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// 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 "qvideoframeformat.h"
QT_BEGIN_NAMESPACE
namespace {
QImage::Format fixImageFormat(QImage::Format format)
{
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;
}
}
QImage fixImage(QImage image)
{
const auto imageFormat = image.format();
if (imageFormat == QImage::Format_Invalid)
return image;
const auto frameFormat = QVideoFrameFormat::pixelFormatFromImageFormat(imageFormat);
if (frameFormat != QVideoFrameFormat::Format_Invalid)
return image;
return std::move(image).convertToFormat(fixImageFormat(imageFormat));
}
} // namespace
QImageVideoBuffer::QImageVideoBuffer(QImage image) : m_image(fixImage(std::move(image))) { }
QAbstractVideoBuffer::MapData QImageVideoBuffer::map(QVideoFrame::MapMode mode)
{
MapData mapData;
if (!m_image.isNull()) {
mapData.planeCount = 1;
mapData.bytesPerLine[0] = m_image.bytesPerLine();
if (mode == QVideoFrame::ReadOnly)
mapData.data[0] = const_cast<uint8_t *>(m_image.constBits());
else
mapData.data[0] = m_image.bits();
mapData.dataSize[0] = m_image.sizeInBytes();
}
return mapData;
}
QImage QImageVideoBuffer::underlyingImage() const
{
return m_image;
}
QT_END_NAMESPACE