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| author | Thilo Borgmann <thilo.borgmann@googlemail.com> | 2009-11-14 06:29:19 +0000 |
|---|---|---|
| committer | Thilo Borgmann <thilo.borgmann@googlemail.com> | 2009-11-14 06:29:19 +0000 |
| commit | 93d38cf6b056b3cfd16fb86e65d6db2deeb34fb7 (patch) | |
| tree | 772ab51e260850e986ac8b4f21f93473c75015eb /libavcodec/als_data.h | |
| parent | 7934cbb3be7a03b1ae7a8a30613a7a75b1e28645 (diff) | |
| download | ffmpeg-93d38cf6b056b3cfd16fb86e65d6db2deeb34fb7.tar.gz | |
Add long-term prediction to the ALS decoder.
Originally committed as revision 20534 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/als_data.h')
| -rw-r--r-- | libavcodec/als_data.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libavcodec/als_data.h b/libavcodec/als_data.h index 8c052cde53..bcde466064 100644 --- a/libavcodec/als_data.h +++ b/libavcodec/als_data.h @@ -92,4 +92,14 @@ static const int16_t parcor_scaled_values[] = { }; +/** Gain values of p(0) for long-term prediction. + * To be indexed by the Rice coded indices. + */ +static const uint8_t ltp_gain_values [4][4] = { + { 0, 8, 16, 24}, + {32, 40, 48, 56}, + {64, 70, 76, 82}, + {88, 92, 96, 100} +}; + #endif /* AVCODEC_ALS_DATA_H */ |