[FFmpeg-devel] [PATCH 1/3] lavc/speedhqdec: Add AV_CODEC_CAP_FRAME_THREADS

James Almer jamrial at gmail.com
Wed May 8 15:46:19 EEST 2024


On 5/8/2024 9:42 AM, Tomas Härdin wrote:
> Hi
> 
> On a 36-core machine (Intel(R) Xeon(R) Platinum 8124M CPU @ 3.00GHz)
> with a 7 minute 125 Mbit/s 1080p sample and -thread_type frame -threads
> 36 this brings CPU utilization from 117% to 3174%, 58x realtime
> 
> Without -threads 36 the utilization is only 1601% due to it being 16 by
> default..

Does this default make sense anymore? I think it was added for h264, but 
maybe it should be decoder dependent.

> 
> /Tomas
> 
> 
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