#include <libmythtv/mythvideooutnull.h>

Inheritance diagram for MythVideoOutputNull:

Collaboration diagram for MythVideoOutputNull:

Public Member Functions
	~MythVideoOutputNull () override=default

bool	Init (QSize VideoDim, QSize VideoDispDim, float VideoAspect, QRect DisplayVisibleRect, MythCodecID CodecID) override

void	SetDeinterlacing (bool Enable, bool DoubleRate, MythDeintType Force=DEINT_NONE) override

void	PrepareFrame (MythVideoFrame *Frame, FrameScanType Scan) override

void	RenderFrame (MythVideoFrame *Frame, FrameScanType Scan) override

void	RenderEnd () override

void	EndFrame () override

bool	InputChanged (QSize VideoDim, QSize VideoDispDim, float VideoAspect, MythCodecID CodecID, bool &AspectOnly, int ReferenceFrames, bool ForceChange) override
	Tells video output to discard decoded frames and wait for new ones. More...

Public Member Functions inherited from MythVideoOutput
	~MythVideoOutput () override=default

virtual bool	Init (QSize VideoDim, QSize VideoDispDim, float VideoAspect, QRect WindowRect, MythCodecID CodecID)

virtual void	SetVideoFrameRate (float VideoFrameRate)

virtual void	SetDeinterlacing (bool Enable, bool DoubleRate, MythDeintType Force=DEINT_NONE)

virtual void	PrepareFrame (MythVideoFrame *Frame, FrameScanType Scan=kScan_Ignore)=0

virtual void	RenderFrame (MythVideoFrame *Frame, FrameScanType)=0

virtual void	RenderEnd ()=0

virtual void	EndFrame ()=0

virtual bool	InputChanged (QSize VideoDim, QSize VideoDispDim, float VideoAspect, MythCodecID CodecID, bool &AspectChanged, int ReferenceFrames, bool ForceChange)
	Tells video output to discard decoded frames and wait for new ones. More...

virtual void	GetOSDBounds (QRect &Total, QRect &Visible, float &VisibleAspect, float &FontScaling, float ThemeAspect) const

virtual void	SetFramesPlayed (long long FramesPlayed)

virtual long long	GetFramesPlayed ()

bool	IsErrored () const

VideoErrorState	GetError () const

void	SetPrebuffering (bool Normal)
	Sets whether to use a normal number of buffers or fewer buffers. More...

virtual void	ClearAfterSeek ()
	Tells video output to toss decoded buffers due to a seek. More...

virtual int	ValidVideoFrames () const
	Returns number of frames that are fully decoded. More...

int	FreeVideoFrames ()
	Returns number of frames available for decoding onto. More...

bool	EnoughFreeFrames ()
	Returns true iff enough frames are available to decode onto. More...

bool	EnoughDecodedFrames ()
	Returns true iff there are plenty of decoded frames ready for display. More...

virtual MythVideoFrame *	GetNextFreeFrame ()
	Blocks until it is possible to return a frame for decoding onto. More...

virtual void	ReleaseFrame (MythVideoFrame *Frame)
	Releases a frame from the ready for decoding queue onto the queue of frames ready for display. More...

virtual void	DeLimboFrame (MythVideoFrame *Frame)
	Releases a frame for reuse if it is in limbo. More...

virtual void	StartDisplayingFrame ()
	Tell GetLastShownFrame() to return the next frame from the head of the queue of frames to display. More...

virtual void	DoneDisplayingFrame (MythVideoFrame *Frame)
	Releases frame returned from GetLastShownFrame() onto the queue of frames ready for decoding onto. More...

virtual void	DiscardFrame (MythVideoFrame *Frame)
	Releases frame from any queue onto the queue of frames ready for decoding onto. More...

virtual void	DiscardFrames (bool KeyFrame, bool Flushed)
	Releases all frames not being actively displayed from any queue onto the queue of frames ready for decoding onto. More...

virtual void	CheckFrameStates ()

virtual MythVideoFrame *	GetLastDecodedFrame ()

virtual MythVideoFrame *	GetLastShownFrame ()
	Returns frame from the head of the ready to be displayed queue, if StartDisplayingFrame has been called. More...

QString	GetFrameStatus () const
	Returns string with status of each frame for debugging. More...

QRect	GetImageRect (QRect Rect, QRect *DisplayRect=nullptr)
	translates caption/dvd button rectangle into 'screen' space More...

QRect	GetSafeRect ()
	Returns a QRect describing an area of the screen on which it is 'safe' to render the On Screen Display. More...

PictureAttributeSupported	GetSupportedPictureAttributes ()

virtual void	InitPictureAttributes ()

bool	HasSoftwareFrames () const

virtual void	UpdatePauseFrame (std::chrono::milliseconds &, FrameScanType=kScan_Progressive)

Public Member Functions inherited from MythVideoBounds
	MythVideoBounds ()

	~MythVideoBounds () override=default

bool	InitBounds (QSize VideoDim, QSize VideoDispDim, float Aspect, QRect WindowRect)

void	SetDisplay (MythDisplay *mDisplay)

bool	IsEmbedding (void) const

bool	IsEmbeddingAndHidden () const

QSize	GetVideoDim (void) const

QSize	GetVideoDispDim (void) const

float	GetOverridenVideoAspect (void) const

QRect	GetDisplayVisibleRect (void) const

QRect	GetWindowRect (void) const

QRect	GetRawWindowRect (void) const

QRect	GetVideoRect (void) const

QRect	GetDisplayVideoRect (void) const

QRect	GetEmbeddingRect (void) const

bool	UsingGuiSize (void) const

AdjustFillMode	GetAdjustFill (void) const

float	GetVideoAspect (void) const

float	GetDisplayAspect (void) const

StereoscopicMode	GetStereoOverride () const

bool	VideoIsFullScreen (void) const
	Check whether the video display rect covers the entire window/framebuffer. More...

QRegion	GetBoundingRegion (void) const
	Return the region of DisplayVisibleRect that lies outside of DisplayVideoRect. More...

Static Public Member Functions
static MythVideoOutputNull *	Create (QSize VideoDim, QSize VideoDispDim, float VideoAspect, MythCodecID CodecID)

static void	GetRenderOptions (RenderOptions &Options)

Static Public Member Functions inherited from MythVideoOutput
static void	GetRenderOptions (RenderOptions &Options, MythRender *Render)

Protected Member Functions
	MythVideoOutputNull ()=default

Protected Member Functions inherited from MythVideoOutput
	MythVideoOutput ()

QRect	GetVisibleOSDBounds (float &VisibleAspect, float &FontScaling, float ThemeAspect) const
	Returns visible portions of total OSD bounds. More...

Additional Inherited Members
Public Slots inherited from MythVideoBounds
void	RefreshVideoBoundsState ()
	Send out latest state to listeners. More...

void	ScreenChanged (QScreen *screen)

void	PhysicalDPIChanged (qreal)

void	SourceChanged (QSize VideoDim, QSize VideoDispDim, float Aspect)
	Update for new source video dimensions and aspect ratio. More...

void	VideoAspectRatioChanged (float Aspect)
	Calls SetVideoAspectRatio(float aspect), then calls MoveResize() to apply changes. More...

virtual void	EmbedPlayback (bool Embed, QRect Rect)

void	ToggleAdjustFill (AdjustFillMode AdjustFillMode=kAdjustFill_Toggle)
	Sets up letterboxing for various standard video frame and monitor dimensions, then calls MoveResize() to apply them. More...

void	ToggleAspectOverride (AspectOverrideMode AspectMode=kAspect_Toggle)
	Enforce different aspect ratio than detected, then calls VideoAspectRatioChanged(float) to apply them. More...

void	ResizeDisplayWindow (QRect Rect, bool SaveVisibleRect)
	Resize Display Window. More...

void	MoveResize (void)
	performs all the calculations for video framing and any resizing. More...

void	Zoom (ZoomDirection Direction)
	Sets up zooming into to different parts of the video. More...

void	ToggleMoveBottomLine (void)

void	SaveBottomLine (void)

void	SetVideoScalingAllowed (bool Change)
	Disable or enable underscan/overscan. More...

void	SetDisplayAspect (float DisplayAspect)

void	SetWindowSize (QSize Size)

void	SetITVResize (QRect Rect)

void	SetRotation (int Rotation)
	Set the rotation in degrees. More...

void	SetStereoOverride (StereoscopicMode Mode)

Signals inherited from MythVideoBounds
void	UpdateOSDMessage (const QString &Message)

void	VideoSizeChanged (const QSize &VideoDim, const QSize &VideoDispDim)

void	VideoRectsChanged (const QRect &DisplayVideoRect, const QRect &VideoRect)

void	VisibleRectChanged (const QRect &DisplayVisibleRect)

void	WindowRectChanged (const QRect &WindowRect)

void	VideoBoundsStateChanged (MythVideoBoundsState VideoState)

Protected Attributes inherited from MythVideoOutput
MythVideoColourSpace	m_videoColourSpace

LetterBoxColour	m_dbLetterboxColour { kLetterBoxColour_Black }

uint8_t	m_clearColor { 0 }

uint8_t	m_clearAlpha { 255 }

MythCodecID	m_videoCodecID { kCodec_NONE }

int	m_maxReferenceFrames { 16 }

MythVideoProfilePtr	m_videoProfile { nullptr }

VideoBuffers	m_videoBuffers

VideoErrorState	m_errorState { kError_None }

long long	m_framesPlayed { 0 }

MythAVCopy	m_copyFrame

MythDeinterlacer	m_deinterlacer

const VideoFrameTypes *	m_renderFormats { &MythVideoFrame::kDefaultRenderFormats }

bool	m_deinterlacing { false }

bool	m_deinterlacing2X { false }

MythDeintType	m_forcedDeinterlacer { DEINT_NONE }

Protected Attributes inherited from MythVideoBounds
MythDisplay *	m_display {nullptr}

Detailed Description

Definition at line 7 of file mythvideooutnull.h.

Constructor & Destructor Documentation

◆ ~MythVideoOutputNull()

MythVideoOutputNull::~MythVideoOutputNull ( )

overridedefault

◆ MythVideoOutputNull()

MythVideoOutputNull::MythVideoOutputNull ( )

protecteddefault

Referenced by Create().

Member Function Documentation

◆ Create()

MythVideoOutputNull * MythVideoOutputNull::Create	(	QSize	VideoDim,
		QSize	VideoDispDim,
		float	VideoAspect,
		MythCodecID	CodecID
	)

static

Definition at line 52 of file mythvideooutnull.cpp.

Referenced by MythPlayer::InitVideo().

◆ EndFrame()

void MythVideoOutputNull::EndFrame ( )

inlineoverridevirtual

Implements MythVideoOutput.

Definition at line 21 of file mythvideooutnull.h.

◆ GetRenderOptions()

void MythVideoOutputNull::GetRenderOptions ( RenderOptions & Options )

static

Definition at line 15 of file mythvideooutnull.cpp.

Referenced by MythVideoOutput::GetRenderOptions().

◆ Init()

bool MythVideoOutputNull::Init	(	QSize	VideoDim,
		QSize	VideoDispDim,
		float	VideoAspect,
		QRect	DisplayVisibleRect,
		MythCodecID	CodecID
	)

overridevirtual

Reimplemented from MythVideoOutput.

Definition at line 105 of file mythvideooutnull.cpp.

◆ InputChanged()

bool MythVideoOutputNull::InputChanged	(	QSize	VideoDim,
		QSize	VideoDispDim,
		float	VideoAspect,
		MythCodecID	CodecID,
		bool &	AspectChanged,
		int	ReferenceFrames,
		bool	ForceChange
	)

overridevirtual

Tells video output to discard decoded frames and wait for new ones.

Bug:: We set the new width height and aspect ratio here, but we should do this based on the new video frames in Show().

Reimplemented from MythVideoOutput.

Definition at line 62 of file mythvideooutnull.cpp.

◆ PrepareFrame()

void MythVideoOutputNull::PrepareFrame	(	MythVideoFrame *	Frame,
		FrameScanType	Scan
	)

overridevirtual

Implements MythVideoOutput.

Definition at line 154 of file mythvideooutnull.cpp.

◆ RenderEnd()

void MythVideoOutputNull::RenderEnd ( )

inlineoverridevirtual

Implements MythVideoOutput.

Definition at line 20 of file mythvideooutnull.h.

◆ RenderFrame()

void MythVideoOutputNull::RenderFrame	(	MythVideoFrame *	Frame,
		FrameScanType	Scan
	)

overridevirtual

Implements MythVideoOutput.

Definition at line 145 of file mythvideooutnull.cpp.

◆ SetDeinterlacing()

void MythVideoOutputNull::SetDeinterlacing	(	bool	Enable,
		bool	DoubleRate,
		MythDeintType	Force = `DEINT_NONE`
	)

overridevirtual

Reimplemented from MythVideoOutput.

Definition at line 131 of file mythvideooutnull.cpp.

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

mythtv/libs/libmythtv/mythvideooutnull.h
mythtv/libs/libmythtv/mythvideooutnull.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ~MythVideoOutputNull()

◆ MythVideoOutputNull()

Member Function Documentation

◆ Create()

◆ EndFrame()

◆ GetRenderOptions()

◆ Init()

◆ InputChanged()

◆ PrepareFrame()

◆ RenderEnd()

◆ RenderFrame()

◆ SetDeinterlacing()