Add frame exporter
add extra class to export video as well as key baseline/signal frames fix QCharts automatic xAxis limit update fix QCharts intrinsic series potential bug with 16bit grayscale and intrinsic series normalisation
add extra class to export video as well as key baseline/signal frames fix QCharts automatic xAxis limit update fix QCharts intrinsic series potential bug with 16bit grayscale and intrinsic series normalisation