diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-04-17 13:43:52 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-04-29 14:52:56 -0400 |
| commit | f3e2e07201c50033bf6c9d0c6a6f068557b4f17f (patch) | |
| tree | 140b3c2d20a951ffd4abd564c3378ee2e2f9fc7c /gr-blocks/include/gnuradio/blocks/wavfile_source.h | |
| parent | 35303ae975a5b1bdecc2492bc96e2b8e89b62a3d (diff) | |
runtime: converting runtime core to gr namespace, gnuradio include dir.
Diffstat (limited to 'gr-blocks/include/gnuradio/blocks/wavfile_source.h')
| -rw-r--r-- | gr-blocks/include/gnuradio/blocks/wavfile_source.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gr-blocks/include/gnuradio/blocks/wavfile_source.h b/gr-blocks/include/gnuradio/blocks/wavfile_source.h new file mode 100644 index 000000000..b8fe4988f --- /dev/null +++ b/gr-blocks/include/gnuradio/blocks/wavfile_source.h @@ -0,0 +1,70 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2008,2013 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_GR_WAVFILE_SOURCE_H +#define INCLUDED_GR_WAVFILE_SOURCE_H + +#include <gnuradio/blocks/api.h> +#include <gnuradio/sync_block.h> + +namespace gr { + namespace blocks { + + /*! + * \brief Read stream from a Microsoft PCM (.wav) file, output floats + * \ingroup audio_blk + * + * \details + * Unless otherwise called, values are within [-1;1]. + * Check gr_make_wavfile_source() for extra info. + */ + class BLOCKS_API wavfile_source : virtual public sync_block + { + public: + // gr::gnuradio/blocks::wavfile_source::sptr + typedef boost::shared_ptr<wavfile_source> sptr; + + static sptr make(const char *filename, bool repeat = false); + + /*! + * \brief Read the sample rate as specified in the wav file header + */ + virtual unsigned int sample_rate() const = 0; + + /*! + * \brief Return the number of bits per sample as specified in + * the wav file header. Only 8 or 16 bit are supported here. + */ + virtual int bits_per_sample() const = 0; + + /*! + * \brief Return the number of channels in the wav file as + * specified in the wav file header. This is also the max number + * of outputs you can have. + */ + virtual int channels() const = 0; + }; + + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* INCLUDED_GR_WAVFILE_SOURCE_H */ |