[FFmpeg-cvslog] avfilter/vf_gblur: Increase supported pixel count from 31bit to 32bit in filter_postscale()

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sat Jan 21 23:01:50 2017 +0100| [6294247730549064b1c948c423cf12aa6ff8cf03] | committer: Michael Niedermayer

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

Fixes CID1396252

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6294247730549064b1c948c423cf12aa6ff8cf03
---

 libavfilter/vf_gblur.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavfilter/vf_gblur.c b/libavfilter/vf_gblur.c
index 27b7029..f843e3f 100644
--- a/libavfilter/vf_gblur.c
+++ b/libavfilter/vf_gblur.c
@@ -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;