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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-28 20:53:54 +02:00
FFmpeg/libavcodec/loongarch/h264chroma_init_loongarch.c
Shiyou Yin 6038a9eb92 avcodec: [loongarch] Optimize h264_chroma_mc with LASX.
./ffmpeg -i ../1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -y /dev/null -an
before:170
after :183

Change-Id: I42ff23cc2dc7c32bd1b7e4274da9d9ec87065f20
Reviewed-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
Reviewed-by: guxiwei <guxiwei-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-12-15 18:37:40 +01:00

38 lines
1.4 KiB
C

/*
* Copyright (c) 2020 Loongson Technology Corporation Limited
* Contributed by Shiyou Yin <yinshiyou-hf@loongson.cn>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "h264chroma_lasx.h"
#include "libavutil/attributes.h"
#include "libavutil/loongarch/cpu.h"
#include "libavcodec/h264chroma.h"
av_cold void ff_h264chroma_init_loongarch(H264ChromaContext *c, int bit_depth)
{
int cpu_flags = av_get_cpu_flags();
if (have_lasx(cpu_flags)) {
if (bit_depth <= 8) {
c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_lasx;
c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_lasx;
c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_lasx;
}
}
}