From: "Ronald S. Bultje" <[email protected]>
We accessed the alpha array even it wasn't used and didn't
exist, hence leading to a NULL pointer segfault.
---
libswscale/swscale.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 5071fea..29fd08d 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -1147,7 +1147,8 @@ yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2],
const int16_t *buf0 = buf[0], *buf1 = buf[1],
*ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
*vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
- *abuf0 = abuf[0], *abuf1 = abuf[1];
+ *abuf0 = hasAlpha ? abuf[0] : NULL,
+ *abuf1 = hasAlpha ? abuf[1] : NULL;
int yalpha1 = 4095 - yalpha;
int uvalpha1 = 4095 - uvalpha;
int i;
--
1.7.5.4
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