/[pcsx2_0.9.7]/trunk/3rdparty/portaudio/pablio/pablio.h
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Contents of /trunk/3rdparty/portaudio/pablio/pablio.h

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Revision 273 - (show annotations) (download)
Fri Nov 12 01:10:22 2010 UTC (9 years, 2 months ago) by william
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Auto Commited Import of: pcsx2-0.9.7-DEBUG (upstream: v0.9.7.4013 local: v0.9.7.197-latest) in ./trunk
1 #ifndef _PABLIO_H
2 #define _PABLIO_H
3
4 #ifdef __cplusplus
5 extern "C"
6 {
7 #endif /* __cplusplus */
8
9 /*
10 * $Id: pablio.h 1083 2006-08-23 07:30:49Z rossb $
11 * PABLIO.h
12 * Portable Audio Blocking read/write utility.
13 *
14 * Author: Phil Burk, http://www.softsynth.com/portaudio/
15 *
16 * Include file for PABLIO, the Portable Audio Blocking I/O Library.
17 * PABLIO is built on top of PortAudio, the Portable Audio Library.
18 * For more information see: http://www.portaudio.com
19 * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
20 *
21 * Permission is hereby granted, free of charge, to any person obtaining
22 * a copy of this software and associated documentation files
23 * (the "Software"), to deal in the Software without restriction,
24 * including without limitation the rights to use, copy, modify, merge,
25 * publish, distribute, sublicense, and/or sell copies of the Software,
26 * and to permit persons to whom the Software is furnished to do so,
27 * subject to the following conditions:
28 *
29 * The above copyright notice and this permission notice shall be
30 * included in all copies or substantial portions of the Software.
31 *
32 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
33 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
34 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
35 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
36 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
37 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
38 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
39 */
40
41 /*
42 * The text above constitutes the entire PortAudio license; however,
43 * the PortAudio community also makes the following non-binding requests:
44 *
45 * Any person wishing to distribute modifications to the Software is
46 * requested to send the modifications to the original developer so that
47 * they can be incorporated into the canonical version. It is also
48 * requested that these non-binding requests be included along with the
49 * license above.
50 */
51
52 #include <stdio.h>
53 #include <stdlib.h>
54 #include <math.h>
55 #include "portaudio.h"
56 #include "ringbuffer.h"
57 #include <string.h>
58
59 typedef struct
60 {
61 RingBuffer inFIFO;
62 RingBuffer outFIFO;
63 PortAudioStream *stream;
64 int bytesPerFrame;
65 int samplesPerFrame;
66 }
67 PABLIO_Stream;
68
69 /* Values for flags for OpenAudioStream(). */
70 #define PABLIO_READ (1<<0)
71 #define PABLIO_WRITE (1<<1)
72 #define PABLIO_READ_WRITE (PABLIO_READ|PABLIO_WRITE)
73 #define PABLIO_MONO (1<<2)
74 #define PABLIO_STEREO (1<<3)
75
76 /************************************************************
77 * Write data to ring buffer.
78 * Will not return until all the data has been written.
79 */
80 long WriteAudioStream( PABLIO_Stream *aStream, void *data, long numFrames );
81
82 /************************************************************
83 * Read data from ring buffer.
84 * Will not return until all the data has been read.
85 */
86 long ReadAudioStream( PABLIO_Stream *aStream, void *data, long numFrames );
87
88 /************************************************************
89 * Return the number of frames that could be written to the stream without
90 * having to wait.
91 */
92 long GetAudioStreamWriteable( PABLIO_Stream *aStream );
93
94 /************************************************************
95 * Return the number of frames that are available to be read from the
96 * stream without having to wait.
97 */
98 long GetAudioStreamReadable( PABLIO_Stream *aStream );
99
100 /************************************************************
101 * Opens a PortAudio stream with default characteristics.
102 * Allocates PABLIO_Stream structure.
103 *
104 * flags parameter can be an ORed combination of:
105 * PABLIO_READ, PABLIO_WRITE, or PABLIO_READ_WRITE,
106 * and either PABLIO_MONO or PABLIO_STEREO
107 */
108 PaError OpenAudioStream( PABLIO_Stream **aStreamPtr, double sampleRate,
109 PaSampleFormat format, long flags );
110
111 PaError CloseAudioStream( PABLIO_Stream *aStream );
112
113 #ifdef __cplusplus
114 }
115 #endif /* __cplusplus */
116 #endif /* _PABLIO_H */

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