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Diffstat (limited to 'distrho/src/CoreAudio106/AudioUnits/AUPublic/OtherBases/AUPannerBase.h')
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1 files changed, 263 insertions, 0 deletions
diff --git a/distrho/src/CoreAudio106/AudioUnits/AUPublic/OtherBases/AUPannerBase.h b/distrho/src/CoreAudio106/AudioUnits/AUPublic/OtherBases/AUPannerBase.h new file mode 100755 index 00000000..fa2140cc --- /dev/null +++ b/distrho/src/CoreAudio106/AudioUnits/AUPublic/OtherBases/AUPannerBase.h @@ -0,0 +1,263 @@ +/* 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. +*/ +#ifndef __AUPannerBase_h__ +#define __AUPannerBase_h__ + +#include "AUBase.h" +#include <math.h> +#include "CAAutoDisposer.h" +#include "CAAudioChannelLayout.h" + + +/*! @class AUPannerBase */ +class AUPannerBase : public AUBase +{ +public: +/*! @ctor AUPannerBase */ + AUPannerBase(AudioComponentInstance inAudioUnit); +/*! @dtor ~AUPannerBase */ + virtual ~AUPannerBase(); + + /*! @method Initialize */ + virtual OSStatus Initialize(); + + /*! @method Cleanup */ + virtual void Cleanup(); + + + /*! @method Reset */ + virtual OSStatus Reset( AudioUnitScope inScope, + AudioUnitElement inElement); + + /*! @method GetParameterInfo */ + virtual OSStatus GetParameterInfo( AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + AudioUnitParameterInfo &outParameterInfo ); + + + /*! @method GetPropertyInfo */ + virtual OSStatus GetPropertyInfo (AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + UInt32 & outDataSize, + Boolean & outWritable); + + /*! @method GetProperty */ + virtual OSStatus GetProperty (AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData); + + /*! @method SetProperty */ + virtual OSStatus SetProperty(AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + const void * inData, + UInt32 inDataSize); + + + /*! @method StreamFormatWritable */ + virtual bool StreamFormatWritable (AudioUnitScope scope, + AudioUnitElement element); + + /*! @method ChangeStreamFormat */ + virtual OSStatus ChangeStreamFormat ( + AudioUnitScope inScope, + AudioUnitElement inElement, + const CAStreamBasicDescription & inPrevFormat, + const CAStreamBasicDescription & inNewFormat); + + + /*! @method IsBypassEffect */ + // This is used for the property value - to reflect to the UI if an effect is bypassed + bool IsBypassEffect () { return mBypassEffect; } + + /*! @method SetBypassEffect */ + virtual void SetBypassEffect (bool inFlag) { mBypassEffect = inFlag; } + + + /*! @method Render */ + virtual OSStatus Render(AudioUnitRenderActionFlags & ioActionFlags, + const AudioTimeStamp & inTimeStamp, + UInt32 inNumberFrames); + + /*! @method Render */ + virtual OSStatus PannerRender(AudioUnitRenderActionFlags & ioActionFlags, + const AudioTimeStamp & inTimeStamp, + UInt32 inNumberFrames) = 0; + + /*! @method BypassRender */ + virtual OSStatus BypassRender(AudioUnitRenderActionFlags & ioActionFlags, + const AudioTimeStamp & inTimeStamp, + UInt32 inNumberFrames); + + + /*! @method GetAudioChannelLayout */ + virtual UInt32 GetAudioChannelLayout( AudioUnitScope inScope, + AudioUnitElement inElement, + AudioChannelLayout * outLayoutPtr, + Boolean & outWritable); + + /*! @method SetAudioChannelLayout */ + virtual OSStatus SetAudioChannelLayout( AudioUnitScope inScope, + AudioUnitElement inElement, + const AudioChannelLayout * inLayout); + + /*! @method RemoveAudioChannelLayout */ + virtual OSStatus RemoveAudioChannelLayout( AudioUnitScope inScope, + AudioUnitElement inElement); + + /*! @method GetChannelLayoutTags */ + virtual UInt32 GetChannelLayoutTags( AudioUnitScope inScope, + AudioUnitElement inElement, + AudioChannelLayoutTag* outTags); + + /*! @method GetNumberOfInputChannels */ + UInt32 GetNumberOfInputChannels() { return ((AUIOElement*)Inputs().SafeGetElement(0))->NumberChannels(); }; + /*! @method GetNumberOfOutputChannels */ + UInt32 GetNumberOfOutputChannels() { return ((AUIOElement*)Outputs().SafeGetElement(0))->NumberChannels(); } + + /*! @method GetParameter */ + virtual OSStatus GetParameter( AudioUnitParameterID inParamID, + AudioUnitScope inScope, + AudioUnitElement inElement, + Float32 & outValue); + + /*! @method SetParameter */ + virtual OSStatus SetParameter( AudioUnitParameterID inParamID, + AudioUnitScope inScope, + AudioUnitElement inElement, + Float32 inValue, + UInt32 inBufferOffsetInFrames); + + // convenience wrappers for accessing parameters in the global scope + /*! @method SetParameter */ + void SetParameter( UInt32 inParamID, + Float32 inValue) + { + OSStatus err = SetParameter(inParamID, kAudioUnitScope_Global, 0, inValue, 0); + if (err) throw err; + } + + /*! @method GetParameter */ + Float32 GetParameter( UInt32 inParamID ) + { + Float32 outValue = 0.; + OSStatus err = GetParameter(inParamID, kAudioUnitScope_Global, 0, outValue); + if (err) throw err; + return outValue; + } + + /*! @method InputChannelConfigIsSupported */ + bool InputChannelConfigIsSupported(UInt32 inNumberChannels); + /*! @method OutputChannelConfigIsSupported */ + bool OutputChannelConfigIsSupported(UInt32 inNumberChannels); + /*! @method ChannelConfigIsSupported */ + bool ChannelConfigIsSupported(); + + /*! @method SupportsTail */ + virtual bool SupportsTail () { return true; } + /*! @method GetTailTime */ + virtual Float64 GetTailTime() { return 0; } + + + /*! @method GetGain */ + Float32 GetGain() { return GetParameter(kPannerParam_Gain); } + /*! @method GetTailTime */ + Float32 GetAzimuth() { return GetParameter(kPannerParam_Azimuth); } + /*! @method GetElevation */ + Float32 GetElevation() { return GetParameter(kPannerParam_Elevation); } + /*! @method GetDistance */ + Float32 GetDistance() { return GetParameter(kPannerParam_Distance); } + /*! @method GetCoordScale */ + Float32 GetCoordScale() { return GetParameter(kPannerParam_CoordScale); } + /*! @method GetRefDistance */ + Float32 GetRefDistance() { return GetParameter(kPannerParam_RefDistance); } + + /*! @method SetGain */ + void SetGain(Float32 inValue) { SetParameter(kPannerParam_Gain, inValue); } + /*! @method SetAzimuth */ + void SetAzimuth(Float32 inValue) { SetParameter(kPannerParam_Azimuth, inValue); } + /*! @method SetElevation */ + void SetElevation(Float32 inValue) { SetParameter(kPannerParam_Elevation, inValue); } + /*! @method SetDistance */ + void SetDistance(Float32 inValue) { SetParameter(kPannerParam_Distance, inValue); } + /*! @method SetCoordScale */ + void SetCoordScale(Float32 inValue) { SetParameter(kPannerParam_CoordScale, inValue); } + /*! @method SetRefDistance */ + void SetRefDistance(Float32 inValue) { SetParameter(kPannerParam_RefDistance, inValue); } + +protected: + /*! @method ShouldBypassEffect */ + // This is used in the render call to see if an effect is bypassed + // It can return a different status than IsBypassEffect (though it MUST take that into account) + virtual bool ShouldBypassEffect () { return IsBypassEffect(); } + + /*! @method AllocBypassMatrix */ + void AllocBypassMatrix(); + + /*! @method UpdateBypassMatrix */ + OSStatus UpdateBypassMatrix(); + + /*! @method SetDefaultChannelLayoutsIfNone */ + OSStatus SetDefaultChannelLayoutsIfNone(); + + /*! @method ChannelLayoutTagIsSupported */ + bool ChannelLayoutTagIsSupported( AudioUnitScope inScope, + AudioUnitElement inElement, + AudioChannelLayoutTag inTag); + + const AudioChannelLayout& GetInputLayout() const { return mInputLayout.Layout(); } + const AudioChannelLayout& GetOutputLayout() const { return mOutputLayout.Layout(); } + +private: + + /*! @var UpdateBypassMatrix */ + bool mBypassEffect; + /*! @var mBypassMatrix */ + CAAutoFree<Float32> mBypassMatrix; + /*! @var mInputLayout */ + CAAudioChannelLayout mInputLayout; + /*! @var mOutputLayout */ + CAAudioChannelLayout mOutputLayout; +}; + +#endif /* __AUPannerBase_h__ */ |