diff options
Diffstat (limited to 'gr-atsc/include/atsc/field_sync_demux.h')
| -rw-r--r-- | gr-atsc/include/atsc/field_sync_demux.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/gr-atsc/include/atsc/field_sync_demux.h b/gr-atsc/include/atsc/field_sync_demux.h new file mode 100644 index 0000000000..bec3590096 --- /dev/null +++ b/gr-atsc/include/atsc/field_sync_demux.h @@ -0,0 +1,76 @@ +/* -*- 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 <atsc/api.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_API 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_API atsc_field_sync_demux : public gr_block +{ + friend ATSC_API 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 */ |