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| author | Michael Niedermayer <michaelni@gmx.at> | 2007-08-07 00:03:50 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2007-08-07 00:03:50 +0000 |
| commit | d4d226a8d56b44653d316420618beefad86cea3b (patch) | |
| tree | 0996d73da1e91777be7343933d2fee8c460a31be | |
| parent | 6ea67bbb60e54ffd1f9dbb4cc7636b83181fba5e (diff) | |
| download | ffmpeg-d4d226a8d56b44653d316420618beefad86cea3b.tar.gz | |
audio drift threshold
(this switches between resampling style timestamp drift compensation and
hard insert silence / drop samples compensation)
Originally committed as revision 9969 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | ffmpeg.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -178,6 +178,7 @@ static int video_stream_copy = 0; static int subtitle_stream_copy = 0; 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 opt_shortest = 0; // static int video_global_header = 0; @@ -453,7 +454,7 @@ static void do_audio_out(AVFormatContext *s, //FIXME resample delay if(fabs(delta) > 50){ - if(ist->is_start){ + if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){ if(byte_delta < 0){ byte_delta= FFMAX(byte_delta, -size); size += byte_delta; @@ -3607,6 +3608,7 @@ const OptionDef options[] = { { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" }, { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" }, { "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", "" }, { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" }, { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" }, { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, // |