shithub: libvpx

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Cap duration to avoid overflow

Bug: webm:1728
Change-Id: Id13475660fa921e8ddcc89847e978da4c8d85886
(cherry picked from commit 09775194ffdb84b4979f3988e7ef301575b661df)

--- a/vp8/encoder/onyx_if.c

+++ b/vp8/encoder/onyx_if.c

@@ -4919,6 +4919,8 @@

       this_duration = cpi->source->ts_end - cpi->last_end_time_stamp_seen;

       last_duration = cpi->last_end_time_stamp_seen - cpi->last_time_stamp_seen;

+      // Cap this to avoid overflow of (this_duration - last_duration) * 10

+      this_duration = VPXMIN(this_duration, INT64_MAX / 10);

       /* do a step update if the duration changes by 10% */

       if (last_duration) {

         step = (int)(((this_duration - last_duration) * 10 / last_duration));