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swscale/output: fix null pointer dereference in yuv2ya8_2_c()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-07-03 23:03:25 +02:00
parent 3b03186d56
commit ab80d3fb3a
1 changed files with 1 additions and 1 deletions
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libswscale/output.c
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@ -1949,7 +1949,7 @@ yuv2ya8_2_c(SwsContext *c, const int16_t *buf[2],
const int16_t *abuf[2], uint8_t *dest, int dstW, const int16_t *abuf[2], uint8_t *dest, int dstW,
int yalpha, int uvalpha, int y) int yalpha, int uvalpha, int y)
{ {
int hasAlpha = abuf[0] && abuf[1]; int hasAlpha = abuf && abuf[0] && abuf[1];
const int16_t *buf0 = buf[0], *buf1 = buf[1], const int16_t *buf0 = buf[0], *buf1 = buf[1],
*abuf0 = hasAlpha ? abuf[0] : NULL, *abuf0 = hasAlpha ? abuf[0] : NULL,
*abuf1 = hasAlpha ? abuf[1] : NULL; *abuf1 = hasAlpha ? abuf[1] : NULL;