1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty
the Queen in Right of Canada (Communications Research Center Canada)
Copyright (C) 2017
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
*/
/*
This file is part of ODR-DabMod.
ODR-DabMod 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 of the
License, or (at your option) any later version.
ODR-DabMod 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 ODR-DabMod. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "Buffer.h"
#include "ThreadsafeQueue.h"
#include <sys/types.h>
#include <vector>
#include <memory>
#include <thread>
#include <atomic>
class ModPlugin
{
public:
virtual int process(
std::vector<Buffer*> dataIn,
std::vector<Buffer*> dataOut) = 0;
virtual const char* name() = 0;
};
/* Inputs are sources, the output buffers without reading any */
class ModInput : public ModPlugin
{
public:
virtual int process(
std::vector<Buffer*> dataIn,
std::vector<Buffer*> dataOut);
virtual int process(Buffer* dataOut) = 0;
};
/* Codecs are 1-input 1-output flowgraph plugins */
class ModCodec : public ModPlugin
{
public:
virtual int process(
std::vector<Buffer*> dataIn,
std::vector<Buffer*> dataOut);
virtual int process(Buffer* const dataIn, Buffer* dataOut) = 0;
};
class PipelinedModCodec : public ModCodec
{
public:
PipelinedModCodec();
PipelinedModCodec(const PipelinedModCodec&) = delete;
PipelinedModCodec& operator=(const PipelinedModCodec&) = delete;
PipelinedModCodec(PipelinedModCodec&&) = delete;
PipelinedModCodec& operator=(PipelinedModCodec&&) = delete;
~PipelinedModCodec();
virtual int process(Buffer* const dataIn, Buffer* dataOut) final;
virtual const char* name() = 0;
protected:
void process_thread(void);
virtual int internal_process(Buffer* const dataIn, Buffer* dataOut) = 0;
ThreadsafeQueue<std::shared_ptr<Buffer> > m_input_queue;
ThreadsafeQueue<std::shared_ptr<Buffer> > m_output_queue;
std::atomic<bool> m_running;
size_t m_number_of_runs;
std::thread m_thread;
};
/* Muxes are N-input 1-output flowgraph plugins */
class ModMux : public ModPlugin
{
public:
virtual int process(
std::vector<Buffer*> dataIn,
std::vector<Buffer*> dataOut);
virtual int process(std::vector<Buffer*> dataIn, Buffer* dataOut) = 0;
};
/* Outputs do not create any output buffers */
class ModOutput : public ModPlugin
{
public:
virtual int process(
std::vector<Buffer*> dataIn,
std::vector<Buffer*> dataOut);
virtual int process(Buffer* dataIn) = 0;
};
|
