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Diffstat (limited to 'doc/ffmpeg-doc.texi')
| -rw-r--r-- | doc/ffmpeg-doc.texi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/ffmpeg-doc.texi b/doc/ffmpeg-doc.texi index 9f3f85146b..c9b7c22994 100644 --- a/doc/ffmpeg-doc.texi +++ b/doc/ffmpeg-doc.texi @@ -504,6 +504,16 @@ streams. This option is used for automatic FFserver testing. @item -loop_output number_of_times Repeatedly loop output for formats that support looping such as animated GIF (0 will loop the output infinitely). +@item -vsync parameter +Video sync method. Video will be stretched/sqeezed to match the timestamps, +it is done by duplicating and droping frames. With -map you can select from +which stream the timestamps should be taken, you can leave either video or +audio unchanged and sync the remaining stream(s) to the unchanged one. +@item -async samples_per_second +Audio sync method. "Stretches/sqeezes" the audio stream to match the timestamps, +the parameter is the maximum samples per second by which the audio is changed. +-async 1 is a special case where only the start of the audio stream is corrected +without any later correction. @end table @node FFmpeg formula evaluator |