@Override
public void setRequestProperty(String name, String value) {
Assertions.checkNotNull(name);
Assertions.checkNotNull(value);
synchronized (requestProperties) {
requestProperties.put(name, value);
}
}
TrackSampleTable(long[] offsets, int[] sizes, long[] timestampsUs, int[] flags) {
Assertions.checkArgument(sizes.length == timestampsUs.length);
Assertions.checkArgument(offsets.length == timestampsUs.length);
Assertions.checkArgument(flags.length == timestampsUs.length);
this.offsets = offsets;
this.sizes = sizes;
this.timestampsUs = timestampsUs;
this.flags = flags;
sampleCount = offsets.length;
}
/**
* @param source A source from which samples containing subtitle data can be read.
* @param textRenderer The text renderer.
* @param textRendererLooper The looper associated with the thread on which textRenderer should be
* invoked. If the renderer makes use of standard Android UI components, then this should
* normally be the looper associated with the applications' main thread, which can be obtained
* using {@link android.app.Activity#getMainLooper()}. Null may be passed if the renderer
* should be invoked directly on the player's internal rendering thread.
* @param subtitleParsers An array of available subtitle parsers. Where multiple parsers are able
* to render a subtitle, the one with the lowest index will be preferred.
*/
public TextTrackRenderer(
SampleSource source,
TextRenderer textRenderer,
Looper textRendererLooper,
SubtitleParser... subtitleParsers) {
this.source = Assertions.checkNotNull(source);
this.textRenderer = Assertions.checkNotNull(textRenderer);
this.textRendererHandler =
textRendererLooper == null ? null : new Handler(textRendererLooper, this);
this.subtitleParsers = Assertions.checkNotNull(subtitleParsers);
formatHolder = new MediaFormatHolder();
}
/**
* @param client An {@link OkHttpClient} for use by the source.
* @param userAgent The User-Agent string that should be used.
* @param contentTypePredicate An optional {@link Predicate}. If a content type is rejected by the
* predicate then a {@link
* com.google.android.exoplayer.upstream.HttpDataSource.InvalidContentTypeException} is thrown
* from {@link #open(DataSpec)}.
* @param listener An optional listener.
* @param cacheControl An optional {@link CacheControl} which sets all requests' Cache-Control
* header. For example, you could force the network response for all requests.
*/
public OkHttpDataSource(
OkHttpClient client,
String userAgent,
Predicate<String> contentTypePredicate,
TransferListener listener,
CacheControl cacheControl) {
this.okHttpClient = Assertions.checkNotNull(client);
this.userAgent = Assertions.checkNotEmpty(userAgent);
this.contentTypePredicate = contentTypePredicate;
this.listener = listener;
this.cacheControl = cacheControl;
this.requestProperties = new HashMap<>();
}
@Override
public void enable(int track, long positionUs) {
Assertions.checkState(state == STATE_PREPARED);
Assertions.checkState(enabledTrackCount++ == 0);
state = STATE_ENABLED;
chunkSource.enable(track);
loadControl.register(this, bufferSizeContribution);
downstreamFormat = null;
downstreamMediaFormat = null;
downstreamPositionUs = positionUs;
lastSeekPositionUs = positionUs;
pendingDiscontinuity = false;
restartFrom(positionUs);
}
@Override
public void seekToUs(long positionUs) {
Assertions.checkState(state == STATE_ENABLED);
long currentPositionUs = isPendingReset() ? pendingResetPositionUs : downstreamPositionUs;
downstreamPositionUs = positionUs;
lastSeekPositionUs = positionUs;
if (currentPositionUs == positionUs) {
return;
}
// If we're not pending a reset, see if we can seek within the sample queue.
boolean seekInsideBuffer = !isPendingReset() && sampleQueue.skipToKeyframeBefore(positionUs);
if (seekInsideBuffer) {
// We succeeded. All we need to do is discard any chunks that we've moved past.
boolean haveSamples = !sampleQueue.isEmpty();
while (haveSamples
&& mediaChunks.size() > 1
&& mediaChunks.get(1).getFirstSampleIndex() <= sampleQueue.getReadIndex()) {
mediaChunks.removeFirst();
}
} else {
// We failed, and need to restart.
restartFrom(positionUs);
}
// Either way, we need to send a discontinuity to the downstream components.
pendingDiscontinuity = true;
}
@Override
public void clearRequestProperty(String name) {
Assertions.checkNotNull(name);
synchronized (requestProperties) {
requestProperties.remove(name);
}
}
@Override
public boolean continueBuffering(int track, long positionUs) {
Assertions.checkState(state == STATE_ENABLED);
downstreamPositionUs = positionUs;
chunkSource.continueBuffering(positionUs);
updateLoadControl();
return loadingFinished || !sampleQueue.isEmpty();
}
@Override
public void release() {
Assertions.checkState(state != STATE_ENABLED);
if (loader != null) {
loader.release();
loader = null;
}
state = STATE_IDLE;
}
/**
* Construct a {@link com.google.android.exoplayer.upstream.DataSpec}.
*
* @param uri {@link #uri}.
* @param absoluteStreamPosition {@link #absoluteStreamPosition}.
* @param length {@link #length}.
* @param key {@link #key}.
* @param position {@link #position}.
* @param uriIsFullStream {@link #uriIsFullStream}.
*/
public DataSpec(
Uri uri,
long absoluteStreamPosition,
long length,
String key,
long position,
boolean uriIsFullStream) {
Assertions.checkArgument(absoluteStreamPosition >= 0);
Assertions.checkArgument(position >= 0);
Assertions.checkArgument(length > 0 || length == LENGTH_UNBOUNDED);
Assertions.checkArgument(absoluteStreamPosition == position || !uriIsFullStream);
this.uri = uri;
this.uriIsFullStream = uriIsFullStream;
this.absoluteStreamPosition = absoluteStreamPosition;
this.position = position;
this.length = length;
this.key = key;
}
@Override
public int readData(
int track, long positionUs, MediaFormatHolder formatHolder, SampleHolder sampleHolder) {
Assertions.checkState(state == STATE_ENABLED);
downstreamPositionUs = positionUs;
if (pendingDiscontinuity || isPendingReset()) {
return NOTHING_READ;
}
boolean haveSamples = !sampleQueue.isEmpty();
BaseMediaChunk currentChunk = mediaChunks.getFirst();
while (haveSamples
&& mediaChunks.size() > 1
&& mediaChunks.get(1).getFirstSampleIndex() <= sampleQueue.getReadIndex()) {
mediaChunks.removeFirst();
currentChunk = mediaChunks.getFirst();
}
Format format = currentChunk.format;
if (!format.equals(downstreamFormat)) {
notifyDownstreamFormatChanged(format, currentChunk.trigger, currentChunk.startTimeUs);
}
downstreamFormat = format;
if (haveSamples || currentChunk.isMediaFormatFinal) {
MediaFormat mediaFormat = currentChunk.getMediaFormat();
if (!mediaFormat.equals(downstreamMediaFormat)) {
formatHolder.format = mediaFormat;
formatHolder.drmInitData = currentChunk.getDrmInitData();
downstreamMediaFormat = mediaFormat;
return FORMAT_READ;
}
// If mediaFormat and downstreamMediaFormat are equal but different objects then the equality
// check above will have been expensive, comparing the fields in each format. We update
// downstreamMediaFormat here so that referential equality can be cheaply established during
// subsequent calls.
downstreamMediaFormat = mediaFormat;
}
if (!haveSamples) {
if (loadingFinished) {
return END_OF_STREAM;
}
return NOTHING_READ;
}
if (sampleQueue.getSample(sampleHolder)) {
boolean decodeOnly = sampleHolder.timeUs < lastSeekPositionUs;
sampleHolder.flags |= decodeOnly ? C.SAMPLE_FLAG_DECODE_ONLY : 0;
onSampleRead(currentChunk, sampleHolder);
return SAMPLE_READ;
}
return NOTHING_READ;
}
@Override
public void disable(int track) {
Assertions.checkState(state == STATE_ENABLED);
Assertions.checkState(--enabledTrackCount == 0);
state = STATE_PREPARED;
try {
chunkSource.disable(mediaChunks);
} finally {
loadControl.unregister(this);
if (loader.isLoading()) {
loader.cancelLoading();
} else {
sampleQueue.clear();
mediaChunks.clear();
clearCurrentLoadable();
loadControl.trimAllocator();
}
}
}
final void enable(int i, long l, boolean flag) {
boolean flag1;
if (state == 1) {
flag1 = true;
} else {
flag1 = false;
}
Assertions.checkState(flag1);
state = 2;
onEnabled(i, l, flag);
}
final void stop() {
boolean flag;
if (state == 3) {
flag = true;
} else {
flag = false;
}
Assertions.checkState(flag);
state = 2;
onStopped();
}
final void disable() {
boolean flag;
if (state == 2) {
flag = true;
} else {
flag = false;
}
Assertions.checkState(flag);
state = 1;
onDisabled();
}
final void release() {
boolean flag;
if (state != 2 && state != 3 && state != -1) {
flag = true;
} else {
flag = false;
}
Assertions.checkState(flag);
state = -1;
onReleased();
}
final void start() {
boolean flag;
if (state == 2) {
flag = true;
} else {
flag = false;
}
Assertions.checkState(flag);
state = 3;
onStarted();
}
@Override
public DataSink open(DataSpec dataSpec) throws CacheDataSinkException {
// TODO: Support caching for unbounded requests. See TODO in {@link CacheDataSource} for
// more details.
Assertions.checkState(dataSpec.length != C.LENGTH_UNBOUNDED);
try {
this.dataSpec = dataSpec;
dataSpecBytesWritten = 0;
openNextOutputStream();
return this;
} catch (FileNotFoundException e) {
throw new CacheDataSinkException(e);
}
}
@Override
public long getBufferedPositionUs() {
Assertions.checkState(state == STATE_ENABLED);
if (isPendingReset()) {
return pendingResetPositionUs;
} else if (loadingFinished) {
return TrackRenderer.END_OF_TRACK_US;
} else {
long largestParsedTimestampUs = sampleQueue.getLargestParsedTimestampUs();
return largestParsedTimestampUs == Long.MIN_VALUE
? downstreamPositionUs
: largestParsedTimestampUs;
}
}
@Override
public boolean prepare(long positionUs) {
Assertions.checkState(state == STATE_INITIALIZED || state == STATE_PREPARED);
if (state == STATE_PREPARED) {
return true;
} else if (!chunkSource.prepare()) {
return false;
}
if (chunkSource.getTrackCount() > 0) {
loader = new Loader("Loader:" + chunkSource.getFormat(0).mimeType);
}
state = STATE_PREPARED;
return true;
}
/**
* @param userAgent The User-Agent string that should be used.
* @param contentTypePredicate An optional {@link Predicate}. If a content type is rejected by the
* predicate then a {@link HttpDataSource.InvalidContentTypeException} is thrown from {@link
* #open(DataSpec)}.
* @param listener An optional listener.
* @param connectTimeoutMillis The connection timeout, in milliseconds. A timeout of zero is
* interpreted as an infinite timeout. Pass {@link #DEFAULT_CONNECT_TIMEOUT_MILLIS} to use the
* default value.
* @param readTimeoutMillis The read timeout, in milliseconds. A timeout of zero is interpreted as
* an infinite timeout. Pass {@link #DEFAULT_READ_TIMEOUT_MILLIS} to use the default value.
* @param allowCrossProtocolRedirects Whether cross-protocol redirects (i.e. redirects from HTTP
* to HTTPS and vice versa) are enabled.
*/
public DefaultHttpDataSource(
String userAgent,
Predicate<String> contentTypePredicate,
TransferListener listener,
int connectTimeoutMillis,
int readTimeoutMillis,
boolean allowCrossProtocolRedirects) {
this.userAgent = Assertions.checkNotEmpty(userAgent);
this.contentTypePredicate = contentTypePredicate;
this.listener = listener;
this.requestProperties = new HashMap<>();
this.connectTimeoutMillis = connectTimeoutMillis;
this.readTimeoutMillis = readTimeoutMillis;
this.allowCrossProtocolRedirects = allowCrossProtocolRedirects;
}
public final DataSink open(DataSpec dataspec) {
if (dataspec.length == -1L) {
stream = new ByteArrayOutputStream();
return this;
}
boolean flag;
if (dataspec.length <= 0x7fffffffL) {
flag = true;
} else {
flag = false;
}
Assertions.checkArgument(flag);
stream = new ByteArrayOutputStream((int) dataspec.length);
return this;
}
final int prepare(long l) {
boolean flag;
if (state == 0) {
flag = true;
} else {
flag = false;
}
Assertions.checkState(flag);
int i;
if (doPrepare(l)) {
i = 1;
} else {
i = 0;
}
state = i;
return state;
}
/**
* Resumes loading.
*
* <p>If the {@link ChunkSource} returns a chunk equivalent to the backed off chunk B, then the
* loading of B will be resumed. In all other cases B will be discarded and the new chunk will be
* loaded.
*/
private void resumeFromBackOff() {
currentLoadableException = null;
Chunk backedOffChunk = currentLoadableHolder.chunk;
if (!isMediaChunk(backedOffChunk)) {
doChunkOperation();
discardUpstreamMediaChunks(currentLoadableHolder.queueSize);
if (currentLoadableHolder.chunk == backedOffChunk) {
// Chunk was unchanged. Resume loading.
loader.startLoading(backedOffChunk, this);
} else {
// Chunk was changed. Notify that the existing load was canceled.
notifyLoadCanceled(backedOffChunk.bytesLoaded());
// Start loading the replacement.
maybeStartLoading();
}
return;
}
if (backedOffChunk == mediaChunks.getFirst()) {
// We're not able to clear the first media chunk, so we have no choice but to continue
// loading it.
loader.startLoading(backedOffChunk, this);
return;
}
// The current loadable is the last media chunk. Remove it before we invoke the chunk source,
// and add it back again afterwards.
BaseMediaChunk removedChunk = mediaChunks.removeLast();
Assertions.checkState(backedOffChunk == removedChunk);
doChunkOperation();
mediaChunks.add(removedChunk);
if (currentLoadableHolder.chunk == backedOffChunk) {
// Chunk was unchanged. Resume loading.
loader.startLoading(backedOffChunk, this);
} else {
// Chunk was changed. Notify that the existing load was canceled.
notifyLoadCanceled(backedOffChunk.bytesLoaded());
// This call will remove and release at least one chunk from the end of mediaChunks. Since
// the current loadable is the last media chunk, it is guaranteed to be removed.
discardUpstreamMediaChunks(currentLoadableHolder.queueSize);
clearCurrentLoadableException();
maybeStartLoading();
}
}
private int getVariantIndexForBandwidth(long bitrateEstimate) {
if (bitrateEstimate == BandwidthMeter.NO_ESTIMATE) {
// Select the lowest quality.
bitrateEstimate = 0;
}
int effectiveBitrate = (int) (bitrateEstimate * BANDWIDTH_FRACTION);
int lowestQualityEnabledVariantIndex = -1;
for (int i = 0; i < variants.length; i++) {
if (variantBlacklistTimes[i] == 0) {
if (variants[i].format.bitrate <= effectiveBitrate) {
return i;
}
lowestQualityEnabledVariantIndex = i;
}
}
// At least one variant should always be enabled.
Assertions.checkState(lowestQualityEnabledVariantIndex != -1);
return lowestQualityEnabledVariantIndex;
}
@Override
public MediaFormat getFormat(int track) {
Assertions.checkState(prepared);
return sampleQueues.valueAt(track).getMediaFormat();
}
@Override
public int getTrackCount() {
Assertions.checkState(prepared);
return sampleQueues.size();
}
@Override
public boolean hasSamples(int track) {
Assertions.checkState(prepared);
return !sampleQueues.valueAt(track).isEmpty();
}
@Override
public void discardUntil(int track, long timeUs) {
Assertions.checkState(prepared);
sampleQueues.valueAt(track).discardUntil(timeUs);
}
@Override
public boolean getSample(int track, SampleHolder holder) {
Assertions.checkState(prepared);
return sampleQueues.valueAt(track).getSample(holder);
}