Java 类com.google.android.exoplayer2.metadata.MetadataInputBuffer 实例源码

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

@Override
public Metadata decode(MetadataInputBuffer inputBuffer) {
  ByteBuffer buffer = inputBuffer.data;
  return decode(buffer.array(), buffer.limit());
}

@Override
public Metadata decode(MetadataInputBuffer inputBuffer) {
  ByteBuffer buffer = inputBuffer.data;
  return decode(buffer.array(), buffer.limit());
}

@Override
public Metadata decode(MetadataInputBuffer inputBuffer) {
  ByteBuffer buffer = inputBuffer.data;
  return decode(buffer.array(), buffer.limit());
}

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