private int calcSpaceReq(MovieBox movie) {
int sum = 0;
TrakBox[] tracks = movie.getTracks();
for (int i = 0; i < tracks.length; i++) {
TrakBox trakBox = tracks[i];
ChunkOffsetsBox stco = trakBox.getStco();
if (stco != null) sum += stco.getChunkOffsets().length * 4;
}
return sum;
}
private void cleanDrefs(TrakBox trak) {
MediaInfoBox minf = trak.getMdia().getMinf();
DataInfoBox dinf = trak.getMdia().getMinf().getDinf();
if (dinf == null) {
dinf = new DataInfoBox();
minf.add(dinf);
}
DataRefBox dref = dinf.getDref();
if (dref == null) {
dref = new DataRefBox();
dinf.add(dref);
}
dref.getBoxes().clear();
dref.add(AliasBox.createSelfRef());
for (SampleEntry entry :
NodeBox.findAll(trak, SampleEntry.class, "mdia", "minf", "stbl", "stsd", null)) {
entry.setDrefInd((short) 1);
}
}
public List<MovieBox> cut(MovieBox movie, List<Slice> commands) {
TrakBox videoTrack = movie.getVideoTrack();
if (videoTrack != null && videoTrack.getTimescale() != movie.getTimescale())
movie.fixTimescale(videoTrack.getTimescale());
TrakBox[] tracks = movie.getTracks();
for (int i = 0; i < tracks.length; i++) {
TrakBox trakBox = tracks[i];
forceEditList(movie, trakBox);
List<Edit> edits = trakBox.getEdits();
for (Slice cut : commands) {
split(edits, cut.inSec, movie, trakBox);
split(edits, cut.outSec, movie, trakBox);
}
}
ArrayList<MovieBox> result = new ArrayList<MovieBox>();
for (Slice cut : commands) {
MovieBox clone =
(MovieBox) NodeBox.cloneBox(movie, 16 * 1024 * 1024, BoxFactory.getDefault());
for (TrakBox trakBox : clone.getTracks()) {
selectInner(trakBox.getEdits(), cut, movie, trakBox);
}
result.add(clone);
}
long movDuration = 0;
for (TrakBox trakBox : movie.getTracks()) {
selectOuter(trakBox.getEdits(), commands, movie, trakBox);
trakBox.setEdits(trakBox.getEdits());
movDuration = max(movDuration, trakBox.getDuration());
}
movie.setDuration(movDuration);
return result;
}