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audio_device_module_win.h (3024B)

      1 /*
      2 *  Copyright (c) 2018 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 MODULES_AUDIO_DEVICE_WIN_AUDIO_DEVICE_MODULE_WIN_H_
     12 #define MODULES_AUDIO_DEVICE_WIN_AUDIO_DEVICE_MODULE_WIN_H_
     13 
     14 #include <memory>
     15 #include <string>
     16 
     17 #include "api/audio/audio_device.h"
     18 #include "api/environment/environment.h"
     19 #include "api/scoped_refptr.h"
     20 
     21 namespace webrtc {
     22 
     23 class AudioDeviceBuffer;
     24 
     25 namespace webrtc_win {
     26 
     27 // This interface represents the main input-related parts of the complete
     28 // AudioDeviceModule interface.
     29 class AudioInput {
     30 public:
     31  virtual ~AudioInput() {}
     32 
     33  virtual int Init() = 0;
     34  virtual int Terminate() = 0;
     35  virtual int NumDevices() const = 0;
     36  virtual int SetDevice(int index) = 0;
     37  virtual int SetDevice(AudioDeviceModule::WindowsDeviceType device) = 0;
     38  virtual int DeviceName(int index, std::string* name, std::string* guid) = 0;
     39  virtual void AttachAudioBuffer(AudioDeviceBuffer* audio_buffer) = 0;
     40  virtual bool RecordingIsInitialized() const = 0;
     41  virtual int InitRecording() = 0;
     42  virtual int StartRecording() = 0;
     43  virtual int StopRecording() = 0;
     44  virtual bool Recording() = 0;
     45  virtual int VolumeIsAvailable(bool* available) = 0;
     46  virtual int RestartRecording() = 0;
     47  virtual bool Restarting() const = 0;
     48  virtual int SetSampleRate(uint32_t sample_rate) = 0;
     49 };
     50 
     51 // This interface represents the main output-related parts of the complete
     52 // AudioDeviceModule interface.
     53 class AudioOutput {
     54 public:
     55  virtual ~AudioOutput() {}
     56 
     57  virtual int Init() = 0;
     58  virtual int Terminate() = 0;
     59  virtual int NumDevices() const = 0;
     60  virtual int SetDevice(int index) = 0;
     61  virtual int SetDevice(AudioDeviceModule::WindowsDeviceType device) = 0;
     62  virtual int DeviceName(int index, std::string* name, std::string* guid) = 0;
     63  virtual void AttachAudioBuffer(AudioDeviceBuffer* audio_buffer) = 0;
     64  virtual bool PlayoutIsInitialized() const = 0;
     65  virtual int InitPlayout() = 0;
     66  virtual int StartPlayout() = 0;
     67  virtual int StopPlayout() = 0;
     68  virtual bool Playing() = 0;
     69  virtual int VolumeIsAvailable(bool* available) = 0;
     70  virtual int RestartPlayout() = 0;
     71  virtual bool Restarting() const = 0;
     72  virtual int SetSampleRate(uint32_t sample_rate) = 0;
     73 };
     74 
     75 // Combines an AudioInput and an AudioOutput implementation to build an
     76 // AudioDeviceModule. Hides most parts of the full ADM interface.
     77 webrtc::scoped_refptr<AudioDeviceModuleForTest>
     78 CreateWindowsCoreAudioAudioDeviceModuleFromInputAndOutput(
     79    const Environment& env,
     80    std::unique_ptr<AudioInput> audio_input,
     81    std::unique_ptr<AudioOutput> audio_output);
     82 
     83 }  // namespace webrtc_win
     84 
     85 }  // namespace webrtc
     86 
     87 #endif  // MODULES_AUDIO_DEVICE_WIN_AUDIO_DEVICE_MODULE_WIN_H_