#11331: X265 HEVC Alpha transparency support
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Reporter: Mista_D | Owner: (none)
Type: sponsoring | Status: closed
request |
Priority: wish | Component: avcodec
Version: git-master | Resolution:
Keywords: alpha x265 | needs_more_info
hevc | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Timo R.):
Encoding support via libx265 and potentially nvenc might be available here
now:
https://github.com/BtbN/FFmpeg/tree/nvenc_hevc_alpha
Currently there seems to be a driver bug that makes nvenc write incomplete
alpha headers when in global headers mode.
To work around that in a non-compliant, hacky way:
https://github.com/BtbN/FFmpeg/tree/nvenc_hevc_alpha_hack
I have not yet found a way to actually decode or test those files.
Nothing seems to support decoding them. But on first glance they seem to
be correct and spec compliant.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11331#comment:6>
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