/**
* Reads a single VTS file.
*
* @param vtsnTitles {@link DvdTitle} belonging to this VTS file. When this method returns, the
* {@link DvdTitle} will contain detailed data.
* @param dvdDir Mount directory of the DVD
* @param vtsFile actual VTS file to be read
*/
private void readVtsFile(List<DvdTitle> vtsnTitles, File dvdDir, String vtsFile)
throws IOException {
try (IfoRandomAccessFile vts = new IfoRandomAccessFile(dvdDir, vtsFile)) {
if (!"DVDVIDEO-VTS".equals(vts.readFixedString(12))) {
throw new IfoException("No VTS file");
}
Map<Integer, Long> pgcOffsets = vts.readPgcOffsets();
DvdTitleSet titleSet = vts.readTitleSet();
for (int ix = 0; ix < vtsnTitles.size(); ix++) {
DvdTitle title = vtsnTitles.get(ix);
title.setTitleSet(titleSet);
readVtsPgc(vts, title, titleSet, pgcOffsets.get(title.getVts()));
}
}
}
