GNU Radio Manual and C++ API Reference  3.7.9.2
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field_sync_demux.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2006 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
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)
10  * any later version.
11  *
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.
16  *
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,
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21  */
22 #ifndef INCLUDED_ATSC_FIELD_SYNC_DEMUX_H
23 #define INCLUDED_ATSC_FIELD_SYNC_DEMUX_H
24 
25 #include <gnuradio/atsc/api.h>
26 #include <gnuradio/block.h>
27 #include <gnuradio/atsc/types.h>
28 
30 typedef boost::shared_ptr<atsc_field_sync_demux> atsc_field_sync_demux_sptr;
31 
32 ATSC_API atsc_field_sync_demux_sptr atsc_make_field_sync_demux();
33 
34 /*!
35  * \brief ATSC Field Sync Demux
36  *
37  * This class accepts 1 stream of floats (data), and 1 stream of tags (syminfo). * It outputs one stream of atsc_soft_data_segment packets
38  * \ingroup atsc
39  *
40  */
42 {
43  friend ATSC_API atsc_field_sync_demux_sptr atsc_make_field_sync_demux();
44 
46 
47 public:
48  void forecast (int noutput_items, gr_vector_int &ninput_items_required);
49 
50  int general_work (int noutput_items,
51  gr_vector_int &ninput_items,
52  gr_vector_const_void_star &input_items,
53  gr_vector_void_star &output_items);
54 
55 
56  int work (int noutput_items,
57  gr_vector_const_void_star &input_items,
58  gr_vector_void_star &output_items);
59 
60  void reset() { /* nop */ }
61 
62 protected:
63  bool d_locked;
66  uint64_t d_next_input;
67  uint64_t d_lost_index; // diagnostic fluff
68 
69  unsigned long long d_inputs0_index; // for inputs[0].index
70  unsigned long d_inputs0_size; // for inputs[0].size
71  int d_consume;
72 
73 };
74 
75 
76 #endif /* INCLUDED_ATSC_FIELD_SYNC_DEMUX_H */
#define ATSC_API
Definition: gr-atsc/include/gnuradio/atsc/api.h:30
void reset()
Definition: field_sync_demux.h:60
uint64_t d_lost_index
Definition: field_sync_demux.h:67
unsigned long d_inputs0_size
Definition: field_sync_demux.h:70
std::vector< const void * > gr_vector_const_void_star
Definition: gnuradio-runtime/include/gnuradio/types.h:38
std::vector< void * > gr_vector_void_star
Definition: gnuradio-runtime/include/gnuradio/types.h:37
std::vector< int > gr_vector_int
Definition: gnuradio-runtime/include/gnuradio/types.h:33
bool d_in_field2
Definition: field_sync_demux.h:64
virtual void forecast(int noutput_items, gr_vector_int &ninput_items_required)
Estimate input requirements given output request.
unsigned long long d_inputs0_index
Definition: field_sync_demux.h:69
int d_segment_number
Definition: field_sync_demux.h:65
virtual int general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
compute output items from input items
uint64_t d_next_input
Definition: field_sync_demux.h:66
bool d_locked
Definition: field_sync_demux.h:63
int d_consume
Definition: field_sync_demux.h:71
ATSC Field Sync Demux.
Definition: field_sync_demux.h:41
The abstract base class for all 'terminal' processing blocks.A signal processing flow is constructed ...
Definition: block.h:60
ATSC_API atsc_field_sync_demux_sptr atsc_make_field_sync_demux()