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adpcm: Fix crash
Fixes half of Ticket794 Bug found by: Oana Stratulat Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -818,6 +818,9 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
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/* Each EA ADPCM frame has a 12-byte header followed by 30-byte pieces,
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each coding 28 stereo samples. */
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if(avctx->channels != 2)
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return AVERROR_INVALIDDATA;
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src += 4; // skip sample count (already read)
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current_left_sample = (int16_t)bytestream_get_le16(&src);
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