Examples with KlvDecoder org.codice.ddf.libs.klv.KlvDecoder used on opensource projects

Example 6 with KlvDecoder

use of org.codice.ddf.libs.klv.KlvDecoder in project alliance by codice.

the class MetadataPacketTest method testThatPesHeadersWithOptionalFieldsAreHandled.

/**
 * The binary data in this test was captured from a data stream where the PES header contains an
 * optional timestamp.
 */
@Test
public void testThatPesHeadersWithOptionalFieldsAreHandled() throws KlvDecodingException {
    byte[] packet = new byte[] { 0x00, 0x00, 0x01, (byte) 0xbd, 0x01, 0x08, (byte) 0x84, (byte) 0x80, 0x05, 0x21, 0x00, 0x09, 0x41, (byte) 0xd9, 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x0b, 0x01, 0x01, 0x0e, 0x01, 0x03, 0x01, 0x01, 0x00, 0x00, 0x00, (byte) 0x82, 0x00, (byte) 0xed, 0x02, 0x08, 0x00, 0x04, (byte) 0xe4, (byte) 0xea, (byte) 0xad, 0x53, (byte) 0xfb, 0x48, 0x03, 0x05, 0x30, 0x30, 0x30, 0x30, 0x31, 0x04, 0x03, 0x30, 0x30, 0x31, 0x05, 0x02, 0x5a, (byte) 0xb6, 0x06, 0x02, 0x00, 0x00, 0x07, 0x02, 0x00, 0x00, 0x0a, 0x08, 0x56, 0x52, 0x53, 0x47, 0x20, 0x35, 0x2e, 0x36, 0x0b, 0x18, 0x56, 0x52, 0x53, 0x47, 0x20, 0x56, 0x35, 0x2e, 0x36, 0x2e, 0x37, 0x32, 0x20, 0x41, 0x70, 0x72, 0x20, 0x20, 0x37, 0x20, 0x32, 0x30, 0x31, 0x31, 0x0c, 0x0e, 0x47, 0x65, 0x6f, 0x64, 0x65, 0x74, 0x69, 0x63, 0x20, 0x57, 0x47, 0x53, 0x38, 0x34, 0x0d, 0x04, 0x30, (byte) 0xf7, 0x04, (byte) 0xea, 0x0e, 0x04, 0x31, 0x2d, (byte) 0xb4, 0x76, 0x0f, 0x02, 0x3f, 0x08, 0x10, 0x02, 0x03, (byte) 0x89, 0x11, 0x02, 0x02, (byte) 0xa7, 0x12, 0x04, 0x06, (byte) 0xfd, 0x6b, (byte) 0xff, 0x13, 0x04, (byte) 0xd7, (byte) 0xc3, 0x3c, (byte) 0xce, 0x14, 0x04, 0x00, 0x00, 0x00, 0x00, 0x15, 0x04, 0x00, 0x21, (byte) 0xac, 0x7e, 0x16, 0x02, 0x02, (byte) 0xdb, 0x17, 0x04, 0x30, (byte) 0xf3, (byte) 0x98, 0x3a, 0x18, 0x04, 0x31, 0x2f, (byte) 0x99, 0x59, 0x19, 0x02, 0x23, 0x72, 0x1a, 0x02, (byte) 0xff, (byte) 0xfe, 0x1b, 0x02, 0x01, 0x6e, 0x1c, 0x02, (byte) 0xfe, (byte) 0xc7, 0x1d, 0x02, (byte) 0xff, (byte) 0xee, 0x1e, 0x02, (byte) 0xff, (byte) 0xf8, 0x1f, 0x02, (byte) 0xfe, (byte) 0xa6, 0x20, 0x02, 0x01, 0x22, 0x21, 0x02, 0x00, 0x22, 0x30, 0x20, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x03, 0x04, 0x2f, 0x2f, 0x55, 0x53, 0x06, 0x05, 0x43, 0x41, 0x20, 0x55, 0x53, 0x0c, 0x01, 0x01, 0x0d, 0x04, 0x2f, 0x2f, 0x55, 0x53, 0x16, 0x02, 0x00, 0x07, 0x41, 0x01, 0x01, 0x48, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, (byte) 0xb7, (byte) 0x8d };
    final MPSDemuxer.PESPacket pesHeader = MPSUtils.readPESHeader(ByteBuffer.wrap(packet), 0);
    AsynchronousMetadataPacket asynchronousMetadataPacket = new AsynchronousMetadataPacket(packet, pesHeader, new KlvDecoder(Stanag4609TransportStreamParser.UAS_DATALINK_LOCAL_SET_CONTEXT));
    DecodedKLVMetadataPacket p = asynchronousMetadataPacket.decodeKLV();
    assertThat(p, notNullValue());
    KlvLocalSet e = (KlvLocalSet) p.getDecodedKLV().getDataElementByName(Stanag4609TransportStreamParser.UAS_DATALINK_LOCAL_SET);
    KlvDataElement timestamp = e.getValue().getDataElementByName(Stanag4609TransportStreamParser.TIMESTAMP);
    assertThat(timestamp.getValue(), is(1377596488285000L));
}

Example 7 with KlvDecoder

use of org.codice.ddf.libs.klv.KlvDecoder in project alliance by codice.

the class KlvUtilities method decodeKLV.

private static KlvContext decodeKLV(final Klv.KeyLength keyLength, final Klv.LengthEncoding lengthEncoding, final KlvDataElement dataElement, final byte[] encodedBytes) throws KlvDecodingException {
    final KlvContext klvContext = new KlvContext(keyLength, lengthEncoding);
    klvContext.addDataElement(dataElement);
    return new KlvDecoder(klvContext).decode(encodedBytes);
}

Example 8 with KlvDecoder

use of org.codice.ddf.libs.klv.KlvDecoder in project alliance by codice.

the class MetadataPacketTest method testSynchronousMetadataPacket.

@Test
public void testSynchronousMetadataPacket() throws Exception {
    final byte[] pesPacketBytes = new byte[] { 0x00, 0x00, 0x01, (byte) 0xFC, 0x00, 0x22, (byte) 0x85, (byte) 0x80, 0x05, 0x27, 0x19, 0x2B, 0x33, (byte) 0x91, 0x01, 0x01, 0x01, 0x00, 0x15, 0x06, 0x0E, 0x2B, 0x34, 0x02, 0x0B, 0x01, 0x01, 0x0E, 0x01, 0x03, 0x01, 0x01, 0x00, 0x00, 0x00, 0x04, 0x01, 0x02, 0x4C, 0x51 };
    final SynchronousMetadataPacket packet = new SynchronousMetadataPacket(pesPacketBytes, MPSUtils.readPESHeader(ByteBuffer.wrap(pesPacketBytes), 0), new KlvDecoder(Stanag4609TransportStreamParser.UAS_DATALINK_LOCAL_SET_CONTEXT));
    final DecodedKLVMetadataPacket decodedPacket = packet.decodeKLV();
    verifyDecodedKLV(decodedPacket);
    final long presentationTimestamp = 3326777800L;
    assertThat(decodedPacket.getPresentationTimestamp(), is(presentationTimestamp));
}