1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/******************************************************************************
* recordMyDesktop *
*******************************************************************************
* *
* Copyright (C) 2006,2007,2008 John Varouhakis *
* *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
* *
* *
* *
* For further information contact me at johnvarouhakis@gmail.com *
******************************************************************************/
#ifndef OPENDEV_H
#define OPENDEV_H 1
#include "rmdtypes.h"
#ifdef HAVE_LIBASOUND
/**
* Try to open (alsa) sound device, with the desired parameters,
* and place the obtained ones on their place
*
* \param pcm_dev name of the device
*
* \param channels desired number of channels
* (gets modified with the acieved value)
*
* \param frequency desired frequency(gets modified with the acieved value)
*
* \param buffsize Size of buffer
*
* \param periodsize Size of a period(can be NULL)
*
* \param periodtime Duration of a period(can be NULL)
*
* \param hardpause Set to 1 when the device has to be stopped during pause
* and to 0 when it supports pausing
* (can be NULL)
*
* \returns snd_pcm_t handle on success, NULL on failure
*/
snd_pcm_t *OpenDev( const char *pcm_dev,
unsigned int *channels,
unsigned int *frequency,
snd_pcm_uframes_t *buffsize,
snd_pcm_uframes_t *periodsize,
unsigned int *periodtime,
int *hardpause);
#else
/**
* Try to open (OSS) sound device, with the desired parameters.
*
*
* \param pcm_dev name of the device
*
* \param channels desired number of channels
*
* \param frequency desired frequency
*
*
* \returns file descriptor of open device,-1 on failure
*/
int OpenDev( const char *pcm_dev,
unsigned int channels,
unsigned int frequency);
#endif
#endif
|