* Started from sample code by Juan J. Sierralta P.
*/
+#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
-#include <sys/time.h>
+#if HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <math.h>
#include "libavutil/cpu.h"
#include "libavutil/common.h"
#include "libavutil/lfg.h"
+#include "libavutil/time.h"
+#include "dct.h"
#include "simple_idct.h"
#include "aandcttab.h"
#include "faandct.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);
+void ff_bfin_idct(int16_t *block);
+void ff_bfin_fdct(int16_t *block);
// ALTIVEC
-void fdct_altivec(DCTELEM *block);
-//void idct_altivec(DCTELEM *block);?? no routine
+void ff_fdct_altivec(int16_t *block);
// 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_j_rev_dct_arm(int16_t *data);
+void ff_simple_idct_arm(int16_t *data);
+void ff_simple_idct_armv5te(int16_t *data);
+void ff_simple_idct_armv6(int16_t *data);
+void ff_simple_idct_neon(int16_t *data);
-void ff_simple_idct_axp(DCTELEM *data);
+void ff_simple_idct_axp(int16_t *data);
struct algo {
const char *name;
- void (*func)(DCTELEM *block);
+ void (*func)(int16_t *block);
enum formattag { NO_PERM, MMX_PERM, MMX_SIMPLE_PERM, SCALE_PERM,
SSE2_PERM, PARTTRANS_PERM } format;
int mm_support;
int nonspec;
};
-#ifndef FAAN_POSTSCALE
-#define FAAN_SCALE SCALE_PERM
-#else
-#define FAAN_SCALE NO_PERM
-#endif
-
static int cpu_flags;
static const struct algo fdct_tab[] = {
{ "REF-DBL", ff_ref_fdct, NO_PERM },
- { "FAAN", ff_faandct, FAAN_SCALE },
- { "IJG-AAN-INT", fdct_ifast, SCALE_PERM },
- { "IJG-LLM-INT", ff_jpeg_fdct_islow, NO_PERM },
+ { "FAAN", ff_faandct, NO_PERM },
+ { "IJG-AAN-INT", ff_fdct_ifast, SCALE_PERM },
+ { "IJG-LLM-INT", ff_jpeg_fdct_islow_8, NO_PERM },
-#if HAVE_MMX
+#if HAVE_MMX_INLINE
{ "MMX", ff_fdct_mmx, NO_PERM, AV_CPU_FLAG_MMX },
- { "MMX2", ff_fdct_mmx2, NO_PERM, AV_CPU_FLAG_MMX2 },
+ { "MMXEXT", ff_fdct_mmxext, NO_PERM, AV_CPU_FLAG_MMXEXT },
{ "SSE2", ff_fdct_sse2, NO_PERM, AV_CPU_FLAG_SSE2 },
#endif
#if HAVE_ALTIVEC
- { "altivecfdct", fdct_altivec, NO_PERM, AV_CPU_FLAG_ALTIVEC },
+ { "altivecfdct", ff_fdct_altivec, NO_PERM, AV_CPU_FLAG_ALTIVEC },
#endif
#if ARCH_BFIN
static const struct algo idct_tab[] = {
{ "FAANI", ff_faanidct, NO_PERM },
{ "REF-DBL", ff_ref_idct, NO_PERM },
- { "INT", j_rev_dct, MMX_PERM },
+ { "INT", ff_j_rev_dct, MMX_PERM },
{ "SIMPLE-C", ff_simple_idct_8, NO_PERM },
-#if HAVE_MMX
-#if CONFIG_GPL
- { "LIBMPEG2-MMX", ff_mmx_idct, MMX_PERM, AV_CPU_FLAG_MMX, 1 },
- { "LIBMPEG2-MMX2", ff_mmxext_idct, MMX_PERM, AV_CPU_FLAG_MMX2, 1 },
-#endif
+#if HAVE_MMX_INLINE
{ "SIMPLE-MMX", ff_simple_idct_mmx, MMX_SIMPLE_PERM, AV_CPU_FLAG_MMX },
{ "XVID-MMX", ff_idct_xvid_mmx, NO_PERM, AV_CPU_FLAG_MMX, 1 },
- { "XVID-MMX2", ff_idct_xvid_mmx2, NO_PERM, AV_CPU_FLAG_MMX2, 1 },
+ { "XVID-MMXEXT", ff_idct_xvid_mmxext, NO_PERM, AV_CPU_FLAG_MMXEXT, 1 },
{ "XVID-SSE2", ff_idct_xvid_sse2, SSE2_PERM, AV_CPU_FLAG_SSE2, 1 },
#endif
{ "INT-ARM", ff_j_rev_dct_arm, MMX_PERM },
#endif
#if HAVE_ARMV5TE
- { "SIMPLE-ARMV5TE", ff_simple_idct_armv5te,NO_PERM },
+ { "SIMPLE-ARMV5TE", ff_simple_idct_armv5te,NO_PERM, AV_CPU_FLAG_ARMV5TE },
#endif
#if HAVE_ARMV6
- { "SIMPLE-ARMV6", ff_simple_idct_armv6, MMX_PERM },
+ { "SIMPLE-ARMV6", ff_simple_idct_armv6, MMX_PERM, AV_CPU_FLAG_ARMV6 },
#endif
#if HAVE_NEON
- { "SIMPLE-NEON", ff_simple_idct_neon, PARTTRANS_PERM },
+ { "SIMPLE-NEON", ff_simple_idct_neon, PARTTRANS_PERM, AV_CPU_FLAG_NEON },
#endif
#if ARCH_ALPHA
#define AANSCALE_BITS 12
-uint8_t cropTbl[256 + 2 * MAX_NEG_CROP];
-
-static int64_t gettime(void)
-{
- struct timeval tv;
- gettimeofday(&tv, NULL);
- return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
-}
-
#define NB_ITS 20000
#define NB_ITS_SPEED 50000
}
}
-DECLARE_ALIGNED(16, static DCTELEM, block)[64];
-DECLARE_ALIGNED(8, static DCTELEM, block1)[64];
+DECLARE_ALIGNED(16, static int16_t, block)[64];
+DECLARE_ALIGNED(8, static int16_t, block1)[64];
-static inline void mmx_emms(void)
+static void init_block(int16_t block[64], int test, int is_idct, AVLFG *prng)
{
-#if HAVE_MMX
- if (cpu_flags & AV_CPU_FLAG_MMX)
- __asm__ volatile ("emms\n\t");
-#endif
+ int i, j;
+
+ memset(block, 0, 64 * sizeof(*block));
+
+ switch (test) {
+ case 0:
+ for (i = 0; i < 64; i++)
+ block[i] = (av_lfg_get(prng) % 512) - 256;
+ if (is_idct) {
+ ff_ref_fdct(block);
+ for (i = 0; i < 64; i++)
+ block[i] >>= 3;
+ }
+ break;
+ case 1:
+ j = av_lfg_get(prng) % 10 + 1;
+ for (i = 0; i < j; i++)
+ block[av_lfg_get(prng) % 64] = av_lfg_get(prng) % 512 - 256;
+ break;
+ case 2:
+ block[ 0] = av_lfg_get(prng) % 4096 - 2048;
+ block[63] = (block[0] & 1) ^ 1;
+ break;
+ }
+}
+
+static void permute(int16_t dst[64], const int16_t src[64], int perm)
+{
+ int i;
+
+ if (perm == MMX_PERM) {
+ for (i = 0; i < 64; i++)
+ dst[idct_mmx_perm[i]] = src[i];
+ } else if (perm == MMX_SIMPLE_PERM) {
+ for (i = 0; i < 64; i++)
+ dst[idct_simple_mmx_perm[i]] = src[i];
+ } else if (perm == SSE2_PERM) {
+ for (i = 0; i < 64; i++)
+ dst[(i & 0x38) | idct_sse2_row_perm[i & 7]] = src[i];
+ } else if (perm == PARTTRANS_PERM) {
+ for (i = 0; i < 64; i++)
+ dst[(i & 0x24) | ((i & 3) << 3) | ((i >> 3) & 3)] = src[i];
+ } else {
+ for (i = 0; i < 64; i++)
+ dst[i] = src[i];
+ }
}
static int dct_error(const struct algo *dct, int test, int is_idct, int speed)
{
- void (*ref)(DCTELEM *block) = is_idct ? ff_ref_idct : ff_ref_fdct;
+ void (*ref)(int16_t *block) = is_idct ? ff_ref_idct : ff_ref_fdct;
int it, i, scale;
int err_inf, v;
int64_t err2, ti, ti1, it1, err_sum = 0;
for (i = 0; i < 64; i++)
sysErr[i] = 0;
for (it = 0; it < NB_ITS; it++) {
- for (i = 0; i < 64; i++)
- block1[i] = 0;
- switch (test) {
- case 0:
- for (i = 0; i < 64; i++)
- block1[i] = (av_lfg_get(&prng) % 512) - 256;
- if (is_idct) {
- ff_ref_fdct(block1);
- for (i = 0; i < 64; i++)
- block1[i] >>= 3;
- }
- break;
- case 1: {
- int num = av_lfg_get(&prng) % 10 + 1;
- for (i = 0; i < num; i++)
- block1[av_lfg_get(&prng) % 64] =
- av_lfg_get(&prng) % 512 - 256;
- }
- break;
- case 2:
- block1[0] = av_lfg_get(&prng) % 4096 - 2048;
- block1[63] = (block1[0] & 1) ^ 1;
- break;
- }
-
- if (dct->format == MMX_PERM) {
- for (i = 0; i < 64; i++)
- block[idct_mmx_perm[i]] = block1[i];
- } else if (dct->format == MMX_SIMPLE_PERM) {
- for (i = 0; i < 64; i++)
- block[idct_simple_mmx_perm[i]] = block1[i];
- } else if (dct->format == SSE2_PERM) {
- for (i = 0; i < 64; i++)
- block[(i & 0x38) | idct_sse2_row_perm[i & 7]] = block1[i];
- } else if (dct->format == 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];
- }
+ init_block(block1, test, is_idct, &prng);
+ permute(block, block1, dct->format);
dct->func(block);
- mmx_emms();
+ emms_c();
if (dct->format == SCALE_PERM) {
for (i = 0; i < 64; i++) {
return 0;
/* speed test */
- for (i = 0; i < 64; i++)
- block1[i] = 0;
+ init_block(block, test, is_idct, &prng);
+ permute(block1, block, dct->format);
- switch (test) {
- case 0:
- for (i = 0; i < 64; i++)
- block1[i] = av_lfg_get(&prng) % 512 - 256;
- if (is_idct) {
- ff_ref_fdct(block1);
- for (i = 0; i < 64; i++)
- block1[i] >>= 3;
- }
- break;
- case 1:
- case 2:
- 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 (dct->format == MMX_PERM) {
- for (i = 0; i < 64; i++)
- block[idct_mmx_perm[i]] = block1[i];
- } else if (dct->format == 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];
- }
-
- ti = gettime();
+ ti = av_gettime();
it1 = 0;
do {
for (it = 0; it < NB_ITS_SPEED; it++) {
- for (i = 0; i < 64; i++)
- block[i] = block1[i];
+ memcpy(block, block1, sizeof(block));
dct->func(block);
}
it1 += NB_ITS_SPEED;
- ti1 = gettime() - ti;
+ ti1 = av_gettime() - ti;
} while (ti1 < 1000000);
- mmx_emms();
+ emms_c();
printf("%s %s: %0.1f kdct/s\n", is_idct ? "IDCT" : "DCT", dct->name,
(double) it1 * 1000.0 / (double) ti1);
if (!speed)
return;
- ti = gettime();
+ ti = av_gettime();
it1 = 0;
do {
for (it = 0; it < NB_ITS_SPEED; it++) {
idct248_put(img_dest, 8, block);
}
it1 += NB_ITS_SPEED;
- ti1 = gettime() - ti;
+ ti1 = av_gettime() - ti;
} while (ti1 < 1000000);
- mmx_emms();
+ emms_c();
printf("%s %s: %0.1f kdct/s\n", 1 ? "IDCT248" : "DCT248", name,
(double) it1 * 1000.0 / (double) ti1);
"-t speed test\n");
}
+#if !HAVE_GETOPT
+#include "compat/getopt.c"
+#endif
+
int main(int argc, char **argv)
{
int test_idct = 0, test_248_dct = 0;
ff_ref_dct_init();
idct_mmx_init();
- for (i = 0; i < 256; i++)
- cropTbl[i + MAX_NEG_CROP] = i;
- for (i = 0; i < MAX_NEG_CROP; i++) {
- cropTbl[i] = 0;
- cropTbl[i + MAX_NEG_CROP + 256] = 255;
- }
-
for (;;) {
c = getopt(argc, argv, "ih4t");
if (c == -1)
if (optind < argc)
test = atoi(argv[optind]);
- printf("ffmpeg DCT/IDCT test\n");
+ printf("Libav DCT/IDCT test\n");
if (test_248_dct) {
idct248_error("SIMPLE-C", ff_simple_idct248_put, speed);
projects / ffmpeg / blobdiff