-/* DCT test. (c) 2001 Fabrice Bellard.
- Started from sample code by Juan J. Sierralta P.
-*/
+/*
+ * (c) 2001 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file dct-test.c
+ * DCT test. (c) 2001 Fabrice Bellard.
+ * Started from sample code by Juan J. Sierralta P.
+ */
+
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "dsputil.h"
-#include "i386/mmx.h"
#include "simple_idct.h"
+#include "faandct.h"
#ifndef MAX
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
+#undef printf
+
+void *fast_memcpy(void *a, const void *b, size_t c){return memcpy(a,b,c);};
+
/* reference fdct/idct */
extern void fdct(DCTELEM *block);
extern void idct(DCTELEM *block);
+extern void ff_idct_xvid_mmx(DCTELEM *block);
+extern void ff_idct_xvid_mmx2(DCTELEM *block);
extern void init_fdct();
extern void j_rev_dct(DCTELEM *data);
static short idct_mmx_perm[64];
static short idct_simple_mmx_perm[64]={
- 0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
- 0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
- 0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
- 0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
- 0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
- 0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
- 0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
- 0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
+ 0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
+ 0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
+ 0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
+ 0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
+ 0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
+ 0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
+ 0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
+ 0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
};
void idct_mmx_init(void)
/* the mmx/mmxext idct uses a reordered input, so we patch scan tables */
for (i = 0; i < 64; i++) {
- idct_mmx_perm[i] = (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);
-// idct_simple_mmx_perm[i] = simple_block_permute_op(i);
+ idct_mmx_perm[i] = (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);
+// idct_simple_mmx_perm[i] = simple_block_permute_op(i);
}
}
for(i=0;i<64;i++)
block1[i] = 0;
switch(test){
- case 0:
+ case 0:
for(i=0;i<64;i++)
block1[i] = (random() % 512) -256;
if (is_idct){
for(i=0;i<64;i++)
sum+=block1[i];
- if((sum&1)==0) block1[63]^=1;
+ if((sum&1)==0) block1[63]^=1;
}
#endif
for(i=0;i<64;i++)
block[idct_simple_mmx_perm[i]] = block1[i];
- } else {
+ } else {
for(i=0; i<64; i++)
block[i]= block1[i];
}
for(i=0;i<64;i++)
sum+=block[i];
- if((sum&1)==0) block[63]^=1;
+ if((sum&1)==0) block[63]^=1;
}
#endif
fdct_func(block);
emms(); /* for ff_mmx_idct */
- if (fdct_func == fdct_ifast) {
+ if (fdct_func == fdct_ifast
+#ifndef FAAN_POSTSCALE
+ || fdct_func == ff_faandct
+#endif
+ ) {
for(i=0; i<64; i++) {
scale = 8*(1 << (AANSCALE_BITS + 11)) / aanscales[i];
block[i] = (block[i] * scale /*+ (1<<(AANSCALE_BITS-1))*/) >> AANSCALE_BITS;
if (v > err_inf)
err_inf = v;
err2 += v * v;
- sysErr[i] += block[i] - block1[i];
- blockSumErr += v;
- if( abs(block[i])>maxout) maxout=abs(block[i]);
+ sysErr[i] += block[i] - block1[i];
+ blockSumErr += v;
+ if( abs(block[i])>maxout) maxout=abs(block[i]);
}
if(blockSumErrMax < blockSumErr) blockSumErrMax= blockSumErr;
#if 0 // print different matrix pairs
}
#endif
}
- for(i=0; i<64; i++) sysErrMax= MAX(sysErrMax, ABS(sysErr[i]));
-
+ for(i=0; i<64; i++) sysErrMax= MAX(sysErrMax, FFABS(sysErr[i]));
+
#if 1 // dump systematic errors
for(i=0; i<64; i++){
- if(i%8==0) printf("\n");
+ if(i%8==0) printf("\n");
printf("%5d ", (int)sysErr[i]);
}
printf("\n");
#endif
-
+
printf("%s %s: err_inf=%d err2=%0.8f syserr=%0.8f maxout=%d blockSumErr=%d\n",
is_idct ? "IDCT" : "DCT",
name, err_inf, (double)err2 / NB_ITS / 64.0, (double)sysErrMax / NB_ITS, maxout, blockSumErrMax);
for(i=0;i<64;i++)
block1[i] = 0;
switch(test){
- case 0:
+ case 0:
for(i=0;i<64;i++)
block1[i] = (random() % 512) -256;
if (is_idct){
sum += c8[i][j] * c8[i][j];
}
}
-
+
for(i=0;i<4;i++) {
sum = 0;
for(j=0;j<4;j++) {
}
}
-void idct248_error(const char *name,
+void idct248_error(const char *name,
void (*idct248_put)(uint8_t *dest, int line_size, int16_t *block))
{
int it, i, it1, ti, ti1, err_max, v;
srandom(0);
-
+
/* just one test to see if code is correct (precision is less
important here) */
err_max = 0;
for(it=0;it<NB_ITS;it++) {
-
+
/* XXX: use forward transform to generate values */
for(i=0;i<64;i++)
block1[i] = (random() % 256) - 128;
for(i=0; i<64; i++)
block[i]= block1[i];
idct248_ref(img_dest1, 8, block);
-
+
for(i=0; i<64; i++)
block[i]= block1[i];
idct248_put(img_dest, 8, block);
-
+
for(i=0;i<64;i++) {
v = abs((int)img_dest[i] - (int)img_dest1[i]);
if (v == 255)
}
printf("\n");
}
-
+
printf("out=\n");
for(i=0;i<8;i++) {
int j;
cropTbl[i] = 0;
cropTbl[i + MAX_NEG_CROP + 256] = 255;
}
-
+
for(;;) {
c = getopt(argc, argv, "ih4");
if (c == -1)
break;
}
}
-
+
if(optind <argc) test= atoi(argv[optind]);
-
+
printf("ffmpeg DCT/IDCT test\n");
if (test_248_dct) {
dct_error("IJG-AAN-INT", 0, fdct_ifast, fdct, test);
dct_error("IJG-LLM-INT", 0, ff_jpeg_fdct_islow, fdct, test);
dct_error("MMX", 0, ff_fdct_mmx, fdct, test);
+ dct_error("MMX2", 0, ff_fdct_mmx2, fdct, test);
+ dct_error("FAAN", 0, ff_faandct, fdct, test);
} else {
dct_error("REF-DBL", 1, idct, idct, test);
dct_error("INT", 1, j_rev_dct, idct, test);
dct_error("LIBMPEG2-MMXEXT", 1, ff_mmxext_idct, idct, test);
dct_error("SIMPLE-C", 1, simple_idct, idct, test);
dct_error("SIMPLE-MMX", 1, ff_simple_idct_mmx, idct, test);
+ dct_error("XVID-MMX", 1, ff_idct_xvid_mmx, idct, test);
+ dct_error("XVID-MMX2", 1, ff_idct_xvid_mmx2, idct, test);
// dct_error("ODIVX-C", 1, odivx_idct_c, idct);
//printf(" test against odivx idct\n");
- // dct_error("REF", 1, idct, odivx_idct_c);
+ // dct_error("REF", 1, idct, odivx_idct_c);
// dct_error("INT", 1, j_rev_dct, odivx_idct_c);
// dct_error("MMX", 1, ff_mmx_idct, odivx_idct_c);
// dct_error("MMXEXT", 1, ff_mmxext_idct, odivx_idct_c);
projects / ffmpeg / blobdiff