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
|
/*
* 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.
*/
#ifndef WEBRTC_VOICE_ENGINE_VOE_BASE_IMPL_H
#define WEBRTC_VOICE_ENGINE_VOE_BASE_IMPL_H
#include "webrtc/voice_engine/include/voe_base.h"
#include "webrtc/modules/interface/module_common_types.h"
#include "webrtc/voice_engine/shared_data.h"
namespace webrtc
{
class ProcessThread;
class VoEBaseImpl: public VoEBase,
public AudioTransport,
public AudioDeviceObserver
{
public:
virtual int RegisterVoiceEngineObserver(VoiceEngineObserver& observer);
virtual int DeRegisterVoiceEngineObserver();
virtual int Init(AudioDeviceModule* external_adm = NULL,
AudioProcessing* audioproc = NULL);
virtual AudioProcessing* audio_processing() {
return _shared->audio_processing();
}
virtual int Terminate();
virtual int CreateChannel();
virtual int CreateChannel(const Config& config);
virtual int DeleteChannel(int channel);
virtual int StartReceive(int channel);
virtual int StartPlayout(int channel);
virtual int StartSend(int channel);
virtual int StopReceive(int channel);
virtual int StopPlayout(int channel);
virtual int StopSend(int channel);
virtual int GetVersion(char version[1024]);
virtual int LastError();
virtual AudioTransport* audio_transport() { return this; }
// AudioTransport
virtual int32_t
RecordedDataIsAvailable(const void* audioSamples,
uint32_t nSamples,
uint8_t nBytesPerSample,
uint8_t nChannels,
uint32_t samplesPerSec,
uint32_t totalDelayMS,
int32_t clockDrift,
uint32_t micLevel,
bool keyPressed,
uint32_t& newMicLevel);
virtual int32_t NeedMorePlayData(uint32_t nSamples,
uint8_t nBytesPerSample,
uint8_t nChannels,
uint32_t samplesPerSec,
void* audioSamples,
uint32_t& nSamplesOut,
int64_t* elapsed_time_ms,
int64_t* ntp_time_ms);
virtual int OnDataAvailable(const int voe_channels[],
int number_of_voe_channels,
const int16_t* audio_data,
int sample_rate,
int number_of_channels,
int number_of_frames,
int audio_delay_milliseconds,
int volume,
bool key_pressed,
bool need_audio_processing);
virtual void OnData(int voe_channel, const void* audio_data,
int bits_per_sample, int sample_rate,
int number_of_channels, int number_of_frames);
virtual void PushCaptureData(int voe_channel, const void* audio_data,
int bits_per_sample, int sample_rate,
int number_of_channels, int number_of_frames);
virtual void PullRenderData(int bits_per_sample, int sample_rate,
int number_of_channels, int number_of_frames,
void* audio_data,
int64_t* elapsed_time_ms,
int64_t* ntp_time_ms);
// AudioDeviceObserver
virtual void OnErrorIsReported(ErrorCode error);
virtual void OnWarningIsReported(WarningCode warning);
protected:
VoEBaseImpl(voe::SharedData* shared);
virtual ~VoEBaseImpl();
private:
int32_t StartPlayout();
int32_t StopPlayout();
int32_t StartSend();
int32_t StopSend();
int32_t TerminateInternal();
// Helper function to process the recorded data with AudioProcessing Module,
// demultiplex the data to specific voe channels, encode and send to the
// network. When |number_of_VoE_channels| is 0, it will demultiplex the
// data to all the existing VoE channels.
// It returns new AGC microphone volume or 0 if no volume changes
// should be done.
int ProcessRecordedDataWithAPM(const int voe_channels[],
int number_of_voe_channels,
const void* audio_data,
uint32_t sample_rate,
uint8_t number_of_channels,
uint32_t number_of_frames,
uint32_t audio_delay_milliseconds,
int32_t clock_drift,
uint32_t volume,
bool key_pressed);
void GetPlayoutData(int sample_rate, int number_of_channels,
int number_of_frames, bool feed_data_to_apm,
void* audio_data,
int64_t* elapsed_time_ms,
int64_t* ntp_time_ms);
int32_t AddBuildInfo(char* str) const;
int32_t AddVoEVersion(char* str) const;
// Initialize channel by setting Engine Information then initializing
// channel.
int InitializeChannel(voe::ChannelOwner* channel_owner);
#ifdef WEBRTC_EXTERNAL_TRANSPORT
int32_t AddExternalTransportBuild(char* str) const;
#endif
VoiceEngineObserver* _voiceEngineObserverPtr;
CriticalSectionWrapper& _callbackCritSect;
bool _voiceEngineObserver;
AudioFrame _audioFrame;
voe::SharedData* _shared;
};
} // namespace webrtc
#endif // WEBRTC_VOICE_ENGINE_VOE_BASE_IMPL_H
|
