diff options
Diffstat (limited to 'libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/ComponentBase.h')
| -rw-r--r-- | libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/ComponentBase.h | 68 |
1 files changed, 34 insertions, 34 deletions
diff --git a/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/ComponentBase.h b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/ComponentBase.h index 67417aa9d1..f8c5511f16 100644 --- a/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/ComponentBase.h +++ b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/ComponentBase.h @@ -2,14 +2,14 @@ File: ComponentBase.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 __ComponentBase_h__ #define __ComponentBase_h__ @@ -57,7 +57,7 @@ #if !CA_USE_AUDIO_PLUGIN_ONLY #include <CoreServices/../Frameworks/CarbonCore.framework/Headers/Components.h> - + #if (MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_5) #define AudioComponentInstance ComponentInstance #define AudioComponentDescription ComponentDescription @@ -115,13 +115,13 @@ public: /*! @ctor ComponentBase */ ComponentBase(AudioComponentInstance inInstance); - + /*! @dtor ~ComponentBase */ virtual ~ComponentBase(); - + /*! @method PostConstructor */ virtual void PostConstructor(); - + /*! @method PreDestructor */ virtual void PreDestructor(); @@ -135,14 +135,14 @@ public: /*! GetSelectorForCanDo */ static SInt16 GetSelectorForCanDo(ComponentParameters *params); #endif - + /*! @method GetComponentInstance */ AudioComponentInstance GetComponentInstance() const { return mComponentInstance; } /*! @method GetComponentDescription */ AudioComponentDescription GetComponentDescription() const; - // This global variable is so that new instances know how they were instantiated: via the Component Manager, + // This global variable is so that new instances know how they were instantiated: via the Component Manager, // or as AudioComponents. It's ugly, but preferable to altering the constructor of every class in the hierarchy. // It's safe because construction is protected by ComponentInitLocker. enum EInstanceType { kComponentMgrInstance, kAudioComponentInstance }; @@ -158,27 +158,27 @@ public: /*! @method AP_Close */ static OSStatus AP_Close(void *self); - + protected: /*! @var mComponentInstance */ AudioComponentInstance mComponentInstance; EInstanceType mInstanceType; }; -class ComponentInitLocker +class ComponentInitLocker { #if TARGET_OS_MAC public: - ComponentInitLocker() - { + ComponentInitLocker() + { pthread_once(&sOnce, InitComponentInitLocker); - pthread_mutex_lock(&sComponentOpenMutex); + pthread_mutex_lock(&sComponentOpenMutex); mPreviousNewInstanceType = ComponentBase::sNewInstanceType; } - ~ComponentInitLocker() - { + ~ComponentInitLocker() + { ComponentBase::sNewInstanceType = mPreviousNewInstanceType; - pthread_mutex_unlock(&sComponentOpenMutex); + pthread_mutex_unlock(&sComponentOpenMutex); } // There are situations (11844772) where we need to be able to release the lock early. @@ -190,7 +190,7 @@ public: } ~Unlocker() { - pthread_mutex_lock(&sComponentOpenMutex); + pthread_mutex_lock(&sComponentOpenMutex); } }; @@ -198,7 +198,7 @@ private: static pthread_mutex_t sComponentOpenMutex; static pthread_once_t sOnce; static void InitComponentInitLocker(); - + #elif TARGET_OS_WIN32 public: bool sNeedsUnlocking; @@ -207,12 +207,12 @@ public: private: static CAGuard sComponentOpenGuard; #endif - + private: ComponentBase::EInstanceType mPreviousNewInstanceType; }; -/*! @class AudioComponentPlugInInstance */ +/*! @class AudioComponentPlugInInstance */ struct AudioComponentPlugInInstance { AudioComponentPlugInInterface mPlugInInterface; void * (*mConstruct)(void *memory, AudioComponentInstance ci); @@ -222,7 +222,7 @@ struct AudioComponentPlugInInstance { // this member is just a placeholder. it is aligned to a 16byte boundary }; -/*! @class APFactory */ +/*! @class APFactory */ template <class APMethodLookup, class Implementor> class APFactory { public: @@ -230,7 +230,7 @@ public: { return new(memory) Implementor(compInstance); } - + static void Destruct(void *memory) { ((Implementor *)memory)->~Implementor(); @@ -240,7 +240,7 @@ public: // The actual implementation object is not created until Open(). static AudioComponentPlugInInterface *Factory(const AudioComponentDescription * /* inDesc */) { - AudioComponentPlugInInstance *acpi = + AudioComponentPlugInInstance *acpi = (AudioComponentPlugInInstance *)malloc( offsetof(AudioComponentPlugInInstance, mInstanceStorage) + sizeof(Implementor) ); acpi->mPlugInInterface.Open = ComponentBase::AP_Open; acpi->mPlugInInterface.Close = ComponentBase::AP_Close; @@ -252,17 +252,17 @@ public: acpi->mPad[1] = NULL; return (AudioComponentPlugInInterface*)acpi; } - + // This is for runtime registration (not for plug-ins loaded from bundles). static AudioComponent Register(UInt32 type, UInt32 subtype, UInt32 manuf, CFStringRef name, UInt32 vers, UInt32 flags=0) { AudioComponentDescription desc = { type, subtype, manuf, flags, 0 }; - return AudioComponentRegister(&desc, name, vers, Factory); + return AudioComponentRegister(&desc, name, vers, Factory); } }; #if !CA_USE_AUDIO_PLUGIN_ONLY -/*! @class ComponentEntryPoint +/*! @class ComponentEntryPoint * @discussion This is only used for a component manager version */ template <class Class> @@ -272,7 +272,7 @@ public: static OSStatus Dispatch(ComponentParameters *params, Class *obj) { OSStatus result = noErr; - + try { if (params->what == kComponentOpenSelect) { // solve a host of initialization thread safety issues. @@ -283,16 +283,16 @@ public: Class *This = new Class((AudioComponentInstance)ci); This->PostConstructor(); // allows base class to do additional initialization // once the derived class is fully constructed - + CMgr_SetComponentInstanceStorage(ci, (Handle)This); } else result = Class::ComponentEntryDispatch(params, obj); } COMPONENT_CATCH - + return result; } - + /*! @method Register */ static Component Register(OSType compType, OSType subType, OSType manufacturer) { |