@Override public long seekToUs(long positionUs) { for (ChunkSampleStream<DashChunkSource> sampleStream : sampleStreams) { sampleStream.seekToUs(positionUs); } for (EventSampleStream sampleStream : eventSampleStreams) { sampleStream.seekToUs(positionUs); } return positionUs; }
public void updateEventStream(EventStream eventStream, boolean eventStreamAppendable) { long lastReadPositionUs = currentIndex == 0 ? C.TIME_UNSET : eventTimesUs[currentIndex - 1]; this.eventStreamAppendable = eventStreamAppendable; this.eventStream = eventStream; this.eventTimesUs = eventStream.presentationTimesUs; if (pendingSeekPositionUs != C.TIME_UNSET) { seekToUs(pendingSeekPositionUs); } else if (lastReadPositionUs != C.TIME_UNSET) { currentIndex = Util.binarySearchCeil( eventTimesUs, lastReadPositionUs, /* inclusive= */ false, /* stayInBounds= */ false); } }
/** * Tests that {@link EventSampleStream#seekToUs(long)} (long)} will seek to the given position, * and the next {@link EventSampleStream#readData(FormatHolder, DecoderInputBuffer, boolean)} call * will return sample data from that position. */ @Test public void testSeekToUsThenReadDataReturnDataFromSeekPosition() { long presentationTimeUs1 = 1000000; long presentationTimeUs2 = 2000000; EventMessage eventMessage1 = newEventMessageWithIdAndTime(1, presentationTimeUs1); EventMessage eventMessage2 = newEventMessageWithIdAndTime(2, presentationTimeUs2); EventStream eventStream = new EventStream(SCHEME_ID, VALUE, TIME_SCALE, new long[] {presentationTimeUs1, presentationTimeUs2}, new EventMessage[] {eventMessage1, eventMessage2}); EventSampleStream sampleStream = new EventSampleStream(eventStream, FORMAT, false); // first read - read format readData(sampleStream); sampleStream.seekToUs(presentationTimeUs2); int result = readData(sampleStream); assertThat(result).isEqualTo(C.RESULT_BUFFER_READ); assertThat(inputBuffer.data.array()) .isEqualTo(getEncodedMessage(eventMessage2)); }
/** * Tests that {@link EventSampleStream#updateEventStream(EventStream, boolean)} will update the * underlying event stream, but keep the timestamp the stream has seek to, so the next * {@link EventSampleStream#readData(FormatHolder, DecoderInputBuffer, boolean)} call * will return sample data from the seek position. */ @Test public void testSeekToUsThenUpdateStreamContinueToReadFromSeekPosition() { long presentationTimeUs1 = 1000000; long presentationTimeUs2 = 2000000; long presentationTimeUs3 = 3000000; EventMessage eventMessage1 = newEventMessageWithIdAndTime(1, presentationTimeUs1); EventMessage eventMessage2 = newEventMessageWithIdAndTime(2, presentationTimeUs2); EventMessage eventMessage3 = newEventMessageWithIdAndTime(3, presentationTimeUs3); EventStream eventStream1 = new EventStream(SCHEME_ID, VALUE, TIME_SCALE, new long[] {presentationTimeUs1, presentationTimeUs2}, new EventMessage[] {eventMessage1, eventMessage2}); EventStream eventStream2 = new EventStream(SCHEME_ID, VALUE, TIME_SCALE, new long[] {presentationTimeUs1, presentationTimeUs2, presentationTimeUs3}, new EventMessage[] {eventMessage1, eventMessage2, eventMessage3}); EventSampleStream sampleStream = new EventSampleStream(eventStream1, FORMAT, true); // first read - read format readData(sampleStream); sampleStream.seekToUs(presentationTimeUs2); sampleStream.updateEventStream(eventStream2, true); int result = readData(sampleStream); assertThat(result).isEqualTo(C.RESULT_BUFFER_READ); assertThat(inputBuffer.data.array()) .isEqualTo(getEncodedMessage(eventMessage2)); }
/** * Tests that {@link EventSampleStream#updateEventStream(EventStream, boolean)} will update the * underlying event stream, but keep the timestamp the stream has seek to, so the next * {@link EventSampleStream#readData(FormatHolder, DecoderInputBuffer, boolean)} call * will return sample data from the seek position. */ @Test public void testSeekToThenUpdateStreamContinueToReadFromSeekPositionEvenSeekMoreThanAvailable() { long presentationTimeUs1 = 1000000; long presentationTimeUs2 = 2000000; long presentationTimeUs3 = 3000000; EventMessage eventMessage1 = newEventMessageWithIdAndTime(1, presentationTimeUs1); EventMessage eventMessage2 = newEventMessageWithIdAndTime(2, presentationTimeUs2); EventMessage eventMessage3 = newEventMessageWithIdAndTime(3, presentationTimeUs3); EventStream eventStream1 = new EventStream(SCHEME_ID, VALUE, TIME_SCALE, new long[] {presentationTimeUs1}, new EventMessage[] {eventMessage1}); EventStream eventStream2 = new EventStream(SCHEME_ID, VALUE, TIME_SCALE, new long[] {presentationTimeUs1, presentationTimeUs2, presentationTimeUs3}, new EventMessage[] {eventMessage1, eventMessage2, eventMessage3}); EventSampleStream sampleStream = new EventSampleStream(eventStream1, FORMAT, true); // first read - read format readData(sampleStream); sampleStream.seekToUs(presentationTimeUs2 + 1); sampleStream.updateEventStream(eventStream2, true); int result = readData(sampleStream); assertThat(result).isEqualTo(C.RESULT_BUFFER_READ); assertThat(inputBuffer.data.array()) .isEqualTo(getEncodedMessage(eventMessage3)); }