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

Example 1 with EventMessage

use of com.google.android.exoplayer2.metadata.emsg.EventMessage 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 2 with EventMessage

use of com.google.android.exoplayer2.metadata.emsg.EventMessage 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));
}

Example 3 with EventMessage

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

the class EventLogger method printMetadata.

private void printMetadata(Metadata metadata, String prefix) {
    for (int i = 0; i < metadata.length(); i++) {
        Metadata.Entry entry = metadata.get(i);
        if (entry instanceof TextInformationFrame) {
            TextInformationFrame textInformationFrame = (TextInformationFrame) entry;
            Log.d(TAG, prefix + String.format("%s: value=%s", textInformationFrame.id, textInformationFrame.value));
        } else if (entry instanceof UrlLinkFrame) {
            UrlLinkFrame urlLinkFrame = (UrlLinkFrame) entry;
            Log.d(TAG, prefix + String.format("%s: url=%s", urlLinkFrame.id, urlLinkFrame.url));
        } else if (entry instanceof PrivFrame) {
            PrivFrame privFrame = (PrivFrame) entry;
            Log.d(TAG, prefix + String.format("%s: owner=%s", privFrame.id, privFrame.owner));
        } else if (entry instanceof GeobFrame) {
            GeobFrame geobFrame = (GeobFrame) entry;
            Log.d(TAG, prefix + String.format("%s: mimeType=%s, filename=%s, description=%s", geobFrame.id, geobFrame.mimeType, geobFrame.filename, geobFrame.description));
        } else if (entry instanceof ApicFrame) {
            ApicFrame apicFrame = (ApicFrame) entry;
            Log.d(TAG, prefix + String.format("%s: mimeType=%s, description=%s", apicFrame.id, apicFrame.mimeType, apicFrame.description));
        } else if (entry instanceof CommentFrame) {
            CommentFrame commentFrame = (CommentFrame) entry;
            Log.d(TAG, prefix + String.format("%s: language=%s, description=%s", commentFrame.id, commentFrame.language, commentFrame.description));
        } else if (entry instanceof Id3Frame) {
            Id3Frame id3Frame = (Id3Frame) entry;
            Log.d(TAG, prefix + String.format("%s", id3Frame.id));
        } else if (entry instanceof EventMessage) {
            EventMessage eventMessage = (EventMessage) entry;
            Log.d(TAG, prefix + String.format("EMSG: scheme=%s, id=%d, value=%s", eventMessage.schemeIdUri, eventMessage.id, eventMessage.value));
        }
    }
}