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

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Jun 4 00:36:59 CEST 2014

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

More information about the Libav-user mailing list