[Libav-user] multithreading video decoding support using ffmpeg

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Jan 2 20:24:21 CET 2014

Ierum Shanaya <ierumshanaya85 at ...> writes:

> I tried looking into the documentation of how to use 
> multithreading to decode a h264 or mpg video static file, 
> but could not find any detailed note.
> Could you please help me understand - how can we use 
> multithreading to decode an incoming static video stream.

Set thread_count in AVCodecContext to the number of threads 
that libavcodec should use, 0 for autodetection of cpu cores.

Note that some decoders do not support multithreading (h264 does).

Carl Eugen

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