Commit 265ed673 authored by Derek Buitenhuis's avatar Derek Buitenhuis

libavcodec/util: Fix timebase overflow check

It could accidentally divide by zero if num was zero.
Signed-off-by: 's avatarDerek Buitenhuis <derek.buitenhuis@gmail.com>
parent 09d5c28c
......@@ -1475,7 +1475,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
if (!avctx->rc_initial_buffer_occupancy)
avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
if (avctx->ticks_per_frame &&
if (avctx->ticks_per_frame && avctx->time_base.num &&
avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
av_log(avctx, AV_LOG_ERROR,
"ticks_per_frame %d too large for the timebase %d/%d.",
......
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