コード例 #1
0
  protected FileTypeBox createFileTypeBox(Movie movie) {
    List<String> minorBrands = new LinkedList<String>();

    minorBrands.add("mp42");
    minorBrands.add("isom");

    return new FileTypeBox("mp42", 0, minorBrands);
  }
コード例 #2
0
  protected Box createStbl(Track track, Movie movie, Map<Track, int[]> chunks) {
    SampleTableBox stbl = new SampleTableBox();

    createStsd(track, stbl);
    createStts(track, stbl);
    createCtts(track, stbl);
    createStss(track, stbl);
    createSdtp(track, stbl);
    createStsc(track, chunks, stbl);
    createStsz(track, stbl);
    createStco(track, movie, chunks, stbl);

    Map<String, List<GroupEntry>> groupEntryFamilies = new HashMap<String, List<GroupEntry>>();
    for (Map.Entry<GroupEntry, long[]> sg : track.getSampleGroups().entrySet()) {
      String type = sg.getKey().getType();
      List<GroupEntry> groupEntries = groupEntryFamilies.get(type);
      if (groupEntries == null) {
        groupEntries = new ArrayList<GroupEntry>();
        groupEntryFamilies.put(type, groupEntries);
      }
      groupEntries.add(sg.getKey());
    }
    for (Map.Entry<String, List<GroupEntry>> sg : groupEntryFamilies.entrySet()) {
      SampleGroupDescriptionBox sgdb = new SampleGroupDescriptionBox();
      String type = sg.getKey();
      sgdb.setGroupEntries(sg.getValue());
      SampleToGroupBox sbgp = new SampleToGroupBox();
      sbgp.setGroupingType(type);
      SampleToGroupBox.Entry last = null;
      for (int i = 0; i < track.getSamples().size(); i++) {
        int index = 0;
        for (int j = 0; j < sg.getValue().size(); j++) {
          GroupEntry groupEntry = sg.getValue().get(j);
          long[] sampleNums = track.getSampleGroups().get(groupEntry);
          if (Arrays.binarySearch(sampleNums, i) >= 0) {
            index = j + 1;
          }
        }
        if (last == null || last.getGroupDescriptionIndex() != index) {
          last = new SampleToGroupBox.Entry(1, index);
          sbgp.getEntries().add(last);
        } else {
          last.setSampleCount(last.getSampleCount() + 1);
        }
      }
      stbl.addBox(sgdb);
      stbl.addBox(sbgp);
    }

    if (track instanceof CencEncryptedTrack) {
      createCencBoxes((CencEncryptedTrack) track, stbl, chunks.get(track));
    }
    createSubs(track, stbl);

    return stbl;
  }
コード例 #3
0
  protected void createStts(Track track, SampleTableBox stbl) {
    TimeToSampleBox.Entry lastEntry = null;
    List<TimeToSampleBox.Entry> entries = new ArrayList<TimeToSampleBox.Entry>();

    for (long delta : track.getSampleDurations()) {
      if (lastEntry != null && lastEntry.getDelta() == delta) {
        lastEntry.setCount(lastEntry.getCount() + 1);
      } else {
        lastEntry = new TimeToSampleBox.Entry(1, delta);
        entries.add(lastEntry);
      }
    }
    TimeToSampleBox stts = new TimeToSampleBox();
    stts.setEntries(entries);
    stbl.addBox(stts);
  }
コード例 #4
0
  protected Box createEdts(Track track, Movie movie) {
    if (track.getEdits() != null && track.getEdits().size() > 0) {
      EditListBox elst = new EditListBox();
      elst.setVersion(0); // quicktime won't play file when version = 1
      List<EditListBox.Entry> entries = new ArrayList<EditListBox.Entry>();

      for (Edit edit : track.getEdits()) {
        entries.add(
            new EditListBox.Entry(
                elst,
                Math.round(edit.getSegmentDuration() * movie.getTimescale()),
                edit.getMediaTime() * track.getTrackMetaData().getTimescale() / edit.getTimeScale(),
                edit.getMediaRate()));
      }

      elst.setEntries(entries);
      EditBox edts = new EditBox();
      edts.addBox(elst);
      return edts;
    } else {
      return null;
    }
  }