180 lines
7.2 KiB
C++
180 lines
7.2 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_GENERIC_H
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#define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_GENERIC_H
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#include "audio_device.h"
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#include "audio_device_buffer.h"
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namespace webrtc {
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class AudioDeviceGeneric
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{
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public:
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// Retrieve the currently utilized audio layer
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virtual WebRtc_Word32 ActiveAudioLayer(
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AudioDeviceModule::AudioLayer& audioLayer) const = 0;
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// Main initializaton and termination
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virtual WebRtc_Word32 Init() = 0;
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virtual WebRtc_Word32 Terminate() = 0;
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virtual bool Initialized() const = 0;
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// Device enumeration
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virtual WebRtc_Word16 PlayoutDevices() = 0;
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virtual WebRtc_Word16 RecordingDevices() = 0;
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virtual WebRtc_Word32 PlayoutDeviceName(
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WebRtc_UWord16 index,
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WebRtc_Word8 name[kAdmMaxDeviceNameSize],
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WebRtc_Word8 guid[kAdmMaxGuidSize]) = 0;
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virtual WebRtc_Word32 RecordingDeviceName(
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WebRtc_UWord16 index,
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WebRtc_Word8 name[kAdmMaxDeviceNameSize],
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WebRtc_Word8 guid[kAdmMaxGuidSize]) = 0;
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// Device selection
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virtual WebRtc_Word32 SetPlayoutDevice(WebRtc_UWord16 index) = 0;
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virtual WebRtc_Word32 SetPlayoutDevice(
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AudioDeviceModule::WindowsDeviceType device) = 0;
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virtual WebRtc_Word32 SetRecordingDevice(WebRtc_UWord16 index) = 0;
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virtual WebRtc_Word32 SetRecordingDevice(
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AudioDeviceModule::WindowsDeviceType device) = 0;
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// Audio transport initialization
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virtual WebRtc_Word32 PlayoutIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 InitPlayout() = 0;
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virtual bool PlayoutIsInitialized() const = 0;
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virtual WebRtc_Word32 RecordingIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 InitRecording() = 0;
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virtual bool RecordingIsInitialized() const = 0;
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// Audio transport control
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virtual WebRtc_Word32 StartPlayout() = 0;
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virtual WebRtc_Word32 StopPlayout() = 0;
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virtual bool Playing() const = 0;
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virtual WebRtc_Word32 StartRecording() = 0;
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virtual WebRtc_Word32 StopRecording() = 0;
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virtual bool Recording() const = 0;
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// Microphone Automatic Gain Control (AGC)
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virtual WebRtc_Word32 SetAGC(bool enable) = 0;
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virtual bool AGC() const = 0;
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// Volume control based on the Windows Wave API (Windows only)
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virtual WebRtc_Word32 SetWaveOutVolume(WebRtc_UWord16 volumeLeft,
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WebRtc_UWord16 volumeRight) = 0;
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virtual WebRtc_Word32 WaveOutVolume(WebRtc_UWord16& volumeLeft,
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WebRtc_UWord16& volumeRight) const = 0;
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// Audio mixer initialization
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virtual WebRtc_Word32 SpeakerIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 InitSpeaker() = 0;
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virtual bool SpeakerIsInitialized() const = 0;
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virtual WebRtc_Word32 MicrophoneIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 InitMicrophone() = 0;
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virtual bool MicrophoneIsInitialized() const = 0;
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// Speaker volume controls
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virtual WebRtc_Word32 SpeakerVolumeIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 SetSpeakerVolume(WebRtc_UWord32 volume) = 0;
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virtual WebRtc_Word32 SpeakerVolume(WebRtc_UWord32& volume) const = 0;
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virtual WebRtc_Word32 MaxSpeakerVolume(WebRtc_UWord32& maxVolume) const = 0;
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virtual WebRtc_Word32 MinSpeakerVolume(WebRtc_UWord32& minVolume) const = 0;
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virtual WebRtc_Word32 SpeakerVolumeStepSize(
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WebRtc_UWord16& stepSize) const = 0;
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// Microphone volume controls
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virtual WebRtc_Word32 MicrophoneVolumeIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 SetMicrophoneVolume(WebRtc_UWord32 volume) = 0;
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virtual WebRtc_Word32 MicrophoneVolume(WebRtc_UWord32& volume) const = 0;
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virtual WebRtc_Word32 MaxMicrophoneVolume(
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WebRtc_UWord32& maxVolume) const = 0;
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virtual WebRtc_Word32 MinMicrophoneVolume(
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WebRtc_UWord32& minVolume) const = 0;
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virtual WebRtc_Word32 MicrophoneVolumeStepSize(
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WebRtc_UWord16& stepSize) const = 0;
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// Speaker mute control
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virtual WebRtc_Word32 SpeakerMuteIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 SetSpeakerMute(bool enable) = 0;
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virtual WebRtc_Word32 SpeakerMute(bool& enabled) const = 0;
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// Microphone mute control
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virtual WebRtc_Word32 MicrophoneMuteIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 SetMicrophoneMute(bool enable) = 0;
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virtual WebRtc_Word32 MicrophoneMute(bool& enabled) const = 0;
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// Microphone boost control
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virtual WebRtc_Word32 MicrophoneBoostIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 SetMicrophoneBoost(bool enable) = 0;
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virtual WebRtc_Word32 MicrophoneBoost(bool& enabled) const = 0;
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// Stereo support
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virtual WebRtc_Word32 StereoPlayoutIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 SetStereoPlayout(bool enable) = 0;
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virtual WebRtc_Word32 StereoPlayout(bool& enabled) const = 0;
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virtual WebRtc_Word32 StereoRecordingIsAvailable(bool& available) = 0;
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virtual WebRtc_Word32 SetStereoRecording(bool enable) = 0;
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virtual WebRtc_Word32 StereoRecording(bool& enabled) const = 0;
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// Delay information and control
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virtual WebRtc_Word32 SetPlayoutBuffer(
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const AudioDeviceModule::BufferType type,
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WebRtc_UWord16 sizeMS = 0) = 0;
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virtual WebRtc_Word32 PlayoutBuffer(
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AudioDeviceModule::BufferType& type, WebRtc_UWord16& sizeMS) const = 0;
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virtual WebRtc_Word32 PlayoutDelay(WebRtc_UWord16& delayMS) const = 0;
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virtual WebRtc_Word32 RecordingDelay(WebRtc_UWord16& delayMS) const = 0;
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// CPU load
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virtual WebRtc_Word32 CPULoad(WebRtc_UWord16& load) const = 0;
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// Native sample rate controls (samples/sec)
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virtual WebRtc_Word32 SetRecordingSampleRate(
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const WebRtc_UWord32 samplesPerSec);
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virtual WebRtc_Word32 SetPlayoutSampleRate(
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const WebRtc_UWord32 samplesPerSec);
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// Speaker audio routing (for mobile devices)
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virtual WebRtc_Word32 SetLoudspeakerStatus(bool enable);
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virtual WebRtc_Word32 GetLoudspeakerStatus(bool& enable) const;
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// Reset Audio Device (for mobile devices)
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virtual WebRtc_Word32 ResetAudioDevice();
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// Sound Audio Device control (for WinCE only)
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virtual WebRtc_Word32 SoundDeviceControl(unsigned int par1 = 0,
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unsigned int par2 = 0,
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unsigned int par3 = 0,
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unsigned int par4 = 0);
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public:
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virtual bool PlayoutWarning() const = 0;
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virtual bool PlayoutError() const = 0;
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virtual bool RecordingWarning() const = 0;
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virtual bool RecordingError() const = 0;
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virtual void ClearPlayoutWarning() = 0;
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virtual void ClearPlayoutError() = 0;
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virtual void ClearRecordingWarning() = 0;
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virtual void ClearRecordingError() = 0;
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public:
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virtual void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) = 0;
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virtual ~AudioDeviceGeneric() {}
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};
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} // namespace webrtc
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#endif // WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_GENERIC_H
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