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Diffstat (limited to 'libs/appleutility/CoreAudio/PublicUtility/CAHALAudioStream.cpp')
| -rw-r--r-- | libs/appleutility/CoreAudio/PublicUtility/CAHALAudioStream.cpp | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/libs/appleutility/CoreAudio/PublicUtility/CAHALAudioStream.cpp b/libs/appleutility/CoreAudio/PublicUtility/CAHALAudioStream.cpp new file mode 100644 index 0000000000..62b9b3c566 --- /dev/null +++ b/libs/appleutility/CoreAudio/PublicUtility/CAHALAudioStream.cpp @@ -0,0 +1,182 @@ +/* + 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]; + } + } +} |