virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

imc: Catch a division by zero

Browse Source 
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Reviewed-by: Kostya Shishkov
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Luca Barbato 2013-07-09 09:19:30 +02:00 committed by Michael Niedermayer
parent 7d9cb12689
commit 87fb18c3e4
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/imc.c
View File

@ -450,6 +450,10 @@ static int bit_allocation(IMCContext *q, IMCChannel *chctx,
iacc += chctx->bandWidthT[i];
summa += chctx->bandWidthT[i] * chctx->flcoeffs4[i];
}
if (!iacc)
return AVERROR_INVALIDDATA;
chctx->bandWidthT[BANDS - 1] = 0;
summa = (summa * 0.5 - freebits) / iacc;