Commit | Line | Data |
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04d7f601 DB |
1 | /* |
2 | * (c) 2001 Fabrice Bellard | |
3ac35bdb | 3 | * 2007 Marc Hoffman <marc.hoffman@analog.com> |
04d7f601 | 4 | * |
b78e7197 DB |
5 | * This file is part of FFmpeg. |
6 | * | |
7 | * FFmpeg is free software; you can redistribute it and/or | |
04d7f601 DB |
8 | * modify it under the terms of the GNU Lesser General Public |
9 | * License as published by the Free Software Foundation; either | |
b78e7197 | 10 | * version 2.1 of the License, or (at your option) any later version. |
04d7f601 | 11 | * |
b78e7197 | 12 | * FFmpeg is distributed in the hope that it will be useful, |
04d7f601 DB |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
b78e7197 | 18 | * License along with FFmpeg; if not, write to the Free Software |
04d7f601 DB |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
20 | */ | |
21 | ||
983e3246 MN |
22 | /** |
23 | * @file dct-test.c | |
115329f1 | 24 | * DCT test. (c) 2001 Fabrice Bellard. |
983e3246 MN |
25 | * Started from sample code by Juan J. Sierralta P. |
26 | */ | |
27 | ||
de6d9b64 FB |
28 | #include <stdlib.h> |
29 | #include <stdio.h> | |
30 | #include <string.h> | |
31 | #include <sys/time.h> | |
32 | #include <unistd.h> | |
12807c8d | 33 | #include <math.h> |
de6d9b64 | 34 | |
ae32e509 | 35 | #include "libavutil/common.h" |
de6d9b64 FB |
36 | #include "dsputil.h" |
37 | ||
86748dbc | 38 | #include "simple_idct.h" |
65e4c8c9 | 39 | #include "faandct.h" |
6f08c541 | 40 | #include "faanidct.h" |
54a0b6e5 | 41 | #include "i386/idct_xvid.h" |
9e1586fc | 42 | |
434df899 | 43 | #undef printf |
cc61f96f | 44 | #undef random |
434df899 MN |
45 | |
46 | void *fast_memcpy(void *a, const void *b, size_t c){return memcpy(a,b,c);}; | |
47 | ||
9e1586fc | 48 | /* reference fdct/idct */ |
de6d9b64 | 49 | extern void fdct(DCTELEM *block); |
9e1586fc | 50 | extern void idct(DCTELEM *block); |
de6d9b64 FB |
51 | extern void init_fdct(); |
52 | ||
9e1586fc FB |
53 | extern void ff_mmx_idct(DCTELEM *data); |
54 | extern void ff_mmxext_idct(DCTELEM *data); | |
55 | ||
86748dbc MN |
56 | extern void odivx_idct_c (short *block); |
57 | ||
3ac35bdb MH |
58 | // BFIN |
59 | extern void ff_bfin_idct (DCTELEM *block) ; | |
60 | extern void ff_bfin_fdct (DCTELEM *block) ; | |
61 | ||
62 | // ALTIVEC | |
63 | extern void fdct_altivec (DCTELEM *block); | |
64 | //extern void idct_altivec (DCTELEM *block);?? no routine | |
65 | ||
66 | ||
67 | struct algo { | |
f5b67781 | 68 | const char *name; |
3ac35bdb MH |
69 | enum { FDCT, IDCT } is_idct; |
70 | void (* func) (DCTELEM *block); | |
71 | void (* ref) (DCTELEM *block); | |
dce292bb | 72 | enum formattag { NO_PERM,MMX_PERM, MMX_SIMPLE_PERM, SCALE_PERM, SSE2_PERM } format; |
3794b928 | 73 | int mm_support; |
3ac35bdb MH |
74 | }; |
75 | ||
76 | #ifndef FAAN_POSTSCALE | |
77 | #define FAAN_SCALE SCALE_PERM | |
78 | #else | |
79 | #define FAAN_SCALE NO_PERM | |
80 | #endif | |
81 | ||
3ac35bdb | 82 | struct algo algos[] = { |
1a7ee380 AS |
83 | {"REF-DBL", 0, fdct, fdct, NO_PERM}, |
84 | {"FAAN", 0, ff_faandct, fdct, FAAN_SCALE}, | |
85 | {"FAANI", 1, ff_faanidct, idct, NO_PERM}, | |
86 | {"IJG-AAN-INT", 0, fdct_ifast, fdct, SCALE_PERM}, | |
87 | {"IJG-LLM-INT", 0, ff_jpeg_fdct_islow, fdct, NO_PERM}, | |
88 | {"REF-DBL", 1, idct, idct, NO_PERM}, | |
89 | {"INT", 1, j_rev_dct, idct, MMX_PERM}, | |
90 | {"SIMPLE-C", 1, ff_simple_idct, idct, NO_PERM}, | |
3ac35bdb | 91 | |
ee3035f3 | 92 | #ifdef HAVE_MMX |
3794b928 | 93 | {"MMX", 0, ff_fdct_mmx, fdct, NO_PERM, MM_MMX}, |
94254fc0 | 94 | #ifdef HAVE_MMX2 |
3794b928 | 95 | {"MMX2", 0, ff_fdct_mmx2, fdct, NO_PERM, MM_MMXEXT}, |
94254fc0 | 96 | #endif |
3ac35bdb | 97 | |
b9702de5 | 98 | #ifdef CONFIG_GPL |
3794b928 AS |
99 | {"LIBMPEG2-MMX", 1, ff_mmx_idct, idct, MMX_PERM, MM_MMX}, |
100 | {"LIBMPEG2-MMXEXT", 1, ff_mmxext_idct, idct, MMX_PERM, MM_MMXEXT}, | |
b9702de5 | 101 | #endif |
3794b928 AS |
102 | {"SIMPLE-MMX", 1, ff_simple_idct_mmx, idct, MMX_SIMPLE_PERM, MM_MMX}, |
103 | {"XVID-MMX", 1, ff_idct_xvid_mmx, idct, NO_PERM, MM_MMX}, | |
104 | {"XVID-MMX2", 1, ff_idct_xvid_mmx2, idct, NO_PERM, MM_MMXEXT}, | |
ad246860 | 105 | {"XVID-SSE2", 1, ff_idct_xvid_sse2, idct, SSE2_PERM, MM_SSE2}, |
3ac35bdb MH |
106 | #endif |
107 | ||
108 | #ifdef HAVE_ALTIVEC | |
3794b928 | 109 | {"altivecfdct", 0, fdct_altivec, fdct, NO_PERM, MM_ALTIVEC}, |
3ac35bdb MH |
110 | #endif |
111 | ||
112 | #ifdef ARCH_BFIN | |
1a7ee380 AS |
113 | {"BFINfdct", 0, ff_bfin_fdct, fdct, NO_PERM}, |
114 | {"BFINidct", 1, ff_bfin_idct, idct, NO_PERM}, | |
3ac35bdb MH |
115 | #endif |
116 | ||
117 | { 0 } | |
118 | }; | |
119 | ||
de6d9b64 FB |
120 | #define AANSCALE_BITS 12 |
121 | static const unsigned short aanscales[64] = { | |
122 | /* precomputed values scaled up by 14 bits */ | |
123 | 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, | |
124 | 22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270, | |
125 | 21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906, | |
126 | 19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315, | |
127 | 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, | |
128 | 12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552, | |
129 | 8867, 12299, 11585, 10426, 8867, 6967, 4799, 2446, | |
130 | 4520, 6270, 5906, 5315, 4520, 3552, 2446, 1247 | |
131 | }; | |
132 | ||
486497e0 | 133 | uint8_t cropTbl[256 + 2 * MAX_NEG_CROP]; |
86748dbc | 134 | |
0c1a9eda | 135 | int64_t gettime(void) |
de6d9b64 FB |
136 | { |
137 | struct timeval tv; | |
138 | gettimeofday(&tv,NULL); | |
0c1a9eda | 139 | return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec; |
de6d9b64 FB |
140 | } |
141 | ||
142 | #define NB_ITS 20000 | |
143 | #define NB_ITS_SPEED 50000 | |
144 | ||
9e1586fc FB |
145 | static short idct_mmx_perm[64]; |
146 | ||
86748dbc | 147 | static short idct_simple_mmx_perm[64]={ |
bb270c08 DB |
148 | 0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D, |
149 | 0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D, | |
150 | 0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D, | |
151 | 0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F, | |
152 | 0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F, | |
153 | 0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D, | |
154 | 0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F, | |
155 | 0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F, | |
86748dbc MN |
156 | }; |
157 | ||
ad246860 AS |
158 | static const uint8_t idct_sse2_row_perm[8] = {0, 4, 1, 5, 2, 6, 3, 7}; |
159 | ||
9e1586fc FB |
160 | void idct_mmx_init(void) |
161 | { | |
162 | int i; | |
163 | ||
164 | /* the mmx/mmxext idct uses a reordered input, so we patch scan tables */ | |
165 | for (i = 0; i < 64; i++) { | |
bb270c08 DB |
166 | idct_mmx_perm[i] = (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2); |
167 | // idct_simple_mmx_perm[i] = simple_block_permute_op(i); | |
9e1586fc FB |
168 | } |
169 | } | |
170 | ||
55727a83 | 171 | static DCTELEM block[64] __attribute__ ((aligned (16))); |
9e1586fc | 172 | static DCTELEM block1[64] __attribute__ ((aligned (8))); |
86748dbc | 173 | static DCTELEM block_org[64] __attribute__ ((aligned (8))); |
9e1586fc FB |
174 | |
175 | void dct_error(const char *name, int is_idct, | |
176 | void (*fdct_func)(DCTELEM *block), | |
3ac35bdb | 177 | void (*fdct_ref)(DCTELEM *block), int form, int test) |
de6d9b64 FB |
178 | { |
179 | int it, i, scale; | |
de6d9b64 | 180 | int err_inf, v; |
0c1a9eda ZK |
181 | int64_t err2, ti, ti1, it1; |
182 | int64_t sysErr[64], sysErrMax=0; | |
86748dbc | 183 | int maxout=0; |
86748dbc | 184 | int blockSumErrMax=0, blockSumErr; |
de6d9b64 FB |
185 | |
186 | srandom(0); | |
187 | ||
188 | err_inf = 0; | |
189 | err2 = 0; | |
86748dbc | 190 | for(i=0; i<64; i++) sysErr[i]=0; |
de6d9b64 | 191 | for(it=0;it<NB_ITS;it++) { |
86748dbc MN |
192 | for(i=0;i<64;i++) |
193 | block1[i] = 0; | |
194 | switch(test){ | |
115329f1 | 195 | case 0: |
86748dbc MN |
196 | for(i=0;i<64;i++) |
197 | block1[i] = (random() % 512) -256; | |
ad324c93 | 198 | if (is_idct){ |
86748dbc | 199 | fdct(block1); |
ad324c93 MN |
200 | |
201 | for(i=0;i<64;i++) | |
202 | block1[i]>>=3; | |
203 | } | |
86748dbc MN |
204 | break; |
205 | case 1:{ | |
206 | int num= (random()%10)+1; | |
207 | for(i=0;i<num;i++) | |
208 | block1[random()%64] = (random() % 512) -256; | |
209 | }break; | |
210 | case 2: | |
211 | block1[0]= (random()%4096)-2048; | |
212 | block1[63]= (block1[0]&1)^1; | |
213 | break; | |
214 | } | |
9e1586fc | 215 | |
86748dbc MN |
216 | #if 0 // simulate mismatch control |
217 | { int sum=0; | |
218 | for(i=0;i<64;i++) | |
219 | sum+=block1[i]; | |
220 | ||
115329f1 | 221 | if((sum&1)==0) block1[63]^=1; |
86748dbc MN |
222 | } |
223 | #endif | |
224 | ||
225 | for(i=0; i<64; i++) | |
226 | block_org[i]= block1[i]; | |
9e1586fc | 227 | |
3ac35bdb | 228 | if (form == MMX_PERM) { |
86748dbc | 229 | for(i=0;i<64;i++) |
9e1586fc | 230 | block[idct_mmx_perm[i]] = block1[i]; |
3ac35bdb | 231 | } else if (form == MMX_SIMPLE_PERM) { |
86748dbc MN |
232 | for(i=0;i<64;i++) |
233 | block[idct_simple_mmx_perm[i]] = block1[i]; | |
234 | ||
ad246860 AS |
235 | } else if (form == SSE2_PERM) { |
236 | for(i=0; i<64; i++) | |
237 | block[(i&0x38) | idct_sse2_row_perm[i&7]] = block1[i]; | |
bb270c08 | 238 | } else { |
86748dbc MN |
239 | for(i=0; i<64; i++) |
240 | block[i]= block1[i]; | |
9e1586fc | 241 | } |
86748dbc MN |
242 | #if 0 // simulate mismatch control for tested IDCT but not the ref |
243 | { int sum=0; | |
244 | for(i=0;i<64;i++) | |
245 | sum+=block[i]; | |
246 | ||
115329f1 | 247 | if((sum&1)==0) block[63]^=1; |
86748dbc MN |
248 | } |
249 | #endif | |
9e1586fc | 250 | |
de6d9b64 | 251 | fdct_func(block); |
19ef2ba5 | 252 | emms_c(); /* for ff_mmx_idct */ |
9e1586fc | 253 | |
3ac35bdb | 254 | if (form == SCALE_PERM) { |
de6d9b64 | 255 | for(i=0; i<64; i++) { |
ad324c93 | 256 | scale = 8*(1 << (AANSCALE_BITS + 11)) / aanscales[i]; |
86748dbc MN |
257 | block[i] = (block[i] * scale /*+ (1<<(AANSCALE_BITS-1))*/) >> AANSCALE_BITS; |
258 | } | |
259 | } | |
260 | ||
9e1586fc | 261 | fdct_ref(block1); |
de6d9b64 | 262 | |
86748dbc | 263 | blockSumErr=0; |
de6d9b64 FB |
264 | for(i=0;i<64;i++) { |
265 | v = abs(block[i] - block1[i]); | |
266 | if (v > err_inf) | |
267 | err_inf = v; | |
268 | err2 += v * v; | |
bb270c08 DB |
269 | sysErr[i] += block[i] - block1[i]; |
270 | blockSumErr += v; | |
271 | if( abs(block[i])>maxout) maxout=abs(block[i]); | |
de6d9b64 | 272 | } |
86748dbc MN |
273 | if(blockSumErrMax < blockSumErr) blockSumErrMax= blockSumErr; |
274 | #if 0 // print different matrix pairs | |
275 | if(blockSumErr){ | |
276 | printf("\n"); | |
277 | for(i=0; i<64; i++){ | |
278 | if((i&7)==0) printf("\n"); | |
279 | printf("%4d ", block_org[i]); | |
280 | } | |
281 | for(i=0; i<64; i++){ | |
282 | if((i&7)==0) printf("\n"); | |
283 | printf("%4d ", block[i] - block1[i]); | |
284 | } | |
285 | } | |
286 | #endif | |
287 | } | |
ae32e509 | 288 | for(i=0; i<64; i++) sysErrMax= FFMAX(sysErrMax, FFABS(sysErr[i])); |
115329f1 | 289 | |
86748dbc MN |
290 | #if 1 // dump systematic errors |
291 | for(i=0; i<64; i++){ | |
bb270c08 | 292 | if(i%8==0) printf("\n"); |
86748dbc | 293 | printf("%5d ", (int)sysErr[i]); |
de6d9b64 | 294 | } |
86748dbc MN |
295 | printf("\n"); |
296 | #endif | |
115329f1 | 297 | |
86748dbc | 298 | printf("%s %s: err_inf=%d err2=%0.8f syserr=%0.8f maxout=%d blockSumErr=%d\n", |
9e1586fc | 299 | is_idct ? "IDCT" : "DCT", |
86748dbc MN |
300 | name, err_inf, (double)err2 / NB_ITS / 64.0, (double)sysErrMax / NB_ITS, maxout, blockSumErrMax); |
301 | #if 1 //Speed test | |
de6d9b64 | 302 | /* speed test */ |
86748dbc MN |
303 | for(i=0;i<64;i++) |
304 | block1[i] = 0; | |
305 | switch(test){ | |
115329f1 | 306 | case 0: |
86748dbc MN |
307 | for(i=0;i<64;i++) |
308 | block1[i] = (random() % 512) -256; | |
ad324c93 | 309 | if (is_idct){ |
86748dbc | 310 | fdct(block1); |
ad324c93 MN |
311 | |
312 | for(i=0;i<64;i++) | |
313 | block1[i]>>=3; | |
314 | } | |
86748dbc MN |
315 | break; |
316 | case 1:{ | |
317 | case 2: | |
318 | block1[0] = (random() % 512) -256; | |
319 | block1[1] = (random() % 512) -256; | |
320 | block1[2] = (random() % 512) -256; | |
321 | block1[3] = (random() % 512) -256; | |
322 | }break; | |
323 | } | |
de6d9b64 | 324 | |
3ac35bdb | 325 | if (form == MMX_PERM) { |
86748dbc | 326 | for(i=0;i<64;i++) |
9e1586fc | 327 | block[idct_mmx_perm[i]] = block1[i]; |
3ac35bdb | 328 | } else if(form == MMX_SIMPLE_PERM) { |
86748dbc MN |
329 | for(i=0;i<64;i++) |
330 | block[idct_simple_mmx_perm[i]] = block1[i]; | |
331 | } else { | |
332 | for(i=0; i<64; i++) | |
333 | block[i]= block1[i]; | |
9e1586fc FB |
334 | } |
335 | ||
de6d9b64 FB |
336 | ti = gettime(); |
337 | it1 = 0; | |
338 | do { | |
339 | for(it=0;it<NB_ITS_SPEED;it++) { | |
86748dbc MN |
340 | for(i=0; i<64; i++) |
341 | block[i]= block1[i]; | |
342 | // memcpy(block, block1, sizeof(DCTELEM) * 64); | |
755bfeab | 343 | // do not memcpy especially not fastmemcpy because it does movntq !!! |
de6d9b64 FB |
344 | fdct_func(block); |
345 | } | |
346 | it1 += NB_ITS_SPEED; | |
347 | ti1 = gettime() - ti; | |
348 | } while (ti1 < 1000000); | |
19ef2ba5 | 349 | emms_c(); |
de6d9b64 | 350 | |
86748dbc | 351 | printf("%s %s: %0.1f kdct/s\n", |
9e1586fc | 352 | is_idct ? "IDCT" : "DCT", |
de6d9b64 | 353 | name, (double)it1 * 1000.0 / (double)ti1); |
86748dbc | 354 | #endif |
de6d9b64 FB |
355 | } |
356 | ||
0c1a9eda ZK |
357 | static uint8_t img_dest[64] __attribute__ ((aligned (8))); |
358 | static uint8_t img_dest1[64] __attribute__ ((aligned (8))); | |
a46a3ce4 | 359 | |
0c1a9eda | 360 | void idct248_ref(uint8_t *dest, int linesize, int16_t *block) |
a46a3ce4 FB |
361 | { |
362 | static int init; | |
363 | static double c8[8][8]; | |
364 | static double c4[4][4]; | |
365 | double block1[64], block2[64], block3[64]; | |
366 | double s, sum, v; | |
367 | int i, j, k; | |
368 | ||
369 | if (!init) { | |
370 | init = 1; | |
371 | ||
372 | for(i=0;i<8;i++) { | |
373 | sum = 0; | |
374 | for(j=0;j<8;j++) { | |
375 | s = (i==0) ? sqrt(1.0/8.0) : sqrt(1.0/4.0); | |
376 | c8[i][j] = s * cos(M_PI * i * (j + 0.5) / 8.0); | |
377 | sum += c8[i][j] * c8[i][j]; | |
378 | } | |
379 | } | |
115329f1 | 380 | |
a46a3ce4 FB |
381 | for(i=0;i<4;i++) { |
382 | sum = 0; | |
383 | for(j=0;j<4;j++) { | |
384 | s = (i==0) ? sqrt(1.0/4.0) : sqrt(1.0/2.0); | |
385 | c4[i][j] = s * cos(M_PI * i * (j + 0.5) / 4.0); | |
386 | sum += c4[i][j] * c4[i][j]; | |
387 | } | |
388 | } | |
389 | } | |
390 | ||
391 | /* butterfly */ | |
652f0197 | 392 | s = 0.5 * sqrt(2.0); |
a46a3ce4 FB |
393 | for(i=0;i<4;i++) { |
394 | for(j=0;j<8;j++) { | |
652f0197 FB |
395 | block1[8*(2*i)+j] = (block[8*(2*i)+j] + block[8*(2*i+1)+j]) * s; |
396 | block1[8*(2*i+1)+j] = (block[8*(2*i)+j] - block[8*(2*i+1)+j]) * s; | |
a46a3ce4 FB |
397 | } |
398 | } | |
399 | ||
400 | /* idct8 on lines */ | |
401 | for(i=0;i<8;i++) { | |
402 | for(j=0;j<8;j++) { | |
403 | sum = 0; | |
404 | for(k=0;k<8;k++) | |
405 | sum += c8[k][j] * block1[8*i+k]; | |
406 | block2[8*i+j] = sum; | |
407 | } | |
408 | } | |
409 | ||
410 | /* idct4 */ | |
411 | for(i=0;i<8;i++) { | |
412 | for(j=0;j<4;j++) { | |
413 | /* top */ | |
414 | sum = 0; | |
415 | for(k=0;k<4;k++) | |
416 | sum += c4[k][j] * block2[8*(2*k)+i]; | |
417 | block3[8*(2*j)+i] = sum; | |
418 | ||
419 | /* bottom */ | |
420 | sum = 0; | |
421 | for(k=0;k<4;k++) | |
422 | sum += c4[k][j] * block2[8*(2*k+1)+i]; | |
423 | block3[8*(2*j+1)+i] = sum; | |
424 | } | |
425 | } | |
426 | ||
427 | /* clamp and store the result */ | |
428 | for(i=0;i<8;i++) { | |
429 | for(j=0;j<8;j++) { | |
652f0197 | 430 | v = block3[8*i+j]; |
a46a3ce4 FB |
431 | if (v < 0) |
432 | v = 0; | |
433 | else if (v > 255) | |
434 | v = 255; | |
435 | dest[i * linesize + j] = (int)rint(v); | |
436 | } | |
437 | } | |
438 | } | |
439 | ||
115329f1 | 440 | void idct248_error(const char *name, |
0c1a9eda | 441 | void (*idct248_put)(uint8_t *dest, int line_size, int16_t *block)) |
a46a3ce4 FB |
442 | { |
443 | int it, i, it1, ti, ti1, err_max, v; | |
444 | ||
445 | srandom(0); | |
115329f1 | 446 | |
a46a3ce4 FB |
447 | /* just one test to see if code is correct (precision is less |
448 | important here) */ | |
449 | err_max = 0; | |
450 | for(it=0;it<NB_ITS;it++) { | |
115329f1 | 451 | |
652f0197 FB |
452 | /* XXX: use forward transform to generate values */ |
453 | for(i=0;i<64;i++) | |
454 | block1[i] = (random() % 256) - 128; | |
455 | block1[0] += 1024; | |
456 | ||
a46a3ce4 FB |
457 | for(i=0; i<64; i++) |
458 | block[i]= block1[i]; | |
459 | idct248_ref(img_dest1, 8, block); | |
115329f1 | 460 | |
652f0197 FB |
461 | for(i=0; i<64; i++) |
462 | block[i]= block1[i]; | |
463 | idct248_put(img_dest, 8, block); | |
115329f1 | 464 | |
652f0197 FB |
465 | for(i=0;i<64;i++) { |
466 | v = abs((int)img_dest[i] - (int)img_dest1[i]); | |
467 | if (v == 255) | |
468 | printf("%d %d\n", img_dest[i], img_dest1[i]); | |
469 | if (v > err_max) | |
470 | err_max = v; | |
471 | } | |
a46a3ce4 FB |
472 | #if 0 |
473 | printf("ref=\n"); | |
474 | for(i=0;i<8;i++) { | |
475 | int j; | |
476 | for(j=0;j<8;j++) { | |
477 | printf(" %3d", img_dest1[i*8+j]); | |
478 | } | |
479 | printf("\n"); | |
480 | } | |
115329f1 | 481 | |
a46a3ce4 FB |
482 | printf("out=\n"); |
483 | for(i=0;i<8;i++) { | |
484 | int j; | |
485 | for(j=0;j<8;j++) { | |
486 | printf(" %3d", img_dest[i*8+j]); | |
487 | } | |
488 | printf("\n"); | |
489 | } | |
490 | #endif | |
a46a3ce4 FB |
491 | } |
492 | printf("%s %s: err_inf=%d\n", | |
493 | 1 ? "IDCT248" : "DCT248", | |
494 | name, err_max); | |
495 | ||
496 | ti = gettime(); | |
497 | it1 = 0; | |
498 | do { | |
499 | for(it=0;it<NB_ITS_SPEED;it++) { | |
500 | for(i=0; i<64; i++) | |
501 | block[i]= block1[i]; | |
502 | // memcpy(block, block1, sizeof(DCTELEM) * 64); | |
755bfeab | 503 | // do not memcpy especially not fastmemcpy because it does movntq !!! |
a46a3ce4 FB |
504 | idct248_put(img_dest, 8, block); |
505 | } | |
506 | it1 += NB_ITS_SPEED; | |
507 | ti1 = gettime() - ti; | |
508 | } while (ti1 < 1000000); | |
19ef2ba5 | 509 | emms_c(); |
a46a3ce4 FB |
510 | |
511 | printf("%s %s: %0.1f kdct/s\n", | |
512 | 1 ? "IDCT248" : "DCT248", | |
513 | name, (double)it1 * 1000.0 / (double)ti1); | |
514 | } | |
515 | ||
9e1586fc FB |
516 | void help(void) |
517 | { | |
86748dbc MN |
518 | printf("dct-test [-i] [<test-number>]\n" |
519 | "test-number 0 -> test with random matrixes\n" | |
520 | " 1 -> test with random sparse matrixes\n" | |
521 | " 2 -> do 3. test from mpeg4 std\n" | |
a46a3ce4 FB |
522 | "-i test IDCT implementations\n" |
523 | "-4 test IDCT248 implementations\n"); | |
9e1586fc FB |
524 | } |
525 | ||
de6d9b64 FB |
526 | int main(int argc, char **argv) |
527 | { | |
a46a3ce4 | 528 | int test_idct = 0, test_248_dct = 0; |
86748dbc MN |
529 | int c,i; |
530 | int test=1; | |
dafe8824 | 531 | int cpu_flags = mm_support(); |
9e1586fc | 532 | |
de6d9b64 | 533 | init_fdct(); |
9e1586fc | 534 | idct_mmx_init(); |
f67a10cd | 535 | |
486497e0 | 536 | for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i; |
86748dbc | 537 | for(i=0;i<MAX_NEG_CROP;i++) { |
486497e0 MR |
538 | cropTbl[i] = 0; |
539 | cropTbl[i + MAX_NEG_CROP + 256] = 255; | |
86748dbc | 540 | } |
115329f1 | 541 | |
9e1586fc | 542 | for(;;) { |
a46a3ce4 | 543 | c = getopt(argc, argv, "ih4"); |
9e1586fc FB |
544 | if (c == -1) |
545 | break; | |
546 | switch(c) { | |
547 | case 'i': | |
548 | test_idct = 1; | |
549 | break; | |
a46a3ce4 FB |
550 | case '4': |
551 | test_248_dct = 1; | |
552 | break; | |
86748dbc | 553 | default : |
9e1586fc FB |
554 | case 'h': |
555 | help(); | |
c6bdc908 | 556 | return 0; |
9e1586fc FB |
557 | } |
558 | } | |
115329f1 | 559 | |
86748dbc | 560 | if(optind <argc) test= atoi(argv[optind]); |
115329f1 | 561 | |
9e1586fc FB |
562 | printf("ffmpeg DCT/IDCT test\n"); |
563 | ||
a46a3ce4 | 564 | if (test_248_dct) { |
59e6f60a | 565 | idct248_error("SIMPLE-C", ff_simple_idct248_put); |
9e1586fc | 566 | } else { |
3ac35bdb | 567 | for (i=0;algos[i].name;i++) |
dafe8824 | 568 | if (algos[i].is_idct == test_idct && !(~cpu_flags & algos[i].mm_support)) { |
3ac35bdb | 569 | dct_error (algos[i].name, algos[i].is_idct, algos[i].func, algos[i].ref, algos[i].format, test); |
a46a3ce4 | 570 | } |
9e1586fc | 571 | } |
de6d9b64 FB |
572 | return 0; |
573 | } |