@Test
@Ignore
public void testSeekKeyFrameCheckIndex() {
Global.setFFmpegLoggingLevel(52);
IContainer container = IContainer.make();
int retval = -1;
// final String
// INPUT_FILE="fixtures/"+this.getClass().getName()+"-testSeekKeyFrameCheckIndex.ogg";
// final int NUM_STREAMS=2;
// final ICodec.ID VID_CODEC=ICodec.ID.CODEC_ID_THEORA;
// final String INPUT_FILE="fixtures/testfile_h264_mp4a_tmcd.mov";
// final int NUM_STREAMS=3;
// final ICodec.ID VID_CODEC=ICodec.ID.CODEC_ID_H264;
final String INPUT_FILE = "fixtures/testfile.flv";
final int NUM_STREAMS = 2;
final ICodec.ID VID_CODEC = ICodec.ID.CODEC_ID_FLV1;
retval = container.open(INPUT_FILE, IContainer.Type.READ, null);
assertTrue("could not open file", retval >= 0);
// First, let's get all the key frames
final int numStreams = container.getNumStreams();
assertEquals(NUM_STREAMS, numStreams);
final int vidIndex = 0;
final IStream vidStream = container.getStream(vidIndex);
final IStreamCoder vidCoder = vidStream.getStreamCoder();
assertEquals(VID_CODEC, vidCoder.getCodecID());
vidCoder.delete();
vidStream.delete();
// now, loop through the entire file and record the index of EACH
// video key frame
final IPacket packet = IPacket.make();
final ArrayList<Long> offsets = new ArrayList<Long>(1024);
final ArrayList<Long> timestamps = new ArrayList<Long>(1024);
long numPackets = 0;
while (container.readNextPacket(packet) >= 0) {
// log.debug("Next: {}", container.getByteOffset());
if (packet.isComplete()) {
if (packet.getStreamIndex() != vidIndex) continue;
if (!packet.isKey()) continue;
// log.debug("Packet: {}", packet);
if (numPackets < 5) {
log.debug("First Packet: {}", packet);
}
++numPackets;
assertTrue(packet.getPosition() >= 0);
offsets.add(packet.getPosition());
timestamps.add(packet.getDts());
}
}
log.debug(
"Num Index Entries; container: {}; test: {}",
vidStream.getNumIndexEntries(),
offsets.size());
// retval = container.close();
// assertTrue("got negative retval: " + IError.errorNumberToType(retval), retval >= 0);
// retval = container.open(INPUT_FILE, IContainer.Type.READ, null);
// assertTrue("got negative retval: " + IError.errorNumberToType(retval), retval >= 0);
// move the seek head backwards
retval =
container.seekKeyFrame(
-1, Long.MIN_VALUE, 0, Long.MAX_VALUE, IContainer.SEEK_FLAG_BACKWARDS);
assertTrue("got negative retval: " + IError.errorNumberToType(retval), retval >= 0);
// now let's walk through that index and ensure we can seek to each key frame.
for (int i = 0; i < offsets.size(); i++) {
long index = offsets.get(i);
retval =
container.seekKeyFrame(
vidIndex,
index,
index,
index,
// 0);
IContainer.SEEK_FLAG_BYTE);
assertTrue("got negative retval: " + IError.errorNumberToType(retval), retval >= 0);
retval = container.readNextPacket(packet);
log.debug("{}", packet);
assertTrue("got negative retval: " + IError.errorNumberToType(retval), retval >= 0);
assertTrue(packet.isComplete());
// assertEquals(offsets.get(i).longValue(), packet.getPosition());
// assertEquals(timestamps.get(i).longValue(), packet.getDts());
assertTrue(packet.isKey());
}
container.close();
}
@Override
public String visit(IError e) throws IVisitor.VisitorException {
throw new VisitorException(
"Did not expect a Error token in an expression to be translated", e.pos());
}