| 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 | |
