1/* 2 * Copyright (c) 2000, 2001 Fabrice Bellard 3 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 23#include <stddef.h> 24 25#include "libavutil/avassert.h" 26#include "bit_depth_template.c" 27 28#define H264_CHROMA_MC(OPNAME, OP)\ 29static void FUNCC(OPNAME ## h264_chroma_mc1)(uint8_t *_dst /*align 8*/, uint8_t *_src /*align 1*/, ptrdiff_t stride, int h, int x, int y){\ 30 pixel *dst = (pixel*)_dst;\ 31 pixel *src = (pixel*)_src;\ 32 const int A=(8-x)*(8-y);\ 33 const int B=( x)*(8-y);\ 34 const int C=(8-x)*( y);\ 35 const int D=( x)*( y);\ 36 int i;\ 37 stride >>= sizeof(pixel)-1;\ 38 \ 39 av_assert2(x<8 && y<8 && x>=0 && y>=0);\ 40\ 41 if(D){\ 42 for(i=0; i<h; i++){\ 43 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\ 44 dst+= stride;\ 45 src+= stride;\ 46 }\ 47 } else if (B + C) {\ 48 const int E= B+C;\ 49 const int step= C ? stride : 1;\ 50 for(i=0; i<h; i++){\ 51 OP(dst[0], (A*src[0] + E*src[step+0]));\ 52 dst+= stride;\ 53 src+= stride;\ 54 }\ 55 } else {\ 56 for(i=0; i<h; i++){\ 57 OP(dst[0], (A*src[0]));\ 58 dst+= stride;\ 59 src+= stride;\ 60 }\ 61 }\ 62}\ 63static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst /*align 8*/, uint8_t *_src /*align 1*/, ptrdiff_t stride, int h, int x, int y)\ 64{\ 65 pixel *dst = (pixel*)_dst;\ 66 pixel *src = (pixel*)_src;\ 67 const int A=(8-x)*(8-y);\ 68 const int B=( x)*(8-y);\ 69 const int C=(8-x)*( y);\ 70 const int D=( x)*( y);\ 71 int i;\ 72 stride >>= sizeof(pixel)-1;\ 73 \ 74 av_assert2(x<8 && y<8 && x>=0 && y>=0);\ 75\ 76 if(D){\ 77 for(i=0; i<h; i++){\ 78 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\ 79 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\ 80 dst+= stride;\ 81 src+= stride;\ 82 }\ 83 } else if (B + C) {\ 84 const int E= B+C;\ 85 const ptrdiff_t step = C ? stride : 1;\ 86 for(i=0; i<h; i++){\ 87 OP(dst[0], (A*src[0] + E*src[step+0]));\ 88 OP(dst[1], (A*src[1] + E*src[step+1]));\ 89 dst+= stride;\ 90 src+= stride;\ 91 }\ 92 } else {\ 93 for ( i = 0; i < h; i++){\ 94 OP(dst[0], A * src[0]);\ 95 OP(dst[1], A * src[1]);\ 96 dst += stride;\ 97 src += stride;\ 98 }\ 99 }\ 100}\ 101\ 102static void FUNCC(OPNAME ## h264_chroma_mc4)(uint8_t *_dst /*align 8*/, uint8_t *_src /*align 1*/, ptrdiff_t stride, int h, int x, int y)\ 103{\ 104 pixel *dst = (pixel*)_dst;\ 105 pixel *src = (pixel*)_src;\ 106 const int A=(8-x)*(8-y);\ 107 const int B=( x)*(8-y);\ 108 const int C=(8-x)*( y);\ 109 const int D=( x)*( y);\ 110 int i;\ 111 stride >>= sizeof(pixel)-1;\ 112 \ 113 av_assert2(x<8 && y<8 && x>=0 && y>=0);\ 114\ 115 if(D){\ 116 for(i=0; i<h; i++){\ 117 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\ 118 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\ 119 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3]));\ 120 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4]));\ 121 dst+= stride;\ 122 src+= stride;\ 123 }\ 124 } else if (B + C) {\ 125 const int E= B+C;\ 126 const ptrdiff_t step = C ? stride : 1;\ 127 for(i=0; i<h; i++){\ 128 OP(dst[0], (A*src[0] + E*src[step+0]));\ 129 OP(dst[1], (A*src[1] + E*src[step+1]));\ 130 OP(dst[2], (A*src[2] + E*src[step+2]));\ 131 OP(dst[3], (A*src[3] + E*src[step+3]));\ 132 dst+= stride;\ 133 src+= stride;\ 134 }\ 135 } else {\ 136 for ( i = 0; i < h; i++){\ 137 OP(dst[0], A * src[0]);\ 138 OP(dst[1], A * src[1]);\ 139 OP(dst[2], A * src[2]);\ 140 OP(dst[3], A * src[3]);\ 141 dst += stride;\ 142 src += stride;\ 143 }\ 144 }\ 145}\ 146\ 147static void FUNCC(OPNAME ## h264_chroma_mc8)(uint8_t *_dst /*align 8*/, uint8_t *_src /*align 1*/, ptrdiff_t stride, int h, int x, int y)\ 148{\ 149 pixel *dst = (pixel*)_dst;\ 150 pixel *src = (pixel*)_src;\ 151 const int A=(8-x)*(8-y);\ 152 const int B=( x)*(8-y);\ 153 const int C=(8-x)*( y);\ 154 const int D=( x)*( y);\ 155 int i;\ 156 stride >>= sizeof(pixel)-1;\ 157 \ 158 av_assert2(x<8 && y<8 && x>=0 && y>=0);\ 159\ 160 if(D){\ 161 for(i=0; i<h; i++){\ 162 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\ 163 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\ 164 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3]));\ 165 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4]));\ 166 OP(dst[4], (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5]));\ 167 OP(dst[5], (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6]));\ 168 OP(dst[6], (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7]));\ 169 OP(dst[7], (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8]));\ 170 dst+= stride;\ 171 src+= stride;\ 172 }\ 173 } else if (B + C) {\ 174 const int E= B+C;\ 175 const ptrdiff_t step = C ? stride : 1;\ 176 for(i=0; i<h; i++){\ 177 OP(dst[0], (A*src[0] + E*src[step+0]));\ 178 OP(dst[1], (A*src[1] + E*src[step+1]));\ 179 OP(dst[2], (A*src[2] + E*src[step+2]));\ 180 OP(dst[3], (A*src[3] + E*src[step+3]));\ 181 OP(dst[4], (A*src[4] + E*src[step+4]));\ 182 OP(dst[5], (A*src[5] + E*src[step+5]));\ 183 OP(dst[6], (A*src[6] + E*src[step+6]));\ 184 OP(dst[7], (A*src[7] + E*src[step+7]));\ 185 dst+= stride;\ 186 src+= stride;\ 187 }\ 188 } else {\ 189 for ( i = 0; i < h; i++){\ 190 OP(dst[0], A * src[0]);\ 191 OP(dst[1], A * src[1]);\ 192 OP(dst[2], A * src[2]);\ 193 OP(dst[3], A * src[3]);\ 194 OP(dst[4], A * src[4]);\ 195 OP(dst[5], A * src[5]);\ 196 OP(dst[6], A * src[6]);\ 197 OP(dst[7], A * src[7]);\ 198 dst += stride;\ 199 src += stride;\ 200 }\ 201 }\ 202} 203 204#define op_avg(a, b) a = (((a)+(((b) + 32)>>6)+1)>>1) 205#define op_put(a, b) a = (((b) + 32)>>6) 206 207H264_CHROMA_MC(put_ , op_put) 208H264_CHROMA_MC(avg_ , op_avg) 209#undef op_avg 210#undef op_put 211