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/* -*- c++ -*- */
/*
* Copyright 2004,2006 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 2, 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_sync_block.h>
#include <string>
class audio_oss_source;
typedef boost::shared_ptr<audio_oss_source> audio_oss_source_sptr;
audio_oss_source_sptr
audio_oss_make_source (int sampling_rate,
const std::string dev = "",
bool ok_to_block = true);
/*!
* \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 gr_sync_block {
friend audio_oss_source_sptr
audio_oss_make_source (int sampling_rate, const std::string device_name, bool ok_to_block);
int d_sampling_rate;
std::string d_device_name;
int d_fd;
short *d_buffer;
int d_chunk_size;
protected:
audio_oss_source (int sampling_rate,
const std::string device_name = "",
bool ok_to_block = true);
public:
~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 */
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