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dct cleanup

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more accurate mmx dct (dont discard bits for fun)
fixing mmx quantizer bug for qscale%2==1 (bias was slightly wrong)

Originally committed as revision 895 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2002-09-01 16:52:33 +00:00
parent 6b791538b9
commit ad324c9351
6 changed files with 26 additions and 24 deletions
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libavcodec/fdctref.c
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@@ -103,6 +103,7 @@ short *block;
s += c[i][5] * tmp[8 * 5 + j];
s += c[i][6] * tmp[8 * 6 + j];
s += c[i][7] * tmp[8 * 7 + j];
s*=8.0;
block[8 * i + j] = (short)floor(s + 0.499999);
/*