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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24: /*
25: * audio.defs
26: * MIG interface to audio driver kernel server.
27: */
28: subsystem audio 700;
29:
30: #include <mach/std_types.defs>
31:
32: type audio_time_t = struct [2] of int;
33: type u_int = MSG_TYPE_INTEGER_32;
34: type audio_var_array_t = array [*:256] of int;
35: type audio_array_t = array [256] of int;
36: type audio_name_t = array [*:256] of char;
37:
38: /*
39: * Mig calls these to convert the port a message is
40: * received on into each routine's first argument.
41: */
42: type audio_device_t = port_t
43: intran: audio_device_t audio_port_to_device(port_t);
44: type audio_stream_t = port_t
45: intran: audio_stream_t audio_port_to_stream(port_t);
46:
47: import <bsd/dev/audioTypes.h>;
48:
49: serverprefix _NXAudio;
50: userprefix _NXAudio;
51:
52: /**************************
53: * Generic device routines.
54: **************************/
55:
56: /*
57: * Establish exclusive use of streams.
58: */
59: routine GetExclusiveUser (
60: devicePort : audio_device_t;
61: out streamOwner : port_t;
62: waittime timeout : int);
63:
64: routine SetExclusiveUser (
65: devicePort : audio_device_t;
66: streamOwner : port_t;
67: waittime timeout : int);
68:
69: /*
70: * Get and set dma buffer and memory wiring options.
71: */
72: routine GetBufferOptions (
73: devicePort : audio_device_t;
74: out dmaSize : u_int;
75: out dmaCount : u_int;
76: waittime timeout : int);
77:
78: routine SetBufferOptions (
79: devicePort : audio_device_t;
80: streamOwner : port_t;
81: dmaSize : u_int;
82: dmaCount : u_int;
83: waittime timeout : int);
84:
85: /*
86: * Stream control of owned streams.
87: */
88: routine ControlStreams (
89: devicePort : audio_device_t;
90: streamOwner : port_t;
91: action : int;
92: waittime timeout : int);
93:
94: /*
95: * Add a stream.
96: */
97: routine AddStream (
98: devicePort : audio_device_t;
99: out streamPort : port_t;
100: streamOwner : port_t;
101: streamId : int;
102: streamType : u_int;
103: waittime timeout : int);
104:
105: /*
106: * Get and set peak detection options.
107: */
108: routine GetDevicePeakOptions (
109: devicePort : audio_device_t;
110: out enabled : u_int;
111: out history : u_int;
112: waittime timeout : int);
113:
114: routine SetDevicePeakOptions (
115: devicePort : audio_device_t;
116: streamOwner : port_t;
117: enabled : u_int;
118: history : u_int;
119: waittime timeout : int);
120:
121: /*
122: * Get last peak.
123: */
124: routine GetDevicePeak (
125: devicePort : audio_device_t;
126: out peakLeft : u_int;
127: out peakRight : u_int;
128: waittime timeout : int);
129:
130: /*
131: * Get clip count.
132: */
133: routine GetClipCount (
134: devicePort : audio_device_t;
135: out count : u_int;
136: waittime timeout : int);
137:
138: /********************
139: * Soundout routines.
140: ********************/
141:
142: /*
143: * Get and set soundout options.
144: */
145: routine GetSndoutOptions (
146: devicePort : audio_device_t;
147: out bits : u_int;
148: waittime timeout : int);
149:
150: routine SetSndoutOptions (
151: devicePort : audio_device_t;
152: streamOwner : port_t;
153: bits : u_int;
154: waittime timeout : int);
155:
156: /*
157: * Get and set speaker attenuation.
158: */
159: routine GetSpeaker (
160: devicePort : audio_device_t;
161: out left : int;
162: out right : int;
163: waittime timeout : int);
164:
165: routine SetSpeaker (
166: devicePort : audio_device_t;
167: streamOwner : port_t;
168: left : int;
169: right : int;
170: waittime timeout : int);
171:
172: /**************************
173: * Generic stream routines.
174: **************************/
175:
176: /*
177: * Set stream gain.
178: */
179: routine SetStreamGain (
180: streamPort : audio_stream_t;
181: left : int;
182: right : int;
183: waittime timeout : int);
184:
185: /*
186: * Change owner of a stream.
187: */
188: routine ChangeStreamOwner (
189: streamPort : audio_stream_t;
190: streamOwner : port_t;
191: waittime timeout : int);
192:
193: /*
194: * Stream control.
195: */
196: routine StreamControl (
197: streamPort : audio_stream_t;
198: action : int;
199: actionTime : audio_time_t;
200: waittime timeout : int);
201:
202: /*
203: * Stream info.
204: */
205: routine StreamInfo (
206: streamPort : audio_stream_t;
207: out bytesProcessed : u_int;
208: out timeStamp : u_int;
209: waittime timeout : int);
210:
211: /*
212: * Remove a stream.
213: */
214: routine RemoveStream (
215: streamPort : audio_stream_t;
216: waittime timeout : int);
217:
218: /***************************
219: * Playback stream routines.
220: ***************************/
221:
222: /*
223: * Enqueue play request to stream.
224: */
225: routine PlayStream (
226: streamPort : audio_stream_t;
227: data : pointer_t;
228: /* dataCnt : int; */ /* invisible mig arg */
229: tag : int;
230: channelCount : u_int;
231: sampleRate : int;
232: leftGain : u_int;
233: rightGain : u_int;
234: lowWater : u_int;
235: highWater : u_int;
236: streamReply : port_t;
237: messages : u_int;
238: waittime timeout : int);
239:
240: /*
241: * Set peak detection options.
242: */
243: routine SetStreamPeakOptions (
244: streamPort : audio_stream_t;
245: enabled : u_int;
246: history : u_int;
247: waittime timeout : int);
248:
249: /*
250: * Get last peak.
251: */
252: routine GetStreamPeak (
253: streamPort : audio_stream_t;
254: out peakLeft : u_int;
255: out peakRight : u_int;
256: waittime timeout : int);
257:
258: /****************************
259: * Recording stream routines.
260: ****************************/
261:
262: /*
263: * Enqueue record request to stream.
264: */
265: routine RecordStream (
266: streamPort : audio_stream_t;
267: count : u_int;
268: tag : int;
269: lowWater : u_int;
270: highWater : u_int;
271: streamReply : port_t;
272: messages : u_int;
273: waittime timeout : int);
274:
275: /****************************
276: * New for 3.1.
277: ****************************/
278:
279: /*
280: * Play and record with current parameters.
281: */
282:
283: routine PlayStreamData (
284: streamPort : audio_stream_t;
285: data : pointer_t;
286: /* dataCnt : int; */ /* invisible mig arg */
287: tag : int;
288: streamReply : port_t;
289: messages : u_int;
290: waittime timeout : int);
291:
292: routine RecordStreamData (
293: streamPort : audio_stream_t;
294: count : u_int;
295: tag : int;
296: streamReply : port_t;
297: messages : u_int;
298: waittime timeout : int);
299:
300: /*
301: * Generic parameter api.
302: */
303:
304: routine GetDeviceName (
305: devicePort : audio_device_t;
306: out name : audio_name_t;
307: /* out nameCnt : u_int; */ /* invisible mig arg */
308: waittime timeout : int);
309:
310: routine SetDeviceParameters (
311: devicePort : audio_device_t;
312: streamOwner : port_t;
313: params : audio_var_array_t;
314: /* paramsCnt : u_int; */ /* invisible mig arg */
315: values : audio_array_t;
316: waittime timeout : int);
317:
318: routine GetDeviceParameters (
319: devicePort : audio_device_t;
320: params : audio_var_array_t;
321: /* paramsCnt : u_int; */ /* invisible mig arg */
322: out values : audio_array_t;
323: waittime timeout : int);
324:
325: routine GetDeviceSupportedParameters (
326: devicePort : audio_device_t;
327: out params : audio_var_array_t;
328: /* out paramsCnt: u_int; */ /* invisible mig arg */
329: waittime timeout : int);
330:
331: routine GetDeviceParameterValues (
332: devicePort : audio_device_t;
333: param : int;
334: out values : audio_var_array_t;
335: /* out valuesCnt: u_int; */ /* invisible mig arg */
336: waittime timeout : int);
337:
338: routine GetSamplingRates (
339: devicePort : audio_device_t;
340: out continuous : int;
341: out low : int;
342: out high : int;
343: out rates : audio_var_array_t;
344: /* out ratesCnt : u_int; */ /* invisible mig arg */
345: waittime timeout : int);
346:
347: routine GetDataEncodings (
348: devicePort : audio_device_t;
349: out encodings : audio_var_array_t;
350: /* out encodingsCnt : u_int; */ /* invisible mig arg */
351: waittime timeout : int);
352:
353: routine GetChannelCountLimit (
354: devicePort : audio_device_t;
355: out count : u_int;
356: waittime timeout : int);
357:
358: routine SetStreamParameters (
359: streamPort : audio_stream_t;
360: params : audio_var_array_t;
361: /* paramsCnt : u_int; */ /* invisible mig arg */
362: values : audio_array_t;
363: waittime timeout : int);
364:
365: routine GetStreamParameters (
366: streamPort : audio_stream_t;
367: params : audio_var_array_t;
368: /* paramsCnt : u_int; */ /* invisible mig arg */
369: out values : audio_array_t;
370: waittime timeout : int);
371:
372: routine GetStreamSupportedParameters (
373: streamPort : audio_stream_t;
374: out params : audio_var_array_t;
375: /* out paramsCnt: u_int; */ /* invisible mig arg */
376: waittime timeout : int);
377:
378: routine GetStreamParameterValues (
379: streamPort : audio_stream_t;
380: param : int;
381: out values : audio_var_array_t;
382: /* out valuesCnt: u_int; */ /* invisible mig arg */
383: waittime timeout : int);
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