mirror of
https://github.com/kyleneideck/BackgroundMusic
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1156 lines
43 KiB
C++
1156 lines
43 KiB
C++
/*
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File: CAHALAudioDevice.cpp
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Abstract: CAHALAudioDevice.h
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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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//==================================================================================================
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// Includes
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//==================================================================================================
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// Self Include
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#include "CAHALAudioDevice.h"
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// PublicUtility Includes
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#include "CAAutoDisposer.h"
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#include "CAHALAudioStream.h"
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#include "CAHALAudioSystemObject.h"
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#include "CAPropertyAddress.h"
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//==================================================================================================
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// CAHALAudioDevice
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//==================================================================================================
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CAHALAudioDevice::CAHALAudioDevice(AudioObjectID inAudioDevice)
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:
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CAHALAudioObject(inAudioDevice)
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{
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}
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CAHALAudioDevice::CAHALAudioDevice(CFStringRef inUID)
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:
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CAHALAudioObject(CAHALAudioSystemObject().GetAudioDeviceForUID(inUID))
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{
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}
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CAHALAudioDevice::~CAHALAudioDevice()
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{
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}
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CFStringRef CAHALAudioDevice::CopyDeviceUID() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyDeviceUID);
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return GetPropertyData_CFString(theAddress, 0, NULL);
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}
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bool CAHALAudioDevice::HasModelUID() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyModelUID);
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return HasProperty(theAddress);
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}
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CFStringRef CAHALAudioDevice::CopyModelUID() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyModelUID);
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return GetPropertyData_CFString(theAddress, 0, NULL);
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}
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CFStringRef CAHALAudioDevice::CopyConfigurationApplicationBundleID() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyConfigurationApplication);
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return GetPropertyData_CFString(theAddress, 0, NULL);
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}
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CFURLRef CAHALAudioDevice::CopyIconLocation() const
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{
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CFURLRef theAnswer = NULL;
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CAPropertyAddress theAddress(kAudioDevicePropertyIcon);
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UInt32 theSize = sizeof(CFURLRef);
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GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer);
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return theAnswer;
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}
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UInt32 CAHALAudioDevice::GetTransportType() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyTransportType);
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return GetPropertyData_UInt32(theAddress, 0, NULL);
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}
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bool CAHALAudioDevice::CanBeDefaultDevice(bool inIsInput, bool inIsSystem) const
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{
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CAPropertyAddress theAddress(inIsSystem ? kAudioDevicePropertyDeviceCanBeDefaultSystemDevice : kAudioDevicePropertyDeviceCanBeDefaultDevice, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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return GetPropertyData_UInt32(theAddress, 0, NULL) != 0;
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}
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bool CAHALAudioDevice::HasDevicePlugInStatus() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyPlugIn);
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return HasProperty(theAddress);
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}
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OSStatus CAHALAudioDevice::GetDevicePlugInStatus() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyPlugIn);
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return GetPropertyData_UInt32(theAddress, 0, NULL);
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}
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bool CAHALAudioDevice::IsAlive() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyDeviceIsAlive);
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return GetPropertyData_UInt32(theAddress, 0, NULL) != 0;
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}
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bool CAHALAudioDevice::IsHidden() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyIsHidden);
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return GetPropertyData_UInt32(theAddress, 0, NULL) != 0;
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}
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pid_t CAHALAudioDevice::GetHogModeOwner() const
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{
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pid_t theAnswer = -1;
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CAPropertyAddress theAddress(kAudioDevicePropertyHogMode);
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if(HasProperty(theAddress))
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{
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UInt32 theSize = sizeof(pid_t);
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GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer);
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}
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return theAnswer;
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}
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bool CAHALAudioDevice::IsHogModeSettable() const
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{
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bool theAnswer = false;
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CAPropertyAddress theAddress(kAudioDevicePropertyHogMode);
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if(HasProperty(theAddress))
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{
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theAnswer = IsPropertySettable(theAddress);
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}
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return theAnswer;
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}
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bool CAHALAudioDevice::TakeHogMode()
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyHogMode);
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pid_t thePID = getpid();
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if(HasProperty(theAddress))
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{
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SetPropertyData(theAddress, 0, NULL, sizeof(pid_t), &thePID);
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}
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return thePID == getpid();
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}
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void CAHALAudioDevice::ReleaseHogMode()
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyHogMode);
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if(HasProperty(theAddress))
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{
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pid_t thePID = -1;
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SetPropertyData(theAddress, 0, NULL, sizeof(pid_t), &thePID);
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}
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}
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bool CAHALAudioDevice::HasPreferredStereoChannels(bool inIsInput) const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelsForStereo, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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return HasProperty(theAddress);
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}
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void CAHALAudioDevice::GetPreferredStereoChannels(bool inIsInput, UInt32& outLeft, UInt32& outRight) const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelsForStereo, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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UInt32 theStereoPair[2] = { 0, 0 };
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UInt32 theSize = 2 * sizeof(UInt32);
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GetPropertyData(theAddress, 0, NULL, theSize, theStereoPair);
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outLeft = theStereoPair[0];
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outRight = theStereoPair[1];
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}
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void CAHALAudioDevice::SetPreferredStereoChannels(bool inIsInput, UInt32 inLeft, UInt32 inRight)
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelsForStereo, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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UInt32 theStereoPair[2] = { inLeft, inRight };
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SetPropertyData(theAddress, 0, NULL, 2 * sizeof(UInt32), theStereoPair);
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}
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bool CAHALAudioDevice::HasPreferredChannelLayout(bool inIsInput) const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelLayout, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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return HasProperty(theAddress);
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}
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void CAHALAudioDevice::GetPreferredChannelLayout(bool inIsInput, AudioChannelLayout& outChannelLayout) const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelLayout, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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UInt32 theSize = (SizeOf32(AudioChannelLayout) - SizeOf32(AudioChannelDescription)) + GetTotalNumberChannels(inIsInput) * SizeOf32(AudioChannelDescription);
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GetPropertyData(theAddress, 0, NULL, theSize, &outChannelLayout);
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}
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void CAHALAudioDevice::SetPreferredStereoChannels(bool inIsInput, AudioChannelLayout& inChannelLayout)
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyPreferredChannelLayout, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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UInt32 theSize = (SizeOf32(AudioChannelLayout) - SizeOf32(AudioChannelDescription)) + GetTotalNumberChannels(inIsInput) * SizeOf32(AudioChannelDescription);
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SetPropertyData(theAddress, 0, NULL, theSize, &inChannelLayout);
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}
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UInt32 CAHALAudioDevice::GetNumberRelatedAudioDevices() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyRelatedDevices);
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UInt32 theAnswer = 0;
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if(HasProperty(theAddress))
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{
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theAnswer = GetPropertyDataSize(theAddress, 0, NULL);
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theAnswer /= SizeOf32(AudioObjectID);
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}
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return theAnswer;
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}
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void CAHALAudioDevice::GetRelatedAudioDevices(UInt32& ioNumberRelatedDevices, AudioObjectID* outRelatedDevices) const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyRelatedDevices);
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if(HasProperty(theAddress))
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{
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UInt32 theSize = ioNumberRelatedDevices * SizeOf32(AudioObjectID);
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GetPropertyData(theAddress, 0, NULL, theSize, outRelatedDevices);
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ioNumberRelatedDevices = theSize / SizeOf32(AudioObjectID);
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}
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else
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{
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UInt32 theSize = ioNumberRelatedDevices * SizeOf32(AudioObjectID);
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memset(outRelatedDevices, 0, theSize);
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ioNumberRelatedDevices = 0;
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}
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}
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AudioObjectID CAHALAudioDevice::GetRelatedAudioDeviceByIndex(UInt32 inIndex) const
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{
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AudioObjectID theAnswer = kAudioObjectUnknown;
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UInt32 theNumberRelatedDevices = GetNumberRelatedAudioDevices();
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if((theNumberRelatedDevices > 0) && (inIndex < theNumberRelatedDevices))
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{
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CAAutoArrayDelete<AudioObjectID> theRelatedDeviceList(theNumberRelatedDevices);
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GetRelatedAudioDevices(theNumberRelatedDevices, theRelatedDeviceList);
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if((theNumberRelatedDevices > 0) && (inIndex < theNumberRelatedDevices))
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{
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theAnswer = theRelatedDeviceList[inIndex];
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}
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}
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return theAnswer;
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}
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UInt32 CAHALAudioDevice::GetNumberStreams(bool inIsInput) const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyStreams, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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UInt32 theAnswer = GetPropertyDataSize(theAddress, 0, NULL);
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theAnswer /= SizeOf32(AudioObjectID);
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return theAnswer;
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}
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void CAHALAudioDevice::GetStreams(bool inIsInput, UInt32& ioNumberStreams, AudioObjectID* outStreamList) const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyStreams, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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UInt32 theSize = ioNumberStreams * SizeOf32(AudioObjectID);
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GetPropertyData(theAddress, 0, NULL, theSize, outStreamList);
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ioNumberStreams = theSize / SizeOf32(AudioObjectID);
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}
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AudioObjectID CAHALAudioDevice::GetStreamByIndex(bool inIsInput, UInt32 inIndex) const
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{
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AudioObjectID theAnswer = kAudioObjectUnknown;
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UInt32 theNumberStreams = GetNumberStreams(inIsInput);
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if((theNumberStreams > 0) && (inIndex < theNumberStreams))
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{
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CAAutoArrayDelete<AudioObjectID> theStreamList(theNumberStreams);
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GetStreams(inIsInput, theNumberStreams, theStreamList);
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if((theNumberStreams > 0) && (inIndex < theNumberStreams))
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{
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theAnswer = theStreamList[inIndex];
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}
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}
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return theAnswer;
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}
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UInt32 CAHALAudioDevice::GetTotalNumberChannels(bool inIsInput) const
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{
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UInt32 theAnswer = 0;
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CAPropertyAddress theAddress(kAudioDevicePropertyStreamConfiguration, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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UInt32 theSize = GetPropertyDataSize(theAddress, 0, NULL);
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CAAutoFree<AudioBufferList> theBufferList(theSize);
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GetPropertyData(theAddress, 0, NULL, theSize, theBufferList);
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for(UInt32 theIndex = 0; theIndex < theBufferList->mNumberBuffers; ++theIndex)
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{
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theAnswer += theBufferList->mBuffers[theIndex].mNumberChannels;
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}
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return theAnswer;
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}
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void CAHALAudioDevice::GetCurrentVirtualFormats(bool inIsInput, UInt32& ioNumberStreams, AudioStreamBasicDescription* outFormats) const
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{
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ioNumberStreams = std::min(ioNumberStreams, GetNumberStreams(inIsInput));
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for(UInt32 theIndex = 0; theIndex < ioNumberStreams; ++theIndex)
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{
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CAHALAudioStream theStream(GetStreamByIndex(inIsInput, theIndex));
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theStream.GetCurrentVirtualFormat(outFormats[theIndex]);
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}
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}
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void CAHALAudioDevice::GetCurrentPhysicalFormats(bool inIsInput, UInt32& ioNumberStreams, AudioStreamBasicDescription* outFormats) const
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{
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ioNumberStreams = std::min(ioNumberStreams, GetNumberStreams(inIsInput));
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for(UInt32 theIndex = 0; theIndex < ioNumberStreams; ++theIndex)
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{
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CAHALAudioStream theStream(GetStreamByIndex(inIsInput, theIndex));
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theStream.GetCurrentPhysicalFormat(outFormats[theIndex]);
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}
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}
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bool CAHALAudioDevice::IsRunning() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyDeviceIsRunning);
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UInt32 theAnswer = GetPropertyData_UInt32(theAddress, 0, NULL);
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return theAnswer != 0;
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}
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bool CAHALAudioDevice::IsRunningSomewhere() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyDeviceIsRunningSomewhere);
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UInt32 theAnswer = 0;
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if(HasProperty(theAddress))
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{
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theAnswer = GetPropertyData_UInt32(theAddress, 0, NULL);
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}
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return theAnswer != 0;
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}
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UInt32 CAHALAudioDevice::GetLatency(bool inIsInput) const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyLatency, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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return GetPropertyData_UInt32(theAddress, 0, NULL);
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}
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UInt32 CAHALAudioDevice::GetSafetyOffset(bool inIsInput) const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertySafetyOffset, inIsInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput);
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return GetPropertyData_UInt32(theAddress, 0, NULL);
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}
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bool CAHALAudioDevice::HasClockDomain() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyClockDomain);
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return HasProperty(theAddress);
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}
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UInt32 CAHALAudioDevice::GetClockDomain() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyClockDomain);
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return GetPropertyData_UInt32(theAddress, 0, NULL);
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}
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Float64 CAHALAudioDevice::GetActualSampleRate() const
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{
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Float64 theAnswer = 0;
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CAPropertyAddress theAddress(kAudioDevicePropertyActualSampleRate);
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if(HasProperty(theAddress))
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{
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UInt32 theSize = sizeof(Float64);
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GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer);
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}
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else
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{
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theAnswer = GetNominalSampleRate();
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}
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return theAnswer;
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}
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Float64 CAHALAudioDevice::GetNominalSampleRate() const
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{
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Float64 theAnswer = 0;
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CAPropertyAddress theAddress(kAudioDevicePropertyNominalSampleRate);
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UInt32 theSize = sizeof(Float64);
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GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer);
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return theAnswer;
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}
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void CAHALAudioDevice::SetNominalSampleRate(Float64 inSampleRate)
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyNominalSampleRate);
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SetPropertyData(theAddress, 0, NULL, sizeof(Float64), &inSampleRate);
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}
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UInt32 CAHALAudioDevice::GetNumberAvailableNominalSampleRateRanges() const
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{
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UInt32 theAnswer = 0;
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CAPropertyAddress theAddress(kAudioDevicePropertyAvailableNominalSampleRates);
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if(HasProperty(theAddress))
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{
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UInt32 theSize = GetPropertyDataSize(theAddress, 0, NULL);
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theAnswer = theSize / SizeOf32(AudioValueRange);
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}
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return theAnswer;
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}
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void CAHALAudioDevice::GetAvailableNominalSampleRateRanges(UInt32& ioNumberRanges, AudioValueRange* outRanges) const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyAvailableNominalSampleRates);
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if(HasProperty(theAddress))
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{
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UInt32 theSize = ioNumberRanges * SizeOf32(AudioValueRange);
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GetPropertyData(theAddress, 0, NULL, theSize, outRanges);
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ioNumberRanges = theSize / SizeOf32(AudioValueRange);
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}
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else
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{
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ioNumberRanges = 0;
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}
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}
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void CAHALAudioDevice::GetAvailableNominalSampleRateRangeByIndex(UInt32 inIndex, Float64& outMinimum, Float64& outMaximum) const
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{
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UInt32 theNumberRanges = GetNumberAvailableNominalSampleRateRanges();
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ThrowIf(inIndex >= theNumberRanges, CAException(kAudioHardwareIllegalOperationError), "CAHALAudioDevice::GetAvailableNominalSampleRateRangeByIndex: index out of range");
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CAAutoArrayDelete<AudioValueRange> theRanges(theNumberRanges);
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GetAvailableNominalSampleRateRanges(theNumberRanges, theRanges);
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outMinimum = theRanges[inIndex].mMinimum;
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outMaximum = theRanges[inIndex].mMaximum;
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}
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bool CAHALAudioDevice::IsValidNominalSampleRate(Float64 inSampleRate) const
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{
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bool theAnswer = false;
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UInt32 theNumberRanges = GetNumberAvailableNominalSampleRateRanges();
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CAAutoArrayDelete<AudioValueRange> theRanges(theNumberRanges);
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GetAvailableNominalSampleRateRanges(theNumberRanges, theRanges);
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for(UInt32 theIndex = 0; !theAnswer && (theIndex < theNumberRanges); ++theIndex)
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{
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theAnswer = (inSampleRate >= theRanges[theIndex].mMinimum) && (inSampleRate <= theRanges[theIndex].mMinimum);
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}
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return theAnswer;
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}
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bool CAHALAudioDevice::IsIOBufferSizeSettable() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyBufferFrameSize);
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return IsPropertySettable(theAddress);
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}
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UInt32 CAHALAudioDevice::GetIOBufferSize() const
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{
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CAPropertyAddress theAddress(kAudioDevicePropertyBufferFrameSize);
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return GetPropertyData_UInt32(theAddress, 0, NULL);
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}
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|
|
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;
|
|
}
|