Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "qplatformvideosink_p.h"
++
++ #include <QtMultimedia/private/qmultimediautils_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ QPlatformVideoSink::QPlatformVideoSink(QVideoSink *parent) : QObject(parent), m_sink(parent) { }
++
++ QPlatformVideoSink::~QPlatformVideoSink() = default;
++
++ QSize QPlatformVideoSink::nativeSize() const
++ {
++ QMutexLocker locker(&m_mutex);
++ return m_nativeSize;
++ }
++
++ void QPlatformVideoSink::setNativeSize(QSize s)
++ {
++ {
++ QMutexLocker locker(&m_mutex);
++ if (m_nativeSize == s)
++ return;
++ m_nativeSize = s;
++ }
++ Q_EMIT m_sink->videoSizeChanged();
++ }
++
++ void QPlatformVideoSink::setVideoFrame(const QVideoFrame &frame)
++ {
++ bool sizeChanged = false;
++ QVideoFrame currentFrame;
++ {
++ QMutexLocker locker(&m_mutex);
++ if (frame == m_currentVideoFrame)
++ return;
++ m_currentVideoFrame = frame;
++ m_currentVideoFrame.setSubtitleText(m_subtitleText);
++ const QSize size = qRotatedFramePresentationSize(frame);
++ if (size != m_nativeSize) {
++ m_nativeSize = size;
++ sizeChanged = true;
++ }
++ currentFrame = m_currentVideoFrame;
++ }
++
++ onVideoFrameChanged(currentFrame);
++
++ // emit signals outside the mutex to avoid deadlocks on the user side
++ if (sizeChanged)
++ Q_EMIT m_sink->videoSizeChanged();
++ Q_EMIT m_sink->videoFrameChanged(frame);
++ }
++
++ QVideoFrame QPlatformVideoSink::currentVideoFrame() const
++ {
++ QMutexLocker locker(&m_mutex);
++ return m_currentVideoFrame;
++ }
++
++ void QPlatformVideoSink::setSubtitleText(const QString &subtitleText)
++ {
++ {
++ QMutexLocker locker(&m_mutex);
++ if (m_subtitleText == subtitleText)
++ return;
++ m_subtitleText = subtitleText;
++ }
++ Q_EMIT m_sink->subtitleTextChanged(subtitleText);
++ }
++
++ QString QPlatformVideoSink::subtitleText() const
++ {
++ QMutexLocker locker(&m_mutex);
++ return m_subtitleText;
++ }
++
++ QT_END_NAMESPACE
++
++ #include "moc_qplatformvideosink_p.cpp"