#include <videoout_null.h>

Inheritance diagram for VideoOutputNull:

Collaboration diagram for VideoOutputNull:

Public Member Functions
	VideoOutputNull ()
	~VideoOutputNull ()
bool	Init (const QSize &video_dim_buf, const QSize &video_dim_disp, float aspect, WId winid, const QRect &win_rect, MythCodecID codec_id)
	Performs most of the initialization for VideoOutput.
bool	SetupDeinterlace (bool, const QString &ovrf="")
	Attempts to enable or disable deinterlacing.
void	PrepareFrame (VideoFrame buffer, FrameScanType, OSD osd)
void	Show (FrameScanType)
void	CreatePauseFrame (void)
bool	InputChanged (const QSize &video_dim_buf, const QSize &video_dim_disp, float aspect, MythCodecID av_codec_id, void *codec_private, bool &aspect_only)
	Tells video output to discard decoded frames and wait for new ones.
void	Zoom (ZoomDirection direction)
	Sets up zooming into to different parts of the video, the zoom is actually applied in MoveResize().
void	EmbedInWidget (const QRect &rect)
	Tells video output to embed video in an existing window.
void	StopEmbedding (void)
	Tells video output to stop embedding video in an existing window.
void	DrawUnusedRects (bool sync=true)
	Draws non-video portions of the screen.
void	UpdatePauseFrame (int64_t &disp_timecode)
	Updates frame displayed when video is paused.
void	ProcessFrame (VideoFrame frame, OSD osd, FilterChain *filterList, const PIPMap &pipPlayers, FrameScanType scan)
void	MoveResizeWindow (QRect)
virtual bool	SetupVisualisation (AudioPlayer audio, MythRender render, const QString &name)
Public Member Functions inherited from VideoOutput
	VideoOutput ()
	This constructor for VideoOutput must be followed by an Init(int,int,float,WId,int,int,int,int,WId) call.
virtual	~VideoOutput ()
	Shuts down video output.
virtual void	InitOSD (OSD *osd)
virtual void	SetVideoFrameRate (float)
virtual bool	IsPreferredRenderer (QSize video_size)
virtual bool	SetDeinterlacingEnabled (bool)
	Attempts to enable/disable deinterlacing using existing deinterlace method when enabling.
virtual void	FallbackDeint (void)
	Fallback to non-frame-rate-doubling deinterlacing method.
virtual void	BestDeint (void)
	Change to the best deinterlacing method.
virtual bool	NeedsDoubleFramerate (void) const
	Should Prepare() and Show() be called twice for every ProcessFrame().
virtual bool	IsBobDeint (void) const
virtual bool	IsExtraProcessingRequired (void) const
	Should Prepare() and Show() and ProcessFrame be called twice for every Frameloop().
virtual bool	ApproveDeintFilter (const QString &filtername) const
	Approves bobdeint filter for XVideo and otherwise defers to VideoOutput::ApproveDeintFilter(const QString&).
void	GetDeinterlacers (QStringList &deinterlacers)
QString	GetDeinterlacer (void)
virtual void	WindowResized (const QSize &new_size)
virtual void	VideoAspectRatioChanged (float aspect)
	Calls SetVideoAspectRatio(float aspect), then calls MoveResize() to apply changes.
virtual void	ResizeDisplayWindow (const QRect &, bool)
	Resize Display Window.
virtual void	ResizeForGui (void)
	If we are using DisplayRes support, return the screen size and refresh rate to those used for the GUI.
virtual void	ResizeForVideo (uint width=0, uint height=0)
	Sets display parameters based on video resolution.
virtual void	MoveResize (void)
	performs all the calculations for video framing and any resizing.
virtual void	GetOSDBounds (QRect &total, QRect &visible, float &visibleAspect, float &fontScale, float themeAspect) const
QRect	GetMHEGBounds (void)
virtual void	DrawSlice (VideoFrame *frame, int x, int y, int w, int h)
	Informs video output of new data for frame, used for hardware accelerated decoding.
virtual float	GetDisplayAspect (void) const
	Returns current display aspect ratio.
AspectOverrideMode	GetAspectOverride (void) const
	Returns current aspect override mode.
virtual void	ToggleAspectOverride (AspectOverrideMode aspectOverrideMode=kAspect_Toggle)
	Enforce different aspect ration than detected, then calls VideoAspectRatioChanged(float) to apply them.
AdjustFillMode	GetAdjustFill (void) const
	Returns current adjust fill mode.
virtual void	ToggleAdjustFill (AdjustFillMode adjustFillMode=kAdjustFill_Toggle)
	Sets up letterboxing for various standard video frame and monitor dimensions, then calls MoveResize() to apply them.
QString	GetZoomString (void) const
void	CropToDisplay (VideoFrame *frame)
void	ExposeEvent (void)
	Tells video output that a full repaint is needed.
PictureAttributeSupported	GetSupportedPictureAttributes (void)
int	ChangePictureAttribute (PictureAttribute, bool direction)
virtual int	SetPictureAttribute (PictureAttribute, int newValue)
	Sets a specified picture attribute.
int	GetPictureAttribute (PictureAttribute)
virtual void	InitPictureAttributes (void)
bool	AllowPreviewEPG (void) const
virtual bool	IsPIPSupported (void) const
virtual bool	IsPBPSupported (void) const
virtual bool	NeedExtraAudioDecode (void) const
virtual bool	hasHWAcceleration (void) const
	Return true if HW Acceleration is running.
virtual void *	GetDecoderContext (unsigned char buf, uint8_t &id)
virtual void	SetFramesPlayed (long long fp)
	Sets the number of frames played.
virtual long long	GetFramesPlayed (void)
	Returns the number of frames played.
bool	IsErrored () const
	Returns true if a fatal error has been encountered.
VideoErrorState	GetError (void) const
	Returns error type.
void	SetPrebuffering (bool normal)
	Sets whether to use a normal number of buffers or fewer buffers.
virtual void	ClearAfterSeek (void)
	Tells video output to toss decoded buffers due to a seek.
virtual int	ValidVideoFrames (void) const
	Returns number of frames that are fully decoded.
int	FreeVideoFrames (void)
	Returns number of frames available for decoding onto.
bool	EnoughFreeFrames (void)
	Returns true iff enough frames are available to decode onto.
bool	EnoughDecodedFrames (void)
	Returns true iff there are plenty of decoded frames ready for display.
bool	EnoughPrebufferedFrames (void)
	Returns true iff we have at least the minimum number of decoded frames ready for display.
bool	IsEmbedding (void)
	Returns if videooutput is embedding.
virtual VideoFrame *	GetNextFreeFrame (void)
	Blocks until it is possible to return a frame for decoding onto.
virtual void	ReleaseFrame (VideoFrame *frame)
	Releases a frame from the ready for decoding queue onto the queue of frames ready for display.
virtual void	DeLimboFrame (VideoFrame *frame)
	Releases a frame for reuse if it is in limbo.
virtual void	StartDisplayingFrame (void)
	Tell GetLastShownFrame() to return the next frame from the head of the queue of frames to display.
virtual void	DoneDisplayingFrame (VideoFrame *frame)
	Releases frame returned from GetLastShownFrame() onto the queue of frames ready for decoding onto.
virtual void	DiscardFrame (VideoFrame *frame)
	Releases frame from any queue onto the queue of frames ready for decoding onto.
virtual void	DiscardFrames (bool kf)
	Releases all frames not being actively displayed from any queue onto the queue of frames ready for decoding onto.
virtual void	ClearDummyFrame (VideoFrame *frame)
	Clears the frame to black.
virtual void	CheckFrameStates (void)
virtual VideoFrame *	GetLastDecodedFrame (void)
virtual VideoFrame *	GetLastShownFrame (void)
	Returns frame from the head of the ready to be displayed queue, if StartDisplayingFrame has been called.
QString	GetFrameStatus (void) const
	Returns string with status of each frame for debugging.
void	SetVideoResize (const QRect &videoRect)
	Tells the player to resize the video frame (used for ITV)
void	SetVideoScalingAllowed (bool change)
	Disable or enable underscan/overscan.
bool	IsVideoScalingAllowed (void) const
	check if video underscan/overscan is allowed
virtual void	SetVideoFlip (void)
	Tells the player to flip the video frames for proper display.
virtual QRect	GetPIPRect (PIPLocation location, MythPlayer *pipplayer=NULL, bool do_pixel_adj=true) const
	returns QRect of PIP based on PIPLocation
virtual void	RemovePIP (MythPlayer *pipplayer)
virtual void	SetPIPState (PIPState setting)
virtual QString	GetOSDRenderer (void) const
	\ brief return OSD renderer type for this videoOutput
virtual MythPainter *	GetOSDPainter (void)
virtual bool	GetScreenShot (int width=0, int height=0, QString filename="")
QString	GetFilters (void) const
QRect	GetImageRect (const QRect &rect, QRect *display=NULL)
	translates caption/dvd button rectangle into 'screen' space
QRect	GetSafeRect (void)
	Returns a QRect describing an area of the screen on which it is 'safe' to render the On Screen Display.
bool	EnableVisualisation (AudioPlayer *audio, bool enable, const QString &name=QString(""))
virtual bool	CanVisualise (AudioPlayer audio, MythRender render)
VideoVisual *	GetVisualisation (void)
QString	GetVisualiserName (void)
virtual QStringList	GetVisualiserList (void)
void	DestroyVisualisation (void)
virtual bool	StereoscopicModesAllowed (void) const
void	SetStereoscopicMode (StereoscopicMode mode)
StereoscopicMode	GetStereoscopicMode (void) const

Static Public Member Functions
static void	GetRenderOptions (render_opts &opts, QStringList &cpudeints)
static QStringList	GetAllowedRenderers (MythCodecID myth_codec_id, const QSize &video_dim)
Static Public Member Functions inherited from VideoOutput
static void	GetRenderOptions (render_opts &opts)
static VideoOutput *	Create (const QString &decoder, MythCodecID codec_id, void codec_priv, PIPState pipState, const QSize &video_dim_buf, const QSize &video_dim_disp, float video_aspect, QWidget parentwidget, const QRect &embed_rect, float video_prate, uint playerFlags)
	Depending on compile-time configure settings and run-time renderer settings, create a relevant VideoOutput subclass.
static int	CalcHueBase (const QString &adaptor_name)

Private Attributes
QMutex	global_lock
VideoFrame	av_pause_frame

Additional Inherited Members
Protected Member Functions inherited from VideoOutput
void	InitBuffers (int numdecode, bool extra_for_pause, int need_free, int needprebuffer_normal, int needprebuffer_small, int keepprebuffer)
void	InitDisplayMeasurements (uint width, uint height, bool resize)
	Init display measurements based on database settings and actual screen parameters.
virtual void	ShowPIPs (VideoFrame *frame, const PIPMap &pipPlayers)
virtual void	ShowPIP (VideoFrame frame, MythPlayer pipplayer, PIPLocation loc)
	Composites PiP image onto a video frame.
virtual bool	DisplayOSD (VideoFrame frame, OSD osd)
	If the OSD has changed, this will convert the OSD buffer to the OSDSurface's color format.
QRect	GetVisibleOSDBounds (float &, float &, float) const
	Returns visible portions of total OSD bounds.
QRect	GetTotalOSDBounds (void) const
	Returns total OSD bounds.
virtual bool	hasFullScreenOSD (void) const
void	DoPipResize (int pipwidth, int pipheight)
	Sets up Picture in Picture image resampler.
void	ShutdownPipResize (void)
	Shuts down Picture in Picture image resampler.
void	ResizeVideo (VideoFrame *frame)
void	DoVideoResize (const QSize &inDim, const QSize &outDim)
	Sets up Picture in Picture image resampler.
virtual void	ShutdownVideoResize (void)
Static Protected Member Functions inherited from VideoOutput
static void	CopyFrame (VideoFrame to, const VideoFrame from)
	Copies frame data from one VideoFrame to another.
Protected Attributes inherited from VideoOutput
VideoOutWindow	window
QSize	db_display_dim
	Screen dimensions in millimeters from DB.
VideoColourSpace	videoColourSpace
AspectOverrideMode	db_aspectoverride
AdjustFillMode	db_adjustfill
LetterBoxColour	db_letterbox_colour
QString	db_deint_filtername
MythCodecID	video_codec_id
VideoDisplayProfile *	db_vdisp_profile
QSize	pip_desired_display_size
QSize	pip_display_size
QSize	pip_video_size
unsigned char *	pip_tmp_buf
unsigned char *	pip_tmp_buf2
struct SwsContext *	pip_scaling_context
VideoFrame	pip_tmp_image
bool	vsz_enabled
QRect	vsz_desired_display_rect
QSize	vsz_display_size
QSize	vsz_video_size
unsigned char *	vsz_tmp_buf
struct SwsContext *	vsz_scale_context
bool	m_deinterlacing
QString	m_deintfiltername
FilterManager *	m_deintFiltMan
FilterChain *	m_deintFilter
bool	m_deinterlaceBeforeOSD
VideoBuffers	vbuffers
	VideoBuffers instance used to track video output buffers.
VideoErrorState	errorState
long long	framesPlayed
DisplayRes *	display_res
QSize	monitor_sz
QSize	monitor_dim
MythYUVAPainter *	osd_painter
MythImage *	osd_image
VideoVisual *	m_visual
StereoscopicMode	m_stereo

Detailed Description

Definition at line 8 of file videoout_null.h.

Constructor & Destructor Documentation

VideoOutputNull::VideoOutputNull ( )

Definition at line 31 of file videoout_null.cpp.

VideoOutputNull::~VideoOutputNull ( )

Definition at line 38 of file videoout_null.cpp.

Member Function Documentation

void VideoOutputNull::GetRenderOptions	(	render_opts &	opts,
		QStringList &	cpudeints
	)

static

Definition at line 15 of file videoout_null.cpp.

bool VideoOutputNull::Init	(	const QSize &	video_dim_buf,
		const QSize &	video_dim_disp,
		float	aspect,
		WId	winid,
		const QRect &	win_rect,
		MythCodecID	codec_id
	)

virtual

Performs most of the initialization for VideoOutput.

Returns: true if successful, false otherwise.

Reimplemented from VideoOutput.

Definition at line 136 of file videoout_null.cpp.

bool VideoOutputNull::SetupDeinterlace	(	bool	i,
		const QString &	ovrf = `""`
	)

inlinevirtual

Attempts to enable or disable deinterlacing.

Returns: true if successful, false otherwise.

Parameters

overridefilter optional, explicitly use this nondefault deint filter

Reimplemented from VideoOutput.

Definition at line 19 of file videoout_null.h.

void VideoOutputNull::PrepareFrame	(	VideoFrame *	buffer,
		FrameScanType	t,
		OSD *	osd
	)

virtual

Implements VideoOutput.

Definition at line 191 of file videoout_null.cpp.

void VideoOutputNull::Show ( FrameScanType )

virtual

Implements VideoOutput.

Definition at line 203 of file videoout_null.cpp.

void VideoOutputNull::CreatePauseFrame ( void )

Definition at line 60 of file videoout_null.cpp.

Referenced by Init(), and InputChanged().

bool VideoOutputNull::InputChanged	(	const QSize &	video_dim_buf,
		const QSize &	video_dim_disp,
		float	aspect,
		MythCodecID	myth_codec_id,
		void *	codec_private,
		bool &	aspect_only
	)

virtual

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 VideoOutput.

Definition at line 79 of file videoout_null.cpp.

void VideoOutputNull::Zoom ( ZoomDirection direction )

virtual

Sets up zooming into to different parts of the video, the zoom is actually applied in MoveResize().

See Also: ToggleAdjustFill(AdjustFillMode)

Reimplemented from VideoOutput.

Definition at line 53 of file videoout_null.cpp.

void VideoOutputNull::EmbedInWidget ( const QRect & rect )

virtual

Tells video output to embed video in an existing window.

See Also: StopEmbedding()

Reimplemented from VideoOutput.

Definition at line 177 of file videoout_null.cpp.

void VideoOutputNull::StopEmbedding ( void )

virtual

Tells video output to stop embedding video in an existing window.

See Also: EmbedInWidget(const QRect&)

Reimplemented from VideoOutput.

Definition at line 184 of file videoout_null.cpp.

void VideoOutputNull::DrawUnusedRects ( bool sync = true )

virtual

Draws non-video portions of the screen.

Parameters

sync	if set any queued up draws are sent immediately to the graphics context and we block until they have completed.

Implements VideoOutput.

Definition at line 207 of file videoout_null.cpp.

void VideoOutputNull::UpdatePauseFrame ( int64_t & disp_timecode )

virtual

Updates frame displayed when video is paused.

Implements VideoOutput.

Definition at line 211 of file videoout_null.cpp.

void VideoOutputNull::ProcessFrame	(	VideoFrame *	frame,
		OSD *	osd,
		FilterChain *	filterList,
		const PIPMap &	pipPlayers,
		FrameScanType	scan
	)

virtual

Implements VideoOutput.

Definition at line 234 of file videoout_null.cpp.

static QStringList VideoOutputNull::GetAllowedRenderers	(	MythCodecID	myth_codec_id,
		const QSize &	video_dim
	)

static

void VideoOutputNull::MoveResizeWindow ( QRect )

inlinevirtual

Implements VideoOutput.

Definition at line 41 of file videoout_null.h.

virtual bool VideoOutputNull::SetupVisualisation	(	AudioPlayer *	audio,
		MythRender *	render,
		const QString &	name
	)

inlinevirtual

Reimplemented from VideoOutput.

Definition at line 42 of file videoout_null.h.

Member Data Documentation

QMutex VideoOutputNull::global_lock

private

Definition at line 46 of file videoout_null.h.

Referenced by EmbedInWidget(), Init(), InputChanged(), StopEmbedding(), UpdatePauseFrame(), Zoom(), and ~VideoOutputNull().

VideoFrame VideoOutputNull::av_pause_frame

private

Definition at line 47 of file videoout_null.h.

Referenced by CreatePauseFrame(), UpdatePauseFrame(), VideoOutputNull(), and ~VideoOutputNull().

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

Public Member Functions

Static Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation