Program: 61648
Project: 61648
Buggy source:
public void exportSound(OutputStream fos,SoundTag st,SoundExportMode mode) throws IOException {
  SoundFormat fmt=st.getSoundFormat();
  int nativeFormat=fmt.getNativeExportFormat();
  if (nativeFormat == SoundFormat.EXPORT_MP3 && mode.hasMP3()) {
    fos.write(st.getRawSoundData());
  }
 else   if ((nativeFormat == SoundFormat.EXPORT_FLV && mode.hasFlv()) || mode == SoundExportMode.FLV) {
    if (st instanceof DefineSoundTag) {
      FLVOutputStream flv=new FLVOutputStream(fos);
      flv.writeHeader(true,false);
      flv.writeTag(new FLVTAG(0,new AUDIODATA(st.getSoundFormatId(),st.getSoundRate(),st.getSoundSize(),st.getSoundType(),st.getRawSoundData())));
    }
 else     if (st instanceof SoundStreamHeadTypeTag) {
      SoundStreamHeadTypeTag sh=(SoundStreamHeadTypeTag)st;
      FLVOutputStream flv=new FLVOutputStream(fos);
      flv.writeHeader(true,false);
      List<SoundStreamBlockTag> blocks=sh.getBlocks();
      int ms=(int)(1000.0f / ((float)((Tag)st).getSwf().frameRate));
      for (int b=0; b < blocks.size(); b++) {
        byte[] data=blocks.get(b).streamSoundData;
        if (st.getSoundFormatId() == 2) {
          data=Arrays.copyOfRange(data,4,data.length);
        }
        flv.writeTag(new FLVTAG(ms * b,new AUDIODATA(st.getSoundFormatId(),st.getSoundRate(),st.getSoundSize(),st.getSoundType(),data)));
      }
    }
  }
 else {
    byte[] soundData=st.getRawSoundData();
    SWF swf=((Tag)st).getSwf();
    fmt.createWav(new SWFInputStream(swf,soundData),fos);
  }
}

Fixed version (ground truth):
public void exportSound(OutputStream fos,SoundTag st,SoundExportMode mode) throws IOException {
  SoundFormat fmt=st.getSoundFormat();
  int nativeFormat=fmt.getNativeExportFormat();
  if (nativeFormat == SoundFormat.EXPORT_MP3 && mode.hasMP3()) {
    List<byte[]> datas=st.getRawSoundData();
    for (    byte[] data : datas) {
      fos.write(data);
    }
  }
 else   if ((nativeFormat == SoundFormat.EXPORT_FLV && mode.hasFlv()) || mode == SoundExportMode.FLV) {
    if (st instanceof DefineSoundTag) {
      FLVOutputStream flv=new FLVOutputStream(fos);
      flv.writeHeader(true,false);
      List<byte[]> datas=st.getRawSoundData();
      for (      byte[] data : datas) {
        flv.writeTag(new FLVTAG(0,new AUDIODATA(st.getSoundFormatId(),st.getSoundRate(),st.getSoundSize(),st.getSoundType(),data)));
      }
    }
 else     if (st instanceof SoundStreamHeadTypeTag) {
      SoundStreamHeadTypeTag sh=(SoundStreamHeadTypeTag)st;
      FLVOutputStream flv=new FLVOutputStream(fos);
      flv.writeHeader(true,false);
      List<SoundStreamBlockTag> blocks=sh.getBlocks();
      int ms=(int)(1000.0f / ((float)((Tag)st).getSwf().frameRate));
      for (int b=0; b < blocks.size(); b++) {
        byte[] data=blocks.get(b).streamSoundData;
        if (st.getSoundFormatId() == 2) {
          data=Arrays.copyOfRange(data,4,data.length);
        }
        flv.writeTag(new FLVTAG(ms * b,new AUDIODATA(st.getSoundFormatId(),st.getSoundRate(),st.getSoundSize(),st.getSoundType(),data)));
      }
    }
  }
 else {
    List<byte[]> soundData=st.getRawSoundData();
    SWF swf=((Tag)st).getSwf();
    List<SWFInputStream> siss=new ArrayList<>();
    for (    byte[] data : soundData) {
      siss.add(new SWFInputStream(swf,data));
    }
    fmt.createWav(siss,fos);
  }
}