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/* -*- c++ -*- */
/*
* Copyright 2004 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_sync_block.h>
#include <string>
class audio_windows_source;
typedef boost::shared_ptr <audio_windows_source> audio_windows_source_sptr;
audio_windows_source_sptr
audio_windows_make_source (int sampling_freq, const std::string dev = "");
/*!
* \brief audio source using winmm mmsystem (win32 only)
*
* Output signature is one or two streams of floats.
* Output samples will be in the range [-1,1].
*/
class audio_windows_source : public gr_sync_block
{
friend
audio_windows_source_sptr
audio_windows_make_source (int sampling_freq,
const std::string device_name);
int d_sampling_freq;
std::string d_device_name;
int d_fd;
short *d_buffer;
int d_chunk_size;
protected:
audio_windows_source (int sampling_freq, const std::string device_name = "");
public:
~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 */
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