Libav
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00001 /* 00002 * BlackFin DSPUTILS 00003 * 00004 * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> 00005 * Copyright (c) 2006 Michael Benjamin <michael.benjamin@analog.com> 00006 * 00007 * This file is part of FFmpeg. 00008 * 00009 * FFmpeg is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU Lesser General Public 00011 * License as published by the Free Software Foundation; either 00012 * version 2.1 of the License, or (at your option) any later version. 00013 * 00014 * FFmpeg is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 * Lesser General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU Lesser General Public 00020 * License along with FFmpeg; if not, write to the Free Software 00021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00022 */ 00023 00024 #include "libavcodec/avcodec.h" 00025 #include "libavcodec/dsputil.h" 00026 #include "dsputil_bfin.h" 00027 00028 int off; 00029 00030 static void bfin_idct_add (uint8_t *dest, int line_size, DCTELEM *block) 00031 { 00032 ff_bfin_idct (block); 00033 ff_bfin_add_pixels_clamped (block, dest, line_size); 00034 } 00035 00036 static void bfin_idct_put (uint8_t *dest, int line_size, DCTELEM *block) 00037 { 00038 ff_bfin_idct (block); 00039 ff_bfin_put_pixels_clamped (block, dest, line_size); 00040 } 00041 00042 00043 static void bfin_clear_blocks (DCTELEM *blocks) 00044 { 00045 // This is just a simple memset. 00046 // 00047 __asm__("P0=192; " 00048 "I0=%0; " 00049 "R0=0; " 00050 "LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;" 00051 "clear_blocks_blkfn_lab:" 00052 "[I0++]=R0;" 00053 ::"a" (blocks):"P0","I0","R0"); 00054 } 00055 00056 00057 00058 static void bfin_put_pixels8 (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00059 { 00060 ff_bfin_put_pixels8uc (block, pixels, pixels, line_size, line_size, h); 00061 } 00062 00063 static void bfin_put_pixels8_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h) 00064 { 00065 ff_bfin_put_pixels8uc (block, pixels, pixels+1, line_size, line_size, h); 00066 } 00067 00068 static void bfin_put_pixels8_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00069 { 00070 ff_bfin_put_pixels8uc (block, pixels, pixels+line_size, line_size, line_size, h); 00071 } 00072 00073 static void bfin_put_pixels8_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h) 00074 { 00075 ff_bfin_z_put_pixels8_xy2 (block,s0,line_size, line_size, h); 00076 } 00077 00078 static void bfin_put_pixels16 (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00079 { 00080 ff_bfin_put_pixels16uc (block, pixels, pixels, line_size, line_size, h); 00081 } 00082 00083 static void bfin_put_pixels16_x2 (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00084 { 00085 ff_bfin_put_pixels16uc (block, pixels, pixels+1, line_size, line_size, h); 00086 } 00087 00088 static void bfin_put_pixels16_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00089 { 00090 ff_bfin_put_pixels16uc (block, pixels, pixels+line_size, line_size, line_size, h); 00091 } 00092 00093 static void bfin_put_pixels16_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h) 00094 { 00095 ff_bfin_z_put_pixels16_xy2 (block,s0,line_size, line_size, h); 00096 } 00097 00098 static void bfin_put_pixels8_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00099 { 00100 ff_bfin_put_pixels8uc_nornd (block, pixels, pixels, line_size, h); 00101 } 00102 00103 static void bfin_put_pixels8_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00104 { 00105 ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+1, line_size, h); 00106 } 00107 00108 static void bfin_put_pixels8_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00109 { 00110 ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+line_size, line_size, h); 00111 } 00112 00113 00114 static void bfin_put_pixels16_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00115 { 00116 ff_bfin_put_pixels16uc_nornd (block, pixels, pixels, line_size, h); 00117 } 00118 00119 static void bfin_put_pixels16_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00120 { 00121 ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+1, line_size, h); 00122 } 00123 00124 static void bfin_put_pixels16_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h) 00125 { 00126 ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+line_size, line_size, h); 00127 } 00128 00129 static int bfin_pix_abs16 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 00130 { 00131 return ff_bfin_z_sad16x16 (blk1,blk2,line_size,line_size,h); 00132 } 00133 00134 static int bfin_vsad_intra16 (void *c, uint8_t *blk1, uint8_t *dummy, int stride, int h) { 00135 return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h); 00136 } 00137 00138 static int bfin_vsad (void *c, uint8_t *blk1, uint8_t *blk2, int stride, int h) { 00139 return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h) 00140 + ff_bfin_z_sad16x16 (blk2,blk2+stride,stride<<1,stride<<1,h); 00141 } 00142 00143 static uint8_t vtmp_blk[256] attribute_l1_data_b; 00144 00145 static int bfin_pix_abs16_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 00146 { 00147 ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+1, 16, line_size, h); 00148 return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); 00149 } 00150 00151 static int bfin_pix_abs16_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 00152 { 00153 ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+line_size, 16, line_size, h); 00154 return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); 00155 } 00156 00157 static int bfin_pix_abs16_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 00158 { 00159 ff_bfin_z_put_pixels16_xy2 (vtmp_blk, blk2, 16, line_size, h); 00160 return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); 00161 } 00162 00163 static int bfin_pix_abs8 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 00164 { 00165 return ff_bfin_z_sad8x8 (blk1,blk2,line_size,line_size, h); 00166 } 00167 00168 static int bfin_pix_abs8_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 00169 { 00170 ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+1, 8, line_size, h); 00171 return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); 00172 } 00173 00174 static int bfin_pix_abs8_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 00175 { 00176 ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+line_size, 8, line_size, h); 00177 return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); 00178 } 00179 00180 static int bfin_pix_abs8_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) 00181 { 00182 ff_bfin_z_put_pixels8_xy2 (vtmp_blk, blk2, 8, line_size, h); 00183 return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); 00184 } 00185 00186 00187 /* 00188 decoder optimization 00189 start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging 00190 9.824s ~ 2.44x off 00191 6.360s ~ 1.58x off with -O2 00192 5.740s ~ 1.43x off with idcts 00193 00194 2.64s 2/20 same sman.mp4 decode only 00195 00196 */ 00197 00198 void dsputil_init_bfin( DSPContext* c, AVCodecContext *avctx ) 00199 { 00200 c->get_pixels = ff_bfin_get_pixels; 00201 c->diff_pixels = ff_bfin_diff_pixels; 00202 c->put_pixels_clamped = ff_bfin_put_pixels_clamped; 00203 c->add_pixels_clamped = ff_bfin_add_pixels_clamped; 00204 00205 c->clear_blocks = bfin_clear_blocks; 00206 c->pix_sum = ff_bfin_pix_sum; 00207 c->pix_norm1 = ff_bfin_pix_norm1; 00208 00209 c->sad[0] = bfin_pix_abs16; 00210 c->sad[1] = bfin_pix_abs8; 00211 00212 /* c->vsad[0] = bfin_vsad; */ 00213 /* c->vsad[4] = bfin_vsad_intra16; */ 00214 00215 /* TODO [0] 16 [1] 8 */ 00216 c->pix_abs[0][0] = bfin_pix_abs16; 00217 c->pix_abs[0][1] = bfin_pix_abs16_x2; 00218 c->pix_abs[0][2] = bfin_pix_abs16_y2; 00219 c->pix_abs[0][3] = bfin_pix_abs16_xy2; 00220 00221 c->pix_abs[1][0] = bfin_pix_abs8; 00222 c->pix_abs[1][1] = bfin_pix_abs8_x2; 00223 c->pix_abs[1][2] = bfin_pix_abs8_y2; 00224 c->pix_abs[1][3] = bfin_pix_abs8_xy2; 00225 00226 00227 c->sse[0] = ff_bfin_sse16; 00228 c->sse[1] = ff_bfin_sse8; 00229 c->sse[2] = ff_bfin_sse4; 00230 00231 00243 c->put_pixels_tab[0][0] = bfin_put_pixels16; 00244 c->put_pixels_tab[0][1] = bfin_put_pixels16_x2; 00245 c->put_pixels_tab[0][2] = bfin_put_pixels16_y2; 00246 c->put_pixels_tab[0][3] = bfin_put_pixels16_xy2; 00247 00248 c->put_pixels_tab[1][0] = bfin_put_pixels8; 00249 c->put_pixels_tab[1][1] = bfin_put_pixels8_x2; 00250 c->put_pixels_tab[1][2] = bfin_put_pixels8_y2; 00251 c->put_pixels_tab[1][3] = bfin_put_pixels8_xy2; 00252 00253 c->put_no_rnd_pixels_tab[1][0] = bfin_put_pixels8_nornd; 00254 c->put_no_rnd_pixels_tab[1][1] = bfin_put_pixels8_x2_nornd; 00255 c->put_no_rnd_pixels_tab[1][2] = bfin_put_pixels8_y2_nornd; 00256 /* c->put_no_rnd_pixels_tab[1][3] = ff_bfin_put_pixels8_xy2_nornd; */ 00257 00258 c->put_no_rnd_pixels_tab[0][0] = bfin_put_pixels16_nornd; 00259 c->put_no_rnd_pixels_tab[0][1] = bfin_put_pixels16_x2_nornd; 00260 c->put_no_rnd_pixels_tab[0][2] = bfin_put_pixels16_y2_nornd; 00261 /* c->put_no_rnd_pixels_tab[0][3] = ff_bfin_put_pixels16_xy2_nornd; */ 00262 00263 if (avctx->dct_algo == FF_DCT_AUTO) 00264 c->fdct = ff_bfin_fdct; 00265 00266 if (avctx->idct_algo==FF_IDCT_VP3) { 00267 c->idct_permutation_type = FF_NO_IDCT_PERM; 00268 c->idct = ff_bfin_vp3_idct; 00269 c->idct_add = ff_bfin_vp3_idct_add; 00270 c->idct_put = ff_bfin_vp3_idct_put; 00271 } else if (avctx->idct_algo == FF_IDCT_AUTO) { 00272 c->idct_permutation_type = FF_NO_IDCT_PERM; 00273 c->idct = ff_bfin_idct; 00274 c->idct_add = bfin_idct_add; 00275 c->idct_put = bfin_idct_put; 00276 } 00277 } 00278 00279 00280