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| author | Clément Bœsch <ubitux@gmail.com> | 2011-12-29 23:45:45 +0100 |
|---|---|---|
| committer | Clément Bœsch <ubitux@gmail.com> | 2012-08-20 23:03:06 +0200 |
| commit | ddda29b4a70e4f5239a2a913b87dab0977bd49b8 (patch) | |
| tree | cec9cb79d8baafb3534b9a10d26c0caad8b20a94 /doc | |
| parent | 786f06e109e7daef9b9f193eaf89c3493367615e (diff) | |
| download | ffmpeg-ddda29b4a70e4f5239a2a913b87dab0977bd49b8.tar.gz | |
lavfi: add showspectrum filter.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 8847990eea..a9dbaf58b7 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -4252,6 +4252,20 @@ do not have exactly the same duration in the first file. @end itemize +@section showspectrum + +Convert input audio to a video output, representing the audio frequency +spectrum. + +The filter accepts the following named parameters: +@table @option +@item size, s +Specify the video size for the output. Default value is @code{640x480}. +@end table + +The usage is very similar to the showwaves filter; see the examples in that +section. + @section showwaves Convert input audio to a video output, representing the samples waves. |