Merge commit 'v3.3.0' into upstream

[debian/gnuradio] / gr-atsc / src / lib / atsc_field_sync_demux.h

diff --git a/gr-atsc/src/lib/atsc_field_sync_demux.h b/gr-atsc/src/lib/atsc_field_sync_demux.h
new file mode 100644 (file)
index 0000000..01cc33f
--- /dev/null
+++ b/gr-atsc/src/lib/atsc_field_sync_demux.h
@@ -0,0 +1,75 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006 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_ATSC_FIELD_SYNC_DEMUX_H
+#define INCLUDED_ATSC_FIELD_SYNC_DEMUX_H
+
+#include <gr_block.h>
+#include <atsc_types.h>
+
+class atsc_field_sync_demux;
+typedef boost::shared_ptr<atsc_field_sync_demux> atsc_field_sync_demux_sptr;
+
+atsc_field_sync_demux_sptr atsc_make_field_sync_demux();
+
+/*!
+ * \brief ATSC Field Sync Demux
+ *
+ * This class accepts 1 stream of floats (data), and 1 stream of tags (syminfo). * It outputs one stream of atsc_soft_data_segment packets
+ * \ingroup atsc
+ *
+ */
+class atsc_field_sync_demux : public gr_block
+{
+  friend atsc_field_sync_demux_sptr atsc_make_field_sync_demux();
+
+  atsc_field_sync_demux();
+
+public:
+  void forecast (int noutput_items, gr_vector_int &ninput_items_required);
+
+  int  general_work (int noutput_items,
+                     gr_vector_int &ninput_items,
+                     gr_vector_const_void_star &input_items,
+                     gr_vector_void_star &output_items);
+
+
+  int work (int noutput_items,
+           gr_vector_const_void_star &input_items,
+           gr_vector_void_star &output_items);
+
+  void reset() { /* nop */ }
+
+protected:
+  bool            d_locked;
+  bool            d_in_field2;
+  int             d_segment_number;
+  gr_uint64       d_next_input;
+  gr_uint64       d_lost_index;         // diagnostic fluff
+
+  unsigned long long d_inputs0_index;  // for inputs[0].index
+  unsigned long          d_inputs0_size;               // for inputs[0].size
+  int            d_consume;
+
+};
+
+
+#endif /* INCLUDED_ATSC_FIELD_SYNC_DEMUX_H */