diff options
author | Lars Knoll <lars.knoll@qt.io> | 2021-03-26 10:24:57 +0100 |
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committer | Lars Knoll <lars.knoll@qt.io> | 2021-04-07 14:51:23 +0000 |
commit | 0022bca8f430d7eea7a5f7e39a1cb3719118af2a (patch) | |
tree | ec32a61cfa5a1bf69404f124a786633a4c3a4d59 /src/qtmultimediaquicktools/qsgvideonode_rgb.cpp | |
parent | f66c18bc51989ae5388b333c2b2804dd7b6e3f1a (diff) |
Move the texture uploading code into Qt Multimedia
Qt Multimedia has now some generic helper functions to upload
the video data into textures. This way, we can greatly simplify
the rendering code in qtmultimediaquicktools.
Change-Id: I5b0e3eb96cbcf79fe5e9757697f11b0183132b17
Reviewed-by: Doris Verria <doris.verria@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/qtmultimediaquicktools/qsgvideonode_rgb.cpp')
-rw-r--r-- | src/qtmultimediaquicktools/qsgvideonode_rgb.cpp | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/src/qtmultimediaquicktools/qsgvideonode_rgb.cpp b/src/qtmultimediaquicktools/qsgvideonode_rgb.cpp deleted file mode 100644 index 064cf43b0..000000000 --- a/src/qtmultimediaquicktools/qsgvideonode_rgb.cpp +++ /dev/null @@ -1,203 +0,0 @@ -/**************************************************************************** -** -** 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<QVideoSurfaceFormat::PixelFormat> QSGVideoNodeFactory_RGB::supportedPixelFormats( - QVideoFrame::HandleType handleType) const -{ - QList<QVideoSurfaceFormat::PixelFormat> pixelFormats; - - if (handleType == QVideoFrame::NoHandle) { - pixelFormats.append(QVideoSurfaceFormat::Format_RGB32); - pixelFormats.append(QVideoSurfaceFormat::Format_ARGB32); - pixelFormats.append(QVideoSurfaceFormat::Format_ARGB32_Premultiplied); - pixelFormats.append(QVideoSurfaceFormat::Format_BGR32); - pixelFormats.append(QVideoSurfaceFormat::Format_BGRA32); - pixelFormats.append(QVideoSurfaceFormat::Format_RGB565); - } - - return pixelFormats; -} - -QSGVideoNode *QSGVideoNodeFactory_RGB::createNode(const QVideoSurfaceFormat &format) -{ - if (supportedPixelFormats(QVideoFrame::NoHandle).contains(format.pixelFormat())) - return new QSGVideoNode_RGB(format); - - return nullptr; -} - -class QSGVideoMaterialRhiShader_RGB : public QSGMaterialShader -{ -public: - QSGVideoMaterialRhiShader_RGB(const QVideoSurfaceFormat &format) - : m_format(format) - { - setShaderFileName(VertexStage, format.vertexShaderFileName()); - setShaderFileName(FragmentStage, format.fragmentShaderFileName()); - } - - bool updateUniformData(RenderState &state, QSGMaterial *newMaterial, - QSGMaterial *oldMaterial) override; - - void updateSampledImage(RenderState &state, int binding, QSGTexture **texture, - QSGMaterial *newMaterial, QSGMaterial *oldMaterial) override; - QVideoSurfaceFormat m_format; -}; - -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); - } - - [[nodiscard]] QSGMaterialType *type() const override { - static QSGMaterialType normalType; - return &normalType; - } - - [[nodiscard]] QSGMaterialShader *createShader(QSGRendererInterface::RenderMode) const override { - return new QSGVideoMaterialRhiShader_RGB(m_format); - } - - 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); - - if (!state.isMatrixDirty() && !state.isOpacityDirty()) - return false; - - if (state.isOpacityDirty()) { - auto m = static_cast<QSGVideoMaterial_RGB *>(newMaterial); - m->m_opacity = state.opacity(); - m->updateBlending(); - } - - QByteArray *buf = state.uniformData(); - *buf = m_format.uniformData(state.combinedMatrix(), state.opacity()); - - return true; -} - -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() == QVideoSurfaceFormat::Format_RGB565) // Format_RGB565 requires GL_UNSIGNED_SHORT_5_6_5 - frame = frame.toImage().convertToFormat(QImage::Format_RGBA8888_Premultiplied); - - auto format = QRhiTexture::RGBA8; - if (frame.pixelFormat() == QVideoSurfaceFormat::Format_RGB32 - || frame.pixelFormat() == QVideoSurfaceFormat::Format_ARGB32 - || frame.pixelFormat() == QVideoSurfaceFormat::Format_ARGB32_Premultiplied) - { - format = QRhiTexture::BGRA8; - } - - if (frame.isValid() && frame.map(QVideoFrame::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() = default; - -void QSGVideoNode_RGB::setCurrentFrame(const QVideoFrame &frame, FrameFlags) -{ - m_material->setVideoFrame(frame); - markDirty(DirtyMaterial); -} - -QT_END_NAMESPACE |