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| author | Michael Niedermayer <michaelni@gmx.at> | 2002-09-01 16:52:33 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2002-09-01 16:52:33 +0000 |
| commit | ad324c93515ca4acb43f5973ba67861213ff584d (patch) | |
| tree | a542e7b37f7a8a4283a28959258b68196b38c783 /libavcodec/i386/fdct_mmx.c | |
| parent | 6b791538b90b95624e4d7b30743b409f3ee64997 (diff) | |
| download | ffmpeg-ad324c93515ca4acb43f5973ba67861213ff584d.tar.gz | |
dct cleanup
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
Diffstat (limited to 'libavcodec/i386/fdct_mmx.c')
| -rw-r--r-- | libavcodec/i386/fdct_mmx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/i386/fdct_mmx.c b/libavcodec/i386/fdct_mmx.c index 8c30818485..e43871b5cd 100644 --- a/libavcodec/i386/fdct_mmx.c +++ b/libavcodec/i386/fdct_mmx.c @@ -25,7 +25,7 @@ #define BITS_FRW_ACC 3 //; 2 or 3 for accuracy #define SHIFT_FRW_COL BITS_FRW_ACC -#define SHIFT_FRW_ROW (BITS_FRW_ACC + 17) +#define SHIFT_FRW_ROW (BITS_FRW_ACC + 17 - 3) //#define RND_FRW_ROW (262144 * (BITS_FRW_ACC - 1)) //; 1 << (SHIFT_FRW_ROW-1) #define RND_FRW_ROW (1 << (SHIFT_FRW_ROW-1)) //#define RND_FRW_COL (2 * (BITS_FRW_ACC - 1)) //; 1 << (SHIFT_FRW_COL-1) |