FrameLoopImpl Class Reference

implementation of the loop More...

#include <FrameLoop.h>

Inheritance diagram for FrameLoopImpl:

Collaboration diagram for FrameLoopImpl:

Public Member Functions
void	Loop (FrameSource *frameSource)
	forever (until frameSource ends) More...
void	LoopUntilKeyPress (FrameSource *frameSource)
	stop on any key More...
void	LoopNFrames (FrameSource *frameSource, int nFrames)
	read a fixed number of frames More...
void	SingleFrame (FrameSource *frameSource)
	single frame More...
void	WaitForFirstFrame ()
	for synchronisation between threads More...
void	WaitForNextFrame ()
	for synchronisation between threads More...

Private Attributes
mhthreads::Condition	newFrame
std::vector< RegionInfo >	regions

Additional Inherited Members
Protected Member Functions inherited from FrameObsSupport
void	FireFrameNotification (IplImage *img, int frameNr) const
void	FireRegionNotification (const std::vector< RegionInfo > &regions) const

Detailed Description

implementation of the loop

Warning

the Loop... and SingleFrame methods should be called by the same thread or extra serialization of calls has to be done.

Definition at line 89 of file FrameLoop.h.

Member Function Documentation

void FrameLoopImpl::Loop ( FrameSource *  frameSource)

virtual

forever (until frameSource ends)

Implements FrameLoop.

Definition at line 94 of file FrameLoop.h.

References FrameObsSupport::FireFrameNotification(), FrameSource::GetFrameNr(), FrameSource::GetNextFrame(), MHDBGMSG, newFrame, mhthreads::Condition::Signal(), and WAIT_TIME.

void FrameLoopImpl::LoopNFrames ( FrameSource *  frameSource, int  nFrames  )

virtual

read a fixed number of frames

Implements FrameLoop.

Definition at line 123 of file FrameLoop.h.

References FrameObsSupport::FireFrameNotification(), FrameSource::GetFrameNr(), FrameSource::GetNextFrame(), newFrame, mhthreads::Condition::Signal(), and WAIT_TIME.

void FrameLoopImpl::LoopUntilKeyPress ( FrameSource *  frameSource)

virtual

stop on any key

Implements FrameLoop.

Definition at line 104 of file FrameLoop.h.

References FrameObsSupport::FireFrameNotification(), FrameObsSupport::FireRegionNotification(), FrameSource::GetFrameNr(), FrameSource::GetInfo(), FrameSource::GetNextFrame(), FrameSource::GetNumInfos(), newFrame, regions, mhthreads::Condition::Signal(), and WAIT_TIME.

void FrameLoopImpl::SingleFrame ( FrameSource *  frameSource)

virtual

single frame

Implements FrameLoop.

Definition at line 132 of file FrameLoop.h.

References FrameObsSupport::FireFrameNotification(), FrameObsSupport::FireRegionNotification(), FrameSource::GetFrameNr(), FrameSource::GetInfo(), FrameSource::GetNextFrame(), FrameSource::GetNumInfos(), MHDBGMSG, MHDBGMSG_P, newFrame, regions, and mhthreads::Condition::Signal().

void FrameLoopImpl::WaitForFirstFrame ( )

virtual

for synchronisation between threads

wait some minutes for camera init

Implements FrameLoop.

Definition at line 159 of file FrameLoop.h.

References MHDBGMSG, newFrame, and mhthreads::Condition::TimedWait().

void FrameLoopImpl::WaitForNextFrame ( )

virtual

for synchronisation between threads

wait some seconds - the computations may take quite long!

Implements FrameLoop.

Definition at line 168 of file FrameLoop.h.

References MHDBGMSG, MHDBGMSG_I, newFrame, and mhthreads::Condition::TimedWait().

Member Data Documentation

mhthreads::Condition FrameLoopImpl::newFrame

private

Definition at line 90 of file FrameLoop.h.

Referenced by Loop(), LoopNFrames(), LoopUntilKeyPress(), SingleFrame(), WaitForFirstFrame(), and WaitForNextFrame().

std::vector<RegionInfo> FrameLoopImpl::regions

private

Definition at line 91 of file FrameLoop.h.

Referenced by LoopUntilKeyPress(), and SingleFrame().

---

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

• FrameLoop.h