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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 _IOKIT_IOAUDIOTYPES_H␊
24#define _IOKIT_IOAUDIOTYPES_H␊
25␊
26#include <libkern/OSTypes.h>␊
27#include <mach/message.h>␊
28#include <device/device_types.h>␊
29␊
30␊
31/*!␊
32 * @enum IOAudioEngineMemory␊
33 * @abstract Used to identify the type of memory requested by a client process to be mapped into its process space␊
34 * @discussion This is the parameter to the type field of IOMapMemory when called on an IOAudioEngine. This is␊
35 * only intended for use by the Audio Device API library.␊
36 * @constant kIOAudioSampleBuffer This requests the IOAudioEngine's sample buffer␊
37 * @constant kIOAudioStatusBuffer This requests the IOAudioEngine's status buffer. It's type is IOAudioEngineStatus.␊
38 * @constant kIOAudioMixBuffer This requests the IOAudioEngine's mix buffer␊
39*/␊
40typedef enum _IOAudioEngineMemory {␊
41 kIOAudioStatusBuffer ␉␉␉= 0,␊
42 kIOAudioSampleBuffer␉␉␉= 1,␊
43 kIOAudioMixBuffer␉␉␉␉= 2,␊
44␉kIOAudioBytesInInputBuffer␉␉= 3,␊
45␉kIOAudioBytesInOutputBuffer␉␉= 4␊
46} IOAudioEngineMemory;␊
47␊
48/*!␊
49 * @enum IOAudioEngineCalls␊
50 * @abstract The set of constants passed to IOAudioEngineUserClient::getExternalMethodForIndex() when making calls␊
51 * from the IOAudioFamily user client code.␊
52 */␊
53typedef enum _IOAudioEngineCalls {␊
54 kIOAudioEngineCallRegisterClientBuffer␉␉␉= 0,␊
55 kIOAudioEngineCallUnregisterClientBuffer␉␉= 1,␊
56 kIOAudioEngineCallGetConnectionID␉␉␉␉= 2,␊
57 kIOAudioEngineCallStart␉␉␉␉␉␉␉= 3,␊
58 kIOAudioEngineCallStop␉␉␉␉␉␉␉= 4,␊
59␉kIOAudioEngineCallGetNearestStartTime␉␉␉= 5␊
60} IOAudioEngineCalls;␊
61␊
62/*! @defined kIOAudioEngineNumCalls The number of elements in the IOAudioEngineCalls enum. */␊
63#define kIOAudioEngineNumCalls␉␉6␊
64␊
65typedef enum _IOAudioEngineTraps {␊
66 kIOAudioEngineTrapPerformClientIO␉␉␉␉= 0␊
67} IOAudioEngineTraps;␊
68␊
69typedef enum _IOAudioEngineNotifications {␊
70 kIOAudioEngineAllNotifications ␉␉␉␉␉= 0,␊
71 kIOAudioEngineStreamFormatChangeNotification␉= 1,␊
72 kIOAudioEngineChangeNotification ␉␉␉␉= 2,␊
73 kIOAudioEngineStartedNotification ␉␉␉␉= 3,␊
74 kIOAudioEngineStoppedNotification ␉␉␉␉= 4,␊
75 kIOAudioEnginePausedNotification␉␉␉␉= 5,␊
76 kIOAudioEngineResumedNotification␉␉␉␉= 6␊
77} IOAudioEngineNotifications;␊
78␊
79/*!␊
80 * @enum IOAudioEngineState␊
81 * @abstract Represents the state of an IOAudioEngine␊
82 * @constant kIOAudioEngineRunning The IOAudioEngine is currently running - it is transferring data to or ␊
83 * from the device.␊
84 * @constant kIOAudioEngineStopped The IOAudioEngine is currently stopped - no activity is occurring.␊
85 */␊
86␊
87typedef enum _IOAudioEngineState {␊
88 kIOAudioEngineStopped␉␉␉␉␉␉␉= 0,␊
89 kIOAudioEngineRunning␉␉␉␉␉␉␉= 1,␊
90 kIOAudioEnginePaused␉␉␉␉␉␉␉= 2,␊
91 kIOAudioEngineResumed␉␉␉␉␉␉␉= 3␊
92} IOAudioEngineState;␊
93␊
94␊
95/*!␊
96 * @typedef IOAudioEngineStatus␊
97 * @abstract Shared-memory structure giving audio engine status␊
98 * @discussion␊
99 * @field fVersion Indicates version of this structure␊
100 * @field fCurrentLoopCount Number of times around the ring buffer since the audio engine started␊
101 * @field fLastLoopTime Timestamp of the last time the ring buffer wrapped␊
102 * @field fEraseHeadSampleFrame Location of the erase head in sample frames - erased up to but not␊
103 * including the given sample frame␊
104 */␊
105␊
106typedef struct _IOAudioEngineStatus {␊
107 UInt32␉␉␉␉␉fVersion;␊
108 volatile UInt32␉␉␉fCurrentLoopCount;␊
109 volatile AbsoluteTime fLastLoopTime;␊
110 volatile UInt32␉␉␉fEraseHeadSampleFrame;␊
111} IOAudioEngineStatus;␊
112␊
113#define kIOAudioEngineCurrentStatusStructVersion␉␉2␊
114␊
115typedef struct _IOAudioStreamFormat {␊
116 UInt32␉fNumChannels;␊
117 UInt32␉fSampleFormat;␊
118 UInt32␉fNumericRepresentation;␊
119 UInt8␉fBitDepth;␊
120 UInt8␉fBitWidth;␊
121 UInt8␉fAlignment;␊
122 UInt8␉fByteOrder;␊
123 UInt8␉fIsMixable;␊
124 UInt32␉fDriverTag;␊
125} IOAudioStreamFormat;␊
126␊
127#define kFormatExtensionInvalidVersion␉␉␉␉␉0␊
128#define kFormatExtensionCurrentVersion␉␉␉␉␉1␊
129␊
130typedef struct _IOAudioStreamFormatExtension {␊
131 UInt32␉fVersion;␊
132 UInt32␉fFlags;␊
133 UInt32␉fFramesPerPacket;␊
134 UInt32␉fBytesPerPacket;␊
135} IOAudioStreamFormatExtension;␊
136␊
137typedef struct _IOAudioBufferDataDescriptor {␊
138␉UInt32␉fActualDataByteSize;␊
139␉UInt32␉fActualNumSampleFrames;␊
140␉UInt32␉fTotalDataByteSize;␊
141␉UInt32␉fNominalDataByteSize;␊
142␉UInt8␉fData[1];␊
143} IOAudioBufferDataDescriptor;␊
144␊
145#define kStreamDataDescriptorInvalidVersion␉␉␉␉0␊
146#define kStreamDataDescriptorCurrentVersion␉␉␉␉1␊
147␊
148typedef struct _IOAudioStreamDataDescriptor {␊
149 UInt32␉fVersion;␊
150 UInt32␉fNumberOfStreams;␊
151 UInt32␉fStreamLength[1];␉␉␉// Array with fNumberOfStreams number of entries␊
152} IOAudioStreamDataDescriptor;␊
153␊
154typedef struct _IOAudioSampleIntervalDescriptor {␊
155␉UInt32␉sampleIntervalHi;␊
156␉UInt32␉sampleIntervalLo;␊
157} IOAudioSampleIntervalDescriptor;␊
158␊
159/*!␊
160 @struct SMPTETime␊
161 @abstract A structure for holding a SMPTE time.␊
162 @field fSubframes␊
163 The number of subframes in the full message.␊
164 @field fSubframeDivisor␊
165 The number of subframes per frame (typically 80).␊
166 @field fCounter␊
167 The total number of messages received.␊
168 @field fType␊
169 The kind of SMPTE time using the SMPTE time type constants.␊
170 @field fFlags␊
171 A set of flags that indicate the SMPTE state.␊
172 @field fHours␊
173 The number of hourse in the full message.␊
174 @field fMinutes␊
175 The number of minutes in the full message.␊
176 @field fSeconds␊
177 The number of seconds in the full message.␊
178 @field fFrames␊
179 The number of frames in the full message.␊
180*/␊
181typedef struct _IOAudioSMPTETime␊
182{␊
183 SInt16 fSubframes;␊
184 SInt16 fSubframeDivisor;␊
185 UInt32 fCounter;␊
186 UInt32 fType;␊
187 UInt32 fFlags;␊
188 SInt16 fHours;␊
189 SInt16 fMinutes;␊
190 SInt16 fSeconds;␊
191 SInt16 fFrames;␊
192␊
193} IOAudioSMPTETime;␊
194␊
195//␉constants describing SMPTE types (taken from the MTC spec)␊
196enum␊
197{␊
198␉kIOAudioSMPTETimeType24␉␉␉= 0,␊
199␉kIOAudioSMPTETimeType25␉␉␉= 1,␊
200␉kIOAudioSMPTETimeType30Drop␉␉= 2,␊
201␉kIOAudioSMPTETimeType30␉␉␉= 3,␊
202␉kIOAudioSMPTETimeType2997␉␉= 4,␊
203␉kIOAudioSMPTETimeType2997Drop␉= 5␊
204};␊
205␊
206//␉flags describing a SMPTE time stamp␊
207enum␊
208{␊
209␉kIOAudioSMPTETimeValid␉␉= (1L << 0),␉//␉the full time is valid␊
210␉kIOAudioSMPTETimeRunning␉= (1L << 1)␉␉//␉time is running␊
211};␊
212␊
213//␉A struct for encapsulating the parts of a time stamp. The flags␊
214//␉say which fields are valid.␊
215typedef struct _IOAudioTimeStamp␊
216{␊
217␉UInt64␉␉␉␉fSampleTime;␉//␉the absolute sample time, was a Float64␊
218␉UInt64␉␉␉␉fHostTime;␉␉//␉the host's root timebase's time␊
219␉UInt64␉␉␉␉fRateScalar;␉//␉the system rate scalar, was a Float64␊
220␉UInt64␉␉␉␉fWordClockTime;␉//␉the word clock time␊
221␉IOAudioSMPTETime␉fSMPTETime;␉␉//␉the SMPTE time␊
222␉UInt32␉␉␉␉fFlags;␉␉␉//␉the flags indicate which fields are valid␊
223␉UInt32␉␉␉␉fReserved;␉␉//␉reserved, pads the structure out to force 8 byte alignment␊
224} IOAudioTimeStamp;␊
225␊
226//␉flags for the AudioTimeStamp sturcture␊
227enum␊
228{␊
229␉kIOAudioTimeStampSampleTimeValid␉= (1L << 0),␊
230␉kIOAudioTimeStampHostTimeValid␉␉= (1L << 1),␊
231␉kIOAudioTimeStampRateScalarValid␉= (1L << 2),␊
232␉kIOAudioTimeStampWordClockTimeValid␉= (1L << 3),␊
233␉kIOAudioTimeStampSMPTETimeValid␉␉= (1L << 4)␊
234};␊
235␊
236//␉Some commonly used combinations of timestamp flags␊
237enum␊
238{␊
239␉kIOAudioTimeStampSampleHostTimeValid␉= (kIOAudioTimeStampSampleTimeValid | kIOAudioTimeStampHostTimeValid)␊
240};␊
241␊
242/*!␊
243* @enum IOAudioStreamDirection␊
244 * @abstract Represents the direction of an IOAudioStream␊
245 * @constant kIOAudioStreamDirectionOutput Output buffer␊
246 * @constant kIOAudioStreamDirectionInput Input buffer␊
247 */␊
248␊
249typedef enum _IOAudioStreamDirection {␊
250 kIOAudioStreamDirectionOutput␉= 0,␊
251 kIOAudioStreamDirectionInput␉= 1␊
252} IOAudioStreamDirection;␊
253␊
254enum {␊
255␉kIOAudioDeviceCanBeDefaultNothing␉= 0,␊
256␉kIOAudioDeviceCanBeDefaultInput␉␉= (1L << 0),␊
257␉kIOAudioDeviceCanBeDefaultOutput␉= (1L << 1),␊
258␉kIOAudioDeviceCanBeSystemOutput␉␉= (1L << 2)␊
259};␊
260␊
261/*!␊
262 * @defined kIOAudioEngineDefaultMixBufferSampleSize␊
263 */␊
264␊
265#define kIOAudioEngineDefaultMixBufferSampleSize␉␉sizeof(float)␊
266␊
267/* The following are for use only by the IOKit.framework audio family code */␊
268␊
269/*!␊
270 * @enum IOAudioControlCalls␊
271 * @abstract The set of constants passed to IOAudioControlUserClient::getExternalMethodForIndex() when making calls␊
272 * from the IOAudioFamily user client code.␊
273 * @constant kIOAudioControlCallSetValue Used to set the value of an IOAudioControl.␊
274 * @constant kIOAudioControlCallGetValue Used to get the value of an IOAudioControl.␊
275 */␊
276typedef enum _IOAudioControlCalls {␊
277 kIOAudioControlCallSetValue = 0,␊
278 kIOAudioControlCallGetValue = 1␊
279} IOAudioControlCalls;␊
280␊
281/*! @defined kIOAudioControlNumCalls The number of elements in the IOAudioControlCalls enum. */␊
282#define kIOAudioControlNumCalls ␉2␊
283␊
284/*!␊
285 * @enum IOAudioControlNotifications␊
286 * @abstract The set of constants passed in the type field of IOAudioControlUserClient::registerNotificaitonPort().␊
287 * @constant kIOAudioControlValueChangeNotification Used to request value change notifications.␊
288 * @constant kIOAudioControlRangeChangeNotification Used to request range change notifications.␊
289 */␊
290typedef enum _IOAudioControlNotifications {␊
291 kIOAudioControlValueChangeNotification = 0,␊
292␉kIOAudioControlRangeChangeNotification = 1␊
293} IOAudioControlNotifications;␊
294␊
295/*!␊
296 * @struct IOAudioNotificationMessage␊
297 * @abstract Used in the mach message for IOAudio notifications.␊
298 * @field messageHeader Standard mach message header␊
299 * @field ref The param passed to registerNotificationPort() in refCon.␊
300 */␊
301typedef struct _IOAudioNotificationMessage {␊
302 mach_msg_header_t␉messageHeader;␊
303 UInt32␉␉type;␊
304 UInt32␉␉ref;␊
305 void *␉␉sender;␊
306} IOAudioNotificationMessage;␊
307␊
308typedef struct _IOAudioSampleRate {␊
309 UInt32␉whole;␊
310 UInt32␉fraction;␊
311} IOAudioSampleRate;␊
312␊
313#define kNoIdleAudioPowerDown␉␉0xffffffffffffffffULL␊
314␊
315enum {␊
316 kIOAudioPortTypeOutput␉␉= 'outp',␊
317 kIOAudioPortTypeInput␉␉= 'inpt',␊
318 kIOAudioPortTypeMixer␉␉= 'mixr',␊
319 kIOAudioPortTypePassThru␉= 'pass',␊
320 kIOAudioPortTypeProcessing␉= 'proc'␊
321};␊
322␊
323enum {␊
324 kIOAudioOutputPortSubTypeInternalSpeaker␉= 'ispk',␊
325 kIOAudioOutputPortSubTypeExternalSpeaker␉= 'espk',␊
326 kIOAudioOutputPortSubTypeHeadphones␉␉␉= 'hdpn',␊
327 kIOAudioOutputPortSubTypeLine␉␉␉␉= 'line',␊
328 kIOAudioOutputPortSubTypeSPDIF␉␉␉␉= 'spdf',␊
329 ␊
330 kIOAudioInputPortSubTypeInternalMicrophone␉= 'imic',␊
331 kIOAudioInputPortSubTypeExternalMicrophone␉= 'emic',␊
332 kIOAudioInputPortSubTypeCD␉␉␉␉␉= 'cd ',␊
333 kIOAudioInputPortSubTypeLine␉␉␉␉= 'line',␊
334 kIOAudioInputPortSubTypeSPDIF␉␉␉␉= 'spdf'␊
335};␊
336␊
337enum {␊
338 kIOAudioControlTypeLevel␉␉␉= 'levl',␊
339 kIOAudioControlTypeToggle␉␉␉= 'togl',␊
340␉kIOAudioControlTypeJack␉␉␉␉= 'jack',␊
341 kIOAudioControlTypeSelector␉␉␉= 'slct'␊
342};␊
343␊
344enum {␊
345 kIOAudioLevelControlSubTypeVolume␉␉␉␉␉␉= 'vlme',␊
346␉kIOAudioLevelControlSubTypeLFEVolume␉␉␉␉␉= 'subv',␊
347␉kIOAudioLevelControlSubTypePRAMVolume␉␉␉␉␉= 'pram',␊
348 kIOAudioToggleControlSubTypeMute␉␉␉␉␉␉= 'mute',␊
349 kIOAudioToggleControlSubTypeSolo␉␉␉␉␉␉= 'solo',␊
350␉kIOAudioToggleControlSubTypeLFEMute␉␉␉␉␉␉= 'subm',␊
351␉kIOAudioToggleControlSubTypeiSubAttach␉␉␉␉␉= 'atch',␊
352 kIOAudioSelectorControlSubTypeOutput␉␉␉␉␉= 'outp',␊
353 kIOAudioSelectorControlSubTypeInput␉␉␉␉␉␉= 'inpt',␊
354 kIOAudioSelectorControlSubTypeClockSource␉␉␉␉= 'clck',␊
355 kIOAudioSelectorControlSubTypeDestination␉␉␉␉= 'dest',␊
356␉kIOAudioSelectorControlSubTypeChannelNominalLineLevel␉= 'nlev',␊
357␉kIOAudioSelectorControlSubTypeChannelLevelPlus4dBu␉␉= '4dbu',␊
358␉kIOAudioSelectorControlSubTypeChannelLevelMinus10dBV␉= '10db',␊
359␉kIOAudioSelectorControlSubTypeChannelLevelMinus20dBV␉= '20db',␊
360␉kIOAudioSelectorControlSubTypeChannelLevelMicLevel␉␉= 'micl',␊
361␉kIOAudioSelectorControlSubTypeChannelLevelInstrumentLevel␉␉= 'istl'␊
362};␊
363␊
364enum {␊
365 kIOAudioControlUsageOutput␉␉␉␉= 'outp',␊
366 kIOAudioControlUsageInput␉␉␉␉= 'inpt',␊
367 kIOAudioControlUsagePassThru␉␉␉= 'pass',␊
368 kIOAudioControlUsageCoreAudioProperty␉= 'prop'␊
369};␊
370␊
371enum {␊
372 kIOAudioControlChannelNumberInactive␉␉␉␉= -1,␊
373 kIOAudioControlChannelIDAll␉␉␉␉␉␉␉= 0,␊
374 kIOAudioControlChannelIDDefaultLeft␉␉␉␉␉= 1,␊
375 kIOAudioControlChannelIDDefaultRight␉␉␉␉= 2,␊
376 kIOAudioControlChannelIDDefaultCenter␉␉␉␉= 3,␊
377 kIOAudioControlChannelIDDefaultLeftRear␉␉␉␉= 4,␊
378 kIOAudioControlChannelIDDefaultRightRear␉␉␉= 5,␊
379 kIOAudioControlChannelIDDefaultSub␉␉␉␉␉= 6,␊
380 kIOAudioControlChannelIDDefaultFrontLeftCenter␉␉= 7,␊
381 kIOAudioControlChannelIDDefaultFrontRightCenter␉␉= 8,␊
382 kIOAudioControlChannelIDDefaultRearCenter␉␉␉= 9,␊
383 kIOAudioControlChannelIDDefaultSurroundLeft␉␉␉= 10,␊
384 kIOAudioControlChannelIDDefaultSurroundRight␉␉= 11␊
385};␊
386␊
387enum {␊
388 kIOAudioSelectorControlSelectionValueNone␉␉␉␉= 'none',␊
389 ␊
390 // Output-specific selection IDs ␊
391 kIOAudioSelectorControlSelectionValueInternalSpeaker␉= 'ispk',␊
392 kIOAudioSelectorControlSelectionValueExternalSpeaker␉= 'espk',␊
393 kIOAudioSelectorControlSelectionValueHeadphones␉␉␉= 'hdpn',␊
394 ␊
395 // Input-specific selection IDs␊
396 kIOAudioSelectorControlSelectionValueInternalMicrophone␉= 'imic',␊
397 kIOAudioSelectorControlSelectionValueExternalMicrophone␉= 'emic',␊
398 kIOAudioSelectorControlSelectionValueCD␉␉␉␉␉= 'cd ',␊
399 ␊
400 // Common selection IDs␊
401 kIOAudioSelectorControlSelectionValueLine␉␉␉␉= 'line',␊
402 kIOAudioSelectorControlSelectionValueSPDIF␉␉␉␉= 'spdf'␊
403};␊
404␊
405enum {␊
406 kIOAudioStreamSampleFormatLinearPCM␉␉= 'lpcm',␊
407 kIOAudioStreamSampleFormatIEEEFloat␉␉= 'ieee',␊
408 kIOAudioStreamSampleFormatALaw␉␉␉= 'alaw',␊
409 kIOAudioStreamSampleFormatMuLaw␉␉␉= 'ulaw',␊
410 kIOAudioStreamSampleFormatMPEG␉␉␉= 'mpeg',␊
411 kIOAudioStreamSampleFormatAC3␉␉␉= 'ac-3',␊
412 kIOAudioStreamSampleFormat1937AC3␉␉= 'cac3',␊
413 kIOAudioStreamSampleFormat1937MPEG1␉␉= 'mpg1',␊
414 kIOAudioStreamSampleFormat1937MPEG2␉␉= 'mpg2',␊
415␉kIOAudioStreamSampleFormatTimeCode␉␉= 'time'␉␉//␉a stream of IOAudioTimeStamp structures that capture any incoming time code information␊
416};␊
417␊
418enum {␊
419 kIOAudioStreamNumericRepresentationSignedInt␉= 'sint',␊
420 kIOAudioStreamNumericRepresentationUnsignedInt␉= 'uint',␊
421␉kIOAudioStreamNumericRepresentationIEEE754Float = 'flot'␊
422};␊
423␊
424enum {␊
425␉kIOAudioClockSelectorTypeInternal␉␉␉= 'int ',␊
426␉kIOAudioClockSelectorTypeExternal␉␉␉= 'ext ',␊
427␉kIOAudioClockSelectorTypeAESEBU␉␉␉␉= 'asbu',␊
428␉kIOAudioClockSelectorTypeTOSLink␉␉␉= 'tosl',␊
429␉kIOAudioClockSelectorTypeSPDIF␉␉␉␉= 'spdf',␊
430␉kIOAudioClockSelectorTypeADATOptical␉␉= 'adto',␊
431␉kIOAudioClockSelectorTypeADAT9Pin␉␉␉= 'adt9',␊
432␉kIOAudioClockSelectorTypeSMPTE␉␉␉␉= 'smpt',␊
433␉kIOAudioClockSelectorTypeVideo␉␉␉␉= 'vdeo',␊
434␉kIOAudioClockSelectorTypeControl␉␉␉= 'cnrl',␊
435␉kIOAudioClockSelectorTypeOther␉␉␉␉= 'othr',␊
436};␊
437␊
438enum {␊
439 kIOAudioStreamAlignmentLowByte␉␉␉␉␉= 0,␊
440 kIOAudioStreamAlignmentHighByte␉␉␉␉␉= 1␊
441};␊
442␊
443enum {␊
444 kIOAudioStreamByteOrderBigEndian␉␉␉␉= 0,␊
445 kIOAudioStreamByteOrderLittleEndian␉␉␉␉= 1␊
446};␊
447␊
448enum {␊
449 kIOAudioLevelControlNegativeInfinity␉␉␉= 0xffffffff␊
450};␊
451␊
452enum {␊
453 kIOAudioNewClockDomain␉␉␉␉␉␉␉= 0xffffffff␊
454};␊
455␊
456// Device connection types␊
457#ifndef __OPEN_SOURCE__␊
458//␉<rdar://7130813>␉Added kIOAudioDeviceTransportTypeDisplayPort␊
459#endif␊
460enum {␊
461␉kIOAudioDeviceTransportTypeBuiltIn␉␉␉␉= 'bltn',␊
462␉kIOAudioDeviceTransportTypePCI␉␉␉␉␉= 'pci ',␊
463␉kIOAudioDeviceTransportTypeUSB␉␉␉␉␉= 'usb ',␊
464␉kIOAudioDeviceTransportTypeFireWire␉␉␉␉= '1394',␊
465␉kIOAudioDeviceTransportTypeNetwork␉␉␉␉= 'ntwk',␊
466␉kIOAudioDeviceTransportTypeWireless␉␉␉␉= 'wrls',␊
467␉kIOAudioDeviceTransportTypeOther␉␉␉␉= 'othr',␊
468␉kIOAudioDeviceTransportTypeBluetooth␉␉␉= 'blue',␊
469␉kIOAudioDeviceTransportTypeVirtual␉␉␉␉= 'virt',␊
470␉kIOAudioDeviceTransportTypeDisplayPort␉␉␉= 'dprt',␊
471␉kIOAudioDeviceTransportTypeHdmi␉␉␉␉␉= 'hdmi'␊
472␊
473};␊
474␊
475// types that go nowhere␊
476enum {␊
477␉OUTPUT_NULL␉␉␉␉␉␉␉␉␉␉= 0x0100,␊
478␉INPUT_NULL␉␉␉␉␉␉␉␉␉␉= 0x0101␊
479};␊
480␊
481// Input terminal types␊
482enum {␊
483␉INPUT_UNDEFINED␉␉␉␉␉␉␉␉␉= 0x0200,␊
484␉INPUT_MICROPHONE␉␉␉␉␉␉␉␉= 0x0201,␊
485␉INPUT_DESKTOP_MICROPHONE␉␉␉␉␉␉= 0x0202,␊
486␉INPUT_PERSONAL_MICROPHONE␉␉␉␉␉␉= 0x0203,␊
487␉INPUT_OMNIDIRECTIONAL_MICROPHONE␉␉␉␉= 0x0204,␊
488␉INPUT_MICROPHONE_ARRAY␉␉␉␉␉␉␉= 0x0205,␊
489␉INPUT_PROCESSING_MICROPHONE_ARRAY␉␉␉␉= 0x0206,␊
490␉INPUT_MODEM_AUDIO␉␉␉␉␉␉␉␉= 0x207␊
491};␊
492␊
493// Output terminal types␊
494enum {␊
495␉OUTPUT_UNDEFINED␉␉␉␉␉␉␉␉= 0x0300,␊
496␉OUTPUT_SPEAKER␉␉␉␉␉␉␉␉␉= 0x0301,␊
497␉OUTPUT_HEADPHONES␉␉␉␉␉␉␉␉= 0x0302,␊
498␉OUTPUT_HEAD_MOUNTED_DISPLAY_AUDIO␉␉␉␉= 0x0303,␊
499␉OUTPUT_DESKTOP_SPEAKER␉␉␉␉␉␉␉= 0x0304,␊
500␉OUTPUT_ROOM_SPEAKER␉␉␉␉␉␉␉␉= 0x0305,␊
501␉OUTPUT_COMMUNICATION_SPEAKER␉␉␉␉␉= 0x0306,␊
502␉OUTPUT_LOW_FREQUENCY_EFFECTS_SPEAKER␉␉␉= 0x0307␊
503};␊
504␊
505// Bi-directional terminal types␊
506enum {␊
507␉BIDIRECTIONAL_UNDEFINED␉␉␉␉␉␉␉= 0x0400,␊
508␉BIDIRECTIONAL_HANDSET␉␉␉␉␉␉␉= 0x0401,␊
509␉BIDIRECTIONAL_HEADSET␉␉␉␉␉␉␉= 0x0402,␊
510␉BIDIRECTIONAL_SPEAKERPHONE_NO_ECHO_REDX␉␉␉= 0x0403,␊
511␉BIDIRECTIONAL_ECHO_SUPPRESSING_SPEAKERPHONE␉␉= 0x0404,␊
512␉BIDIRECTIONAL_ECHO_CANCELING_SPEAKERPHONE␉␉= 0x0405␊
513};␊
514␊
515// Telephony terminal types␊
516enum {␊
517␉TELEPHONY_UNDEFINED␉␉␉␉␉␉␉␉= 0x0500,␊
518␉TELEPHONY_PHONE_LINE␉␉␉␉␉␉␉= 0x0501,␊
519␉TELEPHONY_TELEPHONE␉␉␉␉␉␉␉␉= 0x0502,␊
520␉TELEPHONY_DOWN_LINE_PHONE␉␉␉␉␉␉= 0x0503␊
521};␊
522␊
523// External terminal types␊
524enum {␊
525␉EXTERNAL_UNDEFINED␉␉␉␉␉␉␉␉= 0x0600,␊
526␉EXTERNAL_ANALOG_CONNECTOR␉␉␉␉␉␉= 0x0601,␊
527␉EXTERNAL_DIGITAL_AUDIO_INTERFACE␉␉␉␉= 0x0602,␊
528␉EXTERNAL_LINE_CONNECTOR␉␉␉␉␉␉␉= 0x0603,␊
529␉EXTERNAL_LEGACY_AUDIO_CONNECTOR␉␉␉␉␉= 0x0604,␊
530␉EXTERNAL_SPDIF_INTERFACE␉␉␉␉␉␉= 0x0605,␊
531␉EXTERNAL_1394_DA_STREAM␉␉␉␉␉␉␉= 0x0606,␊
532␉EXTERNAL_1394_DV_STREAM_SOUNDTRACK␉␉␉␉= 0x0607,␊
533␉EXTERNAL_ADAT␉␉␉␉␉␉␉␉␉= 0x0608,␊
534␉EXTERNAL_TDIF␉␉␉␉␉␉␉␉␉= 0x0609,␊
535␉EXTERNAL_MADI␉␉␉␉␉␉␉␉␉= 0x060A␊
536};␊
537␊
538// Embedded terminal types␊
539enum {␊
540␉EMBEDDED_UNDEFINED␉␉␉␉␉␉␉␉= 0x0700,␊
541␉EMBEDDED_LEVEL_CALIBRATION_NOISE_SOURCE␉␉␉= 0x0701,␊
542␉EMBEDDED_EQUALIZATION_NOISE␉␉␉␉␉␉= 0x0702,␊
543␉EMBEDDED_CD_PLAYER␉␉␉␉␉␉␉␉= 0x0703,␊
544␉EMBEDDED_DAT␉␉␉␉␉␉␉␉␉= 0x0704,␊
545␉EMBEDDED_DCC␉␉␉␉␉␉␉␉␉= 0x0705,␊
546␉EMBEDDED_MINIDISK␉␉␉␉␉␉␉␉= 0x0706,␊
547␉EMBEDDED_ANALOG_TAPE␉␉␉␉␉␉␉= 0x0707,␊
548␉EMBEDDED_PHONOGRAPH␉␉␉␉␉␉␉␉= 0x0708,␊
549␉EMBEDDED_VCR_AUDIO␉␉␉␉␉␉␉␉= 0x0709,␊
550␉EMBEDDED_VIDEO_DISC_AUDIO␉␉␉␉␉␉= 0x070A,␊
551␉EMBEDDED_DVD_AUDIO␉␉␉␉␉␉␉␉= 0x070B,␊
552␉EMBEDDED_TV_TUNER_AUDIO␉␉␉␉␉␉␉= 0x070C,␊
553␉EMBEDDED_SATELLITE_RECEIVER_AUDIO␉␉␉␉= 0x070D,␊
554␉EMBEDDED_CABLE_TUNER_AUDIO␉␉␉␉␉␉= 0x070E,␊
555␉EMBEDDED_DSS_AUDIO␉␉␉␉␉␉␉␉= 0x070F,␊
556␉EMBEDDED_RADIO_RECEIVER␉␉␉␉␉␉␉= 0x0710,␊
557␉EMBEDDED_RADIO_TRANSMITTER␉␉␉␉␉␉= 0x0711,␊
558␉EMBEDDED_MULTITRACK_RECORDER␉␉␉␉␉= 0x0712,␊
559␉EMBEDDED_SYNTHESIZER␉␉␉␉␉␉␉= 0x0713␊
560};␊
561␊
562// Processing terminal types␊
563enum {␊
564␉PROCESSOR_UNDEFINED␉␉␉␉␉␉␉␉= 0x0800,␊
565␉PROCESSOR_GENERAL␉␉␉␉␉␉␉␉= 0x0801␊
566};␊
567␊
568//␉Channel spatial position types␊
569␊
570#ifndef __OPEN_SOURCE__␊
571//␉<rdar://6868206>␉NOTE: the following are derived from CoreAudioTypes.h␊
572#endif␊
573␊
574#define␉kIOAudioChannelLabel_Discrete_field_ba␉␉16␊
575enum {␊
576 kIOAudioChannelLabel_Unknown = 0xFFFFFFFF, // unknown or unspecified other use␊
577 kIOAudioChannelLabel_Unused = 0, // channel is present, but has no intended use or destination␊
578 kIOAudioChannelLabel_UseCoordinates = 100, // channel is described by the mCoordinates fields.␊
579␉␊
580 kIOAudioChannelLabel_Left = 1,␊
581 kIOAudioChannelLabel_Right = 2,␊
582 kIOAudioChannelLabel_Center = 3,␊
583 kIOAudioChannelLabel_LFEScreen = 4,␊
584 kIOAudioChannelLabel_LeftSurround = 5, // WAVE: "Back Left"␊
585 kIOAudioChannelLabel_RightSurround = 6, // WAVE: "Back Right"␊
586 kIOAudioChannelLabel_LeftCenter = 7,␊
587 kIOAudioChannelLabel_RightCenter = 8,␊
588 kIOAudioChannelLabel_CenterSurround = 9, // WAVE: "Back Center" or plain "Rear Surround"␊
589 kIOAudioChannelLabel_LeftSurroundDirect = 10, // WAVE: "Side Left"␊
590 kIOAudioChannelLabel_RightSurroundDirect = 11, // WAVE: "Side Right"␊
591 kIOAudioChannelLabel_TopCenterSurround = 12,␊
592 kIOAudioChannelLabel_VerticalHeightLeft = 13, // WAVE: "Top Front Left"␊
593 kIOAudioChannelLabel_VerticalHeightCenter = 14, // WAVE: "Top Front Center"␊
594 kIOAudioChannelLabel_VerticalHeightRight = 15, // WAVE: "Top Front Right"␊
595␉␊
596 kIOAudioChannelLabel_TopBackLeft = 16,␊
597 kIOAudioChannelLabel_TopBackCenter = 17,␊
598 kIOAudioChannelLabel_TopBackRight = 18,␊
599␉␊
600 kIOAudioChannelLabel_RearSurroundLeft = 33,␊
601 kIOAudioChannelLabel_RearSurroundRight = 34,␊
602 kIOAudioChannelLabel_LeftWide = 35,␊
603 kIOAudioChannelLabel_RightWide = 36,␊
604 kIOAudioChannelLabel_LFE2 = 37,␊
605 kIOAudioChannelLabel_LeftTotal = 38, // matrix encoded 4 channels␊
606 kIOAudioChannelLabel_RightTotal = 39, // matrix encoded 4 channels␊
607 kIOAudioChannelLabel_HearingImpaired = 40,␊
608 kIOAudioChannelLabel_Narration = 41,␊
609 kIOAudioChannelLabel_Mono = 42,␊
610 kIOAudioChannelLabel_DialogCentricMix = 43,␊
611␉␊
612 kIOAudioChannelLabel_CenterSurroundDirect = 44, // back center, non diffuse␊
613 ␊
614 kIOAudioChannelLabel_Haptic = 45,␊
615␉␊
616 // first order ambisonic channels␊
617 kIOAudioChannelLabel_Ambisonic_W = 200,␊
618 kIOAudioChannelLabel_Ambisonic_X = 201,␊
619 kIOAudioChannelLabel_Ambisonic_Y = 202,␊
620 kIOAudioChannelLabel_Ambisonic_Z = 203,␊
621␉␊
622 // Mid/Side Recording␊
623 kIOAudioChannelLabel_MS_Mid = 204,␊
624 kIOAudioChannelLabel_MS_Side = 205,␊
625␉␊
626 // X-Y Recording␊
627 kIOAudioChannelLabel_XY_X = 206,␊
628 kIOAudioChannelLabel_XY_Y = 207,␊
629␉␊
630 // other␊
631 kIOAudioChannelLabel_HeadphonesLeft = 301,␊
632 kIOAudioChannelLabel_HeadphonesRight = 302,␊
633 kIOAudioChannelLabel_ClickTrack = 304,␊
634 kIOAudioChannelLabel_ForeignLanguage = 305,␊
635␉␊
636 // generic discrete channel␊
637 kIOAudioChannelLabel_Discrete = 400,␊
638␉␊
639 // numbered discrete channel␊
640 kIOAudioChannelLabel_Discrete_0 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 0,␊
641 kIOAudioChannelLabel_Discrete_1 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 1,␊
642 kIOAudioChannelLabel_Discrete_2 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 2,␊
643 kIOAudioChannelLabel_Discrete_3 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 3,␊
644 kIOAudioChannelLabel_Discrete_4 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 4,␊
645 kIOAudioChannelLabel_Discrete_5 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 5,␊
646 kIOAudioChannelLabel_Discrete_6 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 6,␊
647 kIOAudioChannelLabel_Discrete_7 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 7,␊
648 kIOAudioChannelLabel_Discrete_8 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 8,␊
649 kIOAudioChannelLabel_Discrete_9 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 9,␊
650 kIOAudioChannelLabel_Discrete_10 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 10,␊
651 kIOAudioChannelLabel_Discrete_11 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 11,␊
652 kIOAudioChannelLabel_Discrete_12 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 12,␊
653 kIOAudioChannelLabel_Discrete_13 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 13,␊
654 kIOAudioChannelLabel_Discrete_14 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 14,␊
655 kIOAudioChannelLabel_Discrete_15 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 15,␊
656 kIOAudioChannelLabel_Discrete_65535 = ( 1 << kIOAudioChannelLabel_Discrete_field_ba ) | 65535␊
657};␊
658␊
659␊
660␊
661#endif /* _IOKIT_IOAUDIOTYPES_H */␊
662

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