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author | Sean Bartell <wingedtachikoma@gmail.com> | 2011-06-25 21:32:25 -0400 |
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committer | Nils Wallménius <nils@rockbox.org> | 2012-04-25 22:13:20 +0200 |
commit | f40bfc9267b13b54e6379dfe7539447662879d24 (patch) | |
tree | 9b20069d5e62809ff434061ad730096836f916f2 /lib/rbcodec/codecs/libspeex/quant_lsp.h | |
parent | a0009907de7a0107d49040d8a180f140e2eff299 (diff) | |
download | rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.gz rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.zip |
Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>
Diffstat (limited to 'lib/rbcodec/codecs/libspeex/quant_lsp.h')
-rw-r--r-- | lib/rbcodec/codecs/libspeex/quant_lsp.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libspeex/quant_lsp.h b/lib/rbcodec/codecs/libspeex/quant_lsp.h new file mode 100644 index 0000000000..0fc206be6f --- /dev/null +++ b/lib/rbcodec/codecs/libspeex/quant_lsp.h | |||
@@ -0,0 +1,74 @@ | |||
1 | /* Copyright (C) 2002 Jean-Marc Valin */ | ||
2 | /** | ||
3 | @file quant_lsp.h | ||
4 | @brief LSP vector quantization | ||
5 | */ | ||
6 | /* | ||
7 | Redistribution and use in source and binary forms, with or without | ||
8 | modification, are permitted provided that the following conditions | ||
9 | are met: | ||
10 | |||
11 | - Redistributions of source code must retain the above copyright | ||
12 | notice, this list of conditions and the following disclaimer. | ||
13 | |||
14 | - Redistributions in binary form must reproduce the above copyright | ||
15 | notice, this list of conditions and the following disclaimer in the | ||
16 | documentation and/or other materials provided with the distribution. | ||
17 | |||
18 | - Neither the name of the Xiph.org Foundation nor the names of its | ||
19 | contributors may be used to endorse or promote products derived from | ||
20 | this software without specific prior written permission. | ||
21 | |||
22 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
23 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
24 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
25 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR | ||
26 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
27 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
28 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
29 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
30 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
31 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
32 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
33 | */ | ||
34 | |||
35 | #ifndef QUANT_LSP_H | ||
36 | #define QUANT_LSP_H | ||
37 | |||
38 | #include "speex/speex_bits.h" | ||
39 | #include "arch.h" | ||
40 | |||
41 | #define MAX_LSP_SIZE 20 | ||
42 | |||
43 | #define NB_CDBK_SIZE 64 | ||
44 | #define NB_CDBK_SIZE_LOW1 64 | ||
45 | #define NB_CDBK_SIZE_LOW2 64 | ||
46 | #define NB_CDBK_SIZE_HIGH1 64 | ||
47 | #define NB_CDBK_SIZE_HIGH2 64 | ||
48 | |||
49 | /*Narrowband codebooks*/ | ||
50 | extern const signed char cdbk_nb[]; | ||
51 | extern const signed char cdbk_nb_low1[]; | ||
52 | extern const signed char cdbk_nb_low2[]; | ||
53 | extern const signed char cdbk_nb_high1[]; | ||
54 | extern const signed char cdbk_nb_high2[]; | ||
55 | |||
56 | /* Quantizes narrowband LSPs with 30 bits */ | ||
57 | void lsp_quant_nb(spx_lsp_t *lsp, spx_lsp_t *qlsp, int order, SpeexBits *bits); | ||
58 | |||
59 | /* Decodes quantized narrowband LSPs */ | ||
60 | void lsp_unquant_nb(spx_lsp_t *lsp, int order, SpeexBits *bits); | ||
61 | |||
62 | /* Quantizes low bit-rate narrowband LSPs with 18 bits */ | ||
63 | void lsp_quant_lbr(spx_lsp_t *lsp, spx_lsp_t *qlsp, int order, SpeexBits *bits); | ||
64 | |||
65 | /* Decodes quantized low bit-rate narrowband LSPs */ | ||
66 | void lsp_unquant_lbr(spx_lsp_t *lsp, int order, SpeexBits *bits); | ||
67 | |||
68 | /* Quantizes high-band LSPs with 12 bits */ | ||
69 | void lsp_quant_high(spx_lsp_t *lsp, spx_lsp_t *qlsp, int order, SpeexBits *bits); | ||
70 | |||
71 | /* Decodes high-band LSPs */ | ||
72 | void lsp_unquant_high(spx_lsp_t *lsp, int order, SpeexBits *bits); | ||
73 | |||
74 | #endif | ||