[FFmpeg-devel] [RFC] H.264/SQV3 separation: h264data.h

Robert Swain robert.swain
Tue Dec 16 12:01:20 CET 2008


2008/12/16 Robert Swain <robert.swain at gmail.com>:
> 2008/12/16 Uoti Urpala <uoti.urpala at pp1.inet.fi>:
>> On Tue, 2008-12-16 at 09:43 +0100, Diego Biurrun wrote:
>>> I did post a link to the patch.  I did not attach it because it is 118kB:
>>>
>>> http://www1.mplayerhq.hu/~diego/split.diff
>>
>> I see about 8% slowdown. That is larger than the usual random
>> performance changes.
>
> CPU: Core Duo 1.83GHz 2MB L2
> OS: Mac OS 10.5.6
> Command line: time ffmpeg -i ~/samples/h264/BigBuckBunny.mkv -t 30 -an
> -f null /dev/null >& /dev/null
>
> Vanilla:
>
> real    0m41.431s
> user    0m40.595s
> sys     0m0.438s
>
> real    0m41.260s
> user    0m40.582s
> sys     0m0.408s
>
> real    0m41.191s
> user    0m40.549s
> sys     0m0.397s
>
>
> Split:
>
> real    0m43.197s
> user    0m42.405s
> sys     0m0.426s
>
> real    0m43.170s
> user    0m42.406s
> sys     0m0.438s
>
> real    0m43.069s
> user    0m42.370s
> sys     0m0.403s

With i686-apple-darwin9-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5566).

Rob




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