Module: libav Branch: master Commit: b35e5d985dd12acf9a0aaa52334134edcf35d68e
Author: Justin Ruggles <[email protected]> Committer: Justin Ruggles <[email protected]> Date: Wed Dec 12 13:19:16 2012 -0500 doc: improve documentation for the asyncts filter first_pts option Note the time base for the option. Add an additional example description. --- doc/filters.texi | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/doc/filters.texi b/doc/filters.texi index 55e4468..34db2f4 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -250,11 +250,12 @@ Maximum compensation in samples per second. Relevant only with compensate=1. Default value 500. @item first_pts -Assume the first pts should be this value. +Assume the first pts should be this value. The time base is 1 / sample rate. This allows for padding/trimming at the start of stream. By default, no assumption is made about the first frame's expected pts, so no padding or trimming is done. For example, this could be set to 0 to pad the beginning with -silence if an audio stream starts after the video stream. +silence if an audio stream starts after the video stream or to trim any samples +with a negative pts due to encoder delay. @end table _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
