3 * Copyright 2002 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #ifndef _GRATSCFIELDSYNCMUX_H_
24 #define _GRATSCFIELDSYNCMUX_H_
26 #include <VrHistoryProc.h>
27 #include <atsc_types.h>
30 * \brief Insert ATSC Field Syncs as required (atsc_data_segment --> atsc_data_segment)
33 class GrAtscFieldSyncMux : public VrHistoryProc<atsc_data_segment, atsc_data_segment>
38 GrAtscFieldSyncMux ();
39 ~GrAtscFieldSyncMux ();
41 const char *name () { return "GrAtscFieldSyncMux"; }
43 int work (VrSampleRange output, void *o[],
44 VrSampleRange inputs[], void *i[]);
46 int forecast (VrSampleRange output, VrSampleRange inputs[]);
48 void pre_initialize ();
50 static const int N_SAVED_SYMBOLS = 12;
53 VrSampleIndex d_current_index;
54 bool d_already_output_field_sync;
55 unsigned char d_saved_symbols[N_SAVED_SYMBOLS];
58 #endif /* _GRATSCFIELDSYNCMUX_H_ */