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Diffstat (limited to 'gr-blocks/include/blocks/file_source.h')
-rw-r--r-- | gr-blocks/include/blocks/file_source.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gr-blocks/include/blocks/file_source.h b/gr-blocks/include/blocks/file_source.h new file mode 100644 index 000000000..6207cdf70 --- /dev/null +++ b/gr-blocks/include/blocks/file_source.h @@ -0,0 +1,57 @@ +/* -*- c++ -*- */ +/* + * Copyright 2012 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_BLOCKS_FILE_SOURCE_H +#define INCLUDED_BLOCKS_FILE_SOURCE_H + +#include <blocks/api.h> +#include <gr_sync_block.h> + +namespace gr { + namespace blocks { + + /*! + * \brief Read stream from file + * \ingroup source_blk + */ + class BLOCKS_API file_source : virtual public gr_sync_block + { + public: + + // gr::blocks::file_source::sptr + typedef boost::shared_ptr<file_source> sptr; + + static sptr make(size_t itemsize, const char *filename, bool repeat = false); + + /*! + * \brief seek file to \p seek_point relative to \p whence + * + * \param seek_point sample offset in file + * \param whence one of SEEK_SET, SEEK_CUR, SEEK_END (man fseek) + */ + virtual bool seek(long seek_point, int whence) = 0; + }; + + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* INCLUDED_BLOCKS_FILE_SOURCE_H */ |