Commit edac2328 authored by Vitaly Buka's avatar Vitaly Buka Committed by Michael Niedermayer

avcodec/utils: Fix signed integer overflow in rc_initial_buffer_occupancy initialization

Signed integer overflow is undefined behavior.
Detected with clang and -fsanitize=signed-integer-overflow
Signed-off-by: 's avatarVitaly Buka <vitalybuka@google.com>
Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8c2bb10d)
Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parent 1fa31e28
......@@ -1540,7 +1540,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
}
if (!avctx->rc_initial_buffer_occupancy)
avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3LL / 4;
if (avctx->ticks_per_frame && avctx->time_base.num &&
avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
......
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