forked from Ivasoft/DSView
160 lines
3.7 KiB
C++
160 lines
3.7 KiB
C++
/*
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* This file is part of the PulseView project.
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* DSView is based on PulseView.
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*
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* Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
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* Copyright (C) 2016 DreamSourceLab <support@dreamsourcelab.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <math.h>
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#include <assert.h>
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#include "rowdata.h"
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using std::max;
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using std::min;
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using std::vector;
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namespace pv {
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namespace data {
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namespace decode {
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std::mutex RowData::_global_visitor_mutex;
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RowData::RowData() :
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_max_annotation(0),
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_min_annotation(0)
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{
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_item_count = 0;
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}
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RowData::~RowData()
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{
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//stack object can not destory the sources
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}
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void RowData::clear()
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{
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std::lock_guard<std::mutex> lock(_global_visitor_mutex);
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//destroy objercts
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for (Annotation *p : _annotations){
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delete p;
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}
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_annotations.clear();
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_item_count = 0;
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_min_annotation = 0;
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}
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uint64_t RowData::get_max_sample()
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{
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std::lock_guard<std::mutex> lock(_global_visitor_mutex);
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if (_annotations.empty())
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return 0;
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return _annotations.back()->end_sample();
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}
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uint64_t RowData::get_max_annotation()
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{
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return _max_annotation;
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}
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uint64_t RowData::get_min_annotation()
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{
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if (_min_annotation == 0)
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return 10;
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else
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return _min_annotation;
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}
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void RowData::get_annotation_subset(std::vector<pv::data::decode::Annotation*> &dest,
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uint64_t start_sample, uint64_t end_sample)
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{
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std::lock_guard<std::mutex> lock(_global_visitor_mutex);
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for (Annotation *p : _annotations)
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{
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if (p->end_sample() > start_sample && p->start_sample() <= end_sample)
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{
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dest.push_back(p);
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}
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}
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}
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uint64_t RowData::get_annotation_index(uint64_t start_sample)
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{
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std::lock_guard<std::mutex> lock(_global_visitor_mutex);
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uint64_t index = 0;
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for (Annotation *p : _annotations){
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if (p->start_sample() > start_sample)
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break;
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index++;
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}
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return index;
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}
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bool RowData::push_annotation(Annotation *a)
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{
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assert(a);
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std::lock_guard<std::mutex> lock(_global_visitor_mutex);
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try {
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_annotations.push_back(a);
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_item_count = _annotations.size();
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_max_annotation = max(_max_annotation, a->end_sample() - a->start_sample());
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if (a->end_sample() != a->start_sample()){
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if (_min_annotation == 0){
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_min_annotation = a->end_sample() - a->start_sample();
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}
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else{
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if (a->end_sample() - a->start_sample() == 2){
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int bbb = 0;
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bbb++;
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}
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_min_annotation = min(_min_annotation, a->end_sample() - a->start_sample());
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}
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}
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return true;
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} catch (const std::bad_alloc&) {
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return false;
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}
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}
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bool RowData::get_annotation(Annotation &ann, uint64_t index)
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{
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std::lock_guard<std::mutex> lock(_global_visitor_mutex);
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if (index < _annotations.size()) {
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ann = *_annotations[index];
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return true;
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} else {
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return false;
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}
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}
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} // decode
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} // data
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} // pv
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