1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23/*
24 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
25 */
26
27/*!
28 * @header IOAudioLib
29 * C interface to IOAudio functions
30 */
31
32#ifndef _IOAUDIOLIB_H
33#define _IOAUDIOLIB_H
34
35#include <IOKit/audio/IOAudioTypes.h>
36
37#if 0
38
39#ifdef __cplusplus
40extern "C" {
41#endif
42
43/*!
44 * @function IOAudioIsOutput
45 * @abstract Determines if the audio stream is an output stream
46 * @param service
47 * @param out
48 * @result kern_return_t
49 */
50kern_return_t IOAudioIsOutput(io_service_t service, int *out);
51
52/*!
53 * @function IOAudioFlush
54 * @abstract Indicate the position at which the audio stream can be stopped.
55 * @param connect the audio stream
56 * @param end the position
57 * @result kern_return_t
58 */
59kern_return_t IOAudioFlush(io_connect_t connect, IOAudioStreamPosition *end);
60
61/*!
62 * @function IOAudioSetErase
63 * @abstract Set autoerase flag, returns old value
64 * @param connect the audio stream
65 * @param erase true to turn off, false otherwise
66 * @param oldVal previous value
67 * @result kern_return_t
68 */
69kern_return_t IOAudioSetErase(io_connect_t connect, int erase, int *oldVal);
70
71#ifdef __cplusplus
72}
73#endif
74
75#endif /* 0 */
76
77#endif /* ! _IOAUDIOLIB_H */
78