3 * Copyright 2004 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #ifndef INCLUDED_GR_FILE_SOURCE_H
24 #define INCLUDED_GR_FILE_SOURCE_H
26 #include <gr_sync_block.h>
29 typedef boost::shared_ptr<gr_file_source> gr_file_source_sptr;
32 gr_make_file_source (size_t itemsize, const char *filename, bool repeat = false);
35 * \brief Read stream from file
39 class gr_file_source : public gr_sync_block
41 friend gr_file_source_sptr gr_make_file_source (size_t itemsize,
50 gr_file_source (size_t itemsize, const char *filename, bool repeat);
55 int work (int noutput_items,
56 gr_vector_const_void_star &input_items,
57 gr_vector_void_star &output_items);
60 * \brief seek file to \p seek_point relative to \p whence
62 * \param seek_point sample offset in file
63 * \param whence one of SEEK_SET, SEEK_CUR, SEEK_END (man fseek)
65 bool seek (long seek_point, int whence);
68 #endif /* INCLUDED_GR_FILE_SOURCE_H */