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| author | Paul B Mahol <onemda@gmail.com> | 2013-04-19 00:50:23 +0000 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2013-04-19 00:56:55 +0000 |
| commit | b63f7b3ac7b95032ae8c3e074f26b6c6158582da (patch) | |
| tree | fe356deb26eb1d372677315beb10b963b7d7aac8 /doc | |
| parent | 7e57adb464a9886bdef3012b08e903340465a89b (diff) | |
| download | ffmpeg-b63f7b3ac7b95032ae8c3e074f26b6c6158582da.tar.gz | |
lavfi/afade: use AV_OPT_TYPE_DURATION
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 43d736836a..4c702a9c26 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -612,15 +612,26 @@ volume as the input audio, at the end of the fade-out transition the output audio will be silence. Default is 44100. @item start_time, st -Specify time in seconds for starting to apply the fade -effect. Default is 0. +Specify time for starting to apply the fade effect. Default is 0. +The accepted syntax is: +@example +[-]HH[:MM[:SS[.m...]]] +[-]S+[.m...] +@end example +See also the function @code{av_parse_time()}. If set this option is used instead of @var{start_sample} one. @item duration, d -Specify the number of seconds for which the fade effect has to last. At -the end of the fade-in effect the output audio will have the same +Specify the duration for which the fade effect has to last. Default is 0. +The accepted syntax is: +@example +[-]HH[:MM[:SS[.m...]]] +[-]S+[.m...] +@end example +See also the function @code{av_parse_time()}. +At the end of the fade-in effect the output audio will have the same volume as the input audio, at the end of the fade-out transition -the output audio will be silence. Default is 0. +the output audio will be silence. If set this option is used instead of @var{nb_samples} one. @item curve |