Examples with MetadataInputBuffer com.google.android.exoplayer2.metadata.MetadataInputBuffer used on opensource projects

Example 1 with MetadataInputBuffer

use of com.google.android.exoplayer2.metadata.MetadataInputBuffer in project ExoPlayer by google.

the class SpliceInfoDecoder method decode.

@Override
public Metadata decode(MetadataInputBuffer inputBuffer) throws MetadataDecoderException {
    // Internal timestamps adjustment.
    if (timestampAdjuster == null || inputBuffer.subsampleOffsetUs != timestampAdjuster.getTimestampOffsetUs()) {
        timestampAdjuster = new TimestampAdjuster(inputBuffer.timeUs);
        timestampAdjuster.adjustSampleTimestamp(inputBuffer.timeUs - inputBuffer.subsampleOffsetUs);
    }
    ByteBuffer buffer = inputBuffer.data;
    byte[] data = buffer.array();
    int size = buffer.limit();
    sectionData.reset(data, size);
    sectionHeader.reset(data, size);
    // table_id(8), section_syntax_indicator(1), private_indicator(1), reserved(2),
    // section_length(12), protocol_version(8), encrypted_packet(1), encryption_algorithm(6).
    sectionHeader.skipBits(39);
    long ptsAdjustment = sectionHeader.readBits(1);
    ptsAdjustment = (ptsAdjustment << 32) | sectionHeader.readBits(32);
    // cw_index(8), tier(12).
    sectionHeader.skipBits(20);
    int spliceCommandLength = sectionHeader.readBits(12);
    int spliceCommandType = sectionHeader.readBits(8);
    SpliceCommand command = null;
    // Go to the start of the command by skipping all fields up to command_type.
    sectionData.skipBytes(14);
    switch(spliceCommandType) {
        case TYPE_SPLICE_NULL:
            command = new SpliceNullCommand();
            break;
        case TYPE_SPLICE_SCHEDULE:
            command = SpliceScheduleCommand.parseFromSection(sectionData);
            break;
        case TYPE_SPLICE_INSERT:
            command = SpliceInsertCommand.parseFromSection(sectionData, ptsAdjustment, timestampAdjuster);
            break;
        case TYPE_TIME_SIGNAL:
            command = TimeSignalCommand.parseFromSection(sectionData, ptsAdjustment, timestampAdjuster);
            break;
        case TYPE_PRIVATE_COMMAND:
            command = PrivateCommand.parseFromSection(sectionData, spliceCommandLength, ptsAdjustment);
            break;
        default:
            // Do nothing.
            break;
    }
    return command == null ? new Metadata() : new Metadata(command);
}

Example 2 with MetadataInputBuffer

use of com.google.android.exoplayer2.metadata.MetadataInputBuffer in project ExoPlayer by google.

the class EventMessageDecoderTest method testDecodeEventMessage.

public void testDecodeEventMessage() {
    byte[] rawEmsgBody = new byte[] { // scheme_id_uri = "urn:test"
    117, // scheme_id_uri = "urn:test"
    114, // scheme_id_uri = "urn:test"
    110, // scheme_id_uri = "urn:test"
    58, // scheme_id_uri = "urn:test"
    116, // scheme_id_uri = "urn:test"
    101, // scheme_id_uri = "urn:test"
    115, // scheme_id_uri = "urn:test"
    116, // scheme_id_uri = "urn:test"
    0, // value = "123"
    49, // value = "123"
    50, // value = "123"
    51, // value = "123"
    0, // timescale = 48000
    0, // timescale = 48000
    0, // timescale = 48000
    -69, // timescale = 48000
    -128, // presentation_time_delta (ignored) = 0
    0, // presentation_time_delta (ignored) = 0
    0, // presentation_time_delta (ignored) = 0
    0, // presentation_time_delta (ignored) = 0
    0, // event_duration = 144000
    0, // event_duration = 144000
    2, // event_duration = 144000
    50, // event_duration = 144000
    -128, // id = 1000403
    0, // id = 1000403
    15, // id = 1000403
    67, // id = 1000403
    -45, 0, 1, 2, 3, // message_data = {0, 1, 2, 3, 4}
    4 };
    EventMessageDecoder decoder = new EventMessageDecoder();
    MetadataInputBuffer buffer = new MetadataInputBuffer();
    buffer.data = ByteBuffer.allocate(rawEmsgBody.length).put(rawEmsgBody);
    Metadata metadata = decoder.decode(buffer);
    assertEquals(1, metadata.length());
    EventMessage eventMessage = (EventMessage) metadata.get(0);
    assertEquals("urn:test", eventMessage.schemeIdUri);
    assertEquals("123", eventMessage.value);
    assertEquals(3000, eventMessage.durationMs);
    assertEquals(1000403, eventMessage.id);
    MoreAsserts.assertEquals(new byte[] { 0, 1, 2, 3, 4 }, eventMessage.messageData);
}

Example 3 with MetadataInputBuffer

use of com.google.android.exoplayer2.metadata.MetadataInputBuffer in project ExoPlayer by google.

the class SpliceInfoDecoderTest method setUp.

@Override
public void setUp() {
    decoder = new SpliceInfoDecoder();
    inputBuffer = new MetadataInputBuffer();
}

Example 4 with MetadataInputBuffer

use of com.google.android.exoplayer2.metadata.MetadataInputBuffer in project ExoPlayer by google.

the class EventMessageDecoder method decode.

@Override
public Metadata decode(MetadataInputBuffer inputBuffer) {
    ByteBuffer buffer = inputBuffer.data;
    byte[] data = buffer.array();
    int size = buffer.limit();
    ParsableByteArray emsgData = new ParsableByteArray(data, size);
    String schemeIdUri = emsgData.readNullTerminatedString();
    String value = emsgData.readNullTerminatedString();
    long timescale = emsgData.readUnsignedInt();
    // presentation_time_delta
    emsgData.skipBytes(4);
    long durationMs = (emsgData.readUnsignedInt() * 1000) / timescale;
    long id = emsgData.readUnsignedInt();
    byte[] messageData = Arrays.copyOfRange(data, emsgData.getPosition(), size);
    return new Metadata(new EventMessage(schemeIdUri, value, durationMs, id, messageData));
}