void MainWindow::on_Video_source_radioButton_clicked()
{
capWebcam.release();
fileName = QFileDialog::getOpenFileName(this,tr("Open Video"),".",tr("Video Files (*.avi *.mp4 *.wmv)"));
// image_from_file = cv::imread(fileName.toLatin1().data()) ;//.toAscii().data()
//cv::VideoCapture capWebcam(fileName.toLatin1().data());
capWebcam.open(fileName.toLatin1().data());
if(capWebcam.isOpened() == false)
{
ui->Total_time_spent->appendPlainText("error: Video not accessed succesfully");
return;
}
video_file_FPS = capWebcam.get(CV_CAP_PROP_FPS);
qDebug() << "FPS " << video_file_FPS;
tmrTimer = new QTimer(this);
connect(tmrTimer, SIGNAL(timeout()),this,SLOT(runVideo()));
//tmrTimer->start(1.0/60); //lavprioritet funksjon, hvis systemet bruker lenger tid får det lov til å btuke lenger tid
tmrTimer->start(100);
}
void run() {
view.firstTimeStamp = view.lastRecordFrame = view.lastVideoFrame = getMS();
view.dirty = 0;
view.lastVideoFrameSkip=0;
view.zoomTarget = view.zoom;
view.zoomSpeed = 0;
VectorCopy(view.rot, view.rotTarget);
VectorZero(view.rotSpeed);
while (!view.quit) {
Uint32 ts_before, ts_after;
Uint32 ts;
ts_before = getMS();
if (state.mode & SM_RECORD) {
view.frameSkipCounter = 0;
//if (view.verboseMode)
// conAdd(LLOW, "R frame:%5i dt:%5i fs:%2i", state.totalFrames, view.deltaVideoFrame, state.historyNFrame);
setTitle(va("%s frame: %i/%i (skip:%i)", STRING_RECORD, state.totalFrames, state.historyFrames, state.historyNFrame));
processFrame();
ts = getMS();
view.deltaRecordFrame = ts - view.lastRecordFrame;
view.lastRecordFrame = ts;
if (state.autoSave && (state.totalFrames - state.lastSave) >= state.autoSave) {
cmdSaveFrameDump(0);
state.lastSave = state.totalFrames;
}
}
else if (state.mode & SM_PLAY) {
if (view.frameSkip < 0) {
view.frameSkipCounter++;
if (view.frameSkipCounter > -view.frameSkip) {
view.frameSkipCounter = 0;
state.currentFrame++;
}
} else {
state.currentFrame++;
state.currentFrame+=view.frameSkip;
}
if (state.currentFrame >= state.frame) {
state.currentFrame = 0;
view.frameSkipCounter = 0;
}
//if (view.verboseMode)
// conAdd(LLOW, "P frame:%5i dt:%5i fs:%2i", state.currentFrame, view.deltaVideoFrame, state.historyNFrame);
}
timerUpdate();
runInput();
if (view.quit) return;
if (state.autoRecordNext) {
state.autoRecordNext = 0;
cmdRecord(0);
}
setColours();
if (view.zoomFitAuto == 2) {
cmdZoomFit(NULL);
view.zoomTarget = view.zoom;
view.zoomSpeed = 0;
}
runVideo();
/* if we are not recording or replaying, wait a bit -- helps to cool down you laptop :-)) */
if (((state.mode & (SM_RECORD|SM_PLAY) ) == 0) && (view.dirty < 1)) {
ts_after = getMS();
if (ts_after < (ts_before + SMALL_NAP)) SDL_Delay( SMALL_NAP - (ts_after - ts_before));
}
/* pull the break on very fast video cards - 60fps playback is enough */
if (((state.mode & SM_PLAY ) == SM_PLAY) || (state.mode == 0)) {
ts_after = getMS();
if (ts_after < (ts_before + PLAY_MIN_TIME)) SDL_Delay(PLAY_MIN_TIME - (ts_after - ts_before));
}
/* if minVideoRefreshTime is set, hold the current frame a bit longer*/
if (view.minVideoRefreshTime >= SDL_TIMESLICE) {
ts_after = getMS();
if (ts_after < (ts_before + view.minVideoRefreshTime)) SDL_Delay(view.minVideoRefreshTime - (ts_after - ts_before));
}
// if last video frame was displayed, reset dirty flag
if (view.lastVideoFrameSkip==0) {
view.dirty = 0;
if (view.drawAxis==3) view.drawAxis=1;
}
}
}
