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dct-test: add transpose permutation support

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-10-12 22:01:44 +02:00
parent 370d7ef2c7
commit dfeeb85b65
1 changed files with 4 additions and 1 deletions
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5
libavcodec/dct-test.c
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@ -71,7 +71,7 @@ struct algo {
const char *name; const char *name;
void (*func)(DCTELEM *block); void (*func)(DCTELEM *block);
enum formattag { NO_PERM, MMX_PERM, MMX_SIMPLE_PERM, SCALE_PERM, enum formattag { NO_PERM, MMX_PERM, MMX_SIMPLE_PERM, SCALE_PERM,
SSE2_PERM, PARTTRANS_PERM } format; SSE2_PERM, PARTTRANS_PERM, TRANSPOSE_PERM } format;
int mm_support; int mm_support;
int nonspec; int nonspec;
}; };
@ -243,6 +243,9 @@ static void permute(DCTELEM dst[64], const DCTELEM src[64], int perm)
} else if (perm == PARTTRANS_PERM) { } else if (perm == PARTTRANS_PERM) {
for (i = 0; i < 64; i++) for (i = 0; i < 64; i++)
dst[(i & 0x24) | ((i & 3) << 3) | ((i >> 3) & 3)] = src[i]; dst[(i & 0x24) | ((i & 3) << 3) | ((i >> 3) & 3)] = src[i];
} else if (perm == TRANSPOSE_PERM) {
for (i = 0; i < 64; i++)
dst[(i>>3) | ((i<<3)&0x38)] = src[i];
} else { } else {
for (i = 0; i < 64; i++) for (i = 0; i < 64; i++)
dst[i] = src[i]; dst[i] = src[i];