[FFmpeg-trac] #8948(undetermined:open): NVDEC fails on file: requires (29 + threads) surfaces; thus fails on >3 threads (was: CUDA decoder fails on certain files.)
FFmpeg
trac at avcodec.org
Mon Aug 16 19:26:22 EEST 2021
#8948: NVDEC fails on file: requires (29 + threads) surfaces; thus fails on >3
threads
-------------------------------------+-------------------------------------
Reporter: ericbg | Owner: (none)
Type: defect | Status: open
Priority: normal | Component:
| undetermined
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Changes (by Balling):
* summary: CUDA decoder fails on certain files. =>
NVDEC fails on file: requires (29 + threads) surfaces; thus fails on
>3 threads
Comment:
A mechanism to reduce amount of auto threads should be introduced so that
this does not happen. This happens due to amount of reference frames in
CABAC. I also found a very nice 16 CABAC frames example that was long time
ago used here here:
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8948#comment:4>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list