2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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
21 #ifndef PULSEVIEW_PV_DATA_DECODERSTACK_H
22 #define PULSEVIEW_PV_DATA_DECODERSTACK_H
24 #include "signaldata.h"
28 #include <boost/shared_ptr.hpp>
29 #include <boost/thread.hpp>
34 #include <pv/data/decode/row.h>
35 #include <pv/data/decode/rowdata.h>
38 struct srd_decoder_annotation_row;
40 struct srd_proto_data;
42 namespace DecoderStackTest {
43 class TwoDecoderStack;
63 class DecoderStack : public QObject, public SignalData
68 static const double DecodeMargin;
69 static const double DecodeThreshold;
70 static const int64_t DecodeChunkLength;
73 DecoderStack(pv::SigSession &_session,
74 const srd_decoder *const decoder);
76 virtual ~DecoderStack();
78 const std::list< boost::shared_ptr<decode::Decoder> >& stack() const;
79 void push(boost::shared_ptr<decode::Decoder> decoder);
80 void remove(int index);
82 int64_t samples_decoded() const;
84 std::vector<decode::Row> get_visible_rows() const;
87 * Extracts sorted annotations between two period into a vector.
89 void get_annotation_subset(
90 std::vector<pv::data::decode::Annotation> &dest,
91 const decode::Row &row, uint64_t start_sample,
92 uint64_t end_sample) const;
94 QString error_message();
98 uint64_t get_max_sample_count() const;
103 void decode_proc(boost::shared_ptr<data::Logic> data);
105 static void annotation_callback(srd_proto_data *pdata,
112 void new_decode_data();
115 pv::SigSession &_session;
118 * This mutex prevents more than one decode operation occuring
120 * @todo A proper solution should be implemented to allow multiple
123 static boost::mutex _global_decode_mutex;
125 std::list< boost::shared_ptr<decode::Decoder> > _stack;
127 mutable boost::mutex _mutex;
128 int64_t _samples_decoded;
130 std::map<const decode::Row, decode::RowData> _rows;
132 std::map<std::pair<const srd_decoder*, int>, decode::Row> _class_rows;
134 QString _error_message;
136 boost::thread _decode_thread;
138 friend class DecoderStackTest::TwoDecoderStack;
144 #endif // PULSEVIEW_PV_DATA_DECODERSTACK_H