ffmpeg | branch: master | Shiyou Yin <yinshiyou...@loongson.cn> | Mon Apr 12 23:37:01 2021 +0800| [56c57fe68a71cd58bf1da48aeb9417c11ea0e359] | committer: Michael Niedermayer
avcodec/mips: Restore the initialization sequence of MSA and MMI in ff_h264chroma_init_mips. The MSA optimization has been refined in commit 93218c2 and ce0a52e. It is better than MMI version now. Speed of decoding H264: 4.83x ==> 4.89x (tested on 3A4000). Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=56c57fe68a71cd58bf1da48aeb9417c11ea0e359 --- libavcodec/mips/h264chroma_init_mips.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/libavcodec/mips/h264chroma_init_mips.c b/libavcodec/mips/h264chroma_init_mips.c index 5551a7c2fe..aa52d2a3ae 100644 --- a/libavcodec/mips/h264chroma_init_mips.c +++ b/libavcodec/mips/h264chroma_init_mips.c @@ -29,7 +29,15 @@ av_cold void ff_h264chroma_init_mips(H264ChromaContext *c, int bit_depth) int cpu_flags = av_get_cpu_flags(); int high_bit_depth = bit_depth > 8; - /* MMI apears to be faster than MSA here */ + if (have_mmi(cpu_flags)) { + if (!high_bit_depth) { + c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_mmi; + c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_mmi; + c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmi; + c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmi; + } + } + if (have_msa(cpu_flags)) { if (!high_bit_depth) { c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_msa; @@ -41,13 +49,4 @@ av_cold void ff_h264chroma_init_mips(H264ChromaContext *c, int bit_depth) c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_msa; } } - - if (have_mmi(cpu_flags)) { - if (!high_bit_depth) { - c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_mmi; - c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_mmi; - c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmi; - c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmi; - } - } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
