1/* 2 * RV30 decoder motion compensation functions 3 * Copyright (c) 2007 Konstantin Shishkov 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 * @file 24 * RV30 decoder motion compensation functions 25 */ 26 27#include "avcodec.h" 28#include "h264chroma.h" 29#include "h264qpel.h" 30#include "mathops.h" 31#include "rv34dsp.h" 32 33#define RV30_LOWPASS(OPNAME, OP) \ 34static av_unused void OPNAME ## rv30_tpel8_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\ 35 const int h = 8;\ 36 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\ 37 int i;\ 38 for(i = 0; i < h; i++)\ 39 {\ 40 OP(dst[0], (-(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + 8)>>4);\ 41 OP(dst[1], (-(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + 8)>>4);\ 42 OP(dst[2], (-(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + 8)>>4);\ 43 OP(dst[3], (-(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + 8)>>4);\ 44 OP(dst[4], (-(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + 8)>>4);\ 45 OP(dst[5], (-(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + 8)>>4);\ 46 OP(dst[6], (-(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + 8)>>4);\ 47 OP(dst[7], (-(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + 8)>>4);\ 48 dst += dstStride;\ 49 src += srcStride;\ 50 }\ 51}\ 52\ 53static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\ 54 const int w = 8;\ 55 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\ 56 int i;\ 57 for(i = 0; i < w; i++)\ 58 {\ 59 const int srcA = src[-1*srcStride];\ 60 const int src0 = src[0 *srcStride];\ 61 const int src1 = src[1 *srcStride];\ 62 const int src2 = src[2 *srcStride];\ 63 const int src3 = src[3 *srcStride];\ 64 const int src4 = src[4 *srcStride];\ 65 const int src5 = src[5 *srcStride];\ 66 const int src6 = src[6 *srcStride];\ 67 const int src7 = src[7 *srcStride];\ 68 const int src8 = src[8 *srcStride];\ 69 const int src9 = src[9 *srcStride];\ 70 OP(dst[0*dstStride], (-(srcA+src2) + src0*C1 + src1*C2 + 8)>>4);\ 71 OP(dst[1*dstStride], (-(src0+src3) + src1*C1 + src2*C2 + 8)>>4);\ 72 OP(dst[2*dstStride], (-(src1+src4) + src2*C1 + src3*C2 + 8)>>4);\ 73 OP(dst[3*dstStride], (-(src2+src5) + src3*C1 + src4*C2 + 8)>>4);\ 74 OP(dst[4*dstStride], (-(src3+src6) + src4*C1 + src5*C2 + 8)>>4);\ 75 OP(dst[5*dstStride], (-(src4+src7) + src5*C1 + src6*C2 + 8)>>4);\ 76 OP(dst[6*dstStride], (-(src5+src8) + src6*C1 + src7*C2 + 8)>>4);\ 77 OP(dst[7*dstStride], (-(src6+src9) + src7*C1 + src8*C2 + 8)>>4);\ 78 dst++;\ 79 src++;\ 80 }\ 81}\ 82\ 83static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\ 84 const int w = 8;\ 85 const int h = 8;\ 86 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\ 87 int i, j;\ 88 for(j = 0; j < h; j++){\ 89 for(i = 0; i < w; i++){\ 90 OP(dst[i], (\ 91 src[srcStride*-1+i-1] -12*src[srcStride*-1+i] -6*src[srcStride*-1+i+1] +src[srcStride*-1+i+2]+\ 92 -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i] +72*src[srcStride* 0+i+1] -12*src[srcStride* 0+i+2] +\ 93 -6*src[srcStride* 1+i-1] +72*src[srcStride* 1+i] +36*src[srcStride* 1+i+1] -6*src[srcStride* 1+i+2] +\ 94 src[srcStride* 2+i-1] -12*src[srcStride* 2+i] -6*src[srcStride* 2+i+1] +src[srcStride* 2+i+2] +\ 95 128)>>8);\ 96 }\ 97 src += srcStride;\ 98 dst += dstStride;\ 99 }\ 100}\ 101\ 102static void OPNAME ## rv30_tpel8_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\ 103 const int w = 8;\ 104 const int h = 8;\ 105 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\ 106 int i, j;\ 107 for(j = 0; j < h; j++){\ 108 for(i = 0; i < w; i++){\ 109 OP(dst[i], (\ 110 src[srcStride*-1+i-1] -12*src[srcStride*-1+i+1] -6*src[srcStride*-1+i] +src[srcStride*-1+i+2]+\ 111 -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i+1] +72*src[srcStride* 0+i] -12*src[srcStride* 0+i+2]+\ 112 -6*src[srcStride* 1+i-1] +72*src[srcStride* 1+i+1] +36*src[srcStride* 1+i] -6*src[srcStride* 1+i+2]+\ 113 src[srcStride* 2+i-1] -12*src[srcStride* 2+i+1] -6*src[srcStride* 2+i] +src[srcStride* 2+i+2]+\ 114 128)>>8);\ 115 }\ 116 src += srcStride;\ 117 dst += dstStride;\ 118 }\ 119}\ 120\ 121static void OPNAME ## rv30_tpel8_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\ 122 const int w = 8;\ 123 const int h = 8;\ 124 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\ 125 int i, j;\ 126 for(j = 0; j < h; j++){\ 127 for(i = 0; i < w; i++){\ 128 OP(dst[i], (\ 129 src[srcStride*-1+i-1] -12*src[srcStride*-1+i] -6*src[srcStride*-1+i+1] +src[srcStride*-1+i+2]+\ 130 -6*src[srcStride* 0+i-1] +72*src[srcStride* 0+i] +36*src[srcStride* 0+i+1] -6*src[srcStride* 0+i+2]+\ 131 -12*src[srcStride* 1+i-1] +144*src[srcStride* 1+i] +72*src[srcStride* 1+i+1] -12*src[srcStride* 1+i+2]+\ 132 src[srcStride* 2+i-1] -12*src[srcStride* 2+i] -6*src[srcStride* 2+i+1] +src[srcStride* 2+i+2]+\ 133 128)>>8);\ 134 }\ 135 src += srcStride;\ 136 dst += dstStride;\ 137 }\ 138}\ 139\ 140static void OPNAME ## rv30_tpel8_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\ 141 const int w = 8;\ 142 const int h = 8;\ 143 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\ 144 int i, j;\ 145 for(j = 0; j < h; j++){\ 146 for(i = 0; i < w; i++){\ 147 OP(dst[i], (\ 148 36*src[i+srcStride*0] +54*src[i+1+srcStride*0] +6*src[i+2+srcStride*0]+\ 149 54*src[i+srcStride*1] +81*src[i+1+srcStride*1] +9*src[i+2+srcStride*1]+\ 150 6*src[i+srcStride*2] + 9*src[i+1+srcStride*2] + src[i+2+srcStride*2]+\ 151 128)>>8);\ 152 }\ 153 src += srcStride;\ 154 dst += dstStride;\ 155 }\ 156}\ 157\ 158static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\ 159 OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\ 160 OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\ 161 src += 8*srcStride;\ 162 dst += 8*dstStride;\ 163 OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\ 164 OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\ 165}\ 166\ 167static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\ 168 OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\ 169 OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\ 170 src += 8*srcStride;\ 171 dst += 8*dstStride;\ 172 OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\ 173 OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\ 174}\ 175\ 176static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\ 177 OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\ 178 OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\ 179 src += 8*srcStride;\ 180 dst += 8*dstStride;\ 181 OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\ 182 OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\ 183}\ 184\ 185static void OPNAME ## rv30_tpel16_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\ 186 OPNAME ## rv30_tpel8_hhv_lowpass(dst , src , dstStride, srcStride);\ 187 OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\ 188 src += 8*srcStride;\ 189 dst += 8*dstStride;\ 190 OPNAME ## rv30_tpel8_hhv_lowpass(dst , src , dstStride, srcStride);\ 191 OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\ 192}\ 193\ 194static void OPNAME ## rv30_tpel16_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\ 195 OPNAME ## rv30_tpel8_hvv_lowpass(dst , src , dstStride, srcStride);\ 196 OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\ 197 src += 8*srcStride;\ 198 dst += 8*dstStride;\ 199 OPNAME ## rv30_tpel8_hvv_lowpass(dst , src , dstStride, srcStride);\ 200 OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\ 201}\ 202\ 203static void OPNAME ## rv30_tpel16_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\ 204 OPNAME ## rv30_tpel8_hhvv_lowpass(dst , src , dstStride, srcStride);\ 205 OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\ 206 src += 8*srcStride;\ 207 dst += 8*dstStride;\ 208 OPNAME ## rv30_tpel8_hhvv_lowpass(dst , src , dstStride, srcStride);\ 209 OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\ 210}\ 211\ 212 213#define RV30_MC(OPNAME, SIZE) \ 214static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 215{\ 216 OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\ 217}\ 218\ 219static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 220{\ 221 OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\ 222}\ 223\ 224static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 225{\ 226 OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\ 227}\ 228\ 229static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 230{\ 231 OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\ 232}\ 233\ 234static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 235{\ 236 OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\ 237}\ 238\ 239static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 240{\ 241 OPNAME ## rv30_tpel ## SIZE ## _hvv_lowpass(dst, src, stride, stride);\ 242}\ 243\ 244static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 245{\ 246 OPNAME ## rv30_tpel ## SIZE ## _hhv_lowpass(dst, src, stride, stride);\ 247}\ 248\ 249static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 250{\ 251 OPNAME ## rv30_tpel ## SIZE ## _hhvv_lowpass(dst, src, stride, stride);\ 252}\ 253\ 254 255#define op_avg(a, b) a = (((a)+cm[b]+1)>>1) 256#define op_put(a, b) a = cm[b] 257 258RV30_LOWPASS(put_ , op_put) 259RV30_LOWPASS(avg_ , op_avg) 260RV30_MC(put_, 8) 261RV30_MC(put_, 16) 262RV30_MC(avg_, 8) 263RV30_MC(avg_, 16) 264 265av_cold void ff_rv30dsp_init(RV34DSPContext *c) 266{ 267 H264ChromaContext h264chroma; 268 H264QpelContext qpel; 269 270 ff_rv34dsp_init(c); 271 ff_h264chroma_init(&h264chroma, 8); 272 ff_h264qpel_init(&qpel, 8); 273 274 c->put_pixels_tab[0][ 0] = qpel.put_h264_qpel_pixels_tab[0][0]; 275 c->put_pixels_tab[0][ 1] = put_rv30_tpel16_mc10_c; 276 c->put_pixels_tab[0][ 2] = put_rv30_tpel16_mc20_c; 277 c->put_pixels_tab[0][ 4] = put_rv30_tpel16_mc01_c; 278 c->put_pixels_tab[0][ 5] = put_rv30_tpel16_mc11_c; 279 c->put_pixels_tab[0][ 6] = put_rv30_tpel16_mc21_c; 280 c->put_pixels_tab[0][ 8] = put_rv30_tpel16_mc02_c; 281 c->put_pixels_tab[0][ 9] = put_rv30_tpel16_mc12_c; 282 c->put_pixels_tab[0][10] = put_rv30_tpel16_mc22_c; 283 c->avg_pixels_tab[0][ 0] = qpel.avg_h264_qpel_pixels_tab[0][0]; 284 c->avg_pixels_tab[0][ 1] = avg_rv30_tpel16_mc10_c; 285 c->avg_pixels_tab[0][ 2] = avg_rv30_tpel16_mc20_c; 286 c->avg_pixels_tab[0][ 4] = avg_rv30_tpel16_mc01_c; 287 c->avg_pixels_tab[0][ 5] = avg_rv30_tpel16_mc11_c; 288 c->avg_pixels_tab[0][ 6] = avg_rv30_tpel16_mc21_c; 289 c->avg_pixels_tab[0][ 8] = avg_rv30_tpel16_mc02_c; 290 c->avg_pixels_tab[0][ 9] = avg_rv30_tpel16_mc12_c; 291 c->avg_pixels_tab[0][10] = avg_rv30_tpel16_mc22_c; 292 c->put_pixels_tab[1][ 0] = qpel.put_h264_qpel_pixels_tab[1][0]; 293 c->put_pixels_tab[1][ 1] = put_rv30_tpel8_mc10_c; 294 c->put_pixels_tab[1][ 2] = put_rv30_tpel8_mc20_c; 295 c->put_pixels_tab[1][ 4] = put_rv30_tpel8_mc01_c; 296 c->put_pixels_tab[1][ 5] = put_rv30_tpel8_mc11_c; 297 c->put_pixels_tab[1][ 6] = put_rv30_tpel8_mc21_c; 298 c->put_pixels_tab[1][ 8] = put_rv30_tpel8_mc02_c; 299 c->put_pixels_tab[1][ 9] = put_rv30_tpel8_mc12_c; 300 c->put_pixels_tab[1][10] = put_rv30_tpel8_mc22_c; 301 c->avg_pixels_tab[1][ 0] = qpel.avg_h264_qpel_pixels_tab[1][0]; 302 c->avg_pixels_tab[1][ 1] = avg_rv30_tpel8_mc10_c; 303 c->avg_pixels_tab[1][ 2] = avg_rv30_tpel8_mc20_c; 304 c->avg_pixels_tab[1][ 4] = avg_rv30_tpel8_mc01_c; 305 c->avg_pixels_tab[1][ 5] = avg_rv30_tpel8_mc11_c; 306 c->avg_pixels_tab[1][ 6] = avg_rv30_tpel8_mc21_c; 307 c->avg_pixels_tab[1][ 8] = avg_rv30_tpel8_mc02_c; 308 c->avg_pixels_tab[1][ 9] = avg_rv30_tpel8_mc12_c; 309 c->avg_pixels_tab[1][10] = avg_rv30_tpel8_mc22_c; 310 311 c->put_chroma_pixels_tab[0] = h264chroma.put_h264_chroma_pixels_tab[0]; 312 c->put_chroma_pixels_tab[1] = h264chroma.put_h264_chroma_pixels_tab[1]; 313 c->avg_chroma_pixels_tab[0] = h264chroma.avg_h264_chroma_pixels_tab[0]; 314 c->avg_chroma_pixels_tab[1] = h264chroma.avg_h264_chroma_pixels_tab[1]; 315} 316