/**
* Open callbacks.
*
* @param is input stream
* @param initial initial bytes
* @param ibytes initial count
* @return success flag
* @throws JOrbisException if an error occurs
*/
int openCallbacks(InputStream is, byte[] initial, int ibytes) throws JOrbisException {
int ret;
datasource = is;
oy.init();
// perhaps some data was previously read into a buffer for testing
// against other stream types. Allow initialization from this
// previously read data (as we may be reading from a non-seekable
// stream)
if (initial != null) {
int index = oy.buffer(ibytes);
System.arraycopy(initial, 0, oy.data, index, ibytes);
oy.wrote(ibytes);
}
// can we seek? Stevens suggests the seek test was portable
if (is instanceof SeekableInputStream) {
ret = openSeekable();
} else {
ret = openNonseekable();
}
if (ret != 0) {
datasource = null;
clear();
}
return ret;
}
/** Initializes all the jOrbis and jOgg vars that are used for song playback. */
private void init_jorbis() {
oggSyncState_ = new SyncState();
oggStreamState_ = new StreamState();
oggPage_ = new Page();
oggPacket_ = new Packet();
vorbisInfo = new Info();
vorbisComment = new Comment();
vorbisDspState = new DspState();
vorbisBlock = new Block(vorbisDspState);
buffer = null;
bytes = 0;
oggSyncState_.init();
}
/*
* Taken from the JOrbis Player
*/
private void initJOrbis() {
oy = new SyncState();
os = new StreamState();
og = new Page();
op = new Packet();
vi = new Info();
vc = new Comment();
vd = new DspState();
vb = new Block(vd);
buffer = null;
bytes = 0;
oy.init();
}