130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
/* This file is a part of Calyp project
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* Copyright (C) 2014-2021 by Joao Carreira (jfmcarreira@gmail.com)
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* Luis Lucas (luisfrlucas@gmail.com)
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* Joao Santos (joaompssantos@gmail.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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/**
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* \file ResourceHandle.cpp
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* \brief Handle resources
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*/
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#include "ResourceHandle.h"
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#include <QCoreApplication>
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#include <QEvent>
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#include <QFileInfo>
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#include <QMutex>
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#include <QThread>
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#include <memory>
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#include <optional>
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ResourceWorker::ResourceWorker( std::shared_ptr<CalypStream> stream )
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{
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m_pcStream = stream;
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}
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void ResourceWorker::stop()
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{
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m_bStop = true;
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wait();
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}
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void ResourceWorker::run()
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{
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while( !m_bStop )
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{
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m_pcStream->readNextFrameFillRGBBuffer();
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while( !m_bStop && !m_pcStream->hasWritingSlot() )
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; // Keep
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}
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}
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ResourceHandle::ResourceHandle()
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{
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}
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auto ResourceHandle::addResource() -> CalypStream*
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{
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auto newStreamResource = std::make_shared<CalypStream>();
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auto newStreamResourceWorker = std::make_unique<ResourceWorker>( newStreamResource );
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CalypStream* ptr = newStreamResource.get();
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m_apcStreamResourcesList.push_back( newStreamResource );
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m_apcStreamResourcesWorkersList.push_back( std::move( newStreamResourceWorker ) );
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return ptr;
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}
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auto ResourceHandle::getResource( CalypStream* ptr ) -> CalypStream*
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{
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if( ptr != nullptr )
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{
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for( auto& resource_ptr : m_apcStreamResourcesList )
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{
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if( resource_ptr.get() == ptr )
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return resource_ptr.get();
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}
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}
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return addResource();
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}
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void ResourceHandle::removeResource( CalypStream* ptr )
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{
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std::optional<std::size_t> posToRemove;
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for( std::size_t i = 0; i < m_apcStreamResourcesList.size(); i++ )
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{
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if( m_apcStreamResourcesList[i].get() == ptr )
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{
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posToRemove = i;
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break;
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}
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}
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if( !posToRemove.has_value() )
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{
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assert( false );
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return;
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}
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// Remove worker first
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m_apcStreamResourcesWorkersList[*posToRemove]->stop();
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m_apcStreamResourcesWorkersList.erase( m_apcStreamResourcesWorkersList.begin() + *posToRemove );
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// Then the underlying stream
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m_apcStreamResourcesList.erase( m_apcStreamResourcesList.begin() + *posToRemove );
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}
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void ResourceHandle::startResourceWorker( CalypStream* ptr )
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{
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std::optional<std::size_t> position;
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for( std::size_t i = 0; i < m_apcStreamResourcesList.size(); i++ )
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{
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if( m_apcStreamResourcesList[i].get() == ptr )
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{
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position = i;
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break;
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}
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}
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if( !position.has_value() )
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{
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assert( false );
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return;
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}
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m_apcStreamResourcesWorkersList[*position]->setObjectName(
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"RW-" +
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QFileInfo( QString::fromStdString( m_apcStreamResourcesList[*position]->getFileName() ) ).completeBaseName() );
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m_apcStreamResourcesWorkersList[*position]->start();
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} |