[FFmpeg-devel] [PATCH] avcodec: use looking up crop table method when do clip

周晓勇 zhouxiaoyong at loongson.cn
Tue Aug 11 14:35:56 CEST 2015




> -----原始邮件-----
> 发件人: "Michael Niedermayer" <michael at niedermayer.cc>
> 发送时间: 2015年8月11日 星期二
> 收件人: "FFmpeg development discussions and patches" <ffmpeg-devel at ffmpeg.org>
> 抄送: 
> 主题: Re: [FFmpeg-devel] [PATCH] avcodec: use looking up crop table method when do clip
> 
> On Tue, Aug 11, 2015 at 10:12:25AM +0800, 周晓勇 wrote:
> > 
> > 
> > 
> > > -----原始邮件-----
> > > 发件人: "Michael Niedermayer" <michael at niedermayer.cc>
> > > 发送时间: 2015年8月11日 星期二
> > > 收件人: "FFmpeg development discussions and patches" <ffmpeg-devel at ffmpeg.org>
> > > 抄送: 
> > > 主题: Re: [FFmpeg-devel] [PATCH] avcodec: use looking up crop table method when do clip
> > > 
> > > On Fri, Aug 07, 2015 at 05:30:01PM +0800, 周晓勇 wrote:
> > > > based on last h264qpel optimization patch i have pushed
> > > > do i need separate this patch to double? cause one file to change loongson arch
> > > > use looking up crop table method may boost up decode on loongson, and with this patch x86 pass fate too
> > > 
> > > > but i have not tested on other arch
> > > 
> > > as this also changes x86, benchmarks on x86 are required
> > 
> > test on Ubuntu 15.04 and cpu:
> > time ./ffmepg -i 1280x720.mp4 -f rawvideo -an -vframes 4096 -y /dev/null
> 
> where can i find the 1280x720.mp4 file ?

movie download addr:
http://mirror.lemote.com/archls/testing/movies/h264/1280x720.mp4


More information about the ffmpeg-devel mailing list