swr/ build_filter: use av_calloc() fix buffer overflow

Fixes integer & buffer overflow

Michael Niedermayer committed 13 years ago

Commit f9abeec1 parent 167af701 file · +1 −1Browse files

Showing the changes to libswresample (1 of 1 file). Show all

Unified · Split

libswresample/resample.c+1−1

@@ -235,7 +235,7 @@ static ResampleContext resample_init(ResampleContext c, int out_rate, int in_r · 234 unmodified lines
235	c->factor = factor;	235	c->factor = factor;
236	c->filter_length = FFMAX((int)ceil(filter_size/factor), 1);	236	c->filter_length = FFMAX((int)ceil(filter_size/factor), 1);
237	c->filter_alloc = FFALIGN(c->filter_length, 8);	237	c->filter_alloc = FFALIGN(c->filter_length, 8);
238	c->filter_bank = av_mallocz(c->filter_alloc(phase_count+1)c->felem_size);	238	c->filter_bank = av_calloc(c->filter_alloc, (phase_count+1)*c->felem_size);
239	c->filter_type = filter_type;	239	c->filter_type = filter_type;
240	c->kaiser_beta = kaiser_beta;	240	c->kaiser_beta = kaiser_beta;
241	if (!c->filter_bank)	241	if (!c->filter_bank)