PortAudio 2.0

pa_linux_alsa.h
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1#ifndef PA_LINUX_ALSA_H
2#define PA_LINUX_ALSA_H
3
4/*
5 * $Id$
6 * PortAudio Portable Real-Time Audio Library
7 * ALSA-specific extensions
8 *
9 * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining
12 * a copy of this software and associated documentation files
13 * (the "Software"), to deal in the Software without restriction,
14 * including without limitation the rights to use, copy, modify, merge,
15 * publish, distribute, sublicense, and/or sell copies of the Software,
16 * and to permit persons to whom the Software is furnished to do so,
17 * subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be
20 * included in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
25 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
26 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
27 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 */
30
31/*
32 * The text above constitutes the entire PortAudio license; however,
33 * the PortAudio community also makes the following non-binding requests:
34 *
35 * Any person wishing to distribute modifications to the Software is
36 * requested to send the modifications to the original developer so that
37 * they can be incorporated into the canonical version. It is also
38 * requested that these non-binding requests be included along with the
39 * license above.
40 */
41
47#include "portaudio.h"
48
49#ifdef __cplusplus
50 extern "C" {
51#endif
52
53 typedef struct PaAlsaStreamInfo
54{
55 unsigned long size;
56 PaHostApiTypeId hostApiType;
57 unsigned long version;
58
59 const char *deviceString;
60}
61 PaAlsaStreamInfo;
62
64 void PaAlsa_InitializeStreamInfo( PaAlsaStreamInfo *info );
65
71 void PaAlsa_EnableRealtimeScheduling( PaStream *s, int enable );
72
73#if 0
74 void PaAlsa_EnableWatchdog( PaStream *s, int enable );
75#endif
76
78 PaError PaAlsa_GetStreamInputCard( PaStream *s, int *card );
79
81 PaError PaAlsa_GetStreamOutputCard( PaStream *s, int *card );
82
89 PaError PaAlsa_SetNumPeriods( int numPeriods );
90
94 PaError PaAlsa_SetRetriesBusy( int retries );
95
101 void PaAlsa_SetLibraryPathName( const char *pathName );
102
103#ifdef __cplusplus
104}
105#endif
106
107#endif
PaAlsa_GetStreamOutputCard
PaError PaAlsa_GetStreamOutputCard(PaStream *s, int *card)
PaAlsa_SetRetriesBusy
PaError PaAlsa_SetRetriesBusy(int retries)
PaAlsa_SetLibraryPathName
void PaAlsa_SetLibraryPathName(const char *pathName)
PaAlsa_SetNumPeriods
PaError PaAlsa_SetNumPeriods(int numPeriods)
PaAlsa_GetStreamInputCard
PaError PaAlsa_GetStreamInputCard(PaStream *s, int *card)
PaAlsa_InitializeStreamInfo
void PaAlsa_InitializeStreamInfo(PaAlsaStreamInfo *info)
PaAlsa_EnableRealtimeScheduling
void PaAlsa_EnableRealtimeScheduling(PaStream *s, int enable)
portaudio.h
The portable PortAudio API.
PaStream
void PaStream
Definition: portaudio.h:635
PaError
int PaError
Definition: portaudio.h:121
PaHostApiTypeId
PaHostApiTypeId
Definition: portaudio.h:276
PaAlsaStreamInfo
Definition: pa_linux_alsa.h:54