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Root/branches/rewrite/i386/include/IOKit/audio/IOAudioTypes.h

Source at commit 1129 created 12 years 11 months ago.
By meklort, Change options.o so that it reloads the system config as well. Also change it so that it uses that config for variables (NOTE: if the calue exists in chameleonConfig, it's used instead.
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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