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Diffstat (limited to 'libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/AUScopeElement.h')
-rw-r--r--libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/AUScopeElement.h134
1 files changed, 67 insertions, 67 deletions
diff --git a/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/AUScopeElement.h b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/AUScopeElement.h
index 47ebe2f338..ae493f217b 100644
--- a/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/AUScopeElement.h
+++ b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/AUScopeElement.h
@@ -2,14 +2,14 @@
File: AUScopeElement.h
Abstract: Part of CoreAudio Utility Classes
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
@@ -25,13 +25,13 @@
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
@@ -40,9 +40,9 @@
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.
-
+
*/
#ifndef __AUScopeElement_h__
#define __AUScopeElement_h__
@@ -69,15 +69,15 @@ class ParameterMapEvent
{
public:
/*! @ctor ParameterMapEvent */
- ParameterMapEvent()
- : mEventType(kParameterEvent_Immediate), mBufferOffset(0), mDurationInFrames(0), mValue1(0.0f), mValue2(0.0f), mSliceDurationFrames(0)
+ ParameterMapEvent()
+ : mEventType(kParameterEvent_Immediate), mBufferOffset(0), mDurationInFrames(0), mValue1(0.0f), mValue2(0.0f), mSliceDurationFrames(0)
{}
/*! @ctor ParameterMapEvent */
ParameterMapEvent(AudioUnitParameterValue inValue)
- : mEventType(kParameterEvent_Immediate), mBufferOffset(0), mDurationInFrames(0), mValue1(inValue), mValue2(inValue), mSliceDurationFrames(0)
+ : mEventType(kParameterEvent_Immediate), mBufferOffset(0), mDurationInFrames(0), mValue1(inValue), mValue2(inValue), mSliceDurationFrames(0)
{}
-
+
// constructor for scheduled event
/*! @ctor ParameterMapEvent */
ParameterMapEvent( const AudioUnitParameterEvent &inEvent,
@@ -86,7 +86,7 @@ public:
{
SetScheduledEvent(inEvent, inSliceOffsetInBuffer, inSliceDurationFrames );
};
-
+
/*! @method SetScheduledEvent */
void SetScheduledEvent( const AudioUnitParameterEvent &inEvent,
UInt32 inSliceOffsetInBuffer,
@@ -94,7 +94,7 @@ public:
{
mEventType = inEvent.eventType;
mSliceDurationFrames = inSliceDurationFrames;
-
+
if(mEventType == kParameterEvent_Immediate )
{
// constant immediate value for the whole slice
@@ -111,9 +111,9 @@ public:
mValue2 = inEvent.eventValues.ramp.endValue;
}
};
-
-
-
+
+
+
/*! @method GetEventType */
AUParameterEventType GetEventType() const {return mEventType;};
@@ -122,13 +122,13 @@ public:
/*! @method GetEndValue */
AudioUnitParameterValue GetEndValue() const {return mValue2;}; // only valid if immediate event type
/*! @method SetValue */
- void SetValue(AudioUnitParameterValue inValue)
+ void SetValue(AudioUnitParameterValue inValue)
{
- mEventType = kParameterEvent_Immediate;
- mValue1 = inValue;
+ mEventType = kParameterEvent_Immediate;
+ mValue1 = inValue;
mValue2 = inValue;
}
-
+
// interpolates the start and end values corresponding to the current processing slice
// most ramp parameter implementations will want to use this method
// the start value will correspond to the start of the slice
@@ -140,7 +140,7 @@ public:
{
if (mEventType == kParameterEvent_Ramped) {
outValuePerFrameDelta = (mValue2 - mValue1) / mDurationInFrames;
-
+
outStartValue = mValue1 + outValuePerFrameDelta * (-mBufferOffset); // corresponds to frame 0 of this slice
outEndValue = outStartValue + outValuePerFrameDelta * mSliceDurationFrames;
} else {
@@ -178,15 +178,15 @@ public:
}
#endif
-private:
+private:
AUParameterEventType mEventType;
-
+
SInt32 mBufferOffset; // ramp start offset relative to start of this slice (may be negative)
UInt32 mDurationInFrames; // total duration of ramp parameter
AudioUnitParameterValue mValue1; // value if immediate : startValue if ramp
AudioUnitParameterValue mValue2; // endValue (only used for ramp)
-
- UInt32 mSliceDurationFrames; // duration of this processing slice
+
+ UInt32 mSliceDurationFrames; // duration of this processing slice
};
@@ -201,10 +201,10 @@ public:
/*! @ctor AUElement */
AUElement(AUBase *audioUnit) : mAudioUnit(audioUnit),
mUseIndexedParameters(false), mElementName(0) { }
-
+
/*! @dtor ~AUElement */
virtual ~AUElement() { if (mElementName) CFRelease (mElementName); }
-
+
/*! @method GetNumberOfParameters */
virtual UInt32 GetNumberOfParameters()
{
@@ -214,12 +214,12 @@ public:
virtual void GetParameterList(AudioUnitParameterID *outList);
/*! @method HasParameterID */
bool HasParameterID (AudioUnitParameterID paramID) const;
-
+
/*! @method GetParameter */
AudioUnitParameterValue GetParameter(AudioUnitParameterID paramID);
/*! @method SetParameter */
void SetParameter(AudioUnitParameterID paramID, AudioUnitParameterValue value, bool okWhenInitialized = false);
- // Only set okWhenInitialized to true when you know the outside world cannot access this element. Otherwise the parameter map could get corrupted.
+ // Only set okWhenInitialized to true when you know the outside world cannot access this element. Otherwise the parameter map could get corrupted.
// interpolates the start and end values corresponding to the current processing slice
// most ramp parameter implementations will want to use this method
@@ -228,7 +228,7 @@ public:
AudioUnitParameterValue & outStartValue,
AudioUnitParameterValue & outEndValue,
AudioUnitParameterValue & outValuePerFrameDelta );
-
+
/*! @method GetEndValue */
AudioUnitParameterValue GetEndValue( AudioUnitParameterID paramID);
@@ -238,7 +238,7 @@ public:
UInt32 inSliceOffsetInBuffer,
UInt32 inSliceDurationFrames,
bool okWhenInitialized = false );
- // Only set okWhenInitialized to true when you know the outside world cannot access this element. Otherwise the parameter map could get corrupted.
+ // Only set okWhenInitialized to true when you know the outside world cannot access this element. Otherwise the parameter map could get corrupted.
/*! @method GetAudioUnit */
@@ -259,13 +259,13 @@ public:
/*! @method AsIOElement*/
virtual AUIOElement* AsIOElement () { return NULL; }
-
+
protected:
inline ParameterMapEvent& GetParamEvent(AudioUnitParameterID paramID);
-
+
private:
typedef std::map<AudioUnitParameterID, ParameterMapEvent, std::less<AudioUnitParameterID> > ParameterMap;
-
+
/*! @var mAudioUnit */
AUBase * mAudioUnit;
/*! @var mParameters */
@@ -275,7 +275,7 @@ private:
bool mUseIndexedParameters;
/*! @var mIndexedParameters */
std::vector<ParameterMapEvent> mIndexedParameters;
-
+
/*! @var mElementName */
CFStringRef mElementName;
};
@@ -292,7 +292,7 @@ public:
/*! @method GetStreamFormat */
const CAStreamBasicDescription &GetStreamFormat() const { return mStreamFormat; }
-
+
/*! @method SetStreamFormat */
virtual OSStatus SetStreamFormat(const CAStreamBasicDescription &desc);
@@ -304,14 +304,14 @@ public:
virtual bool NeedsBufferSpace() const = 0;
/*! @method SetWillAllocateBuffer */
- void SetWillAllocateBuffer(bool inFlag) {
- mWillAllocate = inFlag;
+ void SetWillAllocateBuffer(bool inFlag) {
+ mWillAllocate = inFlag;
}
/*! @method WillAllocateBuffer */
- bool WillAllocateBuffer() const {
- return mWillAllocate;
+ bool WillAllocateBuffer() const {
+ return mWillAllocate;
}
-
+
/*! @method UseExternalBuffer */
void UseExternalBuffer(const AudioUnitExternalBuffer &buf) {
mIOBuffer.UseExternalBuffer(mStreamFormat, buf);
@@ -392,7 +392,7 @@ public:
/*! @method SetAudioChannelLayout */
virtual OSStatus SetAudioChannelLayout (const AudioChannelLayout &inData);
-
+
/*! @method RemoveAudioChannelLayout */
virtual OSStatus RemoveAudioChannelLayout ();
@@ -416,32 +416,32 @@ protected:
class AUScopeDelegate {
public:
/*! @ctor AUScopeDelegate */
- AUScopeDelegate() : mCreator(NULL), mScope(0) { }
+ AUScopeDelegate() : mCreator(NULL), mScope(0) { }
/*! @dtor ~AUScopeDelegate */
virtual ~AUScopeDelegate() {}
-
+
/*! @method Initialize */
- void Initialize( AUBase *creator,
- AudioUnitScope scope,
+ void Initialize( AUBase *creator,
+ AudioUnitScope scope,
UInt32 numElements)
{
mCreator = creator;
mScope = scope;
SetNumberOfElements(numElements);
}
-
+
/*! @method SetNumberOfElements */
virtual void SetNumberOfElements(UInt32 numElements) = 0;
-
+
/*! @method GetNumberOfElements */
virtual UInt32 GetNumberOfElements() = 0;
-
+
/*! @method GetElement */
virtual AUElement * GetElement(UInt32 elementIndex) = 0;
-
+
AUBase * GetCreator() const { return mCreator; }
AudioUnitScope GetScope() const { return mScope; }
-
+
private:
/*! @var mCreator */
@@ -458,13 +458,13 @@ private:
class AUScope {
public:
/*! @ctor AUScope */
- AUScope() : mCreator(NULL), mScope(0), mDelegate(0) { }
+ AUScope() : mCreator(NULL), mScope(0), mDelegate(0) { }
/*! @dtor ~AUScope */
~AUScope();
-
+
/*! @method Initialize */
- void Initialize(AUBase *creator,
- AudioUnitScope scope,
+ void Initialize(AUBase *creator,
+ AudioUnitScope scope,
UInt32 numElements)
{
mCreator = creator;
@@ -472,22 +472,22 @@ public:
if (mDelegate)
return mDelegate->Initialize(creator, scope, numElements);
-
+
SetNumberOfElements(numElements);
}
-
+
/*! @method SetNumberOfElements */
void SetNumberOfElements(UInt32 numElements);
-
+
/*! @method GetNumberOfElements */
- UInt32 GetNumberOfElements() const
+ UInt32 GetNumberOfElements() const
{
if (mDelegate)
return mDelegate->GetNumberOfElements();
-
+
return static_cast<UInt32>(mElements.size());
}
-
+
/*! @method GetElement */
AUElement * GetElement(UInt32 elementIndex) const
{
@@ -498,7 +498,7 @@ public:
// catch passing -1 in as the elementIndex - causes a wrap around
return (i >= mElements.end() || i < mElements.begin()) ? NULL : *i;
}
-
+
/*! @method SafeGetElement */
AUElement * SafeGetElement(UInt32 elementIndex)
{
@@ -507,7 +507,7 @@ public:
COMPONENT_THROW(kAudioUnitErr_InvalidElement);
return element;
}
-
+
/*! @method GetIOElement */
AUIOElement * GetIOElement(UInt32 elementIndex) const
{
@@ -517,15 +517,15 @@ public:
COMPONENT_THROW (kAudioUnitErr_InvalidElement);
return ioel;
}
-
+
/*! @method HasElementWithName */
bool HasElementWithName () const;
-
+
/*! @method AddElementNamesToDict */
void AddElementNamesToDict (CFMutableDictionaryRef & inNameDict);
-
+
bool RestoreElementNames (CFDictionaryRef& inNameDict);
-
+
AudioUnitScope GetScope() const { return mScope; }
void SetDelegate(AUScopeDelegate* inDelegate) { mDelegate = inDelegate; }
@@ -535,7 +535,7 @@ public:
/*! @method RestoreState */
const UInt8 * RestoreState(const UInt8 *state);
-
+
private:
typedef std::vector<AUElement *> ElementVector;
/*! @var mCreator */
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-20 01:29:35 +0000