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| author | Paul B Mahol <onemda@gmail.com> | 2022-10-28 22:02:29 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2022-11-05 10:52:39 +0100 |
| commit | 5c2a29cf7239e78db7dfa27182144f68da88ca5c (patch) | |
| tree | a5276ff108658e045718707d644500ee6259b26d /doc | |
| parent | 1dc8d82da910972d308aebc1ee722044f83b9ccc (diff) | |
| download | ffmpeg-5c2a29cf7239e78db7dfa27182144f68da88ca5c.tar.gz | |
avfilter: add backgroundkey video filter
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 006173ba47..721549c2c7 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -7987,6 +7987,25 @@ The command accepts the same syntax of the corresponding option. If the specified expression is not valid, it is kept at its current value. +@section backgroundkey + +Turns a static background into transparency. + +The filter accepts the following option: + +@table @option +@item threshold +Threshold for scene change detection. +@item similarity +Similarity percentage with the background. +@item blend +Set the blend amount for pixels that are not similar. +@end table + +@subsection Commands + +This filter supports the all above options as @ref{commands}. + @section bbox Compute the bounding box for the non-black pixels in the input frame |