public void open(Metadata metadata) throws IOException {
checkNotNull(metadata, "metadata must not be null");
checkArgument(metadata.encoding().equalsIgnoreCase("Vorbis"), "source must be Vorbis-encoded");
public void open(Metadata metadata) throws IOException {
checkNotNull(metadata, "metadata must not be null");
checkArgument(metadata.encoding().equalsIgnoreCase("Vorbis"), "source must be Vorbis-encoded");