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Diffstat (limited to 'libs/appleutility/CoreAudio/PublicUtility/CAHALAudioDevice.cpp')
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diff --git a/libs/appleutility/CoreAudio/PublicUtility/CAHALAudioDevice.cpp b/libs/appleutility/CoreAudio/PublicUtility/CAHALAudioDevice.cpp new file mode 100644 index 0000000000..9bce34626a --- /dev/null +++ b/libs/appleutility/CoreAudio/PublicUtility/CAHALAudioDevice.cpp @@ -0,0 +1,1156 @@ +/* + File: CAHALAudioDevice.cpp + Abstract: CAHALAudioDevice.h + Version: 1.1 + + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple + Inc. ("Apple") in consideration of your agreement to the following + terms, and your use, installation, modification or redistribution of + this Apple software constitutes acceptance of these terms. If you do + not agree with these terms, please do not use, install, modify or + redistribute this Apple software. + + In consideration of your agreement to abide by the following terms, and + subject to these terms, Apple grants you a personal, non-exclusive + license, under Apple's copyrights in this original Apple software (the + "Apple Software"), to use, reproduce, modify and redistribute the Apple + Software, with or without modifications, in source and/or binary forms; + provided that if you redistribute the Apple Software in its entirety and + without modifications, you must retain this notice and the following + text and disclaimers in all such redistributions of the Apple Software. + Neither the name, trademarks, service marks or logos of Apple Inc. may + be used to endorse or promote products derived from the Apple Software + without specific prior written permission from Apple. Except as + expressly stated in this notice, no other rights or licenses, express or + implied, are granted by Apple herein, including but not limited to any + patent rights that may be infringed by your derivative works or by other + works in which the Apple Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. APPLE + MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION + THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND + OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, + MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED + AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), + STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + Copyright (C) 2014 Apple Inc. All Rights Reserved. + +*/ +//================================================================================================== +// Includes +//================================================================================================== + +// Self Include +#include "CAHALAudioDevice.h" + +// PublicUtility Includes +#include "CAAutoDisposer.h" +#include "CAHALAudioStream.h" +#include "CAHALAudioSystemObject.h" +#include "CAPropertyAddress.h" + +//================================================================================================== +// CAHALAudioDevice +//================================================================================================== + +CAHALAudioDevice::CAHALAudioDevice(AudioObjectID inAudioDevice) +: + CAHALAudioObject(inAudioDevice) +{ +} + +CAHALAudioDevice::CAHALAudioDevice(CFStringRef inUID) +: + CAHALAudioObject(CAHALAudioSystemObject().GetAudioDeviceForUID(inUID)) +{ +} + +CAHALAudioDevice::~CAHALAudioDevice() +{ +} + +CFStringRef CAHALAudioDevice::CopyDeviceUID() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDeviceUID); + return GetPropertyData_CFString(theAddress, 0, NULL); +} + +bool CAHALAudioDevice::HasModelUID() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyModelUID); + return HasProperty(theAddress); +} + +CFStringRef CAHALAudioDevice::CopyModelUID() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyModelUID); + return GetPropertyData_CFString(theAddress, 0, NULL); +} + +CFStringRef CAHALAudioDevice::CopyConfigurationApplicationBundleID() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyConfigurationApplication); + return GetPropertyData_CFString(theAddress, 0, NULL); +} + +CFURLRef CAHALAudioDevice::CopyIconLocation() const +{ + CFURLRef theAnswer = NULL; + CAPropertyAddress theAddress(kAudioDevicePropertyIcon); + UInt32 theSize = sizeof(CFURLRef); + GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer); + return theAnswer; +} + +UInt32 CAHALAudioDevice::GetTransportType() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyTransportType); + return GetPropertyData_UInt32(theAddress, 0, NULL); +} + +bool CAHALAudioDevice::CanBeDefaultDevice(bool inIsInput, bool inIsSystem) const +{ + CAPropertyAddress theAddress(inIsSystem ? kAudioDevicePropertyDeviceCanBeDefaultSystemDevice : kAudioDevicePropertyDeviceCanBeDefaultDevice, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + return GetPropertyData_UInt32(theAddress, 0, NULL) != 0; +} + +bool CAHALAudioDevice::HasDevicePlugInStatus() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPlugIn); + return HasProperty(theAddress); +} + +OSStatus CAHALAudioDevice::GetDevicePlugInStatus() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPlugIn); + return GetPropertyData_UInt32(theAddress, 0, NULL); +} + +bool CAHALAudioDevice::IsAlive() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDeviceIsAlive); + return GetPropertyData_UInt32(theAddress, 0, NULL) != 0; +} + +bool CAHALAudioDevice::IsHidden() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyIsHidden); + return GetPropertyData_UInt32(theAddress, 0, NULL) != 0; +} + +pid_t CAHALAudioDevice::GetHogModeOwner() const +{ + pid_t theAnswer = -1; + CAPropertyAddress theAddress(kAudioDevicePropertyHogMode); + if(HasProperty(theAddress)) + { + UInt32 theSize = sizeof(pid_t); + GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer); + } + return theAnswer; +} + +bool CAHALAudioDevice::IsHogModeSettable() const +{ + bool theAnswer = false; + CAPropertyAddress theAddress(kAudioDevicePropertyHogMode); + if(HasProperty(theAddress)) + { + theAnswer = IsPropertySettable(theAddress); + } + return theAnswer; +} + +bool CAHALAudioDevice::TakeHogMode() +{ + CAPropertyAddress theAddress(kAudioDevicePropertyHogMode); + pid_t thePID = getpid(); + if(HasProperty(theAddress)) + { + SetPropertyData(theAddress, 0, NULL, sizeof(pid_t), &thePID); + } + return thePID == getpid(); +} + +void CAHALAudioDevice::ReleaseHogMode() +{ + CAPropertyAddress theAddress(kAudioDevicePropertyHogMode); + if(HasProperty(theAddress)) + { + pid_t thePID = -1; + SetPropertyData(theAddress, 0, NULL, sizeof(pid_t), &thePID); + } +} + +bool CAHALAudioDevice::HasPreferredStereoChannels(bool inIsInput) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelsForStereo, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + return HasProperty(theAddress); +} + +void CAHALAudioDevice::GetPreferredStereoChannels(bool inIsInput, UInt32& outLeft, UInt32& outRight) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelsForStereo, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + UInt32 theStereoPair[2] = { 0, 0 }; + UInt32 theSize = 2 * sizeof(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, theStereoPair); + outLeft = theStereoPair[0]; + outRight = theStereoPair[1]; +} + +void CAHALAudioDevice::SetPreferredStereoChannels(bool inIsInput, UInt32 inLeft, UInt32 inRight) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelsForStereo, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + UInt32 theStereoPair[2] = { inLeft, inRight }; + SetPropertyData(theAddress, 0, NULL, 2 * sizeof(UInt32), theStereoPair); +} + +bool CAHALAudioDevice::HasPreferredChannelLayout(bool inIsInput) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelLayout, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + return HasProperty(theAddress); +} + +void CAHALAudioDevice::GetPreferredChannelLayout(bool inIsInput, AudioChannelLayout& outChannelLayout) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelLayout, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + UInt32 theSize = (SizeOf32(AudioChannelLayout) - SizeOf32(AudioChannelDescription)) + GetTotalNumberChannels(inIsInput) * SizeOf32(AudioChannelDescription); + GetPropertyData(theAddress, 0, NULL, theSize, &outChannelLayout); +} + +void CAHALAudioDevice::SetPreferredStereoChannels(bool inIsInput, AudioChannelLayout& inChannelLayout) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelLayout, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + UInt32 theSize = (SizeOf32(AudioChannelLayout) - SizeOf32(AudioChannelDescription)) + GetTotalNumberChannels(inIsInput) * SizeOf32(AudioChannelDescription); + SetPropertyData(theAddress, 0, NULL, theSize, &inChannelLayout); +} + +UInt32 CAHALAudioDevice::GetNumberRelatedAudioDevices() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyRelatedDevices); + UInt32 theAnswer = 0; + if(HasProperty(theAddress)) + { + theAnswer = GetPropertyDataSize(theAddress, 0, NULL); + theAnswer /= SizeOf32(AudioObjectID); + } + return theAnswer; +} + +void CAHALAudioDevice::GetRelatedAudioDevices(UInt32& ioNumberRelatedDevices, AudioObjectID* outRelatedDevices) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyRelatedDevices); + if(HasProperty(theAddress)) + { + UInt32 theSize = ioNumberRelatedDevices * SizeOf32(AudioObjectID); + GetPropertyData(theAddress, 0, NULL, theSize, outRelatedDevices); + ioNumberRelatedDevices = theSize / SizeOf32(AudioObjectID); + } + else + { + UInt32 theSize = ioNumberRelatedDevices * SizeOf32(AudioObjectID); + memset(outRelatedDevices, 0, theSize); + ioNumberRelatedDevices = 0; + } +} + +AudioObjectID CAHALAudioDevice::GetRelatedAudioDeviceByIndex(UInt32 inIndex) const +{ + AudioObjectID theAnswer = kAudioObjectUnknown; + UInt32 theNumberRelatedDevices = GetNumberRelatedAudioDevices(); + if((theNumberRelatedDevices > 0) && (inIndex < theNumberRelatedDevices)) + { + CAAutoArrayDelete<AudioObjectID> theRelatedDeviceList(theNumberRelatedDevices); + GetRelatedAudioDevices(theNumberRelatedDevices, theRelatedDeviceList); + if((theNumberRelatedDevices > 0) && (inIndex < theNumberRelatedDevices)) + { + theAnswer = theRelatedDeviceList[inIndex]; + } + } + return theAnswer; +} + +UInt32 CAHALAudioDevice::GetNumberStreams(bool inIsInput) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyStreams, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + UInt32 theAnswer = GetPropertyDataSize(theAddress, 0, NULL); + theAnswer /= SizeOf32(AudioObjectID); + return theAnswer; +} + +void CAHALAudioDevice::GetStreams(bool inIsInput, UInt32& ioNumberStreams, AudioObjectID* outStreamList) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyStreams, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + UInt32 theSize = ioNumberStreams * SizeOf32(AudioObjectID); + GetPropertyData(theAddress, 0, NULL, theSize, outStreamList); + ioNumberStreams = theSize / SizeOf32(AudioObjectID); +} + +AudioObjectID CAHALAudioDevice::GetStreamByIndex(bool inIsInput, UInt32 inIndex) const +{ + AudioObjectID theAnswer = kAudioObjectUnknown; + UInt32 theNumberStreams = GetNumberStreams(inIsInput); + if((theNumberStreams > 0) && (inIndex < theNumberStreams)) + { + CAAutoArrayDelete<AudioObjectID> theStreamList(theNumberStreams); + GetStreams(inIsInput, theNumberStreams, theStreamList); + if((theNumberStreams > 0) && (inIndex < theNumberStreams)) + { + theAnswer = theStreamList[inIndex]; + } + } + return theAnswer; +} + +UInt32 CAHALAudioDevice::GetTotalNumberChannels(bool inIsInput) const +{ + UInt32 theAnswer = 0; + CAPropertyAddress theAddress(kAudioDevicePropertyStreamConfiguration, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + UInt32 theSize = GetPropertyDataSize(theAddress, 0, NULL); + CAAutoFree<AudioBufferList> theBufferList(theSize); + GetPropertyData(theAddress, 0, NULL, theSize, theBufferList); + for(UInt32 theIndex = 0; theIndex < theBufferList->mNumberBuffers; ++theIndex) + { + theAnswer += theBufferList->mBuffers[theIndex].mNumberChannels; + } + return theAnswer; +} + +void CAHALAudioDevice::GetCurrentVirtualFormats(bool inIsInput, UInt32& ioNumberStreams, AudioStreamBasicDescription* outFormats) const +{ + ioNumberStreams = std::min(ioNumberStreams, GetNumberStreams(inIsInput)); + for(UInt32 theIndex = 0; theIndex < ioNumberStreams; ++theIndex) + { + CAHALAudioStream theStream(GetStreamByIndex(inIsInput, theIndex)); + theStream.GetCurrentVirtualFormat(outFormats[theIndex]); + } +} + +void CAHALAudioDevice::GetCurrentPhysicalFormats(bool inIsInput, UInt32& ioNumberStreams, AudioStreamBasicDescription* outFormats) const +{ + ioNumberStreams = std::min(ioNumberStreams, GetNumberStreams(inIsInput)); + for(UInt32 theIndex = 0; theIndex < ioNumberStreams; ++theIndex) + { + CAHALAudioStream theStream(GetStreamByIndex(inIsInput, theIndex)); + theStream.GetCurrentPhysicalFormat(outFormats[theIndex]); + } +} + +bool CAHALAudioDevice::IsRunning() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDeviceIsRunning); + UInt32 theAnswer = GetPropertyData_UInt32(theAddress, 0, NULL); + return theAnswer != 0; +} + +bool CAHALAudioDevice::IsRunningSomewhere() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDeviceIsRunningSomewhere); + UInt32 theAnswer = 0; + if(HasProperty(theAddress)) + { + theAnswer = GetPropertyData_UInt32(theAddress, 0, NULL); + } + return theAnswer != 0; +} + +UInt32 CAHALAudioDevice::GetLatency(bool inIsInput) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyLatency, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + return GetPropertyData_UInt32(theAddress, 0, NULL); +} + +UInt32 CAHALAudioDevice::GetSafetyOffset(bool inIsInput) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySafetyOffset, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + return GetPropertyData_UInt32(theAddress, 0, NULL); +} + +bool CAHALAudioDevice::HasClockDomain() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyClockDomain); + return HasProperty(theAddress); +} + +UInt32 CAHALAudioDevice::GetClockDomain() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyClockDomain); + return GetPropertyData_UInt32(theAddress, 0, NULL); +} + +Float64 CAHALAudioDevice::GetActualSampleRate() const +{ + Float64 theAnswer = 0; + CAPropertyAddress theAddress(kAudioDevicePropertyActualSampleRate); + if(HasProperty(theAddress)) + { + UInt32 theSize = sizeof(Float64); + GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer); + } + else + { + theAnswer = GetNominalSampleRate(); + } + return theAnswer; +} + +Float64 CAHALAudioDevice::GetNominalSampleRate() const +{ + Float64 theAnswer = 0; + CAPropertyAddress theAddress(kAudioDevicePropertyNominalSampleRate); + UInt32 theSize = sizeof(Float64); + GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer); + return theAnswer; +} + +void CAHALAudioDevice::SetNominalSampleRate(Float64 inSampleRate) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyNominalSampleRate); + SetPropertyData(theAddress, 0, NULL, sizeof(Float64), &inSampleRate); +} + +UInt32 CAHALAudioDevice::GetNumberAvailableNominalSampleRateRanges() const +{ + UInt32 theAnswer = 0; + CAPropertyAddress theAddress(kAudioDevicePropertyAvailableNominalSampleRates); + if(HasProperty(theAddress)) + { + UInt32 theSize = GetPropertyDataSize(theAddress, 0, NULL); + theAnswer = theSize / SizeOf32(AudioValueRange); + } + return theAnswer; +} + +void CAHALAudioDevice::GetAvailableNominalSampleRateRanges(UInt32& ioNumberRanges, AudioValueRange* outRanges) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyAvailableNominalSampleRates); + if(HasProperty(theAddress)) + { + UInt32 theSize = ioNumberRanges * SizeOf32(AudioValueRange); + GetPropertyData(theAddress, 0, NULL, theSize, outRanges); + ioNumberRanges = theSize / SizeOf32(AudioValueRange); + } + else + { + ioNumberRanges = 0; + } +} + +void CAHALAudioDevice::GetAvailableNominalSampleRateRangeByIndex(UInt32 inIndex, Float64& outMinimum, Float64& outMaximum) const +{ + UInt32 theNumberRanges = GetNumberAvailableNominalSampleRateRanges(); + ThrowIf(inIndex >= theNumberRanges, CAException(kAudioHardwareIllegalOperationError), "CAHALAudioDevice::GetAvailableNominalSampleRateRangeByIndex: index out of range"); + CAAutoArrayDelete<AudioValueRange> theRanges(theNumberRanges); + GetAvailableNominalSampleRateRanges(theNumberRanges, theRanges); + outMinimum = theRanges[inIndex].mMinimum; + outMaximum = theRanges[inIndex].mMaximum; +} + +bool CAHALAudioDevice::IsValidNominalSampleRate(Float64 inSampleRate) const +{ + bool theAnswer = false; + UInt32 theNumberRanges = GetNumberAvailableNominalSampleRateRanges(); + CAAutoArrayDelete<AudioValueRange> theRanges(theNumberRanges); + GetAvailableNominalSampleRateRanges(theNumberRanges, theRanges); + for(UInt32 theIndex = 0; !theAnswer && (theIndex < theNumberRanges); ++theIndex) + { + theAnswer = (inSampleRate >= theRanges[theIndex].mMinimum) && (inSampleRate <= theRanges[theIndex].mMinimum); + } + return theAnswer; +} + +bool CAHALAudioDevice::IsIOBufferSizeSettable() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyBufferFrameSize); + return IsPropertySettable(theAddress); +} + +UInt32 CAHALAudioDevice::GetIOBufferSize() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyBufferFrameSize); + return GetPropertyData_UInt32(theAddress, 0, NULL); +} + +void CAHALAudioDevice::SetIOBufferSize(UInt32 inBufferSize) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyBufferFrameSize); + SetPropertyData(theAddress, 0, NULL, sizeof(UInt32), &inBufferSize); +} + +bool CAHALAudioDevice::UsesVariableIOBufferSizes() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyUsesVariableBufferFrameSizes); + return HasProperty(theAddress); +} + +UInt32 CAHALAudioDevice::GetMaximumVariableIOBufferSize() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyUsesVariableBufferFrameSizes); + return GetPropertyData_UInt32(theAddress, 0, NULL); +} + +bool CAHALAudioDevice::HasIOBufferSizeRange() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyBufferFrameSizeRange); + return HasProperty(theAddress); +} + +void CAHALAudioDevice::GetIOBufferSizeRange(UInt32& outMinimum, UInt32& outMaximum) const +{ + AudioValueRange theAnswer = { 0, 0 }; + CAPropertyAddress theAddress(kAudioDevicePropertyBufferFrameSizeRange); + UInt32 theSize = sizeof(AudioValueRange); + GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer); + outMinimum = static_cast<UInt32>(theAnswer.mMinimum); + outMaximum = static_cast<UInt32>(theAnswer.mMaximum); +} + +AudioDeviceIOProcID CAHALAudioDevice::CreateIOProcID(AudioDeviceIOProc inIOProc, void* inClientData) +{ + AudioDeviceIOProcID theAnswer = NULL; + OSStatus theError = AudioDeviceCreateIOProcID(mObjectID, inIOProc, inClientData, &theAnswer); + ThrowIfError(theError, CAException(theError), "CAHALAudioDevice::CreateIOProcID: got an error creating the IOProc ID"); + return theAnswer; +} + +void CAHALAudioDevice::DestroyIOProcID(AudioDeviceIOProcID inIOProcID) +{ + OSStatus theError = AudioDeviceDestroyIOProcID(mObjectID, inIOProcID); + ThrowIfError(theError, CAException(theError), "CAHALAudioDevice::DestroyIOProcID: got an error destroying the IOProc ID"); +} + +void CAHALAudioDevice::StartIOProc(AudioDeviceIOProcID inIOProcID) +{ + OSStatus theError = AudioDeviceStart(mObjectID, inIOProcID); + ThrowIfError(theError, CAException(theError), "CAHALAudioDevice::StartIOProc: got an error starting an IOProc"); +} + +void CAHALAudioDevice::StartIOProcAtTime(AudioDeviceIOProcID inIOProcID, AudioTimeStamp& ioStartTime, bool inIsInput, bool inIgnoreHardware) +{ + UInt32 theFlags = 0; + if(inIsInput) + { + theFlags |= kAudioDeviceStartTimeIsInputFlag; + } + if(inIgnoreHardware) + { + theFlags |= kAudioDeviceStartTimeDontConsultDeviceFlag; + } + + OSStatus theError = AudioDeviceStartAtTime(mObjectID, inIOProcID, &ioStartTime, theFlags); + ThrowIfError(theError, CAException(theError), "CAHALAudioDevice::StartIOProcAtTime: got an error starting an IOProc"); +} + +void CAHALAudioDevice::StopIOProc(AudioDeviceIOProcID inIOProcID) +{ + OSStatus theError = AudioDeviceStop(mObjectID, inIOProcID); + ThrowIfError(theError, CAException(theError), "CAHALAudioDevice::StopIOProc: got an error stopping an IOProc"); +} + +void CAHALAudioDevice::GetIOProcStreamUsage(AudioDeviceIOProcID inIOProcID, bool inIsInput, bool* outStreamUsage) const +{ + // make an AudioHardwareIOProcStreamUsage the right size + UInt32 theNumberStreams = GetNumberStreams(inIsInput); + UInt32 theSize = SizeOf32(void*) + SizeOf32(UInt32) + (theNumberStreams * SizeOf32(UInt32)); + CAAutoFree<AudioHardwareIOProcStreamUsage> theStreamUsage(theSize); + + // set it up + theStreamUsage->mIOProc = reinterpret_cast<void*>(inIOProcID); + theStreamUsage->mNumberStreams = theNumberStreams; + + // get the property + CAPropertyAddress theAddress(kAudioDevicePropertyIOProcStreamUsage, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + GetPropertyData(theAddress, 0, NULL, theSize, theStreamUsage); + + // fill out the return value + for(UInt32 theIndex = 0; theIndex < theNumberStreams; ++theIndex) + { + outStreamUsage[theIndex] = (theStreamUsage->mStreamIsOn[theIndex] != 0); + } +} + +void CAHALAudioDevice::SetIOProcStreamUsage(AudioDeviceIOProcID inIOProcID, bool inIsInput, const bool* inStreamUsage) +{ + // make an AudioHardwareIOProcStreamUsage the right size + UInt32 theNumberStreams = GetNumberStreams(inIsInput); + UInt32 theSize = SizeOf32(void*) + SizeOf32(UInt32) + (theNumberStreams * SizeOf32(UInt32)); + CAAutoFree<AudioHardwareIOProcStreamUsage> theStreamUsage(theSize); + + // set it up + theStreamUsage->mIOProc = reinterpret_cast<void*>(inIOProcID); + theStreamUsage->mNumberStreams = theNumberStreams; + for(UInt32 theIndex = 0; theIndex < theNumberStreams; ++theIndex) + { + theStreamUsage->mStreamIsOn[theIndex] = (inStreamUsage[theIndex] ? 1 : 0); + } + + // set the property + CAPropertyAddress theAddress(kAudioDevicePropertyIOProcStreamUsage, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput); + SetPropertyData(theAddress, 0, NULL, theSize, theStreamUsage); +} + +Float32 CAHALAudioDevice::GetIOCycleUsage() const +{ + Float32 theAnswer = 0; + CAPropertyAddress theAddress(kAudioDevicePropertyIOCycleUsage); + UInt32 theSize = sizeof(Float32); + GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer); + return theAnswer; +} + +void CAHALAudioDevice::SetIOCycleUsage(Float32 inValue) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyIOCycleUsage); + SetPropertyData(theAddress, 0, NULL, sizeof(Float32), &inValue); +} + +void CAHALAudioDevice::GetCurrentTime(AudioTimeStamp& outTime) +{ + OSStatus theError = AudioDeviceGetCurrentTime(mObjectID, &outTime); + ThrowIfError(theError, CAException(theError), "CAHALAudioDevice::GetCurrentTime: got an error getting the current time"); +} + +void CAHALAudioDevice::TranslateTime(const AudioTimeStamp& inTime, AudioTimeStamp& outTime) +{ + OSStatus theError = AudioDeviceTranslateTime(mObjectID, &inTime, &outTime); + ThrowIfError(theError, CAException(theError), "CAHALAudioDevice::TranslateTime: got an error translating time"); +} + +void CAHALAudioDevice::GetNearestStartTime(AudioTimeStamp& ioTime, bool inIsInput, bool inIgnoreHardware) +{ + UInt32 theFlags = 0; + if(inIsInput) + { + theFlags |= kAudioDeviceStartTimeIsInputFlag; + } + if(inIgnoreHardware) + { + theFlags |= kAudioDeviceStartTimeDontConsultDeviceFlag; + } + + OSStatus theError = AudioDeviceGetNearestStartTime(mObjectID, &ioTime, theFlags); + ThrowIfError(theError, CAException(theError), "CAHALAudioDevice::GetNearestStartTime: got an error getting the start time"); +} + +bool CAHALAudioDevice::HasVolumeControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyVolumeScalar, inScope, inChannel); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::VolumeControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyVolumeScalar, inScope, inChannel); + return IsPropertySettable(theAddress); +} + +Float32 CAHALAudioDevice::GetVolumeControlScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyVolumeScalar, inScope, inChannel); + Float32 theValue = 0.0f; + UInt32 theSize = sizeof(Float32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue; +} + +Float32 CAHALAudioDevice::GetVolumeControlDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyVolumeDecibels, inScope, inChannel); + Float32 theValue = 0.0f; + UInt32 theSize = sizeof(Float32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue; +} + +void CAHALAudioDevice::SetVolumeControlScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyVolumeScalar, inScope, inChannel); + SetPropertyData(theAddress, 0, NULL, sizeof(Float32), &inValue); +} + +void CAHALAudioDevice::SetVolumeControlDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyVolumeDecibels, inScope, inChannel); + SetPropertyData(theAddress, 0, NULL, sizeof(Float32), &inValue); +} + +Float32 CAHALAudioDevice::GetVolumeControlScalarForDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyVolumeDecibelsToScalar, inScope, inChannel); + Float32 theValue = inValue; + UInt32 theSize = sizeof(Float32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue; +} + +Float32 CAHALAudioDevice::GetVolumeControlDecibelForScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyVolumeScalarToDecibels, inScope, inChannel); + Float32 theValue = inValue; + UInt32 theSize = sizeof(Float32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue; +} + +bool CAHALAudioDevice::HasSubVolumeControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubVolumeScalar, inScope, inChannel); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::SubVolumeControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubVolumeScalar, inScope, inChannel); + return IsPropertySettable(theAddress); +} + +Float32 CAHALAudioDevice::GetSubVolumeControlScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubVolumeScalar, inScope, inChannel); + Float32 theValue = 0.0f; + UInt32 theSize = sizeof(Float32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue; +} + +Float32 CAHALAudioDevice::GetSubVolumeControlDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubVolumeDecibels, inScope, inChannel); + Float32 theValue = 0.0f; + UInt32 theSize = sizeof(Float32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue; +} + +void CAHALAudioDevice::SetSubVolumeControlScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubVolumeScalar, inScope, inChannel); + SetPropertyData(theAddress, 0, NULL, sizeof(Float32), &inValue); +} + +void CAHALAudioDevice::SetSubVolumeControlDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubVolumeDecibels, inScope, inChannel); + SetPropertyData(theAddress, 0, NULL, sizeof(Float32), &inValue); +} + +Float32 CAHALAudioDevice::GetSubVolumeControlScalarForDecibelValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubVolumeDecibelsToScalar, inScope, inChannel); + Float32 theValue = inValue; + UInt32 theSize = sizeof(Float32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue; +} + +Float32 CAHALAudioDevice::GetSubVolumeControlDecibelForScalarValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubVolumeScalarToDecibels, inScope, inChannel); + Float32 theValue = inValue; + UInt32 theSize = sizeof(Float32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue; +} + +bool CAHALAudioDevice::HasMuteControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyMute, inScope, inChannel); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::MuteControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyMute, inScope, inChannel); + return IsPropertySettable(theAddress); +} + +bool CAHALAudioDevice::GetMuteControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyMute, inScope, inChannel); + UInt32 theValue = 0; + UInt32 theSize = sizeof(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue != 0; +} + +void CAHALAudioDevice::SetMuteControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel, bool inValue) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyMute, inScope, inChannel); + UInt32 theValue = (inValue ? 1 : 0); + UInt32 theSize = sizeof(UInt32); + SetPropertyData(theAddress, 0, NULL, theSize, &theValue); +} + +bool CAHALAudioDevice::HasSoloControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySolo, inScope, inChannel); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::SoloControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySolo, inScope, inChannel); + return IsPropertySettable(theAddress); +} + +bool CAHALAudioDevice::GetSoloControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySolo, inScope, inChannel); + UInt32 theValue = 0; + UInt32 theSize = sizeof(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue != 0; +} + +void CAHALAudioDevice::SetSoloControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel, bool inValue) +{ + CAPropertyAddress theAddress(kAudioDevicePropertySolo, inScope, inChannel); + UInt32 theValue = (inValue ? 1 : 0); + UInt32 theSize = sizeof(UInt32); + SetPropertyData(theAddress, 0, NULL, theSize, &theValue); +} + +bool CAHALAudioDevice::HasStereoPanControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyStereoPan, inScope, inChannel); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::StereoPanControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyStereoPan, inScope, inChannel); + return IsPropertySettable(theAddress); +} + +Float32 CAHALAudioDevice::GetStereoPanControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyStereoPan, inScope, inChannel); + Float32 theValue = 0.0f; + UInt32 theSize = sizeof(Float32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue; +} + +void CAHALAudioDevice::SetStereoPanControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel, Float32 inValue) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyStereoPan, inScope, inChannel); + UInt32 theSize = sizeof(Float32); + SetPropertyData(theAddress, 0, NULL, theSize, &inValue); +} + +void CAHALAudioDevice::GetStereoPanControlChannels(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32& outLeftChannel, UInt32& outRightChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyStereoPanChannels, inScope, inChannel); + UInt32 theValue[2] = { 0, 0 }; + UInt32 theSize = 2 * sizeof(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, theValue); + outLeftChannel = theValue[0]; + outRightChannel = theValue[1]; +} + +bool CAHALAudioDevice::HasJackControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyJackIsConnected, inScope, inChannel); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::GetJackControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyJackIsConnected, inScope, inChannel); + UInt32 theValue = 0; + UInt32 theSize = sizeof(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue != 0; +} + +bool CAHALAudioDevice::HasSubMuteControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubMute, inScope, inChannel); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::SubMuteControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubMute, inScope, inChannel); + return IsPropertySettable(theAddress); +} + +bool CAHALAudioDevice::GetSubMuteControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubMute, inScope, inChannel); + UInt32 theValue = 0; + UInt32 theSize = sizeof(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue != 0; +} + +void CAHALAudioDevice::SetSubMuteControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel, bool inValue) +{ + CAPropertyAddress theAddress(kAudioDevicePropertySubMute, inScope, inChannel); + UInt32 theValue = (inValue ? 1 : 0); + UInt32 theSize = sizeof(UInt32); + SetPropertyData(theAddress, 0, NULL, theSize, &theValue); +} + +bool CAHALAudioDevice::HasiSubOwnerControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDriverShouldOwniSub, inScope, inChannel); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::iSubOwnerControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDriverShouldOwniSub, inScope, inChannel); + return IsPropertySettable(theAddress); +} + +bool CAHALAudioDevice::GetiSubOwnerControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDriverShouldOwniSub, inScope, inChannel); + UInt32 theValue = 0; + UInt32 theSize = sizeof(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, &theValue); + return theValue != 0; +} + +void CAHALAudioDevice::SetiSubOwnerControlValue(AudioObjectPropertyScope inScope, UInt32 inChannel, bool inValue) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDriverShouldOwniSub, inScope, inChannel); + UInt32 theValue = (inValue ? 1 : 0); + UInt32 theSize = sizeof(UInt32); + SetPropertyData(theAddress, 0, NULL, theSize, &theValue); +} + +bool CAHALAudioDevice::HasDataSourceControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDataSource, inScope, inChannel); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::DataSourceControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDataSource, inScope, inChannel); + return IsPropertySettable(theAddress); +} + +UInt32 CAHALAudioDevice::GetCurrentDataSourceID(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDataSource, inScope, inChannel); + UInt32 theAnswer = 0; + UInt32 theSize = sizeof(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer); + return theAnswer; +} + +void CAHALAudioDevice::SetCurrentDataSourceByID(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inID) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDataSource, inScope, inChannel); + UInt32 theSize = sizeof(UInt32); + SetPropertyData(theAddress, 0, NULL, theSize, &inID); +} + +UInt32 CAHALAudioDevice::GetNumberAvailableDataSources(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDataSources, inScope, inChannel); + UInt32 theAnswer = 0; + if(HasProperty(theAddress)) + { + UInt32 theSize = GetPropertyDataSize(theAddress, 0, NULL); + theAnswer = theSize / SizeOf32(UInt32); + } + return theAnswer; +} + +void CAHALAudioDevice::GetAvailableDataSources(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32& ioNumberSources, UInt32* outSources) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDataSources, inScope, inChannel); + UInt32 theNumberSources = std::min(GetNumberAvailableDataSources(inScope, inChannel), ioNumberSources); + UInt32 theSize = theNumberSources * SizeOf32(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, outSources); + ioNumberSources = theSize / SizeOf32(UInt32); +} + +UInt32 CAHALAudioDevice::GetAvailableDataSourceByIndex(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inIndex) const +{ + AudioStreamID theAnswer = 0; + UInt32 theNumberSources = GetNumberAvailableDataSources(inScope, inChannel); + if((theNumberSources > 0) && (inIndex < theNumberSources)) + { + CAAutoArrayDelete<UInt32> theSourceList(theNumberSources); + GetAvailableDataSources(inScope, inChannel, theNumberSources, theSourceList); + theAnswer = theSourceList[inIndex]; + } + return theAnswer; +} + +CFStringRef CAHALAudioDevice::CopyDataSourceNameForID(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inID) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyDataSourceNameForIDCFString, inScope, inChannel); + CFStringRef theAnswer = NULL; + AudioValueTranslation theTranslation = { &inID, sizeof(UInt32), &theAnswer, sizeof(CFStringRef) }; + UInt32 theSize = sizeof(AudioValueTranslation); + GetPropertyData(theAddress, 0, NULL, theSize, &theTranslation); + return theAnswer; +} + +bool CAHALAudioDevice::HasDataDestinationControl(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPlayThruDestination, inScope, inChannel); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::DataDestinationControlIsSettable(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPlayThruDestination, inScope, inChannel); + return IsPropertySettable(theAddress); +} + +UInt32 CAHALAudioDevice::GetCurrentDataDestinationID(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPlayThruDestination, inScope, inChannel); + UInt32 theAnswer = 0; + UInt32 theSize = sizeof(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer); + return theAnswer; +} + +void CAHALAudioDevice::SetCurrentDataDestinationByID(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inID) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPlayThruDestination, inScope, inChannel); + UInt32 theSize = sizeof(UInt32); + SetPropertyData(theAddress, 0, NULL, theSize, &inID); +} + +UInt32 CAHALAudioDevice::GetNumberAvailableDataDestinations(AudioObjectPropertyScope inScope, UInt32 inChannel) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPlayThruDestinations, inScope, inChannel); + UInt32 theAnswer = 0; + if(HasProperty(theAddress)) + { + UInt32 theSize = GetPropertyDataSize(theAddress, 0, NULL); + theAnswer = theSize / SizeOf32(UInt32); + } + return theAnswer; +} + +void CAHALAudioDevice::GetAvailableDataDestinations(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32& ioNumberDestinations, UInt32* outDestinations) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPlayThruDestinations, inScope, inChannel); + UInt32 theNumberDestinations = std::min(GetNumberAvailableDataDestinations(inScope, inChannel), ioNumberDestinations); + UInt32 theSize = theNumberDestinations * SizeOf32(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, outDestinations); + ioNumberDestinations = theSize / SizeOf32(UInt32); +} + +UInt32 CAHALAudioDevice::GetAvailableDataDestinationByIndex(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inIndex) const +{ + AudioStreamID theAnswer = 0; + UInt32 theNumberDestinations = GetNumberAvailableDataDestinations(inScope, inChannel); + if((theNumberDestinations > 0) && (inIndex < theNumberDestinations)) + { + CAAutoArrayDelete<UInt32> theDestinationList(theNumberDestinations); + GetAvailableDataDestinations(inScope, inChannel, theNumberDestinations, theDestinationList); + theAnswer = theDestinationList[inIndex]; + } + return theAnswer; +} + +CFStringRef CAHALAudioDevice::CopyDataDestinationNameForID(AudioObjectPropertyScope inScope, UInt32 inChannel, UInt32 inID) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyPlayThruDestinationNameForIDCFString, inScope, inChannel); + CFStringRef theAnswer = NULL; + AudioValueTranslation theTranslation = { &inID, sizeof(UInt32), &theAnswer, sizeof(CFStringRef) }; + UInt32 theSize = sizeof(AudioValueTranslation); + GetPropertyData(theAddress, 0, NULL, theSize, &theTranslation); + return theAnswer; +} + +bool CAHALAudioDevice::HasClockSourceControl() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyClockSource); + return HasProperty(theAddress); +} + +bool CAHALAudioDevice::ClockSourceControlIsSettable() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyClockSource); + return IsPropertySettable(theAddress); +} + +UInt32 CAHALAudioDevice::GetCurrentClockSourceID() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyClockSource); + UInt32 theAnswer = 0; + UInt32 theSize = sizeof(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer); + return theAnswer; +} + +void CAHALAudioDevice::SetCurrentClockSourceByID(UInt32 inID) +{ + CAPropertyAddress theAddress(kAudioDevicePropertyClockSource); + UInt32 theSize = sizeof(UInt32); + SetPropertyData(theAddress, 0, NULL, theSize, &inID); +} + +UInt32 CAHALAudioDevice::GetNumberAvailableClockSources() const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyClockSources); + UInt32 theAnswer = 0; + if(HasProperty(theAddress)) + { + UInt32 theSize = GetPropertyDataSize(theAddress, 0, NULL); + theAnswer = theSize / SizeOf32(UInt32); + } + return theAnswer; +} + +void CAHALAudioDevice::GetAvailableClockSources(UInt32& ioNumberSources, UInt32* outSources) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyClockSources); + UInt32 theNumberSources = std::min(GetNumberAvailableClockSources(), ioNumberSources); + UInt32 theSize = theNumberSources * SizeOf32(UInt32); + GetPropertyData(theAddress, 0, NULL, theSize, outSources); + ioNumberSources = theSize / SizeOf32(UInt32); +} + +UInt32 CAHALAudioDevice::GetAvailableClockSourceByIndex(UInt32 inIndex) const +{ + AudioStreamID theAnswer = 0; + UInt32 theNumberSources = GetNumberAvailableClockSources(); + if((theNumberSources > 0) && (inIndex < theNumberSources)) + { + CAAutoArrayDelete<UInt32> theSourceList(theNumberSources); + GetAvailableClockSources(theNumberSources, theSourceList); + theAnswer = theSourceList[inIndex]; + } + return theAnswer; +} + +CFStringRef CAHALAudioDevice::CopyClockSourceNameForID(UInt32 inID) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyClockSourceNameForIDCFString); + CFStringRef theAnswer = NULL; + AudioValueTranslation theTranslation = { &inID, sizeof(UInt32), &theAnswer, sizeof(CFStringRef) }; + UInt32 theSize = sizeof(AudioValueTranslation); + GetPropertyData(theAddress, 0, NULL, theSize, &theTranslation); + return theAnswer; +} + +UInt32 CAHALAudioDevice::GetClockSourceKindForID(UInt32 inID) const +{ + CAPropertyAddress theAddress(kAudioDevicePropertyClockSourceKindForID); + UInt32 theAnswer = 0; + AudioValueTranslation theTranslation = { &inID, sizeof(UInt32), &theAnswer, sizeof(UInt32) }; + UInt32 theSize = sizeof(AudioValueTranslation); + GetPropertyData(theAddress, 0, NULL, theSize, &theTranslation); + return theAnswer; +} |