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   int32_t ChangeUniqueId(const int32_t id) override;
  32   int32_t TimeUntilNextProcess() override;
  33   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   int32_t RegisterEventObserver(
  40       webrtc::AudioDeviceObserver* event_callback) override;
  41   int32_t ActiveAudioLayer(AudioLayer* audio_layer) const override;
  42   webrtc::AudioDeviceModule::ErrorCode LastError() const override;
  43   int16_t PlayoutDevices() override;
  44   int16_t RecordingDevices() override;
  45   int32_t PlayoutDeviceName(uint16_t index,
  46                             char name[webrtc::kAdmMaxDeviceNameSize],
  47                             char guid[webrtc::kAdmMaxGuidSize]) override;
  48   int32_t RecordingDeviceName(uint16_t index,
  49                               char name[webrtc::kAdmMaxDeviceNameSize],
  50                               char guid[webrtc::kAdmMaxGuidSize]) override;
  51   int32_t SetPlayoutDevice(uint16_t index) override;
  52   int32_t SetPlayoutDevice(WindowsDeviceType device) override;
  53   int32_t SetRecordingDevice(uint16_t index) override;
  54   int32_t SetRecordingDevice(WindowsDeviceType device) override;
  55   int32_t InitPlayout() override;
  56   int32_t InitRecording() override;
  57   int32_t SetWaveOutVolume(uint16_t volume_left,
  58                            uint16_t volume_right) override;
  59   int32_t WaveOutVolume(uint16_t* volume_left,
  60                         uint16_t* volume_right) const override;
  61   int32_t InitSpeaker() override;
  62   bool SpeakerIsInitialized() const override;
  63   int32_t InitMicrophone() override;
  64   bool MicrophoneIsInitialized() const override;
  65   int32_t SpeakerVolumeIsAvailable(bool* available) override;
  66   int32_t SetSpeakerVolume(uint32_t volume) override;
  67   int32_t SpeakerVolume(uint32_t* volume) const override;
  68   int32_t MaxSpeakerVolume(uint32_t* max_volume) const override;
  69   int32_t MinSpeakerVolume(uint32_t* min_volume) const override;
  70   int32_t SpeakerVolumeStepSize(uint16_t* step_size) const override;
  71   int32_t MicrophoneVolumeIsAvailable(bool* available) override;
  72   int32_t MicrophoneVolumeStepSize(uint16_t* step_size) const override;
  73   int32_t SpeakerMuteIsAvailable(bool* available) override;
  74   int32_t SetSpeakerMute(bool enable) override;
  75   int32_t SpeakerMute(bool* enabled) const override;
  76   int32_t MicrophoneMuteIsAvailable(bool* available) override;
  77   int32_t SetMicrophoneMute(bool enable) override;
  78   int32_t MicrophoneMute(bool* enabled) const override;
  79   int32_t MicrophoneBoostIsAvailable(bool* available) override;
  80   int32_t SetMicrophoneBoost(bool enable) override;
  81   int32_t MicrophoneBoost(bool* enabled) const override;
  82   int32_t SetStereoPlayout(bool enable) override;
  83   int32_t StereoPlayout(bool* enabled) const override;
  84   int32_t SetStereoRecording(bool enable) override;
  85   int32_t StereoRecording(bool* enabled) const override;
  86   int32_t SetRecordingChannel(const ChannelType channel) override;
  87   int32_t RecordingChannel(ChannelType* channel) const override;
  88   int32_t SetPlayoutBuffer(const BufferType type, uint16_t size_ms) override;
  89   int32_t PlayoutBuffer(BufferType* type, uint16_t* size_ms) const override;
  90   int32_t CPULoad(uint16_t* load) const override;
  91   int32_t StartRawOutputFileRecording(
  92       const char pcm_file_name_utf8[webrtc::kAdmMaxFileNameSize]) override;
  93   int32_t StopRawOutputFileRecording() override;
  94   int32_t StartRawInputFileRecording(
  95       const char pcm_file_name_utf8[webrtc::kAdmMaxFileNameSize]) override;
  96   int32_t StopRawInputFileRecording() override;
  97   int32_t SetRecordingSampleRate(const uint32_t samples_per_sec) override;
  98   int32_t SetPlayoutSampleRate(const uint32_t samples_per_sec) override;
  99   int32_t ResetAudioDevice() override;
 100   int32_t SetLoudspeakerStatus(bool enable) override;
 101   int32_t GetLoudspeakerStatus(bool* enabled) const override;
 102   int32_t SetAGC(bool enable) override;
 103   bool AGC() const override;
 104
 105  protected:
 106   ~WebRtcAudioDeviceNotImpl() override{};
 107
 108  private:
 109   base::TimeTicks last_process_time_;
 110   DISALLOW_COPY_AND_ASSIGN(WebRtcAudioDeviceNotImpl);
 111 };
 112
 113 }  // namespace content
 114
 115 #endif  // CONTENT_RENDERER_MEDIA_WEBRTC_AUDIO_DEVICE_NOT_IMPL_H_