183 lines
7.2 KiB
C++
183 lines
7.2 KiB
C++
|
/*
|
||
|
|
File: CAHALAudioStream.cpp
|
||
|
|
Abstract: CAHALAudioStream.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 "CAHALAudioStream.h"
|
||
|
|
|
||
|
|
// PublicUtility Includes
|
||
|
|
#include "CAAutoDisposer.h"
|
||
|
|
#include "CADebugMacros.h"
|
||
|
|
#include "CAException.h"
|
||
|
|
#include "CAPropertyAddress.h"
|
||
|
|
|
||
|
|
//==================================================================================================
|
||
|
|
// CAHALAudioStream
|
||
|
|
//==================================================================================================
|
||
|
|
|
||
|
|
CAHALAudioStream::CAHALAudioStream(AudioObjectID inAudioStream)
|
||
|
|
:
|
||
|
|
CAHALAudioObject(inAudioStream)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
CAHALAudioStream::~CAHALAudioStream()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
UInt32 CAHALAudioStream::GetDirection() const
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyDirection);
|
||
|
|
return GetPropertyData_UInt32(theAddress, 0, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
UInt32 CAHALAudioStream::GetTerminalType() const
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyTerminalType);
|
||
|
|
return GetPropertyData_UInt32(theAddress, 0, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
UInt32 CAHALAudioStream::GetStartingChannel() const
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyStartingChannel);
|
||
|
|
return GetPropertyData_UInt32(theAddress, 0, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
UInt32 CAHALAudioStream::GetLatency() const
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyLatency);
|
||
|
|
return GetPropertyData_UInt32(theAddress, 0, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAHALAudioStream::GetCurrentVirtualFormat(AudioStreamBasicDescription& outFormat) const
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyVirtualFormat);
|
||
|
|
UInt32 theSize = sizeof(AudioStreamBasicDescription);
|
||
|
|
GetPropertyData(theAddress, 0, NULL, theSize, &outFormat);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAHALAudioStream::SetCurrentVirtualFormat(const AudioStreamBasicDescription& inFormat)
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyVirtualFormat);
|
||
|
|
SetPropertyData(theAddress, 0, NULL, sizeof(AudioStreamBasicDescription), &inFormat);
|
||
|
|
}
|
||
|
|
|
||
|
|
UInt32 CAHALAudioStream::GetNumberAvailableVirtualFormats() const
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyAvailableVirtualFormats);
|
||
|
|
UInt32 theAnswer = GetPropertyDataSize(theAddress, 0, NULL);
|
||
|
|
theAnswer /= SizeOf32(AudioStreamRangedDescription);
|
||
|
|
return theAnswer;
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAHALAudioStream::GetAvailableVirtualFormats(UInt32& ioNumberFormats, AudioStreamRangedDescription* outFormats) const
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyAvailableVirtualFormats);
|
||
|
|
UInt32 theSize = ioNumberFormats * SizeOf32(AudioStreamRangedDescription);
|
||
|
|
GetPropertyData(theAddress, 0, NULL, theSize, outFormats);
|
||
|
|
ioNumberFormats = theSize / SizeOf32(AudioStreamRangedDescription);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAHALAudioStream::GetAvailableVirtualFormatByIndex(UInt32 inIndex, AudioStreamRangedDescription& outFormat) const
|
||
|
|
{
|
||
|
|
UInt32 theNumberFormats = GetNumberAvailableVirtualFormats();
|
||
|
|
if((theNumberFormats > 0) && (inIndex < theNumberFormats))
|
||
|
|
{
|
||
|
|
CAAutoArrayDelete<AudioStreamRangedDescription> theFormats(theNumberFormats);
|
||
|
|
GetAvailableVirtualFormats(theNumberFormats, theFormats);
|
||
|
|
if((theNumberFormats > 0) && (inIndex < theNumberFormats))
|
||
|
|
{
|
||
|
|
outFormat = theFormats[inIndex];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAHALAudioStream::GetCurrentPhysicalFormat(AudioStreamBasicDescription& outFormat) const
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyPhysicalFormat);
|
||
|
|
UInt32 theSize = sizeof(AudioStreamBasicDescription);
|
||
|
|
GetPropertyData(theAddress, 0, NULL, theSize, &outFormat);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAHALAudioStream::SetCurrentPhysicalFormat(const AudioStreamBasicDescription& inFormat)
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyPhysicalFormat);
|
||
|
|
SetPropertyData(theAddress, 0, NULL, sizeof(AudioStreamBasicDescription), &inFormat);
|
||
|
|
}
|
||
|
|
|
||
|
|
UInt32 CAHALAudioStream::GetNumberAvailablePhysicalFormats() const
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyAvailablePhysicalFormats);
|
||
|
|
UInt32 theAnswer = GetPropertyDataSize(theAddress, 0, NULL);
|
||
|
|
theAnswer /= SizeOf32(AudioStreamRangedDescription);
|
||
|
|
return theAnswer;
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAHALAudioStream::GetAvailablePhysicalFormats(UInt32& ioNumberFormats, AudioStreamRangedDescription* outFormats) const
|
||
|
|
{
|
||
|
|
CAPropertyAddress theAddress(kAudioStreamPropertyAvailablePhysicalFormats);
|
||
|
|
UInt32 theSize = ioNumberFormats * SizeOf32(AudioStreamRangedDescription);
|
||
|
|
GetPropertyData(theAddress, 0, NULL, theSize, outFormats);
|
||
|
|
ioNumberFormats = theSize / SizeOf32(AudioStreamRangedDescription);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAHALAudioStream::GetAvailablePhysicalFormatByIndex(UInt32 inIndex, AudioStreamRangedDescription& outFormat) const
|
||
|
|
{
|
||
|
|
UInt32 theNumberFormats = GetNumberAvailablePhysicalFormats();
|
||
|
|
if((theNumberFormats > 0) && (inIndex < theNumberFormats))
|
||
|
|
{
|
||
|
|
CAAutoArrayDelete<AudioStreamRangedDescription> theFormats(theNumberFormats);
|
||
|
|
GetAvailablePhysicalFormats(theNumberFormats, theFormats);
|
||
|
|
if((theNumberFormats > 0) && (inIndex < theNumberFormats))
|
||
|
|
{
|
||
|
|
outFormat = theFormats[inIndex];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|