2012-09-10 17:58:21 +00:00
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/*
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* Copyright (c) 2012 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_IPHONE_H
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#define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_IPHONE_H
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#include <AudioUnit/AudioUnit.h>
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#include "audio_device_generic.h"
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#include "critical_section_wrapper.h"
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namespace webrtc {
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class ThreadWrapper;
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const WebRtc_UWord32 N_REC_SAMPLES_PER_SEC = 44000;
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const WebRtc_UWord32 N_PLAY_SAMPLES_PER_SEC = 44000;
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const WebRtc_UWord32 N_REC_CHANNELS = 1; // default is mono recording
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const WebRtc_UWord32 N_PLAY_CHANNELS = 1; // default is mono playout
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const WebRtc_UWord32 N_DEVICE_CHANNELS = 8;
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const WebRtc_UWord32 ENGINE_REC_BUF_SIZE_IN_SAMPLES = (N_REC_SAMPLES_PER_SEC
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/ 100);
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const WebRtc_UWord32 ENGINE_PLAY_BUF_SIZE_IN_SAMPLES = (N_PLAY_SAMPLES_PER_SEC
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/ 100);
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// Number of 10 ms recording blocks in recording buffer
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const WebRtc_UWord16 N_REC_BUFFERS = 20;
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class AudioDeviceIPhone : public AudioDeviceGeneric {
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public:
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AudioDeviceIPhone(const WebRtc_Word32 id);
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~AudioDeviceIPhone();
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// Retrieve the currently utilized audio layer
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virtual WebRtc_Word32
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ActiveAudioLayer(AudioDeviceModule::AudioLayer& audioLayer) const;
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// Main initializaton and termination
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virtual WebRtc_Word32 Init();
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virtual WebRtc_Word32 Terminate();
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virtual bool Initialized() const;
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// Device enumeration
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virtual WebRtc_Word16 PlayoutDevices();
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virtual WebRtc_Word16 RecordingDevices();
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virtual WebRtc_Word32 PlayoutDeviceName(WebRtc_UWord16 index,
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char name[kAdmMaxDeviceNameSize],
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char guid[kAdmMaxGuidSize]);
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virtual WebRtc_Word32 RecordingDeviceName(WebRtc_UWord16 index,
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char name[kAdmMaxDeviceNameSize],
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char guid[kAdmMaxGuidSize]);
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// Device selection
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virtual WebRtc_Word32 SetPlayoutDevice(WebRtc_UWord16 index);
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virtual WebRtc_Word32
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SetPlayoutDevice(AudioDeviceModule::WindowsDeviceType device);
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virtual WebRtc_Word32 SetRecordingDevice(WebRtc_UWord16 index);
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virtual WebRtc_Word32 SetRecordingDevice(
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AudioDeviceModule::WindowsDeviceType device);
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// Audio transport initialization
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virtual WebRtc_Word32 PlayoutIsAvailable(bool& available);
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virtual WebRtc_Word32 InitPlayout();
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virtual bool PlayoutIsInitialized() const;
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virtual WebRtc_Word32 RecordingIsAvailable(bool& available);
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virtual WebRtc_Word32 InitRecording();
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virtual bool RecordingIsInitialized() const;
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// Audio transport control
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virtual WebRtc_Word32 StartPlayout();
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virtual WebRtc_Word32 StopPlayout();
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virtual bool Playing() const;
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virtual WebRtc_Word32 StartRecording();
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virtual WebRtc_Word32 StopRecording();
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virtual bool Recording() const;
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// Microphone Automatic Gain Control (AGC)
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virtual WebRtc_Word32 SetAGC(bool enable);
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virtual bool AGC() const;
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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);
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virtual WebRtc_Word32 WaveOutVolume(WebRtc_UWord16& volumeLeft,
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WebRtc_UWord16& volumeRight) const;
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// Audio mixer initialization
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virtual WebRtc_Word32 SpeakerIsAvailable(bool& available);
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virtual WebRtc_Word32 InitSpeaker();
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virtual bool SpeakerIsInitialized() const;
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virtual WebRtc_Word32 MicrophoneIsAvailable(bool& available);
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virtual WebRtc_Word32 InitMicrophone();
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virtual bool MicrophoneIsInitialized() const;
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// Speaker volume controls
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virtual WebRtc_Word32 SpeakerVolumeIsAvailable(bool& available);
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virtual WebRtc_Word32 SetSpeakerVolume(WebRtc_UWord32 volume);
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virtual WebRtc_Word32 SpeakerVolume(WebRtc_UWord32& volume) const;
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virtual WebRtc_Word32 MaxSpeakerVolume(WebRtc_UWord32& maxVolume) const;
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virtual WebRtc_Word32 MinSpeakerVolume(WebRtc_UWord32& minVolume) const;
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virtual WebRtc_Word32 SpeakerVolumeStepSize(WebRtc_UWord16& stepSize) const;
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// Microphone volume controls
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virtual WebRtc_Word32 MicrophoneVolumeIsAvailable(bool& available);
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virtual WebRtc_Word32 SetMicrophoneVolume(WebRtc_UWord32 volume);
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virtual WebRtc_Word32 MicrophoneVolume(WebRtc_UWord32& volume) const;
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virtual WebRtc_Word32 MaxMicrophoneVolume(WebRtc_UWord32& maxVolume) const;
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virtual WebRtc_Word32 MinMicrophoneVolume(WebRtc_UWord32& minVolume) const;
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virtual WebRtc_Word32
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MicrophoneVolumeStepSize(WebRtc_UWord16& stepSize) const;
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// Microphone mute control
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virtual WebRtc_Word32 MicrophoneMuteIsAvailable(bool& available);
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virtual WebRtc_Word32 SetMicrophoneMute(bool enable);
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virtual WebRtc_Word32 MicrophoneMute(bool& enabled) const;
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// Speaker mute control
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virtual WebRtc_Word32 SpeakerMuteIsAvailable(bool& available);
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virtual WebRtc_Word32 SetSpeakerMute(bool enable);
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virtual WebRtc_Word32 SpeakerMute(bool& enabled) const;
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// Microphone boost control
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virtual WebRtc_Word32 MicrophoneBoostIsAvailable(bool& available);
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virtual WebRtc_Word32 SetMicrophoneBoost(bool enable);
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virtual WebRtc_Word32 MicrophoneBoost(bool& enabled) const;
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// Stereo support
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virtual WebRtc_Word32 StereoPlayoutIsAvailable(bool& available);
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virtual WebRtc_Word32 SetStereoPlayout(bool enable);
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virtual WebRtc_Word32 StereoPlayout(bool& enabled) const;
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virtual WebRtc_Word32 StereoRecordingIsAvailable(bool& available);
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virtual WebRtc_Word32 SetStereoRecording(bool enable);
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virtual WebRtc_Word32 StereoRecording(bool& enabled) const;
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// Delay information and control
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virtual WebRtc_Word32
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SetPlayoutBuffer(const AudioDeviceModule::BufferType type,
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WebRtc_UWord16 sizeMS);
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virtual WebRtc_Word32 PlayoutBuffer(AudioDeviceModule::BufferType& type,
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WebRtc_UWord16& sizeMS) const;
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virtual WebRtc_Word32 PlayoutDelay(WebRtc_UWord16& delayMS) const;
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virtual WebRtc_Word32 RecordingDelay(WebRtc_UWord16& delayMS) const;
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// CPU load
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virtual WebRtc_Word32 CPULoad(WebRtc_UWord16& load) const;
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public:
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virtual bool PlayoutWarning() const;
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virtual bool PlayoutError() const;
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virtual bool RecordingWarning() const;
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virtual bool RecordingError() const;
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virtual void ClearPlayoutWarning();
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virtual void ClearPlayoutError();
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virtual void ClearRecordingWarning();
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virtual void ClearRecordingError();
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public:
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virtual void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer);
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// Reset Audio Deivce (for mobile devices only)
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virtual WebRtc_Word32 ResetAudioDevice();
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// enable or disable loud speaker (for iphone only)
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virtual WebRtc_Word32 SetLoudspeakerStatus(bool enable);
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virtual WebRtc_Word32 GetLoudspeakerStatus(bool& enabled) const;
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private:
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void Lock() {
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_critSect.Enter();
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}
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void UnLock() {
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_critSect.Leave();
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}
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WebRtc_Word32 Id() {
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return _id;
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}
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// Init and shutdown
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WebRtc_Word32 InitPlayOrRecord();
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WebRtc_Word32 ShutdownPlayOrRecord();
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void UpdateRecordingDelay();
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void UpdatePlayoutDelay();
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static OSStatus RecordProcess(void *inRefCon,
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AudioUnitRenderActionFlags *ioActionFlags,
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const AudioTimeStamp *WebRtc_Word32imeStamp,
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UInt32 inBusNumber,
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UInt32 inNumberFrames,
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AudioBufferList *ioData);
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static OSStatus PlayoutProcess(void *inRefCon,
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AudioUnitRenderActionFlags *ioActionFlags,
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const AudioTimeStamp *WebRtc_Word32imeStamp,
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UInt32 inBusNumber,
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UInt32 inNumberFrames,
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AudioBufferList *ioData);
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OSStatus RecordProcessImpl(AudioUnitRenderActionFlags *ioActionFlags,
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const AudioTimeStamp *WebRtc_Word32imeStamp,
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WebRtc_UWord32 inBusNumber,
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WebRtc_UWord32 inNumberFrames);
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OSStatus PlayoutProcessImpl(WebRtc_UWord32 inNumberFrames,
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AudioBufferList *ioData);
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static bool RunCapture(void* ptrThis);
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bool CaptureWorkerThread();
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private:
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AudioDeviceBuffer* _ptrAudioBuffer;
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CriticalSectionWrapper& _critSect;
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ThreadWrapper* _captureWorkerThread;
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WebRtc_UWord32 _captureWorkerThreadId;
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WebRtc_Word32 _id;
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2013-01-30 21:18:31 +00:00
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AudioUnit _auVoiceProcessing;
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2012-09-10 17:58:21 +00:00
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private:
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bool _initialized;
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bool _isShutDown;
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bool _recording;
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bool _playing;
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bool _recIsInitialized;
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bool _playIsInitialized;
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bool _recordingDeviceIsSpecified;
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bool _playoutDeviceIsSpecified;
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bool _micIsInitialized;
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bool _speakerIsInitialized;
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bool _AGC;
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// The sampling rate to use with Audio Device Buffer
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WebRtc_UWord32 _adbSampFreq;
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// Delay calculation
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WebRtc_UWord32 _recordingDelay;
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WebRtc_UWord32 _playoutDelay;
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WebRtc_UWord32 _playoutDelayMeasurementCounter;
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WebRtc_UWord32 _recordingDelayHWAndOS;
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WebRtc_UWord32 _recordingDelayMeasurementCounter;
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// Errors and warnings count
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WebRtc_UWord16 _playWarning;
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WebRtc_UWord16 _playError;
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WebRtc_UWord16 _recWarning;
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WebRtc_UWord16 _recError;
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// Playout buffer, needed for 44.0 / 44.1 kHz mismatch
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WebRtc_Word16 _playoutBuffer[ENGINE_PLAY_BUF_SIZE_IN_SAMPLES];
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WebRtc_UWord32 _playoutBufferUsed; // How much is filled
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// Recording buffers
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WebRtc_Word16
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_recordingBuffer[N_REC_BUFFERS][ENGINE_REC_BUF_SIZE_IN_SAMPLES];
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WebRtc_UWord32 _recordingLength[N_REC_BUFFERS];
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WebRtc_UWord32 _recordingSeqNumber[N_REC_BUFFERS];
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WebRtc_UWord32 _recordingCurrentSeq;
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// Current total size all data in buffers, used for delay estimate
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WebRtc_UWord32 _recordingBufferTotalSize;
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_DEVICE_MAIN_SOURCE_MAC_AUDIO_DEVICE_IPHONE_H_
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