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avcodec: [loongarch] Optimize h264dsp with LASX.

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./ffmpeg -i ../1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -y /dev/null -an
before:225
after :282

Change-Id: Ibe245827dcdfe8fc1541c6b172483151bfa9e642
Reviewed-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
Reviewed-by: guxiwei <guxiwei-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
pull/376/head
gxw 3 years ago committed by Michael Niedermayer
parent cba7c0267d
commit 3f294ec879
6 changed files with 2245 additions and 0 deletions
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  1. 1
      libavcodec/h264dsp.c
  2. 2
      libavcodec/h264dsp.h
  3. 2
      libavcodec/loongarch/Makefile
  4. 58
      libavcodec/loongarch/h264dsp_init_loongarch.c
  5. 2114
      libavcodec/loongarch/h264dsp_lasx.c
  6. 68
      libavcodec/loongarch/h264dsp_lasx.h

1
libavcodec/h264dsp.c
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@ -157,4 +157,5 @@ av_cold void ff_h264dsp_init(H264DSPContext *c, const int bit_depth,
if (ARCH_PPC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
if (ARCH_X86) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
if (ARCH_MIPS) ff_h264dsp_init_mips(c, bit_depth, chroma_format_idc);
if (ARCH_LOONGARCH) ff_h264dsp_init_loongarch(c, bit_depth, chroma_format_idc);
}

2
libavcodec/h264dsp.h
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@ -129,5 +129,7 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
const int chroma_format_idc);
void ff_h264dsp_init_mips(H264DSPContext *c, const int bit_depth,
const int chroma_format_idc);
void ff_h264dsp_init_loongarch(H264DSPContext *c, const int bit_depth,
const int chroma_format_idc);
#endif /* AVCODEC_H264DSP_H */

2
libavcodec/loongarch/Makefile
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@ -1,4 +1,6 @@
OBJS-$(CONFIG_H264CHROMA) += loongarch/h264chroma_init_loongarch.o
OBJS-$(CONFIG_H264QPEL) += loongarch/h264qpel_init_loongarch.o
OBJS-$(CONFIG_H264DSP) += loongarch/h264dsp_init_loongarch.o
LASX-OBJS-$(CONFIG_H264CHROMA) += loongarch/h264chroma_lasx.o
LASX-OBJS-$(CONFIG_H264QPEL) += loongarch/h264qpel_lasx.o
LASX-OBJS-$(CONFIG_H264DSP) += loongarch/h264dsp_lasx.o

58
libavcodec/loongarch/h264dsp_init_loongarch.c
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@ -0,0 +1,58 @@
/*
* Copyright (c) 2021 Loongson Technology Corporation Limited
* Contributed by Shiyou Yin <yinshiyou-hf@loongson.cn>
* Xiwei Gu <guxiwei-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 "libavutil/loongarch/cpu.h"
#include "h264dsp_lasx.h"
av_cold void ff_h264dsp_init_loongarch(H264DSPContext *c, const int bit_depth,
const int chroma_format_idc)
{
int cpu_flags = av_get_cpu_flags();
if (have_lasx(cpu_flags)) {
if (bit_depth == 8) {
c->h264_add_pixels4_clear = ff_h264_add_pixels4_8_lasx;
c->h264_add_pixels8_clear = ff_h264_add_pixels8_8_lasx;
c->h264_v_loop_filter_luma = ff_h264_v_lpf_luma_8_lasx;
c->h264_h_loop_filter_luma = ff_h264_h_lpf_luma_8_lasx;
c->h264_v_loop_filter_luma_intra = ff_h264_v_lpf_luma_intra_8_lasx;
c->h264_h_loop_filter_luma_intra = ff_h264_h_lpf_luma_intra_8_lasx;
c->h264_v_loop_filter_chroma = ff_h264_v_lpf_chroma_8_lasx;
if (chroma_format_idc <= 1)
c->h264_h_loop_filter_chroma = ff_h264_h_lpf_chroma_8_lasx;
c->h264_v_loop_filter_chroma_intra = ff_h264_v_lpf_chroma_intra_8_lasx;
if (chroma_format_idc <= 1)
c->h264_h_loop_filter_chroma_intra = ff_h264_h_lpf_chroma_intra_8_lasx;
/* Weighted MC */
c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels16_8_lasx;
c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels8_8_lasx;
c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels4_8_lasx;
c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels16_8_lasx;
c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels8_8_lasx;
c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels4_8_lasx;
}
}
}

2114
libavcodec/loongarch/h264dsp_lasx.c
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68
libavcodec/loongarch/h264dsp_lasx.h
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@ -0,0 +1,68 @@
/*
* Copyright (c) 2021 Loongson Technology Corporation Limited
* Contributed by Shiyou Yin <yinshiyou-hf@loongson.cn>
* Xiwei Gu <guxiwei-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_H264DSP_LASX_H
#define AVCODEC_LOONGARCH_H264DSP_LASX_H
#include "libavcodec/h264dec.h"
void ff_h264_h_lpf_luma_8_lasx(uint8_t *src, ptrdiff_t stride,
int alpha, int beta, int8_t *tc0);
void ff_h264_v_lpf_luma_8_lasx(uint8_t *src, ptrdiff_t stride,
int alpha, int beta, int8_t *tc0);
void ff_h264_h_lpf_luma_intra_8_lasx(uint8_t *src, ptrdiff_t stride,
int alpha, int beta);
void ff_h264_v_lpf_luma_intra_8_lasx(uint8_t *src, ptrdiff_t stride,
int alpha, int beta);
void ff_h264_h_lpf_chroma_8_lasx(uint8_t *src, ptrdiff_t stride,
int alpha, int beta, int8_t *tc0);
void ff_h264_v_lpf_chroma_8_lasx(uint8_t *src, ptrdiff_t stride,
int alpha, int beta, int8_t *tc0);
void ff_h264_h_lpf_chroma_intra_8_lasx(uint8_t *src, ptrdiff_t stride,
int alpha, int beta);
void ff_h264_v_lpf_chroma_intra_8_lasx(uint8_t *src, ptrdiff_t stride,
int alpha, int beta);
void ff_biweight_h264_pixels16_8_lasx(uint8_t *dst, uint8_t *src,
ptrdiff_t stride, int height,
int log2_denom, int weight_dst,
int weight_src, int offset_in);
void ff_biweight_h264_pixels8_8_lasx(uint8_t *dst, uint8_t *src,
ptrdiff_t stride, int height,
int log2_denom, int weight_dst,
int weight_src, int offset);
void ff_biweight_h264_pixels4_8_lasx(uint8_t *dst, uint8_t *src,
ptrdiff_t stride, int height,
int log2_denom, int weight_dst,
int weight_src, int offset);
void ff_weight_h264_pixels16_8_lasx(uint8_t *src, ptrdiff_t stride,
int height, int log2_denom,
int weight_src, int offset_in);
void ff_weight_h264_pixels8_8_lasx(uint8_t *src, ptrdiff_t stride,
int height, int log2_denom,
int weight_src, int offset);
void ff_weight_h264_pixels4_8_lasx(uint8_t *src, ptrdiff_t stride,
int height, int log2_denom,
int weight_src, int offset);
void ff_h264_add_pixels4_8_lasx(uint8_t *_dst, int16_t *_src, int stride);
void ff_h264_add_pixels8_8_lasx(uint8_t *_dst, int16_t *_src, int stride);
#endif // #ifndef AVCODEC_LOONGARCH_H264DSP_LASX_H
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