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

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Tue Sep 7 03:24:11 2010 UTC (10 years, 7 months ago) by william
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committing r3113 initial commit again...
1 william 31 #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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