1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/* Copyright (C) 2002 Jean-Marc Valin
File: modes.h
Describes the different modes of the codec
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef MODES_H
#define MODES_H
#include "bits.h"
/* Quantizes LSPs */
typedef void (*lsp_quant_func)(float *, float *, int, FrameBits *);
/* Decodes quantized LSPs */
typedef void (*lsp_unquant_func)(float *, int, FrameBits *);
/*Long-term predictor quantization*/
typedef void (*ltp_quant_func)(float *, float *, float *,
float *, float *, void *, int, int,
int, int, FrameBits*, float *);
/*Long-term un-quantize*/
typedef void (*ltp_unquant_func)(float *, int, int, void *, int, FrameBits*, float*);
typedef void (*innovation_quant_func)(float *, float *, float *, float *, void *, int, int,
float *, FrameBits *, float *);
typedef void (*innovation_unquant_func)(float *, void *, int, FrameBits*, float *);
/*Struct defining the encoding/decoding mode*/
typedef struct SpeexMode {
int frameSize;
int subframeSize;
int windowSize;
int lpcSize;
int bufSize;
int pitchStart;
int pitchEnd;
float gamma1;
float gamma2;
/*LSP functions*/
lsp_quant_func lsp_quant;
lsp_unquant_func lsp_unquant;
/*Lont-term predictor functions*/
ltp_quant_func ltp_quant;
ltp_unquant_func ltp_unquant;
void *ltp_params;
/*Quantization of innovation */
innovation_quant_func innovation_quant;
innovation_unquant_func innovation_unquant;
void *innovation_params;
} SpeexMode;
extern SpeexMode nb_mode;
extern SpeexMode wb_mode;
#endif
|