From 6b51185c63fd70e342ce3d2979c556cda92ee564 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sun, 8 May 2005 09:58:41 +0000
Subject: [PATCH] overflow fix
Originally committed as revision 4201 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/mpegvideo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 4857dcb5dcc..4aaee760cf1 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -5378,7 +5378,7 @@ static void encode_picture(MpegEncContext *s, int picture_number)
for(i=1;i<64;i++){
int j= s->dsp.idct_permutation[i];
- s->intra_matrix[j] = clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
+ s->intra_matrix[j] = clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3) & 0xFF;
}
convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
--
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