summaryrefslogtreecommitdiff
path: root/gr-audio/lib/windows/audio_windows_source.h
blob: 9cb7895760119a24d7499e1609703f895783fd96 (plain)
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
/* -*- 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_WINDOWS_SOURCE_H
#define INCLUDED_AUDIO_WINDOWS_SOURCE_H

#include <gr_audio_source.h>
#include <string>

/*!
 * \brief audio source using winmm mmsystem (win32 only)
 * \ingroup audio_blk
 *
 * Output signature is one or two streams of floats.
 * Output samples will be in the range [-1,1].
 */

class audio_windows_source : public audio_source
{

  int    	d_sampling_freq;
  std::string   d_device_name;
  int		d_fd;
  short        *d_buffer;
  int		d_chunk_size;

public:
  audio_windows_source (int sampling_freq, const std::string device_name = "");

  ~audio_windows_source ();

  int
  work (int noutput_items,
	gr_vector_const_void_star & input_items,
	gr_vector_void_star & output_items);
};

#endif /* INCLUDED_AUDIO_WINDOWS_SOURCE_H */