| 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) \ |
| 34 | static void OPNAME ## rv30_tpel8_h_lowpass(uint8_t *dst, const 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 | \ |
| 53 | static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, const 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 | \ |
| 83 | static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, const 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 | \ |
| 102 | static void OPNAME ## rv30_tpel8_hhv_lowpass(uint8_t *dst, const 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 | \ |
| 121 | static void OPNAME ## rv30_tpel8_hvv_lowpass(uint8_t *dst, const 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 | \ |
| 140 | static void OPNAME ## rv30_tpel8_hhvv_lowpass(uint8_t *dst, const 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 | \ |
| 158 | static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, const 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 | \ |
| 167 | static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, const 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 | \ |
| 176 | static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, const 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 | \ |
| 185 | static void OPNAME ## rv30_tpel16_hhv_lowpass(uint8_t *dst, const 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 | \ |
| 194 | static void OPNAME ## rv30_tpel16_hvv_lowpass(uint8_t *dst, const 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 | \ |
| 203 | static void OPNAME ## rv30_tpel16_hhvv_lowpass(uint8_t *dst, const 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) \ |
| 214 | static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| 215 | {\ |
| 216 | OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\ |
| 217 | }\ |
| 218 | \ |
| 219 | static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| 220 | {\ |
| 221 | OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\ |
| 222 | }\ |
| 223 | \ |
| 224 | static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| 225 | {\ |
| 226 | OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\ |
| 227 | }\ |
| 228 | \ |
| 229 | static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| 230 | {\ |
| 231 | OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\ |
| 232 | }\ |
| 233 | \ |
| 234 | static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| 235 | {\ |
| 236 | OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\ |
| 237 | }\ |
| 238 | \ |
| 239 | static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| 240 | {\ |
| 241 | OPNAME ## rv30_tpel ## SIZE ## _hvv_lowpass(dst, src, stride, stride);\ |
| 242 | }\ |
| 243 | \ |
| 244 | static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| 245 | {\ |
| 246 | OPNAME ## rv30_tpel ## SIZE ## _hhv_lowpass(dst, src, stride, stride);\ |
| 247 | }\ |
| 248 | \ |
| 249 | static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, const 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 | |
| 258 | RV30_LOWPASS(put_ , op_put) |
| 259 | RV30_LOWPASS(avg_ , op_avg) |
| 260 | RV30_MC(put_, 8) |
| 261 | RV30_MC(put_, 16) |
| 262 | RV30_MC(avg_, 8) |
| 263 | RV30_MC(avg_, 16) |
| 264 | |
| 265 | av_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 | } |