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dcadec: fix reading from prior to an array
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -2164,6 +2164,11 @@ static int dca_decode_frame(AVCodecContext *avctx, void *data,
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continue;
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}
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if (s->xch_base_channel < 2) {
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av_log_ask_for_sample(avctx, "XCh with fewer than 2 base channels is not supported\n");
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continue;
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}
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/* much like core primary audio coding header */
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dca_parse_audio_coding_header(s, s->xch_base_channel, 0);
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