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ffmpeg: Make CFR frame drop threshold user adjustable

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-17 04:38:32 +01:00
parent 52f2adc015
commit 77f326dc36
3 changed files with 7 additions and 1 deletions
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4
ffmpeg.c
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@ -962,7 +962,9 @@ static void do_video_out(AVFormatContext *s,
}
case VSYNC_CFR:
// FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
if (delta < -1.1)
if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
nb_frames = 0;
} else if (delta < -1.1)
nb_frames = 0;
else if (delta > 1.1) {
nb_frames = lrintf(delta);

1
ffmpeg.h
View File

@ -482,6 +482,7 @@ extern float dts_error_threshold;
extern int audio_volume;
extern int audio_sync_method;
extern int video_sync_method;
extern float frame_drop_threshold;
extern int do_benchmark;
extern int do_benchmark_all;
extern int do_deinterlace;

3
ffmpeg_opt.c
View File

@ -86,6 +86,7 @@ float dts_error_threshold = 3600*30;
int audio_volume = 256;
int audio_sync_method = 0;
int video_sync_method = VSYNC_AUTO;
float frame_drop_threshold = 0;
int do_deinterlace = 0;
int do_benchmark = 0;
int do_benchmark_all = 0;
@ -2873,6 +2874,8 @@ const OptionDef options[] = {
" \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
{ "vsync", HAS_ARG | OPT_EXPERT, { opt_vsync },
"video sync method", "" },
{ "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
"frame drop threshold", "" },
{ "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
"audio sync method", "" },
{ "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },