@@ -905,7 +905,7 @@ yuv2ya16_X_c_template(SwsContext *c, const int16_t *lumFilter,
for (i = 0; i < dstW; i++) {
int j;
int Y = -0x40000000;
- int64_t A = 0xffff;
+ int A = 0xffff;
for (j = 0; j < lumFilterSize; j++)
Y += lumSrc[j][i] * lumFilter[j];
@@ -915,11 +915,12 @@ yuv2ya16_X_c_template(SwsContext *c, const int16_t *lumFilter,
Y = av_clip_uint16(Y);
if (hasAlpha) {
- A = 1<<14;
+ A = -0x40000000 + (1<<14);
for (j = 0; j < lumFilterSize; j++)
A += alpSrc[j][i] * lumFilter[j];
A >>= 15;
+ A += 0x8000;
A = av_clip_uint16(A);
}
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libswscale/output.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)