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avcodec/mpegvideo_enc: Limit bitrate tolerance to the representable

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Fixes: error: 1.66789e+11 is outside the range of representable values of type 'int'
Fixes: Ticket8201

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 245017ec8a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-05-30 18:38:23 +02:00
parent bea287bdad
commit c524a8b4be
1 changed files with 5 additions and 1 deletions
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6
libavcodec/mpegvideo_enc.c
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@ -509,9 +509,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
if (!s->fixed_qscale &&
avctx->bit_rate * av_q2d(avctx->time_base) >
avctx->bit_rate_tolerance) {
double nbt = avctx->bit_rate * av_q2d(avctx->time_base) * 5;
av_log(avctx, AV_LOG_WARNING,
"bitrate tolerance %d too small for bitrate %"PRId64", overriding\n", avctx->bit_rate_tolerance, avctx->bit_rate);
avctx->bit_rate_tolerance = 5 * avctx->bit_rate * av_q2d(avctx->time_base);
if (nbt <= INT_MAX) {
avctx->bit_rate_tolerance = nbt;
} else
avctx->bit_rate_tolerance = INT_MAX;
}
if (avctx->rc_max_rate &&