imc: validate channel count

ask for a sample if not mono
(cherry picked from commit 7b7f47e73356d113cace74b922eee0b6ff5ffe0b)

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

View File

@ -108,6 +108,11 @@ static av_cold int imc_decode_init(AVCodecContext * avctx)
IMCContext *q = avctx->priv_data;
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;
for(i = 0; i < BANDS; i++)