private SmoothStreamingChunkSource(
ManifestFetcher<SmoothStreamingManifest> manifestFetcher,
SmoothStreamingManifest initialManifest,
SmoothStreamingTrackSelector trackSelector,
DataSource dataSource,
FormatEvaluator adaptiveFormatEvaluator,
long liveEdgeLatencyMs) {
this.manifestFetcher = manifestFetcher;
this.currentManifest = initialManifest;
this.trackSelector = trackSelector;
this.dataSource = dataSource;
this.adaptiveFormatEvaluator = adaptiveFormatEvaluator;
this.liveEdgeLatencyUs = liveEdgeLatencyMs * 1000;
evaluation = new Evaluation();
tracks = new ArrayList<>();
extractorWrappers = new SparseArray<>();
mediaFormats = new SparseArray<>();
live = initialManifest.isLive;
ProtectionElement protectionElement = initialManifest.protectionElement;
if (protectionElement != null) {
byte[] keyId = getProtectionElementKeyId(protectionElement.data);
trackEncryptionBoxes = new TrackEncryptionBox[1];
trackEncryptionBoxes[0] = new TrackEncryptionBox(true, INITIALIZATION_VECTOR_SIZE, keyId);
drmInitData = new DrmInitData.Mapped(MimeTypes.VIDEO_MP4);
drmInitData.put(protectionElement.uuid, protectionElement.data);
} else {
trackEncryptionBoxes = null;
drmInitData = null;
}
}
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);
}