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avcodec/aacenc: Do not divide by lambda_count if it is 0 

Avoids Floating point division by 0

Fixes: Ticket8011

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c520b98691)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-05-29 17:49:22 +02:00
parent 92b047755e
commit ddd6d344c5
1 changed files with 1 additions and 1 deletions
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2
libavcodec/aacenc.c
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@ -901,7 +901,7 @@ static av_cold int aac_encode_end(AVCodecContext *avctx)
{ {
AACEncContext *s = avctx->priv_data; AACEncContext *s = avctx->priv_data;
av_log(avctx, AV_LOG_INFO, "Qavg: %.3f\n", s->lambda_sum / s->lambda_count); av_log(avctx, AV_LOG_INFO, "Qavg: %.3f\n", s->lambda_count ? s->lambda_sum / s->lambda_count : NAN);
ff_mdct_end(&s->mdct1024); ff_mdct_end(&s->mdct1024);
ff_mdct_end(&s->mdct128); ff_mdct_end(&s->mdct128);