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1 /*
2  *  Copyright (c) 2012 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 #include "webrtc/voice_engine/shared_data.h"
12 
13 #include "webrtc/modules/audio_processing/include/audio_processing.h"
14 #include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
15 #include "webrtc/system_wrappers/interface/trace.h"
16 #include "webrtc/voice_engine/channel.h"
17 #include "webrtc/voice_engine/output_mixer.h"
18 #include "webrtc/voice_engine/transmit_mixer.h"
19 
20 namespace webrtc {
21 
22 namespace voe {
23 
24 static int32_t _gInstanceCounter = 0;
25 
SharedData(const Config & config)26 SharedData::SharedData(const Config& config) :
27     _instanceId(++_gInstanceCounter),
28     _apiCritPtr(CriticalSectionWrapper::CreateCriticalSection()),
29     _channelManager(_gInstanceCounter, config),
30     _engineStatistics(_gInstanceCounter),
31     _audioDevicePtr(NULL),
32     _moduleProcessThreadPtr(ProcessThread::CreateProcessThread()),
33     _externalRecording(false),
34     _externalPlayout(false)
35 {
36     Trace::CreateTrace();
37     if (OutputMixer::Create(_outputMixerPtr, _gInstanceCounter) == 0)
38     {
39         _outputMixerPtr->SetEngineInformation(_engineStatistics);
40     }
41     if (TransmitMixer::Create(_transmitMixerPtr, _gInstanceCounter) == 0)
42     {
43         _transmitMixerPtr->SetEngineInformation(*_moduleProcessThreadPtr,
44                                                 _engineStatistics,
45                                                 _channelManager);
46     }
47     _audioDeviceLayer = AudioDeviceModule::kPlatformDefaultAudio;
48 }
49 
~SharedData()50 SharedData::~SharedData()
51 {
52     OutputMixer::Destroy(_outputMixerPtr);
53     TransmitMixer::Destroy(_transmitMixerPtr);
54     if (_audioDevicePtr) {
55         _audioDevicePtr->Release();
56     }
57     delete _apiCritPtr;
58     ProcessThread::DestroyProcessThread(_moduleProcessThreadPtr);
59     Trace::ReturnTrace();
60 }
61 
set_audio_device(AudioDeviceModule * audio_device)62 void SharedData::set_audio_device(AudioDeviceModule* audio_device)
63 {
64     // AddRef first in case the pointers are equal.
65     if (audio_device)
66       audio_device->AddRef();
67     if (_audioDevicePtr)
68       _audioDevicePtr->Release();
69     _audioDevicePtr = audio_device;
70 }
71 
set_audio_processing(AudioProcessing * audioproc)72 void SharedData::set_audio_processing(AudioProcessing* audioproc) {
73   audioproc_.reset(audioproc);
74   _transmitMixerPtr->SetAudioProcessingModule(audioproc);
75   _outputMixerPtr->SetAudioProcessingModule(audioproc);
76 }
77 
NumOfSendingChannels()78 int SharedData::NumOfSendingChannels() {
79   ChannelManager::Iterator it(&_channelManager);
80   int sending_channels = 0;
81 
82   for (ChannelManager::Iterator it(&_channelManager); it.IsValid();
83        it.Increment()) {
84     if (it.GetChannel()->Sending())
85       ++sending_channels;
86   }
87 
88   return sending_channels;
89 }
90 
NumOfPlayingChannels()91 int SharedData::NumOfPlayingChannels() {
92   ChannelManager::Iterator it(&_channelManager);
93   int playout_channels = 0;
94 
95   for (ChannelManager::Iterator it(&_channelManager); it.IsValid();
96        it.Increment()) {
97     if (it.GetChannel()->Playing())
98       ++playout_channels;
99   }
100 
101   return playout_channels;
102 }
103 
SetLastError(int32_t error) const104 void SharedData::SetLastError(int32_t error) const {
105   _engineStatistics.SetLastError(error);
106 }
107 
SetLastError(int32_t error,TraceLevel level) const108 void SharedData::SetLastError(int32_t error,
109                               TraceLevel level) const {
110   _engineStatistics.SetLastError(error, level);
111 }
112 
SetLastError(int32_t error,TraceLevel level,const char * msg) const113 void SharedData::SetLastError(int32_t error, TraceLevel level,
114                               const char* msg) const {
115   _engineStatistics.SetLastError(error, level, msg);
116 }
117 
118 }  // namespace voe
119 
120 }  // namespace webrtc
121