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91 lines
2.9 KiB
91 lines
2.9 KiB
// Copyright (c) 2014-2019, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "QrScanThread.h"
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#include <QtGlobal>
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#include <QDebug>
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#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
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extern QImage qt_imageFromVideoFrame(const QVideoFrame &f);
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#endif
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QrScanThread::QrScanThread(QObject *parent)
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: QThread(parent)
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,m_running(true)
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{
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}
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void QrScanThread::processQImage(const QImage &qimg)
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{
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try {
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for (const std::string &code : m_decoder.decode(qimg))
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{
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emit decoded(QString::fromStdString(code));
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}
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}
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catch(std::exception &e) {
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qDebug() << "ERROR: " << e.what();
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emit notifyError(e.what());
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}
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}
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void QrScanThread::processVideoFrame(const QVideoFrame &frame)
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{
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#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
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processQImage( qt_imageFromVideoFrame(frame) );
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#else
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processQImage(frame.image());
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#endif
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}
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void QrScanThread::stop()
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{
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m_running = false;
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m_waitCondition.wakeOne();
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}
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void QrScanThread::addFrame(const QVideoFrame &frame)
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{
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QMutexLocker locker(&m_mutex);
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m_queue.append(frame);
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m_waitCondition.wakeOne();
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}
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void QrScanThread::run()
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{
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QVideoFrame frame;
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while(m_running) {
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QMutexLocker locker(&m_mutex);
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while(m_queue.isEmpty() && m_running)
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m_waitCondition.wait(&m_mutex);
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if(!m_queue.isEmpty())
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processVideoFrame(m_queue.takeFirst());
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}
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}
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