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Diffstat (limited to 'src/multimediaquick/qquickvideooutput_render.cpp')
| -rw-r--r-- | src/multimediaquick/qquickvideooutput_render.cpp | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/src/multimediaquick/qquickvideooutput_render.cpp b/src/multimediaquick/qquickvideooutput_render.cpp deleted file mode 100644 index 042d11c6f..000000000 --- a/src/multimediaquick/qquickvideooutput_render.cpp +++ /dev/null @@ -1,239 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2021 The Qt Company Ltd. -** Copyright (C) 2016 Research In Motion -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickvideooutput_render_p.h" -#include "qquickvideooutput_p.h" -#include <QtCore/qobject.h> -#include <QtCore/qloggingcategory.h> -#include <private/qsgvideonode_p.h> -#include <qvideosink.h> - -#include <QtQuick/QQuickWindow> -#include <private/qquickwindow_p.h> -#include <QtCore/QRunnable> - -QT_BEGIN_NAMESPACE - -Q_DECLARE_LOGGING_CATEGORY(qLcVideo) - -QQuickVideoBackend::QQuickVideoBackend(QQuickVideoOutput *parent) - : q(parent), - m_frameChanged(false) -{ -} - -QQuickVideoBackend::~QQuickVideoBackend() -{ - delete m_sink; -} - -void QQuickVideoBackend::releaseResources() -{ - // Called on the gui thread when the window is closed or changed. - invalidateSceneGraph(); -} - -void QQuickVideoBackend::invalidateSceneGraph() -{ - // Called on the render thread, e.g. when the context is lost. -// QMutexLocker lock(&m_frameMutex); -} - -void QQuickVideoBackend::itemChange(QQuickItem::ItemChange change, - const QQuickItem::ItemChangeData &changeData) -{ - if (change == QQuickItem::ItemSceneChange) { - if (changeData.window) - QObject::connect(changeData.window, SIGNAL(sceneGraphInvalidated()), - q, SLOT(_q_invalidateSceneGraph()), Qt::DirectConnection); - } -} - -QSize QQuickVideoBackend::nativeSize() const -{ - return m_surfaceFormat.viewport().size(); -} - -void QQuickVideoBackend::updateGeometry() -{ - const QRectF viewport = m_surfaceFormat.viewport(); - const QSizeF frameSize = m_surfaceFormat.frameSize(); - const QRectF normalizedViewport(viewport.x() / frameSize.width(), - viewport.y() / frameSize.height(), - viewport.width() / frameSize.width(), - viewport.height() / frameSize.height()); - const QRectF rect(0, 0, q->width(), q->height()); - if (nativeSize().isEmpty()) { - m_renderedRect = rect; - m_sourceTextureRect = normalizedViewport; - } else if (q->fillMode() == QQuickVideoOutput::Stretch) { - m_renderedRect = rect; - m_sourceTextureRect = normalizedViewport; - } else if (q->fillMode() == QQuickVideoOutput::PreserveAspectFit) { - m_sourceTextureRect = normalizedViewport; - m_renderedRect = q->contentRect(); - } else if (q->fillMode() == QQuickVideoOutput::PreserveAspectCrop) { - m_renderedRect = rect; - const qreal contentHeight = q->contentRect().height(); - const qreal contentWidth = q->contentRect().width(); - - // Calculate the size of the source rectangle without taking the viewport into account - const qreal relativeOffsetLeft = -q->contentRect().left() / contentWidth; - const qreal relativeOffsetTop = -q->contentRect().top() / contentHeight; - const qreal relativeWidth = rect.width() / contentWidth; - const qreal relativeHeight = rect.height() / contentHeight; - - // Now take the viewport size into account - const qreal totalOffsetLeft = normalizedViewport.x() + relativeOffsetLeft * normalizedViewport.width(); - const qreal totalOffsetTop = normalizedViewport.y() + relativeOffsetTop * normalizedViewport.height(); - const qreal totalWidth = normalizedViewport.width() * relativeWidth; - const qreal totalHeight = normalizedViewport.height() * relativeHeight; - - if (qIsDefaultAspect(q->orientation())) { - m_sourceTextureRect = QRectF(totalOffsetLeft, totalOffsetTop, - totalWidth, totalHeight); - } else { - m_sourceTextureRect = QRectF(totalOffsetTop, totalOffsetLeft, - totalHeight, totalWidth); - } - } - - if (m_surfaceFormat.scanLineDirection() == QVideoFrameFormat::BottomToTop) { - qreal top = m_sourceTextureRect.top(); - m_sourceTextureRect.setTop(m_sourceTextureRect.bottom()); - m_sourceTextureRect.setBottom(top); - } - - if (m_surfaceFormat.isMirrored()) { - qreal left = m_sourceTextureRect.left(); - m_sourceTextureRect.setLeft(m_sourceTextureRect.right()); - m_sourceTextureRect.setRight(left); - } -} - -QSGNode *QQuickVideoBackend::updatePaintNode(QSGNode *oldNode, - QQuickItem::UpdatePaintNodeData *data) -{ - Q_UNUSED(data); - QSGVideoNode *videoNode = static_cast<QSGVideoNode *>(oldNode); - - QMutexLocker lock(&m_frameMutex); - - if (m_frameChanged) { - if (videoNode && videoNode->pixelFormat() != m_frame.pixelFormat()) { - qCDebug(qLcVideo) << "updatePaintNode: deleting old video node because frame format changed"; - delete videoNode; - videoNode = nullptr; - } - - if (!m_frame.isValid()) { - qCDebug(qLcVideo) << "updatePaintNode: no frames yet"; - m_frameChanged = false; - return nullptr; - } - - if (!videoNode) { - // Get a node that supports our frame. The surface is irrelevant, our - // QSGVideoItemSurface supports (logically) anything. - updateGeometry(); - videoNode = new QSGVideoNode(m_surfaceFormat); - qCDebug(qLcVideo) << "updatePaintNode: Video node created. Handle type:" << m_frame.handleType(); - } - } - - if (!videoNode) { - m_frameChanged = false; - m_frame = QVideoFrame(); - return nullptr; - } - - // Negative rotations need lots of %360 - videoNode->setTexturedRectGeometry(m_renderedRect, m_sourceTextureRect, - qNormalizedOrientation(q->orientation())); - if (m_frameChanged) { - videoNode->setCurrentFrame(m_frame); - - if ((q->flushMode() == QQuickVideoOutput::FirstFrame && !m_frameOnFlush.isValid()) - || q->flushMode() == QQuickVideoOutput::LastFrame) { - m_frameOnFlush = m_frame; - } - - //don't keep the frame for more than really necessary - m_frameChanged = false; - m_frame = QVideoFrame(); - } - return videoNode; -} - -QVideoSink *QQuickVideoBackend::videoSink() const -{ - if (!m_sink) { - m_sink = new QVideoSink(q); - if (q->window()) - m_sink->setRhi(QQuickWindowPrivate::get(q->window())->rhi); - qRegisterMetaType<QVideoFrameFormat>(); - QObject::connect(m_sink, SIGNAL(newVideoFrame(const QVideoFrame &)), - q, SLOT(_q_newFrame(const QVideoFrame &)), Qt::QueuedConnection); - } - return m_sink; -} - -QRectF QQuickVideoBackend::adjustedViewport() const -{ - return m_surfaceFormat.viewport(); -} - -void QQuickVideoBackend::present(const QVideoFrame &frame) -{ - m_frameMutex.lock(); - m_surfaceFormat = frame.surfaceFormat(); - m_frame = frame.isValid() ? frame : m_frameOnFlush; - m_frameChanged = true; - m_frameMutex.unlock(); - - q->update(); -} - -void QQuickVideoBackend::stop() -{ - present(QVideoFrame()); -} - -QT_END_NAMESPACE |