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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QtTest/QtTest>
#include <private/qmemoryvideobuffer_p.h>
#include <private/qimagevideobuffer_p.h>
#include "qvideoframeformat.h"
using BufferPtr = std::shared_ptr<QAbstractVideoBuffer>;
using MapModes = std::vector<QVideoFrame::MapMode>;
static const MapModes validMapModes = { QVideoFrame::ReadOnly, QVideoFrame::WriteOnly, QVideoFrame::ReadWrite };
class tst_QVideoBuffers : public QObject
{
Q_OBJECT
public:
tst_QVideoBuffers() {}
public slots:
void initTestCase();
private slots:
void map_changesMappedStateAndReturnsProperMappings_whenBufferIsNotMapped_data();
void map_changesMappedStateAndReturnsProperMappings_whenBufferIsNotMapped();
void mapWithNotMappedMode_doesNothing_data();
void mapWithNotMappedMode_doesNothing();
void map_doesNothing_whenBufferIsMapped_data();
void map_doesNothing_whenBufferIsMapped();
void mapMemoryBufferWithReadOnly_doesntDetachArray();
void mapMemoryBufferWithWriteModes_detachsArray_data();
void mapMemoryBufferWithWriteModes_detachsArray();
void underlyingByteArray_returnsCorrectValueForPlanes();
void unmap_resetsMappedState_whenBufferIsMapped_data();
void unmap_resetsMappedState_whenBufferIsMapped();
void imageBuffer_fixesInputImage_data();
void imageBuffer_fixesInputImage();
private:
QString mapModeToString(QVideoFrame::MapMode mapMode) const
{
switch (mapMode) {
case QVideoFrame::NotMapped:
return QLatin1String("NotMapped");
case QVideoFrame::ReadOnly:
return QLatin1String("ReadOnly");
case QVideoFrame::WriteOnly:
return QLatin1String("WriteOnly");
case QVideoFrame::ReadWrite:
return QLatin1String("ReadWrite");
default:
return QLatin1String("Unknown");
}
}
void generateImageAndMemoryBuffersWithAllModes(const MapModes& modes = validMapModes) const
{
QTest::addColumn<BufferPtr>("buffer");
QTest::addColumn<QVideoFrame::MapMode>("mapMode");
for (auto mode : modes) {
QTest::newRow(QString("ImageBuffer, %1").arg(mapModeToString(mode)).toUtf8().constData())
<< createImageBuffer() << mode;
QTest::newRow(QString("MemoryBuffer, %1").arg(mapModeToString(mode)).toUtf8().constData())
<< createMemoryBuffer() << mode;
}
}
BufferPtr createImageBuffer() const
{
return std::make_shared<QImageVideoBuffer>(m_image);
}
BufferPtr createMemoryBuffer() const
{
return std::make_shared<QMemoryVideoBuffer>(m_byteArray, m_byteArray.size() / m_image.height());
}
QImage m_image = { QSize(5, 4), QImage::Format_RGBA8888 };
QByteArray m_byteArray;
};
void tst_QVideoBuffers::initTestCase()
{
m_image.fill(Qt::gray);
m_image.setPixelColor(0, 0, Qt::green);
m_image.setPixelColor(m_image.width() - 1, 0, Qt::blue);
m_image.setPixelColor(0, m_image.height() - 1, Qt::red);
m_byteArray.assign(m_image.constBits(), m_image.constBits() + m_image.sizeInBytes());
}
void tst_QVideoBuffers::map_changesMappedStateAndReturnsProperMappings_whenBufferIsNotMapped_data()
{
generateImageAndMemoryBuffersWithAllModes();
}
void tst_QVideoBuffers::map_changesMappedStateAndReturnsProperMappings_whenBufferIsNotMapped()
{
QFETCH(BufferPtr, buffer);
QFETCH(QVideoFrame::MapMode, mapMode);
auto mappedData = buffer->map(mapMode);
QCOMPARE(buffer->mapMode(), mapMode);
QCOMPARE(mappedData.nPlanes, 1);
QVERIFY(mappedData.data[0]);
QCOMPARE(mappedData.size[0], 80);
QCOMPARE(mappedData.bytesPerLine[0], 20);
const auto data = reinterpret_cast<const char*>(mappedData.data[0]);
QCOMPARE(QByteArray(data, mappedData.size[0]), m_byteArray);
}
void tst_QVideoBuffers::mapWithNotMappedMode_doesNothing_data()
{
generateImageAndMemoryBuffersWithAllModes();
}
void tst_QVideoBuffers::mapWithNotMappedMode_doesNothing()
{
QFETCH(BufferPtr, buffer);
QFETCH(QVideoFrame::MapMode, mapMode);
buffer->map(mapMode);
buffer->map(QVideoFrame::NotMapped);
QCOMPARE(buffer->mapMode(), mapMode);
}
void tst_QVideoBuffers::map_doesNothing_whenBufferIsMapped_data()
{
generateImageAndMemoryBuffersWithAllModes();
}
void tst_QVideoBuffers::map_doesNothing_whenBufferIsMapped()
{
QFETCH(BufferPtr, buffer);
QFETCH(QVideoFrame::MapMode, mapMode);
buffer->map(mapMode);
auto mappedData = buffer->map(QVideoFrame::ReadOnly);
QCOMPARE(mappedData.nPlanes, 0);
QCOMPARE(buffer->mapMode(), mapMode);
}
void tst_QVideoBuffers::mapMemoryBufferWithReadOnly_doesntDetachArray()
{
auto buffer = createMemoryBuffer();
auto underlyingArray = buffer->underlyingByteArray(0);
auto mappedData = buffer->map(QVideoFrame::ReadOnly);
QCOMPARE(mappedData.nPlanes, 1);
QCOMPARE(mappedData.data[0], reinterpret_cast<const uchar *>(underlyingArray.constData()));
QCOMPARE(mappedData.data[0], reinterpret_cast<const uchar *>(m_byteArray.constData()));
}
void tst_QVideoBuffers::mapMemoryBufferWithWriteModes_detachsArray_data()
{
QTest::addColumn<QVideoFrame::MapMode>("mapMode");
QTest::newRow(mapModeToString(QVideoFrame::WriteOnly).toUtf8().constData()) << QVideoFrame::WriteOnly;
QTest::newRow(mapModeToString(QVideoFrame::WriteOnly).toUtf8().constData()) << QVideoFrame::WriteOnly;
}
void tst_QVideoBuffers::mapMemoryBufferWithWriteModes_detachsArray()
{
QFETCH(QVideoFrame::MapMode, mapMode);
auto buffer = createMemoryBuffer();
auto underlyingArray = buffer->underlyingByteArray(0);
auto mappedData = buffer->map(mapMode);
QCOMPARE(mappedData.nPlanes, 1);
QCOMPARE_NE(mappedData.data[0], reinterpret_cast<const uchar *>(underlyingArray.constData()));
}
void tst_QVideoBuffers::underlyingByteArray_returnsCorrectValueForPlanes()
{
auto buffer = createMemoryBuffer();
QCOMPARE(buffer->underlyingByteArray(0).constData(), m_byteArray.constData());
QVERIFY(buffer->underlyingByteArray(-1).isNull());
QVERIFY(buffer->underlyingByteArray(1).isNull());
QVERIFY(buffer->underlyingByteArray(2).isNull());
}
void tst_QVideoBuffers::unmap_resetsMappedState_whenBufferIsMapped_data()
{
generateImageAndMemoryBuffersWithAllModes();
}
void tst_QVideoBuffers::unmap_resetsMappedState_whenBufferIsMapped()
{
QFETCH(BufferPtr, buffer);
QFETCH(QVideoFrame::MapMode, mapMode);
buffer->map(mapMode);
buffer->unmap();
QCOMPARE(buffer->mapMode(), QVideoFrame::NotMapped);
// Check buffer is valid and it's possible to map again
auto mappedData = buffer->map(QVideoFrame::ReadOnly);
QCOMPARE(mappedData.nPlanes, 1);
QCOMPARE(buffer->mapMode(), QVideoFrame::ReadOnly);
const auto data = reinterpret_cast<const char*>(mappedData.data[0]);
QCOMPARE(QByteArray(data, mappedData.size[0]), m_byteArray);
}
void tst_QVideoBuffers::imageBuffer_fixesInputImage_data()
{
QTest::addColumn<QImage::Format>("inputImageFormat");
QTest::addColumn<QImage::Format>("underlyingImageFormat");
QTest::newRow("Format_RGB32 => Format_RGB32") << QImage::Format_RGB32 << QImage::Format_RGB32;
QTest::newRow("Format_ARGB32 => Format_ARGB32")
<< QImage::Format_ARGB32 << QImage::Format_ARGB32;
QTest::newRow("Format_ARGB32_Premultiplied => Format_ARGB32_Premultiplied")
<< QImage::Format_ARGB32_Premultiplied << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_RGBA8888 => Format_RGBA8888")
<< QImage::Format_RGBA8888 << QImage::Format_RGBA8888;
QTest::newRow("Format_RGBA8888_Premultiplied => Format_RGBA8888_Premultiplied")
<< QImage::Format_RGBA8888_Premultiplied << QImage::Format_RGBA8888_Premultiplied;
QTest::newRow("Format_RGBX8888 => Format_RGBX8888")
<< QImage::Format_RGBX8888 << QImage::Format_RGBX8888;
QTest::newRow("Format_Grayscale8 => Format_Grayscale8")
<< QImage::Format_Grayscale8 << QImage::Format_Grayscale8;
QTest::newRow("Format_Grayscale16 => Format_Grayscale16")
<< QImage::Format_Grayscale16 << QImage::Format_Grayscale16;
QTest::newRow("Format_ARGB8565_Premultiplied => Format_ARGB32_Premultiplied")
<< QImage::Format_ARGB8565_Premultiplied << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_ARGB6666_Premultiplied => Format_ARGB32_Premultiplied")
<< QImage::Format_ARGB6666_Premultiplied << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_ARGB8555_Premultiplied => Format_ARGB32_Premultiplied")
<< QImage::Format_ARGB8555_Premultiplied << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_ARGB4444_Premultiplied => Format_ARGB32_Premultiplied")
<< QImage::Format_ARGB4444_Premultiplied << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_A2BGR30_Premultiplied => Format_ARGB32_Premultiplied")
<< QImage::Format_A2BGR30_Premultiplied << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_A2RGB30_Premultiplied => Format_ARGB32_Premultiplied")
<< QImage::Format_A2RGB30_Premultiplied << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_RGBA64_Premultiplied => Format_ARGB32_Premultiplied")
<< QImage::Format_RGBA64_Premultiplied << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_RGBA16FPx4_Premultiplied => Format_ARGB32_Premultiplied")
<< QImage::Format_RGBA16FPx4_Premultiplied << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_RGBA32FPx4_Premultiplied => Format_ARGB32_Premultiplied")
<< QImage::Format_RGBA32FPx4_Premultiplied << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_Alpha8 => Format_ARGB32")
<< QImage::Format_Alpha8 << QImage::Format_ARGB32;
QTest::newRow("Format_RGBA64 => Format_ARGB32")
<< QImage::Format_RGBA64 << QImage::Format_ARGB32;
QTest::newRow("Format_RGBA16FPx4 => Format_ARGB32")
<< QImage::Format_RGBA16FPx4 << QImage::Format_ARGB32;
QTest::newRow("Format_RGBA32FPx4 => Format_ARGB32")
<< QImage::Format_RGBA32FPx4 << QImage::Format_ARGB32;
}
void tst_QVideoBuffers::imageBuffer_fixesInputImage()
{
QFETCH(QImage::Format, inputImageFormat);
QFETCH(QImage::Format, underlyingImageFormat);
m_image.convertTo(inputImageFormat);
QImageVideoBuffer buffer(m_image);
auto underlyingImage = buffer.underlyingImage();
QCOMPARE(underlyingImage.format(), underlyingImageFormat);
QCOMPARE_NE(QVideoFrameFormat::pixelFormatFromImageFormat(underlyingImage.format()),
QVideoFrameFormat::Format_Invalid);
QCOMPARE(m_image.convertedTo(underlyingImageFormat), underlyingImage);
if (inputImageFormat == underlyingImageFormat)
QCOMPARE(m_image.constBits(), underlyingImage.constBits());
}
QTEST_APPLESS_MAIN(tst_QVideoBuffers);
#include "tst_qvideobuffers.moc"
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