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>
36 struct srd_proto_data;
38 namespace DecoderStackTest {
39 class TwoDecoderStack;
57 class DecoderStack : public QObject, public SignalData
62 static const double DecodeMargin;
63 static const double DecodeThreshold;
64 static const int64_t DecodeChunkLength;
67 DecoderStack(const srd_decoder *const decoder);
69 virtual ~DecoderStack();
71 const std::list< boost::shared_ptr<decode::Decoder> >& stack() const;
72 void push(boost::shared_ptr<decode::Decoder> decoder);
73 void remove(int index);
75 int64_t samples_decoded() const;
78 * Extracts sorted annotations between two period into a vector.
80 void get_annotation_subset(
81 std::vector<pv::data::decode::Annotation> &dest,
82 uint64_t start_sample, uint64_t end_sample) const;
84 QString error_message();
88 uint64_t get_max_sample_count() const;
93 void decode_proc(boost::shared_ptr<data::Logic> data);
95 bool index_entry_start_sample_gt(
96 const uint64_t sample, const size_t index) const;
97 bool index_entry_end_sample_lt(
98 const size_t index, const uint64_t sample) const;
99 bool index_entry_end_sample_gt(
100 const uint64_t sample, const size_t index) const;
102 void insert_annotation_into_start_index(
103 const pv::data::decode::Annotation &a,
104 const size_t storage_offset);
105 void insert_annotation_into_end_index(
106 const pv::data::decode::Annotation &a,
107 const size_t storage_offset);
109 static void annotation_callback(srd_proto_data *pdata,
113 void new_decode_data();
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;
129 std::vector<pv::data::decode::Annotation> _annotations;
132 * _ann_start_index and _ann_end_index contain lists of annotions
133 * (represented by offsets in the _annotations vector), sorted in
134 * ascending ordered by the start_sample and end_sample respectively.
136 std::vector<size_t> _ann_start_index, _ann_end_index;
138 QString _error_message;
140 boost::thread _decode_thread;
142 friend class DecoderStackTest::TwoDecoderStack;
148 #endif // PULSEVIEW_PV_DATA_DECODERSTACK_H