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https://github.com/FFmpeg/FFmpeg.git
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56c57fe68a
The MSA optimization has been refined in commit93218c2andce0a52e. It is better than MMI version now. Speed of decoding H264: 4.83x ==> 4.89x (tested on 3A4000). Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
/*
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* Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
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* Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/attributes.h"
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#include "libavutil/mips/cpu.h"
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#include "h264chroma_mips.h"
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av_cold void ff_h264chroma_init_mips(H264ChromaContext *c, int bit_depth)
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{
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int cpu_flags = av_get_cpu_flags();
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int high_bit_depth = bit_depth > 8;
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if (have_mmi(cpu_flags)) {
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if (!high_bit_depth) {
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c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_mmi;
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c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_mmi;
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c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmi;
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c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmi;
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}
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}
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if (have_msa(cpu_flags)) {
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if (!high_bit_depth) {
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c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_msa;
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c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_msa;
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c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_msa;
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c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_msa;
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c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_msa;
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c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_msa;
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}
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}
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}
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