[Ffmpeg-devel] h264 playback performance

[Måns Rullgård]

Guillaume POIRIER said:
> Hi,
>
> On 9/19/06, Steven Ellis <mail_lists at stevencherie.net> wrote:
>> Andreas ?man wrote:
>> > The file is called 'SVT HD Teaser-ac3-chopped.ts' and uploaded to
>> > ftp://mplayerhq.hu/MPlayer/incoming
>> >
>> Can you confirm the filename as I tried to grab it and got a 404.
>>
>> > Secondly... (and the reason i sent the mail to ffmpeg-devel)
>> >
>> > Has there been any thoughts about making the h264-decoder
>> > multithreaded? With the arrival of multi-core CPUs it would
>> > seem like a wise thing to ponder.
>> Yes i'm also interested in SMP support for multiple threads. Would make
>> dual core 3600+ processors suitable for 1080i video playback.
>
> Well, it's not that simple! :-) You need to find tasks that are
> suitable for parallelization. If Multi-threaded support means that you
> deport just 10-20% to the other CPU, that won't make your 3600+
> blazing fast all of the sudden...
>
> Multi-threaded support is _really_ not an easy thing to do..
>
> BTW, if you are looking for a suposibly multi-threaded version of
> MPlayer, you can look that this fork of MPlayer:
> http://mplayerxp.sourceforge.net/

That one still does video decoding in a single thread.  It won't help with
HD video.

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M?ns Rullg?rd
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