/** Parses a traf atom (defined in 14496-12). */
private static void parseTraf(
Track track,
DefaultSampleValues extendsDefaults,
ContainerAtom traf,
TrackFragment out,
int workaroundFlags,
byte[] extendedTypeScratch)
throws ParserException {
// This extractor only supports one trun per traf.
checkState(1 == traf.getChildAtomOfTypeCount(Atom.TYPE_trun));
LeafAtom tfdtAtom = traf.getLeafAtomOfType(Atom.TYPE_tfdt);
long decodeTime;
if (tfdtAtom == null || (workaroundFlags & WORKAROUND_IGNORE_TFDT_BOX) != 0) {
decodeTime = 0;
} else {
decodeTime = parseTfdt(traf.getLeafAtomOfType(Atom.TYPE_tfdt).data);
}
LeafAtom tfhd = traf.getLeafAtomOfType(Atom.TYPE_tfhd);
parseTfhd(extendsDefaults, tfhd.data, out);
LeafAtom trun = traf.getLeafAtomOfType(Atom.TYPE_trun);
parseTrun(track, out.header, decodeTime, workaroundFlags, trun.data, out);
LeafAtom saiz = traf.getLeafAtomOfType(Atom.TYPE_saiz);
if (saiz != null) {
TrackEncryptionBox trackEncryptionBox =
track.sampleDescriptionEncryptionBoxes[out.header.sampleDescriptionIndex];
parseSaiz(trackEncryptionBox, saiz.data, out);
}
LeafAtom saio = traf.getLeafAtomOfType(Atom.TYPE_saio);
if (saio != null) {
parseSaio(saio.data, out);
}
LeafAtom senc = traf.getLeafAtomOfType(Atom.TYPE_senc);
if (senc != null) {
parseSenc(senc.data, out);
}
int childrenSize = traf.leafChildren.size();
for (int i = 0; i < childrenSize; i++) {
LeafAtom atom = traf.leafChildren.get(i);
if (atom.type == Atom.TYPE_uuid) {
parseUuid(atom.data, out, extendedTypeScratch);
}
}
}
private static void parseMoof(
Track track,
DefaultSampleValues extendsDefaults,
ContainerAtom moof,
TrackFragment out,
int workaroundFlags,
byte[] extendedTypeScratch)
throws ParserException {
// This extractor only supports one traf per moof.
checkState(1 == moof.getChildAtomOfTypeCount(Atom.TYPE_traf));
parseTraf(
track,
extendsDefaults,
moof.getContainerAtomOfType(Atom.TYPE_traf),
out,
workaroundFlags,
extendedTypeScratch);
}