xref: /titanic_41/usr/src/cmd/audio/include/libaudio.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1992-2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _MULTIMEDIA_LIBAUDIO_H
28 #define	_MULTIMEDIA_LIBAUDIO_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <audio_types.h>
33 #include <audio_hdr.h>
34 #include <audio_device.h>
35 #include <audio_errno.h>
36 #include <audio_encode.h>
37 #include <audio/au.h>
38 #include <aiff.h>
39 #include <wav.h>
40 
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
44 
45 /* define various constants for general use */
46 
47 /* Theoretical maximum length of hh:mm:ss.dd string */
48 #define	AUDIO_MAX_TIMEVAL	(32)
49 
50 /* Theoretical maximum length of encoding information string */
51 #define	AUDIO_MAX_ENCODE_INFO	(80)
52 
53 
54 /* Why aren't these stupid values defined in a standard place?! */
55 #ifndef TRUE
56 #define	TRUE	(1)
57 #endif
58 #ifndef FALSE
59 #define	FALSE	(0)
60 #endif
61 #ifndef NULL
62 #define	NULL	0
63 #endif
64 
65 /* Help for endian-ness */
66 #define	SWABI(I)							\
67 	I = (((I >> 24) & 0xff) | ((I & 0xff) << 24) |			\
68 	((I >> 8) & 0xff00) | ((I & 0xff00) << 8))
69 
70 /* Defines for the audio file formats we support */
71 #define	FILE_ERROR	0
72 #define	FILE_AU		1
73 #define	FILE_WAV	2
74 #define	FILE_AIFF	3
75 
76 /* Declare libaudio C routines */
77 
78 /* File Header routines */
79 EXTERN_FUNCTION(int audio_write_filehdr, (int, Audio_hdr *, int, char *,
80 		    unsigned));
81 EXTERN_FUNCTION(int audio_rewrite_filesize, (int, int, unsigned,
82 		    unsigned, unsigned));
83 EXTERN_FUNCTION(int audio_read_filehdr, (int, Audio_hdr*, int *, char *,
84 		    unsigned));
85 EXTERN_FUNCTION(int audio_isaudiofile, (char *));
86 EXTERN_FUNCTION(int audio_decode_filehdr,
87 		    (int, unsigned char *, int *, Audio_hdr *, int *));
88 
89 extern int audio_write_filehdr(int, Audio_hdr *, int, char *, unsigned);
90 extern int audio_rewrite_filesize(int, int, unsigned int, unsigned int,
91 	unsigned int);
92 
93 
94 
95 /* Audio Header routines */
96 EXTERN_FUNCTION(double audio_bytes_to_secs, (Audio_hdr*, unsigned));
97 EXTERN_FUNCTION(unsigned audio_secs_to_bytes, (Audio_hdr*, double));
98 EXTERN_FUNCTION(double audio_str_to_secs, (char *));
99 EXTERN_FUNCTION(char *audio_secs_to_str, (double, char *, int));
100 EXTERN_FUNCTION(int audio_cmp_hdr, (Audio_hdr*, Audio_hdr *));
101 EXTERN_FUNCTION(int audio_enc_to_str, (Audio_hdr*, char *));
102 
103 
104 /* Device Control routines */
105 EXTERN_FUNCTION(int audio_getinfo, (int, Audio_info*));
106 EXTERN_FUNCTION(int audio_setinfo, (int, Audio_info*));
107 EXTERN_FUNCTION(int audio__setplayhdr, (int, Audio_hdr *, unsigned));
108 EXTERN_FUNCTION(int audio__setval, (int, unsigned *, unsigned));
109 EXTERN_FUNCTION(int audio__setgain, (int, double *, unsigned));
110 EXTERN_FUNCTION(int audio__setpause, (int, unsigned));
111 EXTERN_FUNCTION(int audio__flush, (int, unsigned int));
112 EXTERN_FUNCTION(int audio_drain, (int, int));
113 EXTERN_FUNCTION(int audio_play_eof, (int));
114 
115 #ifdef __cplusplus
116 }
117 #endif
118 
119 #endif /* !_MULTIMEDIA_LIBAUDIO_H */
120