[Ffmpeg-cvslog] r6028 - trunk/doc/ffmpeg-doc.texi

banan subversion
Sat Aug 19 22:00:23 CEST 2006

Author: banan
Date: Sat Aug 19 22:00:22 2006
New Revision: 6028


-async and -vsync documentation. Based on info from the mailinglist.

Modified: trunk/doc/ffmpeg-doc.texi
--- trunk/doc/ffmpeg-doc.texi	(original)
+++ trunk/doc/ffmpeg-doc.texi	Sat Aug 19 22:00:22 2006
@@ -504,6 +504,16 @@
 @item -loop_output number_of_times
 Repeatedly loop output for formats that support looping such as animated GIF
 (0 will loop the output infinitely).
+ at 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.
+ at 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

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