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 23 of file ntv2overlay.cpp.

~NTV2Overlay()

NTV2Overlay::~NTV2Overlay ( )

virtual

My destructor.

Definition at line 38 of file ntv2overlay.cpp.

Member Function Documentation

Init()

AJAStatus NTV2Overlay::Init

(

void

)

Prepares me to Run()

Definition at line 68 of file ntv2overlay.cpp.

InputThread()

void NTV2Overlay::InputThread ( void  )

protected

The input/capture thread function.

Definition at line 514 of file ntv2overlay.cpp.

InputThreadStatic()

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

staticprotected

Static output/playout thread function.

Definition at line 494 of file ntv2overlay.cpp.

OutputThread()

void NTV2Overlay::OutputThread ( void  )

protected

The output/playout thread function.

Definition at line 388 of file ntv2overlay.cpp.

OutputThreadStatic()

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

staticprotected

Definition at line 367 of file ntv2overlay.cpp.

Quit()

void NTV2Overlay::Quit

(

void

)

Gracefully stops me.

Definition at line 48 of file ntv2overlay.cpp.

ReleaseCaptureBuffers()

void NTV2Overlay::ReleaseCaptureBuffers ( void  )

protected

Frees capture buffers & ring.

Definition at line 229 of file ntv2overlay.cpp.

RouteInputSignal()

void NTV2Overlay::RouteInputSignal ( void  )

protected

Performs input routing.

Definition at line 159 of file ntv2overlay.cpp.

RouteOutputSignal()

void NTV2Overlay::RouteOutputSignal ( void  )

protected

Performs output routing.

Definition at line 184 of file ntv2overlay.cpp.

RouteOverlaySignal()

void NTV2Overlay::RouteOverlaySignal ( void  )

protected

Performs overlay routing.

Definition at line 175 of file ntv2overlay.cpp.

Run()

AJAStatus NTV2Overlay::Run

(

void

)

Runs me (only after Init called)

Definition at line 347 of file ntv2overlay.cpp.

SetupAudio()

AJAStatus NTV2Overlay::SetupAudio ( void  )

protected

Performs all audio setup.

Definition at line 192 of file ntv2overlay.cpp.

SetupCaptureBuffers()

AJAStatus NTV2Overlay::SetupCaptureBuffers ( void  )

protected

Allocates capture buffers & ring.

Definition at line 206 of file ntv2overlay.cpp.

SetupOverlayBug()

AJAStatus NTV2Overlay::SetupOverlayBug ( void  )

protected

Sets up overlay "bug".

Definition at line 267 of file ntv2overlay.cpp.

SetupVideo()

AJAStatus NTV2Overlay::SetupVideo ( void  )

protected

Performs all video setup.

Definition at line 127 of file ntv2overlay.cpp.

StartInputThread()

void NTV2Overlay::StartInputThread ( void  )

protected

Starts input thread.

Definition at line 485 of file ntv2overlay.cpp.

StartOutputThread()

void NTV2Overlay::StartOutputThread ( void  )

protected

Starts output thread.

Definition at line 358 of file ntv2overlay.cpp.

WaitForStableInputSignal()

NTV2VideoFormat NTV2Overlay::WaitForStableInputSignal ( void  )

protected

Waits for stable input signal.

Definition at line 298 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