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avcodec: [loongarch] Optimize h264_chroma_mc with LASX.

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./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>
This commit is contained in:
Shiyou Yin 2021-12-15 11:51:05 +08:00 committed by Michael Niedermayer
parent 9a840ffa17
commit 6038a9eb92
7 changed files with 3235 additions and 0 deletions
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2
libavcodec/h264chroma.c
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@ -56,4 +56,6 @@ av_cold void ff_h264chroma_init(H264ChromaContext *c, int bit_depth)
ff_h264chroma_init_x86(c, bit_depth);
if (ARCH_MIPS)
ff_h264chroma_init_mips(c, bit_depth);
if (ARCH_LOONGARCH64)
ff_h264chroma_init_loongarch(c, bit_depth);
}

1
libavcodec/h264chroma.h
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@ -36,5 +36,6 @@ void ff_h264chroma_init_arm(H264ChromaContext *c, int bit_depth);
void ff_h264chroma_init_ppc(H264ChromaContext *c, int bit_depth);
void ff_h264chroma_init_x86(H264ChromaContext *c, int bit_depth);
void ff_h264chroma_init_mips(H264ChromaContext *c, int bit_depth);
void ff_h264chroma_init_loongarch(H264ChromaContext *c, int bit_depth);
#endif /* AVCODEC_H264CHROMA_H */

2
libavcodec/loongarch/Makefile Normal file
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@ -0,0 +1,2 @@
OBJS-$(CONFIG_H264CHROMA) += loongarch/h264chroma_init_loongarch.o
LASX-OBJS-$(CONFIG_H264CHROMA) += loongarch/h264chroma_lasx.o

37
libavcodec/loongarch/h264chroma_init_loongarch.c Normal file
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@ -0,0 +1,37 @@
/*
* 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;
}
}
}

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libavcodec/loongarch/h264chroma_lasx.c Normal file
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36
libavcodec/loongarch/h264chroma_lasx.h Normal file
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@ -0,0 +1,36 @@
/*
* 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
*/
#ifndef AVCODEC_LOONGARCH_H264CHROMA_LASX_H
#define AVCODEC_LOONGARCH_H264CHROMA_LASX_H
#include <stdint.h>
#include <stddef.h>
#include "libavcodec/h264.h"
void ff_put_h264_chroma_mc4_lasx(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
int h, int x, int y);
void ff_put_h264_chroma_mc8_lasx(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
int h, int x, int y);
void ff_avg_h264_chroma_mc8_lasx(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
int h, int x, int y);
#endif /* AVCODEC_LOONGARCH_H264CHROMA_LASX_H */

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libavutil/loongarch/loongson_intrinsics.h Normal file
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