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| author | Michael Niedermayer <michaelni@gmx.at> | 2002-04-07 02:03:32 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2002-04-07 02:03:32 +0000 |
| commit | 3bf43d42eda38abd5b75d004e1431d71aacfbe48 (patch) | |
| tree | 125b6236234e228bfa5646155d59f9148e89ae9c /libavcodec/mpeg4data.h | |
| parent | e1a9dbffed0b9d087d9f062ee61c493dd262caba (diff) | |
| download | ffmpeg-3bf43d42eda38abd5b75d004e1431d71aacfbe48.tar.gz | |
mpeg4 mpeg quantizer support
Originally committed as revision 381 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpeg4data.h')
| -rw-r--r-- | libavcodec/mpeg4data.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/libavcodec/mpeg4data.h b/libavcodec/mpeg4data.h index 91b99625fc..d94b1d9efe 100644 --- a/libavcodec/mpeg4data.h +++ b/libavcodec/mpeg4data.h @@ -122,3 +122,27 @@ static const UINT16 pixel_aspect[16][2]={ {0, 0}, {0, 0}, }; + +/* these matrixes will be permuted for the idct */ +INT16 ff_mpeg4_default_intra_matrix[64] = { + 8, 17, 18, 19, 21, 23, 25, 27, + 17, 18, 19, 21, 23, 25, 27, 28, + 20, 21, 22, 23, 24, 26, 28, 30, + 21, 22, 23, 24, 26, 28, 30, 32, + 22, 23, 24, 26, 28, 30, 32, 35, + 23, 24, 26, 28, 30, 32, 35, 38, + 25, 26, 28, 30, 32, 35, 38, 41, + 27, 28, 30, 32, 35, 38, 41, 45, +}; + +INT16 ff_mpeg4_default_non_intra_matrix[64] = { + 16, 17, 18, 19, 20, 21, 22, 23, + 17, 18, 19, 20, 21, 22, 23, 24, + 18, 19, 20, 21, 22, 23, 24, 25, + 19, 20, 21, 22, 23, 24, 26, 27, + 20, 21, 22, 23, 25, 26, 27, 28, + 21, 22, 23, 24, 26, 27, 28, 30, + 22, 23, 24, 26, 27, 28, 30, 31, + 23, 24, 25, 27, 28, 30, 31, 33, +}; + |