VideoOutputXv Class Reference

#include <videoout_xv.h>

Inheritance diagram for VideoOutputXv:

Detailed Description

Supports common video output methods used with X11 Servers.

This class suppurts XVideo with VLD acceleration (XvMC-VLD), XVideo with inverse discrete cosine transform (XvMC-IDCT) acceleration, XVideo with motion vector (XvMC) acceleration, and normal XVideo with color transform and scaling acceleration only. When none of these will work, we also try to use X Shared memory, and if that fails we try standard Xlib output.

See also:: VideoOutput, VideoBuffers

Definition at line 53 of file videoout_xv.h.


Public Member Functions
	VideoOutputXv (MythCodecID av_codec_id)
	~VideoOutputXv ()
bool	Init (int width, int height, float aspect, WId winid, int winx, int winy, int winw, int winh, WId embedid=0)
	Initializes class for video output.
bool	SetDeinterlacingEnabled (bool)
	Attempts to enable/disable deinterlacing using existing deinterlace method when enabling.
bool	SetupDeinterlace (bool interlaced, const QString &ovrf="")
	Attempts to enable or disable deinterlacing.
bool	ApproveDeintFilter (const QString &filtername) const
	Approves all deinterlace filters, except ones which must be supported by a specific video output class.
void	ProcessFrame (VideoFrame frame, OSD osd, FilterChain filterList, NuppelVideoPlayer pipPlayer)
void	PrepareFrame (VideoFrame *, FrameScanType)
void	DrawSlice (VideoFrame *, int x, int y, int w, int h)
	Informs video output of new data for frame, used for XvMC acceleration.
void	Show (FrameScanType)
void	ClearAfterSeek (void)
	Tells video output to toss decoded buffers due to a seek.
void	MoveResize (void)
	performs all the calculations for video framing and any resizing.
bool	InputChanged (const QSize &input_size, float aspect, MythCodecID av_codec_id, void *codec_private)
	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	VideoAspectRatioChanged (float aspect)
	Calls SetVideoAspectRatio(float aspect), then calls MoveResize() to apply changes.
void	EmbedInWidget (WId wid, int x, int y, int w, int h)
	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	ResizeForGui (void)
void	ResizeForVideo (void)
void	DrawUnusedRects (bool sync=true)
	Draws non-video portions of the screen.
void	UpdatePauseFrame (void)
	Updates frame displayed when video is paused.
int	SetPictureAttribute (PictureAttribute attribute, int newValue)
	Sets a specified picture attribute.
void	InitPictureAttributes (void)
int	GetRefreshRate (void)
	Monitor refresh time in microseconds.
virtual bool	hasMCAcceleration (void) const
	Returns true iff Motion Compensation acceleration is available.
virtual bool	hasIDCTAcceleration (void) const
	Returns true iff Inverse Discrete Cosine Transform acceleration is available.
virtual bool	hasVLDAcceleration (void) const
	Returns true iff VLD acceleration is available.
void	CheckFrameStates (void)
QRect	GetPIPRect (int location, NuppelVideoPlayer *pipplayer=NULL)
	returns QRect of PIP based on PIPLocation
virtual void	ShutdownVideoResize (void)
Static Public Member Functions
static MythCodecID	GetBestSupportedCodec (uint width, uint height, uint osd_width, uint osd_height, uint stream_type, int xvmc_chroma, bool test_surface, bool force_xv)
static int	GrabSuitableXvPort (Display disp, Window root, MythCodecID type, uint width, uint height, int xvmc_chroma=0, XvMCSurfaceInfo si=NULL, QString *adaptor_name=NULL)
	Internal function used to grab a XVideo port with the desired properties.
static XvMCContext *	CreateXvMCContext (Display *disp, int port, int surf_type, int width, int height)
static void	DeleteXvMCContext (Display disp, XvMCContext &ctx)
static QStringList	GetAllowedRenderers (MythCodecID myth_codec_id, const QSize &video_dim)
Private Member Functions
VOSType	VideoOutputSubType () const
virtual QRect	GetVisibleOSDBounds (float &, float &, float) const
virtual QRect	GetTotalOSDBounds (void) const
	Returns total OSD bounds.
VideoFrame *	GetNextFreeFrame (bool allow_unsafe)
void	DiscardFrame (VideoFrame *)
	Frame is ready to be reused by decoder added to the done or available list.
void	DiscardFrames (bool next_frame_keyframe)
	Releases all frames not being actively displayed from any queue onto the queue of frames ready for decoding onto.
void	DoneDisplayingFrame (void)
	This is used to tell this class that the NPV will not call Show() on this frame again.
void	ProcessFrameXvMC (VideoFrame frame, OSD osd)
void	ProcessFrameOpenGL (VideoFrame frame, OSD osd, FilterChain filterList, NuppelVideoPlayer pipPlayer)
void	ProcessFrameMem (VideoFrame frame, OSD osd, FilterChain filterList, NuppelVideoPlayer pipPlayer)
void	PrepareFrameXvMC (VideoFrame *, FrameScanType)
void	PrepareFrameXv (VideoFrame *)
void	PrepareFrameOpenGL (VideoFrame *, FrameScanType)
void	PrepareFrameMem (VideoFrame *, FrameScanType)
void	ShowXvMC (FrameScanType scan)
void	ShowXVideo (FrameScanType scan)
void	ShowPip (VideoFrame frame, NuppelVideoPlayer pipplayer)
	Composites PiP image onto a video frame.
virtual int	DisplayOSD (VideoFrame frame, OSD osd, int stride=-1, int revision=-1)
	If the OSD has changed, this will convert the OSD buffer to the OSDSurface's color format.
void	ResizeForVideo (uint width, uint height)
	Sets display parameters based on video resolution.
void	InitDisplayMeasurements (uint width, uint height)
	Init display measurements based on database settings and actual screen parameters.
void	InitColorKey (bool turnoffautopaint)
	Initializes color keying support used by XVideo output methods.
bool	InitVideoBuffers (MythCodecID, bool use_xv, bool use_shm, bool use_opengl)
	Creates and initializes video buffers.
bool	InitXvMC (MythCodecID)
	Creates and initializes video buffers.
bool	InitXVideo (void)
	Creates and initializes video buffers.
bool	InitOpenGL (void)
bool	InitXShm (void)
	Creates and initializes video buffers.
bool	InitXlib (void)
	Creates and initializes video buffers.
bool	InitOSD (const QString &)
bool	CheckOSDInit (void)
bool	CreateXvMCBuffers (void)
bool	CreateBuffers (VOSType subtype)
vector< void * >	CreateXvMCSurfaces (uint num, bool surface_has_vld)
vector< unsigned char * >	CreateShmImages (uint num, bool use_xv)
	Creates Shared Memory Images.
void	CreatePauseFrame (VOSType subtype)
	Creates an extra frame for pause.
void	CopyFrame (VideoFrame to, const VideoFrame from)
	Copies frame data from one VideoFrame to another.
void	DeleteBuffers (VOSType subtype, bool delete_pause_frame)
bool	InitSetupBuffers (void)
XvMCOSD *	GetAvailableOSD ()
void	ReturnAvailableOSD (XvMCOSD *)
bool	SetDeinterlacingEnabledOpenGL (bool enable)
bool	SetupDeinterlaceOpenGL (bool interlaced, const QString &overridefilter)
Static Private Member Functions
static bool	IsDisplaying (VideoFrame *frame)
static bool	IsRendering (VideoFrame *frame)
static void	SyncSurface (VideoFrame *frame, int past_future=0)
static void	FlushSurface (VideoFrame *frame)
Private Attributes
MythCodecID	myth_codec_id
VOSType	video_output_subtype
DisplayRes *	display_res
QMutex	global_lock
Window	XJ_root
Window	XJ_win
Window	XJ_curwin
GC	XJ_gc
Screen *	XJ_screen
Display *	XJ_disp
int	XJ_screen_num
unsigned long	XJ_white
unsigned long	XJ_black
unsigned long	XJ_letterbox_colour
int	XJ_depth
int	XJ_screenx
int	XJ_screeny
int	XJ_screenwidth
int	XJ_screenheight
bool	XJ_started
VideoFrame	av_pause_frame
vector< XShmSegmentInfo * >	XJ_shm_infos
vector< YUVInfo >	XJ_yuv_infos
XImage *	XJ_non_xv_image
long long	non_xv_frames_shown
int	non_xv_show_frame
int	non_xv_fps
int	non_xv_av_format
time_t	non_xv_stop_time
XvMCBufferSettings *	xvmc_buf_attr
int	xvmc_chroma
XvMCContext *	xvmc_ctx
vector< void * >	xvmc_surfs
QMutex	xvmc_osd_lock
MythDeque< XvMCOSD * >	xvmc_osd_available
XvMCSurfaceInfo	xvmc_surf_info
XvMCTextures *	xvmc_tex
int	xv_port
int	xv_hue_base
int	xv_colorkey
bool	xv_draw_colorkey
int	xv_chroma
buffer_map_t	xv_buffers
bool	xv_need_bobdeint_repaint
QMap< PictureAttribute, int >	xv_attribute_min
QMap< PictureAttribute, int >	xv_attribute_max
QMutex	gl_context_lock
OpenGLContext *	gl_context
OpenGLVideo *	gl_videochain
OpenGLVideo *	gl_pipchain
OpenGLVideo *	gl_osdchain
bool	gl_use_osd_opengl2
bool	gl_pip_ready
bool	gl_osd_ready
ChromaKeyOSD *	chroma_osd
Friends
class	ChromaKeyOSD
class	OpenGLVideoSync
class	XvMCOSD

Constructor & Destructor Documentation

VideoOutputXv::VideoOutputXv ( MythCodecID av_codec_id )

Definition at line 100 of file videoout_xv.cpp.

VideoOutputXv::~VideoOutputXv ( )

Definition at line 143 of file videoout_xv.cpp.

Member Function Documentation

bool VideoOutputXv::Init	(	int	width,
		int	height,
		float	aspect,
		WId	winid,
		int	winx,
		int	winy,
		int	winw,
		int	winh,
		WId	embedid = `0`
	)			`[virtual]`

Initializes class for video output.

Returns:: success or failure.

Reimplemented from VideoOutput.

Definition at line 1576 of file videoout_xv.cpp.

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

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

Reimplemented from VideoOutput.

Definition at line 1704 of file videoout_xv.cpp.

Referenced by InitOpenGL().

bool VideoOutputXv::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.

Definition at line 1714 of file videoout_xv.cpp.

Referenced by SetDeinterlacingEnabledOpenGL().

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

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

Reimplemented from VideoOutput.

Definition at line 1846 of file videoout_xv.cpp.

void VideoOutputXv::ProcessFrame	(	VideoFrame *	frame,
		OSD *	osd,
		FilterChain *	filterList,
		NuppelVideoPlayer *	pipPlayer
	)			`[virtual]`

Implements VideoOutput.

Definition at line 3762 of file videoout_xv.cpp.

void VideoOutputXv::PrepareFrame	(	VideoFrame *	buffer,
		FrameScanType	scan
	)			`[virtual]`

Implements VideoOutput.

Definition at line 2806 of file videoout_xv.cpp.

void VideoOutputXv::DrawSlice	(	VideoFrame *	frame,
		int	x,
		int	y,
		int	w,
		int	h
	)			`[virtual]`

Informs video output of new data for frame, used for XvMC acceleration.

Reimplemented from VideoOutput.

Definition at line 3271 of file videoout_xv.cpp.

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

Implements VideoOutput.

Definition at line 3045 of file videoout_xv.cpp.

void VideoOutputXv::ClearAfterSeek ( void ) [virtual]

Tells video output to toss decoded buffers due to a seek.

Reimplemented from VideoOutput.

Definition at line 2469 of file videoout_xv.cpp.

void VideoOutputXv::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 208 of file videoout_xv.cpp.

Referenced by EmbedInWidget(), Init(), InputChanged(), and Zoom().

bool VideoOutputXv::InputChanged	(	const QSize &	input_size,
		float	aspect,
		MythCodecID	myth_codec_id,
		void *	codec_private
	)			`[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 226 of file videoout_xv.cpp.

void VideoOutputXv::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 200 of file videoout_xv.cpp.

void VideoOutputXv::VideoAspectRatioChanged ( float aspect ) [virtual]

Calls SetVideoAspectRatio(float aspect), then calls MoveResize() to apply changes.

Parameters:

aspect

video aspect ratio to use

Reimplemented from VideoOutput.

Definition at line 3346 of file videoout_xv.cpp.

void VideoOutputXv::EmbedInWidget	(	WId	wid,
		int	x,
		int	y,
		int	w,
		int	h
	)			`[virtual]`

Tells video output to embed video in an existing window.

Parameters:

	wid	window to embed in.
	x	X location where to locate video
	y	Y location where to locate video
	w	width of video
	h	height of video

See also:: StopEmbedding()

Reimplemented from VideoOutput.

Definition at line 2378 of file videoout_xv.cpp.

void VideoOutputXv::StopEmbedding ( void ) [virtual]

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

See also:: EmbedInWidget(WId, int, int, int, int)

Reimplemented from VideoOutput.

Definition at line 2393 of file videoout_xv.cpp.

void VideoOutputXv::ResizeForGui ( void ) [virtual]

Reimplemented from VideoOutput.

Definition at line 386 of file videoout_xv.cpp.

void VideoOutputXv::ResizeForVideo ( void ) [virtual]

Reimplemented from VideoOutput.

Definition at line 381 of file videoout_xv.cpp.

Referenced by InitDisplayMeasurements(), and InputChanged().

void VideoOutputXv::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 3150 of file videoout_xv.cpp.

Referenced by Show().

void VideoOutputXv::UpdatePauseFrame ( void ) [virtual]

Updates frame displayed when video is paused.

Implements VideoOutput.

Definition at line 3371 of file videoout_xv.cpp.

int VideoOutputXv::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.

Definition at line 3781 of file videoout_xv.cpp.

void VideoOutputXv::InitPictureAttributes ( void ) [virtual]

Reimplemented from VideoOutput.

Definition at line 3845 of file videoout_xv.cpp.

Referenced by InitSetupBuffers().

int VideoOutputXv::GetRefreshRate ( void ) [virtual]

Monitor refresh time in microseconds.

This uses the XFree86 xf86vmode extension to query the mode line It then uses the mode line to guess at the refresh rate.

Bug:: This works for all user specified mode lines, but sometimes fails for autogenerated mode lines.

Returns:: integer approximation of monitor refresh time (microseconds)

Implements VideoOutput.

Definition at line 338 of file videoout_xv.cpp.

virtual bool VideoOutputXv::hasMCAcceleration ( void ) const [inline, virtual]

Returns true iff Motion Compensation acceleration is available.

Reimplemented from VideoOutput.

Definition at line 97 of file videoout_xv.h.

virtual bool VideoOutputXv::hasIDCTAcceleration ( void ) const [inline, virtual]

Returns true iff Inverse Discrete Cosine Transform acceleration is available.

Reimplemented from VideoOutput.

Definition at line 99 of file videoout_xv.h.

virtual bool VideoOutputXv::hasVLDAcceleration ( void ) const [inline, virtual]

Returns true iff VLD acceleration is available.

Reimplemented from VideoOutput.

Definition at line 101 of file videoout_xv.h.

Referenced by DrawSlice(), and ShowXvMC().

void VideoOutputXv::CheckFrameStates ( void ) [virtual]

Reimplemented from VideoOutput.

Definition at line 3883 of file videoout_xv.cpp.

Referenced by DiscardFrames(), DoneDisplayingFrame(), ProcessFrameXvMC(), ShowXvMC(), and UpdatePauseFrame().

QRect VideoOutputXv::GetPIPRect	(	int	location,
		NuppelVideoPlayer *	pipplayer = `NULL`
	)			`[virtual]`

returns QRect of PIP based on PIPLocation

Reimplemented from VideoOutput.

Definition at line 4071 of file videoout_xv.cpp.

Referenced by ShowPip().

void VideoOutputXv::ShutdownVideoResize ( void ) [virtual]

Reimplemented from VideoOutput.

Definition at line 4132 of file videoout_xv.cpp.

MythCodecID VideoOutputXv::GetBestSupportedCodec	(	uint	width,
		uint	height,
		uint	osd_width,
		uint	osd_height,
		uint	stream_type,
		int	xvmc_chroma,
		bool	test_surface,
		bool	force_xv
	)			`[static]`

Returns:: MythCodecID for the best supported codec on the main display.

Definition at line 1263 of file videoout_xv.cpp.

Referenced by AvFormatDecoder::ScanStreams().

int VideoOutputXv::GrabSuitableXvPort	(	Display *	disp,
		Window	root,
		MythCodecID	mcodecid,
		uint	width,
		uint	height,
		int	xvmc_chroma = `0`,
		XvMCSurfaceInfo *	xvmc_surf_info = `NULL`,
		QString *	adaptor_name = `NULL`
	)			`[static]`

Internal function used to grab a XVideo port with the desired properties.

Returns:: port number if it succeeds, else -1.

Definition at line 568 of file videoout_xv.cpp.

Referenced by GetBestSupportedCodec(), InitXVideo(), and InitXvMC().

XvMCContext * VideoOutputXv::CreateXvMCContext	(	Display *	disp,
		int	port,
		int	surf_type,
		int	width,
		int	height
	)			`[static]`

Definition at line 1858 of file videoout_xv.cpp.

Referenced by CreateXvMCBuffers(), and GetBestSupportedCodec().

void VideoOutputXv::DeleteXvMCContext	(	Display *	disp,
		XvMCContext *&	ctx
	)			`[static]`

Definition at line 1882 of file videoout_xv.cpp.

Referenced by DeleteBuffers(), and GetBestSupportedCodec().

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

Definition at line 4193 of file videoout_xv.cpp.

Referenced by VideoOutput::Create().

VOSType VideoOutputXv::VideoOutputSubType ( ) const [inline, private]

QRect VideoOutputXv::GetVisibleOSDBounds	(	float &	visible_aspect,
		float &	font_scaling,
		float	themeaspect
	)			const `[private, virtual]`

Reimplemented from VideoOutput.

Definition at line 298 of file videoout_xv.cpp.

QRect VideoOutputXv::GetTotalOSDBounds ( void ) const [private, virtual]

Returns total OSD bounds.

Reimplemented from VideoOutput.

Definition at line 317 of file videoout_xv.cpp.

Referenced by DisplayOSD(), and InitOSD().

VideoFrame * VideoOutputXv::GetNextFreeFrame ( bool allow_unsafe ) [private]

Definition at line 2404 of file videoout_xv.cpp.

void VideoOutputXv::DiscardFrame ( VideoFrame * frame ) [private, virtual]

Frame is ready to be reused by decoder added to the done or available list.

Parameters:

frame

to discard.

Reimplemented from VideoOutput.

Definition at line 2416 of file videoout_xv.cpp.

Referenced by DoneDisplayingFrame(), ProcessFrameXvMC(), ShowXvMC(), and UpdatePauseFrame().

void VideoOutputXv::DiscardFrames ( bool kf ) [private, virtual]

Releases all frames not being actively displayed from any queue onto the queue of frames ready for decoding onto.

Reimplemented from VideoOutput.

Definition at line 2492 of file videoout_xv.cpp.

Referenced by ClearAfterSeek(), and DeleteBuffers().

void VideoOutputXv::DoneDisplayingFrame ( void ) [private, virtual]

This is used to tell this class that the NPV will not call Show() on this frame again.

If the frame is not referenced elsewhere or all frames referencing it are done rendering this removes last displayed frame from used queue and adds it to the available list. If the frame is still being used then it adds it to a special done displaying list that is checked when more frames are needed than in the available list.

Reimplemented from VideoOutput.

Definition at line 2582 of file videoout_xv.cpp.

void VideoOutputXv::ProcessFrameXvMC	(	VideoFrame *	frame,
		OSD *	osd
	)			`[private]`

Definition at line 3462 of file videoout_xv.cpp.

Referenced by ProcessFrame().

void VideoOutputXv::ProcessFrameOpenGL	(	VideoFrame *	frame,
		OSD *	osd,
		FilterChain *	filterList,
		NuppelVideoPlayer *	pipPlayer
	)			`[private]`

Definition at line 3662 of file videoout_xv.cpp.

Referenced by ProcessFrame().

void VideoOutputXv::ProcessFrameMem	(	VideoFrame *	frame,
		OSD *	osd,
		FilterChain *	filterList,
		NuppelVideoPlayer *	pipPlayer
	)			`[private]`

Definition at line 3709 of file videoout_xv.cpp.

Referenced by ProcessFrame().

void VideoOutputXv::PrepareFrameXvMC	(	VideoFrame *	frame,
		FrameScanType	scan
	)			`[private]`

Definition at line 2611 of file videoout_xv.cpp.

Referenced by CopyFrame(), and PrepareFrame().

void VideoOutputXv::PrepareFrameXv ( VideoFrame * frame ) [private]

Definition at line 2652 of file videoout_xv.cpp.

Referenced by PrepareFrame().

void VideoOutputXv::PrepareFrameOpenGL	(	VideoFrame *	buffer,
		FrameScanType	t
	)			`[private]`

Definition at line 2670 of file videoout_xv.cpp.

Referenced by PrepareFrame().

void VideoOutputXv::PrepareFrameMem	(	VideoFrame *	buffer,
		FrameScanType
	)			`[private]`

Definition at line 2706 of file videoout_xv.cpp.

Referenced by PrepareFrame().

void VideoOutputXv::ShowXvMC ( FrameScanType scan ) [private]

Definition at line 2903 of file videoout_xv.cpp.

Referenced by Show().

void VideoOutputXv::ShowXVideo ( FrameScanType scan ) [private]

Definition at line 3001 of file videoout_xv.cpp.

Referenced by Show().

void VideoOutputXv::ShowPip	(	VideoFrame *	frame,
		NuppelVideoPlayer *	pipplayer
	)			`[private, virtual]`

Composites PiP image onto a video frame.

Note: This only works with memory backed VideoFrames, that is not XvMC.

Parameters:

	frame	Frame to composite PiP onto.
	pipplayer	Picture-in-Picture NVP.

Reimplemented from VideoOutput.

Definition at line 3072 of file videoout_xv.cpp.

Referenced by ProcessFrameMem(), and ProcessFrameOpenGL().

int VideoOutputXv::DisplayOSD	(	VideoFrame *	frame,
		OSD *	osd,
		int	stride = `-1`,
		int	revision = `-1`
	)			`[private, virtual]`

If the OSD has changed, this will convert the OSD buffer to the OSDSurface's color format.

If the destination format is either IA44 or AI44 the osd is converted to greyscale.

Returns:: 1 if changed, -1 on error and 0 otherwise

Reimplemented from VideoOutput.

Definition at line 4152 of file videoout_xv.cpp.

Referenced by ProcessFrameMem(), ProcessFrameOpenGL(), and ProcessFrameXvMC().

void VideoOutputXv::ResizeForVideo	(	uint	width,
		uint	height
	)			`[private]`

Sets display parameters based on video resolution.

If we are using DisplayRes support we use the video size to determine the desired screen size and refresh rate. If we are also not using "GuiSizeForTV" we also resize the video output window.

Parameters:

width,height

Resolution of the video we will be playing

Definition at line 403 of file videoout_xv.cpp.

void VideoOutputXv::InitDisplayMeasurements	(	uint	width,
		uint	height
	)			`[private]`

Init display measurements based on database settings and actual screen parameters.

Definition at line 446 of file videoout_xv.cpp.

Referenced by Init().

void VideoOutputXv::InitColorKey ( bool turnoffautopaint ) [private]

Initializes color keying support used by XVideo output methods.

Parameters:

turnoffautopaint

turn off or on XV_AUTOPAINT_COLORKEY property.

Definition at line 1638 of file videoout_xv.cpp.

Referenced by InitSetupBuffers().

bool VideoOutputXv::InitVideoBuffers	(	MythCodecID	mcodecid,
		bool	use_xv,
		bool	use_shm,
		bool	use_opengl
	)			`[private]`

Creates and initializes video buffers.

Side Effects:: sets video_output_subtype if it succeeds.

Bug:: Extra buffers are pre-allocated here for XVMC_VLD due to a bug somewhere else, see comment in code.

Returns:: success or failure at creating any buffers.

Definition at line 855 of file videoout_xv.cpp.

Referenced by InitSetupBuffers().

bool VideoOutputXv::InitXvMC ( MythCodecID mcodecid ) [private]

Creates and initializes video buffers.

Side Effects:: sets video_output_subtype if it succeeds.

Returns:: success or failure at creating any buffers.

Definition at line 1014 of file videoout_xv.cpp.

Referenced by InitVideoBuffers().

bool VideoOutputXv::InitXVideo ( void ) [private]

Creates and initializes video buffers.

Side Effects:: sets video_output_subtype if it succeeds.

Returns:: success or failure at creating any buffers.

Definition at line 1097 of file videoout_xv.cpp.

Referenced by InitVideoBuffers().

bool VideoOutputXv::InitOpenGL ( void ) [private]

Definition at line 914 of file videoout_xv.cpp.

Referenced by InitVideoBuffers().

bool VideoOutputXv::InitXShm ( void ) [private]

Creates and initializes video buffers.

Side Effects:: sets video_output_subtype if it succeeds.

Returns:: success or failure at creating any buffers.

Definition at line 1198 of file videoout_xv.cpp.

Referenced by InitVideoBuffers().

bool VideoOutputXv::InitXlib ( void ) [private]

Creates and initializes video buffers.

Side Effects:: sets video_output_subtype if it succeeds.

Returns:: success or failure at creating any buffers.

Definition at line 1233 of file videoout_xv.cpp.

Referenced by InitVideoBuffers().

bool VideoOutputXv::InitOSD ( const QString & osd_renderer ) [private]

Definition at line 1369 of file videoout_xv.cpp.

Referenced by InitSetupBuffers().

bool VideoOutputXv::CheckOSDInit ( void ) [private]

Definition at line 1443 of file videoout_xv.cpp.

Referenced by InitSetupBuffers().

bool VideoOutputXv::CreateXvMCBuffers ( void ) [private]

Definition at line 1895 of file videoout_xv.cpp.

Referenced by CreateBuffers(), and InitXvMC().

bool VideoOutputXv::CreateBuffers ( VOSType subtype ) [private]

Definition at line 2171 of file videoout_xv.cpp.

Referenced by InitOpenGL(), InitXlib(), InitXShm(), InitXVideo(), and InputChanged().

vector< void * > VideoOutputXv::CreateXvMCSurfaces	(	uint	num,
		bool	surface_has_vld
	)			`[private]`

Definition at line 1946 of file videoout_xv.cpp.

Referenced by CreateXvMCBuffers().

vector< unsigned char * > VideoOutputXv::CreateShmImages	(	uint	num,
		bool	use_xv
	)			`[private]`

Creates Shared Memory Images.

Each XvImage/XImage created is added to xv_buffers, and shared memory info is added to XJ_shm_infos.

Parameters:

	num	number of buffers to create
	use_xv	use XvShmCreateImage instead of XShmCreateImage

Returns:: vector containing image data for each buffer created

Definition at line 2039 of file videoout_xv.cpp.

Referenced by CreateBuffers().

void VideoOutputXv::CreatePauseFrame ( VOSType subtype ) [private]

Creates an extra frame for pause.

This creates a pause frame by copies the scratch frame settings, a and allocating a databuffer, so a scratch must already exist. XvMC does not use this pause frame facility so this only creates a pause buffer for the other output methods.