comparison usr/src/cmd/audio/include/AudioTypePcm.h @ 0:c9caec207d52 b86

Initial porting based on b86
author Koji Uno <koji.uno@sun.com>
date Tue, 02 Jun 2009 18:56:50 +0900
parents
children 1a15d5aaf794
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equal deleted inserted replaced
-1:000000000000 0:c9caec207d52
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 (c) 1990-2001 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 #ifndef _MULTIMEDIA_AUDIOTYPEPCM_H
28 #define _MULTIMEDIA_AUDIOTYPEPCM_H
29
30 #pragma ident "@(#)AudioTypePcm.h 1.2 05/06/08 SMI"
31
32 #include <AudioTypeConvert.h>
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 // This is the class for a linear PCM conversion module
39
40 class AudioTypePcm : public AudioTypeConvert {
41 protected:
42 typedef unsigned char ulaw;
43 typedef unsigned char alaw;
44
45 // Conversion routines inline'd in the source file
46 double char2dbl(char);
47 double short2dbl(short);
48 double long2dbl(long);
49 long dbl2long(double, long);
50
51 void char2short(char *&, short *&);
52 void char2long(char *&, long *&);
53 void char2float(char *&, float *&);
54 void char2double(char *&, double *&);
55 void char2ulaw(char *&, ulaw *&);
56 void char2alaw(char *&, alaw *&);
57
58 void short2char(short *&, char *&);
59 void short2long(short *&, long *&);
60 void short2float(short *&, float *&);
61 void short2double(short *&, double *&);
62 void short2ulaw(short *&, ulaw *&);
63 void short2alaw(short *&, alaw *&);
64
65 void long2char(long *&, char *&);
66 void long2short(long *&, short *&);
67 void long2float(long *&, float *&);
68 void long2double(long *&, double *&);
69 void long2ulaw(long *&, ulaw *&);
70 void long2alaw(long *&, alaw *&);
71
72 void float2char(float *&, char *&);
73 void float2short(float *&, short *&);
74 void float2long(float *&, long *&);
75 void float2double(float *&, double *&);
76 void float2ulaw(float *&, ulaw *&);
77 void float2alaw(float *&, alaw *&);
78
79 void double2char(double *&, char *&);
80 void double2short(double *&, short *&);
81 void double2long(double *&, long *&);
82 void double2float(double *&, float *&);
83 void double2ulaw(double *&, ulaw *&);
84 void double2alaw(double *&, alaw *&);
85
86 void ulaw2char(ulaw *&, char *&);
87 void ulaw2short(ulaw*&, short *&);
88 void ulaw2long(ulaw*&, long *&);
89 void ulaw2float(ulaw *&, float *&);
90 void ulaw2double(ulaw *&, double *&);
91 void ulaw2alaw(ulaw *&, alaw *&);
92
93 void alaw2ulaw(alaw *&, ulaw *&);
94 void alaw2char(alaw *&, char *&);
95 void alaw2short(alaw *&, short *&);
96 void alaw2long(alaw *&, long *&);
97 void alaw2float(alaw *&, float *&);
98 void alaw2double(alaw *&, double *&);
99
100 public:
101 AudioTypePcm(); // Constructor
102
103 // Class AudioTypeConvert methods specialized here
104
105 // TRUE if conversion ok
106 virtual Boolean CanConvert(
107 AudioHdr h) const; // type to check against
108
109 // Convert buffer to the specified type
110 // Either the input or output type must be handled by this class
111
112 // Convert to new type
113 virtual AudioError Convert(
114 AudioBuffer*& inbuf, // data buffer to process
115 AudioHdr outhdr); // target header
116
117 virtual AudioError Flush(AudioBuffer*& buf);
118 };
119
120 #ifdef __cplusplus
121 }
122 #endif
123
124 #endif /* !_MULTIMEDIA_AUDIOTYPEPCM_H */