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Diffstat (limited to 'DOCS/man/en/vf.rst')
| -rw-r--r-- | DOCS/man/en/vf.rst | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/DOCS/man/en/vf.rst b/DOCS/man/en/vf.rst index c45e25bbf5..9ad8dfa07f 100644 --- a/DOCS/man/en/vf.rst +++ b/DOCS/man/en/vf.rst @@ -426,21 +426,30 @@ Available filters are: ``'--vf=lavfi=yadif:o="threads=2,thread_type=slice"'`` forces a specific threading configuration. -``noise[=luma[u][t|a][h][p]:chroma[u][t|a][h][p]]`` +``noise[=<strength>[:average][:pattern][:temporal][:uniform][:hq]`` Adds noise. - :<0-100>: luma noise - :<0-100>: chroma noise - :u: uniform noise (gaussian otherwise) - :t: temporal noise (noise pattern changes between frames) - :a: averaged temporal noise (smoother, but a lot slower) - :h: high quality (slightly better looking, slightly slower) - :p: mix random noise with a (semi)regular pattern + ``strength`` + Set the noise for all components. If you want different strength + values for luma and chroma, use libavfilter's noise filter directly + (using ``--vf=lavfi=[noise=...]``), or tell the libavfilter developers + to stop being stupid. - .. note:: + ``average`` + averaged temporal noise (smoother, but a lot slower) - Deprecated. Use libavfilter's ``noise`` filter through ``--vf=lavfi`` - instead. + ``pattern`` + mix random noise with a (semi)regular pattern + + ``temporal`` + temporal noise (noise pattern changes between frames) + + ``uniform`` + uniform noise (gaussian otherwise) + + ``hq`` + high quality (slightly better looking, slightly slower) - not available + when using libavfilter ``hqdn3d[=luma_spatial:chroma_spatial:luma_tmp:chroma_tmp]`` This filter aims to reduce image noise producing smooth images and making |