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swr: handle 64bit overflow check in multiple_resample().

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Ronald S. Bultje
2014-06-09 08:09:49 -04:00
committed by Michael Niedermayer
parent 637093a2db
commit f341340552
2 changed files with 3 additions and 2 deletions
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2
libswresample/resample.c
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@@ -335,9 +335,11 @@ static int multiple_resample(ResampleContext *c, AudioData *dst, int dst_size, A
int i, ret= -1;
int av_unused mm_flags = av_get_cpu_flags();
int need_emms= 0;
int64_t max_src_size = (INT64_MAX >> (c->phase_shift+1)) / c->src_incr;
if (c->compensation_distance)
dst_size = FFMIN(dst_size, c->compensation_distance);
src_size = FFMIN(src_size, max_src_size);
for(i=0; i<dst->ch_count; i++){
#if HAVE_MMXEXT_INLINE