[Ffmpeg-cvslog] r5868 - trunk/libavcodec/vc1dsp.c
kostya
subversion
Mon Jul 31 05:32:59 CEST 2006
Author: kostya
Date: Mon Jul 31 05:32:59 2006
New Revision: 5868
Modified:
trunk/libavcodec/vc1dsp.c
Log:
Fix overflows in bicubic interpolation.
Modified: trunk/libavcodec/vc1dsp.c
==============================================================================
--- trunk/libavcodec/vc1dsp.c (original)
+++ trunk/libavcodec/vc1dsp.c Mon Jul 31 05:32:59 2006
@@ -314,7 +314,7 @@
/** Filter used to interpolate fractional pel values
*/
-static always_inline uint8_t vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r)
+static always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r)
{
switch(mode){
case 0: //no shift
@@ -343,7 +343,7 @@
tptr = tmp;
for(j = 0; j < 11; j++) {
for(i = 0; i < 8; i++)
- tptr[i] = vc1_mspel_filter(src + i, 1, m, r);
+ tptr[i] = clip_uint8(vc1_mspel_filter(src + i, 1, m, r));
src += stride;
tptr += 8;
}
@@ -353,7 +353,7 @@
tptr = tmp + 8;
for(j = 0; j < 8; j++) {
for(i = 0; i < 8; i++)
- dst[i] = vc1_mspel_filter(tptr + i, 8, m, r);
+ dst[i] = clip_uint8(vc1_mspel_filter(tptr + i, 8, m, r));
dst += stride;
tptr += 8;
}
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