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vd_lavc: enable dr by default

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I had this enabled for quite a while and experienced no issues. I'm not
aware of other issues either.
This commit is contained in:
wm4 2018-04-28 15:41:39 +02:00 committed by Jan Ekström
parent 63441d36ef
commit d6af6efbf9
2 changed files with 5 additions and 7 deletions
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11
DOCS/man/options.rst
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@ -1134,22 +1134,19 @@ Video
N frames fail to decode in a row. 1 is equivalent to ``yes``. N frames fail to decode in a row. 1 is equivalent to ``yes``.
``--vd-lavc-dr=<yes|no>`` ``--vd-lavc-dr=<yes|no>``
Enable direct rendering (default: no). If this is set to ``yes``, the Enable direct rendering (default: yes). If this is set to ``yes``, the
video will be decoded directly to GPU video memory (or staging buffers). video will be decoded directly to GPU video memory (or staging buffers).
This can speed up video upload, and may help with large resolutions or This can speed up video upload, and may help with large resolutions or
slow hardware. This works only with the following VOs: slow hardware. This works only with the following VOs:
- ``gpu``: requires at least OpenGL 4.4. - ``gpu``: requires at least OpenGL 4.4 or Vulkan.
(In particular, this can't be made work with ``opengl-cb``.) (In particular, this can't be made work with ``opengl-cb``, but the libmpv
render API has optional support.)
Using video filters of any kind that write to the image data (or output Using video filters of any kind that write to the image data (or output
newly allocated frames) will silently disable the DR code path. newly allocated frames) will silently disable the DR code path.
There are some corner cases that will result in undefined behavior (crashes
and other strange behavior) if this option is enabled. These are pending
towards being fixed properly at a later point.
``--vd-lavc-bitexact`` ``--vd-lavc-bitexact``
Only use bit-exact algorithms in all decoding steps (for codec testing). Only use bit-exact algorithms in all decoding steps (for codec testing).

1
video/decode/vd_lavc.c
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@ -126,6 +126,7 @@ const struct m_sub_options vd_lavc_conf = {
.skip_idct = AVDISCARD_DEFAULT, .skip_idct = AVDISCARD_DEFAULT,
.skip_frame = AVDISCARD_DEFAULT, .skip_frame = AVDISCARD_DEFAULT,
.framedrop = AVDISCARD_NONREF, .framedrop = AVDISCARD_NONREF,
.dr = 1,
}, },
}; };