![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to audio_server.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple Darwin 0.x] / driverkit / libDriver / Kernel|
Return to audio_server.h CVS log | Up to [Apple Darwin 0.x] / driverkit / libDriver / Kernel |
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_server.h
26: *
27: * Copyright (c) 1991, NeXT Computer, Inc. All rights reserved.
28: *
29: * Server routine prototypes.
30: *
31: * HISTORY
32: * 06/26/92/mtm Original coding.
33: */
34:
35: #import "AudioChannel.h"
36: #import "InputStream.h"
37: #import "OutputStream.h"
38: #import <bsd/dev/audioTypes.h>
39: #import <mach/mach_types.h>
40:
41: extern boolean_t audio_server(msg_header_t *InHeadP, msg_header_t *OutHeadP);
42: extern void audio_port_gone(port_t port);
43:
44: #define AUDIO_USER_MSG_BASE 700 /* MUST MATCH audio.defs! */
45:
46: /*
47: * snd_server interface needs these prototypes.
48: */
49: extern kern_return_t _NXAudioGetExclusiveUser(AudioChannel *chan,
50: port_t *stream_owner);
51: extern kern_return_t _NXAudioSetExclusiveUser(AudioChannel *chan,
52: port_t stream_owner);
53: extern kern_return_t _NXAudioGetBufferOptions(AudioChannel *chan, u_int *size,
54: u_int *count);
55: extern kern_return_t _NXAudioSetBufferOptions(AudioChannel *chan,
56: port_t stream_owner,
57: u_int size, u_int count);
58: extern kern_return_t _NXAudioControlStreams(AudioChannel *chan,
59: port_t stream_owner,
60: int action);
61: extern kern_return_t _NXAudioAddStream(AudioChannel *chan, port_t *stream_port,
62: port_t stream_owner, int stream_id,
63: u_int stream_type);
64: extern kern_return_t _NXAudioGetDevicePeakOptions(AudioChannel *chan,
65: u_int *enabled,
66: u_int *history);
67: extern kern_return_t _NXAudioSetDevicePeakOptions(AudioChannel *chan,
68: port_t stream_owner,
69: u_int enabled,
70: u_int history);
71: extern kern_return_t _NXAudioGetDevicePeak(AudioChannel *chan,
72: u_int *peak_left,
73: u_int *peak_right);
74: extern kern_return_t _NXAudioGetClipCount(AudioChannel *chan, u_int *count);
75: extern kern_return_t _NXAudioGetSndoutOptions(AudioChannel *chan,
76: u_int *bits);
77: extern kern_return_t _NXAudioSetSndoutOptions(AudioChannel *chan,
78: port_t stream_owner,
79: u_int bits);
80: extern kern_return_t _NXAudioGetSpeaker(AudioChannel *chan, int *left,
81: int *right);
82: extern kern_return_t _NXAudioSetSpeaker(AudioChannel *chan,
83: port_t stream_owner,
84: int left, int right);
85: extern kern_return_t _NXAudioSetStreamGain(OutputStream *stream, int left,
86: int right);
87: extern kern_return_t _NXAudioChangeStreamOwner(AudioStream *stream,
88: port_t stream_owner);
89: extern kern_return_t _NXAudioStreamControl(AudioStream *stream, int action,
90: audio_time_t time);
91: extern kern_return_t _NXAudioStreamInfo(AudioStream *stream,
92: u_int *bytes_processed,
93: u_int *time_stamp);
94: extern kern_return_t _NXAudioRemoveStream(AudioStream *stream);
95: extern kern_return_t _NXAudioPlayStream(OutputStream *stream, pointer_t data,
96: u_int count, int tag,
97: int channel_count,
98: int sample_rate,
99: u_int left_gain, u_int right_gain,
100: u_int low_water, u_int high_water,
101: port_t reply_port, u_int messages);
102: extern kern_return_t _NXAudioPlayStreamData(OutputStream *stream,
103: pointer_t data,
104: u_int count, int tag,
105: port_t reply_port, u_int messages);
106: extern kern_return_t _NXAudioSetStreamPeakOptions(OutputStream *stream,
107: u_int enabled,
108: u_int history);
109: extern kern_return_t _NXAudioGetStreamPeak(OutputStream *stream,
110: u_int *peak_left,
111: u_int *peak_right);
112: extern kern_return_t _NXAudioRecordStream(InputStream *stream, u_int count,
113: int tag,
114: u_int low_water, u_int high_water,
115: port_t reply_port, u_int messages);
116: extern kern_return_t _NXAudioRecordStreamData(InputStream *stream, u_int count,
117: int tag,
118: port_t reply_port,
119: u_int messages);
120: extern kern_return_t _NXAudioSetStreamParameters(AudioStream *stream,
121: audio_array_t params,
122: u_int count,
123: audio_array_t values);
124: extern kern_return_t _NXAudioGetSamplingRates(AudioChannel *chan,
125: int *continuous,
126: int *low, int *high,
127: audio_array_t rates,
128: u_int *count);
129: extern kern_return_t _NXAudioGetDataEncodings(AudioChannel *chan,
130: audio_array_t encodings,
131: u_int *count);
132: extern kern_return_t _NXAudioGetChannelCountLimit(AudioChannel *chan,
133: u_int *count);
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.