/** 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); }