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authorNiklas Haas <git@nand.wakku.to>2015-03-23 02:42:19 +0100
committerwm4 <wm4@nowhere>2015-03-26 00:04:03 +0100
commit8c43e12b20a52dc61b53bc3eec779aa07b8c8220 (patch)
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parenta67494e86b7261f59a3a6a3f3e6b1fe0a257bf4f (diff)
downloadmpv-8c43e12b20a52dc61b53bc3eec779aa07b8c8220.tar.bz2
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vo_opengl: draw subtitles directly onto the video
This has a number of user-visible changes: 1. A new flag blend-subtitles (default on for opengl-hq) to control this behavior. 2. The OSD itself will not be color managed or affected by gamma controls. To get subtitle CMS/gamma, blend-subtitles must be used. 3. When enabled, this will make subtitles be cleanly interpolated by :interpolation, and also dithered etc. (just like the normal output). Signed-off-by: wm4 <wm4@nowhere>
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diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst
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@@ -652,6 +652,17 @@ Available video output drivers are:
Default is 128x256x64.
Sizes must be a power of two, and 512 at most.
+ ``blend-subtitles``
+ Blend subtitles directly onto upscaled video frames, before
+ interpolation and/or color management (default: no). Enabling this
+ causes subtitles to be affected by ``icc-profile``, ``target-prim``,
+ ``target-trc``, ``interpolation``, ``gamma`` and ``linear-scaling``.
+ It also increases subtitle performance when using ``interpolation``.
+
+ The downside of enabling this is that it restricts subtitles to the
+ visible portion of the video, so you can't have subtitles exist in the
+ black margins below a video (for example).
+
``alpha=<blend|yes|no>``
Decides what to do if the input has an alpha component (default: blend).