@Override
public void displayTracks(String spotifyID, String artistName) {
if (mTwoPane) {
Bundle b = new Bundle();
b.putString(Utils.SPOTIFY_ID, spotifyID);
b.putString(Utils.ARTIST_NAME, artistName);
mArtistName = artistName;
mTrackFragment = new TrackFragment();
mTrackFragment.setArguments(b);
getSupportFragmentManager()
.beginTransaction()
.replace(R.id.track_fragment_container, mTrackFragment, TRACK_FRAGMENT_TAG)
.commit();
} else {
Intent trackIntent = new Intent(MainActivity.this, TrackActivity.class);
trackIntent.putExtra(Utils.ARTIST_NAME, artistName);
trackIntent.putExtra(Utils.SPOTIFY_ID, spotifyID);
trackIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(trackIntent);
}
} // displayTracks
private static void parseSaiz(
TrackEncryptionBox encryptionBox, ParsableByteArray saiz, TrackFragment out)
throws ParserException {
int vectorSize = encryptionBox.initializationVectorSize;
saiz.setPosition(Atom.HEADER_SIZE);
int fullAtom = saiz.readInt();
int flags = Atom.parseFullAtomFlags(fullAtom);
if ((flags & 0x01) == 1) {
saiz.skipBytes(8);
}
int defaultSampleInfoSize = saiz.readUnsignedByte();
int sampleCount = saiz.readUnsignedIntToInt();
if (sampleCount != out.length) {
throw new ParserException("Length mismatch: " + sampleCount + ", " + out.length);
}
int totalSize = 0;
if (defaultSampleInfoSize == 0) {
boolean[] sampleHasSubsampleEncryptionTable = out.sampleHasSubsampleEncryptionTable;
for (int i = 0; i < sampleCount; i++) {
int sampleInfoSize = saiz.readUnsignedByte();
totalSize += sampleInfoSize;
sampleHasSubsampleEncryptionTable[i] = sampleInfoSize > vectorSize;
}
} else {
boolean subsampleEncryption = defaultSampleInfoSize > vectorSize;
totalSize += defaultSampleInfoSize * sampleCount;
Arrays.fill(out.sampleHasSubsampleEncryptionTable, 0, sampleCount, subsampleEncryption);
}
out.initEncryptionData(totalSize);
}
private void readEncryptionData(ExtractorInput input) throws IOException, InterruptedException {
int bytesToSkip = (int) (fragmentRun.auxiliaryDataPosition - input.getPosition());
checkState(bytesToSkip >= 0, "Offset to encryption data was negative.");
input.skipFully(bytesToSkip);
fragmentRun.fillEncryptionData(input);
parserState = STATE_READING_SAMPLE_START;
}
private static void parseSenc(ParsableByteArray senc, int offset, TrackFragment out)
throws ParserException {
senc.setPosition(Atom.HEADER_SIZE + offset);
int fullAtom = senc.readInt();
int flags = Atom.parseFullAtomFlags(fullAtom);
if ((flags & 0x01 /* override_track_encryption_box_parameters */) != 0) {
// TODO: Implement this.
throw new ParserException("Overriding TrackEncryptionBox parameters is unsupported.");
}
boolean subsampleEncryption = (flags & 0x02 /* use_subsample_encryption */) != 0;
int sampleCount = senc.readUnsignedIntToInt();
if (sampleCount != out.length) {
throw new ParserException("Length mismatch: " + sampleCount + ", " + out.length);
}
Arrays.fill(out.sampleHasSubsampleEncryptionTable, 0, sampleCount, subsampleEncryption);
out.initEncryptionData(senc.bytesLeft());
out.fillEncryptionData(senc);
}
/**
* Parses a tfhd atom (defined in 14496-12).
*
* @param extendsDefaults Default sample values from the trex atom.
* @param tfhd The tfhd atom to parse.
* @param out The track fragment to populate with data from the tfhd atom.
*/
private static void parseTfhd(
DefaultSampleValues extendsDefaults, ParsableByteArray tfhd, TrackFragment out) {
tfhd.setPosition(Atom.HEADER_SIZE);
int fullAtom = tfhd.readInt();
int flags = Atom.parseFullAtomFlags(fullAtom);
tfhd.skipBytes(4); // trackId
if ((flags & 0x01 /* base_data_offset_present */) != 0) {
long baseDataPosition = tfhd.readUnsignedLongToLong();
out.dataPosition = baseDataPosition;
out.auxiliaryDataPosition = baseDataPosition;
}
int defaultSampleDescriptionIndex =
((flags & 0x02 /* default_sample_description_index_present */) != 0)
? tfhd.readUnsignedIntToInt() - 1
: extendsDefaults.sampleDescriptionIndex;
int defaultSampleDuration =
((flags & 0x08 /* default_sample_duration_present */) != 0)
? tfhd.readUnsignedIntToInt()
: extendsDefaults.duration;
int defaultSampleSize =
((flags & 0x10 /* default_sample_size_present */) != 0)
? tfhd.readUnsignedIntToInt()
: extendsDefaults.size;
int defaultSampleFlags =
((flags & 0x20 /* default_sample_flags_present */) != 0)
? tfhd.readUnsignedIntToInt()
: extendsDefaults.flags;
out.header =
new DefaultSampleValues(
defaultSampleDescriptionIndex,
defaultSampleDuration,
defaultSampleSize,
defaultSampleFlags);
}
@Nullable
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
View view = inflater.inflate(R.layout.fragment_schedule, container, false);
scheduleView = (RecyclerView) view.findViewById(R.id.schedule);
swipeRefreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.swipeContainer);
mActivity = getActivity();
scheduleView.setLayoutManager(new LinearLayoutManager(mActivity));
scheduleView.setItemAnimator(new DefaultItemAnimator());
swipeRefreshLayout.setEnabled(false);
swipeRefreshLayout.post(
new Runnable() {
@Override
public void run() {
swipeRefreshLayout.setRefreshing(true);
}
});
Call<List<Room>> roomCall = COSCUPClient.get().room();
roomCall.enqueue(
new Callback<List<Room>>() {
@Override
public void onResponse(Call<List<Room>> call, Response<List<Room>> response) {
if (response.isSuccessful()) {
List<Room> rooms = response.body();
HashMap<String, String> roomMap = new HashMap();
for (Room room : rooms) {
roomMap.put(room.getRoom(), room.getName());
}
getType(roomMap);
} else {
loadOfflineScedule();
}
}
@Override
public void onFailure(Call<List<Room>> call, Throwable t) {
loadOfflineScedule();
}
});
return view;
}
@Override
public void onCreateContextMenu(
ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfoIn) {
if (menuInfoIn == null) return;
AdapterView.AdapterContextMenuInfo mi = (AdapterView.AdapterContextMenuInfo) menuInfoIn;
selectedPosition = mi.position;
adapter.getCursor().moveToPosition(selectedPosition);
String mimeType =
adapter
.getCursor()
.getString(
adapter.getCursor().getColumnIndexOrThrow(MediaStore.Audio.AudioColumns.MIME_TYPE));
if (isSong(mimeType)) {
super.onCreateContextMenu(menu, view, menuInfoIn);
}
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
selectedPosition = position;
adapter.getCursor().moveToPosition(selectedPosition);
String mimeType =
adapter
.getCursor()
.getString(
adapter.getCursor().getColumnIndexOrThrow(MediaStore.Audio.AudioColumns.MIME_TYPE));
if ("artist".equals(mimeType)) {
viewCategory(MusicContract.Artist.getMembersUri(id));
} else if ("album".equals(mimeType)) {
viewCategory(MusicContract.Album.getMembersUri(id));
} else if (isSong(mimeType)) {
super.onListItemClick(l, v, position, id);
}
}
/**
* Parses a saio atom (defined in 14496-12).
*
* @param saio The saio atom to parse.
* @param out The track fragment to populate with data from the saio atom.
*/
private static void parseSaio(ParsableByteArray saio, TrackFragment out) throws ParserException {
saio.setPosition(Atom.HEADER_SIZE);
int fullAtom = saio.readInt();
int flags = Atom.parseFullAtomFlags(fullAtom);
if ((flags & 0x01) == 1) {
saio.skipBytes(8);
}
int entryCount = saio.readUnsignedIntToInt();
if (entryCount != 1) {
// We only support one trun element currently, so always expect one entry.
throw new ParserException("Unexpected saio entry count: " + entryCount);
}
int version = Atom.parseFullAtomVersion(fullAtom);
out.auxiliaryDataPosition +=
version == 0 ? saio.readUnsignedInt() : saio.readUnsignedLongToLong();
}
@Override
public void onArtistsSearched() {
if (mTwoPane) {
mTrackFragment.clearTracks();
}
}
/**
* Attempts to extract the next sample in the current mdat atom.
*
* <p>If there are no more samples in the current mdat atom then the parser state is transitioned
* to {@link #STATE_READING_ATOM_HEADER} and {@code false} is returned.
*
* <p>It is possible for a sample to be extracted in part in the case that an exception is thrown.
* In this case the method can be called again to extract the remainder of the sample.
*
* @param input The {@link ExtractorInput} from which to read data.
* @return True if a sample was extracted. False otherwise.
* @throws IOException If an error occurs reading from the input.
* @throws InterruptedException If the thread is interrupted.
*/
private boolean readSample(ExtractorInput input) throws IOException, InterruptedException {
if (sampleIndex == 0) {
int bytesToSkip = (int) (fragmentRun.dataPosition - input.getPosition());
checkState(bytesToSkip >= 0, "Offset to sample data was negative.");
input.skipFully(bytesToSkip);
}
if (sampleIndex >= fragmentRun.length) {
int bytesToSkip = (int) (endOfMdatPosition - input.getPosition());
checkState(bytesToSkip >= 0, "Offset to end of mdat was negative.");
input.skipFully(bytesToSkip);
// We've run out of samples in the current mdat atom.
enterReadingAtomHeaderState();
return false;
}
if (parserState == STATE_READING_SAMPLE_START) {
sampleSize = fragmentRun.sampleSizeTable[sampleIndex];
if (fragmentRun.definesEncryptionData) {
sampleBytesWritten = appendSampleEncryptionData(fragmentRun.sampleEncryptionData);
sampleSize += sampleBytesWritten;
} else {
sampleBytesWritten = 0;
}
sampleCurrentNalBytesRemaining = 0;
parserState = STATE_READING_SAMPLE_CONTINUE;
}
if (track.nalUnitLengthFieldLength != -1) {
// Zero the top three bytes of the array that we'll use to parse nal unit lengths, in case
// they're only 1 or 2 bytes long.
byte[] nalLengthData = nalLength.data;
nalLengthData[0] = 0;
nalLengthData[1] = 0;
nalLengthData[2] = 0;
int nalUnitLengthFieldLength = track.nalUnitLengthFieldLength;
int nalUnitLengthFieldLengthDiff = 4 - track.nalUnitLengthFieldLength;
// NAL units are length delimited, but the decoder requires start code delimited units.
// Loop until we've written the sample to the track output, replacing length delimiters with
// start codes as we encounter them.
while (sampleBytesWritten < sampleSize) {
if (sampleCurrentNalBytesRemaining == 0) {
// Read the NAL length so that we know where we find the next one.
input.readFully(nalLength.data, nalUnitLengthFieldLengthDiff, nalUnitLengthFieldLength);
nalLength.setPosition(0);
sampleCurrentNalBytesRemaining = nalLength.readUnsignedIntToInt();
// Write a start code for the current NAL unit.
nalStartCode.setPosition(0);
trackOutput.sampleData(nalStartCode, 4);
sampleBytesWritten += 4;
sampleSize += nalUnitLengthFieldLengthDiff;
} else {
// Write the payload of the NAL unit.
int writtenBytes = trackOutput.sampleData(input, sampleCurrentNalBytesRemaining, false);
sampleBytesWritten += writtenBytes;
sampleCurrentNalBytesRemaining -= writtenBytes;
}
}
} else {
while (sampleBytesWritten < sampleSize) {
int writtenBytes = trackOutput.sampleData(input, sampleSize - sampleBytesWritten, false);
sampleBytesWritten += writtenBytes;
}
}
long sampleTimeUs = fragmentRun.getSamplePresentationTime(sampleIndex) * 1000L;
int sampleFlags =
(fragmentRun.definesEncryptionData ? C.SAMPLE_FLAG_ENCRYPTED : 0)
| (fragmentRun.sampleIsSyncFrameTable[sampleIndex] ? C.SAMPLE_FLAG_SYNC : 0);
int sampleDescriptionIndex = fragmentRun.header.sampleDescriptionIndex;
byte[] encryptionKey =
fragmentRun.definesEncryptionData
? track.sampleDescriptionEncryptionBoxes[sampleDescriptionIndex].keyId
: null;
trackOutput.sampleMetadata(sampleTimeUs, sampleFlags, sampleSize, 0, encryptionKey);
sampleIndex++;
parserState = STATE_READING_SAMPLE_START;
return true;
}
/**
* Parses a trun atom (defined in 14496-12).
*
* @param track The corresponding track.
* @param defaultSampleValues Default sample values.
* @param decodeTime The decode time.
* @param trun The trun atom to parse.
* @param out The {@TrackFragment} into which parsed data should be placed.
*/
private static void parseTrun(
Track track,
DefaultSampleValues defaultSampleValues,
long decodeTime,
int workaroundFlags,
ParsableByteArray trun,
TrackFragment out) {
trun.setPosition(Atom.HEADER_SIZE);
int fullAtom = trun.readInt();
int flags = Atom.parseFullAtomFlags(fullAtom);
int sampleCount = trun.readUnsignedIntToInt();
if ((flags & 0x01 /* data_offset_present */) != 0) {
out.dataPosition += trun.readInt();
}
boolean firstSampleFlagsPresent = (flags & 0x04 /* first_sample_flags_present */) != 0;
int firstSampleFlags = defaultSampleValues.flags;
if (firstSampleFlagsPresent) {
firstSampleFlags = trun.readUnsignedIntToInt();
}
boolean sampleDurationsPresent = (flags & 0x100 /* sample_duration_present */) != 0;
boolean sampleSizesPresent = (flags & 0x200 /* sample_size_present */) != 0;
boolean sampleFlagsPresent = (flags & 0x400 /* sample_flags_present */) != 0;
boolean sampleCompositionTimeOffsetsPresent =
(flags & 0x800 /* sample_composition_time_offsets_present */) != 0;
out.initTables(sampleCount);
int[] sampleSizeTable = out.sampleSizeTable;
int[] sampleCompositionTimeOffsetTable = out.sampleCompositionTimeOffsetTable;
long[] sampleDecodingTimeTable = out.sampleDecodingTimeTable;
boolean[] sampleIsSyncFrameTable = out.sampleIsSyncFrameTable;
long timescale = track.timescale;
long cumulativeTime = decodeTime;
boolean workaroundEveryVideoFrameIsSyncFrame =
track.type == Track.TYPE_vide
&& (workaroundFlags & WORKAROUND_EVERY_VIDEO_FRAME_IS_SYNC_FRAME) != 0;
for (int i = 0; i < sampleCount; i++) {
// Use trun values if present, otherwise tfhd, otherwise trex.
int sampleDuration =
sampleDurationsPresent ? trun.readUnsignedIntToInt() : defaultSampleValues.duration;
int sampleSize = sampleSizesPresent ? trun.readUnsignedIntToInt() : defaultSampleValues.size;
int sampleFlags =
(i == 0 && firstSampleFlagsPresent)
? firstSampleFlags
: sampleFlagsPresent ? trun.readInt() : defaultSampleValues.flags;
if (sampleCompositionTimeOffsetsPresent) {
// The BMFF spec (ISO 14496-12) states that sample offsets should be unsigned integers in
// version 0 trun boxes, however a significant number of streams violate the spec and use
// signed integers instead. It's safe to always parse sample offsets as signed integers
// here, because unsigned integers will still be parsed correctly (unless their top bit is
// set, which is never true in practice because sample offsets are always small).
int sampleOffset = trun.readInt();
sampleCompositionTimeOffsetTable[i] = (int) ((sampleOffset * 1000) / timescale);
} else {
sampleCompositionTimeOffsetTable[i] = 0;
}
sampleDecodingTimeTable[i] = Util.scaleLargeTimestamp(cumulativeTime, 1000, timescale);
sampleSizeTable[i] = sampleSize;
sampleIsSyncFrameTable[i] =
((sampleFlags >> 16) & 0x1) == 0 && (!workaroundEveryVideoFrameIsSyncFrame || i == 0);
cumulativeTime += sampleDuration;
}
}
private void onMoofContainerAtomRead(ContainerAtom moof) throws ParserException {
fragmentRun.reset();
parseMoof(track, extendsDefaults, moof, fragmentRun, workaroundFlags, extendedTypeScratch);
sampleIndex = 0;
}
private boolean readAtomHeader(ExtractorInput input) throws IOException, InterruptedException {
if (atomHeaderBytesRead == 0) {
// Read the standard length atom header.
if (!input.readFully(atomHeader.data, 0, Atom.HEADER_SIZE, true)) {
return false;
}
atomHeaderBytesRead = Atom.HEADER_SIZE;
atomHeader.setPosition(0);
atomSize = atomHeader.readUnsignedInt();
atomType = atomHeader.readInt();
}
if (atomSize == Atom.LONG_SIZE_PREFIX) {
// Read the extended atom size.
int headerBytesRemaining = Atom.LONG_HEADER_SIZE - Atom.HEADER_SIZE;
input.readFully(atomHeader.data, Atom.HEADER_SIZE, headerBytesRemaining);
atomHeaderBytesRead += headerBytesRemaining;
atomSize = atomHeader.readUnsignedLongToLong();
}
long atomPosition = input.getPosition() - atomHeaderBytesRead;
if (atomType == Atom.TYPE_moof) {
// The data positions may be updated when parsing the tfhd/trun.
fragmentRun.auxiliaryDataPosition = atomPosition;
fragmentRun.dataPosition = atomPosition;
}
if (atomType == Atom.TYPE_mdat) {
endOfMdatPosition = atomPosition + atomSize;
if (!haveOutputSeekMap) {
extractorOutput.seekMap(SeekMap.UNSEEKABLE);
haveOutputSeekMap = true;
}
if (fragmentRun.sampleEncryptionDataNeedsFill) {
parserState = STATE_READING_ENCRYPTION_DATA;
} else {
parserState = STATE_READING_SAMPLE_START;
}
return true;
}
if (shouldParseContainerAtom(atomType)) {
long endPosition = input.getPosition() + atomSize - Atom.HEADER_SIZE;
containerAtoms.add(new ContainerAtom(atomType, endPosition));
enterReadingAtomHeaderState();
} else if (shouldParseLeafAtom(atomType)) {
// We don't support parsing of leaf atoms that define extended atom sizes, or that have
// lengths greater than Integer.MAX_VALUE.
checkState(atomHeaderBytesRead == Atom.HEADER_SIZE);
checkState(atomSize <= Integer.MAX_VALUE);
atomData = new ParsableByteArray((int) atomSize);
System.arraycopy(atomHeader.data, 0, atomData.data, 0, Atom.HEADER_SIZE);
parserState = STATE_READING_ATOM_PAYLOAD;
} else {
// We don't support skipping of atoms that have lengths greater than Integer.MAX_VALUE.
checkState(atomSize <= Integer.MAX_VALUE);
atomData = null;
parserState = STATE_READING_ATOM_PAYLOAD;
}
return true;
}
