
+- len = size;
+- memcpy(ts_st->payload + ts_st->payload_index, buf, len);
+- buf += len;
+- size -= len;
+- ts_st->payload_index += len;
+- if (ts_st->payload_pts == AV_NOPTS_VALUE)
+- ts_st->payload_pts = pkt->pts;
+- if (ts_st->payload_dts == AV_NOPTS_VALUE)
+- ts_st->payload_dts = pkt->dts;
+- if (ts_st->payload_index >= max_payload_size) {
+- mpegts_write_pes(s, st, ts_st->payload, ts_st->payload_index,
+- ts_st->payload_pts, ts_st->payload_dts);
+- ts_st->payload_pts = AV_NOPTS_VALUE;
+- ts_st->payload_dts = AV_NOPTS_VALUE;
+- ts_st->payload_index = 0;
++ for(i=0;i<packet_bytes;i++)
++ put_byte(pb, 0xff);
++}
++/* flush the packet on stream stream_index */
++static int flush_packet(AVFormatContext *ctx, int stream_index,
++ int64_t pts, int64_t dts, int64_t pcr, int trailer_size)
++{
++ MpegTSWrite *s = ctx->priv_data;
++ MpegTSWriteStream *stream = ctx->streams[stream_index]->priv_data;
++ PESContext* pes_context = &s->pes_context;
++ PESStream *pes_stream = &stream->pes_stream;
++ int payload_size, id, stuffing_size, i, header_len;
++ int packet_size, es_size;
++ int zero_trail_bytes = 0;
++ int pad_packet_bytes = 0;
++ int general_pack = 0; /*"general" pack without data specific to one stream?*/
++ int pes_size;
++
++ id = stream->id;
++ packet_size = s->packet_size;
++ packet_size -= pad_packet_bytes + zero_trail_bytes;
++
++ if (packet_size > 0) {
++
++ /* packet header size */
++ packet_size -= 6;
++
++ /* packet header */
++ header_len = 3;
++ if (stream->packet_number==0)
++ header_len += 3; /* PES extension */
++ header_len += 1; /* obligatory stuffing byte */
++ if (pts != AV_NOPTS_VALUE) {
++ if (dts != pts)
++ header_len += 5 + 5;
++ else
++ header_len += 5;
+ }
++ payload_size = packet_size - header_len;
++
++ stuffing_size = payload_size - av_fifo_size(&pes_stream->fifo);
++
++ // first byte does not fit -> reset pts/dts + stuffing
++ if(payload_size <= trailer_size && pts != AV_NOPTS_VALUE){
++ int timestamp_len=0;
++ if(dts != pts)
++ timestamp_len += 5;
++ if(pts != AV_NOPTS_VALUE)
++ timestamp_len += 5;
++ pts=dts= AV_NOPTS_VALUE;
++ header_len -= timestamp_len;
++ payload_size += timestamp_len;
++ stuffing_size += timestamp_len;
++ if(payload_size > trailer_size)
++ stuffing_size += payload_size - trailer_size;
++ }
++
++ if (pad_packet_bytes > 0 && pad_packet_bytes <= 7) { // can't use padding, so use stuffing
++ packet_size += pad_packet_bytes;
++ payload_size += pad_packet_bytes; // undo the previous adjustment
++ if (stuffing_size < 0) {
++ stuffing_size = pad_packet_bytes;
++ } else {
++ stuffing_size += pad_packet_bytes;
++ }
++ pad_packet_bytes = 0;
++ }
++
++ if (stuffing_size < 0)
++ stuffing_size = 0;
++ if (stuffing_size > 16) { /*<=16 for MPEG-1, <=32 for MPEG-2*/
++ pad_packet_bytes += stuffing_size;
++ packet_size -= stuffing_size;
++ payload_size -= stuffing_size;
++ stuffing_size = 0;
++ }
++ pes_context->packet_number = s->packet_number;
++ pes_context->muxer_type = PESMUXER_TS;
++ pes_size = ff_pes_muxer_write(ctx, stream_index, stream->payload, pts, dts, id, stream->startcode, NULL, 0,
++ header_len, packet_size, payload_size, stuffing_size);
++ if(pes_size < 0)
++ return -1;
++ mpegts_write_pes(ctx, stream, stream->payload, pes_size, pts, dts);
++ }else{
++ payload_size=
++ stuffing_size= 0;
+ }
+- return 0;
++
++ if (pad_packet_bytes > 0)
++ put_padding_packet(ctx,&ctx->pb, pad_packet_bytes);
++
++ for(i=0;i<zero_trail_bytes;i++)
++ put_byte(&ctx->pb, 0x00);
++
++ put_flush_packet(&ctx->pb);
++
++ s->packet_number++;
++
++ /* only increase the stream packet number if this pack actually contains
++ something that is specific to this stream! I.e. a dedicated header
++ or some data.*/
++ if (!general_pack)
++ stream->packet_number++;
++
++ es_size = payload_size - stuffing_size;
++ pes_stream->buffer_index += payload_size - stuffing_size;
++ while(pes_stream->premux_packet && pes_stream->premux_packet->unwritten_size <= es_size){
++ es_size -= pes_stream->premux_packet->unwritten_size;
++ pes_stream->premux_packet= pes_stream->premux_packet->next;
++ }
++
++ if(es_size)
++ pes_stream->premux_packet->unwritten_size -= es_size;
++
++ return payload_size - stuffing_size;
+ }
+
++static int output_packet(AVFormatContext *ctx, int flush){
++ MpegTSWrite *s = ctx->priv_data;
++ AVStream *st;
++ PESStream *stream;
++ int es_size, trailer_size;
++ int result;
++ int best_i= -1;
++ int64_t pcr= s->last_pcr;
++ PacketDesc *timestamp_packet;
++
++ if((result = ff_pes_find_beststream(ctx, s->packet_size, flush, pcr, &best_i)) <= 0)
++ return result;
++
++ assert(best_i >= 0);
++
++ st = ctx->streams[best_i];
++ stream = st->priv_data;
++
++ assert(av_fifo_size(&stream->fifo) > 0);
++
++ timestamp_packet= stream->premux_packet;
++ if(timestamp_packet->unwritten_size == timestamp_packet->size){
++ trailer_size= 0;
++ }else{
++ trailer_size= timestamp_packet->unwritten_size;
++ timestamp_packet= timestamp_packet->next;
++ }
++
++ if(timestamp_packet){
++//av_log(ctx, AV_LOG_DEBUG, "dts:%f pts:%f pcr:%f stream:%d\n", timestamp_packet->dts/90000.0, timestamp_packet->pts/90000.0, pcr/90000.0, best_i);
++ es_size= flush_packet(ctx, best_i, timestamp_packet->pts, timestamp_packet->dts, pcr, trailer_size);
++ }else{
++ assert(av_fifo_size(&stream->fifo) == trailer_size);
++ es_size= flush_packet(ctx, best_i, AV_NOPTS_VALUE, AV_NOPTS_VALUE, pcr, trailer_size);
++ }
++
++
++ s->last_pcr += s->packet_size*90000LL / (s->mux_rate*50LL); //FIXME rounding and first few bytes of each packet
++
++ if(ff_pes_remove_decoded_packets(ctx, s->last_pcr) < 0)
++ return -1;
++
++ return 1;
++}
++
++
++static int mpegts_write_packet(AVFormatContext *ctx, AVPacket *pkt)
++{
++ int stream_index= pkt->stream_index;
++ AVStream *st = ctx->streams[stream_index];
++ MpegTSWriteStream *stream = st->priv_data;
++ PESStream *pes_stream = &stream->pes_stream;
++ int64_t pts;
++
++ ff_pes_write_packet(ctx, pkt);
++ pts= pes_stream->predecode_packet->pts;
++
++ for(;;){
++ int ret = output_packet(ctx, 0);
++ if(ret<=0)
++ return ret;
++ }
++}
++
+ static int mpegts_write_end(AVFormatContext *s)
+ {
+ MpegTSWrite *ts = s->priv_data;
+- MpegTSWriteStream *ts_st;
+ MpegTSService *service;
+- AVStream *st;
+ int i;
+
+- /* flush current packets */
+- for(i = 0; i < s->nb_streams; i++) {
+- st = s->streams[i];
+- ts_st = st->priv_data;
+- if (ts_st->payload_index > 0) {
+- mpegts_write_pes(s, st, ts_st->payload, ts_st->payload_index,
+- ts_st->payload_pts, ts_st->payload_dts);
+- }
++ for(;;){
++ int ret= output_packet(s, 1);
++ if(ret<0)
++ return ret;
++ else if(ret==0)
++ break;
+ }
+- put_flush_packet(&s->pb);
+
++ ff_pes_muxer_end(s);
+ for(i = 0; i < ts->nb_services; i++) {
+ service = ts->services[i];
+ av_freep(&service->provider_name);
+Index: mpeg_pes.h
+===================================================================
+--- mpeg_pes.h (revision 0)
++++ mpeg_pes.h (revision 0)
+@@ -0,0 +1,167 @@
++/*
++ * Copyright (c) 2000-2002 Fabrice Bellard
++ * Copyright (c) 2007 Xiaohui Sun <sunxiaohui at dsp.ac.cn>
++ *
++ * 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 mpeg_pes.h
++ * MPEG PES packetizer API header
++ */
++
++#ifndef AVFORMAT_MPEG_PES_H
++#define AVFORMAT_MPEG_PES_H
++
++#include "avformat.h"
++#include "fifo.h"
++
++/**
++ * PES packet description
++ */
++typedef struct PacketDesc {
++ int64_t pts;
++ int64_t dts;
++ int size;
++ int unwritten_size;
++ int flags;
++ struct PacketDesc *next;
++} PacketDesc;
++
++/**
++ * muxer type for PES
++ */
++typedef enum {
++ PESMUXER_PS,
++ PESMUXER_TS,
++ PESMUXER_PES
++} PESMuxerType;
++
++/**
++ * PES context
++ */
++typedef struct {
++ PESMuxerType muxer_type; /**< whether it is a Program Stream */
++ int packet_number;
++} PESContext;
++
++/**
++ * PES stream structure
++ */
++typedef struct {
++ AVFifoBuffer fifo;
++ int max_buffer_size; /**< in bytes */
++ int buffer_index;
++ PacketDesc *predecode_packet;
++ PacketDesc *premux_packet;
++ PacketDesc **next_packet;
++} PESStream;
++
++
++#define AUDIO_ID 0xc0
++#define VIDEO_ID 0xe0
++#define AC3_ID 0x80
++#define DTS_ID 0x8a
++#define LPCM_ID 0xa0
++#define SUB_ID 0x20
++
++#define PROGRAM_STREAM_MAP 0x1bc
++#define PRIVATE_STREAM_1 0x1bd
++#define PADDING_STREAM 0x1be
++#define PRIVATE_STREAM_2 0x1bf
++
++
++
++/**
++ * Initialization of PES muxer.
++ * @param[in] ctx the AVFormatContext which contains streams
++ * @return On error a negative value is returned, on success zero.
++ */
++int ff_pes_muxer_init(AVFormatContext *ctx);
++
++/**
++ * Finalization of PES muxer.
++ * @param [in] ctx the AVFormatContext which contains streams.
++ * @return NULL
++ */
++void ff_pes_muxer_end(AVFormatContext *ctx);
++
++/**
++ * Write packet into PES FIFO.
++ * @param [in] ctx the AVFormatContext which contains streams.
++ * @param [in] pkt the packet to write.
++ * @return NULL
++ */
++void ff_pes_write_packet(AVFormatContext *ctx, AVPacket *pkt);
++
++/**
++ * Find the stream to mux into the PES stream.
++ * @param[in] ctx the AVFormatContext
++ * @param[in] packet_size PES stream packet size
++ * @param[in] flush Flush after every single subtitle packet.Find the stream to mux into the PES strea
++ * @param[out] best_i index of stream to be muxed
++ * @return On error a negative or zero value is returned, on success 1 is returned.
++ */
++int ff_pes_find_beststream(AVFormatContext *ctx, int packet_size, int flush, int64_t scr, int* best_i);
++
++/**
++ * Get total number of frames that have been muxed.
++ * @param[in] ctx the AVFormatContext
++ * @param[in] stream the PES stream
++ * @param[in] len PES packet size
++ * @return the frame number to be muxed
++ */
++int ff_get_nb_frames(AVFormatContext *ctx, PESStream *stream, int len);
++
++/**
++ * Mux streams into a PES packet.
++ * @param [in] ctx the AVFormatContext which contains streams
++ * @param [in] stream_index the stream index to write
++ * @param [in] pes_buffer PES payload data
++ * @param [in] pts packet presentation timestamp
++ * @param [in] dts packet decoding timestamp
++ * @param [in] id stream ID
++ * @param [in] start_code PES packet start code
++ * @param [in] header_len PES header size
++ * @param [in] packet_size total packet size
++ * @param [in] payload_size packet payload size
++ * @param [in] stuffing_size packet stuffing size
++ * @return bytes written to PES stream.
++ */
++int ff_pes_muxer_write(AVFormatContext *ctx, int stream_index, uint8_t *pes_buffer,
++ int64_t pts,int64_t dts, int id, int startcode,
++ uint8_t* pes_content, int pes_content_len,
++ int header_len, int packet_size, int payload_size, int stuffing_size);
++
++/**
++ * Remove decoded packets of each stream.
++ * @param[in] ctx the AVFormatContext
++ * @param[in] scr System Clock Reference of PES stream
++ * @return On error a negative or zero value is returned, on success 1 is returned.
++ */
++int ff_pes_remove_decoded_packets(AVFormatContext *ctx, int64_t scr);
++
++/*
++ * Insert a timestamp into ByteIOContext.
++ * @param[in] pb the IOContext to be written to
++ * @param[in] id stream ID
++ * @param[in] timestamp the time stamp
++ * @return NULL
++ */
++void ff_put_timestamp(ByteIOContext *pb, int id, int64_t timestamp);
++
++#endif/* AVFORMAT_MPEG_PES_H */
Added: dvbmuxer/muxer_dev/mpeg_pes.h
==============================================================================
--- (empty file)
+++ dvbmuxer/muxer_dev/mpeg_pes.h Sat Jul 14 16:58:08 2007
@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 2000-2002 Fabrice Bellard
+ * Copyright (c) 2007 Xiaohui Sun <sunxiaohui at dsp.ac.cn>
+ *
+ * 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 mpeg_pes.h
+ * MPEG PES packetizer API header
+ */
+
+#ifndef AVFORMAT_MPEG_PES_H
+#define AVFORMAT_MPEG_PES_H
+
+#include "avformat.h"
+#include "fifo.h"
+
+/**
+ * PES packet description
+ */
+typedef struct PacketDesc {
+ int64_t pts;
+ int64_t dts;
+ int size;
+ int unwritten_size;
+ int flags;
+ struct PacketDesc *next;
+} PacketDesc;
+
+/**
+ * muxer type for PES
+ */
+typedef enum {
+ PESMUXER_PS,
+ PESMUXER_TS,
+ PESMUXER_PES
+} PESMuxerType;
+
+/**
+ * PES context
+ */
+typedef struct {
+ PESMuxerType muxer_type; /**< whether it is a Program Stream */
+ int packet_number;
+} PESContext;
+
+/**
+ * PES stream structure
+ */
+typedef struct {
+ AVFifoBuffer fifo;
+ int max_buffer_size; /**< in bytes */
+ int buffer_index;
+ PacketDesc *predecode_packet;
+ PacketDesc *premux_packet;
+ PacketDesc **next_packet;
+} PESStream;
+
+
+#define AUDIO_ID 0xc0
+#define VIDEO_ID 0xe0
+#define AC3_ID 0x80
+#define DTS_ID 0x8a
+#define LPCM_ID 0xa0
+#define SUB_ID 0x20
+
+#define PROGRAM_STREAM_MAP 0x1bc
+#define PRIVATE_STREAM_1 0x1bd
+#define PADDING_STREAM 0x1be
+#define PRIVATE_STREAM_2 0x1bf
+
+
+
+/**
+ * Initialization of PES muxer.
+ * @param[in] ctx the AVFormatContext which contains streams
+ * @return On error a negative value is returned, on success zero.
+ */
+int ff_pes_muxer_init(AVFormatContext *ctx);
+
+/**
+ * Finalization of PES muxer.
+ * @param [in] ctx the AVFormatContext which contains streams.
+ * @return NULL
+ */
+void ff_pes_muxer_end(AVFormatContext *ctx);
+
+/**
+ * Write packet into PES FIFO.
+ * @param [in] ctx the AVFormatContext which contains streams.
+ * @param [in] pkt the packet to write.
+ * @return NULL
+ */
+void ff_pes_write_packet(AVFormatContext *ctx, AVPacket *pkt);
+
+/**
+ * Find the stream to mux into the PES stream.
+ * @param[in] ctx the AVFormatContext
+ * @param[in] packet_size PES stream packet size
+ * @param[in] flush Flush after every single subtitle packet.Find the stream to mux into the PES strea
+ * @param[out] best_i index of stream to be muxed
+ * @return On error a negative or zero value is returned, on success 1 is returned.
+ */
+int ff_pes_find_beststream(AVFormatContext *ctx, int packet_size, int flush, int64_t scr, int* best_i);
+
+/**
+ * Get total number of frames that have been muxed.
+ * @param[in] ctx the AVFormatContext
+ * @param[in] stream the PES stream
+ * @param[in] len PES packet size
+ * @return the frame number to be muxed
+ */
+int ff_get_nb_frames(AVFormatContext *ctx, PESStream *stream, int len);
+
+/**
+ * Mux streams into a PES packet.
+ * @param [in] ctx the AVFormatContext which contains streams
+ * @param [in] stream_index the stream index to write
+ * @param [in] pes_buffer PES payload data
+ * @param [in] pts packet presentation timestamp
+ * @param [in] dts packet decoding timestamp
+ * @param [in] id stream ID
+ * @param [in] start_code PES packet start code
+ * @param [in] header_len PES header size
+ * @param [in] packet_size total packet size
+ * @param [in] payload_size packet payload size
+ * @param [in] stuffing_size packet stuffing size
+ * @return bytes written to PES stream.
+ */
+int ff_pes_muxer_write(AVFormatContext *ctx, int stream_index, uint8_t *pes_buffer,
+ int64_t pts,int64_t dts, int id, int startcode,
+ uint8_t* pes_content, int pes_content_len,
+ int header_len, int packet_size, int payload_size, int stuffing_size);
+
+/**
+ * Remove decoded packets of each stream.
+ * @param[in] ctx the AVFormatContext
+ * @param[in] scr System Clock Reference of PES stream
+ * @return On error a negative or zero value is returned, on success 1 is returned.
+ */
+int ff_pes_remove_decoded_packets(AVFormatContext *ctx, int64_t scr);
+
+/*
+ * Insert a timestamp into ByteIOContext.
+ * @param[in] pb the IOContext to be written to
+ * @param[in] id stream ID
+ * @param[in] timestamp the time stamp
+ * @return NULL
+ */
+void ff_put_timestamp(ByteIOContext *pb, int id, int64_t timestamp);
+
+#endif/* AVFORMAT_MPEG_PES_H */
Added: dvbmuxer/muxer_dev/mpeg_pes_enc.c
==============================================================================
--- (empty file)
+++ dvbmuxer/muxer_dev/mpeg_pes_enc.c Sat Jul 14 16:58:08 2007
@@ -0,0 +1,308 @@
+/*
+ * PES muxer.
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
+ * Copyright (c) 2007 Xiaohui Sun <sunxiaohui at dsp.ac.cn>
+ *
+ * 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 "mpeg_pes.h"
+#include "bytestream.h"
+
+int ff_pes_muxer_init(AVFormatContext *ctx)
+{
+ AVStream *st;
+ PESStream *stream;
+ int i;
+
+ for(i=0;i<ctx->nb_streams;i++) {
+ st = ctx->streams[i];
+ stream = (PESStream*)st->priv_data;
+ av_set_pts_info(st, 64, 1, 90000);
+
+ switch(st->codec->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ /* This value HAS to be used for VCD (see VCD standard, p. IV-7).
+ Right now it is also used for everything else.*/
+ stream->max_buffer_size = 4 * 1024;
+ break;
+ case CODEC_TYPE_VIDEO:
+#if 0
+ /* see VCD standard, p. IV-7*/
+ stream->max_buffer_size = 46 * 1024;
+ else
+ /* This value HAS to be used for SVCD (see SVCD standard, p. 26 V.2.3.2).
+ Right now it is also used for everything else.*/
+ stream->max_buffer_size = 230 * 1024;
+#endif
+ if (st->codec->rc_buffer_size)
+ stream->max_buffer_size = 6*1024 + st->codec->rc_buffer_size/8;
+ else
+ stream->max_buffer_size = 230*1024; //FIXME this is probably too small as default
+ break;
+ case CODEC_TYPE_SUBTITLE:
+ stream->max_buffer_size = 16 * 1024;
+ break;
+ default:
+ return -1;
+ }
+ av_fifo_init(&stream->fifo, 16);
+ }
+ return 0;
+}
+
+void ff_put_timestamp(ByteIOContext *pb, int id, int64_t timestamp)
+{
+ put_byte(pb,
+ (id << 4) |
+ (((timestamp >> 30) & 0x07) << 1) |
+ 1);
+ put_be16(pb, (uint16_t)((((timestamp >> 15) & 0x7fff) << 1) | 1));
+ put_be16(pb, (uint16_t)((((timestamp) & 0x7fff) << 1) | 1));
+}
+
+static inline void put_timestamp_bytestream(uint8_t** p, int id, int64_t timestamp)
+{
+ bytestream_put_byte(p,
+ (id << 4) |
+ (((timestamp >> 30) & 0x07) << 1) |
+ 1);
+ bytestream_put_be16(p, (uint16_t)((((timestamp >> 15) & 0x7fff) << 1) | 1));
+ bytestream_put_be16(p, (uint16_t)((((timestamp) & 0x7fff) << 1) | 1));
+}
+
+int ff_get_nb_frames(AVFormatContext *ctx, PESStream *stream, int len){
+ int nb_frames=0;
+ PacketDesc *pkt_desc= stream->premux_packet;
+
+ while(len>0){
+ if(pkt_desc->size == pkt_desc->unwritten_size)
+ nb_frames++;
+ len -= pkt_desc->unwritten_size;
+ pkt_desc= pkt_desc->next;
+ }
+
+ return nb_frames;
+}
+
+int ff_pes_remove_decoded_packets(AVFormatContext *ctx, int64_t scr)
+{
+ int i;
+
+ for(i=0; i<ctx->nb_streams; i++){
+ AVStream *st = ctx->streams[i];
+ PESStream *stream = st->priv_data;
+ PacketDesc *pkt_desc;
+
+ while((pkt_desc= stream->predecode_packet)
+ && scr > pkt_desc->dts){ //FIXME > vs >=
+ if(stream->buffer_index < pkt_desc->size ||
+ stream->predecode_packet == stream->premux_packet){
+ av_log(ctx, AV_LOG_ERROR,
+ "buffer underflow i=%d bufi=%d size=%d\n",
+ i, stream->buffer_index, pkt_desc->size);
+ break;
+ }
+ stream->buffer_index -= pkt_desc->size;
+ stream->predecode_packet= pkt_desc->next;
+ av_freep(&pkt_desc);
+ }
+ }
+ return 0;
+}
+
+int ff_pes_muxer_write(AVFormatContext *ctx, int stream_index, uint8_t *pes_buffer,
+ int64_t pts,int64_t dts, int id, int startcode,
+ uint8_t* pes_content, int pes_content_len,
+ int header_len, int packet_size, int payload_size, int stuffing_size)
+{
+ PESStream *stream = ctx->streams[stream_index]->priv_data;
+ PESContext *context = ctx->priv_data;
+ int pes_flags, i;
+ int data_size = payload_size - stuffing_size;
+ uint8_t *q = pes_buffer;
+
+ bytestream_put_be32(&q, startcode);
+
+ bytestream_put_be16(&q, packet_size);
+ bytestream_put_byte(&q, 0x80); /* mpeg2 id */
+
+ pes_flags=0;
+
+ if (pts != AV_NOPTS_VALUE) {
+ pes_flags |= 0x80;
+ if (dts != pts)
+ pes_flags |= 0x40;
+ }
+
+ /* Both the MPEG-2 and the SVCD standards demand that the
+ P-STD_buffer_size field be included in the first packet of
+ every stream. (see SVCD standard p. 26 V.2.3.1 and V.2.3.2
+ and MPEG-2 standard 2.7.7) */
+ if (context->packet_number == 0 && context->muxer_type == PESMUXER_PS)
+ pes_flags |= 0x01;
+
+ bytestream_put_byte(&q, pes_flags);
+ bytestream_put_byte(&q, header_len - 3 + stuffing_size);
+
+ if (pes_flags & 0x80) /*write pts*/
+ put_timestamp_bytestream(&q, (pes_flags & 0x40) ? 0x03 : 0x02, pts);
+ if (pes_flags & 0x40) /*write dts*/
+ put_timestamp_bytestream(&q, 0x01, dts);
+
+ if (pes_flags & 0x01) { /*write pes extension*/
+ bytestream_put_byte(&q, 0x10);
+
+ /* P-STD buffer info */
+ if (id == AUDIO_ID)
+ bytestream_put_be16(&q, 0x4000 | stream ->max_buffer_size/128);
+ else
+ bytestream_put_be16(&q, 0x6000 | stream ->max_buffer_size/1024);
+ }
+
+ /* special stuffing byte that is always written
+ to prevent accidental generation of startcodes. */
+ bytestream_put_byte(&q, 0xff);
+
+ for (i=0;i<stuffing_size;i++)
+ bytestream_put_byte(&q, 0xff);
+
+ if(pes_content != NULL)
+ bytestream_put_buffer(&q, pes_content, pes_content_len);
+
+ /* output data */
+ if(av_fifo_read(&stream->fifo, q, data_size) < 0)
+ return -1;
+ return (q - pes_buffer + data_size);
+}
+
+int ff_pes_find_beststream(AVFormatContext *ctx, int packet_size, int flush, int64_t scr, int* best_i)
+{
+ int best_score = INT_MIN;
+ int i, avail_space = 0;
+ int ignore_constraints = 0;
+ const int64_t max_delay= av_rescale(ctx->max_delay, 90000, AV_TIME_BASE);
+
+retry:
+ for(i=0; i<ctx->nb_streams; i++){
+ AVStream *st = ctx->streams[i];
+ PESStream*stream = st->priv_data;
+ const int avail_data= av_fifo_size(&stream->fifo);
+ const int space= stream->max_buffer_size - stream->buffer_index;
+ int rel_space= 1024*space / stream->max_buffer_size;
+ PacketDesc *next_pkt= stream->premux_packet;
+
+ /* for subtitle, a single PES packet must be generated,
+ so we flush after every single subtitle packet */
+ if(packet_size > avail_data && !flush
+ && st->codec->codec_type != CODEC_TYPE_SUBTITLE)
+ return 0;
+ if(avail_data==0)
+ continue;
+ assert(avail_data>0);
+
+ if(space < packet_size && !ignore_constraints)
+ continue;
+
+ if(next_pkt && next_pkt->dts - scr > max_delay)
+ continue;
+
+ if(rel_space > best_score){
+ best_score= rel_space;
+ *best_i = i;
+ avail_space= space;
+ }
+ }
+
+ if(*best_i < 0){
+ int64_t best_dts= INT64_MAX;
+
+ for(i=0; i<ctx->nb_streams; i++){
+ AVStream *st = ctx->streams[i];
+ PESStream *stream = st->priv_data;
+ PacketDesc *pkt_desc= stream->predecode_packet;
+ if(pkt_desc && pkt_desc->dts < best_dts)
+ best_dts= pkt_desc->dts;
+ }
+
+#if 0
+ av_log(ctx, AV_LOG_DEBUG, "bumping scr, scr:%f, dts:%f\n",
+ scr/90000.0, best_dts/90000.0);
+#endif
+
+ if(best_dts == INT64_MAX)
+ return 0;
+
+ if(scr >= best_dts+1 && !ignore_constraints){
+ av_log(ctx, AV_LOG_ERROR, "packet too large, ignoring buffer limits to mux it\n");
+ ignore_constraints= 1;
+ }
+ scr= FFMAX(best_dts+1, scr);
+ if(ff_pes_remove_decoded_packets(ctx, scr) < 0)
+ return -1;
+ goto retry;
+ }
+ assert(avail_space >= packet_size || ignore_constraints);
+ return 1;
+}
+
+
+void ff_pes_write_packet(AVFormatContext *ctx, AVPacket *pkt)
+{
+ int stream_index= pkt->stream_index;
+ AVStream *st = ctx->streams[stream_index];
+ PESStream *stream = st->priv_data;
+ PacketDesc *pkt_desc;
+ int size= pkt->size;
+ uint8_t *buf= pkt->data;
+ int64_t pts, dts;
+ const int preload= av_rescale(ctx->preload, 90000, AV_TIME_BASE);
+
+ pts= pkt->pts;
+ dts= pkt->dts;
+
+ if(pts != AV_NOPTS_VALUE) pts += preload;
+ if(dts != AV_NOPTS_VALUE) dts += preload;
+
+ if (!stream->premux_packet)
+ stream->next_packet = &stream->premux_packet;
+ *stream->next_packet=
+ pkt_desc= av_mallocz(sizeof(PacketDesc));
+ pkt_desc->pts= pkt->pts;
+ pkt_desc->dts= pkt->dts;
+ pkt_desc->unwritten_size=
+ pkt_desc->size= size;
+ if(!stream->predecode_packet)
+ stream->predecode_packet= pkt_desc;
+ stream->next_packet= &pkt_desc->next;
+
+ av_fifo_realloc(&stream->fifo, av_fifo_size(&stream->fifo) + size + 1);
+ av_fifo_write(&stream->fifo, buf, size);
+}
+
+
+void ff_pes_muxer_end(AVFormatContext *ctx)
+{
+ PESStream *stream;
+ int i;
+
+ for(i=0;i<ctx->nb_streams;i++) {
+ stream = ctx->streams[i]->priv_data;
+ assert(av_fifo_size(&stream->fifo) == 0);
+ av_fifo_free(&stream->fifo);
+ }
+}
Added: dvbmuxer/muxer_dev/mpegtsenc.c
==============================================================================
--- (empty file)
+++ dvbmuxer/muxer_dev/mpegtsenc.c Sat Jul 14 16:58:08 2007
@@ -0,0 +1,841 @@
+/*
+ * MPEG2 transport stream (aka DVB) muxer
+ * Copyright (c) 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
+ */
+#include "avformat.h"
+#include "crc.h"
+#include "mpegts.h"
+#include "bytestream.h"
+#include "mpeg_pes.h"
+
+/* write DVB SI sections */
+
+/*********************************************/
+/* mpegts section writer */
+
+typedef struct MpegTSSection {
+ int pid;
+ int cc;
+ void (*write_packet)(struct MpegTSSection *s, const uint8_t *packet);
+ void *opaque;
+} MpegTSSection;
+
+/* NOTE: 4 bytes must be left at the end for the crc32 */
+static void mpegts_write_section(MpegTSSection *s, uint8_t *buf, int len)
+{
+ unsigned int crc;
+ unsigned char packet[TS_PACKET_SIZE];
+ const unsigned char *buf_ptr;
+ unsigned char *q;
+ int first, b, len1, left;
+
+ crc = bswap_32(av_crc(av_crc04C11DB7, -1, buf, len - 4));
+ buf[len - 4] = (crc >> 24) & 0xff;
+ buf[len - 3] = (crc >> 16) & 0xff;
+ buf[len - 2] = (crc >> 8) & 0xff;
+ buf[len - 1] = (crc) & 0xff;
+
+ /* send each packet */
+ buf_ptr = buf;
+ while (len > 0) {
+ first = (buf == buf_ptr);
+ q = packet;
+ *q++ = 0x47;
+ b = (s->pid >> 8);
+ if (first)
+ b |= 0x40;
+ *q++ = b;
+ *q++ = s->pid;
+ s->cc = (s->cc + 1) & 0xf;
+ *q++ = 0x10 | s->cc;
+ if (first)
+ *q++ = 0; /* 0 offset */
+ len1 = TS_PACKET_SIZE - (q - packet);
+ if (len1 > len)
+ len1 = len;
+ memcpy(q, buf_ptr, len1);
+ q += len1;
+ /* add known padding data */
+ left = TS_PACKET_SIZE - (q - packet);
+ if (left > 0)
+ memset(q, 0xff, left);
+
+ s->write_packet(s, packet);
+
+ buf_ptr += len1;
+ len -= len1;
+ }
+}
+
+static inline void put16(uint8_t **q_ptr, int val)
+{
+ uint8_t *q;
+ q = *q_ptr;
+ *q++ = val >> 8;
+ *q++ = val;
+ *q_ptr = q;
+}
+
+static int mpegts_write_section1(MpegTSSection *s, int tid, int id,
+ int version, int sec_num, int last_sec_num,
+ uint8_t *buf, int len)
+{
+ uint8_t section[1024], *q;
+ unsigned int tot_len;
+
+ tot_len = 3 + 5 + len + 4;
+ /* check if not too big */
+ if (tot_len > 1024)
+ return -1;
+
+ q = section;
+ *q++ = tid;
+ put16(&q, 0xb000 | (len + 5 + 4)); /* 5 byte header + 4 byte CRC */
+ put16(&q, id);
+ *q++ = 0xc1 | (version << 1); /* current_next_indicator = 1 */
+ *q++ = sec_num;
+ *q++ = last_sec_num;
+ memcpy(q, buf, len);
+
+ mpegts_write_section(s, section, tot_len);
+ return 0;
+}
+
+/*********************************************/
+/* mpegts writer */
+
+#define DEFAULT_PMT_START_PID 0x1000
+#define DEFAULT_START_PID 0x0100
+#define DEFAULT_PROVIDER_NAME "FFmpeg"
+#define DEFAULT_SERVICE_NAME "Service01"
+
+/* default network id, transport stream and service identifiers */
+#define DEFAULT_ONID 0x0001
+#define DEFAULT_TSID 0x0001
+#define DEFAULT_SID 0x0001
+
+/* a PES packet header is generated every DEFAULT_PES_HEADER_FREQ packets */
+#define DEFAULT_PES_HEADER_FREQ 16
+#define DEFAULT_PES_PAYLOAD_SIZE ((DEFAULT_PES_HEADER_FREQ - 1) * 184 + 170)
+
+/* we retransmit the SI info at this rate */
+#define SDT_RETRANS_TIME 500
+#define PAT_RETRANS_TIME 100
+#define PCR_RETRANS_TIME 20
+
+
+/**
+ * lookup table from codec id to pes stream id
+ */
+static int pes_streamid[5] = {
+ 0xe0, /**< CODEC_TYPE_VIDEO */
+ 0xc0, /**< CODEC_TYPE_AUDIO */
+ 0xbd, /**< CODEC_TYPE_DATA */
+ 0xbd, /**< CODEC_TYPE_SUBTITLE */
+ 0xbd /**< CODEC_TYPE_NB */
+};
+
+typedef struct MpegTSWriteStream {
+ PESStream pes_stream;
+ int packet_size;
+ int packet_number;
+ int startcode; /**< PES header start code */
+ uint8_t id;
+ struct MpegTSService *service;
+ int pid; /* stream associated pid */
+ int cc;
+ int payload_index;
+ int64_t payload_pts;
+ int64_t payload_dts;
+ uint8_t payload[DEFAULT_PES_PAYLOAD_SIZE];
+} MpegTSWriteStream;
+
+typedef struct MpegTSService {
+ MpegTSSection pmt; /* MPEG2 pmt table context */
+ int sid; /* service ID */
+ char *name;
+ char *provider_name;
+ int pcr_pid;
+ int pcr_packet_count;
+ int pcr_packet_freq;
+} MpegTSService;
+
+typedef struct MpegTSWrite {
+ PESContext pes_context;
+ MpegTSSection pat; /* MPEG2 pat table */
+ MpegTSSection sdt; /* MPEG2 sdt table context */
+ MpegTSService **services;
+ int sdt_packet_count;
+ int sdt_packet_freq;
+ int pat_packet_count;
+ int pat_packet_freq;
+ int nb_services;
+ int onid;
+ int tsid;
+ int packet_number;
+ int64_t last_pcr; /* current programme clock reference */
+ int mux_rate;
+ int packet_size;
+} MpegTSWrite;
+
+static void mpegts_write_pat(AVFormatContext *s)
+{
+ MpegTSWrite *ts = s->priv_data;
+ MpegTSService *service;
+ uint8_t data[1012], *q;
+ int i;
+
+ q = data;
+ for(i = 0; i < ts->nb_services; i++) {
+ service = ts->services[i];
+ put16(&q, service->sid);
+ put16(&q, 0xe000 | service->pmt.pid);
+ }
+ mpegts_write_section1(&ts->pat, PAT_TID, ts->tsid, 0, 0, 0,
+ data, q - data);
+}
+
+static void mpegts_write_pmt(AVFormatContext *s, MpegTSService *service)
+{
+ // MpegTSWrite *ts = s->priv_data;
+ uint8_t data[1012], *q, *desc_length_ptr, *program_info_length_ptr;
+ int val, stream_type, i;
+
+ q = data;
+ put16(&q, 0xe000 | service->pcr_pid);
+
+ program_info_length_ptr = q;
+ q += 2; /* patched after */
+
+ /* put program info here */
+
+ val = 0xf000 | (q - program_info_length_ptr - 2);
+ program_info_length_ptr[0] = val >> 8;
+ program_info_length_ptr[1] = val;
+
+ for(i = 0; i < s->nb_streams; i++) {
+ AVStream *st = s->streams[i];
+ MpegTSWriteStream *ts_st = st->priv_data;
+ switch(st->codec->codec_id) {
+ case CODEC_ID_MPEG1VIDEO:
+ case CODEC_ID_MPEG2VIDEO:
+ stream_type = STREAM_TYPE_VIDEO_MPEG2;
+ break;
+ case CODEC_ID_MPEG4:
+ stream_type = STREAM_TYPE_VIDEO_MPEG4;
+ break;
+ case CODEC_ID_H264:
+ stream_type = STREAM_TYPE_VIDEO_H264;
+ break;
+ case CODEC_ID_MP2:
+ case CODEC_ID_MP3:
+ stream_type = STREAM_TYPE_AUDIO_MPEG1;
+ break;
+ case CODEC_ID_AAC:
+ stream_type = STREAM_TYPE_AUDIO_AAC;
+ break;
+ case CODEC_ID_AC3:
+ stream_type = STREAM_TYPE_AUDIO_AC3;
+ break;
+ default:
+ stream_type = STREAM_TYPE_PRIVATE_DATA;
+ break;
+ }
+ *q++ = stream_type;
+ put16(&q, 0xe000 | ts_st->pid);
+ desc_length_ptr = q;
+ q += 2; /* patched after */
+
+ /* write optional descriptors here */
+ switch(st->codec->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ if (strlen(st->language) == 3) {
+ *q++ = 0x0a; /* ISO 639 language descriptor */
+ *q++ = 4;
+ *q++ = st->language[0];
+ *q++ = st->language[1];
+ *q++ = st->language[2];
+ *q++ = 0; /* undefined type */
+ }
+ break;
+ case CODEC_TYPE_SUBTITLE:
+ {
+ const char *language;
+ language = st->language;
+ if (strlen(language) != 3)
+ language = "eng";
+ *q++ = 0x59;
+ *q++ = 8;
+ *q++ = language[0];
+ *q++ = language[1];
+ *q++ = language[2];
+ *q++ = 0x10; /* normal subtitles (0x20 = if hearing pb) */
+ put16(&q, 1); /* page id */
+ put16(&q, 1); /* ancillary page id */
+ }
+ break;
+ }
+
+ val = 0xf000 | (q - desc_length_ptr - 2);
+ desc_length_ptr[0] = val >> 8;
+ desc_length_ptr[1] = val;
+ }
+ mpegts_write_section1(&service->pmt, PMT_TID, service->sid, 0, 0, 0,
+ data, q - data);
+}
+
+/* NOTE: str == NULL is accepted for an empty string */
+static void putstr8(uint8_t **q_ptr, const char *str)
+{
+ uint8_t *q;
+ int len;
+
+ q = *q_ptr;
+ if (!str)
+ len = 0;
+ else
+ len = strlen(str);
+ *q++ = len;
+ memcpy(q, str, len);
+ q += len;
+ *q_ptr = q;
+}
+
+static void mpegts_write_sdt(AVFormatContext *s)
+{
+ MpegTSWrite *ts = s->priv_data;
+ MpegTSService *service;
+ uint8_t data[1012], *q, *desc_list_len_ptr, *desc_len_ptr;
+ int i, running_status, free_ca_mode, val;
+
+ q = data;
+ put16(&q, ts->onid);
+ *q++ = 0xff;
+ for(i = 0; i < ts->nb_services; i++) {
+ service = ts->services[i];
+ put16(&q, service->sid);
+ *q++ = 0xfc | 0x00; /* currently no EIT info */
+ desc_list_len_ptr = q;
+ q += 2;
+ running_status = 4; /* running */
+ free_ca_mode = 0;
+
+ /* write only one descriptor for the service name and provider */
+ *q++ = 0x48;
+ desc_len_ptr = q;
+ q++;
+ *q++ = 0x01; /* digital television service */
+ putstr8(&q, service->provider_name);
+ putstr8(&q, service->name);
+ desc_len_ptr[0] = q - desc_len_ptr - 1;
+
+ /* fill descriptor length */
+ val = (running_status << 13) | (free_ca_mode << 12) |
+ (q - desc_list_len_ptr - 2);
+ desc_list_len_ptr[0] = val >> 8;
+ desc_list_len_ptr[1] = val;
+ }
+ mpegts_write_section1(&ts->sdt, SDT_TID, ts->tsid, 0, 0, 0,
+ data, q - data);
+}
+
+static MpegTSService *mpegts_add_service(MpegTSWrite *ts,
+ int sid,
+ const char *provider_name,
+ const char *name)
+{
+ MpegTSService *service;
+
+ service = av_mallocz(sizeof(MpegTSService));
+ if (!service)
+ return NULL;
+ service->pmt.pid = DEFAULT_PMT_START_PID + ts->nb_services - 1;
+ service->sid = sid;
+ service->provider_name = av_strdup(provider_name);
+ service->name = av_strdup(name);
+ service->pcr_pid = 0x1fff;
+ dynarray_add(&ts->services, &ts->nb_services, service);
+ return service;
+}
+
+static void section_write_packet(MpegTSSection *s, const uint8_t *packet)
+{
+ AVFormatContext *ctx = s->opaque;
+ put_buffer(&ctx->pb, packet, TS_PACKET_SIZE);
+}
+
+static int mpegts_write_header(AVFormatContext *s)
+{
+ MpegTSWrite *ts = s->priv_data;
+ MpegTSWriteStream *ts_st;
+ MpegTSService *service;
+ AVStream *st;
+ int bitrate;
+ int i;
+ const char *service_name;
+
+ ts->tsid = DEFAULT_TSID;
+ ts->onid = DEFAULT_ONID;
+ /* allocate a single DVB service */
+ service_name = s->title;
+ if (service_name[0] == '\0')
+ service_name = DEFAULT_SERVICE_NAME;
+ service = mpegts_add_service(ts, DEFAULT_SID,
+ DEFAULT_PROVIDER_NAME, service_name);
+ service->pmt.write_packet = section_write_packet;
+ service->pmt.opaque = s;
+
+ ts->packet_number = 0;
+
+ if(s->packet_size)
+ ts->packet_size = s->packet_size;
+ else
+ ts->packet_size = DEFAULT_PES_PAYLOAD_SIZE;
+
+
+ ts->pat.pid = PAT_PID;
+ ts->pat.cc = 0;
+ ts->pat.write_packet = section_write_packet;
+ ts->pat.opaque = s;
+
+ ts->sdt.pid = SDT_PID;
+ ts->sdt.cc = 0;
+ ts->sdt.write_packet = section_write_packet;
+ ts->sdt.opaque = s;
+
+ /* assign pids to each stream */
+ for(i = 0;i < s->nb_streams; i++) {
+ st = s->streams[i];
+ ts_st = av_mallocz(sizeof(MpegTSWriteStream));
+ if (!ts_st)
+ goto fail;
+ st->priv_data = ts_st;
+ ts_st->service = service;
+ ts_st->pid = DEFAULT_START_PID + i;
+ ts_st->payload_pts = AV_NOPTS_VALUE;
+ ts_st->payload_dts = AV_NOPTS_VALUE;
+ /* update PCR pid by using the first video stream */
+ if (st->codec->codec_type == CODEC_TYPE_VIDEO &&
+ service->pcr_pid == 0x1fff)
+ service->pcr_pid = ts_st->pid;
+
+ ts_st->id = pes_streamid[st->codec->codec_type];
+
+ if(ts_st->id < 0xc0)
+ ts_st->startcode = PRIVATE_STREAM_1;
+ else
+ ts_st->startcode = 0x100 + ts_st->id;
+ }
+
+ /* if no video stream, use the first stream as PCR */
+ if (service->pcr_pid == 0x1fff && s->nb_streams > 0) {
+ ts_st = s->streams[0]->priv_data;
+ service->pcr_pid = ts_st->pid;
+ }
+
+ if(ff_pes_muxer_init(s) != 0)
+ goto fail;
+
+ bitrate = 0;
+ for(i=0;i<s->nb_streams;i++) {
+ int codec_rate;
+ st = s->streams[i];
+ ts_st = (MpegTSWriteStream*) st->priv_data;
+
+ if(st->codec->rc_max_rate || ts_st->id==VIDEO_ID)
+ codec_rate= st->codec->rc_max_rate;
+ else
+ codec_rate= st->codec->bit_rate;
+ bitrate += codec_rate;
+ }
+
+ if(s->mux_rate){
+ ts->mux_rate= (s->mux_rate + (8 * 50) - 1) / (8 * 50);
+ } else {
+ bitrate += bitrate*5/100;
+ bitrate = bitrate * 25 / (8 * DEFAULT_PES_PAYLOAD_SIZE) + /* PES header size */
+ bitrate * 4 / (8 * TS_PACKET_SIZE) + /* TS header size */
+ 500 * 12 + /* SDT size */
+ 100 * 16; /* PAT size */
+ ts->mux_rate = (bitrate + (8 * 50) - 1) / (8 * 50);
+ }
+ ts->last_pcr = 0;
+
+ service->pcr_packet_freq = (ts->mux_rate * PCR_RETRANS_TIME) /
+ (TS_PACKET_SIZE * 8 * 1000);
+ ts->sdt_packet_freq = (ts->mux_rate * SDT_RETRANS_TIME) /
+ (TS_PACKET_SIZE * 8 * 1000);
+ ts->pat_packet_freq = (ts->mux_rate * PAT_RETRANS_TIME) /
+ (TS_PACKET_SIZE * 8 * 1000);
+#if 0
+ printf("%d %d %d\n",
+ total_bit_rate, ts->sdt_packet_freq, ts->pat_packet_freq);
+#endif
+
+ /* write info at the start of the file, so that it will be fast to
+ find them */
+ mpegts_write_sdt(s);
+ mpegts_write_pat(s);
+ for(i = 0; i < ts->nb_services; i++) {
+ mpegts_write_pmt(s, ts->services[i]);
+ }
+ put_flush_packet(&s->pb);
+
+ return 0;
+
+ fail:
+ for(i = 0;i < s->nb_streams; i++) {
+ st = s->streams[i];
+ av_free(st->priv_data);
+ }
+ return -1;
+}
+
+/* send SDT, PAT and PMT tables regulary */
+static void retransmit_si_info(AVFormatContext *s)
+{
+ MpegTSWrite *ts = s->priv_data;
+ int i;
+
+ if (++ts->sdt_packet_count == ts->sdt_packet_freq) {
+ ts->sdt_packet_count = 0;
+ mpegts_write_sdt(s);
+ }
+ if (++ts->pat_packet_count == ts->pat_packet_freq) {
+ ts->pat_packet_count = 0;
+ mpegts_write_pat(s);
+ for(i = 0; i < ts->nb_services; i++) {
+ mpegts_write_pmt(s, ts->services[i]);
+ }
+ }
+}
+
+static void mpegts_write_pes(AVFormatContext *s, MpegTSWriteStream *ts_st,
+ const uint8_t *payload, int payload_size,
+ int64_t pts, int64_t dts)
+{
+ MpegTSWrite *ts = s->priv_data;
+ uint8_t buf[TS_PACKET_SIZE];
+ uint8_t *q;
+ int val, is_start, len, header_len, write_pcr;
+ int afc_len, stuffing_len;
+ int64_t pcr = -1; /* avoid warning */
+ int offset = 0;
+
+ is_start = 1;
+ while (payload_size > 0) {
+ retransmit_si_info(s);
+
+ write_pcr = 0;
+ if (ts_st->pid == ts_st->service->pcr_pid) {
+ ts_st->service->pcr_packet_count++;
+ if (ts_st->service->pcr_packet_count >=
+ ts_st->service->pcr_packet_freq) {
+ ts_st->service->pcr_packet_count = 0;
+ write_pcr = 1;
+ pcr = ts->last_pcr;
+ }
+ }
+
+ /* prepare packet header */
+ q = buf;
+ *q++ = 0x47;
+ val = (ts_st->pid >> 8);
+ if (is_start) {
+ val |= 0x40;
+ is_start = 0;
+ }
+ *q++ = val;
+ *q++ = ts_st->pid;
+ *q++ = 0x10 | ts_st->cc | (write_pcr ? 0x20 : 0);
+ ts_st->cc = (ts_st->cc + 1) & 0xf;
+ if (write_pcr) {
+ *q++ = 7; /* AFC length */
+ *q++ = 0x10; /* flags: PCR present */
+ *q++ = pcr >> 25;
+ *q++ = pcr >> 17;
+ *q++ = pcr >> 9;
+ *q++ = pcr >> 1;
+ *q++ = (pcr & 1) << 7;
+ *q++ = 0;
+ }
+ /* header size */
+ header_len = q - buf;
+ /* data len */
+ len = TS_PACKET_SIZE - header_len;
+ if (len > payload_size)
+ len = payload_size;
+ stuffing_len = TS_PACKET_SIZE - header_len - len;
+ if (stuffing_len > 0) {
+ /* add stuffing with AFC */
+ if (buf[3] & 0x20) {
+ /* stuffing already present: increase its size */
+ afc_len = buf[4] + 1;
+ memmove(buf + 4 + afc_len + stuffing_len,
+ buf + 4 + afc_len,
+ header_len - (4 + afc_len));
+ buf[4] += stuffing_len;
+ memset(buf + 4 + afc_len, 0xff, stuffing_len);
+ } else {
+ /* add stuffing */
+ memmove(buf + 4 + stuffing_len, buf + 4, header_len - 4);
+ buf[3] |= 0x20;
+ buf[4] = stuffing_len - 1;
+ if (stuffing_len >= 2) {
+ buf[5] = 0x00;
+ memset(buf + 6, 0xff, stuffing_len - 2);
+ }
+ }
+ }
+ memcpy(buf + TS_PACKET_SIZE - len, payload + offset, len);
+ offset += len;
+ payload_size -= len;
+ put_buffer(&s->pb, buf, TS_PACKET_SIZE);
+ }
+ put_flush_packet(&s->pb);
+}
+
+/* Write an MPEG padding packet header. */
+static void put_padding_packet(AVFormatContext *ctx, ByteIOContext *pb,int packet_bytes)
+{
+ int i;
+
+ put_be32(pb, PADDING_STREAM);
+ put_be16(pb, packet_bytes - 6);
+ packet_bytes -= 6;
+
+ for(i=0;i<packet_bytes;i++)
+ put_byte(pb, 0xff);
+}
+/* flush the packet on stream stream_index */
+static int flush_packet(AVFormatContext *ctx, int stream_index,
+ int64_t pts, int64_t dts, int64_t pcr, int trailer_size)
+{
+ MpegTSWrite *s = ctx->priv_data;
+ MpegTSWriteStream *stream = ctx->streams[stream_index]->priv_data;
+ PESContext* pes_context = &s->pes_context;
+ PESStream *pes_stream = &stream->pes_stream;
+ int payload_size, id, stuffing_size, i, header_len;
+ int packet_size, es_size;
+ int zero_trail_bytes = 0;
+ int pad_packet_bytes = 0;
+ int general_pack = 0; /*"general" pack without data specific to one stream?*/
+ int pes_size;
+
+ id = stream->id;
+ packet_size = s->packet_size;
+ packet_size -= pad_packet_bytes + zero_trail_bytes;
+
+ if (packet_size > 0) {
+
+ /* packet header size */
+ packet_size -= 6;
+
+ /* packet header */
+ header_len = 3;
+ if (stream->packet_number==0)
+ header_len += 3; /* PES extension */
+ header_len += 1; /* obligatory stuffing byte */
+ if (pts != AV_NOPTS_VALUE) {
+ if (dts != pts)
+ header_len += 5 + 5;
+ else
+ header_len += 5;
+ }
+ payload_size = packet_size - header_len;
+
+ stuffing_size = payload_size - av_fifo_size(&pes_stream->fifo);
+
+ // first byte does not fit -> reset pts/dts + stuffing
+ if(payload_size <= trailer_size && pts != AV_NOPTS_VALUE){
+ int timestamp_len=0;
+ if(dts != pts)
+ timestamp_len += 5;
+ if(pts != AV_NOPTS_VALUE)
+ timestamp_len += 5;
+ pts=dts= AV_NOPTS_VALUE;
+ header_len -= timestamp_len;
+ payload_size += timestamp_len;
+ stuffing_size += timestamp_len;
+ if(payload_size > trailer_size)
+ stuffing_size += payload_size - trailer_size;
+ }
+
+ if (pad_packet_bytes > 0 && pad_packet_bytes <= 7) { // can't use padding, so use stuffing
+ packet_size += pad_packet_bytes;
+ payload_size += pad_packet_bytes; // undo the previous adjustment
+ if (stuffing_size < 0) {
+ stuffing_size = pad_packet_bytes;
+ } else {
+ stuffing_size += pad_packet_bytes;
+ }
+ pad_packet_bytes = 0;
+ }
+
+ if (stuffing_size < 0)
+ stuffing_size = 0;
+ if (stuffing_size > 16) { /*<=16 for MPEG-1, <=32 for MPEG-2*/
+ pad_packet_bytes += stuffing_size;
+ packet_size -= stuffing_size;
+ payload_size -= stuffing_size;
+ stuffing_size = 0;
+ }
+ pes_context->packet_number = s->packet_number;
+ pes_context->muxer_type = PESMUXER_TS;
+ pes_size = ff_pes_muxer_write(ctx, stream_index, stream->payload, pts, dts, id, stream->startcode, NULL, 0,
+ header_len, packet_size, payload_size, stuffing_size);
+ if(pes_size < 0)
+ return -1;
+ mpegts_write_pes(ctx, stream, stream->payload, pes_size, pts, dts);
+ }else{
+ payload_size=
+ stuffing_size= 0;
+ }
+
+ if (pad_packet_bytes > 0)
+ put_padding_packet(ctx,&ctx->pb, pad_packet_bytes);
+
+ for(i=0;i<zero_trail_bytes;i++)
+ put_byte(&ctx->pb, 0x00);
+
+ put_flush_packet(&ctx->pb);
+
+ s->packet_number++;
+
+ /* only increase the stream packet number if this pack actually contains
+ something that is specific to this stream! I.e. a dedicated header
+ or some data.*/
+ if (!general_pack)
+ stream->packet_number++;
+
+ es_size = payload_size - stuffing_size;
+ pes_stream->buffer_index += payload_size - stuffing_size;
+ while(pes_stream->premux_packet && pes_stream->premux_packet->unwritten_size <= es_size){
+ es_size -= pes_stream->premux_packet->unwritten_size;
+ pes_stream->premux_packet= pes_stream->premux_packet->next;
+ }
+
+ if(es_size)
+ pes_stream->premux_packet->unwritten_size -= es_size;
+
+ return payload_size - stuffing_size;
+}
+
+static int output_packet(AVFormatContext *ctx, int flush){
+ MpegTSWrite *s = ctx->priv_data;
+ AVStream *st;
+ PESStream *stream;
+ int es_size, trailer_size;
+ int result;
+ int best_i= -1;
+ int64_t pcr= s->last_pcr;
+ PacketDesc *timestamp_packet;
+
+ if((result = ff_pes_find_beststream(ctx, s->packet_size, flush, pcr, &best_i)) <= 0)
+ return result;
+
+ assert(best_i >= 0);
+
+ st = ctx->streams[best_i];
+ stream = st->priv_data;
+
+ assert(av_fifo_size(&stream->fifo) > 0);
+
+ timestamp_packet= stream->premux_packet;
+ if(timestamp_packet->unwritten_size == timestamp_packet->size){
+ trailer_size= 0;
+ }else{
+ trailer_size= timestamp_packet->unwritten_size;
+ timestamp_packet= timestamp_packet->next;
+ }
+
+ if(timestamp_packet){
+//av_log(ctx, AV_LOG_DEBUG, "dts:%f pts:%f pcr:%f stream:%d\n", timestamp_packet->dts/90000.0, timestamp_packet->pts/90000.0, pcr/90000.0, best_i);
+ es_size= flush_packet(ctx, best_i, timestamp_packet->pts, timestamp_packet->dts, pcr, trailer_size);
+ }else{
+ assert(av_fifo_size(&stream->fifo) == trailer_size);
+ es_size= flush_packet(ctx, best_i, AV_NOPTS_VALUE, AV_NOPTS_VALUE, pcr, trailer_size);
+ }
+
+
+ s->last_pcr += s->packet_size*90000LL / (s->mux_rate*50LL); //FIXME rounding and first few bytes of each packet
+
+ if(ff_pes_remove_decoded_packets(ctx, s->last_pcr) < 0)
+ return -1;
+
+ return 1;
+}
+
+
+static int mpegts_write_packet(AVFormatContext *ctx, AVPacket *pkt)
+{
+ int stream_index= pkt->stream_index;
+ AVStream *st = ctx->streams[stream_index];
+ MpegTSWriteStream *stream = st->priv_data;
+ PESStream *pes_stream = &stream->pes_stream;
+ int64_t pts;
+
+ ff_pes_write_packet(ctx, pkt);
+ pts= pes_stream->predecode_packet->pts;
+
+ for(;;){
+ int ret = output_packet(ctx, 0);
+ if(ret<=0)
+ return ret;
+ }
+}
+
+static int mpegts_write_end(AVFormatContext *s)
+{
+ MpegTSWrite *ts = s->priv_data;
+ MpegTSService *service;
+ int i;
+
+ for(;;){
+ int ret= output_packet(s, 1);
+ if(ret<0)
+ return ret;
+ else if(ret==0)
+ break;
+ }
+
+ ff_pes_muxer_end(s);
+ for(i = 0; i < ts->nb_services; i++) {
+ service = ts->services[i];
+ av_freep(&service->provider_name);
+ av_freep(&service->name);
+ av_free(service);
+ }
+ av_free(ts->services);
+
+ return 0;
+}
+
+AVOutputFormat mpegts_muxer = {
+ "mpegts",
+ "MPEG2 transport stream format",
+ "video/x-mpegts",
+ "ts",
+ sizeof(MpegTSWrite),
+ CODEC_ID_MP2,
+ CODEC_ID_MPEG2VIDEO,
+ mpegts_write_header,
+ mpegts_write_packet,
+ mpegts_write_end,
+};
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