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-rw-r--r--libswscale/output.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libswscale/output.c b/libswscale/output.c
index cae2c31..de41f77 100644
--- a/libswscale/output.c
+++ b/libswscale/output.c
@@ -1040,8 +1040,8 @@ yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,
*b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
if (hasAlpha) {
- A1 = (abuf0[i * 2 ] + 64) >> 7;
- A2 = (abuf0[i * 2 + 1] + 64) >> 7;
+ A1 = abuf0[i * 2 ] * 255 + 16384 >> 15;
+ A2 = abuf0[i * 2 + 1] * 255 + 16384 >> 15;
}
yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
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