[FFmpeg-devel] Optimize Mpeg4 decoding for loongarch.

Hao Chen chenhao at loongson.cn
Fri Dec 24 11:49:19 EET 2021

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./ffmpeg -i 8_mpeg4_1080p_24fps_12Mbps.avi -f rawvideo -y /dev/null -an
before:376fps
after :552fps

avcodec: [loongarch] Optimize hpeldsp with LASX.
avcodec: [loongarch] Optimize idctdstp with LASX.
avcodec: [loongarch] Optimize prefetch with loongarch.

Previous message (by thread): [FFmpeg-devel] [PATCH] lavc/qsvenc_hevc: add -pic_timing_sei option
Next message (by thread): [FFmpeg-devel] [PATCH 1/3] avcodec: [loongarch] Optimize hpeldsp with LASX.
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