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authorwm4 <wm4@nowhere>2013-09-19 16:55:56 +0200
committerwm4 <wm4@nowhere>2013-09-19 17:03:03 +0200
commit93feffad15fe68dc97278df9e6726135e31b6474 (patch)
tree7a487a30eedd5064bc09e7c3801d8db738867a84 /DOCS
parent69e272dad707aae1ae99dabdf45bb82d3bf7a905 (diff)
downloadmpv-93feffad15fe68dc97278df9e6726135e31b6474.tar.bz2
mpv-93feffad15fe68dc97278df9e6726135e31b6474.tar.xz
vo_opengl: blend alpha components by default
Improves display of images and video with alpha channel, especially if the transparent regions contain (supposed to be invisible) garbage color values.
Diffstat (limited to 'DOCS')
-rw-r--r--DOCS/man/en/vo.rst21
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