From dfeeb85b65188923b45e14fbac7963626fae2e48 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 12 Oct 2011 22:01:44 +0200
Subject: [PATCH] dct-test: add transpose permutation support
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
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 3bd95fdf2dd..9f17b06b67a 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];
--
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