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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 | ||
21 | #ifndef PULSEVIEW_PV_DATA_DECODER_H | |
22 | #define PULSEVIEW_PV_DATA_DECODER_H | |
23 | ||
24 | #include "signaldata.h" | |
25 | ||
708c5523 JH |
26 | #include <map> |
27 | ||
28 | #include <boost/shared_ptr.hpp> | |
640d69ce | 29 | #include <boost/thread.hpp> |
708c5523 | 30 | |
e0fc5810 JH |
31 | #include <QObject> |
32 | ||
119aff65 | 33 | struct srd_decoder; |
e332f6d3 | 34 | struct srd_decoder_inst; |
708c5523 | 35 | struct srd_probe; |
119aff65 JH |
36 | |
37 | namespace pv { | |
708c5523 JH |
38 | |
39 | namespace view { | |
40 | class Signal; | |
e0fc5810 JH |
41 | |
42 | namespace decode { | |
43 | class Annotation; | |
44 | } | |
45 | ||
708c5523 JH |
46 | } |
47 | ||
119aff65 JH |
48 | namespace data { |
49 | ||
640d69ce JH |
50 | class Logic; |
51 | ||
e0fc5810 | 52 | class Decoder : public QObject, public SignalData |
119aff65 | 53 | { |
e0fc5810 JH |
54 | Q_OBJECT |
55 | ||
56 | private: | |
57 | static const double DecodeMargin; | |
58 | static const double DecodeThreshold; | |
59 | static const int64_t DecodeChunkLength; | |
60 | ||
119aff65 | 61 | public: |
e332f6d3 JH |
62 | Decoder(const srd_decoder *const decoder, |
63 | std::map<const srd_probe*, | |
67fe5e9c JH |
64 | boost::shared_ptr<pv::view::Signal> > probes, |
65 | GHashTable *options); | |
119aff65 | 66 | |
640d69ce JH |
67 | virtual ~Decoder(); |
68 | ||
119aff65 JH |
69 | const srd_decoder* get_decoder() const; |
70 | ||
e0fc5810 JH |
71 | const std::vector< boost::shared_ptr<pv::view::decode::Annotation> > |
72 | annotations() const; | |
640d69ce | 73 | |
119aff65 JH |
74 | void clear_snapshots(); |
75 | ||
e332f6d3 | 76 | private: |
e0fc5810 JH |
77 | void begin_decode(); |
78 | ||
e332f6d3 JH |
79 | void init_decoder(); |
80 | ||
640d69ce JH |
81 | void decode_proc(boost::shared_ptr<data::Logic> data); |
82 | ||
e0fc5810 JH |
83 | static void annotation_callback(srd_proto_data *pdata, |
84 | void *decoder); | |
85 | ||
119aff65 JH |
86 | private: |
87 | const srd_decoder *const _decoder; | |
708c5523 JH |
88 | std::map<const srd_probe*, boost::shared_ptr<view::Signal> > |
89 | _probes; | |
67fe5e9c | 90 | GHashTable *_options; |
e332f6d3 JH |
91 | |
92 | srd_decoder_inst *_decoder_inst; | |
640d69ce | 93 | |
e0fc5810 JH |
94 | mutable boost::mutex _annotations_mutex; |
95 | std::vector< boost::shared_ptr<pv::view::decode::Annotation> > | |
96 | _annotations; | |
97 | ||
640d69ce | 98 | boost::thread _decode_thread; |
119aff65 JH |
99 | }; |
100 | ||
101 | } // namespace data | |
102 | } // namespace pv | |
103 | ||
104 | #endif // PULSEVIEW_PV_DATA_DECODER_H |