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1 | /*␊ |
2 | * Copyright (c) 1998-2010 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | *␊ |
6 | * The contents of this file constitute Original Code as defined in and␊ |
7 | * are subject to the Apple Public Source License Version 1.1 (the␊ |
8 | * "License"). You may not use this file except in compliance with the␊ |
9 | * License. Please obtain a copy of the License at␊ |
10 | * http://www.apple.com/publicsource and read it before using this file.␊ |
11 | *␊ |
12 | * This Original Code and all software distributed under the License are␊ |
13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊ |
17 | * License for the specific language governing rights and limitations␊ |
18 | * under the License.␊ |
19 | *␊ |
20 | * @APPLE_LICENSE_HEADER_END@␊ |
21 | */␊ |
22 | ␊ |
23 | #ifndef _IOAUDIODEFINES_H␊ |
24 | #define _IOAUDIODEFINES_H␊ |
25 | ␊ |
26 | #define kIOAudioDeviceClassName␉␉"IOAudioDevice"␊ |
27 | #define kIOAudioEngineClassName␉␉"IOAudioEngine"␊ |
28 | #define kIOAudioStreamClassName␉␉"IOAudioStream"␊ |
29 | #define kIOAudioPortClassName␉␉"IOAudioPort"␊ |
30 | #define kIOAudioControlClassName␉"IOAudioControl"␊ |
31 | ␊ |
32 | /*!␊ |
33 | * @defined kIOAudioSampleRateKey␊ |
34 | * @abstract The key in the IORegistry for the IOAudioEngine sample rate attribute␊ |
35 | * @discussion This value is represented as an integer in samples per second.␊ |
36 | */␊ |
37 | #define kIOAudioSampleRateKey␉␉␉␉"IOAudioSampleRate"␊ |
38 | ␊ |
39 | #define kIOAudioSampleRateWholeNumberKey␉"IOAudioSampleRateWholeNumber"␊ |
40 | #define kIOAudioSampleRateFractionKey␉␉"IOAudioSampleRateFraction"␊ |
41 | ␊ |
42 | ␊ |
43 | ␊ |
44 | /******␊ |
45 | *␊ |
46 | * IOAudioDevice defines␊ |
47 | *␊ |
48 | *****/␊ |
49 | ␊ |
50 | ␊ |
51 | /*!␊ |
52 | * @defined kIOAudioDeviceNameKey␊ |
53 | * @abstract The key in the IORegistry for the IOAudioDevice name attribute.␊ |
54 | */␊ |
55 | #define kIOAudioDeviceNameKey␉␉␉␉"IOAudioDeviceName"␊ |
56 | ␊ |
57 | #define kIOAudioDeviceShortNameKey␉␉␉"IOAudioDeviceShortName"␊ |
58 | ␊ |
59 | /*!␊ |
60 | * @defined kIOAudioDeviceManufacturerNameKey␊ |
61 | * @abstract The key in the IORegistry for the IOAudioDevice manufacturer name attribute.␊ |
62 | */␊ |
63 | #define kIOAudioDeviceManufacturerNameKey␉"IOAudioDeviceManufacturerName"␊ |
64 | ␊ |
65 | #define kIOAudioDeviceLocalizedBundleKey␉"IOAudioDeviceLocalizedBundle"␊ |
66 | ␊ |
67 | #define kIOAudioDeviceTransportTypeKey␉␉"IOAudioDeviceTransportType"␊ |
68 | ␊ |
69 | #define kIOAudioDeviceConfigurationAppKey␉"IOAudioDeviceConfigurationApplication"␊ |
70 | ␊ |
71 | #define kIOAudioDeviceCanBeDefaults␉␉␉"IOAudioDeviceCanBeDefaults"␊ |
72 | ␊ |
73 | #define kIOAudioDeviceModelIDKey␉␉␉"IOAudioDeviceModelID"␊ |
74 | ␊ |
75 | ␊ |
76 | /*!␊ |
77 | * @defined kIOAudioDeviceIconName␊ |
78 | * @abstract The key in the IORegistry for the IOAudioDevice icon name attribute.␊ |
79 | */␊ |
80 | #define kIOAudioDeviceIconNameKey␉␉"IOAudioDeviceIconName"␊ |
81 | ␊ |
82 | #define kIOAudioDeviceIconTypeKey␉␉"IOAudioDeviceIconType"␊ |
83 | ␊ |
84 | #define kIOAudioDeviceIconSubDirKey␉"IOAudioDeviceIconSubDir"␊ |
85 | ␊ |
86 | /*****␊ |
87 | *␊ |
88 | * IOAudioEngine defines␊ |
89 | *␊ |
90 | *****/␊ |
91 | ␊ |
92 | ␊ |
93 | /*!␊ |
94 | * @defined kIOAudioEngineStateKey␊ |
95 | * @abstract The key in the IORegistry for the IOAudioEngine state atrribute␊ |
96 | * @discussion The value for this key may be one of: "Running", "Stopped" or "Paused". Currently the "Paused"␊ |
97 | * state is unimplemented.␊ |
98 | */␊ |
99 | #define kIOAudioEngineStateKey␉␉"IOAudioEngineState"␊ |
100 | ␊ |
101 | /*!␊ |
102 | * @defined kIOAudioEngineOutputSampleLatencyKey␊ |
103 | * @abstract The key in the IORegistry for the IOAudioEngine output sample latency key␊ |
104 | * @discussion ␊ |
105 | */␊ |
106 | #define kIOAudioEngineOutputSampleLatencyKey␉␉"IOAudioEngineOutputSampleLatency"␊ |
107 | ␊ |
108 | /*!␊ |
109 | * @defined kIOAudioStreamSampleLatencyKey␊ |
110 | * @abstract The key in the IORegistry for the IOAudioStream output sample latency key␊ |
111 | * @discussion Tells the HAL how much latency is on a particular stream. If two streams␊ |
112 | * on the same engine have different latencies (e.g. one is analog, one is digital), then␊ |
113 | * set this property on both streams to inform the HAL of the latency differences. Alternately,␊ |
114 | * you can set the engine latency, and just include the latency additional to that for the particular␊ |
115 | * stream. The HAL will add the engine and stream latency numbers together to get the total latency.␊ |
116 | */␊ |
117 | #define kIOAudioStreamSampleLatencyKey␉␉␉␉"IOAudioStreamSampleLatency"␊ |
118 | ␊ |
119 | #define kIOAudioEngineInputSampleLatencyKey␉␉␉"IOAudioEngineInputSampleLatency"␊ |
120 | ␊ |
121 | #define kIOAudioEngineSampleOffsetKey␉␉␉␉"IOAudioEngineSampleOffset"␊ |
122 | ␊ |
123 | #define kIOAudioEngineInputSampleOffsetKey␉␉␉"IOAudioEngineInputSampleOffset"␊ |
124 | ␊ |
125 | #define kIOAudioEngineNumSampleFramesPerBufferKey␉"IOAudioEngineNumSampleFramesPerBuffer"␊ |
126 | ␊ |
127 | #define kIOAudioEngineCoreAudioPlugInKey␉␉␉"IOAudioEngineCoreAudioPlugIn"␊ |
128 | ␊ |
129 | #define kIOAudioEngineNumActiveUserClientsKey␉␉"IOAudioEngineNumActiveUserClients"␊ |
130 | ␊ |
131 | #define kIOAudioEngineUserClientActiveKey␉␉␉"IOAudioEngineUserClientActive"␊ |
132 | ␊ |
133 | #define kIOAudioEngineGlobalUniqueIDKey␉␉␉␉"IOAudioEngineGlobalUniqueID"␊ |
134 | ␊ |
135 | #define kIOAudioEngineDescriptionKey␉␉␉␉"IOAudioEngineDescription"␊ |
136 | ␊ |
137 | #define kIOAudioEngineClockIsStableKey␉␉␉␉"IOAudioEngineClockIsStable"␊ |
138 | ␊ |
139 | #define kIOAudioEngineClockDomainKey␉␉␉␉"IOAudioEngineClockDomain"␊ |
140 | ␊ |
141 | #define kIOAudioEngineIsHiddenKey "IOAudioEngineIsHidden"␊ |
142 | /*!␊ |
143 | * @defined kIOAudioEngineFullChannelNamesKey␊ |
144 | * @abstract The key in the IORegistry for the IOAudioEngine's dictionary of fully constructed names for each channel keyed by the device channel␊ |
145 | * @discussion ␊ |
146 | */␊ |
147 | #define␉kIOAudioEngineFullChannelNamesKey␉␉␉"IOAudioEngineChannelNames"␊ |
148 | ␊ |
149 | /*!␊ |
150 | * @defined kIOAudioEngineFullChannelNamesKey␊ |
151 | * @abstract The key in the IORegistry for the IOAudioEngine's dictionary of category names for each channel keyed by the device channel␊ |
152 | * @discussion ␊ |
153 | */␊ |
154 | #define␉kIOAudioEngineFullChannelCategoryNamesKey␉"IOAudioEngineChannelCategoryNames"␊ |
155 | ␊ |
156 | /*!␊ |
157 | * @defined kIOAudioEngineFullChannelNamesKey␊ |
158 | * @abstract The key in the IORegistry for the IOAudioEngine's dictionary of number names for each channel keyed by the device channel␊ |
159 | * @discussion ␊ |
160 | */␊ |
161 | #define␉kIOAudioEngineFullChannelNumberNamesKey␉␉␉"IOAudioEngineChannelNumberNames"␊ |
162 | ␊ |
163 | #define␉kIOAudioEngineFullChannelNameKeyInputFormat␉␉"InputChannel%u"␊ |
164 | ␊ |
165 | #define␉kIOAudioEngineFullChannelNameKeyOutputFormat␉"OutputChannel%u"␊ |
166 | ␊ |
167 | #define kIOAudioEngineFlavorKey␉␉␉␉␉␉␉"IOAudioEngineFlavor"␊ |
168 | ␊ |
169 | #define␉kIOAudioEngineAlwaysLoadCoreAudioPlugInKey␉␉"IOAudioEngineAlwaysLoadCoreAudioPlugIn"␊ |
170 | ␊ |
171 | /*!␊ |
172 | * @defined kIOAudioEngineInputChannelLayoutKey␊ |
173 | * @abstract The key in the IORegistry for the IOAudioEngine's dictionary describes an array of OSNumber data that describe the spatial position of each channel. See IOAudioTypes.h.␊ |
174 | * @discussion␊ |
175 | */␊ |
176 | ␊ |
177 | #ifndef __OPEN_SOURCE__␊ |
178 | //␉<rdar://6868206>␊ |
179 | #endif␊ |
180 | #define kIOAudioEngineInputChannelLayoutKey␉␉␉␉"IOAudioEngineInputChannelLayout"␊ |
181 | ␊ |
182 | /*!␊ |
183 | * @defined kIOAudioEngineOutputChannelLayoutKey␊ |
184 | * @abstract The key in the IORegistry for the IOAudioEngine's dictionary describes an array of OSNumber data that describe the spatial position of each channel. See IOAudioTypes.h.␊ |
185 | * @discussion␊ |
186 | */␊ |
187 | ␊ |
188 | #ifndef __OPEN_SOURCE__␊ |
189 | //␉<rdar://6868206>␊ |
190 | #endif␊ |
191 | #define kIOAudioEngineOutputChannelLayoutKey␉␉␉"IOAudioEngineOutputChannelLayout"␊ |
192 | ␊ |
193 | /*****␊ |
194 | *␊ |
195 | * IOAudioStream defines␊ |
196 | *␊ |
197 | *****/␊ |
198 | ␊ |
199 | ␊ |
200 | #define kIOAudioStreamIDKey␉␉␉␉␉"IOAudioStreamID"␊ |
201 | #define kIOAudioStreamDescriptionKey␉␉"IOAudioStreamDescription"␊ |
202 | #define kIOAudioStreamNumClientsKey␉␉␉"IOAudioStreamNumClients"␊ |
203 | ␊ |
204 | /*!␊ |
205 | * @defined kIOAudioStreamDirectionKey␊ |
206 | * @abstract The key in the IORegistry for the IOAudioStream direction attribute.␊ |
207 | * @discussion The value for this key may be either "Output" or "Input".␊ |
208 | */␊ |
209 | #define kIOAudioStreamDirectionKey␉␉␉␉"IOAudioStreamDirection"␊ |
210 | ␊ |
211 | #define kIOAudioStreamStartingChannelIDKey␉␉"IOAudioStreamStartingChannelID"␊ |
212 | #define kIOAudioStreamStartingChannelNumberKey␉"IOAudioStreamStartingChannelNumber"␊ |
213 | #define kIOAudioStreamAvailableKey␉␉␉␉"IOAudioStreamAvailable"␊ |
214 | ␊ |
215 | #define kIOAudioStreamFormatKey␉␉␉␉␉"IOAudioStreamFormat"␊ |
216 | #define kIOAudioStreamAvailableFormatsKey␉␉"IOAudioStreamAvailableFormats"␊ |
217 | ␊ |
218 | #define kIOAudioStreamNumChannelsKey␉␉␉"IOAudioStreamNumChannels"␊ |
219 | #define kIOAudioStreamSampleFormatKey␉␉␉"IOAudioStreamSampleFormat"␊ |
220 | ␊ |
221 | #define kIOAudioStreamNumericRepresentationKey␉"IOAudioStreamNumericRepresentation"␊ |
222 | ␊ |
223 | #define kIOAudioStreamFormatFlagsKey␉␉␉"IOAudioStreamFormatFlags"␊ |
224 | #define kIOAudioStreamFramesPerPacketKey␉␉"IOAudioStreamFramesPerPacket"␊ |
225 | #define kIOAudioStreamBytesPerPacketKey␉␉␉"IOAudioStreamBytesPerPacket"␊ |
226 | ␊ |
227 | ␊ |
228 | #define kIOAudioStreamBitDepthKey␉␉␉␉"IOAudioStreamBitDepth"␊ |
229 | #define kIOAudioStreamBitWidthKey␉␉␉␉"IOAudioStreamBitWidth"␊ |
230 | ␊ |
231 | #define kIOAudioStreamAlignmentKey␉␉␉␉"IOAudioStreamAlignment"␊ |
232 | ␊ |
233 | #define kIOAudioStreamByteOrderKey␉␉␉␉"IOAudioStreamByteOrder"␊ |
234 | ␊ |
235 | #define kIOAudioStreamIsMixableKey␉␉␉␉"IOAudioStreamIsMixable"␊ |
236 | ␊ |
237 | #define kIOAudioStreamMinimumSampleRateKey␉␉"IOAudioStreamMinimumSampleRate"␊ |
238 | #define kIOAudioStreamMaximumSampleRateKey␉␉"IOAudioStreamMaximumSampleRate"␊ |
239 | ␊ |
240 | #define kIOAudioStreamDriverTagKey␉␉␉␉"IOAudioStreamDriverTag"␊ |
241 | ␊ |
242 | #define kIOAudioStreamTerminalTypeKey␉␉␉"IOAudioStreamTerminalType"␊ |
243 | ␊ |
244 | /*****␊ |
245 | *␊ |
246 | * IOAudioPort defines␊ |
247 | *␊ |
248 | *****/␊ |
249 | ␊ |
250 | ␊ |
251 | /*!␊ |
252 | * @defined kIOAudioPortTypeKey␊ |
253 | * @abstract The key in the IORegistry for the IOAudioPort type attribute.␊ |
254 | * @discussion This is a driver-defined text attribute that may contain any type.␊ |
255 | * Common types are defined as: "Speaker", "Headphones", "Microphone", "CD", "Line", "Digital", "Mixer", "PassThru".␊ |
256 | */␊ |
257 | #define kIOAudioPortTypeKey␉␉␉"IOAudioPortType"␊ |
258 | ␊ |
259 | /*!␊ |
260 | * @defined kIOAudioPortSubTypeKey␊ |
261 | * @abstract The key in the IORegistry for the IOAudioPort subtype attribute.␊ |
262 | * @discussion The IOAudioPort subtype is a driver-defined text attribute designed to complement the type␊ |
263 | * attribute.␊ |
264 | */␊ |
265 | #define kIOAudioPortSubTypeKey␉␉"IOAudioPortSubType"␊ |
266 | ␊ |
267 | /*!␊ |
268 | * @defined kIOAudioPortNameKey␊ |
269 | * @abstract The key in the IORegistry for the IOAudioPort name attribute.␊ |
270 | */␊ |
271 | #define kIOAudioPortNameKey␉␉␉"IOAudioPortName"␊ |
272 | ␊ |
273 | ␊ |
274 | ␊ |
275 | /*****␊ |
276 | *␊ |
277 | * IOAudioControl defines␊ |
278 | *␊ |
279 | *****/␊ |
280 | ␊ |
281 | ␊ |
282 | /*!␊ |
283 | * @defined kIOAudioControlTypeKey␊ |
284 | * @abstract The key in the IORegistry for the IOAudioCntrol type attribute.␊ |
285 | * @discussion The value of this text attribute may be defined by the driver, however system-defined␊ |
286 | * types recognized by the upper-level software are "Level", "Mute", "Selector".␊ |
287 | */␊ |
288 | #define kIOAudioControlTypeKey␉␉"IOAudioControlType"␊ |
289 | ␊ |
290 | #define kIOAudioControlSubTypeKey␉"IOAudioControlSubType"␊ |
291 | ␊ |
292 | #define kIOAudioControlUsageKey␉␉"IOAudioControlUsage"␊ |
293 | ␊ |
294 | #define kIOAudioControlIDKey␉␉"IOAudioControlID"␊ |
295 | ␊ |
296 | /*!␊ |
297 | * @defined kIOAudioControlChannelIDKey␊ |
298 | * @abstract The key in the IORegistry for the IOAudioControl channel ID attribute␊ |
299 | * @discussion The value for this key is an integer which may be driver defined. Default values for␊ |
300 | * common channel types are provided in the following defines.␊ |
301 | */␊ |
302 | #define kIOAudioControlChannelIDKey␉␉"IOAudioControlChannelID"␊ |
303 | ␊ |
304 | #define kIOAudioControlChannelNumberKey␉␉␉"IOAudioControlChannelNumber"␊ |
305 | ␊ |
306 | #define kIOAudioControlCoreAudioPropertyIDKey␉"IOAudioControlCoreAudioPropertyID"␊ |
307 | /*!␊ |
308 | * @defined kIOAudioControlChannelNameKey␊ |
309 | * @abstract The key in the IORegistry for the IOAudioControl name attribute.␊ |
310 | * @discussion This name should be a human-readable name for the channel(s) represented by the port.␊ |
311 | * *** NOTE *** We really need to make all of the human-readable attributes that have potential to␊ |
312 | * be used in a GUI localizable. There will need to be localized strings in the kext bundle matching␊ |
313 | * the text.␊ |
314 | */␊ |
315 | #define kIOAudioControlChannelNameKey␉␉"IOAudioControlChannelName"␊ |
316 | ␊ |
317 | /*!␊ |
318 | * @defined kIOAudioControlChannelNameAll␊ |
319 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
320 | * the channel name for all channels.␊ |
321 | */␊ |
322 | #define kIOAudioControlChannelNameAll␉␉"All Channels"␊ |
323 | ␊ |
324 | /*!␊ |
325 | * @defined kIOAudioControlChannelNameLeft␊ |
326 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
327 | * the channel name for the left channel.␊ |
328 | */␊ |
329 | #define kIOAudioControlChannelNameLeft␉␉"Left"␊ |
330 | ␊ |
331 | /*!␊ |
332 | * @defined kIOAudioControlChannelNameRight␊ |
333 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
334 | * the channel name for the right channel.␊ |
335 | */␊ |
336 | #define kIOAudioControlChannelNameRight␉␉"Right"␊ |
337 | ␊ |
338 | /*!␊ |
339 | * @defined kIOAudioControlChannelNameCenter␊ |
340 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
341 | * the channel name for the center channel.␊ |
342 | */␊ |
343 | #define kIOAudioControlChannelNameCenter␉"Center"␊ |
344 | ␊ |
345 | /*!␊ |
346 | * @defined kIOAudioControlChannelNameLeftRear␊ |
347 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
348 | * the channel name for the left rear channel.␊ |
349 | */␊ |
350 | #define kIOAudioControlChannelNameLeftRear␉"LeftRear"␊ |
351 | ␊ |
352 | /*!␊ |
353 | * @defined kIOAudioControlChannelNameRightRear␊ |
354 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
355 | * the channel name for the right rear channel.␊ |
356 | */␊ |
357 | #define kIOAudioControlChannelNameRightRear␉"RightRear"␊ |
358 | ␊ |
359 | /*!␊ |
360 | * @defined kIOAudioControlChannelNameSub␊ |
361 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
362 | * the channel name for the sub/LFE channel.␊ |
363 | */␊ |
364 | #define kIOAudioControlChannelNameSub␉␉"Sub"␊ |
365 | ␊ |
366 | /*!␊ |
367 | * @defined kIOAudioControlChannelNameFrontLeftCenter␊ |
368 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
369 | * the channel name for the FrontLeftCenter channel.␊ |
370 | */␊ |
371 | #define kIOAudioControlChannelNameFrontLeftCenter␉␉"FrontLeftCenter"␊ |
372 | ␊ |
373 | /*!␊ |
374 | * @defined kIOAudioControlChannelNameFrontRightCenter␊ |
375 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
376 | * the channel name for the FrontRightCenter channel.␊ |
377 | */␊ |
378 | #define kIOAudioControlChannelNameFrontRightCenter␉␉"FrontRightCenter"␊ |
379 | ␊ |
380 | /*!␊ |
381 | * @defined kIOAudioControlChannelNameRearCenter␊ |
382 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
383 | * the channel name for the RearCenter channel.␊ |
384 | */␊ |
385 | #define kIOAudioControlChannelNameRearCenter␉␉"RearCenter"␊ |
386 | ␊ |
387 | /*!␊ |
388 | * @defined kIOAudioControlChannelNameSurroundLeft␊ |
389 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
390 | * the channel name for the SurroundLeft channel.␊ |
391 | */␊ |
392 | #define kIOAudioControlChannelNameSurroundLeft␉␉"SurroundLeft"␊ |
393 | ␊ |
394 | /*!␊ |
395 | * @defined kIOAudioControlChannelNameSurroundRight␊ |
396 | * @abstract The value for the kIOAudioControlChannelNameKey in the IORegistry representing␊ |
397 | * the channel name for the SurroundRight channel.␊ |
398 | */␊ |
399 | #define kIOAudioControlChannelNameSurroundRight␉␉"SurroundRight"␊ |
400 | ␊ |
401 | ␊ |
402 | /*!␊ |
403 | * @defined kIOAudioControlValueKey␊ |
404 | * @abstract The key in the IORegistry for the IOAudioControl value attribute.␊ |
405 | * @discussion The value returned by this key is a 32-bit integer representing the current value of the IOAudioControl.␊ |
406 | */␊ |
407 | #define kIOAudioControlValueKey␉␉␉␉"IOAudioControlValue"␊ |
408 | ␊ |
409 | /*!␊ |
410 | * @defined kIOAudioControlValueIsReadOnlyKey␊ |
411 | * @abstract The key in the IORegistry for the IOAudioControl value-is-read-only attribute.␊ |
412 | * @discussion The value returned by this key is a 32-bit integer but the value doesn't have any direct meaning.␊ |
413 | * Instead, the presence of this key indicates that the value for the control is read-only␊ |
414 | */␊ |
415 | #define kIOAudioControlValueIsReadOnlyKey␉"IOAudioControlValueIsReadOnly"␊ |
416 | ␊ |
417 | /*!␊ |
418 | * @defined kIOAudioLevelControlMinValueKey␊ |
419 | * @abstract The key in the IORegistry for the IOAudioControl minimum value attribute.␊ |
420 | * @discussion The value returned by this key is a 32-bit integer representing the minimum value for the IOAudioControl.␊ |
421 | * This is currently only valid for Level controls or other driver-defined controls that have a minimum and maximum␊ |
422 | * value.␊ |
423 | */␊ |
424 | #define kIOAudioLevelControlMinValueKey␉␉"IOAudioLevelControlMinValue"␊ |
425 | ␊ |
426 | /*!␊ |
427 | * @defined kIOAudioLevelControlMaxValueKey␊ |
428 | * @abstract The key in the IORegistry for the IOAudioControl maximum value attribute.␊ |
429 | * @discussion The value returned by this key is a 32-bit integer representing the maximum value for the IOAudioControl.␊ |
430 | * This is currently only valid for Level controls or other driver-defined controls that have a minimum and maximum␊ |
431 | * value.␊ |
432 | */␊ |
433 | #define kIOAudioLevelControlMaxValueKey␉␉"IOAudioLevelControlMaxValue"␊ |
434 | ␊ |
435 | /*!␊ |
436 | * @defined kIOAudioLevelControlMinDBKey␊ |
437 | * @abstract The key in the IORgistry for the IOAudioControl minimum db value attribute.␊ |
438 | * @discussion The value returned by this key is a fixed point value in 16.16 format represented as a 32-bit␊ |
439 | * integer. It represents the minimum value in db for the IOAudioControl. This value matches the minimum␊ |
440 | * value attribute. This is currently valid for Level controls or other driver-defined controls that have a␊ |
441 | * minimum and maximum db value.␊ |
442 | */␊ |
443 | #define kIOAudioLevelControlMinDBKey␉␉"IOAudioLevelControlMinDB"␊ |
444 | ␊ |
445 | /*!␊ |
446 | * @defined kIOAudioLevelControlMaxDBKey␊ |
447 | * @abstract The key in the IORgistry for the IOAudioControl maximum db value attribute.␊ |
448 | * @discussion The value returned by this key is a fixed point value in 16.16 format represented as a 32-bit␊ |
449 | * integer. It represents the maximum value in db for the IOAudioControl. This value matches the maximum␊ |
450 | * value attribute. This is currently valid for Level controls or other driver-defined controls that have a␊ |
451 | * minimum and maximum db value.␊ |
452 | */␊ |
453 | #define kIOAudioLevelControlMaxDBKey␉␉"IOAudioLevelControlMaxDB"␊ |
454 | ␊ |
455 | #define kIOAudioLevelControlRangesKey␉␉"IOAudioLevelControlRanges"␊ |
456 | ␊ |
457 | #define kIOAudioLevelControlUseLinearScale␉"IOAudioLevelControlUseLinearScale"␊ |
458 | ␊ |
459 | #define kIOAudioSelectorControlAvailableSelectionsKey␉"IOAudioSelectorControlAvailableSelections"␊ |
460 | #define kIOAudioSelectorControlSelectionValueKey␉␉"IOAudioSelectorControlSelectionValue"␊ |
461 | #define kIOAudioSelectorControlSelectionDescriptionKey␉"IOAudioSelectorControlSelectionDescriptionKey"␊ |
462 | ␊ |
463 | #define kIOAudioSelectorControlClockSourceKey␉␉␉␉"IOAudioSelectorControlClockSourceKey"␊ |
464 | ␊ |
465 | #endif /* _IOAUDIODEFINES_H */␊ |
466 |