[FFmpeg-devel] [RFC] ffmpeg: default to single thread when hwaccel is active

[Timo Rothenpieler]

On 29.09.2021 19:17, Dennis Mungai wrote:
> A potential downside to this would be on QSV's side, which needs at least
> 2  threads to prevent dead-locking, see
> https://github.com/Intel-Media-SDK/MediaSDK/blob/master/_studio/mfx_lib/scheduler/linux/src/mfx_scheduler_core_ischeduler.cpp#L90-L93

Is that even controlled by the avcodec threads parameter?
I can't find any occurrence of "numberOfThreads" anywhere in the entire 
codebase.
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