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119aff65 JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
6e89374a JH |
21 | #ifndef PULSEVIEW_PV_DATA_DECODERSTACK_H |
22 | #define PULSEVIEW_PV_DATA_DECODERSTACK_H | |
119aff65 JH |
23 | |
24 | #include "signaldata.h" | |
25 | ||
7491a29f | 26 | #include <list> |
708c5523 JH |
27 | |
28 | #include <boost/shared_ptr.hpp> | |
640d69ce | 29 | #include <boost/thread.hpp> |
708c5523 | 30 | |
e0fc5810 | 31 | #include <QObject> |
b6b267bb | 32 | #include <QString> |
e0fc5810 | 33 | |
119aff65 | 34 | struct srd_decoder; |
708c5523 | 35 | struct srd_probe; |
b213ef09 | 36 | struct srd_proto_data; |
b6b267bb | 37 | |
6e89374a JH |
38 | namespace DecoderStackTest { |
39 | class TwoDecoderStack; | |
b6b267bb | 40 | } |
119aff65 JH |
41 | |
42 | namespace pv { | |
708c5523 JH |
43 | |
44 | namespace view { | |
3045c869 | 45 | class LogicSignal; |
e0fc5810 JH |
46 | |
47 | namespace decode { | |
48 | class Annotation; | |
49 | } | |
50 | ||
708c5523 JH |
51 | } |
52 | ||
119aff65 JH |
53 | namespace data { |
54 | ||
7491a29f JH |
55 | namespace decode { |
56 | class Decoder; | |
57 | } | |
58 | ||
640d69ce JH |
59 | class Logic; |
60 | ||
6e89374a | 61 | class DecoderStack : public QObject, public SignalData |
119aff65 | 62 | { |
e0fc5810 JH |
63 | Q_OBJECT |
64 | ||
65 | private: | |
66 | static const double DecodeMargin; | |
67 | static const double DecodeThreshold; | |
68 | static const int64_t DecodeChunkLength; | |
69 | ||
119aff65 | 70 | public: |
6e89374a | 71 | DecoderStack(const srd_decoder *const decoder); |
119aff65 | 72 | |
6e89374a | 73 | virtual ~DecoderStack(); |
640d69ce | 74 | |
7491a29f JH |
75 | const std::list< boost::shared_ptr<decode::Decoder> >& stack() const; |
76 | void push(boost::shared_ptr<decode::Decoder> decoder); | |
613d097c | 77 | void remove(int index); |
119aff65 | 78 | |
e0fc5810 JH |
79 | const std::vector< boost::shared_ptr<pv::view::decode::Annotation> > |
80 | annotations() const; | |
640d69ce | 81 | |
b6b267bb JH |
82 | QString error_message(); |
83 | ||
119aff65 JH |
84 | void clear_snapshots(); |
85 | ||
e0fc5810 JH |
86 | void begin_decode(); |
87 | ||
7491a29f | 88 | private: |
640d69ce JH |
89 | void decode_proc(boost::shared_ptr<data::Logic> data); |
90 | ||
e0fc5810 JH |
91 | static void annotation_callback(srd_proto_data *pdata, |
92 | void *decoder); | |
93 | ||
9cef9567 JH |
94 | signals: |
95 | void new_decode_data(); | |
96 | ||
119aff65 | 97 | private: |
fe89c961 JH |
98 | |
99 | /** | |
100 | * This mutex prevents more than one decode operation occuring | |
101 | * concurrently. | |
102 | * @todo A proper solution should be implemented to allow multiple | |
103 | * decode operations. | |
104 | */ | |
105 | static boost::mutex _global_decode_mutex; | |
106 | ||
7491a29f | 107 | std::list< boost::shared_ptr<decode::Decoder> > _stack; |
e332f6d3 | 108 | |
b6b267bb | 109 | mutable boost::mutex _mutex; |
e0fc5810 JH |
110 | std::vector< boost::shared_ptr<pv::view::decode::Annotation> > |
111 | _annotations; | |
b6b267bb | 112 | QString _error_message; |
e0fc5810 | 113 | |
640d69ce | 114 | boost::thread _decode_thread; |
b6b267bb | 115 | |
6e89374a | 116 | friend class DecoderStackTest::TwoDecoderStack; |
119aff65 JH |
117 | }; |
118 | ||
119 | } // namespace data | |
120 | } // namespace pv | |
121 | ||
6e89374a | 122 | #endif // PULSEVIEW_PV_DATA_DECODERSTACK_H |