Limit output sample to 0..maxval, fixes decoding of T16E0.JLS
Originally committed as revision 6908 to svn://svn.ffmpeg.org/ffmpeg/trunk
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				@ -384,6 +384,7 @@ static inline void ls_decode_line(JLSState *state, MJpegDecodeContext *s, void *
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            pred = clip(pred, 0, state->maxval);
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					            pred = clip(pred, 0, state->maxval);
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        }
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					        }
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					        pred &= state->maxval;
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        W(dst, x, pred);
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					        W(dst, x, pred);
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        x += stride;
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					        x += stride;
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    }
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					    }
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