rhkbool allocFrame(page_t *pg, rhkbool isRw,rhkbool isKernel)
{
if(pg->frame != 0)
{
//It means frame is already allocated
return FALSE;
}
else
{
uint32_t idx = getFirstFrame();
if(idx == -1)
{
//No more frame left
return FALSE;
}
setFrame(idx * FRAME_BLOCK_SIZE);
pg->present = TRUE;
pg->rw = (isRw)?TRUE:FALSE;
pg->usermode = (isKernel)?TRUE:FALSE;
pg->frame = idx;
}
return TRUE;
}
TpReceiveTransaction::TpReceiveTransaction(Can *can,/*int transmitDescriptor, int acknowlegmentDescriptor, */QObject *parent) :
QObject(parent),
movingFrames (can, parent),
state (INIT),
timer()
{
blockSize = 0;
consIndex = blockSize;
QObject::connect(&movingFrames, SIGNAL(receiveSingleFrame(SingleFrame)), this, SLOT(getSingleFrame(SingleFrame)));
QObject::connect(&movingFrames, SIGNAL(receiveFirstFrame(FirstFrame)), this, SLOT(getFirstFrame(FirstFrame)));
QObject::connect(&movingFrames, SIGNAL(receiveConsecutiveFrame(ConsecutiveFrame)), this, SLOT(getConsecutiveFrame(ConsecutiveFrame)));
QObject::connect(this, SIGNAL(sendFlowControl(FlowControlFrame)), &movingFrames, SLOT(transmitFlowControlFrame(FlowControlFrame)));
QObject::connect(&timer, SIGNAL(timeout()), this, SLOT(timeout()));
}
void CDirectCamGraphicsView::openVideo(const QString& f_fileName)
{
m_videoFile = f_fileName;
getFirstFrame();
}
