From dfeeb85b65188923b45e14fbac7963626fae2e48 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 12 Oct 2011 22:01:44 +0200 Subject: [PATCH] dct-test: add transpose permutation support Signed-off-by: Michael Niedermayer --- libavcodec/dct-test.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) 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]; -- 2.11.0