private void onMoovContainerAtomRead(ContainerAtom moov) throws ParserException {
List<Atom.LeafAtom> moovChildren = moov.leafChildren;
int moovChildrenSize = moovChildren.size();
DrmInitData.Mapped drmInitData = null;
for (int i = 0; i < moovChildrenSize; i++) {
LeafAtom child = moovChildren.get(i);
if (child.type == Atom.TYPE_pssh) {
if (drmInitData == null) {
drmInitData = new DrmInitData.Mapped();
}
byte[] psshData = child.data.data;
drmInitData.put(
PsshAtomUtil.parseUuid(psshData), new SchemeInitData(MimeTypes.VIDEO_MP4, psshData));
}
}
if (drmInitData != null) {
extractorOutput.drmInitData(drmInitData);
}
ContainerAtom mvex = moov.getContainerAtomOfType(Atom.TYPE_mvex);
extendsDefaults = parseTrex(mvex.getLeafAtomOfType(Atom.TYPE_trex).data);
track =
AtomParsers.parseTrak(
moov.getContainerAtomOfType(Atom.TYPE_trak),
moov.getLeafAtomOfType(Atom.TYPE_mvhd),
false);
checkState(track != null);
trackOutput.format(track.mediaFormat);
}
/** 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);
}
}
}