GNU Radio Manual and C++ API Reference  3.7.9.2
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atsc_consts.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2014 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
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22 
23 #ifndef INCLUDED_DTV_ATSC_CONSTS_H
24 #define INCLUDED_DTV_ATSC_CONSTS_H
25 
26 #include <gnuradio/dtv/api.h>
27 
28 namespace gr {
29  namespace dtv {
30 
31  // These will go into an mpeg_consts.h once other mod/demods are done
32  static const int ATSC_MPEG_DATA_LENGTH = 187;
33  static const int ATSC_MPEG_PKT_LENGTH = 188; // sync + data
34  static const int ATSC_MPEG_RS_ENCODED_LENGTH = 207;
35  static const int MPEG_SYNC_BYTE = 0x47;
36  static const int MPEG_TRANSPORT_ERROR_BIT = 0x80; // top bit of byte after SYNC
37 
38  // ATSC specific constants
39  static const double ATSC_SYMBOL_RATE = 4.5e6/286*684; // ~10.76 MHz
40  static const double ATSC_DATA_SEGMENT_RATE = ATSC_SYMBOL_RATE/832; // ~12.935 kHz
41  static const int ATSC_DATA_SEGMENT_LENGTH = 832; // includes 4 sync symbols at beginning
42  static const int ATSC_DSEGS_PER_FIELD = 312; // regular data segs / field
43 
44  } /* namespace dtv */
45 } /* namespace gr */
46 
47 #endif /* INCLUDED_DTV_ATSC_CONSTS_H */
static const int ATSC_DSEGS_PER_FIELD
Definition: atsc_consts.h:42
static const int MPEG_TRANSPORT_ERROR_BIT
Definition: atsc_consts.h:36
static const double ATSC_SYMBOL_RATE
Definition: atsc_consts.h:39
static const int ATSC_DATA_SEGMENT_LENGTH
Definition: atsc_consts.h:41
static const double ATSC_DATA_SEGMENT_RATE
Definition: atsc_consts.h:40
Include this header to use the message passing features.
Definition: logger.h:131
static const int ATSC_MPEG_RS_ENCODED_LENGTH
Definition: atsc_consts.h:34
static const int ATSC_MPEG_PKT_LENGTH
Definition: atsc_consts.h:33
static const int MPEG_SYNC_BYTE
Definition: atsc_consts.h:35
static const int ATSC_MPEG_DATA_LENGTH
Definition: atsc_consts.h:32