#include <VideoRenderer.h>

Inheritance diagram for QtAV::VideoRenderer:

Public Types
enum	OutAspectRatioMode { RendererAspectRatio, VideoAspectRatio, CustomAspectRation }

enum	Quality { QualityDefault, QualityBest, QualityFastest }

Public Member Functions
	VideoRenderer ()

virtual	~VideoRenderer ()

virtual VideoRendererId	id () const =0

bool	receive (const VideoFrame &frame)

bool	setPreferredPixelFormat (VideoFormat::PixelFormat pixfmt)
	setPreferredPixelFormat More...

virtual VideoFormat::PixelFormat	preferredPixelFormat () const
	preferredPixelFormat More...

void	forcePreferredPixelFormat (bool force=true)
	forcePreferredPixelFormat force to use preferredPixelFormat() even if incoming format is supported More...

bool	isPreferredPixelFormatForced () const

virtual bool	isSupported (VideoFormat::PixelFormat pixfmt) const =0

qreal	sourceAspectRatio () const
	sourceAspectRatio The display aspect ratio of received video frame. More...

void	setOutAspectRatioMode (OutAspectRatioMode mode)

OutAspectRatioMode	outAspectRatioMode () const

void	setOutAspectRatio (qreal ratio)

qreal	outAspectRatio () const

void	setQuality (Quality q)

Quality	quality () const

void	resizeRenderer (const QSize &size)

void	resizeRenderer (int width, int height)

QSize	rendererSize () const

int	rendererWidth () const

int	rendererHeight () const

QSize	videoFrameSize () const

int	orientation () const
	orientation 0, 90, 180, 270. More...

void	setOrientation (int value)

QRect	videoRect () const

QRectF	regionOfInterest () const

void	setRegionOfInterest (qreal x, qreal y, qreal width, qreal height)

void	setRegionOfInterest (const QRectF &roi)

QRect	realROI () const

QRectF	normalizedROI () const

QPointF	mapToFrame (const QPointF &p) const
	mapToFrame map point in VideoRenderer coordinate to VideoFrame, with current ROI More...

QPointF	mapFromFrame (const QPointF &p) const
	mapFromFrame map point in VideoFrame coordinate to VideoRenderer, with current ROI More...

virtual QWindow *	qwindow ()

virtual QWidget *	widget ()
	widget More...

virtual QGraphicsItem *	graphicsItem ()
	graphicsItem More...

qreal	brightness () const
	brightness, contrast, hue, saturation values range between -1.0 and 1.0, the default is 0. More...

bool	setBrightness (qreal brightness)

qreal	contrast () const

bool	setContrast (qreal contrast)

qreal	hue () const

bool	setHue (qreal hue)

qreal	saturation () const

bool	setSaturation (qreal saturation)

QColor	backgroundColor () const

void	setBackgroundColor (const QColor &c)

virtual OpenGLVideo *	opengl () const
	opengl Currently you can only use it to set custom shader OpenGLVideo.setUserShader() More...

Public Member Functions inherited from QtAV::AVOutput
	AVOutput ()

virtual	~AVOutput ()

bool	isAvailable () const

void	pause (bool p)

bool	isPaused () const

QList< Filter * > &	filters ()

bool	installFilter (Filter *filter, int index=0x7fffffff)
	installFilter Insert a filter at position 'index' of current filter list. More...

bool	uninstallFilter (Filter *filter)

Static Public Member Functions
template<class C >
static bool	Register (VideoRendererId id, const char *name)

static VideoRenderer *	create (VideoRendererId id)

static VideoRenderer *	create (const char *name)

static VideoRendererId *	next (VideoRendererId *id=0)
	next More...

static const char *	name (VideoRendererId id)

static VideoRendererId	id (const char *name)

Protected Member Functions
	VideoRenderer (VideoRendererPrivate &d)

virtual bool	receiveFrame (const VideoFrame &frame)=0

QRegion	backgroundRegion () const

virtual void	drawBackground ()

virtual void	drawFrame ()=0

virtual void	handlePaintEvent ()

virtual void	updateUi ()

Protected Member Functions inherited from QtAV::AVOutput
	AVOutput (AVOutputPrivate &d)

Q_DECL_DEPRECATED bool	tryPause ()

void	addOutputSet (OutputSet *set)

void	removeOutputSet (OutputSet *set)

void	attach (OutputSet *set)

void	detach (OutputSet *set=0)

void	hanlePendingTasks ()

Friends
class	VideoOutput

Member Enumeration Documentation

enum QtAV::VideoRenderer::OutAspectRatioMode

Enumerator
RendererAspectRatio
VideoAspectRatio
CustomAspectRation

enum QtAV::VideoRenderer::Quality

Enumerator
QualityDefault
QualityBest
QualityFastest

Constructor & Destructor Documentation

QtAV::VideoRenderer::VideoRenderer ( )

virtual QtAV::VideoRenderer::~VideoRenderer ( )

virtual

QtAV::VideoRenderer::VideoRenderer ( VideoRendererPrivate & d )

protected

Member Function Documentation

QColor QtAV::VideoRenderer::backgroundColor ( ) const

QRegion QtAV::VideoRenderer::backgroundRegion ( ) const

protected

qreal QtAV::VideoRenderer::brightness ( ) const

brightness, contrast, hue, saturation values range between -1.0 and 1.0, the default is 0.

value is not changed if does not implementd and onChangingXXX() returns false. video widget/item will update after if onChangingXXX/setXXX returns true

Returns: false if failed to set (may be onChangingXXX not implemented or return false)

qreal QtAV::VideoRenderer::contrast ( ) const

static VideoRenderer* QtAV::VideoRenderer::create ( VideoRendererId id )

static

static VideoRenderer* QtAV::VideoRenderer::create ( const char * name )

static

virtual void QtAV::VideoRenderer::drawBackground ( )

protectedvirtual

Reimplemented in QtAV::VideoOutput, QtAV::OpenGLRendererBase, and QtAV::QPainterRenderer.

virtual void QtAV::VideoRenderer::drawFrame ( )

protectedpure virtual

Implemented in QtAV::VideoOutput, QtAV::OpenGLRendererBase, and QtAV::QPainterRenderer.

void QtAV::VideoRenderer::forcePreferredPixelFormat ( bool force = true )

forcePreferredPixelFormat force to use preferredPixelFormat() even if incoming format is supported

Parameters

force

virtual QGraphicsItem* QtAV::VideoRenderer::graphicsItem ( )

inlinevirtual

graphicsItem

Returns: default is 0. A QGraphicsItem subclass can return this

Reimplemented in QtAV::VideoOutput.

virtual void QtAV::VideoRenderer::handlePaintEvent ( )

protectedvirtual

Reimplemented in QtAV::VideoOutput.

qreal QtAV::VideoRenderer::hue ( ) const

static VideoRendererId QtAV::VideoRenderer::id ( const char * name )

static

virtual VideoRendererId QtAV::VideoRenderer::id ( ) const

pure virtual

Implemented in QtAV::VideoOutput, and QtAV::OpenGLWindowRenderer.

bool QtAV::VideoRenderer::isPreferredPixelFormatForced ( ) const

virtual bool QtAV::VideoRenderer::isSupported ( VideoFormat::PixelFormat pixfmt ) const

pure virtual

Implemented in QtAV::VideoOutput, QtAV::OpenGLRendererBase, and QtAV::QPainterRenderer.

QPointF QtAV::VideoRenderer::mapFromFrame ( const QPointF & p ) const

mapFromFrame map point in VideoFrame coordinate to VideoRenderer, with current ROI

QPointF QtAV::VideoRenderer::mapToFrame ( const QPointF & p ) const

mapToFrame map point in VideoRenderer coordinate to VideoFrame, with current ROI

static const char* QtAV::VideoRenderer::name ( VideoRendererId id )

static

static VideoRendererId* QtAV::VideoRenderer::next ( VideoRendererId * id = 0 )

static

id	NULL to get the first id address

Returns: address of id or NULL if not found/end

QRectF QtAV::VideoRenderer::normalizedROI ( ) const

virtual OpenGLVideo* QtAV::VideoRenderer::opengl ( ) const

inlinevirtual

opengl Currently you can only use it to set custom shader OpenGLVideo.setUserShader()

Reimplemented in QtAV::VideoOutput, and QtAV::OpenGLRendererBase.

int QtAV::VideoRenderer::orientation ( ) const

orientation 0, 90, 180, 270.

other values are ignored outAspectRatio() corresponds with orientation == 0. displayed aspect ratio may change if orientation is not 0

qreal QtAV::VideoRenderer::outAspectRatio ( ) const

OutAspectRatioMode QtAV::VideoRenderer::outAspectRatioMode ( ) const

virtual VideoFormat::PixelFormat QtAV::VideoRenderer::preferredPixelFormat ( ) const

virtual

preferredPixelFormat

Returns: preferred pixel format. e.g. WidgetRenderer is rgb formats.

Reimplemented in QtAV::VideoOutput.

Quality QtAV::VideoRenderer::quality ( ) const

virtual QWindow* QtAV::VideoRenderer::qwindow ( )

inlinevirtual

Reimplemented in QtAV::VideoOutput, and QtAV::OpenGLWindowRenderer.

QRect QtAV::VideoRenderer::realROI ( ) const

bool QtAV::VideoRenderer::receive ( const VideoFrame & frame )

virtual bool QtAV::VideoRenderer::receiveFrame ( const VideoFrame & frame )

protectedpure virtual

Implemented in QtAV::VideoOutput, and QtAV::OpenGLRendererBase.

QRectF QtAV::VideoRenderer::regionOfInterest ( ) const

template<class C >

static bool QtAV::VideoRenderer::Register	(	VideoRendererId	id,
		const char *	name
	)

inlinestatic

int QtAV::VideoRenderer::rendererHeight ( ) const

QSize QtAV::VideoRenderer::rendererSize ( ) const

int QtAV::VideoRenderer::rendererWidth ( ) const

void QtAV::VideoRenderer::resizeRenderer ( const QSize & size )

void QtAV::VideoRenderer::resizeRenderer	(	int	width,
		int	height
	)

qreal QtAV::VideoRenderer::saturation ( ) const

void QtAV::VideoRenderer::setBackgroundColor ( const QColor & c )

bool QtAV::VideoRenderer::setBrightness ( qreal brightness )

bool QtAV::VideoRenderer::setContrast ( qreal contrast )

bool QtAV::VideoRenderer::setHue ( qreal hue )

void QtAV::VideoRenderer::setOrientation ( int value )

void QtAV::VideoRenderer::setOutAspectRatio ( qreal ratio )

void QtAV::VideoRenderer::setOutAspectRatioMode ( OutAspectRatioMode mode )

bool QtAV::VideoRenderer::setPreferredPixelFormat ( VideoFormat::PixelFormat pixfmt )

setPreferredPixelFormat

Parameters

pixfmt pixfmt will be used if decoded format is not supported by this renderer. otherwise, use decoded format. return false if pixfmt is not supported and not changed.

void QtAV::VideoRenderer::setQuality ( Quality q )

void QtAV::VideoRenderer::setRegionOfInterest	(	qreal	x,
		qreal	y,
		qreal	width,
		qreal	height
	)

void QtAV::VideoRenderer::setRegionOfInterest ( const QRectF & roi )

bool QtAV::VideoRenderer::setSaturation ( qreal saturation )

qreal QtAV::VideoRenderer::sourceAspectRatio ( ) const

sourceAspectRatio The display aspect ratio of received video frame.

0 for an invalid frame. sourceAspectRatioChanged() (a signal for QObject renderers) will be called if the new frame has a different DAR.

virtual void QtAV::VideoRenderer::updateUi ( )

protectedvirtual

QSize QtAV::VideoRenderer::videoFrameSize ( ) const

QRect QtAV::VideoRenderer::videoRect ( ) const

virtual QWidget* QtAV::VideoRenderer::widget ( )

inlinevirtual

widget

Returns: default is 0. A QWidget subclass can return this

Reimplemented in QtAV::VideoOutput.

Friends And Related Function Documentation

friend class VideoOutput

friend

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

src/core/3rdparty/QtAV/VideoRenderer.h

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Friends

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation