]>
Commit | Line | Data |
---|---|---|
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 | ||
3b68d03d JH |
26 | #include <atomic> |
27 | #include <condition_variable> | |
7491a29f | 28 | #include <list> |
3b68d03d | 29 | #include <map> |
f9abf97e | 30 | #include <memory> |
3b68d03d | 31 | #include <thread> |
708c5523 | 32 | |
f70d8673 | 33 | #include <boost/optional.hpp> |
708c5523 | 34 | |
e0fc5810 | 35 | #include <QObject> |
b6b267bb | 36 | #include <QString> |
e0fc5810 | 37 | |
f9101a91 JH |
38 | #include <pv/data/decode/row.h> |
39 | #include <pv/data/decode/rowdata.h> | |
40 | ||
119aff65 | 41 | struct srd_decoder; |
f9101a91 | 42 | struct srd_decoder_annotation_row; |
8bd26d8b | 43 | struct srd_channel; |
b213ef09 | 44 | struct srd_proto_data; |
f67d9e9b | 45 | struct srd_session; |
b6b267bb | 46 | |
6e89374a | 47 | namespace DecoderStackTest { |
9e587572 | 48 | struct TwoDecoderStack; |
b6b267bb | 49 | } |
119aff65 JH |
50 | |
51 | namespace pv { | |
708c5523 | 52 | |
bdc5c3b0 JH |
53 | class SigSession; |
54 | ||
708c5523 | 55 | namespace view { |
3045c869 | 56 | class LogicSignal; |
708c5523 JH |
57 | } |
58 | ||
119aff65 JH |
59 | namespace data { |
60 | ||
f67d9e9b JH |
61 | class LogicSnapshot; |
62 | ||
7491a29f | 63 | namespace decode { |
06e810f2 | 64 | class Annotation; |
7491a29f JH |
65 | class Decoder; |
66 | } | |
67 | ||
640d69ce JH |
68 | class Logic; |
69 | ||
6e89374a | 70 | class DecoderStack : public QObject, public SignalData |
119aff65 | 71 | { |
e0fc5810 JH |
72 | Q_OBJECT |
73 | ||
74 | private: | |
75 | static const double DecodeMargin; | |
76 | static const double DecodeThreshold; | |
77 | static const int64_t DecodeChunkLength; | |
4c581c79 | 78 | static const unsigned int DecodeNotifyPeriod; |
e0fc5810 | 79 | |
119aff65 | 80 | public: |
bdc5c3b0 JH |
81 | DecoderStack(pv::SigSession &_session, |
82 | const srd_decoder *const decoder); | |
119aff65 | 83 | |
6e89374a | 84 | virtual ~DecoderStack(); |
640d69ce | 85 | |
f9abf97e JH |
86 | const std::list< std::shared_ptr<decode::Decoder> >& stack() const; |
87 | void push(std::shared_ptr<decode::Decoder> decoder); | |
613d097c | 88 | void remove(int index); |
119aff65 | 89 | |
5dfeb70f JH |
90 | int64_t samples_decoded() const; |
91 | ||
dd048a7e | 92 | std::vector<decode::Row> get_visible_rows() const; |
f9101a91 | 93 | |
92421299 JH |
94 | /** |
95 | * Extracts sorted annotations between two period into a vector. | |
96 | */ | |
97 | void get_annotation_subset( | |
98 | std::vector<pv::data::decode::Annotation> &dest, | |
f9101a91 JH |
99 | const decode::Row &row, uint64_t start_sample, |
100 | uint64_t end_sample) const; | |
640d69ce | 101 | |
b6b267bb JH |
102 | QString error_message(); |
103 | ||
caabb84c | 104 | void clear(); |
119aff65 | 105 | |
a007f5ad JH |
106 | uint64_t get_max_sample_count() const; |
107 | ||
e0fc5810 JH |
108 | void begin_decode(); |
109 | ||
7491a29f | 110 | private: |
f70d8673 JH |
111 | boost::optional<int64_t> wait_for_data() const; |
112 | ||
113 | void decode_data(const int64_t sample_count, | |
114 | const unsigned int unit_size, srd_session *const session); | |
f67d9e9b | 115 | |
c1b2865e | 116 | void decode_proc(); |
640d69ce | 117 | |
e0fc5810 JH |
118 | static void annotation_callback(srd_proto_data *pdata, |
119 | void *decoder); | |
120 | ||
82f50b10 JH |
121 | private slots: |
122 | void on_new_frame(); | |
123 | ||
f70d8673 JH |
124 | void on_data_received(); |
125 | ||
126 | void on_frame_ended(); | |
127 | ||
9cef9567 JH |
128 | signals: |
129 | void new_decode_data(); | |
130 | ||
119aff65 | 131 | private: |
bdc5c3b0 | 132 | pv::SigSession &_session; |
fe89c961 JH |
133 | |
134 | /** | |
135 | * This mutex prevents more than one decode operation occuring | |
136 | * concurrently. | |
137 | * @todo A proper solution should be implemented to allow multiple | |
138 | * decode operations. | |
139 | */ | |
3b68d03d | 140 | static std::mutex _global_decode_mutex; |
fe89c961 | 141 | |
f9abf97e | 142 | std::list< std::shared_ptr<decode::Decoder> > _stack; |
e332f6d3 | 143 | |
f9abf97e | 144 | std::shared_ptr<pv::data::LogicSnapshot> _snapshot; |
f70d8673 | 145 | |
3b68d03d JH |
146 | mutable std::mutex _input_mutex; |
147 | mutable std::condition_variable _input_cond; | |
f70d8673 JH |
148 | int64_t _sample_count; |
149 | bool _frame_complete; | |
150 | ||
3b68d03d | 151 | mutable std::mutex _output_mutex; |
5dfeb70f | 152 | int64_t _samples_decoded; |
92421299 | 153 | |
f9101a91 JH |
154 | std::map<const decode::Row, decode::RowData> _rows; |
155 | ||
156 | std::map<std::pair<const srd_decoder*, int>, decode::Row> _class_rows; | |
92421299 | 157 | |
b6b267bb | 158 | QString _error_message; |
e0fc5810 | 159 | |
3b68d03d JH |
160 | std::thread _decode_thread; |
161 | std::atomic<bool> _interrupt; | |
b6b267bb | 162 | |
9e587572 | 163 | friend struct DecoderStackTest::TwoDecoderStack; |
119aff65 JH |
164 | }; |
165 | ||
166 | } // namespace data | |
167 | } // namespace pv | |
168 | ||
6e89374a | 169 | #endif // PULSEVIEW_PV_DATA_DECODERSTACK_H |