[Ffmpeg-devel] dsputil arm patch
Tue Apr 24 10:18:31 CEST 2007
"Tao Huang" <ulysses.huang at gmail.com> writes:
> 2007/4/24, M?ns Rullg?rd <mans at mansr.com>:
>> Please don't include cosmetic changes in your patch. Those can be done
> ok :)
> Is this the sample video that comes with the N800 decoded on the N800?
>> Did you compile with the proper flags (-mcpu=arm1136jfs)? With this
>> flag, the included video should decode in about 22 seconds.
> Are you sure? What is the usage of ffmpeg?
IIRC something like ffmpeg -i foo.avi -an -f rawvideo -y /dev/null
> When I benchmark this video with mplayer, it use 30s. I don't know why
> ffmpeg use so long time. But, the delta is more important.
Well, did you specify the correct CPU? If you don't, the ARMv6
optimized IDCT isn't used.
> Could you try this patch?
mans at mansr.com
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