libavcodec/bfin/dsputil_bfin.c

   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
  29 int off;
  30
  31
  32 extern void ff_bfin_idct (DCTELEM *block) attribute_l1_text;
  33 extern void ff_bfin_fdct (DCTELEM *block) attribute_l1_text;
  34 extern void ff_bfin_vp3_idct (DCTELEM *block);
  35 extern void ff_bfin_vp3_idct_put (uint8_t *dest, int line_size, DCTELEM *block);
  36 extern void ff_bfin_vp3_idct_add (uint8_t *dest, int line_size, DCTELEM *block);
  37 extern void ff_bfin_add_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
  38 extern void ff_bfin_put_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
  39 extern void ff_bfin_diff_pixels (DCTELEM *block, uint8_t *s1, uint8_t *s2, int stride)  attribute_l1_text;
  40 extern void ff_bfin_get_pixels  (DCTELEM *restrict block, const uint8_t *pixels, int line_size) attribute_l1_text;
  41 extern int  ff_bfin_pix_norm1  (uint8_t * pix, int line_size) attribute_l1_text;
  42 extern int  ff_bfin_z_sad8x8   (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text;
  43 extern int  ff_bfin_z_sad16x16 (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text;
  44
  45 extern void ff_bfin_z_put_pixels16_xy2     (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h) attribute_l1_text;
  46 extern void ff_bfin_z_put_pixels8_xy2      (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h) attribute_l1_text;
  47 extern void ff_bfin_put_pixels16_xy2_nornd (uint8_t *block, const uint8_t *s0, int line_size, int h) attribute_l1_text;
  48 extern void ff_bfin_put_pixels8_xy2_nornd  (uint8_t *block, const uint8_t *s0, int line_size, int h) attribute_l1_text;
  49
  50
  51 extern int  ff_bfin_pix_sum (uint8_t *p, int stride) attribute_l1_text;
  52
  53 extern void 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;
  54 extern void 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;
  55 extern void ff_bfin_put_pixels8uc_nornd  (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h) attribute_l1_text;
  56 extern void 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
  58 extern int ff_bfin_sse4  (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;
  59 extern int ff_bfin_sse8  (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;
  60 extern int ff_bfin_sse16 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;
  61
  62
  63 static 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
  69 static 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
  76 static 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
  91 static 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
  96 static 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
 101 static 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
 106 static 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
 111 static 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
 116 static 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
 121 static 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
 126 static 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
 131 void 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
 136 static 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
 141 static 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
 147 void 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
 152 static 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
 157 static 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
 162 static 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
 167 static 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
 171 static 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
 176 static uint8_t vtmp_blk[256] attribute_l1_data_b;
 177
 178 static 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
 184 static 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
 190 static 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
 196 static 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
 201 static 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
 207 static 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
 213 static 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
 231 void 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