X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_05%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fdct-test.c;fp=synfig-core%2Ftags%2Fsynfig_0_61_05%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fdct-test.c;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=5f8473accc48f20dfbc19f81c685cb3b1e2023eb;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/dct-test.c b/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/dct-test.c deleted file mode 100644 index 5f8473a..0000000 --- a/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/dct-test.c +++ /dev/null @@ -1,501 +0,0 @@ -/** - * @file dct-test.c - * DCT test. (c) 2001 Fabrice Bellard. - * Started from sample code by Juan J. Sierralta P. - */ - -#include -#include -#include -#include -#include - -#include "dsputil.h" - -#include "i386/mmx.h" -#include "simple_idct.h" - -#ifndef MAX -#define MAX(a, b) (((a) > (b)) ? (a) : (b)) -#endif - -/* reference fdct/idct */ -extern void fdct(DCTELEM *block); -extern void idct(DCTELEM *block); -extern void init_fdct(); - -extern void j_rev_dct(DCTELEM *data); -extern void ff_mmx_idct(DCTELEM *data); -extern void ff_mmxext_idct(DCTELEM *data); - -extern void odivx_idct_c (short *block); - -#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 -}; - -uint8_t cropTbl[256 + 2 * MAX_NEG_CROP]; - -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 - -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, -}; - -void idct_mmx_init(void) -{ - int i; - - /* 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); - } -} - -static DCTELEM block[64] __attribute__ ((aligned (8))); -static DCTELEM block1[64] __attribute__ ((aligned (8))); -static DCTELEM block_org[64] __attribute__ ((aligned (8))); - -void dct_error(const char *name, int is_idct, - void (*fdct_func)(DCTELEM *block), - void (*fdct_ref)(DCTELEM *block), 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; - - srandom(0); - - err_inf = 0; - err2 = 0; - for(i=0; i<64; i++) sysErr[i]=0; - for(it=0;it>=3; - } - break; - case 1:{ - int num= (random()%10)+1; - for(i=0;i> AANSCALE_BITS; - } - } - - fdct_ref(block1); - - 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(blockSumErrMax < blockSumErr) blockSumErrMax= blockSumErr; -#if 0 // print different matrix pairs - if(blockSumErr){ - printf("\n"); - for(i=0; i<64; i++){ - if((i&7)==0) printf("\n"); - printf("%4d ", block_org[i]); - } - for(i=0; i<64; i++){ - if((i&7)==0) printf("\n"); - printf("%4d ", block[i] - block1[i]); - } - } -#endif - } - for(i=0; i<64; i++) sysErrMax= MAX(sysErrMax, ABS(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("\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; - if (is_idct){ - 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; - }break; - } - - if (fdct_func == ff_mmx_idct || - fdct_func == j_rev_dct || fdct_func == ff_mmxext_idct) { - for(i=0;i<64;i++) - block[idct_mmx_perm[i]] = block1[i]; - } else if(fdct_func == ff_simple_idct_mmx ) { - 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(); - it1 = 0; - do { - for(it=0;it 255) - v = 255; - dest[i * linesize + j] = (int)rint(v); - } - } -} - -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 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", - name, err_max); - - ti = gettime(); - it1 = 0; - do { - for(it=0;it]\n" - "test-number 0 -> test with random matrixes\n" - " 1 -> test with random sparse 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; - - init_fdct(); - idct_mmx_init(); - - for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i; - for(i=0;i