Commit 3d5e1bfb authored by Jai Menon's avatar Jai Menon Committed by Benoit Fouet
Browse files

Fix an overflow in the predictor.

fixes issue 636
Patch by Jai.

Originally committed as revision 16007 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 6e74619e
......@@ -253,7 +253,8 @@ static void alac_linear_predictor(AlacEncodeContext *s, int ch)
sum >>= lpc.lpc_quant;
sum += samples[0];
residual[i] = samples[lpc.lpc_order+1] - sum;
residual[i] = (samples[lpc.lpc_order+1] - sum) << (32 - s->write_sample_size) >>
(32 - s->write_sample_size);
res_val = residual[i];
if(res_val) {
......
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