[FFmpeg-devel] Optimize Mpeg4 decoding for loongarch

[殷时友]

> 2021年12月29日 下午6:18，Hao Chen <chenhao at loongson.cn> 写道：
> 
> ./ffmpeg -i 8_mpeg4_1080p_24fps_12Mbps.avi -f rawvideo -y /dev/null -an
> before:376fps
> after :552fps
> 
> V2: Revised PATCH 1/3 according to the comments.
> V3: Resubmit these patches due to miss PATCH v2 1/3.
> 
> [PATCH v3 1/3] avcodec: [loongarch] Optimize hpeldsp with LASX.
> [PATCH v3 2/3] avcodec: [loongarch] Optimize idctdstp with LASX.
> [PATCH v3 3/3] avcodec: [loongarch] Optimize prefetch with loongarch.
> 

LGTM.