mirror of
https://github.com/morgan9e/VolumeControl
synced 2026-04-15 00:34:09 +09:00
Initial commit
This commit is contained in:
181
app/PublicUtility/CAHALAudioSystemObject.cpp
Normal file
181
app/PublicUtility/CAHALAudioSystemObject.cpp
Normal file
@@ -0,0 +1,181 @@
|
||||
/*
|
||||
File: CAHALAudioSystemObject.cpp
|
||||
Abstract: CAHALAudioSystemObject.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 "CAHALAudioSystemObject.h"
|
||||
|
||||
// PublicUtility Includes
|
||||
#include "CAAutoDisposer.h"
|
||||
#include "CACFString.h"
|
||||
#include "CAHALAudioDevice.h"
|
||||
#include "CAPropertyAddress.h"
|
||||
|
||||
//==================================================================================================
|
||||
// CAHALAudioSystemObject
|
||||
//==================================================================================================
|
||||
|
||||
CAHALAudioSystemObject::CAHALAudioSystemObject()
|
||||
:
|
||||
CAHALAudioObject(kAudioObjectSystemObject)
|
||||
{
|
||||
}
|
||||
|
||||
CAHALAudioSystemObject::~CAHALAudioSystemObject()
|
||||
{
|
||||
}
|
||||
|
||||
UInt32 CAHALAudioSystemObject::GetNumberAudioDevices() const
|
||||
{
|
||||
CAPropertyAddress theAddress(kAudioHardwarePropertyDevices);
|
||||
UInt32 theAnswer = GetPropertyDataSize(theAddress, 0, NULL);
|
||||
theAnswer /= SizeOf32(AudioObjectID);
|
||||
return theAnswer;
|
||||
}
|
||||
|
||||
void CAHALAudioSystemObject::GetAudioDevices(UInt32& ioNumberAudioDevices, AudioObjectID* outAudioDevices) const
|
||||
{
|
||||
CAPropertyAddress theAddress(kAudioHardwarePropertyDevices);
|
||||
UInt32 theSize = ioNumberAudioDevices * SizeOf32(AudioObjectID);
|
||||
GetPropertyData(theAddress, 0, NULL, theSize, outAudioDevices);
|
||||
ioNumberAudioDevices = theSize / SizeOf32(AudioObjectID);
|
||||
}
|
||||
|
||||
AudioObjectID CAHALAudioSystemObject::GetAudioDeviceAtIndex(UInt32 inIndex) const
|
||||
{
|
||||
AudioObjectID theAnswer = kAudioObjectUnknown;
|
||||
UInt32 theNumberDevices = GetNumberAudioDevices();
|
||||
if((theNumberDevices > 0) && (inIndex < theNumberDevices))
|
||||
{
|
||||
CAAutoArrayDelete<AudioObjectID> theDeviceList(theNumberDevices);
|
||||
GetAudioDevices(theNumberDevices, theDeviceList);
|
||||
if((theNumberDevices > 0) && (inIndex < theNumberDevices))
|
||||
{
|
||||
theAnswer = theDeviceList[inIndex];
|
||||
}
|
||||
}
|
||||
return theAnswer;
|
||||
}
|
||||
|
||||
AudioObjectID CAHALAudioSystemObject::GetAudioDeviceForUID(CFStringRef inUID) const
|
||||
{
|
||||
AudioObjectID theAnswer = kAudioObjectUnknown;
|
||||
AudioValueTranslation theValue = { &inUID, sizeof(CFStringRef), &theAnswer, sizeof(AudioObjectID) };
|
||||
CAPropertyAddress theAddress(kAudioHardwarePropertyDeviceForUID);
|
||||
UInt32 theSize = sizeof(AudioValueTranslation);
|
||||
GetPropertyData(theAddress, 0, NULL, theSize, &theValue);
|
||||
return theAnswer;
|
||||
}
|
||||
|
||||
void CAHALAudioSystemObject::LogBasicDeviceInfo()
|
||||
{
|
||||
UInt32 theNumberDevices = GetNumberAudioDevices();
|
||||
CAAutoArrayDelete<AudioObjectID> theDeviceList(theNumberDevices);
|
||||
GetAudioDevices(theNumberDevices, theDeviceList);
|
||||
DebugMessageN1("CAHALAudioSystemObject::LogBasicDeviceInfo: %d devices", (int)theNumberDevices);
|
||||
for(UInt32 theDeviceIndex = 0; theDeviceIndex < theNumberDevices; ++theDeviceIndex)
|
||||
{
|
||||
char theCString[256];
|
||||
UInt32 theCStringSize = sizeof(theCString);
|
||||
DebugMessageN1("CAHALAudioSystemObject::LogBasicDeviceInfo: Device %d", (int)theDeviceIndex);
|
||||
|
||||
CAHALAudioDevice theDevice(theDeviceList[theDeviceIndex]);
|
||||
DebugMessageN1("CAHALAudioSystemObject::LogBasicDeviceInfo: Object ID: %d", (int)theDeviceList[theDeviceIndex]);
|
||||
|
||||
CACFString theDeviceName(theDevice.CopyName());
|
||||
theCStringSize = sizeof(theCString);
|
||||
theDeviceName.GetCString(theCString, theCStringSize);
|
||||
DebugMessageN1("CAHALAudioSystemObject::LogBasicDeviceInfo: Name: %s", theCString);
|
||||
|
||||
CACFString theDeviceUID(theDevice.CopyDeviceUID());
|
||||
theCStringSize = sizeof(theCString);
|
||||
theDeviceUID.GetCString(theCString, theCStringSize);
|
||||
DebugMessageN1("CAHALAudioSystemObject::LogBasicDeviceInfo: UID: %s", theCString);
|
||||
}
|
||||
}
|
||||
|
||||
static inline AudioObjectPropertySelector CAHALAudioSystemObject_CalculateDefaultDeviceProperySelector(bool inIsInput, bool inIsSystem)
|
||||
{
|
||||
AudioObjectPropertySelector theAnswer = kAudioHardwarePropertyDefaultOutputDevice;
|
||||
if(inIsInput)
|
||||
{
|
||||
theAnswer = kAudioHardwarePropertyDefaultInputDevice;
|
||||
}
|
||||
else if(inIsSystem)
|
||||
{
|
||||
theAnswer = kAudioHardwarePropertyDefaultSystemOutputDevice;
|
||||
}
|
||||
return theAnswer;
|
||||
}
|
||||
|
||||
AudioObjectID CAHALAudioSystemObject::GetDefaultAudioDevice(bool inIsInput, bool inIsSystem) const
|
||||
{
|
||||
AudioObjectID theAnswer = kAudioObjectUnknown;
|
||||
CAPropertyAddress theAddress(CAHALAudioSystemObject_CalculateDefaultDeviceProperySelector(inIsInput, inIsSystem));
|
||||
UInt32 theSize = sizeof(AudioObjectID);
|
||||
GetPropertyData(theAddress, 0, NULL, theSize, &theAnswer);
|
||||
return theAnswer;
|
||||
}
|
||||
|
||||
void CAHALAudioSystemObject::SetDefaultAudioDevice(bool inIsInput, bool inIsSystem, AudioObjectID inNewDefaultDevice)
|
||||
{
|
||||
CAPropertyAddress theAddress(CAHALAudioSystemObject_CalculateDefaultDeviceProperySelector(inIsInput, inIsSystem));
|
||||
UInt32 theSize = sizeof(AudioObjectID);
|
||||
SetPropertyData(theAddress, 0, NULL, theSize, &inNewDefaultDevice);
|
||||
}
|
||||
|
||||
AudioObjectID CAHALAudioSystemObject::GetAudioPlugInForBundleID(CFStringRef inUID) const
|
||||
{
|
||||
AudioObjectID theAnswer = kAudioObjectUnknown;
|
||||
AudioValueTranslation theValue = { &inUID, sizeof(CFStringRef), &theAnswer, sizeof(AudioObjectID) };
|
||||
CAPropertyAddress theAddress(kAudioHardwarePropertyPlugInForBundleID);
|
||||
UInt32 theSize = sizeof(AudioValueTranslation);
|
||||
GetPropertyData(theAddress, 0, NULL, theSize, &theValue);
|
||||
return theAnswer;
|
||||
}
|
||||
Reference in New Issue
Block a user