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
|
/* -*- c++ -*- */
/*
* Copyright 2004-2011 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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 3, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_AUDIO_OSS_SOURCE_H
#define INCLUDED_AUDIO_OSS_SOURCE_H
#include <gr_audio_source.h>
#include <string>
/*!
* \brief audio source using OSS
*
* Output signature is one or two streams of floats.
* Output samples will be in the range [-1,1].
*/
class audio_oss_source : public audio_source {
int d_sampling_rate;
std::string d_device_name;
int d_fd;
short *d_buffer;
int d_chunk_size;
public:
audio_oss_source (int sampling_rate,
const std::string device_name = "",
bool ok_to_block = true);
~audio_oss_source ();
int work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
#endif /* INCLUDED_AUDIO_OSS_SOURCE_H */
|
