[Libav-user] Problem using ffmpeg slice multithread h264 decoder

[stefano deiala]

Hi Carl, thanks for your help. 
We tried to encode setting slices but it doesn't work. Can we check if decoder is receiving slices correctly?
We don't want to use ffmpeg application.
Thanks!

Stefano

> To: libav-user at ffmpeg.org
> From: cehoyos at ag.or.at
> Date: Tue, 3 Jun 2014 22:36:59 +0000
> Subject: Re: [Libav-user] Problem using ffmpeg slice multithread h264 decoder
> 
> stefano deiala <sdeia83 at ...> writes:
> 
> > I have some problems using the ffmpeg slice 
> > multithread h264 decoder tool.These code lines 
> > my_avcodec_context->thread_type=FF_THREAD_SLICE; 
> > my_avcodec_context->thread_count=16;
> > open 16 threads but can't improve decoding 
> > performances.
> 
> Did you test ffmpeg (the application)?
> 
> Sliced decoding can only work if the 
> stream was encoded using slices.
> 
> Carl Eugen
> 
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