videolan/ffmpeg
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ffmpeg: make copy_tb tri state so the user can select either timebase or

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leave it at auto

Inspired-by a change from Anton Khirnov
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-12-01 03:06:16 +01:00
parent 9d76cf0b18
commit 6e96ad8215
1 changed files with 8 additions and 6 deletions
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14
ffmpeg.c
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@ -142,7 +142,7 @@ 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= 0;
static int copy_tb= -1;
static int opt_shortest = 0;
static char *vstats_filename;
static FILE *vstats_file;
@ -2193,15 +2193,17 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
codec->time_base = ist->st->time_base;
if(!strcmp(oc->oformat->name, "avi")) {
if (!copy_tb &&
av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) &&
av_q2d(ist->st->time_base) < 1.0/500){
if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
&& av_q2d(ist->st->time_base) < 1.0/500
|| copy_tb==0){
codec->time_base = icodec->time_base;
codec->time_base.num *= icodec->ticks_per_frame;
codec->time_base.den *= 2;
}
} else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)) {
if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
&& av_q2d(ist->st->time_base) < 1.0/500
|| copy_tb==0){
codec->time_base = icodec->time_base;
codec->time_base.num *= icodec->ticks_per_frame;
}
@ -4666,7 +4668,7 @@ static const OptionDef options[] = {
{ "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
{ "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
{ "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" },
{ "copytb", HAS_ARG | OPT_INT | 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" },
{ "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },