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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2012-03-05 12:26:42 -0800 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2012-03-06 10:47:41 -0800 |
| commit | 2254b559cbcfc0418135f09add37c0a5866b1981 (patch) | |
| tree | 07783f2b1324c6fa17b8ea32c30d29c8fc017e06 /libswscale/utils.c | |
| parent | 018f39ef496c768f7cd580a96ae971e03c78205e (diff) | |
| download | ffmpeg-2254b559cbcfc0418135f09add37c0a5866b1981.tar.gz | |
swscale: make filterPos 32bit.
Fixes overflows for large image sizes.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Diffstat (limited to 'libswscale/utils.c')
| -rw-r--r-- | libswscale/utils.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c index 7c89a70953..51dd331117 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -180,7 +180,7 @@ static double getSplineCoeff(double a, double b, double c, double d, double dist dist-1.0); } -static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc, +static int initFilter(int16_t **outFilter, int32_t **filterPos, int *outFilterSize, int xInc, int srcW, int dstW, int filterAlign, int one, int flags, int cpu_flags, SwsVector *srcFilter, SwsVector *dstFilter, double param[2], int is_horizontal) { @@ -196,7 +196,7 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi emms_c(); //FIXME this should not be required but it IS (even for non-MMX versions) // NOTE: the +3 is for the MMX(+1)/SSE(+3) scaler which reads over the end - FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW+3)*sizeof(int16_t), fail); + FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW+3)*sizeof(**filterPos), fail); if (FFABS(xInc - 0x10000) <10) { // unscaled int i; |