NTV2Overlay Class Reference

Outputs live input video overlaid with image having transparency. More...

#include <ntv2overlay.h>

Public Member Functions
	NTV2Overlay (const OverlayConfig &inConfig)
	Construct from OverlayConfig. More...
virtual	~NTV2Overlay ()
	My destructor. More...
AJAStatus	Init (void)
	Prepares me to Run() More...
AJAStatus	Run (void)
	Runs me (only after Init called) More...
void	Quit (void)
	Gracefully stops me. More...

Protected Member Functions
AJAStatus	SetupVideo (void)
	Performs all video setup. More...
AJAStatus	SetupAudio (void)
	Performs all audio setup. More...
AJAStatus	SetupCaptureBuffers (void)
	Allocates capture buffers & ring. More...
void	ReleaseCaptureBuffers (void)
	Frees capture buffers & ring. More...
AJAStatus	SetupOverlayBug (void)
	Sets up overlay "bug". More...
NTV2VideoFormat	WaitForStableInputSignal (void)
	Waits for stable input signal. More...
void	RouteInputSignal (void)
	Performs input routing. More...
void	RouteOverlaySignal (void)
	Performs overlay routing. More...
void	RouteOutputSignal (void)
	Performs output routing. More...
void	StartOutputThread (void)
	Starts output thread. More...
void	OutputThread (void)
	The output/playout thread function. More...
void	StartInputThread (void)
	Starts input thread. More...
void	InputThread (void)
	The input/capture thread function. More...

Static Protected Member Functions
static void	OutputThreadStatic (AJAThread *pThread, void *pInstance)
static void	InputThreadStatic (AJAThread *pThread, void *pInstance)
	Static output/playout thread function. More...

Detailed Description

Outputs live input video overlaid with image having transparency.

Definition at line 22 of file ntv2overlay.h.

Constructor & Destructor Documentation

NTV2Overlay()

NTV2Overlay::NTV2Overlay

(

const OverlayConfig &

inConfig

)

Construct from OverlayConfig.

Definition at line 29 of file ntv2overlay.cpp.

~NTV2Overlay()

NTV2Overlay::~NTV2Overlay ( )

virtual

My destructor.

Definition at line 44 of file ntv2overlay.cpp.

Member Function Documentation

Init()

AJAStatus NTV2Overlay::Init

(

void

)

Prepares me to Run()

Definition at line 74 of file ntv2overlay.cpp.

InputThread()

void NTV2Overlay::InputThread ( void  )

protected

The input/capture thread function.

Definition at line 512 of file ntv2overlay.cpp.

InputThreadStatic()

void NTV2Overlay::InputThreadStatic ( AJAThread *  pThread, void *  pInstance  )

staticprotected

Static output/playout thread function.

Definition at line 492 of file ntv2overlay.cpp.

OutputThread()

void NTV2Overlay::OutputThread ( void  )

protected

The output/playout thread function.

Definition at line 386 of file ntv2overlay.cpp.

OutputThreadStatic()

void NTV2Overlay::OutputThreadStatic ( AJAThread *  pThread, void *  pInstance  )

staticprotected

Definition at line 365 of file ntv2overlay.cpp.

Quit()

void NTV2Overlay::Quit

(

void

)

Gracefully stops me.

Definition at line 54 of file ntv2overlay.cpp.

ReleaseCaptureBuffers()

void NTV2Overlay::ReleaseCaptureBuffers ( void  )

protected

Frees capture buffers & ring.

Definition at line 227 of file ntv2overlay.cpp.

RouteInputSignal()

void NTV2Overlay::RouteInputSignal ( void  )

protected

Performs input routing.

Definition at line 165 of file ntv2overlay.cpp.

RouteOutputSignal()

void NTV2Overlay::RouteOutputSignal ( void  )

protected

Performs output routing.

Definition at line 182 of file ntv2overlay.cpp.

RouteOverlaySignal()

void NTV2Overlay::RouteOverlaySignal ( void  )

protected

Performs overlay routing.

Definition at line 173 of file ntv2overlay.cpp.

Run()

AJAStatus NTV2Overlay::Run

(

void

)

Runs me (only after Init called)

Definition at line 345 of file ntv2overlay.cpp.

SetupAudio()

AJAStatus NTV2Overlay::SetupAudio ( void  )

protected

Performs all audio setup.

Definition at line 190 of file ntv2overlay.cpp.

SetupCaptureBuffers()

AJAStatus NTV2Overlay::SetupCaptureBuffers ( void  )

protected

Allocates capture buffers & ring.

Definition at line 204 of file ntv2overlay.cpp.

SetupOverlayBug()

AJAStatus NTV2Overlay::SetupOverlayBug ( void  )

protected

Sets up overlay "bug".

Definition at line 265 of file ntv2overlay.cpp.

SetupVideo()

AJAStatus NTV2Overlay::SetupVideo ( void  )

protected

Performs all video setup.

Definition at line 133 of file ntv2overlay.cpp.

StartInputThread()

void NTV2Overlay::StartInputThread ( void  )

protected

Starts input thread.

Definition at line 483 of file ntv2overlay.cpp.

StartOutputThread()

void NTV2Overlay::StartOutputThread ( void  )

protected

Starts output thread.

Definition at line 356 of file ntv2overlay.cpp.

WaitForStableInputSignal()

NTV2VideoFormat NTV2Overlay::WaitForStableInputSignal ( void  )

protected

Waits for stable input signal.

Definition at line 296 of file ntv2overlay.cpp.

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

• /home/tcbuilder/buildAgent/work/df8e8cce5bebfd58/libajantv2/demos/ntv2overlay/ntv2overlay.h
• /home/tcbuilder/buildAgent/work/df8e8cce5bebfd58/libajantv2/demos/ntv2overlay/ntv2overlay.cpp