VideoOutputOpenGL Class Reference

#include <videoout_opengl.h>

Inheritance diagram for VideoOutputOpenGL:

Public Member Functions
	VideoOutputOpenGL (const QString &profile=QString())
virtual	~VideoOutputOpenGL ()
virtual bool	Init (int width, int height, float aspect, WId winid, const QRect &win_rect, MythCodecID codec_id)
virtual void	SetProfile (void)
virtual void	TearDown (void)
void	PrepareFrame (VideoFrame buffer, FrameScanType, OSD osd)
virtual void	ProcessFrame (VideoFrame frame, OSD osd, FilterChain *filterList, const PIPMap &pipPlayers, FrameScanType scan)
virtual void	Show (FrameScanType)
virtual bool	InputChanged (const QSize &input_size, float aspect, MythCodecID av_codec_id, void *codec_private, bool &aspect_only)
	Tells video output to discard decoded frames and wait for new ones.
virtual void	UpdatePauseFrame (int64_t &disp_timecode)
	Updates frame displayed when video is paused.
virtual void	DrawUnusedRects (bool)
	Draws non-video portions of the screen.
void	Zoom (ZoomDirection direction)
	Sets up zooming into to different parts of the video, the zoom is actually applied in MoveResize().
void	MoveResize (void)
	performs all the calculations for video framing and any resizing.
virtual int	SetPictureAttribute (PictureAttribute attribute, int newValue)
	Sets a specified picture attribute.
virtual void	InitPictureAttributes (void)
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.
virtual bool	SetDeinterlacingEnabled (bool)
	Attempts to enable/disable deinterlacing using existing deinterlace method when enabling.
virtual bool	SetupDeinterlace (bool i, const QString &ovrf="")
	Attempts to enable or disable deinterlacing.
void	ShowPIP (VideoFrame frame, MythPlayer pipplayer, PIPLocation loc)
	Composites PiP image onto a video frame.
void	MoveResizeWindow (QRect new_rect)
virtual void	RemovePIP (MythPlayer *pipplayer)
virtual bool	IsPIPSupported (void) const
virtual bool	hasFullScreenOSD (void) const
virtual bool	ApproveDeintFilter (const QString &filtername) const
	Approves bobdeint filter for XVideo and otherwise defers to VideoOutput::ApproveDeintFilter(const QString&).
virtual MythPainter *	GetOSDPainter (void)
virtual bool	CanVisualise (AudioPlayer audio, MythRender render)
virtual bool	SetupVisualisation (AudioPlayer audio, MythRender render, const QString &name)
virtual QStringList	GetVisualiserList (void)
virtual bool	StereoscopicModesAllowed (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)
Protected Member Functions
bool	CreateCPUResources (void)
bool	CreateGPUResources (void)
bool	CreateVideoResources (void)
void	DestroyCPUResources (void)
void	DestroyVideoResources (void)
void	DestroyGPUResources (void)
virtual bool	CreateBuffers (void)
bool	CreatePauseFrame (void)
bool	SetupContext (void)
bool	SetupOpenGL (void)
void	InitOSD (void)
Protected Attributes
QMutex	gl_context_lock
MythRenderOpenGL *	gl_context
bool	gl_valid
OpenGLVideo *	gl_videochain
QMap< MythPlayer , OpenGLVideo >	gl_pipchains
QMap< MythPlayer *, bool >	gl_pip_ready
OpenGLVideo *	gl_pipchain_active
WId	gl_parent_win
VideoFrame	av_pause_frame
MythOpenGLPainter *	gl_painter
bool	gl_created_painter
bool	gl_opengl_lite

Detailed Description

Definition at line 9 of file videoout_opengl.h.

Constructor & Destructor Documentation

VideoOutputOpenGL::VideoOutputOpenGL ( const QString & profile = QString() )

Definition at line 54 of file videoout_opengl.cpp.

VideoOutputOpenGL::~VideoOutputOpenGL ( ) [virtual]

Definition at line 71 of file videoout_opengl.cpp.

Member Function Documentation

void VideoOutputOpenGL::GetRenderOptions	(	render_opts &	opts,
		QStringList &	cpudeints
	)			`[static]`

Definition at line 13 of file videoout_opengl.cpp.

bool VideoOutputOpenGL::Init	(	int	width,
		int	height,
		float	aspect,
		WId	winid,
		const QRect &	win_rect,
		MythCodecID	codec_id
	)			`[virtual]`

Reimplemented from VideoOutput.

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 177 of file videoout_opengl.cpp.

Referenced by InputChanged().

void VideoOutputOpenGL::SetProfile ( void ) [virtual]

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 208 of file videoout_opengl.cpp.

Referenced by Init().

void VideoOutputOpenGL::TearDown ( void ) [virtual]

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 82 of file videoout_opengl.cpp.

Referenced by Init(), InputChanged(), and ~VideoOutputOpenGL().

void VideoOutputOpenGL::PrepareFrame	(	VideoFrame *	buffer,
		FrameScanType	t,
		OSD *	osd
	)			`[virtual]`

Implements VideoOutput.

Definition at line 505 of file videoout_opengl.cpp.

void VideoOutputOpenGL::ProcessFrame	(	VideoFrame *	frame,
		OSD *	osd,
		FilterChain *	filterList,
		const PIPMap &	pipPlayers,
		FrameScanType	scan
	)			`[virtual]`

Implements VideoOutput.

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 437 of file videoout_opengl.cpp.

void VideoOutputOpenGL::Show ( FrameScanType scan ) [virtual]

Implements VideoOutput.

Definition at line 639 of file videoout_opengl.cpp.

bool VideoOutputOpenGL::InputChanged	(	const QSize &	input_size,
		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.

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 217 of file videoout_opengl.cpp.

Referenced by VideoOutputOpenGLVAAPI::InputChanged().

void VideoOutputOpenGL::UpdatePauseFrame ( int64_t & disp_timecode ) [virtual]

Updates frame displayed when video is paused.

Implements VideoOutput.

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 686 of file videoout_opengl.cpp.

virtual void VideoOutputOpenGL::DrawUnusedRects ( bool sync ) [inline, 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 31 of file videoout_opengl.h.

void VideoOutputOpenGL::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 667 of file videoout_opengl.cpp.

void VideoOutputOpenGL::MoveResize ( void ) [virtual]

performs all the calculations for video framing and any resizing.

First we apply playback over/underscanning and offsetting, then we letterbox settings, and finally we apply manual scale & move properties for "Zoom Mode".

See also:: Zoom(ZoomDirection), ToggleAdjustFill(int)

Reimplemented from VideoOutput.

Definition at line 674 of file videoout_opengl.cpp.

Referenced by CreateVideoResources(), EmbedInWidget(), VideoOutputOpenGLVAAPI::InputChanged(), InputChanged(), SetDeinterlacingEnabled(), SetupDeinterlace(), StopEmbedding(), and Zoom().

int VideoOutputOpenGL::SetPictureAttribute	(	PictureAttribute	attribute,
		int	newValue
	)			`[virtual]`

Sets a specified picture attribute.

Parameters:

	attribute	Picture attribute to set.
	newValue	Value to set attribute to.

Returns:: Set value if it succeeds, -1 if it does not.

Reimplemented from VideoOutput.

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 710 of file videoout_opengl.cpp.

void VideoOutputOpenGL::InitPictureAttributes ( void ) [virtual]

Reimplemented from VideoOutput.

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 697 of file videoout_opengl.cpp.

Referenced by Init().

QStringList VideoOutputOpenGL::GetAllowedRenderers	(	MythCodecID	myth_codec_id,
		const QSize &	video_dim
	)			`[static]`

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 652 of file videoout_opengl.cpp.

Referenced by VideoOutput::Create().

void VideoOutputOpenGL::EmbedInWidget ( const QRect & rect ) [virtual]

Tells video output to embed video in an existing window.

See also:: StopEmbedding()

Reimplemented from VideoOutput.

Definition at line 934 of file videoout_opengl.cpp.

Referenced by VideoOutputOpenGLVAAPI::InputChanged(), and InputChanged().

void VideoOutputOpenGL::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 942 of file videoout_opengl.cpp.

Referenced by VideoOutputOpenGLVAAPI::InputChanged(), and InputChanged().

bool VideoOutputOpenGL::SetDeinterlacingEnabled ( bool enable ) [virtual]

Attempts to enable/disable deinterlacing using existing deinterlace method when enabling.

Reimplemented from VideoOutput.

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 782 of file videoout_opengl.cpp.

Referenced by SetupOpenGL().

bool VideoOutputOpenGL::SetupDeinterlace	(	bool	i,
		const QString &	ovrf = `""`
	)			`[virtual]`

Attempts to enable or disable deinterlacing.

Returns:: true if successful, false otherwise.

Parameters:

overridefilter

optional, explicitly use this nondefault deint filter

Reimplemented from VideoOutput.

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 719 of file videoout_opengl.cpp.

Referenced by SetDeinterlacingEnabled().

void VideoOutputOpenGL::ShowPIP	(	VideoFrame *	frame,
		MythPlayer *	pipplayer,
		PIPLocation	loc
	)			`[virtual]`

Composites PiP image onto a video frame.

Note: This only works with memory backed VideoFrames.

Parameters:

	frame	Frame to composite PiP onto.
	pipplayer	Picture-in-Picture Player.
	loc	Location of this PiP on the frame.

Reimplemented from VideoOutput.

Definition at line 818 of file videoout_opengl.cpp.

void VideoOutputOpenGL::MoveResizeWindow ( QRect new_rect ) [virtual]

Implements VideoOutput.

Definition at line 928 of file videoout_opengl.cpp.

void VideoOutputOpenGL::RemovePIP ( MythPlayer * pipplayer ) [virtual]

Reimplemented from VideoOutput.

Definition at line 914 of file videoout_opengl.cpp.

virtual bool VideoOutputOpenGL::IsPIPSupported ( void ) const [inline, virtual]

Reimplemented from VideoOutput.

Definition at line 48 of file videoout_opengl.h.

virtual bool VideoOutputOpenGL::hasFullScreenOSD ( void ) const [inline, virtual]

Reimplemented from VideoOutput.

Definition at line 49 of file videoout_opengl.h.

bool VideoOutputOpenGL::ApproveDeintFilter ( const QString & filtername ) const [virtual]

Approves bobdeint filter for XVideo and otherwise defers to VideoOutput::ApproveDeintFilter(const QString&).

Approves all deinterlace filters, except ones which must be supported by a specific video output class.

Returns:: whether current video output supports a specific filter.

Reimplemented from VideoOutput.

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 951 of file videoout_opengl.cpp.

virtual MythPainter* VideoOutputOpenGL::GetOSDPainter ( void ) [inline, virtual]

Reimplemented from VideoOutput.

Definition at line 51 of file videoout_opengl.h.

virtual bool VideoOutputOpenGL::CanVisualise	(	AudioPlayer *	audio,
		MythRender *	render
	)			`[inline, virtual]`

Reimplemented from VideoOutput.

Definition at line 53 of file videoout_opengl.h.

virtual bool VideoOutputOpenGL::SetupVisualisation	(	AudioPlayer *	audio,
		MythRender *	render,
		const QString &	name
	)			`[inline, virtual]`

Reimplemented from VideoOutput.

Definition at line 55 of file videoout_opengl.h.

QStringList VideoOutputOpenGL::GetVisualiserList ( void ) [virtual]

Reimplemented from VideoOutput.

Definition at line 962 of file videoout_opengl.cpp.

virtual bool VideoOutputOpenGL::StereoscopicModesAllowed ( void ) const [inline, virtual]

Reimplemented from VideoOutput.

Definition at line 60 of file videoout_opengl.h.

bool VideoOutputOpenGL::CreateCPUResources ( void ) [protected]

Definition at line 91 of file videoout_opengl.cpp.

Referenced by Init().

bool VideoOutputOpenGL::CreateGPUResources ( void ) [protected]

Definition at line 98 of file videoout_opengl.cpp.

Referenced by Init().

bool VideoOutputOpenGL::CreateVideoResources ( void ) [protected]

Definition at line 107 of file videoout_opengl.cpp.

Referenced by Init(), and ProcessFrame().

void VideoOutputOpenGL::DestroyCPUResources ( void ) [protected]

Definition at line 114 of file videoout_opengl.cpp.

Referenced by VideoOutputOpenGLVAAPI::InputChanged(), InputChanged(), and TearDown().

void VideoOutputOpenGL::DestroyVideoResources ( void ) [protected]

Definition at line 153 of file videoout_opengl.cpp.

Referenced by ProcessFrame(), and TearDown().

void VideoOutputOpenGL::DestroyGPUResources ( void ) [protected]

Definition at line 134 of file videoout_opengl.cpp.

Referenced by TearDown().

bool VideoOutputOpenGL::CreateBuffers ( void ) [protected, virtual]

Reimplemented in VideoOutputOpenGLVAAPI.

Definition at line 411 of file videoout_opengl.cpp.

Referenced by CreateCPUResources().

bool VideoOutputOpenGL::CreatePauseFrame ( void ) [protected]

Definition at line 420 of file videoout_opengl.cpp.

Referenced by CreateCPUResources().

bool VideoOutputOpenGL::SetupContext ( void ) [protected]

Definition at line 286 of file videoout_opengl.cpp.

Referenced by CreateGPUResources().

bool VideoOutputOpenGL::SetupOpenGL ( void ) [protected]

Definition at line 333 of file videoout_opengl.cpp.

Referenced by CreateVideoResources().

void VideoOutputOpenGL::InitOSD ( void ) [protected]

Definition at line 381 of file videoout_opengl.cpp.

Referenced by CreateGPUResources().

Member Data Documentation

QMutex VideoOutputOpenGL::gl_context_lock [protected]

bool VideoOutputOpenGL::gl_valid [protected]

Definition at line 77 of file videoout_opengl.h.

Referenced by Init(), and ProcessFrame().

OpenGLVideo* VideoOutputOpenGL::gl_videochain [protected]

Definition at line 78 of file videoout_opengl.h.

Referenced by DestroyVideoResources(), MoveResize(), PrepareFrame(), VideoOutputOpenGLVAAPI::ProcessFrame(), ProcessFrame(), SetDeinterlacingEnabled(), SetupDeinterlace(), SetupOpenGL(), and ShowPIP().

QMap<MythPlayer*,OpenGLVideo*> VideoOutputOpenGL::gl_pipchains [protected]

Definition at line 79 of file videoout_opengl.h.

Referenced by DestroyVideoResources(), PrepareFrame(), RemovePIP(), and ShowPIP().

QMap<MythPlayer*,bool> VideoOutputOpenGL::gl_pip_ready [protected]

Definition at line 80 of file videoout_opengl.h.

Referenced by DestroyVideoResources(), PrepareFrame(), RemovePIP(), and ShowPIP().

OpenGLVideo* VideoOutputOpenGL::gl_pipchain_active [protected]

Definition at line 81 of file videoout_opengl.h.

Referenced by PrepareFrame(), ProcessFrame(), and ShowPIP().

WId VideoOutputOpenGL::gl_parent_win [protected]

Definition at line 82 of file videoout_opengl.h.

Referenced by Init(), InitOSD(), VideoOutputOpenGLVAAPI::InputChanged(), InputChanged(), and SetupContext().

VideoFrame VideoOutputOpenGL::av_pause_frame [protected]

Definition at line 83 of file videoout_opengl.h.

Referenced by CreatePauseFrame(), DestroyCPUResources(), ProcessFrame(), UpdatePauseFrame(), and VideoOutputOpenGL().

MythOpenGLPainter* VideoOutputOpenGL::gl_painter [protected]

Definition at line 85 of file videoout_opengl.h.

Referenced by DestroyGPUResources(), GetOSDPainter(), InitOSD(), and PrepareFrame().

bool VideoOutputOpenGL::gl_created_painter [protected]

Definition at line 86 of file videoout_opengl.h.

Referenced by DestroyGPUResources(), and InitOSD().

bool VideoOutputOpenGL::gl_opengl_lite [protected]

Definition at line 87 of file videoout_opengl.h.

Referenced by ApproveDeintFilter(), SetProfile(), SetupOpenGL(), ShowPIP(), and VideoOutputOpenGL().

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

VideoOutputOpenGL Class Reference

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation