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smacker audio: sign-extend the initial 16-bit predicted value
Fixes Bug #265 Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
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@ -655,7 +655,7 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data,
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}
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if(bits) { //decode 16-bit data
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for(i = stereo; i >= 0; i--)
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pred[i] = av_bswap16(get_bits(&gb, 16));
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pred[i] = sign_extend(av_bswap16(get_bits(&gb, 16)), 16);
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for(i = 0; i <= stereo; i++)
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*samples++ = pred[i];
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for(; i < unp_size / 2; i++) {
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