146 lines
5.7 KiB
C++
146 lines
5.7 KiB
C++
/*
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File: CAComponentDescription.h
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Abstract: Part of CoreAudio Utility Classes
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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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#ifndef __CAComponentDescription_h__
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#define __CAComponentDescription_h__
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#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
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#include <AudioUnit/AudioUnit.h>
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#else
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#include <ConditionalMacros.h>
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#include <AudioUnit.h>
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#endif
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#include "CACFDictionary.h"
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#include <stdio.h>
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#include <string.h>
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void CAShowComponentDescription(const AudioComponentDescription *desc);
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// ____________________________________________________________________________
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//
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// CAComponentDescription
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class CAComponentDescription : public AudioComponentDescription {
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public:
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CAComponentDescription() { memset (this, 0, sizeof (AudioComponentDescription)); }
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CAComponentDescription (OSType inType, OSType inSubtype = 0, OSType inManu = 0);
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CAComponentDescription(const AudioComponentDescription& desc) { memcpy (this, &desc, sizeof (AudioComponentDescription)); }
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// _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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//
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// interrogation
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bool IsAU () const;
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bool IsAUFX() const { return componentType == kAudioUnitType_Effect; }
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bool IsAUFM() const { return componentType == kAudioUnitType_MusicEffect; }
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bool IsAUMI() const { return componentType == 'aumi' /*kAudioUnitType_MIDIProcessor*/; }
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bool IsAUAX () const { return componentType == 'auax' /*kAudioUnitType_Auxiliary*/; }
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bool IsEffect () const { return IsAUFX() || IsAUFM() || IsPanner(); }
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bool IsOffline () const { return componentType == 'auol' /*kAudioUnitType_Offline*/; }
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bool IsFConv () const { return componentType == kAudioUnitType_FormatConverter; }
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bool IsPanner () const { return componentType == kAudioUnitType_Panner; }
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bool IsMusicDevice () const { return componentType == kAudioUnitType_MusicDevice; }
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#ifndef MAC_OS_X_VERSION_10_4
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bool IsGenerator () const { return componentType =='augn'; }
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#else
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bool IsGenerator () const { return componentType ==kAudioUnitType_Generator; }
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#endif
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bool IsOutput () const { return componentType == kAudioUnitType_Output; }
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bool IsSource () const { return IsMusicDevice() || IsGenerator(); }
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OSType Type () const { return componentType; }
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OSType SubType () const { return componentSubType; }
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OSType Manu () const { return componentManufacturer; }
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int Count() const { return AudioComponentCount(const_cast<CAComponentDescription*>(this)); }
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// does a semantic match where "wild card" values for type, subtype, manu will match
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bool Matches (const AudioComponentDescription &desc) const;
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// _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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//
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// other
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void Print(FILE* file = stdout) const { _CAShowComponentDescription (this, file); }
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OSStatus Save (CFPropertyListRef *outData) const;
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OSStatus Restore (CFPropertyListRef &inData);
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private:
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static void _CAShowComponentDescription (const AudioComponentDescription *desc, FILE* file);
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friend void CAShowComponentDescription (const AudioComponentDescription *desc);
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};
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inline bool operator< (const AudioComponentDescription& x, const AudioComponentDescription& y)
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{
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return memcmp (&x, &y, offsetof (AudioComponentDescription, componentFlags)) < 0;
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}
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inline bool operator== (const AudioComponentDescription& x, const AudioComponentDescription& y)
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{
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return !memcmp (&x, &y, offsetof (AudioComponentDescription, componentFlags));
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}
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inline bool operator!= (const AudioComponentDescription& x, const AudioComponentDescription& y)
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{
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return !(x == y);
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}
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#endif
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