I had a similar question sometime back. Try following this thread: https://ffmpeg.org/pipermail/libav-user/2016-July/009365.html see if it helps you.
Cheers On Thu, Sep 8, 2016 at 11:36 AM, Nikita Orlov <[email protected]> wrote: > Hi! > > Which cpu do you use? Most probably there is hardware decoder. Current cpu > usually can decode 4K@30 > some FullHD@30 at least. > > Another thing, that maybe can suit your case, is to prepare video > optimized for decode. > Very simple optimization is to use simplest profile - baseline. I believe > that there are some other options > to increase decoding speed, you have to google them. > > 08.09.2016, 00:41, "Simon Brown" <[email protected]>: > > Thank you - I tried that, but got no noticeable difference. > > On 7 September 2016 at 16:59, Kristijonas Malisauskas <[email protected]> > wrote: > > First thing i would suggest doing is setting your AVCodecContext to use > more threads > > for ex: videoCtx->thread_count = 4; > > On Wed, Sep 7, 2016 at 3:05 PM, Simon Brown <[email protected]> > wrote: > > I'm running a decode operation using doc/examples/demuxing_decoding.c I'm > running on an Arm A9 with Neon enabled. Sending a 1280x720p stream at > 24fps it can only decode about 15fps. Is there any way of speeding up the > decode operation? > > Regards, > Simon > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > > , > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > > > > -- > Nikita Orlov > Skype: nik_stet > QQ: 2717846083 > > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > >
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