Jamoma API  0.6.0.a19
CAHALAudioObject.h
1 /* Copyright © 2007 Apple Inc. All Rights Reserved.
2 
3  Disclaimer: IMPORTANT: This Apple software is supplied to you by
4  Apple Inc. ("Apple") in consideration of your agreement to the
5  following terms, and your use, installation, modification or
6  redistribution of this Apple software constitutes acceptance of these
7  terms. If you do not agree with these terms, please do not use,
8  install, modify or redistribute this Apple software.
9 
10  In consideration of your agreement to abide by the following terms, and
11  subject to these terms, Apple grants you a personal, non-exclusive
12  license, under Apple's copyrights in this original Apple software (the
13  "Apple Software"), to use, reproduce, modify and redistribute the Apple
14  Software, with or without modifications, in source and/or binary forms;
15  provided that if you redistribute the Apple Software in its entirety and
16  without modifications, you must retain this notice and the following
17  text and disclaimers in all such redistributions of the Apple Software.
18  Neither the name, trademarks, service marks or logos of Apple Inc.
19  may be used to endorse or promote products derived from the Apple
20  Software without specific prior written permission from Apple. Except
21  as expressly stated in this notice, no other rights or licenses, express
22  or implied, are granted by Apple herein, including but not limited to
23  any patent rights that may be infringed by your derivative works or by
24  other works in which the Apple Software may be incorporated.
25 
26  The Apple Software is provided by Apple on an "AS IS" basis. APPLE
27  MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
28  THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
29  FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
30  OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
31 
32  IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
33  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35  INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
36  MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
37  AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
38  STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
39  POSSIBILITY OF SUCH DAMAGE.
40 */
41 #if !defined(__CAHALAudioObject_h__)
42 #define __CAHALAudioObject_h__
43 
44 //==================================================================================================
45 // Includes
46 //==================================================================================================
47 
48 // PublicUtility Includes
49 #include "CADebugMacros.h"
50 
51 // System Includes
52 #if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
53  #include <CoreAudio/CoreAudio.h>
54  #include <CoreFoundation/CoreFoundation.h>
55 #else
56  #include <CoreAudio.h>
57  #include <CoreFoundation.h>
58 #endif
59 
60 //==================================================================================================
61 // CAHALAudioObject
62 //==================================================================================================
63 
64 class CAHALAudioObject
65 {
66 
67 // Construction/Destruction
68 public:
69  CAHALAudioObject(AudioObjectID inObjectID);
70  virtual ~CAHALAudioObject();
71 
72 // Attributes
73 public:
74  AudioObjectID GetObjectID() const;
75  void SetObjectID(AudioObjectID inObjectID);
76  AudioClassID GetClassID() const;
77  AudioObjectID GetOwnerObjectID() const;
78  CFStringRef CopyOwningPlugInBundleID() const;
79  CFStringRef CopyName() const;
80  CFStringRef CopyManufacturer() const;
81  CFStringRef CopyNameForElement(AudioObjectPropertyScope inScope, AudioObjectPropertyElement inElement) const;
82  CFStringRef CopyCategoryNameForElement(AudioObjectPropertyScope inScope, AudioObjectPropertyElement inElement) const;
83  CFStringRef CopyNumberNameForElement(AudioObjectPropertyScope inScope, AudioObjectPropertyElement inElement) const;
84 
85 // Owned Objects
86 public:
87  UInt32 GetNumberOwnedObjects(AudioClassID inClass) const;
88  void GetAllOwnedObjects(AudioClassID inClass, UInt32& ioNumberObjects, AudioObjectID* ioObjectIDs) const;
89  AudioObjectID GetOwnedObjectByIndex(AudioClassID inClass, UInt32 inIndex);
90 
91 // Property Operations
92 public:
93  bool HasProperty(const AudioObjectPropertyAddress& inAddress) const;
94  bool IsPropertySettable(const AudioObjectPropertyAddress& inAddress) const;
95  UInt32 GetPropertyDataSize(const AudioObjectPropertyAddress& inAddress, UInt32 inQualifierDataSize, const void* inQualifierData) const;
96 
97  void GetPropertyData(const AudioObjectPropertyAddress& inAddress, UInt32 inQualifierDataSize, const void* inQualifierData, UInt32& ioDataSize, void* outData) const;
98  void SetPropertyData(const AudioObjectPropertyAddress& inAddress, UInt32 inQualifierDataSize, const void* inQualifierData, UInt32 inDataSize, const void* inData);
99 
100  UInt32 GetPropertyData_UInt32(const AudioObjectPropertyAddress& inAddress, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) const { UInt32 theAnswer = 0; UInt32 theDataSize = SizeOf32(UInt32); GetPropertyData(inAddress, inQualifierDataSize, inQualifierData, theDataSize, &theAnswer); return theAnswer; }
101  void SetPropertyData_UInt32(const AudioObjectPropertyAddress& inAddress, UInt32 inValue, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) { SetPropertyData(inAddress, inQualifierDataSize, inQualifierData, SizeOf32(UInt32), &inValue); }
102 
103  Float32 GetPropertyData_Float32(const AudioObjectPropertyAddress& inAddress, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) const { Float32 theAnswer = 0; UInt32 theDataSize = SizeOf32(Float32); GetPropertyData(inAddress, inQualifierDataSize, inQualifierData, theDataSize, &theAnswer); return theAnswer; }
104  void SetPropertyData_Float32(const AudioObjectPropertyAddress& inAddress, Float32 inValue, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) { SetPropertyData(inAddress, inQualifierDataSize, inQualifierData, SizeOf32(Float32), &inValue); }
105 
106  Float64 GetPropertyData_Float64(const AudioObjectPropertyAddress& inAddress, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) const { Float64 theAnswer = 0; UInt32 theDataSize = SizeOf32(Float64); GetPropertyData(inAddress, inQualifierDataSize, inQualifierData, theDataSize, &theAnswer); return theAnswer; }
107  void SetPropertyData_Float64(const AudioObjectPropertyAddress& inAddress, Float64 inValue, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) { SetPropertyData(inAddress, inQualifierDataSize, inQualifierData, SizeOf32(Float64), &inValue); }
108 
109  CFTypeRef GetPropertyData_CFType(const AudioObjectPropertyAddress& inAddress, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) const { CFTypeRef theAnswer = NULL; UInt32 theDataSize = SizeOf32(CFTypeRef); GetPropertyData(inAddress, inQualifierDataSize, inQualifierData, theDataSize, &theAnswer); return theAnswer; }
110  void SetPropertyData_CFType(const AudioObjectPropertyAddress& inAddress, UInt32 inValue, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) { SetPropertyData(inAddress, inQualifierDataSize, inQualifierData, SizeOf32(CFTypeRef), &inValue); }
111 
112  CFStringRef GetPropertyData_CFString(const AudioObjectPropertyAddress& inAddress, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) const { CFStringRef theAnswer = NULL; UInt32 theDataSize = SizeOf32(CFStringRef); GetPropertyData(inAddress, inQualifierDataSize, inQualifierData, theDataSize, &theAnswer); return theAnswer; }
113  void SetPropertyData_CFString(const AudioObjectPropertyAddress& inAddress, UInt32 inValue, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) { SetPropertyData(inAddress, inQualifierDataSize, inQualifierData, SizeOf32(CFStringRef), &inValue); }
114 
115  template <class T> void GetPropertyData_Struct(const AudioObjectPropertyAddress& inAddress, T& outStruct, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) const { UInt32 theDataSize = SizeOf32(T); GetPropertyData(inAddress, inQualifierDataSize, inQualifierData, theDataSize, &outStruct); }
116  template <class T> void SetPropertyData_Struct(const AudioObjectPropertyAddress& inAddress, T& inStruct, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) { SetPropertyData(inAddress, inQualifierDataSize, inQualifierData, SizeOf32(T), &inStruct); }
117 
118  template <class T> UInt32 GetPropertyData_ArraySize(const AudioObjectPropertyAddress& inAddress, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) const { return GetPropertyDataSize(inAddress, inQualifierDataSize, inQualifierData) / SizeOf32(T); }
119  template <class T> void GetPropertyData_Array(const AudioObjectPropertyAddress& inAddress, UInt32& ioNumberItems, T* outArray, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) const { UInt32 theDataSize = ioNumberItems * SizeOf32(T); GetPropertyData(inAddress, inQualifierDataSize, inQualifierData, theDataSize, outArray); ioNumberItems = theDataSize / SizeOf32(T); }
120  template <class T> void SetPropertyData_Array(const AudioObjectPropertyAddress& inAddress, UInt32 inNumberItems, T* inArray, UInt32 inQualifierDataSize = 0, const void* inQualifierData = NULL) { SetPropertyData(inAddress, inQualifierDataSize, inQualifierData, inNumberItems * SizeOf32(T), inArray); }
121 
122  void AddPropertyListener(const AudioObjectPropertyAddress& inAddress, AudioObjectPropertyListenerProc inListenerProc, void* inClientData);
123  void RemovePropertyListener(const AudioObjectPropertyAddress& inAddress, AudioObjectPropertyListenerProc inListenerProc, void* inClientData);
124 
125 // Implementation
126 protected:
127  AudioObjectID mObjectID;
128 
129 };
130 
131 #endif