1/* 2 * BlackFin DSPUTILS 3 * 4 * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> 5 * Copyright (c) 2006 Michael Benjamin <michael.benjamin@analog.com> 6 * 7 * This file is part of FFmpeg. 8 * 9 * FFmpeg is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * FFmpeg is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with FFmpeg; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24#include <unistd.h> 25#include "libavcodec/avcodec.h" 26#include "libavcodec/dsputil.h" 27#include "dsputil_bfin.h" 28 29int off; 30 31 32void ff_bfin_idct (DCTELEM *block) attribute_l1_text; 33void ff_bfin_fdct (DCTELEM *block) attribute_l1_text; 34void ff_bfin_vp3_idct (DCTELEM *block); 35void ff_bfin_vp3_idct_put (uint8_t *dest, int line_size, DCTELEM *block); 36void ff_bfin_vp3_idct_add (uint8_t *dest, int line_size, DCTELEM *block); 37void ff_bfin_add_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text; 38void ff_bfin_put_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text; 39void ff_bfin_diff_pixels (DCTELEM *block, uint8_t *s1, uint8_t *s2, int stride) attribute_l1_text; 40void ff_bfin_get_pixels (DCTELEM *restrict block, const uint8_t *pixels, int line_size) attribute_l1_text; 41int ff_bfin_pix_norm1 (uint8_t * pix, int line_size) attribute_l1_text; 42int ff_bfin_z_sad8x8 (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text; 43int ff_bfin_z_sad16x16 (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text; 44 45void ff_bfin_z_put_pixels16_xy2 (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h) attribute_l1_text; 46void ff_bfin_z_put_pixels8_xy2 (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h) attribute_l1_text; 47void ff_bfin_put_pixels16_xy2_nornd (uint8_t *block, const uint8_t *s0, int line_size, int h) attribute_l1_text; 48void ff_bfin_put_pixels8_xy2_nornd (uint8_t *block, const uint8_t *s0, int line_size, int h) attribute_l1_text; 49 50 51int ff_bfin_pix_sum (uint8_t *p, int stride) attribute_l1_text; 52 53void ff_bfin_put_pixels8uc (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int dest_size, int line_size, int h) attribute_l1_text; 54void ff_bfin_put_pixels16uc (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int dest_size, int line_size, int h) attribute_l1_text; 55void ff_bfin_put_pixels8uc_nornd (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h) attribute_l1_text; 56void ff_bfin_put_pixels16uc_nornd (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h) attribute_l1_text; 57 58int ff_bfin_sse4 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text; 59int ff_bfin_sse8 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text; 60int ff_bfin_sse16 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text; 61 62 63static void bfin_idct_add (uint8_t *dest, int line_size, DCTELEM *block) 64{ 65 ff_bfin_idct (block); 66 ff_bfin_add_pixels_clamped (block, dest, line_size); 67} 68 69static void bfin_idct_put (uint8_t *dest, int line_size, DCTELEM *block) 70{ 71 ff_bfin_idct (block); 72 ff_bfin_put_pixels_clamped (block, dest, line_size); 73} 74 75 76static void bfin_clear_blocks (DCTELEM *blocks) 77{ 78 // This is just a simple memset. 79 // 80 __asm__("P0=192; " 81 "I0=%0; " 82 "R0=0; " 83 "LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;" 84 "clear_blocks_blkfn_lab:" 85 "[I0++]=R0;" 86 ::"a" (blocks):"P0","I0","R0"); 87} 88 89 90 91static void bfin_put_pixels8 (uint8_t *block, const uint8_t *pixels, int line_size, int h) 92{ 93 ff_bfin_put_pixels8uc (block, pixels, pixels, line_size, line_size, h); 94} 95 96static void bfin_put_pixels8_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h) 97{ 98 ff_bfin_put_pixels8uc (block, pixels, pixels+1, line_size, line_size, h); 99} 100 101static void bfin_put_pixels8_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h) 102{ 103 ff_bfin_put_pixels8uc (block, pixels, pixels+line_size, line_size, line_size, h); 104} 105 106static void bfin_put_pixels8_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h) 107{ 108 ff_bfin_z_put_pixels8_xy2 (block,s0,line_size, line_size, h); 109} 110 111static void bfin_put_pixels16 (uint8_t *block, const uint8_t *pixels, int line_size, int h) 112{ 113 ff_bfin_put_pixels16uc (block, pixels, pixels, line_size, line_size, h); 114} 115 116static void bfin_put_pixels16_x2 (uint8_t *block, const uint8_t *pixels, int line_size, int h) 117{ 118 ff_bfin_put_pixels16uc (block, pixels, pixels+1, line_size, line_size, h); 119} 120 121static void bfin_put_pixels16_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h) 122{ 123 ff_bfin_put_pixels16uc (block, pixels, pixels+line_size, line_size, line_size, h); 124} 125 126static void bfin_put_pixels16_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h) 127{ 128 ff_bfin_z_put_pixels16_xy2 (block,s0,line_size, line_size, h); 129} 130 131void bfin_put_pixels8_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 132{ 133 ff_bfin_put_pixels8uc_nornd (block, pixels, pixels, line_size, h); 134} 135 136static void bfin_put_pixels8_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 137{ 138 ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+1, line_size, h); 139} 140 141static void bfin_put_pixels8_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 142{ 143 ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+line_size, line_size, h); 144} 145 146 147void bfin_put_pixels16_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 148{ 149 ff_bfin_put_pixels16uc_nornd (block, pixels, pixels, line_size, h); 150} 151 152static void bfin_put_pixels16_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 153{ 154 ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+1, line_size, h); 155} 156 157static void bfin_put_pixels16_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 158{ 159 ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+line_size, line_size, h); 160} 161 162static int bfin_pix_abs16 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 163{ 164 return ff_bfin_z_sad16x16 (blk1,blk2,line_size,line_size,h); 165} 166 167static int bfin_vsad_intra16 (void *c, uint8_t *blk1, uint8_t *dummy, int stride, int h) { 168 return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h); 169} 170 171static int bfin_vsad (void *c, uint8_t *blk1, uint8_t *blk2, int stride, int h) { 172 return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h) 173 + ff_bfin_z_sad16x16 (blk2,blk2+stride,stride<<1,stride<<1,h); 174} 175 176static uint8_t vtmp_blk[256] attribute_l1_data_b; 177 178static int bfin_pix_abs16_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 179{ 180 ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+1, 16, line_size, h); 181 return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); 182} 183 184static int bfin_pix_abs16_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 185{ 186 ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+line_size, 16, line_size, h); 187 return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); 188} 189 190static int bfin_pix_abs16_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 191{ 192 ff_bfin_z_put_pixels16_xy2 (vtmp_blk, blk2, 16, line_size, h); 193 return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); 194} 195 196static int bfin_pix_abs8 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 197{ 198 return ff_bfin_z_sad8x8 (blk1,blk2,line_size,line_size, h); 199} 200 201static int bfin_pix_abs8_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 202{ 203 ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+1, 8, line_size, h); 204 return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); 205} 206 207static int bfin_pix_abs8_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 208{ 209 ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+line_size, 8, line_size, h); 210 return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); 211} 212 213static int bfin_pix_abs8_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 214{ 215 ff_bfin_z_put_pixels8_xy2 (vtmp_blk, blk2, 8, line_size, h); 216 return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); 217} 218 219 220/* 221 decoder optimization 222 start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging 223 9.824s ~ 2.44x off 224 6.360s ~ 1.58x off with -O2 225 5.740s ~ 1.43x off with idcts 226 227 2.64s 2/20 same sman.mp4 decode only 228 229*/ 230 231void dsputil_init_bfin( DSPContext* c, AVCodecContext *avctx ) 232{ 233 c->get_pixels = ff_bfin_get_pixels; 234 c->diff_pixels = ff_bfin_diff_pixels; 235 c->put_pixels_clamped = ff_bfin_put_pixels_clamped; 236 c->add_pixels_clamped = ff_bfin_add_pixels_clamped; 237 238 c->clear_blocks = bfin_clear_blocks; 239 c->pix_sum = ff_bfin_pix_sum; 240 c->pix_norm1 = ff_bfin_pix_norm1; 241 242 c->sad[0] = bfin_pix_abs16; 243 c->sad[1] = bfin_pix_abs8; 244 245 c->vsad[0] = bfin_vsad; 246 c->vsad[4] = bfin_vsad_intra16; 247 248 /* TODO [0] 16 [1] 8 */ 249 c->pix_abs[0][0] = bfin_pix_abs16; 250 c->pix_abs[0][1] = bfin_pix_abs16_x2; 251 c->pix_abs[0][2] = bfin_pix_abs16_y2; 252 c->pix_abs[0][3] = bfin_pix_abs16_xy2; 253 254 c->pix_abs[1][0] = bfin_pix_abs8; 255 c->pix_abs[1][1] = bfin_pix_abs8_x2; 256 c->pix_abs[1][2] = bfin_pix_abs8_y2; 257 c->pix_abs[1][3] = bfin_pix_abs8_xy2; 258 259 260 c->sse[0] = ff_bfin_sse16; 261 c->sse[1] = ff_bfin_sse8; 262 c->sse[2] = ff_bfin_sse4; 263 264 265 /** 266 * Halfpel motion compensation with rounding (a+b+1)>>1. 267 * This is an array[4][4] of motion compensation functions for 4 268 * horizontal blocksizes (8,16) and the 4 halfpel positions 269 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] 270 * @param block destination where the result is stored 271 * @param pixels source 272 * @param line_size number of bytes in a horizontal line of block 273 * @param h height 274 */ 275 276 c->put_pixels_tab[0][0] = bfin_put_pixels16; 277 c->put_pixels_tab[0][1] = bfin_put_pixels16_x2; 278 c->put_pixels_tab[0][2] = bfin_put_pixels16_y2; 279 c->put_pixels_tab[0][3] = bfin_put_pixels16_xy2; 280 281 c->put_pixels_tab[1][0] = bfin_put_pixels8; 282 c->put_pixels_tab[1][1] = bfin_put_pixels8_x2; 283 c->put_pixels_tab[1][2] = bfin_put_pixels8_y2; 284 c->put_pixels_tab[1][3] = bfin_put_pixels8_xy2; 285 286 c->put_no_rnd_pixels_tab[1][0] = bfin_put_pixels8_nornd; 287 c->put_no_rnd_pixels_tab[1][1] = bfin_put_pixels8_x2_nornd; 288 c->put_no_rnd_pixels_tab[1][2] = bfin_put_pixels8_y2_nornd; 289 c->put_no_rnd_pixels_tab[1][3] = ff_bfin_put_pixels8_xy2_nornd; 290 291 c->put_no_rnd_pixels_tab[0][0] = bfin_put_pixels16_nornd; 292 c->put_no_rnd_pixels_tab[0][1] = bfin_put_pixels16_x2_nornd; 293 c->put_no_rnd_pixels_tab[0][2] = bfin_put_pixels16_y2_nornd; 294 c->put_no_rnd_pixels_tab[0][3] = ff_bfin_put_pixels16_xy2_nornd; 295 296 c->idct_permutation_type = FF_NO_IDCT_PERM; 297 c->fdct = ff_bfin_fdct; 298 if (avctx->idct_algo==FF_IDCT_VP3) { 299 c->idct = ff_bfin_vp3_idct; 300 c->idct_add = ff_bfin_vp3_idct_add; 301 c->idct_put = ff_bfin_vp3_idct_put; 302 } else { 303 c->idct = ff_bfin_idct; 304 c->idct_add = bfin_idct_add; 305 c->idct_put = bfin_idct_put; 306 } 307} 308 309 310 311