diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2011-10-12 22:01:44 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-12 22:08:14 +0200 |
| commit | dfeeb85b65188923b45e14fbac7963626fae2e48 (patch) | |
| tree | d56499b13c14a2aa507175c5081c030dfd2155ab | |
| parent | 370d7ef2c7a9d00ee885da7ff5dec1b879b33650 (diff) | |
| download | ffmpeg-dfeeb85b65188923b45e14fbac7963626fae2e48.tar.gz | |
dct-test: add transpose permutation support
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/dct-test.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/dct-test.c b/libavcodec/dct-test.c index 3bd95fdf2d..9f17b06b67 100644 --- a/libavcodec/dct-test.c +++ b/libavcodec/dct-test.c @@ -71,7 +71,7 @@ struct algo { const char *name; void (*func)(DCTELEM *block); 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 nonspec; }; @@ -243,6 +243,9 @@ static void permute(DCTELEM dst[64], const DCTELEM src[64], int perm) } else if (perm == PARTTRANS_PERM) { for (i = 0; i < 64; 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 { for (i = 0; i < 64; i++) dst[i] = src[i]; |