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| author | Kenan Gillet <kenan.gillet@gmail.com> | 2008-11-09 12:00:47 +0000 |
|---|---|---|
| committer | Vitor Sessak <vitor1001@gmail.com> | 2008-11-09 12:00:47 +0000 |
| commit | 2ae1a9b2642d848d01475386f15967f00ae43503 (patch) | |
| tree | 141d7a4323bfd69ae0eddfbc267e4a67177b2176 /libavcodec/qcelpdata.h | |
| parent | 3d4fc61064624ab3c65ea525b6b104ca1fa40c1f (diff) | |
| download | ffmpeg-2ae1a9b2642d848d01475386f15967f00ae43503.tar.gz | |
More OKed parts of the QCELP decoder
patch by Kenan Gillet, kenan.gillet gmail com
Originally committed as revision 15797 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/qcelpdata.h')
| -rw-r--r-- | libavcodec/qcelpdata.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libavcodec/qcelpdata.h b/libavcodec/qcelpdata.h index cf54c811bf..e5e9de5868 100644 --- a/libavcodec/qcelpdata.h +++ b/libavcodec/qcelpdata.h @@ -378,4 +378,54 @@ static const qcelp_vector * const qcelp_lspvq[5] = { qcelp_lspvq5 }; +/** + * circular codebook for rate 1 frames in x*100 form + * + * TIA/EIA/IS-733 2.4.6.1-2 + */ +static const int16_t qcelp_rate_full_codebook[128] = { + 10, -65, -59, 12, 110, 34, -134, 157, + 104, -84, -34, -115, 23, -101, 3, 45, + -101, -16, -59, 28, -45, 134, -67, 22, + 61, -29, 226, -26, -55, -179, 157, -51, + -220, -93, -37, 60, 118, 74, -48, -95, + -181, 111, 36, -52, -215, 78, -112, 39, + -17, -47, -223, 19, 12, -98, -142, 130, + 54, -127, 21, -12, 39, -48, 12, 128, + 6, -167, 82, -102, -79, 55, -44, 48, + -20, -53, 8, -61, 11, -70, -157, -168, + 20, -56, -74, 78, 33, -63, -173, -2, + -75, -53, -146, 77, 66, -29, 9, -75, + 65, 119, -43, 76, 233, 98, 125, -156, + -27, 78, -9, 170, 176, 143, -148, -7, + 27, -136, 5, 27, 18, 139, 204, 7, + -184, -197, 52, -3, 78, -189, 8, -65 +}; +#define QCELP_RATE_FULL_CODEBOOK_RATIO .01 + +/** + * circular codebook for rate 1/2 frames in x*2 form + * + * TIA/EIA/IS-733 2.4.6.1-1 + */ +static const int8_t qcelp_rate_half_codebook[128] = { + 0, -4, 0, -3, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, -3, -2, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 5, + 0, 0, 0, 0, 0, 0, 4, 0, + 0, 3, 2, 0, 3, 4, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 3, 0, 0, + -3, 3, 0, 0, -2, 0, 3, 0, + 0, 0, 0, 0, 0, 0, -5, 0, + 0, 0, 0, 3, 0, 0, 0, 3, + 0, 0, 0, 0, 0, 0, 0, 4, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 6, -3, -4, 0, -3, -3, + 3, -3, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0 +}; +#define QCELP_RATE_HALF_CODEBOOK_RATIO 0.5 + #endif /* AVCODEC_QCELPDATA_H */ |