1 /* Copyright (c) 2007-2008 CSIRO
2    Copyright (c) 2007-2009 Xiph.Org Foundation
3    Copyright (c) 2008 Gregory Maxwell
4    Written by Jean-Marc Valin and Gregory Maxwell */
5 /*
6    Redistribution and use in source and binary forms, with or without
7    modification, are permitted provided that the following conditions
8    are met:
9 
10    - Redistributions of source code must retain the above copyright
11    notice, this list of conditions and the following disclaimer.
12 
13    - Redistributions in binary form must reproduce the above copyright
14    notice, this list of conditions and the following disclaimer in the
15    documentation and/or other materials provided with the distribution.
16 
17    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29 
30 #ifndef MODES_H
31 #define MODES_H
32 
33 #include "opus_types.h"
34 #include "celt.h"
35 #include "arch.h"
36 #include "mdct.h"
37 #include "entenc.h"
38 #include "entdec.h"
39 
40 #define MAX_PERIOD 1024
41 
42 #ifndef OVERLAP
43 #define OVERLAP(mode) ((mode)->overlap)
44 #endif
45 
46 #ifndef FRAMESIZE
47 #define FRAMESIZE(mode) ((mode)->mdctSize)
48 #endif
49 
50 typedef struct {
51    int size;
52    const opus_int16 *index;
53    const unsigned char *bits;
54    const unsigned char *caps;
55 } PulseCache;
56 
57 /** Mode definition (opaque)
58  @brief Mode definition
59  */
60 struct OpusCustomMode {
61    opus_int32 Fs;
62    int          overlap;
63 
64    int          nbEBands;
65    int          effEBands;
66    opus_val16    preemph[4];
67    const opus_int16   *eBands;   /**< Definition for each "pseudo-critical band" */
68 
69    int         maxLM;
70    int         nbShortMdcts;
71    int         shortMdctSize;
72 
73    int          nbAllocVectors; /**< Number of lines in the matrix below */
74    const unsigned char   *allocVectors;   /**< Number of bits in each band for several rates */
75    const opus_int16 *logN;
76 
77    const opus_val16 *window;
78    mdct_lookup mdct;
79    PulseCache cache;
80 };
81 
82 
83 #endif
84