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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** 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 "qsgvideonode_rgb_p.h"
#include "qsgvideotexture_p.h"
#include <QtQuick/qsgmaterial.h>
#include <QtCore/qmutex.h>
QT_BEGIN_NAMESPACE
QList<QVideoFrame::PixelFormat> QSGVideoNodeFactory_RGB::supportedPixelFormats(
QAbstractVideoBuffer::HandleType handleType) const
{
QList<QVideoFrame::PixelFormat> pixelFormats;
if (handleType == QAbstractVideoBuffer::NoHandle) {
pixelFormats.append(QVideoFrame::Format_RGB32);
pixelFormats.append(QVideoFrame::Format_ARGB32);
pixelFormats.append(QVideoFrame::Format_BGR32);
pixelFormats.append(QVideoFrame::Format_BGRA32);
pixelFormats.append(QVideoFrame::Format_RGB565);
}
return pixelFormats;
}
QSGVideoNode *QSGVideoNodeFactory_RGB::createNode(const QVideoSurfaceFormat &format)
{
if (supportedPixelFormats(format.handleType()).contains(format.pixelFormat()))
return new QSGVideoNode_RGB(format);
return 0;
}
class QSGVideoMaterialRhiShader_RGB : public QSGMaterialShader
{
public:
QSGVideoMaterialRhiShader_RGB()
{
setShaderFileName(VertexStage, QStringLiteral(":/qtmultimediaquicktools/shaders/rgba.vert.qsb"));
setShaderFileName(FragmentStage, QStringLiteral(":/qtmultimediaquicktools/shaders/rgba.frag.qsb"));
}
bool updateUniformData(RenderState &state, QSGMaterial *newMaterial,
QSGMaterial *oldMaterial) override;
void updateSampledImage(RenderState &state, int binding, QSGTexture **texture,
QSGMaterial *newMaterial, QSGMaterial *oldMaterial) override;
};
class QSGVideoMaterial_RGB : public QSGMaterial
{
public:
QSGVideoMaterial_RGB(const QVideoSurfaceFormat &format) :
m_format(format),
m_opacity(1.0)
{
setFlag(Blending, false);
m_texture.reset(new QSGVideoTexture);
}
QSGMaterialType *type() const override {
static QSGMaterialType normalType;
return &normalType;
}
QSGMaterialShader *createShader(QSGRendererInterface::RenderMode) const override {
return new QSGVideoMaterialRhiShader_RGB;
}
int compare(const QSGMaterial *other) const override {
const QSGVideoMaterial_RGB *m = static_cast<const QSGVideoMaterial_RGB *>(other);
const qint64 diff = m_texture->comparisonKey() - m->m_texture->comparisonKey();
return diff < 0 ? -1 : (diff > 0 ? 1 : 0);
}
void updateBlending() {
setFlag(Blending, !qFuzzyCompare(m_opacity, float(1.0)));
}
void setVideoFrame(const QVideoFrame &frame) {
QMutexLocker lock(&m_frameMutex);
m_frame = frame;
}
QVideoFrame m_frame;
QMutex m_frameMutex;
QSize m_textureSize;
QVideoSurfaceFormat m_format;
float m_opacity;
QScopedPointer<QSGVideoTexture> m_texture;
};
bool QSGVideoMaterialRhiShader_RGB::updateUniformData(RenderState &state, QSGMaterial *newMaterial,
QSGMaterial *oldMaterial)
{
Q_UNUSED(oldMaterial);
bool changed = false;
QByteArray *buf = state.uniformData();
if (state.isMatrixDirty()) {
memcpy(buf->data(), state.combinedMatrix().constData(), 64);
changed = true;
}
if (state.isOpacityDirty()) {
auto m = static_cast<QSGVideoMaterial_RGB *>(newMaterial);
m->m_opacity = state.opacity();
m->updateBlending();
memcpy(buf->data() + 64, &m->m_opacity, 4);
changed = true;
}
return changed;
}
void QSGVideoMaterialRhiShader_RGB::updateSampledImage(RenderState &state, int binding, QSGTexture **texture,
QSGMaterial *newMaterial, QSGMaterial *oldMaterial)
{
Q_UNUSED(oldMaterial);
if (binding < 1)
return;
auto m = static_cast<QSGVideoMaterial_RGB *>(newMaterial);
m->m_frameMutex.lock();
auto frame = m->m_frame;
if (frame.pixelFormat() == QVideoFrame::Format_RGB565) // Format_RGB565 requires GL_UNSIGNED_SHORT_5_6_5
frame = frame.image().convertToFormat(QImage::Format_RGBA8888_Premultiplied);
auto format = QRhiTexture::RGBA8;
if (frame.pixelFormat() == QVideoFrame::Format_RGB32
|| frame.pixelFormat() == QVideoFrame::Format_ARGB32)
{
format = QRhiTexture::BGRA8;
}
if (frame.isValid() && frame.map(QAbstractVideoBuffer::ReadOnly)) {
m->m_texture->setData(format, frame.size(), frame.bits(), frame.bytesPerLine() * frame.height());
frame.unmap();
}
m->m_frameMutex.unlock();
m->m_texture->commitTextureOperations(state.rhi(), state.resourceUpdateBatch());
*texture = m->m_texture.data();
}
QSGVideoNode_RGB::QSGVideoNode_RGB(const QVideoSurfaceFormat &format) :
m_format(format)
{
setFlag(QSGNode::OwnsMaterial);
m_material = new QSGVideoMaterial_RGB(format);
setMaterial(m_material);
}
QSGVideoNode_RGB::~QSGVideoNode_RGB()
{
}
void QSGVideoNode_RGB::setCurrentFrame(const QVideoFrame &frame, FrameFlags)
{
m_material->setVideoFrame(frame);
markDirty(DirtyMaterial);
}
QT_END_NAMESPACE
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