bool IdsSourceSink::GrabFrame(ImagePacket &target, int indexIncrement)
{
if (indexIncrement<0) qDebug()<<"Cannot stream backwards";
#ifdef Q_OS_WIN32
if (WaitForSingleObject(hEvent, EVENTTHREAD_WAIT_TIMEOUT) == WAIT_OBJECT_0) {
#else
if (is_WaitEvent (hCam, IS_SET_EVENT_FRAME, camTimeStep*5) == IS_SUCCESS) {
#endif
void *pMemVoid; //pointer to where the image is stored **********************
is_GetImageMem (hCam, &pMemVoid);
buffer.data = (unsigned char*)pMemVoid;
is_GetImageInfo( hCam, memId, &ImageInfo, sizeof(ImageInfo)); //Get info ASAP in case of an interruption due to a click
target.image=buffer.clone();
if (camTimeOffset==0) {
camTimeOffset=3600000*ImageInfo.TimestampSystem.wHour+60000*ImageInfo.TimestampSystem.wMinute+1000.0*ImageInfo.TimestampSystem.wSecond+ImageInfo.TimestampSystem.wMilliseconds;
target.timeStamp=0;
} else {
double tis;
tis=3600000*ImageInfo.TimestampSystem.wHour+60000*ImageInfo.TimestampSystem.wMinute+1000.0*ImageInfo.TimestampSystem.wSecond+ImageInfo.TimestampSystem.wMilliseconds-camTimeOffset;
target.timeStamp=tis;
}
target.seqNumber=ImageInfo.u64FrameNumber;
target.pixFormat="MONO8";
}
return true;
}
bool IdsSourceSink::StopAcquisition() {
is_StopLiveVideo(hCam, IS_WAIT);
is_DisableEvent (hCam, IS_SET_EVENT_FRAME); //added by Sam
#ifdef Q_OS_WIN32
is_ExitEvent(hCam, hEvent);
#endif
is_FreeImageMem (hCam, imgMem, memId);
Sleeper::msleep(10*camTimeStep); // NEEDS some sleep to stop all internal events
return true;
}
void UEyeCaptureInterface::SpinThread::run()
{
qDebug("new frame thread running");
while (capInterface->spinRunning.tryLock()) {
//usleep(20000);
if (capInterface->sync == SOFT_SYNC || capInterface->sync == FRAME_HARD_SYNC) {
// printf("Both cameras fire!!!\n");
ueyeTrace(is_FreezeVideo (capInterface->rightCamera.mCamera, IS_DONT_WAIT));
ueyeTrace(is_FreezeVideo (capInterface->leftCamera .mCamera, IS_DONT_WAIT));
}
int result = IS_SUCCESS;
while ((result = capInterface->rightCamera.waitUEyeFrameEvent(INFINITE)) != IS_SUCCESS)
{
SYNC_PRINT(("WaitFrameEvent failed for right camera\n"));
ueyeTrace(result);
}
//SYNC_PRINT(("Got right frame\n"));
while ((result = capInterface->leftCamera .waitUEyeFrameEvent(INFINITE)) != IS_SUCCESS)
{
SYNC_PRINT(("WaitFrameEvent failed for left camera\n"));
ueyeTrace(result);
}
//SYNC_PRINT(("Got left frame\n"));
/* If we are here seems like both new cameras produced frames*/
int bufIDL, bufIDR;
char *rawBufferLeft = NULL;
char *rawBufferRight = NULL;
HIDS mCameraLeft;
HIDS mCameraRight;
mCameraLeft = capInterface->leftCamera.mCamera;
is_GetActSeqBuf(mCameraLeft, &bufIDL, NULL, &rawBufferLeft);
is_LockSeqBuf (mCameraLeft, IS_IGNORE_PARAMETER, rawBufferLeft);
mCameraRight = capInterface->rightCamera.mCamera;
is_GetActSeqBuf(mCameraRight, &bufIDR, NULL, &rawBufferRight);
is_LockSeqBuf (mCameraRight, IS_IGNORE_PARAMETER, rawBufferRight);
// SYNC_PRINT(("We have locked buffers [%d and %d]\n", bufIDL, bufIDR));
/* Now exchange the buffer that is visible from */
capInterface->protectFrame.lock();
UEYEIMAGEINFO imageInfo;
if (capInterface->currentLeft)
is_UnlockSeqBuf (mCameraLeft, IS_IGNORE_PARAMETER, (char *)capInterface->currentLeft->buffer);
is_GetImageInfo (mCameraLeft, bufIDL, &imageInfo, sizeof(UEYEIMAGEINFO));
capInterface->currentLeft = capInterface->leftCamera.getDescriptorByAddress(rawBufferLeft);
capInterface->currentLeft->internalTimestamp = imageInfo.u64TimestampDevice;
capInterface->currentLeft->pcTimestamp = imageInfo.TimestampSystem;
if (capInterface->currentRight)
is_UnlockSeqBuf (mCameraRight, IS_IGNORE_PARAMETER, (char *)capInterface->currentRight->buffer);
is_GetImageInfo (mCameraRight, bufIDR, &imageInfo, sizeof(UEYEIMAGEINFO));
capInterface->currentRight = capInterface->rightCamera.getDescriptorByAddress(rawBufferRight);
capInterface->currentRight->internalTimestamp = imageInfo.u64TimestampDevice;
capInterface->currentRight->pcTimestamp = imageInfo.TimestampSystem;
capInterface->skippedCount++;
capInterface->triggerSkippedCount = is_CameraStatus (mCameraRight, IS_TRIGGER_MISSED, IS_GET_STATUS);
capInterface->protectFrame.unlock();
/* For statistics */
if (capInterface->lastFrameTime.usecsTo(PreciseTimer()) != 0)
{
capInterface->frameDelay = capInterface->lastFrameTime.usecsToNow();
}
capInterface->lastFrameTime = PreciseTimer::currentTime();
frame_data_t frameData;
frameData.timestamp = (capInterface->currentLeft->usecsTimeStamp() / 2) + (capInterface->currentRight->usecsTimeStamp() / 2);
capInterface->notifyAboutNewFrame(frameData);
capInterface->spinRunning.unlock();
if (capInterface->shouldStopSpinThread)
{
qDebug("Break command received");
break;
}
}
qDebug("new frame thread finished");
}
