diff options
Diffstat (limited to 'libavcodec/dct-test.c')
| -rw-r--r-- | libavcodec/dct-test.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/libavcodec/dct-test.c b/libavcodec/dct-test.c index bac307da9b..9bf359eba6 100644 --- a/libavcodec/dct-test.c +++ b/libavcodec/dct-test.c @@ -1,6 +1,6 @@ /** * @file dct-test.c - * DCT test. (c) 2001 Fabrice Bellard. + * DCT test. (c) 2001 Fabrice Bellard. * Started from sample code by Juan J. Sierralta P. */ @@ -65,13 +65,13 @@ 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, + 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, }; @@ -110,7 +110,7 @@ void dct_error(const char *name, int is_idct, 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){ @@ -136,7 +136,7 @@ void dct_error(const char *name, int 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 @@ -160,15 +160,15 @@ void dct_error(const char *name, int is_idct, 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 -#ifndef FAAN_POSTSCALE + if (fdct_func == fdct_ifast +#ifndef FAAN_POSTSCALE || fdct_func == ff_faandct #endif ) { @@ -206,7 +206,7 @@ void dct_error(const char *name, int is_idct, #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"); @@ -214,7 +214,7 @@ void dct_error(const char *name, int is_idct, } 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); @@ -223,7 +223,7 @@ void dct_error(const char *name, int is_idct, 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){ @@ -298,7 +298,7 @@ void idct248_ref(uint8_t *dest, int linesize, int16_t *block) sum += c8[i][j] * c8[i][j]; } } - + for(i=0;i<4;i++) { sum = 0; for(j=0;j<4;j++) { @@ -358,18 +358,18 @@ void idct248_ref(uint8_t *dest, int linesize, int16_t *block) } } -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; @@ -378,11 +378,11 @@ void idct248_error(const char *name, 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) @@ -399,7 +399,7 @@ void idct248_error(const char *name, } printf("\n"); } - + printf("out=\n"); for(i=0;i<8;i++) { int j; @@ -459,7 +459,7 @@ int main(int argc, char **argv) cropTbl[i] = 0; cropTbl[i + MAX_NEG_CROP + 256] = 255; } - + for(;;) { c = getopt(argc, argv, "ih4"); if (c == -1) @@ -477,9 +477,9 @@ int main(int argc, char **argv) break; } } - + if(optind <argc) test= atoi(argv[optind]); - + printf("ffmpeg DCT/IDCT test\n"); if (test_248_dct) { |