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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 | |
f9101a91 JH |
34 | #include <pv/data/decode/row.h> |
35 | #include <pv/data/decode/rowdata.h> | |
36 | ||
119aff65 | 37 | struct srd_decoder; |
f9101a91 | 38 | struct srd_decoder_annotation_row; |
708c5523 | 39 | struct srd_probe; |
b213ef09 | 40 | struct srd_proto_data; |
b6b267bb | 41 | |
6e89374a JH |
42 | namespace DecoderStackTest { |
43 | class TwoDecoderStack; | |
b6b267bb | 44 | } |
119aff65 JH |
45 | |
46 | namespace pv { | |
708c5523 JH |
47 | |
48 | namespace view { | |
3045c869 | 49 | class LogicSignal; |
708c5523 JH |
50 | } |
51 | ||
119aff65 JH |
52 | namespace data { |
53 | ||
7491a29f | 54 | namespace decode { |
06e810f2 | 55 | class Annotation; |
7491a29f JH |
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 | |
5dfeb70f JH |
79 | int64_t samples_decoded() const; |
80 | ||
dd048a7e | 81 | std::vector<decode::Row> get_visible_rows() const; |
f9101a91 | 82 | |
92421299 JH |
83 | /** |
84 | * Extracts sorted annotations between two period into a vector. | |
85 | */ | |
86 | void get_annotation_subset( | |
87 | std::vector<pv::data::decode::Annotation> &dest, | |
f9101a91 JH |
88 | const decode::Row &row, uint64_t start_sample, |
89 | uint64_t end_sample) const; | |
640d69ce | 90 | |
b6b267bb JH |
91 | QString error_message(); |
92 | ||
caabb84c | 93 | void clear(); |
119aff65 | 94 | |
a007f5ad JH |
95 | uint64_t get_max_sample_count() const; |
96 | ||
e0fc5810 JH |
97 | void begin_decode(); |
98 | ||
7491a29f | 99 | private: |
640d69ce JH |
100 | void decode_proc(boost::shared_ptr<data::Logic> data); |
101 | ||
e0fc5810 JH |
102 | static void annotation_callback(srd_proto_data *pdata, |
103 | void *decoder); | |
104 | ||
9cef9567 JH |
105 | signals: |
106 | void new_decode_data(); | |
107 | ||
119aff65 | 108 | private: |
fe89c961 JH |
109 | |
110 | /** | |
111 | * This mutex prevents more than one decode operation occuring | |
112 | * concurrently. | |
113 | * @todo A proper solution should be implemented to allow multiple | |
114 | * decode operations. | |
115 | */ | |
116 | static boost::mutex _global_decode_mutex; | |
117 | ||
7491a29f | 118 | std::list< boost::shared_ptr<decode::Decoder> > _stack; |
e332f6d3 | 119 | |
b6b267bb | 120 | mutable boost::mutex _mutex; |
5dfeb70f | 121 | int64_t _samples_decoded; |
92421299 | 122 | |
f9101a91 JH |
123 | std::map<const decode::Row, decode::RowData> _rows; |
124 | ||
125 | std::map<std::pair<const srd_decoder*, int>, decode::Row> _class_rows; | |
92421299 | 126 | |
b6b267bb | 127 | QString _error_message; |
e0fc5810 | 128 | |
640d69ce | 129 | boost::thread _decode_thread; |
b6b267bb | 130 | |
6e89374a | 131 | friend class DecoderStackTest::TwoDecoderStack; |
119aff65 JH |
132 | }; |
133 | ||
134 | } // namespace data | |
135 | } // namespace pv | |
136 | ||
6e89374a | 137 | #endif // PULSEVIEW_PV_DATA_DECODERSTACK_H |