/* -*- 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 #include class atsc_field_sync_demux; typedef boost::shared_ptr 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 */