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Diffstat (limited to 'DOCS/man/en/vo.rst')
| -rw-r--r-- | DOCS/man/en/vo.rst | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/DOCS/man/en/vo.rst b/DOCS/man/en/vo.rst index 6b6d503219..c57f25f125 100644 --- a/DOCS/man/en/vo.rst +++ b/DOCS/man/en/vo.rst @@ -454,13 +454,20 @@ Available video output drivers are: Default is 128x256x64. Sizes must be a power of two, and 256 at most. - ``alpha`` - Try to create a framebuffer with alpha component. This only makes sense - if the video contains alpha information (which is extremely rare). May - not be supported on all platforms. If alpha framebuffers are - unavailable, it silently falls back on a normal framebuffer. Note - that when using FBO indirections (such as with ``opengl-hq``), an FBO - format with alpha must be specified with the ``fbo-format`` option. + ``alpha=<blend|yes|no>`` + Decides what to do if the input has an alpha component (default: blend). + + blend + Blend the frame against a black background. + yes + Try to create a framebuffer with alpha component. This only makes sense + if the video contains alpha information (which is extremely rare). May + not be supported on all platforms. If alpha framebuffers are + unavailable, it silently falls back on a normal framebuffer. Note + that when using FBO indirections (such as with ``opengl-hq``), an FBO + format with alpha must be specified with the ``fbo-format`` option. + no + Ignore alpha component. ``chroma-location=<auto|center|left>`` Set the YUV chroma sample location. auto means use the bitstream |