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Code Issues Releases Activity

avfilter/vf_gblur: Increase supported pixel count from 31bit to 32bit in filter_postscale()

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Fixes CID1396252

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-01-21 23:01:50 +01:00
parent 03e42a4fec
commit 6294247730
1 changed files with 4 additions and 4 deletions
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8
libavfilter/vf_gblur.c
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@ -152,12 +152,12 @@ static int filter_postscale(AVFilterContext *ctx, void *arg, int jobnr, int nb_j
ThreadData *td = arg;
const int height = td->height;
const int width = td->width;
const int64_t numpixels = width * height;
const int slice_start = (numpixels * jobnr ) / nb_jobs;
const int slice_end = (numpixels * (jobnr+1)) / nb_jobs;
const int64_t numpixels = width * (int64_t)height;
const unsigned slice_start = (numpixels * jobnr ) / nb_jobs;
const unsigned slice_end = (numpixels * (jobnr+1)) / nb_jobs;
const float postscale = s->postscale * s->postscaleV;
float *buffer = s->buffer;
int i;
unsigned i;
for (i = slice_start; i < slice_end; i++)
buffer[i] *= postscale;