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imc: validate channel count

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ask for a sample if not mono
(cherry picked from commit 7b7f47e733)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Justin Ruggles
2011-10-28 18:31:21 -04:00
committed by Michael Niedermayer
parent 5a3f494466
commit cba03dc667
1 changed files with 5 additions and 0 deletions
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5
libavcodec/imc.c
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@@ -108,6 +108,11 @@ static av_cold int imc_decode_init(AVCodecContext * avctx)
IMCContext *q = avctx->priv_data; IMCContext *q = avctx->priv_data;
double r1, r2; double r1, r2;
if (avctx->channels != 1) {
av_log_ask_for_sample(avctx, "Number of channels is not supported\n");
return AVERROR_PATCHWELCOME;
}
q->decoder_reset = 1; q->decoder_reset = 1;
for(i = 0; i < BANDS; i++) for(i = 0; i < BANDS; i++)