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-rw-r--r--libavcodec/mpegvideo.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 98bc596b49..42e192eac6 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -2749,9 +2749,11 @@ static int dct_quantize_c(MpegEncContext *s,
s->fdct (block);
+#ifndef ARCH_ALPHA /* Alpha uses unpermuted matrix */
/* we need this permutation so that we correct the IDCT
permutation. will be moved into DCT code */
block_permute(block);
+#endif
if (s->mb_intra) {
if (!s->h263_aic) {