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libavcodec/bfin/dsputil_bfin.c

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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 <unistd.h>
00025 #include "libavcodec/avcodec.h"
00026 #include "libavcodec/dsputil.h"
00027 #include "dsputil_bfin.h"
00028 
00029 int off;
00030 
00031 
00032 void ff_bfin_idct (DCTELEM *block) attribute_l1_text;
00033 void ff_bfin_fdct (DCTELEM *block) attribute_l1_text;
00034 void ff_bfin_vp3_idct (DCTELEM *block);
00035 void ff_bfin_vp3_idct_put (uint8_t *dest, int line_size, DCTELEM *block);
00036 void ff_bfin_vp3_idct_add (uint8_t *dest, int line_size, DCTELEM *block);
00037 void ff_bfin_add_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
00038 void ff_bfin_put_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
00039 void ff_bfin_diff_pixels (DCTELEM *block, uint8_t *s1, uint8_t *s2, int stride)  attribute_l1_text;
00040 void ff_bfin_get_pixels  (DCTELEM *restrict block, const uint8_t *pixels, int line_size) attribute_l1_text;
00041 int  ff_bfin_pix_norm1  (uint8_t * pix, int line_size) attribute_l1_text;
00042 int  ff_bfin_z_sad8x8   (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text;
00043 int  ff_bfin_z_sad16x16 (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text;
00044 
00045 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;
00046 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;
00047 void ff_bfin_put_pixels16_xy2_nornd (uint8_t *block, const uint8_t *s0, int line_size, int h) attribute_l1_text;
00048 void ff_bfin_put_pixels8_xy2_nornd  (uint8_t *block, const uint8_t *s0, int line_size, int h) attribute_l1_text;
00049 
00050 
00051 int  ff_bfin_pix_sum (uint8_t *p, int stride) attribute_l1_text;
00052 
00053 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;
00054 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;
00055 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;
00056 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;
00057 
00058 int ff_bfin_sse4  (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;
00059 int ff_bfin_sse8  (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;
00060 int ff_bfin_sse16 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;
00061 
00062 
00063 static void bfin_idct_add (uint8_t *dest, int line_size, DCTELEM *block)
00064 {
00065     ff_bfin_idct (block);
00066     ff_bfin_add_pixels_clamped (block, dest, line_size);
00067 }
00068 
00069 static void bfin_idct_put (uint8_t *dest, int line_size, DCTELEM *block)
00070 {
00071     ff_bfin_idct (block);
00072     ff_bfin_put_pixels_clamped (block, dest, line_size);
00073 }
00074 
00075 
00076 static void bfin_clear_blocks (DCTELEM *blocks)
00077 {
00078     // This is just a simple memset.
00079     //
00080     __asm__("P0=192; "
00081         "I0=%0;  "
00082         "R0=0;   "
00083         "LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;"
00084         "clear_blocks_blkfn_lab:"
00085         "[I0++]=R0;"
00086         ::"a" (blocks):"P0","I0","R0");
00087 }
00088 
00089 
00090 
00091 static void bfin_put_pixels8 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00092 {
00093     ff_bfin_put_pixels8uc (block, pixels, pixels, line_size, line_size, h);
00094 }
00095 
00096 static void bfin_put_pixels8_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)
00097 {
00098     ff_bfin_put_pixels8uc (block, pixels, pixels+1, line_size, line_size, h);
00099 }
00100 
00101 static void bfin_put_pixels8_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00102 {
00103     ff_bfin_put_pixels8uc (block, pixels, pixels+line_size, line_size, line_size, h);
00104 }
00105 
00106 static void bfin_put_pixels8_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h)
00107 {
00108     ff_bfin_z_put_pixels8_xy2 (block,s0,line_size, line_size, h);
00109 }
00110 
00111 static void bfin_put_pixels16 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00112 {
00113     ff_bfin_put_pixels16uc (block, pixels, pixels, line_size, line_size, h);
00114 }
00115 
00116 static void bfin_put_pixels16_x2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00117 {
00118     ff_bfin_put_pixels16uc (block, pixels, pixels+1, line_size, line_size, h);
00119 }
00120 
00121 static void bfin_put_pixels16_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00122 {
00123     ff_bfin_put_pixels16uc (block, pixels, pixels+line_size, line_size, line_size, h);
00124 }
00125 
00126 static void bfin_put_pixels16_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h)
00127 {
00128     ff_bfin_z_put_pixels16_xy2 (block,s0,line_size, line_size, h);
00129 }
00130 
00131 void bfin_put_pixels8_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00132 {
00133     ff_bfin_put_pixels8uc_nornd (block, pixels, pixels, line_size, h);
00134 }
00135 
00136 static void bfin_put_pixels8_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00137 {
00138     ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+1, line_size, h);
00139 }
00140 
00141 static void bfin_put_pixels8_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00142 {
00143     ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+line_size, line_size, h);
00144 }
00145 
00146 
00147 void bfin_put_pixels16_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00148 {
00149     ff_bfin_put_pixels16uc_nornd (block, pixels, pixels, line_size, h);
00150 }
00151 
00152 static void bfin_put_pixels16_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00153 {
00154     ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+1, line_size, h);
00155 }
00156 
00157 static void bfin_put_pixels16_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
00158 {
00159     ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+line_size, line_size, h);
00160 }
00161 
00162 static int bfin_pix_abs16 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
00163 {
00164     return ff_bfin_z_sad16x16 (blk1,blk2,line_size,line_size,h);
00165 }
00166 
00167 static int bfin_vsad_intra16 (void *c, uint8_t *blk1, uint8_t *dummy, int stride, int h) {
00168     return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h);
00169 }
00170 
00171 static int bfin_vsad (void *c, uint8_t *blk1, uint8_t *blk2, int stride, int h) {
00172     return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h)
00173         + ff_bfin_z_sad16x16 (blk2,blk2+stride,stride<<1,stride<<1,h);
00174 }
00175 
00176 static uint8_t vtmp_blk[256] attribute_l1_data_b;
00177 
00178 static int bfin_pix_abs16_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
00179 {
00180     ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+1, 16, line_size, h);
00181     return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);
00182 }
00183 
00184 static int bfin_pix_abs16_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
00185 {
00186     ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+line_size, 16, line_size, h);
00187     return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);
00188 }
00189 
00190 static int bfin_pix_abs16_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
00191 {
00192     ff_bfin_z_put_pixels16_xy2 (vtmp_blk, blk2, 16, line_size, h);
00193     return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);
00194 }
00195 
00196 static int bfin_pix_abs8 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
00197 {
00198     return ff_bfin_z_sad8x8 (blk1,blk2,line_size,line_size, h);
00199 }
00200 
00201 static int bfin_pix_abs8_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
00202 {
00203     ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+1, 8, line_size, h);
00204     return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);
00205 }
00206 
00207 static int bfin_pix_abs8_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
00208 {
00209     ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+line_size, 8, line_size, h);
00210     return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);
00211 }
00212 
00213 static int bfin_pix_abs8_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
00214 {
00215     ff_bfin_z_put_pixels8_xy2 (vtmp_blk, blk2, 8, line_size, h);
00216     return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);
00217 }
00218 
00219 
00220 /*
00221   decoder optimization
00222   start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging
00223   9.824s ~ 2.44x off
00224   6.360s ~ 1.58x off with -O2
00225   5.740s ~ 1.43x off with idcts
00226 
00227   2.64s    2/20 same sman.mp4 decode only
00228 
00229 */
00230 
00231 void dsputil_init_bfin( DSPContext* c, AVCodecContext *avctx )
00232 {
00233     c->get_pixels         = ff_bfin_get_pixels;
00234     c->diff_pixels        = ff_bfin_diff_pixels;
00235     c->put_pixels_clamped = ff_bfin_put_pixels_clamped;
00236     c->add_pixels_clamped = ff_bfin_add_pixels_clamped;
00237 
00238     c->clear_blocks       = bfin_clear_blocks;
00239     c->pix_sum            = ff_bfin_pix_sum;
00240     c->pix_norm1          = ff_bfin_pix_norm1;
00241 
00242     c->sad[0]             = bfin_pix_abs16;
00243     c->sad[1]             = bfin_pix_abs8;
00244 
00245     c->vsad[0]            = bfin_vsad;
00246     c->vsad[4]            = bfin_vsad_intra16;
00247 
00248     /* TODO [0] 16  [1] 8 */
00249     c->pix_abs[0][0] = bfin_pix_abs16;
00250     c->pix_abs[0][1] = bfin_pix_abs16_x2;
00251     c->pix_abs[0][2] = bfin_pix_abs16_y2;
00252     c->pix_abs[0][3] = bfin_pix_abs16_xy2;
00253 
00254     c->pix_abs[1][0] = bfin_pix_abs8;
00255     c->pix_abs[1][1] = bfin_pix_abs8_x2;
00256     c->pix_abs[1][2] = bfin_pix_abs8_y2;
00257     c->pix_abs[1][3] = bfin_pix_abs8_xy2;
00258 
00259 
00260     c->sse[0] = ff_bfin_sse16;
00261     c->sse[1] = ff_bfin_sse8;
00262     c->sse[2] = ff_bfin_sse4;
00263 
00264 
00276     c->put_pixels_tab[0][0] = bfin_put_pixels16;
00277     c->put_pixels_tab[0][1] = bfin_put_pixels16_x2;
00278     c->put_pixels_tab[0][2] = bfin_put_pixels16_y2;
00279     c->put_pixels_tab[0][3] = bfin_put_pixels16_xy2;
00280 
00281     c->put_pixels_tab[1][0] = bfin_put_pixels8;
00282     c->put_pixels_tab[1][1] = bfin_put_pixels8_x2;
00283     c->put_pixels_tab[1][2] = bfin_put_pixels8_y2;
00284     c->put_pixels_tab[1][3] = bfin_put_pixels8_xy2;
00285 
00286     c->put_no_rnd_pixels_tab[1][0] = bfin_put_pixels8_nornd;
00287     c->put_no_rnd_pixels_tab[1][1] = bfin_put_pixels8_x2_nornd;
00288     c->put_no_rnd_pixels_tab[1][2] = bfin_put_pixels8_y2_nornd;
00289     c->put_no_rnd_pixels_tab[1][3] = ff_bfin_put_pixels8_xy2_nornd;
00290 
00291     c->put_no_rnd_pixels_tab[0][0] = bfin_put_pixels16_nornd;
00292     c->put_no_rnd_pixels_tab[0][1] = bfin_put_pixels16_x2_nornd;
00293     c->put_no_rnd_pixels_tab[0][2] = bfin_put_pixels16_y2_nornd;
00294     c->put_no_rnd_pixels_tab[0][3] = ff_bfin_put_pixels16_xy2_nornd;
00295 
00296     c->idct_permutation_type = FF_NO_IDCT_PERM;
00297     c->fdct                  = ff_bfin_fdct;
00298     if (avctx->idct_algo==FF_IDCT_VP3) {
00299         c->idct               = ff_bfin_vp3_idct;
00300         c->idct_add           = ff_bfin_vp3_idct_add;
00301         c->idct_put           = ff_bfin_vp3_idct_put;
00302     } else {
00303         c->idct               = ff_bfin_idct;
00304         c->idct_add           = bfin_idct_add;
00305         c->idct_put           = bfin_idct_put;
00306     }
00307 }
00308 
00309 
00310 

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