113 lines
4.2 KiB
C
113 lines
4.2 KiB
C
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/*
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File: AUParamInfo.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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#include <map>
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#include <vector>
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#include <AudioUnit/AudioUnit.h>
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#include "CAAUParameter.h"
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/*
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The ParameterMap returned by the Map() method is a map where
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- the key is the clumpID
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- the value is a ParameterList (vector<CAAUParameter>)
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If you have parameters on multiple scopes (or elements within a scope), then you should create one of these
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for each scope-element pair
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*/
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class AUParamInfo {
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public:
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typedef std::vector <CAAUParameter> ParameterList;
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typedef std::map <UInt32, ParameterList, std::less<UInt32> > ParameterMap;
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AUParamInfo (AudioUnit inAU,
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bool inIncludeExpert,
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bool inIncludeReadOnly,
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AudioUnitScope inScope = kAudioUnitScope_Global,
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AudioUnitElement inElement = 0);
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~AUParamInfo();
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const ParameterMap& Map () const { return mParams; }
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// some convenience methods
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UInt32 NumParams () const { return mNumParams; }
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AudioUnitParameterID ParamID (UInt32 inIndex) const
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{
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if (inIndex < mNumParams) return mParamListID[inIndex];
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return 0xFFFFFFFF;
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}
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UInt32 NumClumps () const { return static_cast<UInt32>(mParams.size()); }
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UInt32 NumParamsForClump (UInt32 inClump) const;
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// returns NULL if there's no info for the parameter
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const CAAUParameter* GetParamInfo (AudioUnitParameterID inParamID) const;
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AudioUnitScope GetScope () const { return mScope; }
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AudioUnitElement GetElement () const { return mElement; }
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private:
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AudioUnit mAU;
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UInt32 mNumParams;
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AudioUnitParameterID * mParamListID;
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ParameterMap mParams;
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AudioUnitScope mScope;
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AudioUnitElement mElement;
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// disallow
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AUParamInfo () {}
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AUParamInfo (const AUParamInfo &c) {}
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AUParamInfo& operator= (const AUParamInfo& c) { return *this; }
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};
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