diff options
Diffstat (limited to 'src/multimedia/video/qimagevideobuffer.cpp')
| -rw-r--r-- | src/multimedia/video/qimagevideobuffer.cpp | 143 |
1 files changed, 59 insertions, 84 deletions
diff --git a/src/multimedia/video/qimagevideobuffer.cpp b/src/multimedia/video/qimagevideobuffer.cpp index 28dacefc6..6142ec322 100644 --- a/src/multimedia/video/qimagevideobuffer.cpp +++ b/src/multimedia/video/qimagevideobuffer.cpp @@ -1,110 +1,85 @@ -/**************************************************************************** -** -** 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2023 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 "qimagevideobuffer_p.h" - -#include "qabstractvideobuffer_p.h" - -#include <qimage.h> -#include <qvariant.h> +#include "qvideoframeformat.h" QT_BEGIN_NAMESPACE -/*! - * \class QImageVideoBuffer - * \internal - * - * A video buffer class for a QImage. - */ -class QImageVideoBufferPrivate : public QAbstractVideoBufferPrivate +namespace { + +QImage::Format fixImageFormat(QImage::Format format) { -public: - QImageVideoBufferPrivate() - : mapMode(QAbstractVideoBuffer::NotMapped) - { + switch (format) { + case QImage::Format_ARGB32_Premultiplied: + case QImage::Format_ARGB8565_Premultiplied: + case QImage::Format_ARGB6666_Premultiplied: + case QImage::Format_ARGB8555_Premultiplied: + case QImage::Format_ARGB4444_Premultiplied: + case QImage::Format_RGBA8888_Premultiplied: + case QImage::Format_A2BGR30_Premultiplied: + case QImage::Format_A2RGB30_Premultiplied: + case QImage::Format_RGBA64_Premultiplied: + case QImage::Format_RGBA16FPx4_Premultiplied: + case QImage::Format_RGBA32FPx4_Premultiplied: + return QImage::Format_ARGB32_Premultiplied; + case QImage::Format_ARGB32: + case QImage::Format_RGBA8888: + case QImage::Format_Alpha8: + case QImage::Format_RGBA64: + case QImage::Format_RGBA16FPx4: + case QImage::Format_RGBA32FPx4: + return QImage::Format_ARGB32; + case QImage::Format_Invalid: + return QImage::Format_Invalid; + default: + return QImage::Format_RGB32; } +} - QAbstractVideoBuffer::MapMode mapMode; - QImage image; -}; - -QImageVideoBuffer::QImageVideoBuffer(const QImage &image) - : QAbstractVideoBuffer(*new QImageVideoBufferPrivate, NoHandle) +QImage fixImage(QImage image) { - Q_D(QImageVideoBuffer); + if (image.format() == QImage::Format_Invalid) + return image; - d->image = image; -} + const auto frameFormat = QVideoFrameFormat::pixelFormatFromImageFormat(image.format()); + if (frameFormat != QVideoFrameFormat::Format_Invalid) + return image; -QImageVideoBuffer::~QImageVideoBuffer() -{ + return image.convertToFormat(fixImageFormat(image.format())); } -QAbstractVideoBuffer::MapMode QImageVideoBuffer::mapMode() const +} // namespace + +QImageVideoBuffer::QImageVideoBuffer(QImage image) + : QAbstractVideoBuffer(QVideoFrame::NoHandle), m_image(fixImage(std::move(image))) { - return d_func()->mapMode; } -uchar *QImageVideoBuffer::map(MapMode mode, int *numBytes, int *bytesPerLine) +QAbstractVideoBuffer::MapData QImageVideoBuffer::map(QVideoFrame::MapMode mode) { - Q_D(QImageVideoBuffer); - - if (d->mapMode == NotMapped && d->image.bits() && mode != NotMapped) { - d->mapMode = mode; - - if (numBytes) - *numBytes = int(d->image.sizeInBytes()); - - if (bytesPerLine) - *bytesPerLine = d->image.bytesPerLine(); - - return d->image.bits(); - } else { - return nullptr; + MapData mapData; + if (m_mapMode == QVideoFrame::NotMapped && !m_image.isNull() + && mode != QVideoFrame::NotMapped) { + m_mapMode = mode; + + mapData.nPlanes = 1; + mapData.bytesPerLine[0] = m_image.bytesPerLine(); + mapData.data[0] = m_image.bits(); + mapData.size[0] = m_image.sizeInBytes(); } + + return mapData; } void QImageVideoBuffer::unmap() { - Q_D(QImageVideoBuffer); + m_mapMode = QVideoFrame::NotMapped; +} - d->mapMode = NotMapped; +QImage QImageVideoBuffer::underlyingImage() const +{ + return m_image; } QT_END_NAMESPACE |