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diff --git a/distrho/src/CoreAudio106/PublicUtility/CAComponentDescription.cpp b/distrho/src/CoreAudio106/PublicUtility/CAComponentDescription.cpp
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+/*	Copyright © 2007 Apple Inc. All Rights Reserved.
+	
+	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.
+*/
+#include "CAComponentDescription.h"
+#include "CAStreamBasicDescription.h"
+#include <ctype.h>
+
+void CAShowComponentDescription(const AudioComponentDescription *desc)
+{
+	CAComponentDescription::_CAShowComponentDescription (desc, stdout);
+}
+
+void 	CAComponentDescription::_CAShowComponentDescription(const AudioComponentDescription *desc, FILE* file)
+{
+	if (desc)
+	{
+		char str[24];
+		fprintf (file, "AudioComponentDescription: %s - ", CAStringForOSType(desc->componentType, str));
+		fprintf (file, "%s - ", CAStringForOSType(desc->componentSubType, str));
+		fprintf (file, "%s", CAStringForOSType(desc->componentManufacturer, str));		
+		fprintf (file, ", 0x%X, 0x%X\n", (int)desc->componentFlags, (int)desc->componentFlagsMask);
+	}
+}
+
+CAComponentDescription::CAComponentDescription (OSType inType, OSType inSubtype, OSType inManu)
+{
+	componentType = inType;
+	componentSubType = inSubtype;
+	componentManufacturer = inManu;
+	componentFlags = 0;
+	componentFlagsMask = 0;
+}
+
+bool	CAComponentDescription::IsAU () const 
+{ 
+	bool flag = IsEffect() || IsMusicDevice() || IsOffline();
+	if (flag) return true;
+	
+	switch (componentType) {
+		case kAudioUnitType_Output:
+		case kAudioUnitType_FormatConverter:
+		case kAudioUnitType_Mixer:
+			return true;
+	}
+	return false;
+}
+
+inline bool _MatchTest (const OSType &inTypeA, const OSType &inTypeB)
+{
+	return ((inTypeA == inTypeB) || (!inTypeA && !inTypeB) || (inTypeA && !inTypeB) || (!inTypeA && inTypeB)); 
+}
+
+bool	CAComponentDescription::Matches (const AudioComponentDescription &desc) const
+{
+	bool matches = false;
+		
+		// see if the type matches
+	matches = _MatchTest (componentType, desc.componentType);
+	
+	if (matches)
+		matches = _MatchTest (componentSubType, desc.componentSubType);
+	
+	if (matches)
+		matches = _MatchTest (componentManufacturer, desc.componentManufacturer);
+	
+	return matches;
+}