[MPlayer-dev-eng] [PATCH]Add support for CoreAVC h264 codec

[Corey Hickey]

Alan Nisota wrote:
> On 10/3/06, Michael Niedermayer wrote:
>> could you post benchmarks with h264 videos with various parameters with
>> coreavc and ffh264? that should be VERY usefull to find out which parts are
>> faster then ffh264 which could then help to improve ffh264
>>
>> things to test
>> * low resolution where all reference frames+1 _easily_ fit in the L2 cache
>> * CABAC / CAVLC
>> * high bitrate / low bitrate
>> * intra only
>> * B frames vs. no B frames
>> * loop filter / disabled loop filter
>>
>> and also check if the output of coreavc is binary identical to ffh264
>> if not that would explain why they are faster
>>
>> also try to compile (i386)/dsputil* with -O2 that will make lavc
>> faster depending on the gcc version
> I will work on all of this.  It'll take some time to generate the
> data, but I will get back to you.

Good for you.

> Just for your info, I didn't see much difference in speed between the
> beta (0.4) and the latest version (1.1)
> I've been benchmarking using
> mplayer -benchmark -nosound -vo null
> is this sufficient for everything but the frame-accuracy tests?

I would think so. For the frame-accuracy tests, '-vo md5sum' should be
useful.

-Corey