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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.
     37     uint32_t instance_id() const { return _instanceId; }
     38     Statistics& statistics() { return _engineStatistics; }
     39     ChannelManager& channel_manager() { return _channelManager; }
     40     AudioDeviceModule* audio_device() { return _audioDevicePtr; }
     41     void set_audio_device(AudioDeviceModule* audio_device);
     42     AudioProcessing* audio_processing() { return audioproc_.get(); }
     43     void set_audio_processing(AudioProcessing* audio_processing);
     44     TransmitMixer* transmit_mixer() { return _transmitMixerPtr; }
     45     OutputMixer* output_mixer() { return _outputMixerPtr; }
     46     CriticalSectionWrapper* crit_sec() { return _apiCritPtr; }
     47     ProcessThread* process_thread() { return _moduleProcessThreadPtr.get(); }
     48     AudioDeviceModule::AudioLayer audio_device_layer() const {
     49       return _audioDeviceLayer;
     50     }
     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