GNU Radio 3.7.2git-79-g931a7b07 C++ API
wavfile_source.h
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/* -*- c++ -*- */
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/*
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* Copyright 2004,2008,2013 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_GR_WAVFILE_SOURCE_H
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#define INCLUDED_GR_WAVFILE_SOURCE_H
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#include <
gnuradio/blocks/api.h
>
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#include <
gnuradio/sync_block.h
>
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namespace
gr {
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namespace
blocks {
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/*!
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* \brief Read stream from a Microsoft PCM (.wav) file, output floats
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* \ingroup audio_blk
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*
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* \details
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* Unless otherwise called, values are within [-1;1].
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* Check gr_make_wavfile_source() for extra info.
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*/
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class
BLOCKS_API
wavfile_source
:
virtual
public
sync_block
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{
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public
:
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// gr::blocks::wavfile_source::sptr
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typedef
boost::shared_ptr<wavfile_source>
sptr
;
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static
sptr
make(
const
char
*filename,
bool
repeat
=
false
);
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/*!
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* \brief Read the sample rate as specified in the wav file header
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*/
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virtual
unsigned
int
sample_rate()
const
= 0;
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/*!
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* \brief Return the number of bits per sample as specified in
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* the wav file header. Only 8 or 16 bit are supported here.
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*/
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virtual
int
bits_per_sample()
const
= 0;
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/*!
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* \brief Return the number of channels in the wav file as
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* specified in the wav file header. This is also the max number
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* of outputs you can have.
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*/
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virtual
int
channels()
const
= 0;
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};
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}
/* namespace blocks */
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}
/* namespace gr */
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#endif
/* INCLUDED_GR_WAVFILE_SOURCE_H */
gnuradio
gr-blocks
include
gnuradio
blocks
wavfile_source.h
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