(commit by michael)
dc coeff isnt dequantized (bug reported by falk hueffner) Originally committed as revision 278 to svn://svn.ffmpeg.org/ffmpeg/trunk
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				@ -1284,7 +1284,7 @@ static void dct_unquantize_mpeg1_c(MpegEncContext *s,
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    } else {
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					    } else {
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        i = 0;
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					        i = 0;
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        quant_matrix = s->non_intra_matrix;
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					        quant_matrix = s->non_intra_matrix;
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        for(i=1;i<nCoeffs;i++) {
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					        for(;i<nCoeffs;i++) {
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            int j= zigzag_direct[i];
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					            int j= zigzag_direct[i];
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            level = block[j];
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					            level = block[j];
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            if (level) {
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					            if (level) {
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