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dsputil_bfin.c
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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 "libavcodec/avcodec.h"
25 #include "libavcodec/dsputil.h"
26 #include "dsputil_bfin.h"
27 
28 int off;
29 
30 static void bfin_idct_add (uint8_t *dest, int line_size, DCTELEM *block)
31 {
32  ff_bfin_idct (block);
33  ff_bfin_add_pixels_clamped (block, dest, line_size);
34 }
35 
36 static void bfin_idct_put (uint8_t *dest, int line_size, DCTELEM *block)
37 {
38  ff_bfin_idct (block);
39  ff_bfin_put_pixels_clamped (block, dest, line_size);
40 }
41 
42 
43 static void bfin_clear_blocks (DCTELEM *blocks)
44 {
45  // This is just a simple memset.
46  //
47  __asm__("P0=192; "
48  "I0=%0; "
49  "R0=0; "
50  "LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;"
51  "clear_blocks_blkfn_lab:"
52  "[I0++]=R0;"
53  ::"a" (blocks):"P0","I0","R0");
54 }
55 
56 
57 
58 static void bfin_put_pixels8 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
59 {
60  ff_bfin_put_pixels8uc (block, pixels, pixels, line_size, line_size, h);
61 }
62 
63 static void bfin_put_pixels8_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)
64 {
65  ff_bfin_put_pixels8uc (block, pixels, pixels+1, line_size, line_size, h);
66 }
67 
68 static void bfin_put_pixels8_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
69 {
70  ff_bfin_put_pixels8uc (block, pixels, pixels+line_size, line_size, line_size, h);
71 }
72 
73 static void bfin_put_pixels8_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h)
74 {
75  ff_bfin_z_put_pixels8_xy2 (block,s0,line_size, line_size, h);
76 }
77 
78 static void bfin_put_pixels16 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
79 {
80  ff_bfin_put_pixels16uc (block, pixels, pixels, line_size, line_size, h);
81 }
82 
83 static void bfin_put_pixels16_x2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
84 {
85  ff_bfin_put_pixels16uc (block, pixels, pixels+1, line_size, line_size, h);
86 }
87 
88 static void bfin_put_pixels16_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
89 {
90  ff_bfin_put_pixels16uc (block, pixels, pixels+line_size, line_size, line_size, h);
91 }
92 
93 static void bfin_put_pixels16_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h)
94 {
95  ff_bfin_z_put_pixels16_xy2 (block,s0,line_size, line_size, h);
96 }
97 
98 static void bfin_put_pixels8_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
99 {
100  ff_bfin_put_pixels8uc_nornd (block, pixels, pixels, line_size, h);
101 }
102 
103 static void bfin_put_pixels8_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
104 {
105  ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+1, line_size, h);
106 }
107 
108 static void bfin_put_pixels8_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
109 {
110  ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+line_size, line_size, h);
111 }
112 
113 
114 static void bfin_put_pixels16_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
115 {
116  ff_bfin_put_pixels16uc_nornd (block, pixels, pixels, line_size, h);
117 }
118 
119 static void bfin_put_pixels16_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
120 {
121  ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+1, line_size, h);
122 }
123 
124 static void bfin_put_pixels16_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
125 {
126  ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+line_size, line_size, h);
127 }
128 
129 static int bfin_pix_abs16 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
130 {
131  return ff_bfin_z_sad16x16 (blk1,blk2,line_size,line_size,h);
132 }
133 
134 static int bfin_vsad_intra16 (void *c, uint8_t *blk1, uint8_t *dummy, int stride, int h) {
135  return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h);
136 }
137 
138 static int bfin_vsad (void *c, uint8_t *blk1, uint8_t *blk2, int stride, int h) {
139  return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h)
140  + ff_bfin_z_sad16x16 (blk2,blk2+stride,stride<<1,stride<<1,h);
141 }
142 
143 static uint8_t vtmp_blk[256] attribute_l1_data_b;
144 
145 static int bfin_pix_abs16_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
146 {
147  ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+1, 16, line_size, h);
148  return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);
149 }
150 
151 static int bfin_pix_abs16_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
152 {
153  ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+line_size, 16, line_size, h);
154  return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);
155 }
156 
157 static int bfin_pix_abs16_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
158 {
159  ff_bfin_z_put_pixels16_xy2 (vtmp_blk, blk2, 16, line_size, h);
160  return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h);
161 }
162 
163 static int bfin_pix_abs8 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
164 {
165  return ff_bfin_z_sad8x8 (blk1,blk2,line_size,line_size, h);
166 }
167 
168 static int bfin_pix_abs8_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
169 {
170  ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+1, 8, line_size, h);
171  return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);
172 }
173 
174 static int bfin_pix_abs8_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
175 {
176  ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+line_size, 8, line_size, h);
177  return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);
178 }
179 
180 static int bfin_pix_abs8_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
181 {
182  ff_bfin_z_put_pixels8_xy2 (vtmp_blk, blk2, 8, line_size, h);
183  return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h);
184 }
185 
186 
187 /*
188  decoder optimization
189  start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging
190  9.824s ~ 2.44x off
191  6.360s ~ 1.58x off with -O2
192  5.740s ~ 1.43x off with idcts
193 
194  2.64s 2/20 same sman.mp4 decode only
195 
196 */
197 
199 {
200  const int high_bit_depth = avctx->bits_per_raw_sample > 8;
201 
205 
206  if (!high_bit_depth)
211 
212  c->sad[0] = bfin_pix_abs16;
213  c->sad[1] = bfin_pix_abs8;
214 
215 /* c->vsad[0] = bfin_vsad; */
216 /* c->vsad[4] = bfin_vsad_intra16; */
217 
218  /* TODO [0] 16 [1] 8 */
219  c->pix_abs[0][0] = bfin_pix_abs16;
220  c->pix_abs[0][1] = bfin_pix_abs16_x2;
221  c->pix_abs[0][2] = bfin_pix_abs16_y2;
222  c->pix_abs[0][3] = bfin_pix_abs16_xy2;
223 
224  c->pix_abs[1][0] = bfin_pix_abs8;
225  c->pix_abs[1][1] = bfin_pix_abs8_x2;
226  c->pix_abs[1][2] = bfin_pix_abs8_y2;
227  c->pix_abs[1][3] = bfin_pix_abs8_xy2;
228 
229 
230  c->sse[0] = ff_bfin_sse16;
231  c->sse[1] = ff_bfin_sse8;
232  c->sse[2] = ff_bfin_sse4;
233 
234  if (!high_bit_depth) {
239 
240  c->put_pixels_tab[1][0] = bfin_put_pixels8;
244 
248 /* c->put_no_rnd_pixels_tab[1][3] = ff_bfin_put_pixels8_xy2_nornd; */
249 
253 /* c->put_no_rnd_pixels_tab[0][3] = ff_bfin_put_pixels16_xy2_nornd; */
254  }
255 
256  if (avctx->bits_per_raw_sample <= 8) {
257  if (avctx->dct_algo == FF_DCT_AUTO)
258  c->fdct = ff_bfin_fdct;
259 
260  if (avctx->idct_algo == FF_IDCT_VP3) {
262  c->idct = ff_bfin_vp3_idct;
265  } else if (avctx->idct_algo == FF_IDCT_AUTO) {
267  c->idct = ff_bfin_idct;
268  c->idct_add = bfin_idct_add;
269  c->idct_put = bfin_idct_put;
270  }
271  }
272 }