1 files changed, 85 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..1a12aa905
--- /dev/null
+++ b/gr-blocks/include/blocks/file_source.h
@@ -0,0 +1,85 @@
+/* -*- 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;
+
+      /*!
+       * \brief Create a file source.
+       *
+       * Opens \p filename as a source of items into a flowgraph. The
+       * data is expected to be in binary format, item after item. The
+       * \p itemsize of the block determines the conversion from bits
+       * to items.
+       *
+       * If \p repeat is turned on, the file will repeat the file after
+       * it's reached the end.
+       *
+       * \param itemsize	the size of each item in the file, in bytes
+       * \param filename	name of the file to source from
+       * \param repeat	repeat file from start
+       */
+      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;
+
+      /*!
+       * \brief Opens a new file.
+       *
+       * \param filename	name of the file to source from
+       * \param repeat	repeat file from start
+       */
+      virtual void open(const char *filename, bool repeat) = 0;
+
+      /*!
+       * \brief Close the file handle.
+       */
+      virtual void close() = 0;
+    };
+
+  } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_BLOCKS_FILE_SOURCE_H */