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sonic: fix FPE 

Fixes Ticket1397

Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-26 00:38:05 +02:00
parent dc30c27eb1
commit 8a0cd58729
1 changed files with 5 additions and 0 deletions
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5
libavcodec/sonic.c
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@ -796,6 +796,11 @@ static av_cold int sonic_decode_init(AVCodecContext *avctx)
s->decorrelation = get_bits(&gb, 2);
s->downsampling = get_bits(&gb, 2);
if (!s->downsampling) {
av_log(avctx, AV_LOG_ERROR, "invalid downsampling value\n");
return AVERROR_INVALIDDATA;
}
s->num_taps = (get_bits(&gb, 5)+1)<<5;
if (get_bits1(&gb)) // XXX FIXME
av_log(avctx, AV_LOG_INFO, "Custom quant table\n");