generic-library/ffmpeg
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New "copytb" ffmpeg cli option to copy input stream time base when stream copying.

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This should avoid non monotone timestamps for video streams with vfr.

Originally committed as revision 26340 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2011-01-14 22:01:49 +00:00
parent bd11c7a1a8
commit 0f27e6b4c2
1 changed files with 3 additions and 1 deletions
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4
ffmpeg.c
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@ -213,6 +213,7 @@ static int video_sync_method= -1;
static int audio_sync_method= 0;
static float audio_drift_threshold= 0.1;
static int copy_ts= 0;
static int copy_tb;
static int opt_shortest = 0;
static int video_global_header = 0;
static char *vstats_filename;
@ -2143,7 +2144,7 @@ static int transcode(AVFormatContext **output_files,
goto fail;
memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
codec->extradata_size= icodec->extradata_size;
if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
codec->time_base = icodec->time_base;
codec->time_base.num *= icodec->ticks_per_frame;
av_reduce(&codec->time_base.num, &codec->time_base.den,
@ -4214,6 +4215,7 @@ static const OptionDef options[] = {
{ "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
{ "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
{ "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
{ "copytb", OPT_BOOL | OPT_EXPERT, {(void*)&copy_tb}, "copy input stream time base when stream copying" },
{ "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
{ "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
{ "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },