#9599: VideoToolbox VP9 hwaccel freezes ffmpeg
-------------------------------------+-------------------------------------
Reporter: Eric Karnes | Owner: ePirat
Type: defect | Status: open
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: | Blocked By:
videotoolbox vp9 |
Blocking: | Reproduced by developer: 1
Analyzed by developer: 1 |
-------------------------------------+-------------------------------------
Changes (by ePirat):
* analyzed: 0 => 1
* owner: (none) => ePirat
* status: reopened => open
* component: undetermined => avcodec
* reproduced: 0 => 1
Comment:
Indeed this hang in Videotoolbox can be worked around with the
`vp9_superframe` bsf, I am currently investigating ways to make this work
for VT without breaking the rest…
After some IRC discussion, given that VT expects packets not slices, one
option would be to make VT its own codec, but downsides of this would be
lack of software fallback and metadata propagation, which right now is
parsed by the VP9 decoder IIUC.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9599#comment:27>
FFmpeg <https://ffmpeg.org>
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