/*
* (c) 2001 Fabrice Bellard
+ * 2007 Marc Hoffman <marc.hoffman@analog.com>
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of Libav.
+ *
+ * Libav 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * Libav 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 this library; if not, write to the Free Software
+ * License along with Libav; 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.
+ * @file
+ * DCT test (c) 2001 Fabrice Bellard
* Started from sample code by Juan J. Sierralta P.
*/
#include <string.h>
#include <sys/time.h>
#include <unistd.h>
+#include <math.h>
-#include "dsputil.h"
+#include "libavutil/cpu.h"
+#include "libavutil/common.h"
+#include "libavutil/lfg.h"
#include "simple_idct.h"
+#include "aandcttab.h"
#include "faandct.h"
+#include "faanidct.h"
+#include "x86/idct_xvid.h"
+#include "dctref.h"
+
+#undef printf
+
+void ff_mmx_idct(DCTELEM *data);
+void ff_mmxext_idct(DCTELEM *data);
+
+void odivx_idct_c(short *block);
+
+// BFIN
+void ff_bfin_idct(DCTELEM *block);
+void ff_bfin_fdct(DCTELEM *block);
+
+// ALTIVEC
+void fdct_altivec(DCTELEM *block);
+//void idct_altivec(DCTELEM *block);?? no routine
-#ifndef MAX
-#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+// ARM
+void ff_j_rev_dct_arm(DCTELEM *data);
+void ff_simple_idct_arm(DCTELEM *data);
+void ff_simple_idct_armv5te(DCTELEM *data);
+void ff_simple_idct_armv6(DCTELEM *data);
+void ff_simple_idct_neon(DCTELEM *data);
+
+void ff_simple_idct_axp(DCTELEM *data);
+
+struct algo {
+ const char *name;
+ enum { FDCT, IDCT } is_idct;
+ void (* func) (DCTELEM *block);
+ void (* ref) (DCTELEM *block);
+ enum formattag { NO_PERM,MMX_PERM, MMX_SIMPLE_PERM, SCALE_PERM, SSE2_PERM, PARTTRANS_PERM } format;
+ int mm_support;
+};
+
+#ifndef FAAN_POSTSCALE
+#define FAAN_SCALE SCALE_PERM
+#else
+#define FAAN_SCALE NO_PERM
#endif
-#undef printf
+static int cpu_flags;
+
+struct algo algos[] = {
+ {"REF-DBL", 0, ff_ref_fdct, ff_ref_fdct, NO_PERM},
+ {"FAAN", 0, ff_faandct, ff_ref_fdct, FAAN_SCALE},
+ {"FAANI", 1, ff_faanidct, ff_ref_idct, NO_PERM},
+ {"IJG-AAN-INT", 0, fdct_ifast, ff_ref_fdct, SCALE_PERM},
+ {"IJG-LLM-INT", 0, ff_jpeg_fdct_islow, ff_ref_fdct, NO_PERM},
+ {"REF-DBL", 1, ff_ref_idct, ff_ref_idct, NO_PERM},
+ {"INT", 1, j_rev_dct, ff_ref_idct, MMX_PERM},
+ {"SIMPLE-C", 1, ff_simple_idct, ff_ref_idct, NO_PERM},
+
+#if HAVE_MMX
+ {"MMX", 0, ff_fdct_mmx, ff_ref_fdct, NO_PERM, AV_CPU_FLAG_MMX},
+#if HAVE_MMX2
+ {"MMX2", 0, ff_fdct_mmx2, ff_ref_fdct, NO_PERM, AV_CPU_FLAG_MMX2},
+ {"SSE2", 0, ff_fdct_sse2, ff_ref_fdct, NO_PERM, AV_CPU_FLAG_SSE2},
+#endif
-void *fast_memcpy(void *a, const void *b, size_t c){return memcpy(a,b,c);};
+#if CONFIG_GPL
+ {"LIBMPEG2-MMX", 1, ff_mmx_idct, ff_ref_idct, MMX_PERM, AV_CPU_FLAG_MMX},
+ {"LIBMPEG2-MMX2", 1, ff_mmxext_idct, ff_ref_idct, MMX_PERM, AV_CPU_FLAG_MMX2},
+#endif
+ {"SIMPLE-MMX", 1, ff_simple_idct_mmx, ff_ref_idct, MMX_SIMPLE_PERM, AV_CPU_FLAG_MMX},
+ {"XVID-MMX", 1, ff_idct_xvid_mmx, ff_ref_idct, NO_PERM, AV_CPU_FLAG_MMX},
+ {"XVID-MMX2", 1, ff_idct_xvid_mmx2, ff_ref_idct, NO_PERM, AV_CPU_FLAG_MMX2},
+ {"XVID-SSE2", 1, ff_idct_xvid_sse2, ff_ref_idct, SSE2_PERM, AV_CPU_FLAG_SSE2},
+#endif
-/* 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();
+#if HAVE_ALTIVEC
+ {"altivecfdct", 0, fdct_altivec, ff_ref_fdct, NO_PERM, AV_CPU_FLAG_ALTIVEC},
+#endif
-extern void j_rev_dct(DCTELEM *data);
-extern void ff_mmx_idct(DCTELEM *data);
-extern void ff_mmxext_idct(DCTELEM *data);
+#if ARCH_BFIN
+ {"BFINfdct", 0, ff_bfin_fdct, ff_ref_fdct, NO_PERM},
+ {"BFINidct", 1, ff_bfin_idct, ff_ref_idct, NO_PERM},
+#endif
-extern void odivx_idct_c (short *block);
+#if ARCH_ARM
+ {"SIMPLE-ARM", 1, ff_simple_idct_arm, ff_ref_idct, NO_PERM },
+ {"INT-ARM", 1, ff_j_rev_dct_arm, ff_ref_idct, MMX_PERM },
+#if HAVE_ARMV5TE
+ {"SIMPLE-ARMV5TE", 1, ff_simple_idct_armv5te, ff_ref_idct, NO_PERM },
+#endif
+#if HAVE_ARMV6
+ {"SIMPLE-ARMV6", 1, ff_simple_idct_armv6, ff_ref_idct, MMX_PERM },
+#endif
+#if HAVE_NEON
+ {"SIMPLE-NEON", 1, ff_simple_idct_neon, ff_ref_idct, PARTTRANS_PERM },
+#endif
+#endif /* ARCH_ARM */
-#define AANSCALE_BITS 12
-static const unsigned short aanscales[64] = {
- /* precomputed values scaled up by 14 bits */
- 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
- 22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270,
- 21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906,
- 19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315,
- 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
- 12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552,
- 8867, 12299, 11585, 10426, 8867, 6967, 4799, 2446,
- 4520, 6270, 5906, 5315, 4520, 3552, 2446, 1247
+#if ARCH_ALPHA
+ {"SIMPLE-ALPHA", 1, ff_simple_idct_axp, ff_ref_idct, NO_PERM },
+#endif
+
+ { 0 }
};
+#define AANSCALE_BITS 12
+
uint8_t cropTbl[256 + 2 * MAX_NEG_CROP];
-int64_t gettime(void)
+static int64_t gettime(void)
{
struct timeval tv;
gettimeofday(&tv,NULL);
0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
};
-void idct_mmx_init(void)
+static const uint8_t idct_sse2_row_perm[8] = {0, 4, 1, 5, 2, 6, 3, 7};
+
+static void idct_mmx_init(void)
{
int i;
}
}
-static DCTELEM block[64] __attribute__ ((aligned (8)));
-static DCTELEM block1[64] __attribute__ ((aligned (8)));
-static DCTELEM block_org[64] __attribute__ ((aligned (8)));
+DECLARE_ALIGNED(16, static DCTELEM, block)[64];
+DECLARE_ALIGNED(8, static DCTELEM, block1)[64];
+DECLARE_ALIGNED(8, static DCTELEM, block_org)[64];
-void dct_error(const char *name, int is_idct,
+static inline void mmx_emms(void)
+{
+#if HAVE_MMX
+ if (cpu_flags & AV_CPU_FLAG_MMX)
+ __asm__ volatile ("emms\n\t");
+#endif
+}
+
+static void dct_error(const char *name, int is_idct,
void (*fdct_func)(DCTELEM *block),
- void (*fdct_ref)(DCTELEM *block), int test)
+ void (*fdct_ref)(DCTELEM *block), int form, int test)
{
int it, i, scale;
int err_inf, v;
int64_t sysErr[64], sysErrMax=0;
int maxout=0;
int blockSumErrMax=0, blockSumErr;
+ AVLFG prng;
- srandom(0);
+ av_lfg_init(&prng, 1);
err_inf = 0;
err2 = 0;
switch(test){
case 0:
for(i=0;i<64;i++)
- block1[i] = (random() % 512) -256;
+ block1[i] = (av_lfg_get(&prng) % 512) -256;
if (is_idct){
- fdct(block1);
+ ff_ref_fdct(block1);
for(i=0;i<64;i++)
block1[i]>>=3;
}
break;
case 1:{
- int num= (random()%10)+1;
+ int num = av_lfg_get(&prng) % 10 + 1;
for(i=0;i<num;i++)
- block1[random()%64] = (random() % 512) -256;
+ block1[av_lfg_get(&prng) % 64] = av_lfg_get(&prng) % 512 -256;
}break;
case 2:
- block1[0]= (random()%4096)-2048;
+ block1[0] = av_lfg_get(&prng) % 4096 - 2048;
block1[63]= (block1[0]&1)^1;
break;
}
for(i=0; i<64; i++)
block_org[i]= block1[i];
- if (fdct_func == ff_mmx_idct ||
- fdct_func == j_rev_dct || fdct_func == ff_mmxext_idct) {
+ if (form == MMX_PERM) {
for(i=0;i<64;i++)
block[idct_mmx_perm[i]] = block1[i];
- } else if(fdct_func == ff_simple_idct_mmx ) {
+ } else if (form == MMX_SIMPLE_PERM) {
for(i=0;i<64;i++)
block[idct_simple_mmx_perm[i]] = block1[i];
+ } else if (form == SSE2_PERM) {
+ for(i=0; i<64; i++)
+ block[(i&0x38) | idct_sse2_row_perm[i&7]] = block1[i];
+ } else if (form == PARTTRANS_PERM) {
+ for(i=0; i<64; i++)
+ block[(i&0x24) | ((i&3)<<3) | ((i>>3)&3)] = block1[i];
} else {
for(i=0; i<64; i++)
block[i]= block1[i];
#endif
fdct_func(block);
- emms(); /* for ff_mmx_idct */
+ mmx_emms();
- if (fdct_func == fdct_ifast
-#ifndef FAAN_POSTSCALE
- || fdct_func == ff_faandct
-#endif
- ) {
+ if (form == SCALE_PERM) {
for(i=0; i<64; i++) {
- scale = 8*(1 << (AANSCALE_BITS + 11)) / aanscales[i];
+ scale = 8*(1 << (AANSCALE_BITS + 11)) / ff_aanscales[i];
block[i] = (block[i] * scale /*+ (1<<(AANSCALE_BITS-1))*/) >> AANSCALE_BITS;
}
}
}
#endif
}
- for(i=0; i<64; i++) sysErrMax= MAX(sysErrMax, ABS(sysErr[i]));
+ for(i=0; i<64; i++) sysErrMax= FFMAX(sysErrMax, FFABS(sysErr[i]));
-#if 1 // dump systematic errors
for(i=0; i<64; i++){
if(i%8==0) printf("\n");
- printf("%5d ", (int)sysErr[i]);
+ printf("%7d ", (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);
-#if 1 //Speed test
+
/* speed test */
for(i=0;i<64;i++)
block1[i] = 0;
switch(test){
case 0:
for(i=0;i<64;i++)
- block1[i] = (random() % 512) -256;
+ block1[i] = av_lfg_get(&prng) % 512 -256;
if (is_idct){
- fdct(block1);
+ ff_ref_fdct(block1);
for(i=0;i<64;i++)
block1[i]>>=3;
break;
case 1:{
case 2:
- block1[0] = (random() % 512) -256;
- block1[1] = (random() % 512) -256;
- block1[2] = (random() % 512) -256;
- block1[3] = (random() % 512) -256;
+ block1[0] = av_lfg_get(&prng) % 512 -256;
+ block1[1] = av_lfg_get(&prng) % 512 -256;
+ block1[2] = av_lfg_get(&prng) % 512 -256;
+ block1[3] = av_lfg_get(&prng) % 512 -256;
}break;
}
- if (fdct_func == ff_mmx_idct ||
- fdct_func == j_rev_dct || fdct_func == ff_mmxext_idct) {
+ if (form == MMX_PERM) {
for(i=0;i<64;i++)
block[idct_mmx_perm[i]] = block1[i];
- } else if(fdct_func == ff_simple_idct_mmx ) {
+ } else if(form == MMX_SIMPLE_PERM) {
for(i=0;i<64;i++)
block[idct_simple_mmx_perm[i]] = block1[i];
} else {
for(i=0; i<64; i++)
block[i]= block1[i];
// memcpy(block, block1, sizeof(DCTELEM) * 64);
-// dont memcpy especially not fastmemcpy because it does movntq !!!
+// do not memcpy especially not fastmemcpy because it does movntq !!!
fdct_func(block);
}
it1 += NB_ITS_SPEED;
ti1 = gettime() - ti;
} while (ti1 < 1000000);
- emms();
+ mmx_emms();
printf("%s %s: %0.1f kdct/s\n",
is_idct ? "IDCT" : "DCT",
name, (double)it1 * 1000.0 / (double)ti1);
-#endif
}
-static uint8_t img_dest[64] __attribute__ ((aligned (8)));
-static uint8_t img_dest1[64] __attribute__ ((aligned (8)));
+DECLARE_ALIGNED(8, static uint8_t, img_dest)[64];
+DECLARE_ALIGNED(8, static uint8_t, img_dest1)[64];
-void idct248_ref(uint8_t *dest, int linesize, int16_t *block)
+static void idct248_ref(uint8_t *dest, int linesize, int16_t *block)
{
static int init;
static double c8[8][8];
}
}
-void idct248_error(const char *name,
+static 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);
+ AVLFG prng;
+
+ av_lfg_init(&prng, 1);
/* just one test to see if code is correct (precision is less
important here) */
/* XXX: use forward transform to generate values */
for(i=0;i<64;i++)
- block1[i] = (random() % 256) - 128;
+ block1[i] = av_lfg_get(&prng) % 256 - 128;
block1[0] += 1024;
for(i=0; i<64; i++)
if (v > err_max)
err_max = v;
}
-#if 0
- printf("ref=\n");
- for(i=0;i<8;i++) {
- int j;
- for(j=0;j<8;j++) {
- printf(" %3d", img_dest1[i*8+j]);
- }
- printf("\n");
- }
-
- printf("out=\n");
- for(i=0;i<8;i++) {
- int j;
- for(j=0;j<8;j++) {
- printf(" %3d", img_dest[i*8+j]);
- }
- printf("\n");
- }
-#endif
}
printf("%s %s: err_inf=%d\n",
1 ? "IDCT248" : "DCT248",
for(i=0; i<64; i++)
block[i]= block1[i];
// memcpy(block, block1, sizeof(DCTELEM) * 64);
-// dont memcpy especially not fastmemcpy because it does movntq !!!
+// do not memcpy especially not fastmemcpy because it does movntq !!!
idct248_put(img_dest, 8, block);
}
it1 += NB_ITS_SPEED;
ti1 = gettime() - ti;
} while (ti1 < 1000000);
- emms();
+ mmx_emms();
printf("%s %s: %0.1f kdct/s\n",
1 ? "IDCT248" : "DCT248",
name, (double)it1 * 1000.0 / (double)ti1);
}
-void help(void)
+static void help(void)
{
printf("dct-test [-i] [<test-number>]\n"
"test-number 0 -> test with random matrixes\n"
" 2 -> do 3. test from mpeg4 std\n"
"-i test IDCT implementations\n"
"-4 test IDCT248 implementations\n");
- exit(1);
}
int main(int argc, char **argv)
int test_idct = 0, test_248_dct = 0;
int c,i;
int test=1;
+ cpu_flags = av_get_cpu_flags();
- init_fdct();
+ ff_ref_dct_init();
idct_mmx_init();
for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i;
default :
case 'h':
help();
- break;
+ return 0;
}
}
printf("ffmpeg DCT/IDCT test\n");
if (test_248_dct) {
- idct248_error("SIMPLE-C", simple_idct248_put);
+ idct248_error("SIMPLE-C", ff_simple_idct248_put);
} else {
- if (!test_idct) {
- dct_error("REF-DBL", 0, fdct, fdct, test); /* only to verify code ! */
- 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-MMX", 1, ff_mmx_idct, 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("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);
- // dct_error("SIMPLE-C", 1, simple_idct, odivx_idct_c);
- // dct_error("SIMPLE-MMX", 1, ff_simple_idct_mmx, odivx_idct_c);
- // dct_error("ODIVX-C", 1, odivx_idct_c, odivx_idct_c);
+ for (i=0;algos[i].name;i++)
+ if (algos[i].is_idct == test_idct && !(~cpu_flags & algos[i].mm_support)) {
+ dct_error (algos[i].name, algos[i].is_idct, algos[i].func, algos[i].ref, algos[i].format, test);
}
}
return 0;
projects / ffmpeg / blobdiff