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Code Issues Projects Releases Wiki Activity

discover all AU parameters, map to ardour internal data, make automationt tracks available (but not functional)

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git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@3046 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2008-02-13 04:34:54 +00:00
parent 64b5e23faa
commit 61672710bf
7 changed files with 886 additions and 13 deletions
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134
libs/appleutility/AUParamInfo.cpp Normal file
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/* Copyright: © Copyright 2005 Apple Computer, Inc. All rights reserved.
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, 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 AppleÕs
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 Computer, 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.
*/
/*=============================================================================
AUParamInfo.cpp
=============================================================================*/
#include "AUParamInfo.h"
#include "CAXException.h"
AUParamInfo::AUParamInfo (AudioUnit inAU,
bool inIncludeExpert,
bool inIncludeReadOnly,
AudioUnitScope inScope,
AudioUnitElement inElement)
: mAU (inAU),
mNumParams (0),
mParamListID(NULL),
mScope (inScope),
mElement (inElement)
{
UInt32 size;
OSStatus result = AudioUnitGetPropertyInfo(mAU, kAudioUnitProperty_ParameterList, inScope, mElement, &size, NULL);
if (size == 0 || result) return;
int nparams = size / sizeof(AudioUnitPropertyID);
mParamListID = new AudioUnitParameterID[nparams];
memset (mParamListID, 0xFF, size);
AudioUnitParameterID *paramList = new AudioUnitParameterID[nparams];
result = AudioUnitGetProperty(mAU, kAudioUnitProperty_ParameterList, mScope, mElement, paramList, &size);
if (result) {
delete [] mParamListID;
delete [] paramList;
mParamListID = NULL;
return;
}
ParameterMap params;
for (int i = 0; i < nparams; ++i)
{
CAAUParameter auvp (mAU, paramList[i], mScope, mElement); // took out only using global scope in CAAUParameter creation
const AudioUnitParameterInfo &paramInfo = auvp.ParamInfo();
// don't include if parameter can't be read or written
if (!(paramInfo.flags & kAudioUnitParameterFlag_IsWritable)
&& !(paramInfo.flags & kAudioUnitParameterFlag_IsReadable))
continue;
// only include if expert params wanted
if (!inIncludeExpert && auvp.IsExpert())
continue;
// only include if read only params are wanted
if (!(paramInfo.flags & kAudioUnitParameterFlag_IsWritable)
&& (paramInfo.flags & kAudioUnitParameterFlag_IsReadable))
{
if (!inIncludeReadOnly)
continue;
}
mParamListID[mNumParams] = paramList[i];
mNumParams++;
// ok - if we're here, then we have a parameter we are going to display.
UInt32 clump = 0;
auvp.GetClumpID (clump);
mParams[clump].push_back (auvp);
}
delete [] paramList;
}
AUParamInfo::~AUParamInfo()
{
delete [] mParamListID;
}
UInt32 AUParamInfo::NumParamsForClump (UInt32 inClump) const
{
ParameterMap::const_iterator it = mParams.find(inClump);
if (it != mParams.end())
return (*it).second.size();
return 0;
}
const CAAUParameter* AUParamInfo::GetParamInfo (AudioUnitParameterID inParamID) const
{
for (ParameterMap::const_iterator it = mParams.begin(); it != mParams.end(); ++it) {
const ParameterList &list = (*it).second;
for (ParameterList::const_iterator iter = list.begin(); iter != list.end(); ++iter) {
if (inParamID == (*iter).mParameterID) {
return &(*iter);
}
}
}
return NULL;
}

107
libs/appleutility/AUParamInfo.h Normal file
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/* Copyright: © Copyright 2005 Apple Computer, Inc. All rights reserved.
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, 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 AppleÕs
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 Computer, 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.
*/
/*=============================================================================
AUParamInfo.h
=============================================================================*/
#include <map>
#include <vector>
#include <AudioUnit/AudioUnit.h>
#include "CAAUParameter.h"
/*
The ParameterMap returned by the Map() method is a map where
- the key is the clumpID
- the value is a ParameterList (vector<CAAUParameter>)
If you have parameters on multiple scopes (or elements within a scope), then you should create one of these
for each scope-element pair
*/
class AUParamInfo {
public:
typedef std::vector <CAAUParameter> ParameterList;
typedef std::map <UInt32, ParameterList, std::less<UInt32> > ParameterMap;
AUParamInfo (AudioUnit inAU,
bool inIncludeExpert,
bool inIncludeReadOnly,
AudioUnitScope inScope = kAudioUnitScope_Global,
AudioUnitElement inElement = 0);
~AUParamInfo();
const ParameterMap& Map () const { return mParams; }
// some convenience methods
UInt32 NumParams () const { return mNumParams; }
AudioUnitParameterID ParamID (UInt32 inIndex) const
{
if (inIndex < mNumParams) return mParamListID[inIndex];
return 0xFFFFFFFF;
}
UInt32 NumClumps () const { return mParams.size(); }
UInt32 NumParamsForClump (UInt32 inClump) const;
// returns NULL if there's no info for the parameter
const CAAUParameter* GetParamInfo (AudioUnitParameterID inParamID) const;
AudioUnitScope GetScope () const { return mScope; }
AudioUnitElement GetElement () const { return mElement; }
private:
AudioUnit mAU;
UInt32 mNumParams;
AudioUnitParameterID * mParamListID;
ParameterMap mParams;
AudioUnitScope mScope;
AudioUnitElement mElement;
// disallow
AUParamInfo () {}
AUParamInfo (const AUParamInfo &c) {}
AUParamInfo& operator= (const AUParamInfo& c) { return *this; }
};

316
libs/appleutility/CAAUParameter.cpp Normal file
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/* Copyright: © Copyright 2005 Apple Computer, Inc. All rights reserved.
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, 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 AppleÕs
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 Computer, 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.
*/
/*=============================================================================
CAAUParameter.cpp
=============================================================================*/
#include "CAAUParameter.h"
CAAUParameter::CAAUParameter()
{
memset(this, 0, sizeof(CAAUParameter));
}
CAAUParameter::CAAUParameter(AudioUnit au, AudioUnitParameterID param, AudioUnitScope scope, AudioUnitElement element)
{
memset(this, 0, sizeof(CAAUParameter));
Init (au, param, scope, element);
}
CAAUParameter::CAAUParameter (AudioUnitParameter &inParam)
{
memset(this, 0, sizeof(CAAUParameter));
Init (inParam.mAudioUnit, inParam.mParameterID, inParam.mScope, inParam.mElement);
}
CAAUParameter::CAAUParameter(const CAAUParameter &a)
{
memset(this, 0, sizeof(CAAUParameter));
*this = a;
}
CAAUParameter & CAAUParameter::operator = (const CAAUParameter &a)
{
if (mParamName) CFRelease(mParamName);
if (mParamTag) CFRelease(mParamTag);
if (mNamedParams) CFRelease(mNamedParams);
memcpy(this, &a, sizeof(CAAUParameter));
if (mParamName) CFRetain(mParamName);
if (mParamTag) CFRetain(mParamTag);
if (mNamedParams) CFRetain(mNamedParams);
return *this;
}
CAAUParameter::~CAAUParameter()
{
if (mParamName) CFRelease(mParamName);
if (mParamTag) CFRelease(mParamTag);
if (mNamedParams) CFRelease (mNamedParams);
}
void CAAUParameter::Init (AudioUnit au, AudioUnitParameterID param, AudioUnitScope scope, AudioUnitElement element)
{
mAudioUnit = au;
mParameterID = param;
mScope = scope;
mElement = element;
UInt32 propertySize = sizeof(mParamInfo);
OSStatus err = AudioUnitGetProperty(au, kAudioUnitProperty_ParameterInfo,
scope, param, &mParamInfo, &propertySize);
if (err)
memset(&mParamInfo, 0, sizeof(mParamInfo));
if (mParamInfo.flags & kAudioUnitParameterFlag_HasCFNameString) {
mParamName = mParamInfo.cfNameString;
if (!(mParamInfo.flags & kAudioUnitParameterFlag_CFNameRelease))
CFRetain (mParamName);
} else
mParamName = CFStringCreateWithCString(NULL, mParamInfo.name, kCFStringEncodingUTF8);
char* str = 0;
switch (mParamInfo.unit)
{
case kAudioUnitParameterUnit_Boolean:
str = "T/F";
break;
case kAudioUnitParameterUnit_Percent:
case kAudioUnitParameterUnit_EqualPowerCrossfade:
str = "%";
break;
case kAudioUnitParameterUnit_Seconds:
str = "Secs";
break;
case kAudioUnitParameterUnit_SampleFrames:
str = "Samps";
break;
case kAudioUnitParameterUnit_Phase:
case kAudioUnitParameterUnit_Degrees:
str = "Degr.";
break;
case kAudioUnitParameterUnit_Hertz:
str = "Hz";
break;
case kAudioUnitParameterUnit_Cents:
case kAudioUnitParameterUnit_AbsoluteCents:
str = "Cents";
break;
case kAudioUnitParameterUnit_RelativeSemiTones:
str = "S-T";
break;
case kAudioUnitParameterUnit_MIDINoteNumber:
case kAudioUnitParameterUnit_MIDIController:
str = "MIDI";
//these are inclusive, so add one value here
mNumIndexedParams = short(mParamInfo.maxValue+1 - mParamInfo.minValue);
break;
case kAudioUnitParameterUnit_Decibels:
str = "dB";
break;
case kAudioUnitParameterUnit_MixerFaderCurve1:
case kAudioUnitParameterUnit_LinearGain:
str = "Gain";
break;
case kAudioUnitParameterUnit_Pan:
str = "L/R";
break;
case kAudioUnitParameterUnit_Meters:
str = "Mtrs";
break;
case kAudioUnitParameterUnit_Octaves:
str = "8ve";
break;
case kAudioUnitParameterUnit_BPM:
str = "BPM";
break;
case kAudioUnitParameterUnit_Beats:
str = "Beats";
break;
case kAudioUnitParameterUnit_Milliseconds:
str = "msecs";
break;
case kAudioUnitParameterUnit_Ratio:
str = "ratio";
break;
case kAudioUnitParameterUnit_Indexed:
{
propertySize = sizeof(mNamedParams);
err = AudioUnitGetProperty (au,
kAudioUnitProperty_ParameterValueStrings,
scope,
param,
&mNamedParams,
&propertySize);
if (!err && mNamedParams) {
mNumIndexedParams = CFArrayGetCount(mNamedParams);
} else {
//these are inclusive, so add one value here
mNumIndexedParams = short(mParamInfo.maxValue+1 - mParamInfo.minValue);
}
str = NULL;
}
break;
case kAudioUnitParameterUnit_CustomUnit:
{
CFStringRef unitName = mParamInfo.unitName;
static char paramStr[256];
CFStringGetCString (unitName, paramStr, 256, kCFStringEncodingUTF8);
if (mParamInfo.flags & kAudioUnitParameterFlag_CFNameRelease)
CFRelease (unitName);
str = paramStr;
break;
}
case kAudioUnitParameterUnit_Generic:
case kAudioUnitParameterUnit_Rate:
default:
str = NULL;
break;
}
if (str)
mParamTag = CFStringCreateWithCString(NULL, str, kCFStringEncodingUTF8);
else
mParamTag = NULL;
}
Float32 CAAUParameter::GetValue() const
{
Float32 value = 0.;
//OSStatus err =
AudioUnitGetParameter(mAudioUnit, mParameterID, mScope, mElement, &value);
return value;
}
CFStringRef CAAUParameter::GetStringFromValueCopy(const Float32 *value) const
{
if (HasNamedParams())
{
Float32 val = (value == NULL ? GetValue() : *value);
int index = int(mParamInfo.minValue) + int(val);
CFStringRef str = GetParamName (index);
if (str) {
CFRetain (str);
return str;
}
}
else if (ValuesHaveStrings())
{
AudioUnitParameterStringFromValue stringValue;
stringValue.inParamID = mParameterID;
stringValue.inValue = value;
stringValue.outString = NULL;
UInt32 propertySize = sizeof(stringValue);
OSStatus err = AudioUnitGetProperty (mAudioUnit,
kAudioUnitProperty_ParameterStringFromValue,
mScope,
mParameterID,
&stringValue,
&propertySize);
if (err == noErr && stringValue.outString != NULL)
return stringValue.outString;
}
Float32 val = (value == NULL ? GetValue() : *value);
char valstr[32];
AUParameterFormatValue (val, this, valstr, 4);
return CFStringCreateWithCString(NULL, valstr, kCFStringEncodingUTF8);
}
Float32 CAAUParameter::GetValueFromString(CFStringRef str) const
{
if (ValuesHaveStrings())
{
AudioUnitParameterValueFromString valueString;
valueString.inParamID = mParameterID;
valueString.inString = str;
UInt32 propertySize = sizeof(valueString);
OSStatus err = AudioUnitGetProperty (mAudioUnit,
kAudioUnitProperty_ParameterValueFromString,
mScope,
mParameterID,
&valueString,
&propertySize);
if (err == noErr) {
return valueString.outValue;
}
}
Float32 paramValue = mParamInfo.defaultValue;
char valstr[32];
CFStringGetCString(str, valstr, sizeof(valstr), kCFStringEncodingUTF8);
sscanf(valstr, "%f", &paramValue);
return paramValue;
}
void CAAUParameter::SetValue( AUParameterListenerRef inListener,
void * inObject,
Float32 inValue) const
{
// clip inValue as: maxValue >= inValue >= minValue before setting
Float32 valueToSet = inValue;
if (valueToSet > mParamInfo.maxValue)
valueToSet = mParamInfo.maxValue;
if (valueToSet < mParamInfo.minValue)
valueToSet = mParamInfo.minValue;
AUParameterSet(inListener, inObject, this, valueToSet, 0);
}
#if DEBUG
void CAAUParameter::Print() const
{
UInt32 clump = 0;
GetClumpID (clump);
UInt32 len = CFStringGetLength(mParamName);
char* chars = (char*)malloc (len * 2); // give us plenty of room for unichar chars
if (!CFStringGetCString (mParamName, chars, len * 2, kCFStringEncodingUTF8))
chars[0] = 0;
printf ("ID: %ld, Clump: %ld, Name: %s\n", mParameterID, clump, chars);
free (chars);
}
#endif

187
libs/appleutility/CAAUParameter.h Normal file
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@ -0,0 +1,187 @@
/* Copyright: © Copyright 2005 Apple Computer, Inc. All rights reserved.
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, 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 AppleÕs
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 Computer, 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.
*/
/*=============================================================================
CAAUParameter.h
=============================================================================*/
#ifndef __CAAUParameter_h__
#define __CAAUParameter_h__
#include <AudioToolbox/AudioUnitUtilities.h>
// ____________________________________________________________________________
// CAAUParameter
// complete parameter specification
/*! @class CAAUParameter */
class CAAUParameter : public AudioUnitParameter {
public:
/*! @ctor CAAUParameter.0 */
CAAUParameter();
/*! @ctor CAAUParameter.1 */
CAAUParameter(AudioUnit au, AudioUnitParameterID param, AudioUnitScope scope, AudioUnitElement element);
/*! @ctor CAAUParameter.2 */
CAAUParameter(AudioUnitParameter &inParam);
/*! @ctor CAAUParameter.3 */
CAAUParameter(const CAAUParameter &a);
/*! @dtor ~CAAUParameter */
~CAAUParameter();
/*! @method operator <@ */
bool operator < (const CAAUParameter &a) const
{
return memcmp(this, &a, sizeof(AudioUnitParameter)) < 0;
}
/*! @method operator ==@ */
bool operator == (const CAAUParameter &a) const
{
return !memcmp(this, &a, sizeof(AudioUnitParameter));
}
/*! @method operator =@ */
CAAUParameter & operator = (const CAAUParameter &a);
/*! @method GetValue */
Float32 GetValue() const;
/*! @method SetValue */
void SetValue( AUParameterListenerRef inListener,
void * inObject,
Float32 inValue) const;
/*! @method GetName */
CFStringRef GetName() const { return mParamName; }
// borrowed reference!
/*! @method GetStringFromValueCopy */
CFStringRef GetStringFromValueCopy(const Float32 *value = NULL) const;
// returns a copy of the name of the current parameter value
// or null if there is no name associated
// caller must release
/*! @method ValuesHaveStrings */
bool ValuesHaveStrings () const
{
return (mParamInfo.flags & kAudioUnitParameterFlag_ValuesHaveStrings) != 0;
}
/*! @method GetValueFromString */
Float32 GetValueFromString (CFStringRef str) const;
// caller must release
/*! @method ParamInfo */
const AudioUnitParameterInfo &
ParamInfo() const { return mParamInfo; }
/*! @method GetParamTag */
CFStringRef GetParamTag() const { return mParamTag; }
// this may return null! -
// in which case there is no descriptive tag for the parameter
/*! @method GetParamName */
CFStringRef GetParamName (int inIndex) const
// this can return null if there is no name for the parameter
{
return (mNamedParams && inIndex < mNumIndexedParams)
? (CFStringRef) CFArrayGetValueAtIndex(mNamedParams, inIndex)
: 0;
}
/*! @method GetNumIndexedParams */
int GetNumIndexedParams () const { return mNumIndexedParams; }
/*! @method IsIndexedParam */
bool IsIndexedParam () const { return mNumIndexedParams != 0; }
/*! @method HasNamedParams */
bool HasNamedParams () const { return IsIndexedParam() && mNamedParams; }
/*! @method GetClumpID */
bool GetClumpID (UInt32 &outClumpID) const
{
if (mParamInfo.flags & kAudioUnitParameterFlag_HasClump) {
outClumpID = mParamInfo.clumpID;
return true;
}
return false;
}
/*! @method HasDisplayTransformation */
bool HasDisplayTransformation () const
{
return GetAudioUnitParameterDisplayType (mParamInfo.flags);
}
/*! @method IsExpert */
bool IsExpert () const
{
return mParamInfo.flags & kAudioUnitParameterFlag_ExpertMode;
}
#if DEBUG
void Print () const;
#endif
// these methods are defined in CAPersistence.cpp
// they will persist and restore only the scope, element and param ID's of the AudioUnitParameter
// however, this is sufficient to be able to save/restore a CAAUParameter object
void Save (CFPropertyListRef &outData) const;
static void Save (const AudioUnitParameter &inParam, CFPropertyListRef &outData);
static OSStatus Restore (const CFPropertyListRef inData, AudioUnitParameter &outParam);
protected:
// cached parameter info
/*! @var mParamInfo */
AudioUnitParameterInfo mParamInfo;
/*! @var mParamName */
CFStringRef mParamName;
/*! @var mParamTag */
CFStringRef mParamTag;
/*! @var mNumIndexedParams */
short mNumIndexedParams;
/*! @var mNamedParams */
CFArrayRef mNamedParams;
private:
void Init (AudioUnit au, AudioUnitParameterID param, AudioUnitScope scope, AudioUnitElement element);
};
#endif // __CAAUParameter_h__

12
libs/ardour/ardour/audio_unit.h
View file

@ -32,6 +32,7 @@
#include <ardour/plugin.h>
#include <AudioUnit/AudioUnit.h>
#include <appleutility/AUParamInfo.h>
#include <boost/shared_ptr.hpp>
@ -45,6 +46,14 @@ namespace ARDOUR {
class AudioEngine;
class Session;
struct AUParameterDescriptor : public Plugin::ParameterDescriptor {
// additional fields to make operations more efficient
AudioUnitParameterID id;
AudioUnitScope scope;
AudioUnitElement element;
float default_value;
};
class AUPlugin : public ARDOUR::Plugin
{
public:
@ -104,6 +113,7 @@ class AUPlugin : public ARDOUR::Plugin
private:
boost::shared_ptr<CAComponent> comp;
boost::shared_ptr<CAAudioUnit> unit;
AUParamInfo* param_info;
AudioStreamBasicDescription streamFormat;
bool initialized;
@ -125,6 +135,8 @@ class AUPlugin : public ARDOUR::Plugin
nframes_t cb_offset;
vector<Sample*>* current_buffers;
nframes_t frames_processed;
std::vector<AUParameterDescriptor> descriptors;
};
typedef boost::shared_ptr<AUPlugin> AUPluginPtr;

137
libs/ardour/audio_unit.cc
View file

@ -32,6 +32,7 @@
#include <ardour/utils.h>
#include <appleutility/CAAudioUnit.h>
#include <appleutility/CAAUParameter.h>
#include <CoreServices/CoreServices.h>
#include <AudioUnit/AudioUnit.h>
@ -58,6 +59,7 @@ AUPlugin::AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr<CAC
Plugin (engine, session),
comp (_comp),
unit (new CAAudioUnit),
param_info (0),
initialized (false),
buffers (0),
current_maxbuf (0),
@ -83,6 +85,7 @@ AUPlugin::AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr<CAC
throw failed_constructor();
}
unit->GetElementCount (kAudioUnitScope_Global, global_elements);
unit->GetElementCount (kAudioUnitScope_Input, input_elements);
unit->GetElementCount (kAudioUnitScope_Output, output_elements);
@ -106,6 +109,100 @@ AUPlugin::AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr<CAC
error << _("AUPlugin: cannot set processing block size") << endmsg;
throw failed_constructor();
}
/* discover writable parameters */
cerr << "get param info, there are " << global_elements << " global elements\n";
param_info = new AUParamInfo (unit->AU(), false, false, kAudioUnitScope_Global);
cerr << "discovered " << param_info->NumParams() << " parameters\n";
for (uint32_t i = 0; i < param_info->NumParams(); ++i) {
AUParameterDescriptor d;
d.id = param_info->ParamID (i);
const CAAUParameter* param = param_info->GetParamInfo (d.id);
const AudioUnitParameterInfo& info (param->ParamInfo());
d.scope = param_info->GetScope ();
d.element = param_info->GetElement ();
/* info.units to consider */
/*
kAudioUnitParameterUnit_Generic = 0
kAudioUnitParameterUnit_Indexed = 1
kAudioUnitParameterUnit_Boolean = 2
kAudioUnitParameterUnit_Percent = 3
kAudioUnitParameterUnit_Seconds = 4
kAudioUnitParameterUnit_SampleFrames = 5
kAudioUnitParameterUnit_Phase = 6
kAudioUnitParameterUnit_Rate = 7
kAudioUnitParameterUnit_Hertz = 8
kAudioUnitParameterUnit_Cents = 9
kAudioUnitParameterUnit_RelativeSemiTones = 10
kAudioUnitParameterUnit_MIDINoteNumber = 11
kAudioUnitParameterUnit_MIDIController = 12
kAudioUnitParameterUnit_Decibels = 13
kAudioUnitParameterUnit_LinearGain = 14
kAudioUnitParameterUnit_Degrees = 15
kAudioUnitParameterUnit_EqualPowerCrossfade = 16
kAudioUnitParameterUnit_MixerFaderCurve1 = 17
kAudioUnitParameterUnit_Pan = 18
kAudioUnitParameterUnit_Meters = 19
kAudioUnitParameterUnit_AbsoluteCents = 20
kAudioUnitParameterUnit_Octaves = 21
kAudioUnitParameterUnit_BPM = 22
kAudioUnitParameterUnit_Beats = 23
kAudioUnitParameterUnit_Milliseconds = 24
kAudioUnitParameterUnit_Ratio = 25
*/
/* info.flags to consider */
/*
kAudioUnitParameterFlag_CFNameRelease = (1L << 4)
kAudioUnitParameterFlag_HasClump = (1L << 20)
kAudioUnitParameterFlag_HasName = (1L << 21)
kAudioUnitParameterFlag_DisplayLogarithmic = (1L << 22)
kAudioUnitParameterFlag_IsHighResolution = (1L << 23)
kAudioUnitParameterFlag_NonRealTime = (1L << 24)
kAudioUnitParameterFlag_CanRamp = (1L << 25)
kAudioUnitParameterFlag_ExpertMode = (1L << 26)
kAudioUnitParameterFlag_HasCFNameString = (1L << 27)
kAudioUnitParameterFlag_IsGlobalMeta = (1L << 28)
kAudioUnitParameterFlag_IsElementMeta = (1L << 29)
kAudioUnitParameterFlag_IsReadable = (1L << 30)
kAudioUnitParameterFlag_IsWritable = (1L << 31)
*/
d.integer_step = false;
d.toggled = false;
d.logarithmic = false;
d.sr_dependent = false;
const int len = CFStringGetLength (param->GetName());;
char local_buffer[len*2];
Boolean good = CFStringGetCString(param->GetName(),local_buffer,len*2,kCFStringEncodingMacRoman);
if (!good) {
d.label = "???";
} else {
d.label = local_buffer;
}
d.lower = info.minValue;
d.upper = info.maxValue;
d.default_value = info.defaultValue;
d.step = 1.0;
d.smallstep = 0.1;
d.largestep = 10.0;
d.min_unbound = d.lower;
d.max_unbound = d.upper;
descriptors.push_back (d);
}
}
AUPlugin::~AUPlugin ()
@ -114,6 +211,10 @@ AUPlugin::~AUPlugin ()
unit->Uninitialize ();
}
if (param_info) {
delete param_info;
}
if (buffers) {
free (buffers);
}
@ -134,13 +235,16 @@ AUPlugin::label () const
uint32_t
AUPlugin::parameter_count () const
{
return 0;
return param_info->NumParams ();
}
float
AUPlugin::default_value (uint32_t port)
{
// AudioUnits don't have default values. Maybe presets though?
if (port < descriptors.size()) {
return descriptors[port].default_value;
}
return 0;
}
@ -153,7 +257,7 @@ AUPlugin::latency () const
void
AUPlugin::set_parameter (uint32_t which, float val)
{
// unit->SetParameter (parameter_map[which].first, parameter_map[which].second, 0, val);
// unit->SetParameter (id, 0, val);
}
float
@ -167,14 +271,23 @@ AUPlugin::get_parameter (uint32_t which) const
}
int
AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const
AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& pd) const
{
return 0;
if (which < descriptors.size()) {
pd = descriptors[which];
return 0;
}
return -1;
}
uint32_t
AUPlugin::nth_parameter (uint32_t which, bool& ok) const
{
if (which < descriptors.size()) {
ok = true;
return which;
}
ok = false;
return 0;
}
@ -394,19 +507,23 @@ AUPlugin::automatable() const
{
set<uint32_t> automates;
for (uint32_t i = 0; i < descriptors.size(); ++i) {
automates.insert (i);
}
return automates;
}
string
AUPlugin::describe_parameter (uint32_t)
AUPlugin::describe_parameter (uint32_t param)
{
return "";
return descriptors[param].label;
}
void
AUPlugin::print_parameter (uint32_t, char*, uint32_t len) const
AUPlugin::print_parameter (uint32_t param, char* buf, uint32_t len) const
{
// NameValue stuff here
}
bool
@ -418,7 +535,7 @@ AUPlugin::parameter_is_audio (uint32_t) const
bool
AUPlugin::parameter_is_control (uint32_t) const
{
return false;
return true;
}
bool

2
svn_revision.h
View file

@ -1,4 +1,4 @@
#ifndef __ardour_svn_revision_h__
#define __ardour_svn_revision_h__
static const char* ardour_svn_revision = "3029";
static const char* ardour_svn_revision = "3045";
#endif