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| author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2006-07-31 03:32:59 +0000 |
|---|---|---|
| committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2006-07-31 03:32:59 +0000 |
| commit | a70c27e813346a11e5fff3d329ecba82fb76826a (patch) | |
| tree | e0b169171f59c61279a0e4394e7591ea4ba3210b /libavcodec/vc1dsp.c | |
| parent | 5b01f9ce4737d4520f4bd23a67a1609baaee025b (diff) | |
Fix overflows in bicubic interpolation.
Originally committed as revision 5868 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vc1dsp.c')
| -rw-r--r-- | libavcodec/vc1dsp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/vc1dsp.c b/libavcodec/vc1dsp.c index befd60c1c9..16fe31b90d 100644 --- a/libavcodec/vc1dsp.c +++ b/libavcodec/vc1dsp.c @@ -314,7 +314,7 @@ static void vc1_inv_trans_4x4_c(DCTELEM block[64], int n) /** 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 @@ static void vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int mode, 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 @@ static void vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int mode, 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; } |