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Diffstat (limited to 'gnuradio-runtime/include/gr_io_signature.h')
| -rw-r--r-- | gnuradio-runtime/include/gr_io_signature.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/gnuradio-runtime/include/gr_io_signature.h b/gnuradio-runtime/include/gr_io_signature.h new file mode 100644 index 0000000000..345cd6b9d2 --- /dev/null +++ b/gnuradio-runtime/include/gr_io_signature.h @@ -0,0 +1,117 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2007 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_IO_SIGNATURE_H +#define INCLUDED_IO_SIGNATURE_H + +#include <gr_runtime_api.h> +#include <gr_runtime_types.h> + +/*! + * \brief Create an i/o signature + * + * \ingroup internal + * \param min_streams specify minimum number of streams (>= 0) + * \param max_streams specify maximum number of streams (>= min_streams or -1 -> infinite) + * \param sizeof_stream_item specify the size of the items in each stream + */ +GR_RUNTIME_API gr_io_signature_sptr +gr_make_io_signature(int min_streams, int max_streams, + int sizeof_stream_item); + +/*! + * \brief Create an i/o signature + * + * \param min_streams specify minimum number of streams (>= 0) + * \param max_streams specify maximum number of streams (>= min_streams or -1 -> infinite) + * \param sizeof_stream_item1 specify the size of the items in the first stream + * \param sizeof_stream_item2 specify the size of the items in the second and subsequent streams + */ +GR_RUNTIME_API gr_io_signature_sptr +gr_make_io_signature2(int min_streams, int max_streams, + int sizeof_stream_item1, + int sizeof_stream_item2 + ); + +/*! + * \brief Create an i/o signature + * + * \param min_streams specify minimum number of streams (>= 0) + * \param max_streams specify maximum number of streams (>= min_streams or -1 -> infinite) + * \param sizeof_stream_item1 specify the size of the items in the first stream + * \param sizeof_stream_item2 specify the size of the items in the second stream + * \param sizeof_stream_item3 specify the size of the items in the third and subsequent streams + */ +GR_RUNTIME_API gr_io_signature_sptr +gr_make_io_signature3(int min_streams, int max_streams, + int sizeof_stream_item1, + int sizeof_stream_item2, + int sizeof_stream_item3 + ); + +/*! + * \brief Create an i/o signature + * + * \param min_streams specify minimum number of streams (>= 0) + * \param max_streams specify maximum number of streams (>= min_streams or -1 -> infinite) + * \param sizeof_stream_items specify the size of the items in the streams + * + * If there are more streams than there are entries in sizeof_stream_items, the + * value of the last entry in sizeof_stream_items is used for the missing values. + * sizeof_stream_items must contain at least 1 entry. + */ +GR_RUNTIME_API gr_io_signature_sptr +gr_make_io_signaturev(int min_streams, int max_streams, + const std::vector<int> &sizeof_stream_items); + + +/*! + * \brief i/o signature for input and output ports. + * \brief misc + */ +class GR_RUNTIME_API gr_io_signature { + int d_min_streams; + int d_max_streams; + std::vector<int> d_sizeof_stream_item; + + gr_io_signature(int min_streams, int max_streams, + const std::vector<int> &sizeof_stream_items); + + friend GR_RUNTIME_API gr_io_signature_sptr + gr_make_io_signaturev(int min_streams, + int max_streams, + const std::vector<int> &sizeof_stream_items); + + public: + + static const int IO_INFINITE = -1; + + ~gr_io_signature (); + + int min_streams () const { return d_min_streams; } + int max_streams () const { return d_max_streams; } + int sizeof_stream_item (int index) const; + std::vector<int> sizeof_stream_items() const; +}; + + +#endif /* INCLUDED_IO_SIGNATURE_H */ |