diff options
Diffstat (limited to 'gr-atsc/include/atsc/GrAtscFieldSyncDemux.h')
| -rw-r--r-- | gr-atsc/include/atsc/GrAtscFieldSyncDemux.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gr-atsc/include/atsc/GrAtscFieldSyncDemux.h b/gr-atsc/include/atsc/GrAtscFieldSyncDemux.h new file mode 100644 index 0000000000..248c257914 --- /dev/null +++ b/gr-atsc/include/atsc/GrAtscFieldSyncDemux.h @@ -0,0 +1,60 @@ +/* -*- c++ -*- */ +/* + * Copyright 2002 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 _GRATSCFIELDSYNCDEMUX_H_ +#define _GRATSCFIELDSYNCDEMUX_H_ + +#include <VrDecimatingSigProc.h> +#include <atsc/types.h> + +/*! + * \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 + */ + +class GrAtscFieldSyncDemux : public VrDecimatingSigProc<float,atsc_soft_data_segment> { + + public: + + GrAtscFieldSyncDemux (); + virtual ~GrAtscFieldSyncDemux (); + + virtual const char *name () { return "GrAtscFieldSyncDemux"; } + + virtual int forecast (VrSampleRange output, + VrSampleRange inputs[]); + + virtual int work (VrSampleRange output, void *o[], + VrSampleRange inputs[], void *i[]); + + protected: + + bool d_locked; + bool d_in_field2; + int d_segment_number; + VrSampleIndex d_next_input; + VrSampleIndex d_lost_index; // diagnostic fluff +}; + +#endif // _GRATSCFIELDSYNCDEMUX_H_ |