#include <qvideowindow_p.h>

Collaboration diagram for QVideoWindowPrivate:

Public Types
enum	{ NVideoFrameSlots = 4 }

Public Member Functions
	QVideoWindowPrivate (QVideoWindow *q)

	~QVideoWindowPrivate ()

bool	canRender () const

QRhi *	rhi () const

void	init ()

void	render ()

void	initRhi ()

void	resizeSwapChain ()

void	releaseSwapChain ()

void	updateTextures (QRhiResourceUpdateBatch *rub)

void	updateSubtitle (QRhiResourceUpdateBatch *rub, const QSize &frameSize)

void	setupGraphicsPipeline (QRhiGraphicsPipeline pipeline, QRhiShaderResourceBindings bindings, const QVideoFrameFormat &fmt)

Public Attributes
QVideoWindow *	q = nullptr

Qt::AspectRatioMode	aspectRatioMode = Qt::KeepAspectRatio

QBackingStore *	backingStore = nullptr

std::unique_ptr< QRhi >	m_rhi

std::unique_ptr< QRhiSwapChain >	m_swapChain

std::unique_ptr< QRhiRenderPassDescriptor >	m_renderPass

std::unique_ptr< QRhiBuffer >	m_vertexBuf

bool	m_vertexBufReady = false

std::unique_ptr< QRhiBuffer >	m_uniformBuf

std::unique_ptr< QVideoFrameTextures >	m_frameTextures

std::unique_ptr< QRhiSampler >	m_textureSampler

std::unique_ptr< QRhiShaderResourceBindings >	m_shaderResourceBindings

std::unique_ptr< QRhiGraphicsPipeline >	m_graphicsPipeline

std::unique_ptr< QRhiTexture >	m_subtitleTexture

std::unique_ptr< QRhiShaderResourceBindings >	m_subtitleResourceBindings

std::unique_ptr< QRhiGraphicsPipeline >	m_subtitlePipeline

std::unique_ptr< QRhiBuffer >	m_subtitleUniformBuf

std::unique_ptr< QVideoSink >	m_sink

QRhi::Implementation	m_graphicsApi = QRhi::Null

QVideoFrame	m_currentFrame

QVideoTextureHelper::SubtitleLayout	m_subtitleLayout

QVideoFrame	m_videoFrameSlots [NVideoFrameSlots]

bool	initialized = false

bool	isExposed = false

bool	m_useRhi = true

bool	m_hasSwapChain = false

bool	m_texturesDirty = true

bool	m_subtitleDirty = false

bool	m_hasSubtitle = false

QVideoFrameFormat	format

Detailed Description

Definition at line 31 of file qvideowindow_p.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
NVideoFrameSlots

Definition at line 82 of file qvideowindow_p.h.

Constructor & Destructor Documentation

◆ QVideoWindowPrivate()

QVideoWindowPrivate::QVideoWindowPrivate ( QVideoWindow * q )

Definition at line 36 of file qvideowindow.cpp.

References QObject::connect(), QRhi::D3D11, QSurface::Direct3DSurface, m_graphicsApi, m_sink, QRhi::Metal, QSurface::MetalSurface, QRhi::Null, QRhi::OpenGLES2, QSurface::OpenGLSurface, QSurface::OpenVGSurface, QGuiApplicationPrivate::platformIntegration(), platformSurfaceType(), Q_ASSERT, QSurface::RasterGLSurface, QSurface::RasterSurface, QPlatformIntegration::RhiBasedRendering, QVideoSink::videoFrameChanged(), QRhi::Vulkan, and QSurface::VulkanSurface.

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◆ ~QVideoWindowPrivate()

QVideoWindowPrivate::~QVideoWindowPrivate ( )

Definition at line 70 of file qvideowindow.cpp.

References QObject::disconnect(), m_sink, and QVideoSink::videoFrameChanged().

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Member Function Documentation

◆ canRender()

bool QVideoWindowPrivate::canRender ( ) const

inline

Definition at line 35 of file qvideowindow_p.h.

References m_useRhi.

◆ init()

void QVideoWindowPrivate::init ( )

Definition at line 279 of file qvideowindow.cpp.

References backingStore, initialized, initRhi(), m_rhi, and m_sink.

Referenced by render().

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◆ initRhi()

void QVideoWindowPrivate::initRhi ( )

Definition at line 110 of file qvideowindow.cpp.

References QRhiSampler::ClampToEdge, QRhi::create(), QRhi::D3D11, QRhiBuffer::Dynamic, QRhi::FramesInFlight, g_vw_quad, QRhiSwapChain::HDRExtendedSrgbLinear, QRhiBuffer::Immutable, QRhiSampler::Linear, m_graphicsApi, m_renderPass, m_rhi, m_shaderResourceBindings, m_subtitleResourceBindings, m_subtitleUniformBuf, m_swapChain, m_textureSampler, m_uniformBuf, m_vertexBuf, m_vertexBufReady, QRhi::Metal, QRhiSampler::None, QRhi::Null, NVideoFrameSlots, QRhi::OpenGLES2, q, Q_ASSERT, QRhiBuffer::UniformBuffer, QRhiBuffer::VertexBuffer, and QRhi::Vulkan.

Referenced by init().

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◆ releaseSwapChain()

void QVideoWindowPrivate::releaseSwapChain ( )

Definition at line 298 of file qvideowindow.cpp.

References m_hasSwapChain, and m_swapChain.

◆ render()

void QVideoWindowPrivate::render ( )

Definition at line 306 of file qvideowindow.cpp.

References aspectRatioMode, backingStore, QBackingStore::beginPaint(), Qt::black, QVideoTextureHelper::SubtitleLayout::bounds, cb, QRectF::center(), QRhiSwapChainHdrInfo::ColorComponentValue, QByteArray::constData(), device, QPainter::end(), QBackingStore::endPaint(), QBackingStore::flush(), fmt, QVideoFrameFormat::Format_ARGB8888, QRhi::FrameOpSuccess, QRhi::FrameOpSwapChainOutOfDate, frameSize(), g_vw_quad, QRhiSwapChain::HDRExtendedSrgbLinear, QRect::height(), QRectF::height(), info, init(), initialized, QRect::intersected(), isExposed, m_currentFrame, m_graphicsPipeline, m_hasSubtitle, m_hasSwapChain, m_rhi, m_shaderResourceBindings, m_subtitleDirty, m_subtitleLayout, m_subtitlePipeline, m_subtitleResourceBindings, m_subtitleUniformBuf, m_swapChain, m_texturesDirty, m_uniformBuf, m_vertexBuf, m_vertexBufReady, m_videoFrameSlots, QVideoFrame::mirrored(), QRect::moveCenter(), QVideoFrame::paint(), QBackingStore::paintDevice(), painter, qWarning, rect, QBackingStore::resize(), resizeSwapChain(), QVideoFrame::rotationAngle(), QMatrix4x4::scale(), scaled(), QSize::scaled(), QBackingStore::size(), QVideoFrame::size(), QByteArray::size(), QRect::size(), QRectF::size(), QVideoFrame::surfaceFormat(), QRect::top(), QSizeF::toSize(), QMatrix4x4::translate(), QSize::transpose(), QRhiResourceUpdateBatch::updateDynamicBuffer(), updateSubtitle(), updateTextures(), QVideoTextureHelper::updateUniformData(), QRhiResourceUpdateBatch::uploadStaticBuffer(), QVideoTextureHelper::SubtitleLayout::videoSize, QRect::width(), QRectF::width(), and QPointF::y().

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◆ resizeSwapChain()

void QVideoWindowPrivate::resizeSwapChain ( )

Definition at line 293 of file qvideowindow.cpp.

References m_hasSwapChain, and m_swapChain.

Referenced by render().

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◆ rhi()

QRhi * QVideoWindowPrivate::rhi ( ) const

inline

Definition at line 37 of file qvideowindow_p.h.

References m_rhi.

◆ setupGraphicsPipeline()

void QVideoWindowPrivate::setupGraphicsPipeline	(	QRhiGraphicsPipeline *	pipeline,
		QRhiShaderResourceBindings *	bindings,
		const QVideoFrameFormat &	fmt
	)

Definition at line 181 of file qvideowindow.cpp.

References QRhiGraphicsPipeline::create(), QRhiVertexInputAttribute::Float2, fmt, QRhiShaderStage::Fragment, QVideoTextureHelper::fragmentShaderFileName(), QShader::isValid(), m_renderPass, m_swapChain, Q_ASSERT, QRhiVertexInputLayout::setAttributes(), QRhiVertexInputLayout::setBindings(), QRhiGraphicsPipeline::setRenderPassDescriptor(), QRhiGraphicsPipeline::setShaderResourceBindings(), QRhiGraphicsPipeline::setShaderStages(), QRhiGraphicsPipeline::setTopology(), QRhiGraphicsPipeline::setVertexInputLayout(), QRhiGraphicsPipeline::TriangleStrip, QRhiShaderStage::Vertex, QVideoTextureHelper::vertexShaderFileName(), and vwGetShader().

Referenced by updateSubtitle(), and updateTextures().

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◆ updateSubtitle()

void QVideoWindowPrivate::updateSubtitle	(	QRhiResourceUpdateBatch *	rub,
		const QSize &	frameSize
	)

Definition at line 243 of file qvideowindow.cpp.

References QVideoTextureHelper::SubtitleLayout::bounds, QRhiGraphicsPipeline::TargetBlend::enable, QVideoFrameFormat::Format_RGBA8888, QRhiShaderResourceBinding::FragmentStage, frameSize(), QString::isEmpty(), m_currentFrame, m_hasSubtitle, m_rhi, m_subtitleDirty, m_subtitleLayout, m_subtitlePipeline, m_subtitleResourceBindings, m_subtitleTexture, m_subtitleUniformBuf, m_textureSampler, QRhiTexture::RGBA8, QRhiShaderResourceBinding::sampledTexture(), setupGraphicsPipeline(), QRectF::size(), QVideoFrame::subtitleText(), QVideoTextureHelper::SubtitleLayout::toImage(), QSizeF::toSize(), QRhiShaderResourceBinding::uniformBuffer(), QVideoTextureHelper::SubtitleLayout::update(), QRhiResourceUpdateBatch::uploadTexture(), and QRhiShaderResourceBinding::VertexStage.

Referenced by render().

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◆ updateTextures()

void QVideoWindowPrivate::updateTextures ( QRhiResourceUpdateBatch * rub )

Definition at line 207 of file qvideowindow.cpp.

References QVideoTextureHelper::createTextures(), fmt, QVideoFrameFormat::Format_RGBA8888, QRhiShaderResourceBinding::FragmentStage, i, QVideoFrame::isValid(), m_currentFrame, m_frameTextures, m_graphicsPipeline, m_rhi, m_shaderResourceBindings, m_textureSampler, m_texturesDirty, m_uniformBuf, QRhiShaderResourceBinding::sampledTexture(), setupGraphicsPipeline(), QVideoFrame::surfaceFormat(), QVideoTextureHelper::textureDescription(), QRhiShaderResourceBinding::uniformBuffer(), and QRhiShaderResourceBinding::VertexStage.

Referenced by render().

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Member Data Documentation

◆ aspectRatioMode

Qt::AspectRatioMode QVideoWindowPrivate::aspectRatioMode = Qt::KeepAspectRatio

Definition at line 53 of file qvideowindow_p.h.

Referenced by render().

◆ backingStore

QBackingStore* QVideoWindowPrivate::backingStore = nullptr

Definition at line 55 of file qvideowindow_p.h.

Referenced by init(), and render().

◆ format

QVideoFrameFormat QVideoWindowPrivate::format

Definition at line 92 of file qvideowindow_p.h.

◆ initialized

bool QVideoWindowPrivate::initialized = false

Definition at line 85 of file qvideowindow_p.h.

Referenced by init(), and render().

◆ isExposed

bool QVideoWindowPrivate::isExposed = false

Definition at line 86 of file qvideowindow_p.h.

Referenced by render().

◆ m_currentFrame

QVideoFrame QVideoWindowPrivate::m_currentFrame

Definition at line 79 of file qvideowindow_p.h.

Referenced by render(), updateSubtitle(), and updateTextures().

◆ m_frameTextures

std::unique_ptr<QVideoFrameTextures> QVideoWindowPrivate::m_frameTextures

Definition at line 67 of file qvideowindow_p.h.

Referenced by updateTextures().

◆ m_graphicsApi

QRhi::Implementation QVideoWindowPrivate::m_graphicsApi = QRhi::Null

Definition at line 78 of file qvideowindow_p.h.

Referenced by QVideoWindowPrivate(), and initRhi().

◆ m_graphicsPipeline

std::unique_ptr<QRhiGraphicsPipeline> QVideoWindowPrivate::m_graphicsPipeline

Definition at line 70 of file qvideowindow_p.h.

Referenced by render(), and updateTextures().

◆ m_hasSubtitle

bool QVideoWindowPrivate::m_hasSubtitle = false

Definition at line 91 of file qvideowindow_p.h.

Referenced by render(), and updateSubtitle().

◆ m_hasSwapChain

bool QVideoWindowPrivate::m_hasSwapChain = false

Definition at line 88 of file qvideowindow_p.h.

Referenced by releaseSwapChain(), render(), and resizeSwapChain().

◆ m_renderPass

std::unique_ptr<QRhiRenderPassDescriptor> QVideoWindowPrivate::m_renderPass

Definition at line 62 of file qvideowindow_p.h.

Referenced by initRhi(), and setupGraphicsPipeline().

◆ m_rhi

std::unique_ptr<QRhi> QVideoWindowPrivate::m_rhi

Definition at line 60 of file qvideowindow_p.h.

Referenced by init(), initRhi(), render(), rhi(), updateSubtitle(), and updateTextures().

◆ m_shaderResourceBindings

std::unique_ptr<QRhiShaderResourceBindings> QVideoWindowPrivate::m_shaderResourceBindings

Definition at line 69 of file qvideowindow_p.h.

Referenced by initRhi(), render(), and updateTextures().

◆ m_sink

std::unique_ptr<QVideoSink> QVideoWindowPrivate::m_sink

Definition at line 77 of file qvideowindow_p.h.

Referenced by QVideoWindowPrivate(), ~QVideoWindowPrivate(), and init().

◆ m_subtitleDirty

bool QVideoWindowPrivate::m_subtitleDirty = false

Definition at line 90 of file qvideowindow_p.h.

Referenced by render(), and updateSubtitle().

◆ m_subtitleLayout

QVideoTextureHelper::SubtitleLayout QVideoWindowPrivate::m_subtitleLayout

Definition at line 80 of file qvideowindow_p.h.

Referenced by render(), and updateSubtitle().

◆ m_subtitlePipeline

std::unique_ptr<QRhiGraphicsPipeline> QVideoWindowPrivate::m_subtitlePipeline

Definition at line 74 of file qvideowindow_p.h.

Referenced by render(), and updateSubtitle().

◆ m_subtitleResourceBindings

std::unique_ptr<QRhiShaderResourceBindings> QVideoWindowPrivate::m_subtitleResourceBindings

Definition at line 73 of file qvideowindow_p.h.

Referenced by initRhi(), render(), and updateSubtitle().

◆ m_subtitleTexture

std::unique_ptr<QRhiTexture> QVideoWindowPrivate::m_subtitleTexture

Definition at line 72 of file qvideowindow_p.h.

Referenced by updateSubtitle().

◆ m_subtitleUniformBuf

std::unique_ptr<QRhiBuffer> QVideoWindowPrivate::m_subtitleUniformBuf

Definition at line 75 of file qvideowindow_p.h.

Referenced by initRhi(), render(), and updateSubtitle().

◆ m_swapChain

std::unique_ptr<QRhiSwapChain> QVideoWindowPrivate::m_swapChain

Definition at line 61 of file qvideowindow_p.h.

Referenced by initRhi(), releaseSwapChain(), render(), resizeSwapChain(), and setupGraphicsPipeline().

◆ m_textureSampler

std::unique_ptr<QRhiSampler> QVideoWindowPrivate::m_textureSampler

Definition at line 68 of file qvideowindow_p.h.

Referenced by initRhi(), updateSubtitle(), and updateTextures().

◆ m_texturesDirty

bool QVideoWindowPrivate::m_texturesDirty = true

Definition at line 89 of file qvideowindow_p.h.

Referenced by render(), and updateTextures().

◆ m_uniformBuf

std::unique_ptr<QRhiBuffer> QVideoWindowPrivate::m_uniformBuf

Definition at line 66 of file qvideowindow_p.h.

Referenced by initRhi(), render(), and updateTextures().

◆ m_useRhi

bool QVideoWindowPrivate::m_useRhi = true

Definition at line 87 of file qvideowindow_p.h.

Referenced by canRender().

◆ m_vertexBuf

std::unique_ptr<QRhiBuffer> QVideoWindowPrivate::m_vertexBuf

Definition at line 64 of file qvideowindow_p.h.

Referenced by initRhi(), and render().

◆ m_vertexBufReady

bool QVideoWindowPrivate::m_vertexBufReady = false

Definition at line 65 of file qvideowindow_p.h.

Referenced by initRhi(), and render().

◆ m_videoFrameSlots

QVideoFrame QVideoWindowPrivate::m_videoFrameSlots[NVideoFrameSlots]

Definition at line 83 of file qvideowindow_p.h.

Referenced by render().

◆ q

QVideoWindow* QVideoWindowPrivate::q = nullptr

Definition at line 52 of file qvideowindow_p.h.

Referenced by initRhi().

The documentation for this class was generated from the following files:

qtmultimedia/src/multimedia/video/qvideowindow_p.h
qtmultimedia/src/multimedia/video/qvideowindow.cpp

Public Types

Public Member Functions

Public Attributes

Detailed Description

Member Enumeration Documentation

◆ anonymous enum

Constructor & Destructor Documentation

◆ QVideoWindowPrivate()

◆ ~QVideoWindowPrivate()

Member Function Documentation

◆ canRender()

◆ init()

◆ initRhi()

◆ releaseSwapChain()

◆ render()

◆ resizeSwapChain()

◆ rhi()

◆ setupGraphicsPipeline()

◆ updateSubtitle()

◆ updateTextures()

Member Data Documentation

◆ aspectRatioMode

◆ backingStore

◆ format

◆ initialized

◆ isExposed

◆ m_currentFrame

◆ m_frameTextures

◆ m_graphicsApi

◆ m_graphicsPipeline

◆ m_hasSubtitle

◆ m_hasSwapChain

◆ m_renderPass

◆ m_rhi

◆ m_shaderResourceBindings

◆ m_sink

◆ m_subtitleDirty

◆ m_subtitleLayout

◆ m_subtitlePipeline

◆ m_subtitleResourceBindings

◆ m_subtitleTexture

◆ m_subtitleUniformBuf

◆ m_swapChain

◆ m_textureSampler

◆ m_texturesDirty

◆ m_uniformBuf

◆ m_useRhi

◆ m_vertexBuf

◆ m_vertexBufReady

◆ m_videoFrameSlots

◆ q