1/*
2 *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11/*
12 * spectrum_ar_model_tables.h
13 *
14 * This file contains definitions of tables with AR coefficients,
15 * Gain coefficients and cosine tables.
16 *
17 */
18
19#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_SPECTRUM_AR_MODEL_TABLES_H_
20#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_SPECTRUM_AR_MODEL_TABLES_H_
21
22#include "settings.h"
23#include "webrtc/typedefs.h"
24
25/********************* AR Coefficient Tables ************************/
26/* cdf for quantized reflection coefficient 1 */
27extern const uint16_t WebRtcIsacfix_kRc1Cdf[12];
28
29/* cdf for quantized reflection coefficient 2 */
30extern const uint16_t WebRtcIsacfix_kRc2Cdf[12];
31
32/* cdf for quantized reflection coefficient 3 */
33extern const uint16_t WebRtcIsacfix_kRc3Cdf[12];
34
35/* cdf for quantized reflection coefficient 4 */
36extern const uint16_t WebRtcIsacfix_kRc4Cdf[12];
37
38/* cdf for quantized reflection coefficient 5 */
39extern const uint16_t WebRtcIsacfix_kRc5Cdf[12];
40
41/* cdf for quantized reflection coefficient 6 */
42extern const uint16_t WebRtcIsacfix_kRc6Cdf[12];
43
44/* representation levels for quantized reflection coefficient 1 */
45extern const int16_t WebRtcIsacfix_kRc1Levels[11];
46
47/* representation levels for quantized reflection coefficient 2 */
48extern const int16_t WebRtcIsacfix_kRc2Levels[11];
49
50/* representation levels for quantized reflection coefficient 3 */
51extern const int16_t WebRtcIsacfix_kRc3Levels[11];
52
53/* representation levels for quantized reflection coefficient 4 */
54extern const int16_t WebRtcIsacfix_kRc4Levels[11];
55
56/* representation levels for quantized reflection coefficient 5 */
57extern const int16_t WebRtcIsacfix_kRc5Levels[11];
58
59/* representation levels for quantized reflection coefficient 6 */
60extern const int16_t WebRtcIsacfix_kRc6Levels[11];
61
62/* quantization boundary levels for reflection coefficients */
63extern const int16_t WebRtcIsacfix_kRcBound[12];
64
65/* initial indices for AR reflection coefficient quantizer and cdf table search */
66extern const uint16_t WebRtcIsacfix_kRcInitInd[AR_ORDER];
67
68/* pointers to AR cdf tables */
69extern const uint16_t *WebRtcIsacfix_kRcCdfPtr[AR_ORDER];
70
71/* pointers to AR representation levels tables */
72extern const int16_t *WebRtcIsacfix_kRcLevPtr[AR_ORDER];
73
74
75/******************** GAIN Coefficient Tables ***********************/
76/* cdf for Gain coefficient */
77extern const uint16_t WebRtcIsacfix_kGainCdf[19];
78
79/* representation levels for quantized Gain coefficient */
80extern const int32_t WebRtcIsacfix_kGain2Lev[18];
81
82/* squared quantization boundary levels for Gain coefficient */
83extern const int32_t WebRtcIsacfix_kGain2Bound[19];
84
85/* pointer to Gain cdf table */
86extern const uint16_t *WebRtcIsacfix_kGainPtr[1];
87
88/* Gain initial index for gain quantizer and cdf table search */
89extern const uint16_t WebRtcIsacfix_kGainInitInd[1];
90
91/************************* Cosine Tables ****************************/
92/* Cosine table */
93extern const int16_t WebRtcIsacfix_kCos[6][60];
94
95#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_SPECTRUM_AR_MODEL_TABLES_H_ */
96