[FFmpeg-devel] ffmpeg multithread decoding, the rate is not improved

Mashiat Sarker Shakkhar mashiat.sarker at gmail.com
Sat Apr 28 10:21:07 CEST 2012


On 4/28/2012 2:02 PM, 艾薇妮 wrote:
> Hi!
>   I'm trying to decode .264 file using ffmpeg with -threads option,i'm  using a dual-core computer and build ffmpeg using the pthread option,but   the rate is not improved,i wonder what is the reason.
>   my command line is:
>   time ./ffmpeg -y -threads 2  -thread_type slice -i test.264 test.yuv
[...]

Did you check if your test stream even has slices? What rate are you 
trying to improve?

Note: This is the development channel. Your question seems more 
appropriate for the user channel.


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