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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* codec.h
*
* This header file contains the calls to the internal encoder
* and decoder functions.
*
*/
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_CODEC_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_CODEC_H_
#include "structs.h"
int WebRtcIsacfix_EstimateBandwidth(BwEstimatorstr *bwest_str,
Bitstr_dec *streamdata,
WebRtc_Word32 packet_size,
WebRtc_UWord16 rtp_seq_number,
WebRtc_UWord32 send_ts,
WebRtc_UWord32 arr_ts);
WebRtc_Word16 WebRtcIsacfix_DecodeImpl(WebRtc_Word16 *signal_out16,
ISACFIX_DecInst_t *ISACdec_obj,
WebRtc_Word16 *current_framesamples);
WebRtc_Word16 WebRtcIsacfix_DecodePlcImpl(WebRtc_Word16 *decoded,
ISACFIX_DecInst_t *ISACdec_obj,
WebRtc_Word16 *current_framesample );
int WebRtcIsacfix_EncodeImpl(WebRtc_Word16 *in,
ISACFIX_EncInst_t *ISACenc_obj,
BwEstimatorstr *bw_estimatordata,
WebRtc_Word16 CodingMode);
int WebRtcIsacfix_EncodeStoredData(ISACFIX_EncInst_t *ISACenc_obj,
int BWnumber,
float scale);
/* initialization functions */
void WebRtcIsacfix_InitMaskingEnc(MaskFiltstr_enc *maskdata);
void WebRtcIsacfix_InitMaskingDec(MaskFiltstr_dec *maskdata);
void WebRtcIsacfix_InitPreFilterbank(PreFiltBankstr *prefiltdata);
void WebRtcIsacfix_InitPostFilterbank(PostFiltBankstr *postfiltdata);
void WebRtcIsacfix_InitPitchFilter(PitchFiltstr *pitchfiltdata);
void WebRtcIsacfix_InitPitchAnalysis(PitchAnalysisStruct *State);
void WebRtcIsacfix_InitPlc( PLCstr *State );
/* transform functions */
void WebRtcIsacfix_InitTransform();
void WebRtcIsacfix_Time2Spec(WebRtc_Word16 *inre1Q9,
WebRtc_Word16 *inre2Q9,
WebRtc_Word16 *outre,
WebRtc_Word16 *outim);
void WebRtcIsacfix_Spec2Time(WebRtc_Word16 *inreQ7,
WebRtc_Word16 *inimQ7,
WebRtc_Word32 *outre1Q16,
WebRtc_Word32 *outre2Q16);
/* filterbank functions */
void WebRtcIsacfix_SplitAndFilter1(WebRtc_Word16 *in,
WebRtc_Word16 *LP16,
WebRtc_Word16 *HP16,
PreFiltBankstr *prefiltdata);
void WebRtcIsacfix_FilterAndCombine1(WebRtc_Word16 *tempin_ch1,
WebRtc_Word16 *tempin_ch2,
WebRtc_Word16 *out16,
PostFiltBankstr *postfiltdata);
#ifdef WEBRTC_ISAC_FIX_NB_CALLS_ENABLED
void WebRtcIsacfix_SplitAndFilter2(WebRtc_Word16 *in,
WebRtc_Word16 *LP16,
WebRtc_Word16 *HP16,
PreFiltBankstr *prefiltdata);
void WebRtcIsacfix_FilterAndCombine2(WebRtc_Word16 *tempin_ch1,
WebRtc_Word16 *tempin_ch2,
WebRtc_Word16 *out16,
PostFiltBankstr *postfiltdata,
WebRtc_Word16 len);
#endif
/* normalized lattice filters */
void WebRtcIsacfix_NormLatticeFilterMa(WebRtc_Word16 orderCoef,
WebRtc_Word32 *stateGQ15,
WebRtc_Word16 *lat_inQ0,
WebRtc_Word16 *filt_coefQ15,
WebRtc_Word32 *gain_lo_hiQ17,
WebRtc_Word16 lo_hi,
WebRtc_Word16 *lat_outQ9);
void WebRtcIsacfix_NormLatticeFilterAr(WebRtc_Word16 orderCoef,
WebRtc_Word16 *stateGQ0,
WebRtc_Word32 *lat_inQ25,
WebRtc_Word16 *filt_coefQ15,
WebRtc_Word32 *gain_lo_hiQ17,
WebRtc_Word16 lo_hi,
WebRtc_Word16 *lat_outQ0);
/* TODO(kma): Remove the following functions into individual header files. */
/* Internal functions in both C and ARM Neon versions */
int WebRtcIsacfix_AutocorrC(WebRtc_Word32* __restrict r,
const WebRtc_Word16* __restrict x,
WebRtc_Word16 N,
WebRtc_Word16 order,
WebRtc_Word16* __restrict scale);
void WebRtcIsacfix_FilterMaLoopC(int16_t input0,
int16_t input1,
int32_t input2,
int32_t* ptr0,
int32_t* ptr1,
int32_t* ptr2);
#if (defined WEBRTC_DETECT_ARM_NEON) || (defined WEBRTC_ARCH_ARM_NEON)
int WebRtcIsacfix_AutocorrNeon(WebRtc_Word32* __restrict r,
const WebRtc_Word16* __restrict x,
WebRtc_Word16 N,
WebRtc_Word16 order,
WebRtc_Word16* __restrict scale);
void WebRtcIsacfix_FilterMaLoopNeon(int16_t input0,
int16_t input1,
int32_t input2,
int32_t* ptr0,
int32_t* ptr1,
int32_t* ptr2);
#endif
/* Function pointers associated with the above functions. */
typedef int (*AutocorrFix)(WebRtc_Word32* __restrict r,
const WebRtc_Word16* __restrict x,
WebRtc_Word16 N,
WebRtc_Word16 order,
WebRtc_Word16* __restrict scale);
extern AutocorrFix WebRtcIsacfix_AutocorrFix;
typedef void (*FilterMaLoopFix)(int16_t input0,
int16_t input1,
int32_t input2,
int32_t* ptr0,
int32_t* ptr1,
int32_t* ptr2);
extern FilterMaLoopFix WebRtcIsacfix_FilterMaLoopFix;
#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_CODEC_H_ */
|
