public TextTrackImpl() {
super("subtitles");
sampleDescriptionBox = new SampleDescriptionBox();
TextSampleEntry tx3g = new TextSampleEntry("tx3g");
tx3g.setDataReferenceIndex(1);
tx3g.setStyleRecord(new TextSampleEntry.StyleRecord());
tx3g.setBoxRecord(new TextSampleEntry.BoxRecord());
sampleDescriptionBox.addBox(tx3g);
FontTableBox ftab = new FontTableBox();
ftab.setEntries(Collections.singletonList(new FontTableBox.FontRecord(1, "Serif")));
tx3g.addBox(ftab);
trackMetaData.setCreationTime(new Date());
trackMetaData.setModificationTime(new Date());
trackMetaData.setTimescale(1000); // Text tracks use millieseconds
}
private void parse(InputStream fin) throws IOException {
inputStream = fin;
bitRateAndFrameSizeTable = new int[19][2][3][2];
stts = new LinkedList<TimeToSampleBox.Entry>();
initBitRateAndFrameSizeTable();
if (!readVariables()) {
throw new IOException();
}
sampleDescriptionBox = new SampleDescriptionBox();
AudioSampleEntry audioSampleEntry = new AudioSampleEntry("ac-3");
audioSampleEntry.setChannelCount(2); // According to ETSI TS 102 366 Annex F
audioSampleEntry.setSampleRate(samplerate);
audioSampleEntry.setDataReferenceIndex(1);
audioSampleEntry.setSampleSize(16);
AC3SpecificBox ac3 = new AC3SpecificBox();
ac3.setAcmod(acmod);
ac3.setBitRateCode(frmsizecod >> 1);
ac3.setBsid(bsid);
ac3.setBsmod(bsmod);
ac3.setFscod(fscod);
ac3.setLfeon(lfeon);
ac3.setReserved(0);
audioSampleEntry.addBox(ac3);
sampleDescriptionBox.addBox(audioSampleEntry);
trackMetaData.setCreationTime(new Date());
trackMetaData.setModificationTime(new Date());
trackMetaData.setLanguage(lang);
trackMetaData.setTimescale(samplerate); // Audio tracks always use samplerate as timescale
samples = new LinkedList<ByteBuffer>();
if (!readSamples()) {
throw new IOException();
}
}