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From: Hao Chen <chenhao@loongson.cn>
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Subject: [FFmpeg-devel] Optimize HEVC decoding for loongarch
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ffmpeg -i 5_h265_1080p_60fps_3Mbps.mkv -f rawvideo -y /dev/null -an
before: 94fps
after : 191fps

[PATCH v1 1/5] avutil: [loongarch] Update loongson_intrinsics.h to
[PATCH v1 2/5] avcodec: [loongarch] Optimize Hevcdsp with LSX.
[PATCH v1 3/5] avcodec: [loongarch] Optimize Hevc_idct/lpf with LSX.
[PATCH v1 4/5] avcodec: [loongarch] Optimize Hevc_mc_bi with LSX.
[PATCH v1 5/5] avcodec: [loongarch] Optimize Hevc_mc_uni/w with LSX.

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