package net.pterodactylus.sonitus.io;
+import java.io.EOFException;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
/* remember everything we read here. */
RememberingInputStream rememberingInputStream = new RememberingInputStream(inputStream);
- /* try Ogg Vorbis first. */
- Optional<Metadata> metadata = OggVorbisIdentifier.identify(rememberingInputStream);
- if (metadata.isPresent()) {
- return Optional.of(new IdentifyingInputStream(rememberingInputStream.remembered(), metadata.get()));
+ /* first, try formats with unambiguous layouts. */
+ try {
+ Optional<Metadata> metadata = FlacIdentifier.identify(rememberingInputStream);
+ if (metadata.isPresent()) {
+ return Optional.of(new IdentifyingInputStream(rememberingInputStream.remembered(), metadata.get()));
+ }
+ } catch (EOFException eofe1) {
+ /* ignore. */
}
- /* try MP3 now. */
- rememberingInputStream = new RememberingInputStream(rememberingInputStream.remembered());
- InputStream limitedInputStream = ByteStreams.limit(rememberingInputStream, 1048576);
- metadata = Mp3Identifier.identify(limitedInputStream);
- if (metadata.isPresent()) {
- return Optional.of(new IdentifyingInputStream(rememberingInputStream.remembered(), metadata.get()));
+ /* try Ogg Vorbis next. */
+ try {
+ rememberingInputStream = new RememberingInputStream(rememberingInputStream.remembered());
+ Optional<Metadata> metadata = OggVorbisIdentifier.identify(rememberingInputStream);
+ if (metadata.isPresent()) {
+ return Optional.of(new IdentifyingInputStream(rememberingInputStream.remembered(), metadata.get()));
+ }
+ } catch (EOFException eofe1) {
+ /* ignore. */
+ }
+
+ /* finally, try MP3. */
+ try {
+ rememberingInputStream = new RememberingInputStream(rememberingInputStream.remembered());
+ InputStream limitedInputStream = ByteStreams.limit(rememberingInputStream, 1048576);
+ Optional<Metadata> metadata = Mp3Identifier.identify(limitedInputStream);
+ if (metadata.isPresent()) {
+ return Optional.of(new IdentifyingInputStream(rememberingInputStream.remembered(), metadata.get()));
+ }
+ } catch (EOFException eofe1) {
+ /* ignore. */
}
return Optional.absent();