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| author | Baptiste Coudurier <baptiste.coudurier@smartjog.com> | 2010-12-04 13:03:42 +0000 |
|---|---|---|
| committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-12-04 13:03:42 +0000 |
| commit | a4dc7aa5b5f2b8d1a2993b9887c0428e6b01677f (patch) | |
| tree | 05f8e9fb6ea25e2715ccff5e3bc5d61c74287a16 /doc | |
| parent | bb4afa13dd3264832bc379bbfefe1db8cf4f0e40 (diff) | |
| download | ffmpeg-a4dc7aa5b5f2b8d1a2993b9887c0428e6b01677f.tar.gz | |
Port libmpcodecs hqdn3d filter.
Patch by Baptiste with some fixes by me.
Originally committed as revision 25880 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 9583e4e41b..7e48b8307b 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -344,6 +344,33 @@ For example to horizontally flip the video in input with ffmpeg -i in.avi -vf "hflip" out.avi @end example +@section hqdn3d + +High precision/quality 3d denoise filter. This filter aims to reduce +image noise producing smooth images and making still images really +still. It should enhance compressibility. + +It accepts the following optional parameters: +@var{luma_spatial}:@var{chroma_spatial}:@var{luma_tmp}:@var{chroma_tmp} + +@table @option +@item luma_spatial +a non-negative float number which specifies spatial luma strength, +defaults to 4.0 + +@item chroma_spatial +a non-negative float number which specifies spatial chroma strength, +defaults to 3.0*@var{luma_spatial}/4.0 + +@item luma_tmp +a float number which specifies luma temporal strength, defaults to +6.0*@var{luma_spatial}/4.0 + +@item chroma_tmp +a float number which specifies chroma temporal strength, defaults to +@var{luma_tmp}*@var{chroma_spatial}/@var{luma_spatial} +@end table + @section noformat Force libavfilter not to use any of the specified pixel formats for the |