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| author | Paul B Mahol <onemda@gmail.com> | 2021-02-03 20:39:35 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2021-02-04 17:52:45 +0100 |
| commit | 57651493923ea4bc76453aa18fb0ecad7926720d (patch) | |
| tree | eb5a5a45b0dc41dc3907bb504de789fc8c63e0da /doc/filters.texi | |
| parent | e955f5ac017c570edd7d4ce5c8fb88265e192c6a (diff) | |
| download | ffmpeg-57651493923ea4bc76453aa18fb0ecad7926720d.tar.gz | |
avfilter/af_amix: add sum option
Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 2d85a414ec..52bced3143 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1879,6 +1879,11 @@ stream ends. The default value is 2 seconds. @item weights Specify weight of each input audio stream as sequence. Each weight is separated by space. By default all inputs have same weight. + +@item sum +Do not scale inputs but instead do only summation of samples. +Beware of heavy clipping if inputs are not normalized prior of filtering +or output from @var{amix} normalized after filtering. By default is disabled. @end table @subsection Commands @@ -1886,6 +1891,7 @@ Each weight is separated by space. By default all inputs have same weight. This filter supports the following commands: @table @option @item weights +@item sum Syntax is same as option with same name. @end table |