@Override
public int read(ByteBuffer buf) throws IOException {
ShortBuffer sbuf = buf.asShortBuffer();
int total = 0;
while (sbuf.hasRemaining() && _header != null) {
if (_buffer == null) {
try {
_buffer = (SampleBuffer) _decoder.decodeFrame(_header, _istream);
_istream.closeFrame();
_header = _istream.readFrame();
} catch (JavaLayerException e) {
throw new IOException(e.toString());
}
}
int blen = _buffer.getBufferLength(), length = Math.min(sbuf.remaining(), blen - _offset);
sbuf.put(_buffer.getBuffer(), _offset, length);
if ((_offset += length) >= blen) {
_offset = 0;
_buffer = null;
}
total += (length * 2);
}
buf.position(buf.position() + total);
return total;
}
@Override
public void init(InputStream in) throws IOException {
_istream = new Bitstream(in);
try {
_header = _istream.readFrame();
} catch (JavaLayerException e) {
throw new IOException(e.toString());
}
_decoder = new Decoder();
}