Jamoma API  0.6.0.a19
CAHALAudioStream.cpp
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41 //==================================================================================================
42 // Includes
43 //==================================================================================================
44 
45 // Self Include
46 #include "CAHALAudioStream.h"
47 
48 // PublicUtility Includes
49 #include "CAAutoDisposer.h"
50 #include "CADebugMacros.h"
51 #include "CAException.h"
52 #include "CAPropertyAddress.h"
53 
54 //==================================================================================================
55 // CAHALAudioStream
56 //==================================================================================================
57 
58 CAHALAudioStream::CAHALAudioStream(AudioObjectID inAudioStream)
59 :
60  CAHALAudioObject(inAudioStream)
61 {
62 }
63 
64 CAHALAudioStream::~CAHALAudioStream()
65 {
66 }
67 
68 UInt32 CAHALAudioStream::GetDirection() const
69 {
70  CAPropertyAddress theAddress(kAudioStreamPropertyDirection);
71  return GetPropertyData_UInt32(theAddress, 0, NULL);
72 }
73 
74 UInt32 CAHALAudioStream::GetTerminalType() const
75 {
76  CAPropertyAddress theAddress(kAudioStreamPropertyTerminalType);
77  return GetPropertyData_UInt32(theAddress, 0, NULL);
78 }
79 
80 UInt32 CAHALAudioStream::GetStartingChannel() const
81 {
82  CAPropertyAddress theAddress(kAudioStreamPropertyStartingChannel);
83  return GetPropertyData_UInt32(theAddress, 0, NULL);
84 }
85 
86 UInt32 CAHALAudioStream::GetLatency() const
87 {
88  CAPropertyAddress theAddress(kAudioStreamPropertyLatency);
89  return GetPropertyData_UInt32(theAddress, 0, NULL);
90 }
91 
92 void CAHALAudioStream::GetCurrentVirtualFormat(AudioStreamBasicDescription& outFormat) const
93 {
94  CAPropertyAddress theAddress(kAudioStreamPropertyVirtualFormat);
95  UInt32 theSize = sizeof(AudioStreamBasicDescription);
96  GetPropertyData(theAddress, 0, NULL, theSize, &outFormat);
97 }
98 
99 void CAHALAudioStream::SetCurrentVirtualFormat(const AudioStreamBasicDescription& inFormat)
100 {
101  CAPropertyAddress theAddress(kAudioStreamPropertyVirtualFormat);
102  SetPropertyData(theAddress, 0, NULL, sizeof(AudioStreamBasicDescription), &inFormat);
103 }
104 
105 UInt32 CAHALAudioStream::GetNumberAvailableVirtualFormats() const
106 {
107  CAPropertyAddress theAddress(kAudioStreamPropertyAvailableVirtualFormats);
108  UInt32 theAnswer = GetPropertyDataSize(theAddress, 0, NULL);
109  theAnswer /= sizeof(AudioStreamRangedDescription);
110  return theAnswer;
111 }
112 
113 void CAHALAudioStream::GetAvailableVirtualFormats(UInt32& ioNumberFormats, AudioStreamRangedDescription* outFormats) const
114 {
115  CAPropertyAddress theAddress(kAudioStreamPropertyAvailableVirtualFormats);
116  UInt32 theSize = ioNumberFormats * sizeof(AudioStreamRangedDescription);
117  GetPropertyData(theAddress, 0, NULL, theSize, outFormats);
118  ioNumberFormats = theSize / sizeof(AudioStreamRangedDescription);
119 }
120 
121 void CAHALAudioStream::GetAvailableVirtualFormatByIndex(UInt32 inIndex, AudioStreamRangedDescription& outFormat) const
122 {
123  UInt32 theNumberFormats = GetNumberAvailableVirtualFormats();
124  if((theNumberFormats > 0) && (inIndex < theNumberFormats))
125  {
126  CAAutoArrayDelete<AudioStreamRangedDescription> theFormats(theNumberFormats);
127  GetAvailableVirtualFormats(theNumberFormats, theFormats);
128  if((theNumberFormats > 0) && (inIndex < theNumberFormats))
129  {
130  outFormat = theFormats[inIndex];
131  }
132  }
133 }
134 
135 void CAHALAudioStream::GetCurrentPhysicalFormat(AudioStreamBasicDescription& outFormat) const
136 {
137  CAPropertyAddress theAddress(kAudioStreamPropertyPhysicalFormat);
138  UInt32 theSize = sizeof(AudioStreamBasicDescription);
139  GetPropertyData(theAddress, 0, NULL, theSize, &outFormat);
140 }
141 
142 void CAHALAudioStream::SetCurrentPhysicalFormat(const AudioStreamBasicDescription& inFormat)
143 {
144  CAPropertyAddress theAddress(kAudioStreamPropertyPhysicalFormat);
145  SetPropertyData(theAddress, 0, NULL, sizeof(AudioStreamBasicDescription), &inFormat);
146 }
147 
148 UInt32 CAHALAudioStream::GetNumberAvailablePhysicalFormats() const
149 {
150  CAPropertyAddress theAddress(kAudioStreamPropertyAvailablePhysicalFormats);
151  UInt32 theAnswer = GetPropertyDataSize(theAddress, 0, NULL);
152  theAnswer /= sizeof(AudioStreamRangedDescription);
153  return theAnswer;
154 }
155 
156 void CAHALAudioStream::GetAvailablePhysicalFormats(UInt32& ioNumberFormats, AudioStreamRangedDescription* outFormats) const
157 {
158  CAPropertyAddress theAddress(kAudioStreamPropertyAvailablePhysicalFormats);
159  UInt32 theSize = ioNumberFormats * sizeof(AudioStreamRangedDescription);
160  GetPropertyData(theAddress, 0, NULL, theSize, outFormats);
161  ioNumberFormats = theSize / sizeof(AudioStreamRangedDescription);
162 }
163 
164 void CAHALAudioStream::GetAvailablePhysicalFormatByIndex(UInt32 inIndex, AudioStreamRangedDescription& outFormat) const
165 {
166  UInt32 theNumberFormats = GetNumberAvailablePhysicalFormats();
167  if((theNumberFormats > 0) && (inIndex < theNumberFormats))
168  {
169  CAAutoArrayDelete<AudioStreamRangedDescription> theFormats(theNumberFormats);
170  GetAvailablePhysicalFormats(theNumberFormats, theFormats);
171  if((theNumberFormats > 0) && (inIndex < theNumberFormats))
172  {
173  outFormat = theFormats[inIndex];
174  }
175  }
176 }