}
}
private String[] prepareFFMPEGOptions(GraphPropertyWorkData data, File videoPosterFrameFile) {
ArrayList<String> ffmpegOptionsList = new ArrayList<String>();
DoubleLumifyProperty durationProperty = new DoubleLumifyProperty(config.durationIri);
Double duration = durationProperty.getPropertyValue(data.getElement(), 0);
if (duration != null) {
ffmpegOptionsList.add("-itsoffset");
ffmpegOptionsList.add("-" + (duration / 3.0));
}