content/renderer/media/webrtc_audio_device_not_impl.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_AUDIO_DEVICE_NOT_IMPL_H_
   6 #define CONTENT_RENDERER_MEDIA_WEBRTC_AUDIO_DEVICE_NOT_IMPL_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/time/time.h"
  11 #include "content/common/content_export.h"
  12 #include "third_party/webrtc/modules/audio_device/include/audio_device.h"
  13
  14 namespace content {
  15
  16 // WebRtcAudioDeviceNotImpl contains default implementations of all methods
  17 // in the webrtc::AudioDeviceModule which are currently not supported in Chrome.
  18 // The real implementation is in WebRtcAudioDeviceImpl and it derives from
  19 // this class. The main purpose of breaking out non-implemented methods into
  20 // a separate unit is to make WebRtcAudioDeviceImpl more readable and easier
  21 // to maintain.
  22 class CONTENT_EXPORT WebRtcAudioDeviceNotImpl
  23     : NON_EXPORTED_BASE(public webrtc::AudioDeviceModule) {
  24  public:
  25   WebRtcAudioDeviceNotImpl();
  26
  27   // webrtc::Module implementation.
  28   // TODO(henrika): it is possible to add functionality in these methods.
  29   // Only adding very basic support for now without triggering any callback
  30   // in the webrtc::AudioDeviceObserver interface.
  31   virtual int32_t ChangeUniqueId(const int32_t id) override;
  32   virtual int32_t TimeUntilNextProcess() override;
  33   virtual int32_t Process() override;
  34
  35   // Methods in webrtc::AudioDeviceModule which are not yet implemented.
  36   // The idea is that we can move methods from this class to the real
  37   // implementation in WebRtcAudioDeviceImpl when needed.
  38
  39   virtual int32_t RegisterEventObserver(
  40       webrtc::AudioDeviceObserver* event_callback) override;
  41   virtual int32_t ActiveAudioLayer(AudioLayer* audio_layer) const override;
  42   virtual webrtc::AudioDeviceModule::ErrorCode LastError() const override;
  43   virtual int16_t PlayoutDevices() override;
  44   virtual int16_t RecordingDevices() override;
  45   virtual int32_t PlayoutDeviceName(
  46       uint16_t index, char name[webrtc::kAdmMaxDeviceNameSize],
  47       char guid[webrtc::kAdmMaxGuidSize]) override;
  48   virtual int32_t RecordingDeviceName(
  49       uint16_t index, char name[webrtc::kAdmMaxDeviceNameSize],
  50       char guid[webrtc::kAdmMaxGuidSize]) override;
  51   virtual int32_t SetPlayoutDevice(uint16_t index) override;
  52   virtual int32_t SetPlayoutDevice(WindowsDeviceType device) override;
  53   virtual int32_t SetRecordingDevice(uint16_t index) override;
  54   virtual int32_t SetRecordingDevice(WindowsDeviceType device) override;
  55   virtual int32_t InitPlayout() override;
  56   virtual int32_t InitRecording() override;
  57   virtual int32_t SetWaveOutVolume(uint16_t volume_left,
  58                                    uint16_t volume_right) override;
  59   virtual int32_t WaveOutVolume(uint16_t* volume_left,
  60                                 uint16_t* volume_right) const override;
  61   virtual int32_t InitSpeaker() override;
  62   virtual bool SpeakerIsInitialized() const override;
  63   virtual int32_t InitMicrophone() override;
  64   virtual bool MicrophoneIsInitialized() const override;
  65   virtual int32_t SpeakerVolumeIsAvailable(bool* available) override;
  66   virtual int32_t SetSpeakerVolume(uint32_t volume) override;
  67   virtual int32_t SpeakerVolume(uint32_t* volume) const override;
  68   virtual int32_t MaxSpeakerVolume(uint32_t* max_volume) const override;
  69   virtual int32_t MinSpeakerVolume(uint32_t* min_volume) const override;
  70   virtual int32_t SpeakerVolumeStepSize(uint16_t* step_size) const override;
  71   virtual int32_t MicrophoneVolumeIsAvailable(bool* available) override;
  72   virtual int32_t MicrophoneVolumeStepSize(
  73       uint16_t* step_size) const override;
  74   virtual int32_t SpeakerMuteIsAvailable(bool* available) override;
  75   virtual int32_t SetSpeakerMute(bool enable) override;
  76   virtual int32_t SpeakerMute(bool* enabled) const override;
  77   virtual int32_t MicrophoneMuteIsAvailable(bool* available) override;
  78   virtual int32_t SetMicrophoneMute(bool enable) override;
  79   virtual int32_t MicrophoneMute(bool* enabled) const override;
  80   virtual int32_t MicrophoneBoostIsAvailable(bool* available) override;
  81   virtual int32_t SetMicrophoneBoost(bool enable) override;
  82   virtual int32_t MicrophoneBoost(bool* enabled) const override;
  83   virtual int32_t SetStereoPlayout(bool enable) override;
  84   virtual int32_t StereoPlayout(bool* enabled) const override;
  85   virtual int32_t SetStereoRecording(bool enable) override;
  86   virtual int32_t StereoRecording(bool* enabled) const override;
  87   virtual int32_t SetRecordingChannel(const ChannelType channel) override;
  88   virtual int32_t RecordingChannel(ChannelType* channel) const override;
  89   virtual int32_t SetPlayoutBuffer(
  90       const BufferType type, uint16_t size_ms) override;
  91   virtual int32_t PlayoutBuffer(
  92       BufferType* type, uint16_t* size_ms) const override;
  93   virtual int32_t CPULoad(uint16_t* load) const override;
  94   virtual int32_t StartRawOutputFileRecording(
  95       const char pcm_file_name_utf8[webrtc::kAdmMaxFileNameSize]) override;
  96   virtual int32_t StopRawOutputFileRecording() override;
  97   virtual int32_t StartRawInputFileRecording(
  98       const char pcm_file_name_utf8[webrtc::kAdmMaxFileNameSize]) override;
  99   virtual int32_t StopRawInputFileRecording() override;
 100   virtual int32_t SetRecordingSampleRate(
 101       const uint32_t samples_per_sec) override;
 102   virtual int32_t SetPlayoutSampleRate(
 103       const uint32_t samples_per_sec) override;
 104   virtual int32_t ResetAudioDevice() override;
 105   virtual int32_t SetLoudspeakerStatus(bool enable) override;
 106   virtual int32_t GetLoudspeakerStatus(bool* enabled) const override;
 107   virtual int32_t SetAGC(bool enable) override;
 108   virtual bool AGC() const override;
 109
 110  protected:
 111   virtual ~WebRtcAudioDeviceNotImpl() {};
 112
 113  private:
 114   base::TimeTicks last_process_time_;
 115   DISALLOW_COPY_AND_ASSIGN(WebRtcAudioDeviceNotImpl);
 116 };
 117
 118 }  // namespace content
 119
 120 #endif  // CONTENT_RENDERER_MEDIA_WEBRTC_AUDIO_DEVICE_NOT_IMPL_H_