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dct-test: Support testing bits>8 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-05-01 17:50:34 +02:00
parent c92a9d069e
commit 007d352c1c
1 changed files with 13 additions and 10 deletions
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23
libavcodec/dct-test.c
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@ -195,7 +195,7 @@ 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_ref)(DCTELEM *block), int form, int test, const int bits)
{
int it, i, scale;
int err_inf, v;
@ -204,6 +204,7 @@ static void dct_error(const char *name, int is_idct,
int maxout=0;
int blockSumErrMax=0, blockSumErr;
AVLFG prng;
const int vals=1<<bits;
av_lfg_init(&prng, 1);
@ -216,7 +217,7 @@ static void dct_error(const char *name, int is_idct,
switch(test){
case 0:
for(i=0;i<64;i++)
block1[i] = (av_lfg_get(&prng) % 512) -256;
block1[i] = (av_lfg_get(&prng) % (2*vals)) -vals;
if (is_idct){
ff_ref_fdct(block1);
@ -227,10 +228,10 @@ static void dct_error(const char *name, int is_idct,
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;
block1[av_lfg_get(&prng) % 64] = av_lfg_get(&prng) % (2*vals) -vals;
}break;
case 2:
block1[0] = av_lfg_get(&prng) % 4096 - 2048;
block1[0] = av_lfg_get(&prng) % (16*vals) - (8*vals);
block1[63]= (block1[0]&1)^1;
break;
}
@ -328,7 +329,7 @@ static void dct_error(const char *name, int is_idct,
switch(test){
case 0:
for(i=0;i<64;i++)
block1[i] = av_lfg_get(&prng) % 512 -256;
block1[i] = av_lfg_get(&prng) % (2*vals) -vals;
if (is_idct){
ff_ref_fdct(block1);
@ -338,10 +339,10 @@ static void dct_error(const char *name, int is_idct,
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;
block1[0] = av_lfg_get(&prng) % (2*vals) -vals;
block1[1] = av_lfg_get(&prng) % (2*vals) -vals;
block1[2] = av_lfg_get(&prng) % (2*vals) -vals;
block1[3] = av_lfg_get(&prng) % (2*vals) -vals;
}break;
}
@ -552,6 +553,7 @@ int main(int argc, char **argv)
int test_idct = 0, test_248_dct = 0;
int c,i;
int test=1;
int bits=8;
cpu_flags = av_get_cpu_flags();
ff_ref_dct_init();
@ -582,6 +584,7 @@ int main(int argc, char **argv)
}
if(optind <argc) test= atoi(argv[optind]);
if(optind+1 < argc) bits= atoi(argv[optind+1]);
printf("ffmpeg DCT/IDCT test\n");
@ -590,7 +593,7 @@ int main(int argc, char **argv)
} 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);
dct_error (algos[i].name, algos[i].is_idct, algos[i].func, algos[i].ref, algos[i].format, test, bits);
}
}
return 0;