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avcodec/mips: MSA (MIPS-SIMD-Arch) optimizations for pixblock functions

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This patch adds MSA (MIPS-SIMD-Arch) optimizations for pixblock functions in new file pixblockdsp_msa.c
Adds new generic macros (needed for this patch) in libavutil/mips/generic_macros_msa.h

Signed-off-by: Shivraj Patil <shivraj.patil@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Shivraj Patil 2015-06-14 23:26:26 +05:30 committed by Michael Niedermayer
parent 21cede9e97
commit d9deae04a7
7 changed files with 243 additions and 0 deletions
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2
libavcodec/mips/Makefile
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@ -28,6 +28,7 @@ OBJS-$(CONFIG_H263DSP) += mips/h263dsp_init_mips.o
OBJS-$(CONFIG_QPELDSP) += mips/qpeldsp_init_mips.o
OBJS-$(CONFIG_HPELDSP) += mips/hpeldsp_init_mips.o
OBJS-$(CONFIG_BLOCKDSP) += mips/blockdsp_init_mips.o
OBJS-$(CONFIG_PIXBLOCKDSP) += mips/pixblockdsp_init_mips.o
MSA-OBJS-$(CONFIG_HEVC_DECODER) += mips/hevcdsp_msa.o \
mips/hevc_mc_uni_msa.o \
mips/hevc_mc_uniw_msa.o \
@ -45,5 +46,6 @@ MSA-OBJS-$(CONFIG_H263DSP) += mips/h263dsp_msa.o
MSA-OBJS-$(CONFIG_QPELDSP) += mips/qpeldsp_msa.o
MSA-OBJS-$(CONFIG_HPELDSP) += mips/hpeldsp_msa.o
MSA-OBJS-$(CONFIG_BLOCKDSP) += mips/blockdsp_msa.o
MSA-OBJS-$(CONFIG_PIXBLOCKDSP) += mips/pixblockdsp_msa.o
LOONGSON3-OBJS-$(CONFIG_H264DSP) += mips/h264dsp_mmi.o
LOONGSON3-OBJS-$(CONFIG_H264CHROMA) += mips/h264chroma_mmi.o

53
libavcodec/mips/pixblockdsp_init_mips.c Normal file
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@ -0,0 +1,53 @@
/*
* Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
*
* 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 "pixblockdsp_mips.h"
#if HAVE_MSA
static av_cold void pixblockdsp_init_msa(PixblockDSPContext *c,
AVCodecContext *avctx,
unsigned high_bit_depth)
{
c->diff_pixels = ff_diff_pixels_msa;
switch (avctx->bits_per_raw_sample) {
case 9:
case 10:
case 12:
case 14:
c->get_pixels = ff_get_pixels_16_msa;
break;
default:
if (avctx->bits_per_raw_sample <= 8 || avctx->codec_type !=
AVMEDIA_TYPE_VIDEO) {
c->get_pixels = ff_get_pixels_8_msa;
}
break;
}
}
#endif // #if HAVE_MSA
void ff_pixblockdsp_init_mips(PixblockDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth)
{
#if HAVE_MSA
pixblockdsp_init_msa(c, avctx, high_bit_depth);
#endif // #if HAVE_MSA
}

33
libavcodec/mips/pixblockdsp_mips.h Normal file
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@ -0,0 +1,33 @@
/*
* Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
*
* 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_MIPS_PIXBLOCKDSP_MIPS_H
#define AVCODEC_MIPS_PIXBLOCKDSP_MIPS_H
#include "../mpegvideo.h"
void ff_diff_pixels_msa(int16_t *av_restrict block, const uint8_t *src1,
const uint8_t *src2, int stride);
void ff_get_pixels_16_msa(int16_t *restrict dst, const uint8_t *src,
ptrdiff_t stride);
void ff_get_pixels_8_msa(int16_t *restrict dst, const uint8_t *src,
ptrdiff_t stride);
#endif // #ifndef AVCODEC_MIPS_PIXBLOCKDSP_MIPS_H

143
libavcodec/mips/pixblockdsp_msa.c Normal file
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@ -0,0 +1,143 @@
/*
* Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
*
* 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/mips/generic_macros_msa.h"
#include "pixblockdsp_mips.h"
static void diff_pixels_msa(int16_t *block, const uint8_t *src1,
const uint8_t *src2, int32_t stride)
{
v16u8 in10, in11, in12, in13, in14, in15, in16, in17;
v16u8 in20, in21, in22, in23, in24, in25, in26, in27;
v8i16 out0, out1, out2, out3, out4, out5, out6, out7;
LD_UB8(src1, stride, in10, in11, in12, in13, in14, in15, in16, in17);
LD_UB8(src2, stride, in20, in21, in22, in23, in24, in25, in26, in27);
ILVR_B4_SH(in10, in20, in11, in21, in12, in22, in13, in23,
out0, out1, out2, out3);
ILVR_B4_SH(in14, in24, in15, in25, in16, in26, in17, in27,
out4, out5, out6, out7);
HSUB_UB4_SH(out0, out1, out2, out3, out0, out1, out2, out3);
HSUB_UB4_SH(out4, out5, out6, out7, out4, out5, out6, out7);
ST_SH8(out0, out1, out2, out3, out4, out5, out6, out7, block, 8);
}
static void copy_8bit_to_16bit_width8_msa(const uint8_t *src, int32_t src_stride,
int16_t *dst, int32_t dst_stride,
int32_t height)
{
uint8_t *dst_ptr;
int32_t cnt;
v16u8 src0, src1, src2, src3;
v16i8 zero = { 0 };
dst_ptr = (uint8_t *) dst;
for (cnt = (height >> 2); cnt--;) {
LD_UB4(src, src_stride, src0, src1, src2, src3);
src += (4 * src_stride);
ILVR_B4_UB(zero, src0, zero, src1, zero, src2, zero, src3,
src0, src1, src2, src3);
ST_UB4(src0, src1, src2, src3, dst_ptr, (dst_stride * 2));
dst_ptr += (4 * 2 * dst_stride);
}
}
static void copy_16multx8mult_msa(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride,
int32_t height, int32_t width)
{
int32_t cnt, loop_cnt;
const uint8_t *src_tmp;
uint8_t *dst_tmp;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
for (cnt = (width >> 4); cnt--;) {
src_tmp = src;
dst_tmp = dst;
for (loop_cnt = (height >> 3); loop_cnt--;) {
LD_UB8(src_tmp, src_stride,
src0, src1, src2, src3, src4, src5, src6, src7);
src_tmp += (8 * src_stride);
ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7,
dst_tmp, dst_stride);
dst_tmp += (8 * dst_stride);
}
src += 16;
dst += 16;
}
}
static void copy_width16_msa(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride,
int32_t height)
{
int32_t cnt;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
if (0 == height % 12) {
for (cnt = (height / 12); cnt--;) {
LD_UB8(src, src_stride,
src0, src1, src2, src3, src4, src5, src6, src7);
src += (8 * src_stride);
ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7,
dst, dst_stride);
dst += (8 * dst_stride);
LD_UB4(src, src_stride, src0, src1, src2, src3);
src += (4 * src_stride);
ST_UB4(src0, src1, src2, src3, dst, dst_stride);
dst += (4 * dst_stride);
}
} else if (0 == height % 8) {
copy_16multx8mult_msa(src, src_stride, dst, dst_stride, height, 16);
} else if (0 == height % 4) {
for (cnt = (height >> 2); cnt--;) {
LD_UB4(src, src_stride, src0, src1, src2, src3);
src += (4 * src_stride);
ST_UB4(src0, src1, src2, src3, dst, dst_stride);
dst += (4 * dst_stride);
}
}
}
void ff_get_pixels_16_msa(int16_t *av_restrict dest, const uint8_t *src,
ptrdiff_t stride)
{
copy_width16_msa(src, stride, (uint8_t *) dest, 16, 8);
}
void ff_get_pixels_8_msa(int16_t *av_restrict dest, const uint8_t *src,
ptrdiff_t stride)
{
copy_8bit_to_16bit_width8_msa(src, stride, dest, 8, 8);
}
void ff_diff_pixels_msa(int16_t *av_restrict block, const uint8_t *src1,
const uint8_t *src2, int stride)
{
diff_pixels_msa(block, src1, src2, stride);
}

2
libavcodec/pixblockdsp.c
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@ -79,4 +79,6 @@ av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx)
ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth);
if (ARCH_X86)
ff_pixblockdsp_init_x86(c, avctx, high_bit_depth);
if (ARCH_MIPS)
ff_pixblockdsp_init_mips(c, avctx, high_bit_depth);
}

2
libavcodec/pixblockdsp.h
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@ -42,5 +42,7 @@ void ff_pixblockdsp_init_ppc(PixblockDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth);
void ff_pixblockdsp_init_x86(PixblockDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth);
void ff_pixblockdsp_init_mips(PixblockDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth);
#endif /* AVCODEC_PIXBLOCKDSP_H */

8
libavutil/mips/generic_macros_msa.h
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@ -1206,6 +1206,14 @@
#define HSUB_UB2_UH(...) HSUB_UB2(v8u16, __VA_ARGS__)
#define HSUB_UB2_SH(...) HSUB_UB2(v8i16, __VA_ARGS__)
#define HSUB_UB4(RTYPE, in0, in1, in2, in3, out0, out1, out2, out3) \
{ \
HSUB_UB2(RTYPE, in0, in1, out0, out1); \
HSUB_UB2(RTYPE, in2, in3, out2, out3); \
}
#define HSUB_UB4_UH(...) HSUB_UB4(v8u16, __VA_ARGS__)
#define HSUB_UB4_SH(...) HSUB_UB4(v8i16, __VA_ARGS__)
/* Description : Insert specified word elements from input vectors to 1
destination vector
Arguments : Inputs - in0, in1, in2, in3 (4 input vectors)