1/* 2 * RV40 decoder motion compensation functions 3 * Copyright (c) 2008 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 * RV40 decoder motion compensation functions 25 */ 26 27#include "libavutil/common.h" 28#include "libavutil/intreadwrite.h" 29#include "avcodec.h" 30#include "h264qpel.h" 31#include "mathops.h" 32#include "pixels.h" 33#include "rnd_avg.h" 34#include "rv34dsp.h" 35#include "libavutil/avassert.h" 36 37#define RV40_LOWPASS(OPNAME, OP) \ 38static av_unused void OPNAME ## rv40_qpel8_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride,\ 39 const int h, const int C1, const int C2, const int SHIFT){\ 40 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\ 41 int i;\ 42 for(i = 0; i < h; i++)\ 43 {\ 44 OP(dst[0], (src[-2] + src[ 3] - 5*(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 45 OP(dst[1], (src[-1] + src[ 4] - 5*(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 46 OP(dst[2], (src[ 0] + src[ 5] - 5*(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 47 OP(dst[3], (src[ 1] + src[ 6] - 5*(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 48 OP(dst[4], (src[ 2] + src[ 7] - 5*(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 49 OP(dst[5], (src[ 3] + src[ 8] - 5*(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 50 OP(dst[6], (src[ 4] + src[ 9] - 5*(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 51 OP(dst[7], (src[ 5] + src[10] - 5*(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 52 dst += dstStride;\ 53 src += srcStride;\ 54 }\ 55}\ 56\ 57static void OPNAME ## rv40_qpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride,\ 58 const int w, const int C1, const int C2, const int SHIFT){\ 59 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\ 60 int i;\ 61 for(i = 0; i < w; i++)\ 62 {\ 63 const int srcB = src[-2*srcStride];\ 64 const int srcA = src[-1*srcStride];\ 65 const int src0 = src[0 *srcStride];\ 66 const int src1 = src[1 *srcStride];\ 67 const int src2 = src[2 *srcStride];\ 68 const int src3 = src[3 *srcStride];\ 69 const int src4 = src[4 *srcStride];\ 70 const int src5 = src[5 *srcStride];\ 71 const int src6 = src[6 *srcStride];\ 72 const int src7 = src[7 *srcStride];\ 73 const int src8 = src[8 *srcStride];\ 74 const int src9 = src[9 *srcStride];\ 75 const int src10 = src[10*srcStride];\ 76 OP(dst[0*dstStride], (srcB + src3 - 5*(srcA+src2) + src0*C1 + src1*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 77 OP(dst[1*dstStride], (srcA + src4 - 5*(src0+src3) + src1*C1 + src2*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 78 OP(dst[2*dstStride], (src0 + src5 - 5*(src1+src4) + src2*C1 + src3*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 79 OP(dst[3*dstStride], (src1 + src6 - 5*(src2+src5) + src3*C1 + src4*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 80 OP(dst[4*dstStride], (src2 + src7 - 5*(src3+src6) + src4*C1 + src5*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 81 OP(dst[5*dstStride], (src3 + src8 - 5*(src4+src7) + src5*C1 + src6*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 82 OP(dst[6*dstStride], (src4 + src9 - 5*(src5+src8) + src6*C1 + src7*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 83 OP(dst[7*dstStride], (src5 + src10 - 5*(src6+src9) + src7*C1 + src8*C2 + (1<<(SHIFT-1))) >> SHIFT);\ 84 dst++;\ 85 src++;\ 86 }\ 87}\ 88\ 89static void OPNAME ## rv40_qpel16_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride,\ 90 const int w, const int C1, const int C2, const int SHIFT){\ 91 OPNAME ## rv40_qpel8_v_lowpass(dst , src , dstStride, srcStride, 8, C1, C2, SHIFT);\ 92 OPNAME ## rv40_qpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, 8, C1, C2, SHIFT);\ 93 src += 8*srcStride;\ 94 dst += 8*dstStride;\ 95 OPNAME ## rv40_qpel8_v_lowpass(dst , src , dstStride, srcStride, w-8, C1, C2, SHIFT);\ 96 OPNAME ## rv40_qpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, w-8, C1, C2, SHIFT);\ 97}\ 98\ 99static void OPNAME ## rv40_qpel16_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride,\ 100 const int h, const int C1, const int C2, const int SHIFT){\ 101 OPNAME ## rv40_qpel8_h_lowpass(dst , src , dstStride, srcStride, 8, C1, C2, SHIFT);\ 102 OPNAME ## rv40_qpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, 8, C1, C2, SHIFT);\ 103 src += 8*srcStride;\ 104 dst += 8*dstStride;\ 105 OPNAME ## rv40_qpel8_h_lowpass(dst , src , dstStride, srcStride, h-8, C1, C2, SHIFT);\ 106 OPNAME ## rv40_qpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, h-8, C1, C2, SHIFT);\ 107}\ 108\ 109 110#define RV40_MC(OPNAME, SIZE) \ 111static void OPNAME ## rv40_qpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 112{\ 113 OPNAME ## rv40_qpel ## SIZE ## _h_lowpass(dst, src, stride, stride, SIZE, 52, 20, 6);\ 114}\ 115\ 116static void OPNAME ## rv40_qpel ## SIZE ## _mc30_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 117{\ 118 OPNAME ## rv40_qpel ## SIZE ## _h_lowpass(dst, src, stride, stride, SIZE, 20, 52, 6);\ 119}\ 120\ 121static void OPNAME ## rv40_qpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 122{\ 123 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, src, stride, stride, SIZE, 52, 20, 6);\ 124}\ 125\ 126static void OPNAME ## rv40_qpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 127{\ 128 uint8_t full[SIZE*(SIZE+5)];\ 129 uint8_t * const full_mid = full + SIZE*2;\ 130 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\ 131 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\ 132}\ 133\ 134static void OPNAME ## rv40_qpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 135{\ 136 uint8_t full[SIZE*(SIZE+5)];\ 137 uint8_t * const full_mid = full + SIZE*2;\ 138 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\ 139 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\ 140}\ 141\ 142static void OPNAME ## rv40_qpel ## SIZE ## _mc31_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 143{\ 144 uint8_t full[SIZE*(SIZE+5)];\ 145 uint8_t * const full_mid = full + SIZE*2;\ 146 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 52, 6);\ 147 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\ 148}\ 149\ 150static void OPNAME ## rv40_qpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 151{\ 152 uint8_t full[SIZE*(SIZE+5)];\ 153 uint8_t * const full_mid = full + SIZE*2;\ 154 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\ 155 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\ 156}\ 157\ 158static void OPNAME ## rv40_qpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 159{\ 160 uint8_t full[SIZE*(SIZE+5)];\ 161 uint8_t * const full_mid = full + SIZE*2;\ 162 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\ 163 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\ 164}\ 165\ 166static void OPNAME ## rv40_qpel ## SIZE ## _mc32_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 167{\ 168 uint8_t full[SIZE*(SIZE+5)];\ 169 uint8_t * const full_mid = full + SIZE*2;\ 170 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 52, 6);\ 171 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\ 172}\ 173\ 174static void OPNAME ## rv40_qpel ## SIZE ## _mc03_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 175{\ 176 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, src, stride, stride, SIZE, 20, 52, 6);\ 177}\ 178\ 179static void OPNAME ## rv40_qpel ## SIZE ## _mc13_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 180{\ 181 uint8_t full[SIZE*(SIZE+5)];\ 182 uint8_t * const full_mid = full + SIZE*2;\ 183 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\ 184 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 52, 6);\ 185}\ 186\ 187static void OPNAME ## rv40_qpel ## SIZE ## _mc23_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\ 188{\ 189 uint8_t full[SIZE*(SIZE+5)];\ 190 uint8_t * const full_mid = full + SIZE*2;\ 191 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\ 192 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 52, 6);\ 193}\ 194\ 195 196#define op_avg(a, b) a = (((a)+cm[b]+1)>>1) 197#define op_put(a, b) a = cm[b] 198 199RV40_LOWPASS(put_ , op_put) 200RV40_LOWPASS(avg_ , op_avg) 201 202#undef op_avg 203#undef op_put 204 205RV40_MC(put_, 8) 206RV40_MC(put_, 16) 207RV40_MC(avg_, 8) 208RV40_MC(avg_, 16) 209 210#define PIXOP2(OPNAME, OP) \ 211static inline void OPNAME ## _pixels8_xy2_8_c(uint8_t *block, \ 212 const uint8_t *pixels, \ 213 ptrdiff_t line_size, \ 214 int h) \ 215{ \ 216 /* FIXME HIGH BIT DEPTH */ \ 217 int j; \ 218 \ 219 for (j = 0; j < 2; j++) { \ 220 int i; \ 221 const uint32_t a = AV_RN32(pixels); \ 222 const uint32_t b = AV_RN32(pixels + 1); \ 223 uint32_t l0 = (a & 0x03030303UL) + \ 224 (b & 0x03030303UL) + \ 225 0x02020202UL; \ 226 uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + \ 227 ((b & 0xFCFCFCFCUL) >> 2); \ 228 uint32_t l1, h1; \ 229 \ 230 pixels += line_size; \ 231 for (i = 0; i < h; i += 2) { \ 232 uint32_t a = AV_RN32(pixels); \ 233 uint32_t b = AV_RN32(pixels + 1); \ 234 l1 = (a & 0x03030303UL) + \ 235 (b & 0x03030303UL); \ 236 h1 = ((a & 0xFCFCFCFCUL) >> 2) + \ 237 ((b & 0xFCFCFCFCUL) >> 2); \ 238 OP(*((uint32_t *) block), \ 239 h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \ 240 pixels += line_size; \ 241 block += line_size; \ 242 a = AV_RN32(pixels); \ 243 b = AV_RN32(pixels + 1); \ 244 l0 = (a & 0x03030303UL) + \ 245 (b & 0x03030303UL) + \ 246 0x02020202UL; \ 247 h0 = ((a & 0xFCFCFCFCUL) >> 2) + \ 248 ((b & 0xFCFCFCFCUL) >> 2); \ 249 OP(*((uint32_t *) block), \ 250 h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \ 251 pixels += line_size; \ 252 block += line_size; \ 253 } \ 254 pixels += 4 - line_size * (h + 1); \ 255 block += 4 - line_size * h; \ 256 } \ 257} \ 258 \ 259CALL_2X_PIXELS(OPNAME ## _pixels16_xy2_8_c, \ 260 OPNAME ## _pixels8_xy2_8_c, \ 261 8) \ 262 263#define op_avg(a, b) a = rnd_avg32(a, b) 264#define op_put(a, b) a = b 265PIXOP2(avg, op_avg) 266PIXOP2(put, op_put) 267#undef op_avg 268#undef op_put 269 270static void put_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride) 271{ 272 put_pixels16_xy2_8_c(dst, src, stride, 16); 273} 274static void avg_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride) 275{ 276 avg_pixels16_xy2_8_c(dst, src, stride, 16); 277} 278static void put_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride) 279{ 280 put_pixels8_xy2_8_c(dst, src, stride, 8); 281} 282static void avg_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride) 283{ 284 avg_pixels8_xy2_8_c(dst, src, stride, 8); 285} 286 287static const int rv40_bias[4][4] = { 288 { 0, 16, 32, 16 }, 289 { 32, 28, 32, 28 }, 290 { 0, 32, 16, 32 }, 291 { 32, 28, 32, 28 } 292}; 293 294#define RV40_CHROMA_MC(OPNAME, OP)\ 295static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\ 296 const int A = (8-x) * (8-y);\ 297 const int B = ( x) * (8-y);\ 298 const int C = (8-x) * ( y);\ 299 const int D = ( x) * ( y);\ 300 int i;\ 301 int bias = rv40_bias[y>>1][x>>1];\ 302 \ 303 av_assert2(x<8 && y<8 && x>=0 && y>=0);\ 304\ 305 if(D){\ 306 for(i = 0; i < h; i++){\ 307 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + bias));\ 308 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + bias));\ 309 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + bias));\ 310 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + bias));\ 311 dst += stride;\ 312 src += stride;\ 313 }\ 314 }else{\ 315 const int E = B + C;\ 316 const int step = C ? stride : 1;\ 317 for(i = 0; i < h; i++){\ 318 OP(dst[0], (A*src[0] + E*src[step+0] + bias));\ 319 OP(dst[1], (A*src[1] + E*src[step+1] + bias));\ 320 OP(dst[2], (A*src[2] + E*src[step+2] + bias));\ 321 OP(dst[3], (A*src[3] + E*src[step+3] + bias));\ 322 dst += stride;\ 323 src += stride;\ 324 }\ 325 }\ 326}\ 327\ 328static void OPNAME ## rv40_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\ 329 const int A = (8-x) * (8-y);\ 330 const int B = ( x) * (8-y);\ 331 const int C = (8-x) * ( y);\ 332 const int D = ( x) * ( y);\ 333 int i;\ 334 int bias = rv40_bias[y>>1][x>>1];\ 335 \ 336 av_assert2(x<8 && y<8 && x>=0 && y>=0);\ 337\ 338 if(D){\ 339 for(i = 0; i < h; i++){\ 340 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + bias));\ 341 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + bias));\ 342 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + bias));\ 343 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + bias));\ 344 OP(dst[4], (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + bias));\ 345 OP(dst[5], (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + bias));\ 346 OP(dst[6], (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + bias));\ 347 OP(dst[7], (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + bias));\ 348 dst += stride;\ 349 src += stride;\ 350 }\ 351 }else{\ 352 const int E = B + C;\ 353 const int step = C ? stride : 1;\ 354 for(i = 0; i < h; i++){\ 355 OP(dst[0], (A*src[0] + E*src[step+0] + bias));\ 356 OP(dst[1], (A*src[1] + E*src[step+1] + bias));\ 357 OP(dst[2], (A*src[2] + E*src[step+2] + bias));\ 358 OP(dst[3], (A*src[3] + E*src[step+3] + bias));\ 359 OP(dst[4], (A*src[4] + E*src[step+4] + bias));\ 360 OP(dst[5], (A*src[5] + E*src[step+5] + bias));\ 361 OP(dst[6], (A*src[6] + E*src[step+6] + bias));\ 362 OP(dst[7], (A*src[7] + E*src[step+7] + bias));\ 363 dst += stride;\ 364 src += stride;\ 365 }\ 366 }\ 367} 368 369#define op_avg(a, b) a = (((a)+((b)>>6)+1)>>1) 370#define op_put(a, b) a = ((b)>>6) 371 372RV40_CHROMA_MC(put_, op_put) 373RV40_CHROMA_MC(avg_, op_avg) 374 375#define RV40_WEIGHT_FUNC(size) \ 376static void rv40_weight_func_rnd_ ## size (uint8_t *dst, uint8_t *src1, uint8_t *src2, int w1, int w2, ptrdiff_t stride)\ 377{\ 378 int i, j;\ 379\ 380 for (j = 0; j < size; j++) {\ 381 for (i = 0; i < size; i++)\ 382 dst[i] = (((w2 * src1[i]) >> 9) + ((w1 * src2[i]) >> 9) + 0x10) >> 5;\ 383 src1 += stride;\ 384 src2 += stride;\ 385 dst += stride;\ 386 }\ 387}\ 388static void rv40_weight_func_nornd_ ## size (uint8_t *dst, uint8_t *src1, uint8_t *src2, int w1, int w2, ptrdiff_t stride)\ 389{\ 390 int i, j;\ 391\ 392 for (j = 0; j < size; j++) {\ 393 for (i = 0; i < size; i++)\ 394 dst[i] = (w2 * src1[i] + w1 * src2[i] + 0x10) >> 5;\ 395 src1 += stride;\ 396 src2 += stride;\ 397 dst += stride;\ 398 }\ 399} 400 401RV40_WEIGHT_FUNC(16) 402RV40_WEIGHT_FUNC(8) 403 404/** 405 * dither values for deblocking filter - left/top values 406 */ 407static const uint8_t rv40_dither_l[16] = { 408 0x40, 0x50, 0x20, 0x60, 0x30, 0x50, 0x40, 0x30, 409 0x50, 0x40, 0x50, 0x30, 0x60, 0x20, 0x50, 0x40 410}; 411 412/** 413 * dither values for deblocking filter - right/bottom values 414 */ 415static const uint8_t rv40_dither_r[16] = { 416 0x40, 0x30, 0x60, 0x20, 0x50, 0x30, 0x30, 0x40, 417 0x40, 0x40, 0x50, 0x30, 0x20, 0x60, 0x30, 0x40 418}; 419 420#define CLIP_SYMM(a, b) av_clip(a, -(b), b) 421/** 422 * weaker deblocking very similar to the one described in 4.4.2 of JVT-A003r1 423 */ 424static av_always_inline void rv40_weak_loop_filter(uint8_t *src, 425 const int step, 426 const ptrdiff_t stride, 427 const int filter_p1, 428 const int filter_q1, 429 const int alpha, 430 const int beta, 431 const int lim_p0q0, 432 const int lim_q1, 433 const int lim_p1) 434{ 435 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; 436 int i, t, u, diff; 437 438 for (i = 0; i < 4; i++, src += stride) { 439 int diff_p1p0 = src[-2*step] - src[-1*step]; 440 int diff_q1q0 = src[ 1*step] - src[ 0*step]; 441 int diff_p1p2 = src[-2*step] - src[-3*step]; 442 int diff_q1q2 = src[ 1*step] - src[ 2*step]; 443 444 t = src[0*step] - src[-1*step]; 445 if (!t) 446 continue; 447 448 u = (alpha * FFABS(t)) >> 7; 449 if (u > 3 - (filter_p1 && filter_q1)) 450 continue; 451 452 t <<= 2; 453 if (filter_p1 && filter_q1) 454 t += src[-2*step] - src[1*step]; 455 456 diff = CLIP_SYMM((t + 4) >> 3, lim_p0q0); 457 src[-1*step] = cm[src[-1*step] + diff]; 458 src[ 0*step] = cm[src[ 0*step] - diff]; 459 460 if (filter_p1 && FFABS(diff_p1p2) <= beta) { 461 t = (diff_p1p0 + diff_p1p2 - diff) >> 1; 462 src[-2*step] = cm[src[-2*step] - CLIP_SYMM(t, lim_p1)]; 463 } 464 465 if (filter_q1 && FFABS(diff_q1q2) <= beta) { 466 t = (diff_q1q0 + diff_q1q2 + diff) >> 1; 467 src[ 1*step] = cm[src[ 1*step] - CLIP_SYMM(t, lim_q1)]; 468 } 469 } 470} 471 472static void rv40_h_weak_loop_filter(uint8_t *src, const ptrdiff_t stride, 473 const int filter_p1, const int filter_q1, 474 const int alpha, const int beta, 475 const int lim_p0q0, const int lim_q1, 476 const int lim_p1) 477{ 478 rv40_weak_loop_filter(src, stride, 1, filter_p1, filter_q1, 479 alpha, beta, lim_p0q0, lim_q1, lim_p1); 480} 481 482static void rv40_v_weak_loop_filter(uint8_t *src, const ptrdiff_t stride, 483 const int filter_p1, const int filter_q1, 484 const int alpha, const int beta, 485 const int lim_p0q0, const int lim_q1, 486 const int lim_p1) 487{ 488 rv40_weak_loop_filter(src, 1, stride, filter_p1, filter_q1, 489 alpha, beta, lim_p0q0, lim_q1, lim_p1); 490} 491 492static av_always_inline void rv40_strong_loop_filter(uint8_t *src, 493 const int step, 494 const ptrdiff_t stride, 495 const int alpha, 496 const int lims, 497 const int dmode, 498 const int chroma) 499{ 500 int i; 501 502 for(i = 0; i < 4; i++, src += stride){ 503 int sflag, p0, q0, p1, q1; 504 int t = src[0*step] - src[-1*step]; 505 506 if (!t) 507 continue; 508 509 sflag = (alpha * FFABS(t)) >> 7; 510 if (sflag > 1) 511 continue; 512 513 p0 = (25*src[-3*step] + 26*src[-2*step] + 26*src[-1*step] + 514 26*src[ 0*step] + 25*src[ 1*step] + 515 rv40_dither_l[dmode + i]) >> 7; 516 517 q0 = (25*src[-2*step] + 26*src[-1*step] + 26*src[ 0*step] + 518 26*src[ 1*step] + 25*src[ 2*step] + 519 rv40_dither_r[dmode + i]) >> 7; 520 521 if (sflag) { 522 p0 = av_clip(p0, src[-1*step] - lims, src[-1*step] + lims); 523 q0 = av_clip(q0, src[ 0*step] - lims, src[ 0*step] + lims); 524 } 525 526 p1 = (25*src[-4*step] + 26*src[-3*step] + 26*src[-2*step] + 26*p0 + 527 25*src[ 0*step] + rv40_dither_l[dmode + i]) >> 7; 528 q1 = (25*src[-1*step] + 26*q0 + 26*src[ 1*step] + 26*src[ 2*step] + 529 25*src[ 3*step] + rv40_dither_r[dmode + i]) >> 7; 530 531 if (sflag) { 532 p1 = av_clip(p1, src[-2*step] - lims, src[-2*step] + lims); 533 q1 = av_clip(q1, src[ 1*step] - lims, src[ 1*step] + lims); 534 } 535 536 src[-2*step] = p1; 537 src[-1*step] = p0; 538 src[ 0*step] = q0; 539 src[ 1*step] = q1; 540 541 if(!chroma){ 542 src[-3*step] = (25*src[-1*step] + 26*src[-2*step] + 543 51*src[-3*step] + 26*src[-4*step] + 64) >> 7; 544 src[ 2*step] = (25*src[ 0*step] + 26*src[ 1*step] + 545 51*src[ 2*step] + 26*src[ 3*step] + 64) >> 7; 546 } 547 } 548} 549 550static void rv40_h_strong_loop_filter(uint8_t *src, const ptrdiff_t stride, 551 const int alpha, const int lims, 552 const int dmode, const int chroma) 553{ 554 rv40_strong_loop_filter(src, stride, 1, alpha, lims, dmode, chroma); 555} 556 557static void rv40_v_strong_loop_filter(uint8_t *src, const ptrdiff_t stride, 558 const int alpha, const int lims, 559 const int dmode, const int chroma) 560{ 561 rv40_strong_loop_filter(src, 1, stride, alpha, lims, dmode, chroma); 562} 563 564static av_always_inline int rv40_loop_filter_strength(uint8_t *src, 565 int step, ptrdiff_t stride, 566 int beta, int beta2, 567 int edge, 568 int *p1, int *q1) 569{ 570 int sum_p1p0 = 0, sum_q1q0 = 0, sum_p1p2 = 0, sum_q1q2 = 0; 571 int strong0 = 0, strong1 = 0; 572 uint8_t *ptr; 573 int i; 574 575 for (i = 0, ptr = src; i < 4; i++, ptr += stride) { 576 sum_p1p0 += ptr[-2*step] - ptr[-1*step]; 577 sum_q1q0 += ptr[ 1*step] - ptr[ 0*step]; 578 } 579 580 *p1 = FFABS(sum_p1p0) < (beta << 2); 581 *q1 = FFABS(sum_q1q0) < (beta << 2); 582 583 if(!*p1 && !*q1) 584 return 0; 585 586 if (!edge) 587 return 0; 588 589 for (i = 0, ptr = src; i < 4; i++, ptr += stride) { 590 sum_p1p2 += ptr[-2*step] - ptr[-3*step]; 591 sum_q1q2 += ptr[ 1*step] - ptr[ 2*step]; 592 } 593 594 strong0 = *p1 && (FFABS(sum_p1p2) < beta2); 595 strong1 = *q1 && (FFABS(sum_q1q2) < beta2); 596 597 return strong0 && strong1; 598} 599 600static int rv40_h_loop_filter_strength(uint8_t *src, ptrdiff_t stride, 601 int beta, int beta2, int edge, 602 int *p1, int *q1) 603{ 604 return rv40_loop_filter_strength(src, stride, 1, beta, beta2, edge, p1, q1); 605} 606 607static int rv40_v_loop_filter_strength(uint8_t *src, ptrdiff_t stride, 608 int beta, int beta2, int edge, 609 int *p1, int *q1) 610{ 611 return rv40_loop_filter_strength(src, 1, stride, beta, beta2, edge, p1, q1); 612} 613 614av_cold void ff_rv40dsp_init(RV34DSPContext *c) 615{ 616 H264QpelContext qpel; 617 618 ff_rv34dsp_init(c); 619 ff_h264qpel_init(&qpel, 8); 620 621 c->put_pixels_tab[0][ 0] = qpel.put_h264_qpel_pixels_tab[0][0]; 622 c->put_pixels_tab[0][ 1] = put_rv40_qpel16_mc10_c; 623 c->put_pixels_tab[0][ 2] = qpel.put_h264_qpel_pixels_tab[0][2]; 624 c->put_pixels_tab[0][ 3] = put_rv40_qpel16_mc30_c; 625 c->put_pixels_tab[0][ 4] = put_rv40_qpel16_mc01_c; 626 c->put_pixels_tab[0][ 5] = put_rv40_qpel16_mc11_c; 627 c->put_pixels_tab[0][ 6] = put_rv40_qpel16_mc21_c; 628 c->put_pixels_tab[0][ 7] = put_rv40_qpel16_mc31_c; 629 c->put_pixels_tab[0][ 8] = qpel.put_h264_qpel_pixels_tab[0][8]; 630 c->put_pixels_tab[0][ 9] = put_rv40_qpel16_mc12_c; 631 c->put_pixels_tab[0][10] = put_rv40_qpel16_mc22_c; 632 c->put_pixels_tab[0][11] = put_rv40_qpel16_mc32_c; 633 c->put_pixels_tab[0][12] = put_rv40_qpel16_mc03_c; 634 c->put_pixels_tab[0][13] = put_rv40_qpel16_mc13_c; 635 c->put_pixels_tab[0][14] = put_rv40_qpel16_mc23_c; 636 c->put_pixels_tab[0][15] = put_rv40_qpel16_mc33_c; 637 c->avg_pixels_tab[0][ 0] = qpel.avg_h264_qpel_pixels_tab[0][0]; 638 c->avg_pixels_tab[0][ 1] = avg_rv40_qpel16_mc10_c; 639 c->avg_pixels_tab[0][ 2] = qpel.avg_h264_qpel_pixels_tab[0][2]; 640 c->avg_pixels_tab[0][ 3] = avg_rv40_qpel16_mc30_c; 641 c->avg_pixels_tab[0][ 4] = avg_rv40_qpel16_mc01_c; 642 c->avg_pixels_tab[0][ 5] = avg_rv40_qpel16_mc11_c; 643 c->avg_pixels_tab[0][ 6] = avg_rv40_qpel16_mc21_c; 644 c->avg_pixels_tab[0][ 7] = avg_rv40_qpel16_mc31_c; 645 c->avg_pixels_tab[0][ 8] = qpel.avg_h264_qpel_pixels_tab[0][8]; 646 c->avg_pixels_tab[0][ 9] = avg_rv40_qpel16_mc12_c; 647 c->avg_pixels_tab[0][10] = avg_rv40_qpel16_mc22_c; 648 c->avg_pixels_tab[0][11] = avg_rv40_qpel16_mc32_c; 649 c->avg_pixels_tab[0][12] = avg_rv40_qpel16_mc03_c; 650 c->avg_pixels_tab[0][13] = avg_rv40_qpel16_mc13_c; 651 c->avg_pixels_tab[0][14] = avg_rv40_qpel16_mc23_c; 652 c->avg_pixels_tab[0][15] = avg_rv40_qpel16_mc33_c; 653 c->put_pixels_tab[1][ 0] = qpel.put_h264_qpel_pixels_tab[1][0]; 654 c->put_pixels_tab[1][ 1] = put_rv40_qpel8_mc10_c; 655 c->put_pixels_tab[1][ 2] = qpel.put_h264_qpel_pixels_tab[1][2]; 656 c->put_pixels_tab[1][ 3] = put_rv40_qpel8_mc30_c; 657 c->put_pixels_tab[1][ 4] = put_rv40_qpel8_mc01_c; 658 c->put_pixels_tab[1][ 5] = put_rv40_qpel8_mc11_c; 659 c->put_pixels_tab[1][ 6] = put_rv40_qpel8_mc21_c; 660 c->put_pixels_tab[1][ 7] = put_rv40_qpel8_mc31_c; 661 c->put_pixels_tab[1][ 8] = qpel.put_h264_qpel_pixels_tab[1][8]; 662 c->put_pixels_tab[1][ 9] = put_rv40_qpel8_mc12_c; 663 c->put_pixels_tab[1][10] = put_rv40_qpel8_mc22_c; 664 c->put_pixels_tab[1][11] = put_rv40_qpel8_mc32_c; 665 c->put_pixels_tab[1][12] = put_rv40_qpel8_mc03_c; 666 c->put_pixels_tab[1][13] = put_rv40_qpel8_mc13_c; 667 c->put_pixels_tab[1][14] = put_rv40_qpel8_mc23_c; 668 c->put_pixels_tab[1][15] = put_rv40_qpel8_mc33_c; 669 c->avg_pixels_tab[1][ 0] = qpel.avg_h264_qpel_pixels_tab[1][0]; 670 c->avg_pixels_tab[1][ 1] = avg_rv40_qpel8_mc10_c; 671 c->avg_pixels_tab[1][ 2] = qpel.avg_h264_qpel_pixels_tab[1][2]; 672 c->avg_pixels_tab[1][ 3] = avg_rv40_qpel8_mc30_c; 673 c->avg_pixels_tab[1][ 4] = avg_rv40_qpel8_mc01_c; 674 c->avg_pixels_tab[1][ 5] = avg_rv40_qpel8_mc11_c; 675 c->avg_pixels_tab[1][ 6] = avg_rv40_qpel8_mc21_c; 676 c->avg_pixels_tab[1][ 7] = avg_rv40_qpel8_mc31_c; 677 c->avg_pixels_tab[1][ 8] = qpel.avg_h264_qpel_pixels_tab[1][8]; 678 c->avg_pixels_tab[1][ 9] = avg_rv40_qpel8_mc12_c; 679 c->avg_pixels_tab[1][10] = avg_rv40_qpel8_mc22_c; 680 c->avg_pixels_tab[1][11] = avg_rv40_qpel8_mc32_c; 681 c->avg_pixels_tab[1][12] = avg_rv40_qpel8_mc03_c; 682 c->avg_pixels_tab[1][13] = avg_rv40_qpel8_mc13_c; 683 c->avg_pixels_tab[1][14] = avg_rv40_qpel8_mc23_c; 684 c->avg_pixels_tab[1][15] = avg_rv40_qpel8_mc33_c; 685 686 c->put_chroma_pixels_tab[0] = put_rv40_chroma_mc8_c; 687 c->put_chroma_pixels_tab[1] = put_rv40_chroma_mc4_c; 688 c->avg_chroma_pixels_tab[0] = avg_rv40_chroma_mc8_c; 689 c->avg_chroma_pixels_tab[1] = avg_rv40_chroma_mc4_c; 690 691 c->rv40_weight_pixels_tab[0][0] = rv40_weight_func_rnd_16; 692 c->rv40_weight_pixels_tab[0][1] = rv40_weight_func_rnd_8; 693 c->rv40_weight_pixels_tab[1][0] = rv40_weight_func_nornd_16; 694 c->rv40_weight_pixels_tab[1][1] = rv40_weight_func_nornd_8; 695 696 c->rv40_weak_loop_filter[0] = rv40_h_weak_loop_filter; 697 c->rv40_weak_loop_filter[1] = rv40_v_weak_loop_filter; 698 c->rv40_strong_loop_filter[0] = rv40_h_strong_loop_filter; 699 c->rv40_strong_loop_filter[1] = rv40_v_strong_loop_filter; 700 c->rv40_loop_filter_strength[0] = rv40_h_loop_filter_strength; 701 c->rv40_loop_filter_strength[1] = rv40_v_loop_filter_strength; 702 703 if (ARCH_AARCH64) 704 ff_rv40dsp_init_aarch64(c); 705 if (ARCH_ARM) 706 ff_rv40dsp_init_arm(c); 707 if (ARCH_X86) 708 ff_rv40dsp_init_x86(c); 709} 710