!7

lib 1400511 // VorbisJava (to unpack ogg file)
lib 1400502 // Concentus 1.0 (to decode OPUS audio in ogg file)

import org.concentus.*;

cm TestConcentus > DynSingleFunctionWithPrintLog {
  S oggSnippetID = #1400517;
  
  @Override void doIt() ctex {
    OpusDecoder decoder = new(48000, 1); // decode mono
    
    File f = loadLibrary(#1400517);
    temp OpusFile opusFile = new(f);
    
    short[] pcm = new[5760]; // max opus frame size (mono)
    
    while ((data = f.getNextAudioPacket()) != null) {
      byte[] bytes = data.getData();
      if (empty(bytes)) continue;
      print("Got compressed audio data: " + l(bytes));
      
      int samples = decoder.decode(bytes, 0, l(bytes), pcm, 0, l(pcm), false);
      print("Got " + nSamples(samples));
    }
  }
}

lib 1400513 // opus-jni-1.0.0.jar 

import org.gagravarr.opus.*;
import net.labymod.opus.*;

fixContextClassLoader();
//OpusCodec.setupWithTemporaryFolder();
OpusCodec.loadNativesFromJar();
OpusCodec codec = OpusCodec.createDefault();


OpusAudioData data;
while ((data = f.getNextAudioPacket()) != null) pcall {
  byte[] bytes = data.getData();
  if (empty(bytes)) continue;
  print("Got audio data: " + l(bytes));
  //print("frames: " + data.getNumberOfFrames() + " frames");
  byte[] decoded = codec.decodeFrame(bytes);
  print("Decoded: " + l(decoded));
}