diff options
Diffstat (limited to 'libswscale')
-rw-r--r-- | libswscale/output.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libswscale/output.c b/libswscale/output.c index ed8a69287c..d192ea854b 100644 --- a/libswscale/output.c +++ b/libswscale/output.c @@ -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); } |