diff options
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/dct-test.c | 374 |
1 files changed, 191 insertions, 183 deletions
diff --git a/libavcodec/dct-test.c b/libavcodec/dct-test.c index b40fcc8593..c5e29c44a8 100644 --- a/libavcodec/dct-test.c +++ b/libavcodec/dct-test.c @@ -68,12 +68,13 @@ 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; + 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 @@ -85,60 +86,60 @@ struct algo { 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}, + {"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}, + {"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}, + {"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 #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}, + {"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}, + {"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 #if HAVE_ALTIVEC - {"altivecfdct", 0, fdct_altivec, ff_ref_fdct, NO_PERM, AV_CPU_FLAG_ALTIVEC}, + {"altivecfdct", 0, fdct_altivec, ff_ref_fdct, NO_PERM, AV_CPU_FLAG_ALTIVEC}, #endif #if ARCH_BFIN - {"BFINfdct", 0, ff_bfin_fdct, ff_ref_fdct, NO_PERM}, - {"BFINidct", 1, ff_bfin_idct, ff_ref_idct, NO_PERM}, + {"BFINfdct", 0, ff_bfin_fdct, ff_ref_fdct, NO_PERM}, + {"BFINidct", 1, ff_bfin_idct, ff_ref_idct, NO_PERM}, #endif #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 }, + {"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 }, + {"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 }, + {"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 }, + {"SIMPLE-NEON", 1, ff_simple_idct_neon, ff_ref_idct, PARTTRANS_PERM }, #endif #endif /* ARCH_ARM */ #if ARCH_ALPHA - {"SIMPLE-ALPHA", 1, ff_simple_idct_axp, ff_ref_idct, NO_PERM }, + {"SIMPLE-ALPHA", 1, ff_simple_idct_axp, ff_ref_idct, NO_PERM }, #endif - { 0 } + { 0 } }; #define AANSCALE_BITS 12 @@ -148,7 +149,7 @@ uint8_t cropTbl[256 + 2 * MAX_NEG_CROP]; static int64_t gettime(void) { struct timeval tv; - gettimeofday(&tv,NULL); + gettimeofday(&tv, NULL); return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec; } @@ -157,18 +158,18 @@ static int64_t gettime(void) 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, +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, }; -static const uint8_t idct_sse2_row_perm[8] = {0, 4, 1, 5, 2, 6, 3, 7}; +static const uint8_t idct_sse2_row_perm[8] = { 0, 4, 1, 5, 2, 6, 3, 7 }; static void idct_mmx_init(void) { @@ -181,8 +182,8 @@ static void idct_mmx_init(void) } DECLARE_ALIGNED(16, static DCTELEM, block)[64]; -DECLARE_ALIGNED(8, static DCTELEM, block1)[64]; -DECLARE_ALIGNED(8, static DCTELEM, block_org)[64]; +DECLARE_ALIGNED(8, static DCTELEM, block1)[64]; +DECLARE_ALIGNED(8, static DCTELEM, block_org)[64]; static inline void mmx_emms(void) { @@ -193,144 +194,151 @@ static inline void mmx_emms(void) } static void dct_error(const char *name, int is_idct, - void (*fdct_func)(DCTELEM *block), - void (*fdct_ref)(DCTELEM *block), int form, int test) + void (*fdct_func)(DCTELEM *block), + void (*fdct_ref)(DCTELEM *block), int form, + int test) { int it, i, scale; int err_inf, v; int64_t err2, ti, ti1, it1; - int64_t sysErr[64], sysErrMax=0; - int maxout=0; - int blockSumErrMax=0, blockSumErr; + int64_t sysErr[64], sysErrMax = 0; + int maxout = 0; + int blockSumErrMax = 0, blockSumErr; AVLFG prng; av_lfg_init(&prng, 1); err_inf = 0; err2 = 0; - for(i=0; i<64; i++) sysErr[i]=0; - for(it=0;it<NB_ITS;it++) { - for(i=0;i<64;i++) + 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){ + switch (test) { case 0: - for(i=0;i<64;i++) - block1[i] = (av_lfg_get(&prng) % 512) -256; - if (is_idct){ + 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; + 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; + 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; + block1[63] = (block1[0] & 1) ^ 1; + break; } - for(i=0; i<64; i++) - block_org[i]= block1[i]; + for (i = 0; i < 64; i++) + block_org[i] = block1[i]; if (form == MMX_PERM) { - for(i=0;i<64;i++) + for (i = 0; i < 64; i++) block[idct_mmx_perm[i]] = block1[i]; - } else if (form == MMX_SIMPLE_PERM) { - for(i=0;i<64;i++) + } 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]; + 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]; + 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]; + for (i = 0; i < 64; i++) + block[i] = block1[i]; } fdct_func(block); mmx_emms(); if (form == SCALE_PERM) { - for(i=0; i<64; i++) { - scale = 8*(1 << (AANSCALE_BITS + 11)) / ff_aanscales[i]; - block[i] = (block[i] * scale /*+ (1<<(AANSCALE_BITS-1))*/) >> AANSCALE_BITS; + for (i = 0; i < 64; i++) { + scale = 8 * (1 << (AANSCALE_BITS + 11)) / ff_aanscales[i]; + block[i] = (block[i] * scale) >> AANSCALE_BITS; } } fdct_ref(block1); - blockSumErr=0; - for(i=0;i<64;i++) { + blockSumErr = 0; + for (i = 0; i < 64; i++) { v = abs(block[i] - block1[i]); 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]); + if (abs(block[i]) > maxout) + maxout = abs(block[i]); } - if(blockSumErrMax < blockSumErr) blockSumErrMax= blockSumErr; + if (blockSumErrMax < blockSumErr) + blockSumErrMax = blockSumErr; } - for(i=0; i<64; i++) sysErrMax= FFMAX(sysErrMax, FFABS(sysErr[i])); + for (i = 0; i < 64; i++) + sysErrMax = FFMAX(sysErrMax, FFABS(sysErr[i])); - for(i=0; i<64; i++){ - if(i%8==0) printf("\n"); - printf("%7d ", (int)sysErr[i]); + for (i = 0; i < 64; i++) { + if (i % 8 == 0) + printf("\n"); + printf("%7d ", (int) sysErr[i]); } printf("\n"); 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); + is_idct ? "IDCT" : "DCT", name, err_inf, + (double) err2 / NB_ITS / 64.0, (double) sysErrMax / NB_ITS, + maxout, blockSumErrMax); /* speed test */ - for(i=0;i<64;i++) + for (i = 0; i < 64; i++) block1[i] = 0; - switch(test){ + + switch (test) { case 0: - for(i=0;i<64;i++) - block1[i] = av_lfg_get(&prng) % 512 -256; - if (is_idct){ + 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; + for (i = 0; i < 64; i++) + block1[i] >>= 3; } - break; - case 1:{ + 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; + 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 (form == MMX_PERM) { - for(i=0;i<64;i++) + for (i = 0; i < 64; i++) block[idct_mmx_perm[i]] = block1[i]; - } else if(form == MMX_SIMPLE_PERM) { - for(i=0;i<64;i++) + } 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]; + for (i = 0; i < 64; i++) + block[i] = block1[i]; } ti = gettime(); it1 = 0; do { - for(it=0;it<NB_ITS_SPEED;it++) { - for(i=0; i<64; i++) - block[i]= block1[i]; + for (it = 0; it < NB_ITS_SPEED; it++) { + for (i = 0; i < 64; i++) + block[i] = block1[i]; fdct_func(block); } it1 += NB_ITS_SPEED; @@ -338,9 +346,8 @@ static void dct_error(const char *name, int is_idct, } while (ti1 < 1000000); mmx_emms(); - printf("%s %s: %0.1f kdct/s\n", - is_idct ? "IDCT" : "DCT", - name, (double)it1 * 1000.0 / (double)ti1); + printf("%s %s: %0.1f kdct/s\n", is_idct ? "IDCT" : "DCT", name, + (double) it1 * 1000.0 / (double) ti1); } DECLARE_ALIGNED(8, static uint8_t, img_dest)[64]; @@ -358,19 +365,19 @@ static void idct248_ref(uint8_t *dest, int linesize, int16_t *block) if (!init) { init = 1; - for(i=0;i<8;i++) { + for (i = 0; i < 8; i++) { sum = 0; - for(j=0;j<8;j++) { - s = (i==0) ? sqrt(1.0/8.0) : sqrt(1.0/4.0); + for (j = 0; j < 8; j++) { + s = (i == 0) ? sqrt(1.0 / 8.0) : sqrt(1.0 / 4.0); c8[i][j] = s * cos(M_PI * i * (j + 0.5) / 8.0); sum += c8[i][j] * c8[i][j]; } } - for(i=0;i<4;i++) { + for (i = 0; i < 4; i++) { sum = 0; - for(j=0;j<4;j++) { - s = (i==0) ? sqrt(1.0/4.0) : sqrt(1.0/2.0); + for (j = 0; j < 4; j++) { + s = (i == 0) ? sqrt(1.0 / 4.0) : sqrt(1.0 / 2.0); c4[i][j] = s * cos(M_PI * i * (j + 0.5) / 4.0); sum += c4[i][j] * c4[i][j]; } @@ -379,58 +386,58 @@ static void idct248_ref(uint8_t *dest, int linesize, int16_t *block) /* butterfly */ s = 0.5 * sqrt(2.0); - for(i=0;i<4;i++) { - for(j=0;j<8;j++) { - block1[8*(2*i)+j] = (block[8*(2*i)+j] + block[8*(2*i+1)+j]) * s; - block1[8*(2*i+1)+j] = (block[8*(2*i)+j] - block[8*(2*i+1)+j]) * s; + for (i = 0; i < 4; i++) { + for (j = 0; j < 8; j++) { + block1[8 * (2 * i) + j] = + (block[8 * (2 * i) + j] + block[8 * (2 * i + 1) + j]) * s; + block1[8 * (2 * i + 1) + j] = + (block[8 * (2 * i) + j] - block[8 * (2 * i + 1) + j]) * s; } } /* idct8 on lines */ - for(i=0;i<8;i++) { - for(j=0;j<8;j++) { + for (i = 0; i < 8; i++) { + for (j = 0; j < 8; j++) { sum = 0; - for(k=0;k<8;k++) - sum += c8[k][j] * block1[8*i+k]; - block2[8*i+j] = sum; + for (k = 0; k < 8; k++) + sum += c8[k][j] * block1[8 * i + k]; + block2[8 * i + j] = sum; } } /* idct4 */ - for(i=0;i<8;i++) { - for(j=0;j<4;j++) { + for (i = 0; i < 8; i++) { + for (j = 0; j < 4; j++) { /* top */ sum = 0; - for(k=0;k<4;k++) - sum += c4[k][j] * block2[8*(2*k)+i]; - block3[8*(2*j)+i] = sum; + for (k = 0; k < 4; k++) + sum += c4[k][j] * block2[8 * (2 * k) + i]; + block3[8 * (2 * j) + i] = sum; /* bottom */ sum = 0; - for(k=0;k<4;k++) - sum += c4[k][j] * block2[8*(2*k+1)+i]; - block3[8*(2*j+1)+i] = sum; + for (k = 0; k < 4; k++) + sum += c4[k][j] * block2[8 * (2 * k + 1) + i]; + block3[8 * (2 * j + 1) + i] = sum; } } /* clamp and store the result */ - for(i=0;i<8;i++) { - for(j=0;j<8;j++) { - v = block3[8*i+j]; - if (v < 0) - v = 0; - else if (v > 255) - v = 255; - dest[i * linesize + j] = (int)rint(v); + for (i = 0; i < 8; i++) { + for (j = 0; j < 8; j++) { + v = block3[8 * i + j]; + if (v < 0) v = 0; + else if (v > 255) v = 255; + dest[i * linesize + j] = (int) rint(v); } } } static void idct248_error(const char *name, - void (*idct248_put)(uint8_t *dest, int line_size, int16_t *block)) + void (*idct248_put)(uint8_t *dest, int line_size, + int16_t *block)) { int it, i, it1, ti, ti1, err_max, v; - AVLFG prng; av_lfg_init(&prng, 1); @@ -438,39 +445,36 @@ static void idct248_error(const char *name, /* just one test to see if code is correct (precision is less important here) */ err_max = 0; - for(it=0;it<NB_ITS;it++) { - + for (it = 0; it < NB_ITS; it++) { /* XXX: use forward transform to generate values */ - for(i=0;i<64;i++) + for (i = 0; i < 64; i++) block1[i] = av_lfg_get(&prng) % 256 - 128; block1[0] += 1024; - for(i=0; i<64; i++) - block[i]= block1[i]; + 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]; + 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]); + for (i = 0; i < 64; i++) { + v = abs((int) img_dest[i] - (int) img_dest1[i]); if (v == 255) printf("%d %d\n", img_dest[i], img_dest1[i]); if (v > err_max) err_max = v; } } - printf("%s %s: err_inf=%d\n", - 1 ? "IDCT248" : "DCT248", - name, err_max); + printf("%s %s: err_inf=%d\n", 1 ? "IDCT248" : "DCT248", name, err_max); ti = gettime(); it1 = 0; do { - for(it=0;it<NB_ITS_SPEED;it++) { - for(i=0; i<64; i++) - block[i]= block1[i]; + for (it = 0; it < NB_ITS_SPEED; it++) { + for (i = 0; i < 64; i++) + block[i] = block1[i]; idct248_put(img_dest, 8, block); } it1 += NB_ITS_SPEED; @@ -478,9 +482,8 @@ static void idct248_error(const char *name, } while (ti1 < 1000000); mmx_emms(); - printf("%s %s: %0.1f kdct/s\n", - 1 ? "IDCT248" : "DCT248", - name, (double)it1 * 1000.0 / (double)ti1); + printf("%s %s: %0.1f kdct/s\n", 1 ? "IDCT248" : "DCT248", name, + (double) it1 * 1000.0 / (double) ti1); } static void help(void) @@ -496,48 +499,53 @@ static void help(void) int main(int argc, char **argv) { int test_idct = 0, test_248_dct = 0; - int c,i; - int test=1; + int c, i; + int test = 1; + cpu_flags = av_get_cpu_flags(); 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++) { + 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(;;) { + for (;;) { c = getopt(argc, argv, "ih4"); if (c == -1) break; - switch(c) { + switch (c) { case 'i': test_idct = 1; break; case '4': test_248_dct = 1; break; - default : + default: case 'h': help(); return 0; } } - if(optind <argc) test= atoi(argv[optind]); + if (optind < argc) + test = atoi(argv[optind]); printf("ffmpeg DCT/IDCT test\n"); if (test_248_dct) { idct248_error("SIMPLE-C", ff_simple_idct248_put); } else { - 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); - } + 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; } |