diff options
Diffstat (limited to 'libavcodec/sh4/h264chroma_init.c')
| -rw-r--r-- | libavcodec/sh4/h264chroma_init.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/libavcodec/sh4/h264chroma_init.c b/libavcodec/sh4/h264chroma_init.c new file mode 100644 index 0000000000..5681a245ae --- /dev/null +++ b/libavcodec/sh4/h264chroma_init.c @@ -0,0 +1,132 @@ +/* + * aligned/packed access motion + * + * Copyright (c) 2001-2003 BERO <bero@geocities.co.jp> + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <assert.h> +#include <stdint.h> + +#include "libavutil/attributes.h" +#include "libavcodec/h264chroma.h" + +#define H264_CHROMA_MC(OPNAME, OP)\ +static void OPNAME ## h264_chroma_mc2_sh4(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\ + const int A=(8-x)*(8-y);\ + const int B=( x)*(8-y);\ + const int C=(8-x)*( y);\ + const int D=( x)*( y);\ + \ + assert(x<8 && y<8 && x>=0 && y>=0);\ +\ + do {\ + int t0,t1,t2,t3; \ + uint8_t *s0 = src; \ + uint8_t *s1 = src+stride; \ + t0 = *s0++; t2 = *s1++; \ + t1 = *s0++; t3 = *s1++; \ + OP(dst[0], (A*t0 + B*t1 + C*t2 + D*t3));\ + t0 = *s0++; t2 = *s1++; \ + OP(dst[1], (A*t1 + B*t0 + C*t3 + D*t2));\ + dst+= stride;\ + src+= stride;\ + }while(--h);\ +}\ +\ +static void OPNAME ## h264_chroma_mc4_sh4(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\ + const int A=(8-x)*(8-y);\ + const int B=( x)*(8-y);\ + const int C=(8-x)*( y);\ + const int D=( x)*( y);\ + \ + assert(x<8 && y<8 && x>=0 && y>=0);\ +\ + do {\ + int t0,t1,t2,t3; \ + uint8_t *s0 = src; \ + uint8_t *s1 = src+stride; \ + t0 = *s0++; t2 = *s1++; \ + t1 = *s0++; t3 = *s1++; \ + OP(dst[0], (A*t0 + B*t1 + C*t2 + D*t3));\ + t0 = *s0++; t2 = *s1++; \ + OP(dst[1], (A*t1 + B*t0 + C*t3 + D*t2));\ + t1 = *s0++; t3 = *s1++; \ + OP(dst[2], (A*t0 + B*t1 + C*t2 + D*t3));\ + t0 = *s0++; t2 = *s1++; \ + OP(dst[3], (A*t1 + B*t0 + C*t3 + D*t2));\ + dst+= stride;\ + src+= stride;\ + }while(--h);\ +}\ +\ +static void OPNAME ## h264_chroma_mc8_sh4(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\ + const int A=(8-x)*(8-y);\ + const int B=( x)*(8-y);\ + const int C=(8-x)*( y);\ + const int D=( x)*( y);\ + \ + assert(x<8 && y<8 && x>=0 && y>=0);\ +\ + do {\ + int t0,t1,t2,t3; \ + uint8_t *s0 = src; \ + uint8_t *s1 = src+stride; \ + t0 = *s0++; t2 = *s1++; \ + t1 = *s0++; t3 = *s1++; \ + OP(dst[0], (A*t0 + B*t1 + C*t2 + D*t3));\ + t0 = *s0++; t2 = *s1++; \ + OP(dst[1], (A*t1 + B*t0 + C*t3 + D*t2));\ + t1 = *s0++; t3 = *s1++; \ + OP(dst[2], (A*t0 + B*t1 + C*t2 + D*t3));\ + t0 = *s0++; t2 = *s1++; \ + OP(dst[3], (A*t1 + B*t0 + C*t3 + D*t2));\ + t1 = *s0++; t3 = *s1++; \ + OP(dst[4], (A*t0 + B*t1 + C*t2 + D*t3));\ + t0 = *s0++; t2 = *s1++; \ + OP(dst[5], (A*t1 + B*t0 + C*t3 + D*t2));\ + t1 = *s0++; t3 = *s1++; \ + OP(dst[6], (A*t0 + B*t1 + C*t2 + D*t3));\ + t0 = *s0++; t2 = *s1++; \ + OP(dst[7], (A*t1 + B*t0 + C*t3 + D*t2));\ + dst+= stride;\ + src+= stride;\ + }while(--h);\ +} + +#define op_avg(a, b) a = (((a)+(((b) + 32)>>6)+1)>>1) +#define op_put(a, b) a = (((b) + 32)>>6) + +H264_CHROMA_MC(put_ , op_put) +H264_CHROMA_MC(avg_ , op_avg) +#undef op_avg +#undef op_put + +av_cold void ff_h264chroma_init_sh4(H264ChromaContext *c, int bit_depth) +{ + const int high_bit_depth = bit_depth > 8; + + if (!high_bit_depth) { + c->put_h264_chroma_pixels_tab[0]= put_h264_chroma_mc8_sh4; + c->put_h264_chroma_pixels_tab[1]= put_h264_chroma_mc4_sh4; + c->put_h264_chroma_pixels_tab[2]= put_h264_chroma_mc2_sh4; + c->avg_h264_chroma_pixels_tab[0]= avg_h264_chroma_mc8_sh4; + c->avg_h264_chroma_pixels_tab[1]= avg_h264_chroma_mc4_sh4; + c->avg_h264_chroma_pixels_tab[2]= avg_h264_chroma_mc2_sh4; + } +} |