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Diffstat (limited to 'DOCS/man/vf.rst')
| -rw-r--r-- | DOCS/man/vf.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/DOCS/man/vf.rst b/DOCS/man/vf.rst index 4f9268256c..3797ad26bd 100644 --- a/DOCS/man/vf.rst +++ b/DOCS/man/vf.rst @@ -339,6 +339,14 @@ Available mpv-only filters are: Force a specific scaler backend, if applicable. This is a debug option and could go away any time. + ``<alpha=auto|straight|premul>`` + Set the kind of alpha the video uses. Undefined effect if the image + format has no alpha channel (could be ignored or cause an error, + depending on how mpv internals evolve). Setting this may or may not + cause downstream image processing to treat alpha differently, depending + on support. With ``convert`` and zimg used, this will convert the alpha. + libswscale and other FFmpeg components completely ignore this. + ``lavfi=graph[:sws-flags[:o=opts]]`` Filter video using FFmpeg's libavfilter. |