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https://github.com/kyleneideck/BackgroundMusic
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238 lines
14 KiB
C++
238 lines
14 KiB
C++
/*
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File: CAHALAudioDevice.h
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Abstract: Part of CoreAudio Utility Classes
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Version: 1.1
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
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Inc. ("Apple") in consideration of your agreement to the following
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terms, and your use, installation, modification or redistribution of
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this Apple software constitutes acceptance of these terms. If you do
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not agree with these terms, please do not use, install, modify or
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redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and
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subject to these terms, Apple grants you a personal, non-exclusive
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license, under Apple's copyrights in this original Apple software (the
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"Apple Software"), to use, reproduce, modify and redistribute the Apple
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Software, with or without modifications, in source and/or binary forms;
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provided that if you redistribute the Apple Software in its entirety and
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without modifications, you must retain this notice and the following
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text and disclaimers in all such redistributions of the Apple Software.
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Neither the name, trademarks, service marks or logos of Apple Inc. may
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be used to endorse or promote products derived from the Apple Software
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without specific prior written permission from Apple. Except as
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expressly stated in this notice, no other rights or licenses, express or
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implied, are granted by Apple herein, including but not limited to any
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patent rights that may be infringed by your derivative works or by other
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works in which the Apple Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE
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MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
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OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
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MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
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AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
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STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Copyright (C) 2014 Apple Inc. All Rights Reserved.
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*/
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#if !defined(__CAHALAudioDevice_h__)
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#define __CAHALAudioDevice_h__
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//==================================================================================================
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// Includes
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//==================================================================================================
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// Super Class Includes
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#include "CAHALAudioObject.h"
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// PublicUtility Includes
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#include "CADebugMacros.h"
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#include "CAException.h"
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//==================================================================================================
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// CAHALAudioDevice
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//==================================================================================================
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class CAHALAudioDevice
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:
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public CAHALAudioObject
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{
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// Construction/Destruction
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public:
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CAHALAudioDevice(AudioObjectID inAudioDevice);
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CAHALAudioDevice(CFStringRef inUID);
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virtual ~CAHALAudioDevice();
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// General Stuff
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public:
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CFStringRef CopyDeviceUID() const;
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bool HasModelUID() const;
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CFStringRef CopyModelUID() const;
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CFStringRef CopyConfigurationApplicationBundleID() const;
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CFURLRef CopyIconLocation() const;
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UInt32 GetTransportType() const;
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bool CanBeDefaultDevice(bool inIsInput, bool inIsSystem) const;
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bool HasDevicePlugInStatus() const;
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OSStatus GetDevicePlugInStatus() const;
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bool IsAlive() const;
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bool IsHidden() const;
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pid_t GetHogModeOwner() const;
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bool IsHogModeSettable() const;
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bool TakeHogMode();
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void ReleaseHogMode();
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bool HasPreferredStereoChannels(bool inIsInput) const;
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void GetPreferredStereoChannels(bool inIsInput, UInt32& outLeft, UInt32& outRight) const;
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void SetPreferredStereoChannels(bool inIsInput, UInt32 inLeft, UInt32 inRight);
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bool HasPreferredChannelLayout(bool inIsInput) const;
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void GetPreferredChannelLayout(bool inIsInput, AudioChannelLayout& outChannelLayout) const;
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void SetPreferredStereoChannels(bool inIsInput, AudioChannelLayout& inChannelLayout);
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UInt32 GetNumberRelatedAudioDevices() const;
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void GetRelatedAudioDevices(UInt32& ioNumberRelatedDevices, AudioObjectID* outRelatedDevices) const;
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AudioObjectID GetRelatedAudioDeviceByIndex(UInt32 inIndex) const;
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// Stream Stuff
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public:
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UInt32 GetNumberStreams(bool inIsInput) const;
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void GetStreams(bool inIsInput, UInt32& ioNumberStreams, AudioObjectID* outStreamList) const;
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AudioObjectID GetStreamByIndex(bool inIsInput, UInt32 inIndex) const;
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UInt32 GetTotalNumberChannels(bool inIsInput) const;
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void GetCurrentVirtualFormats(bool inIsInput, UInt32& ioNumberStreams, AudioStreamBasicDescription* outFormats) const;
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void GetCurrentPhysicalFormats(bool inIsInput, UInt32& ioNumberStreams, AudioStreamBasicDescription* outFormats) const;
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// IO Stuff
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public:
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bool IsRunning() const;
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bool IsRunningSomewhere() const;
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UInt32 GetLatency(bool inIsInput) const;
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UInt32 GetSafetyOffset(bool inIsInput) const;
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bool HasClockDomain() const;
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UInt32 GetClockDomain() const;
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Float64 GetActualSampleRate() const;
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Float64 GetNominalSampleRate() const;
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void SetNominalSampleRate(Float64 inSampleRate);
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UInt32 GetNumberAvailableNominalSampleRateRanges() const;
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void GetAvailableNominalSampleRateRanges(UInt32& ioNumberRanges, AudioValueRange* outRanges) const;
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void GetAvailableNominalSampleRateRangeByIndex(UInt32 inIndex, Float64& outMinimum, Float64& outMaximum) const;
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bool IsValidNominalSampleRate(Float64 inSampleRate) const;
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bool IsIOBufferSizeSettable() const;
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UInt32 GetIOBufferSize() const;
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void SetIOBufferSize(UInt32 inBufferSize);
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bool UsesVariableIOBufferSizes() const;
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UInt32 GetMaximumVariableIOBufferSize() const;
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bool HasIOBufferSizeRange() const;
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void GetIOBufferSizeRange(UInt32& outMinimum, UInt32& outMaximum) const;
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AudioDeviceIOProcID CreateIOProcID(AudioDeviceIOProc inIOProc, void* inClientData);
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AudioDeviceIOProcID CreateIOProcIDWithBlock(dispatch_queue_t inDispatchQueue, AudioDeviceIOBlock inIOBlock);
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void DestroyIOProcID(AudioDeviceIOProcID inIOProcID);
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void StartIOProc(AudioDeviceIOProcID inIOProcID);
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void StartIOProcAtTime(AudioDeviceIOProcID inIOProcID, AudioTimeStamp& ioStartTime, bool inIsInput, bool inIgnoreHardware);
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void StopIOProc(AudioDeviceIOProcID inIOProcID);
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void GetIOProcStreamUsage(AudioDeviceIOProcID inIOProcID, bool inIsInput, bool* outStreamUsage) const;
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void SetIOProcStreamUsage(AudioDeviceIOProcID inIOProcID, bool inIsInput, const bool* inStreamUsage);
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Float32 GetIOCycleUsage() const;
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void SetIOCycleUsage(Float32 inValue);
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// Time Operations
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public:
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void GetCurrentTime(AudioTimeStamp& outTime);
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void TranslateTime(const AudioTimeStamp& inTime, AudioTimeStamp& outTime);
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void GetNearestStartTime(AudioTimeStamp& ioTime, bool inIsInput, bool inIgnoreHardware);
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// Controls
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public:
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bool HasVolumeControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool VolumeControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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Float32 GetVolumeControlScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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Float32 GetVolumeControlDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void SetVolumeControlScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue);
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void SetVolumeControlDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue);
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Float32 GetVolumeControlScalarForDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) const;
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Float32 GetVolumeControlDecibelForScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) const;
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bool HasSubVolumeControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool SubVolumeControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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Float32 GetSubVolumeControlScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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Float32 GetSubVolumeControlDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void SetSubVolumeControlScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue);
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void SetSubVolumeControlDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue);
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Float32 GetSubVolumeControlScalarForDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) const;
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Float32 GetSubVolumeControlDecibelForScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) const;
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bool HasMuteControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool MuteControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool GetMuteControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void SetMuteControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel, bool inValue);
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bool HasSoloControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool SoloControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool GetSoloControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void SetSoloControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel, bool inValue);
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bool HasStereoPanControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool StereoPanControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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Float32 GetStereoPanControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void SetStereoPanControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue);
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void GetStereoPanControlChannels(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32& outLeftChannel, UInt32& outRightChannel) const;
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bool HasJackControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool GetJackControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool HasSubMuteControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool SubMuteControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool GetSubMuteControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void SetSubMuteControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel, bool inValue);
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bool HasiSubOwnerControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool iSubOwnerControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool GetiSubOwnerControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void SetiSubOwnerControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel, bool inValue);
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bool HasDataSourceControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool DataSourceControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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UInt32 GetCurrentDataSourceID(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void SetCurrentDataSourceByID(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inID);
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UInt32 GetNumberAvailableDataSources(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void GetAvailableDataSources(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32& ioNumberSources, UInt32* outSources) const;
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UInt32 GetAvailableDataSourceByIndex(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inIndex) const;
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CFStringRef CopyDataSourceNameForID(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inID) const;
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bool HasDataDestinationControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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bool DataDestinationControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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UInt32 GetCurrentDataDestinationID(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void SetCurrentDataDestinationByID(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inID);
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UInt32 GetNumberAvailableDataDestinations(AudioObjectPropertyScope inScope, UInt32 inChannel) const;
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void GetAvailableDataDestinations(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32& ioNumberDestinations, UInt32* outDestinations) const;
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UInt32 GetAvailableDataDestinationByIndex(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inIndex) const;
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CFStringRef CopyDataDestinationNameForID(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inID) const;
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bool HasClockSourceControl() const;
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bool ClockSourceControlIsSettable() const;
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UInt32 GetCurrentClockSourceID() const;
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void SetCurrentClockSourceByID(UInt32 inID);
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UInt32 GetNumberAvailableClockSources() const;
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void GetAvailableClockSources(UInt32& ioNumberSources, UInt32* outSources) const;
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UInt32 GetAvailableClockSourceByIndex(UInt32 inIndex) const;
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CFStringRef CopyClockSourceNameForID(UInt32 inID) const;
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UInt32 GetClockSourceKindForID(UInt32 inID) const;
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};
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inline AudioDeviceIOProcID CAHALAudioDevice::CreateIOProcIDWithBlock(dispatch_queue_t inDispatchQueue, AudioDeviceIOBlock inIOBlock)
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{
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AudioDeviceIOProcID theAnswer = NULL;
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OSStatus theError = AudioDeviceCreateIOProcIDWithBlock(&theAnswer, mObjectID, inDispatchQueue, inIOBlock);
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ThrowIfError(theError, CAException(theError), "CAHALAudioDevice::CreateIOProcIDWithBlock: got an error creating the IOProc ID");
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return theAnswer;
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}
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#endif
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