[Libav-user] Speeding up H264 decoding

Simon Brown simon.k.brown at gmail.com
Thu Sep 8 00:40:54 EEST 2016


Thank you - I tried that, but got no noticeable difference.

On 7 September 2016 at 16:59, Kristijonas Malisauskas <km at sportcaster.dk>
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 <simon.k.brown at gmail.com>
> 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
>>
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>>
>>
>
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