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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 #ifndef WEBRTC_VOICE_ENGINE_SHARED_DATA_H
12 #define WEBRTC_VOICE_ENGINE_SHARED_DATA_H
13 
14 #include "webrtc/base/scoped_ptr.h"
15 #include "webrtc/modules/audio_device/include/audio_device.h"
16 #include "webrtc/modules/audio_processing/include/audio_processing.h"
17 #include "webrtc/modules/utility/include/process_thread.h"
18 #include "webrtc/voice_engine/channel_manager.h"
19 #include "webrtc/voice_engine/statistics.h"
20 #include "webrtc/voice_engine/voice_engine_defines.h"
21 
22 class ProcessThread;
23 
24 namespace webrtc {
25 class Config;
26 class CriticalSectionWrapper;
27 
28 namespace voe {
29 
30 class TransmitMixer;
31 class OutputMixer;
32 
33 class SharedData
34 {
35 public:
36     // Public accessors.
instance_id()37     uint32_t instance_id() const { return _instanceId; }
statistics()38     Statistics& statistics() { return _engineStatistics; }
channel_manager()39     ChannelManager& channel_manager() { return _channelManager; }
audio_device()40     AudioDeviceModule* audio_device() { return _audioDevicePtr; }
41     void set_audio_device(AudioDeviceModule* audio_device);
audio_processing()42     AudioProcessing* audio_processing() { return audioproc_.get(); }
43     void set_audio_processing(AudioProcessing* audio_processing);
transmit_mixer()44     TransmitMixer* transmit_mixer() { return _transmitMixerPtr; }
output_mixer()45     OutputMixer* output_mixer() { return _outputMixerPtr; }
crit_sec()46     CriticalSectionWrapper* crit_sec() { return _apiCritPtr; }
process_thread()47     ProcessThread* process_thread() { return _moduleProcessThreadPtr.get(); }
audio_device_layer()48     AudioDeviceModule::AudioLayer audio_device_layer() const {
49       return _audioDeviceLayer;
50     }
set_audio_device_layer(AudioDeviceModule::AudioLayer layer)51     void set_audio_device_layer(AudioDeviceModule::AudioLayer layer) {
52       _audioDeviceLayer = layer;
53     }
54 
55     int NumOfSendingChannels();
56     int NumOfPlayingChannels();
57 
58     // Convenience methods for calling statistics().SetLastError().
59     void SetLastError(int32_t error) const;
60     void SetLastError(int32_t error, TraceLevel level) const;
61     void SetLastError(int32_t error, TraceLevel level,
62                       const char* msg) const;
63 
64 protected:
65     const uint32_t _instanceId;
66     CriticalSectionWrapper* _apiCritPtr;
67     ChannelManager _channelManager;
68     Statistics _engineStatistics;
69     AudioDeviceModule* _audioDevicePtr;
70     OutputMixer* _outputMixerPtr;
71     TransmitMixer* _transmitMixerPtr;
72     rtc::scoped_ptr<AudioProcessing> audioproc_;
73     rtc::scoped_ptr<ProcessThread> _moduleProcessThreadPtr;
74 
75     AudioDeviceModule::AudioLayer _audioDeviceLayer;
76 
77     SharedData(const Config& config);
78     virtual ~SharedData();
79 };
80 
81 }  // namespace voe
82 
83 }  // namespace webrtc
84 #endif // WEBRTC_VOICE_ENGINE_SHARED_DATA_H
85