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-rw-r--r--vp8/encoder/dct.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/vp8/encoder/dct.c b/vp8/encoder/dct.c
index b537835da..b1e461e87 100644
--- a/vp8/encoder/dct.c
+++ b/vp8/encoder/dct.c
@@ -120,7 +120,7 @@ void vp8_short_fhaar2x2_c(short *input, short *output, int pitch) //pitch = 8
op1[i] = 0;
}
- op1[0]=(ip1[0] + ip1[1] + ip1[4] + ip1[8])>>1;
+ op1[0]=(ip1[0] + ip1[1] + ip1[4] + ip1[8] + 1)>>1;
op1[1]=(ip1[0] - ip1[1] + ip1[4] - ip1[8])>>1;
op1[4]=(ip1[0] + ip1[1] - ip1[4] - ip1[8])>>1;
op1[8]=(ip1[0] - ip1[1] - ip1[4] + ip1[8])>>1;