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Diffstat (limited to 'gr-audio/lib/oss/oss_source.h')
| -rw-r--r-- | gr-audio/lib/oss/oss_source.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gr-audio/lib/oss/oss_source.h b/gr-audio/lib/oss/oss_source.h new file mode 100644 index 0000000000..bf5183bd32 --- /dev/null +++ b/gr-audio/lib/oss/oss_source.h @@ -0,0 +1,62 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004-2011,2013 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_AUDIO_OSS_SOURCE_H +#define INCLUDED_AUDIO_OSS_SOURCE_H + +#include <audio/source.h> +#include <string> + +namespace gr { + namespace audio { + + /*! + * \brief audio source using OSS + * \ingroup audio_blk + * + * Output signature is one or two streams of floats. + * Output samples will be in the range [-1,1]. + */ + class oss_source : public source + { + int d_sampling_rate; + std::string d_device_name; + int d_fd; + short *d_buffer; + int d_chunk_size; + + public: + oss_source(int sampling_rate, + const std::string device_name = "", + bool ok_to_block = true); + + ~oss_source(); + + int work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + }; + + } /* namespace audio */ +} /* namespace gr */ + +#endif /* INCLUDED_AUDIO_OSS_SOURCE_H */ |