#11245: Slow HEIC decoding with "hevc_cuvid"
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Reporter: dkode | Owner: (none)
Type: defect | Status: new
Priority: important | Component: avformat
Version: 7.1 | Resolution:
Keywords: heif | Blocked By:
hevc_cuvid |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Balling):
Apparently there is a mistake in CUVID init as opposed to Nvidia decoder
guidelines.
https://forums.developer.nvidia.com/t/expected-performance-gain/311816
"Another difference while using the FFMPEG approach is that
‘cuvidParseVideoData’ and ‘cuvidMapVideoFrame’ are executed in the same
thread (opposite to what is recommended in the documentation, since
‘cuvidMapVideoFrame’ will block the execution)."
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Ticket URL: <https://trac.ffmpeg.org/ticket/11245#comment:11>
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