[FFmpeg-devel] multithreaded H.264 / macroblock layer

Martin Brocksch martin.brocksch
Mon Jun 15 17:21:54 CEST 2009


Andreas ?man wrote:

> Martin Brocksch wrote:
>
>> Maybe somebody could help me with my problem and / or provide me with some
>> documentation?
>>
>
> Hi,
>
> I tried to split the entropy decoding and picture reconstruction into
> two threads a few years ago. You can follow the thread here:
>
> http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2007-September/035861.html
>
> I would not expect the patch to apply clean on a up-to-date
> repository. But you might get a few ideas out of it.
>
> All in all, the realtime speed gain was 20-30% but the processing
> time spent increased with 100% (ie. Both cores working full time).
> So from a pixels output per energy inserted it actually performs
> a lot worse. Something to consider these days :)
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>
>

Hi,

thank you very much for the useful link to your previous patch.
It already helped me a lot..




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