Sameer Zinzuwadia
Sameer Zinzuwadia

Reputation: 3285

Android radio with song title

I am making the radio app.I have using the android media for playing radio working fine. Can possible to know song title? I have play same url in vlc player on desktop it show me the song title. If there is anyway then please help me.

I also want to implement in 2.1

Thank you.

Upvotes: 2

Views: 2327

Answers (2)

Sameer Zinzuwadia
Sameer Zinzuwadia

Reputation: 3285

I have the solution for 2.2

protected URL streamUrl;
private Map<String, String> metadata;
private boolean isError;

public IcyStreamMeta(URL streamUrl) {
    setStreamUrl(streamUrl);

    isError = false;
}

/**
 * Get artist using stream's title
 *
 * @return String
 * @throws IOException
 */
public String getArtist() throws IOException {
    Map<String, String> data = getMetadata();

    if (!data.containsKey("StreamTitle"))
        return "";

    String streamTitle = data.get("StreamTitle");
    String title = streamTitle.substring(0, streamTitle.indexOf("-"));
    return title.trim();
}

/**
 * Get title using stream's title
 *
 * @return String
 * @throws IOException
 */
public String getTitle() throws IOException {
    Map<String, String> data = getMetadata();

    if (!data.containsKey("StreamTitle"))
        return "";

    String streamTitle = data.get("StreamTitle");
    String artist = streamTitle.substring(streamTitle.indexOf("-")+1);
    return artist.trim();
}

public Map<String, String> getMetadata() throws IOException {
    if (metadata == null) {
        refreshMeta();
    }

    return metadata;
}

public void refreshMeta() throws IOException {
    retreiveMetadata();
}

private void retreiveMetadata() throws IOException {
    URLConnection con = streamUrl.openConnection();
    con.setRequestProperty("Icy-MetaData", "1");
    con.setRequestProperty("Connection", "close");
    con.setRequestProperty("Accept", null);
    con.connect();

    int metaDataOffset = 0;
    Map<String, List<String>> headers = con.getHeaderFields();
    InputStream stream = con.getInputStream();

    if (headers.containsKey("icy-metaint")) {
        // Headers are sent via HTTP
        metaDataOffset = Integer.parseInt(headers.get("icy-metaint").get(0));
    } else {
        // Headers are sent within a stream
        StringBuilder strHeaders = new StringBuilder();
        char c;
        while ((c = (char)stream.read()) != -1) {
            strHeaders.append(c);
            if (strHeaders.length() > 5 && (strHeaders.substring((strHeaders.length() - 4), strHeaders.length()).equals("\r\n\r\n"))) {
                // end of headers
                break;
            }
        }

        // Match headers to get metadata offset within a stream
        Pattern p = Pattern.compile("\\r\\n(icy-metaint):\\s*(.*)\\r\\n");
        Matcher m = p.matcher(strHeaders.toString());
        if (m.find()) {
            metaDataOffset = Integer.parseInt(m.group(2));
        }
    }

    // In case no data was sent
    if (metaDataOffset == 0) {
        isError = true;
        return;
    }

    // Read metadata
    int b;
    int count = 0;
    int metaDataLength = 4080; // 4080 is the max length
    boolean inData = false;
    StringBuilder metaData = new StringBuilder();
    // Stream position should be either at the beginning or right after headers
    while ((b = stream.read()) != -1) {
        count++;

        // Length of the metadata
        if (count == metaDataOffset + 1) {
            metaDataLength = b * 16;
        }

        if (count > metaDataOffset + 1 && count < (metaDataOffset + metaDataLength)) {              
            inData = true;
        } else {                
            inData = false;             
        }               
        if (inData) {               
            if (b != 0) {                   
                metaData.append((char)b);               
            }           
        }               
        if (count > (metaDataOffset + metaDataLength)) {
            break;
        }

    }

    // Set the data
    metadata = IcyStreamMeta.parseMetadata(metaData.toString());

    // Close
    stream.close();
}

public boolean isError() {
    return isError;
}

public URL getStreamUrl() {
    return streamUrl;
}

public void setStreamUrl(URL streamUrl) {
    this.metadata = null;
    this.streamUrl = streamUrl;
    this.isError = false;
}

public static Map<String, String> parseMetadata(String metaString) {
    Map<String, String> metadata = new HashMap();
    String[] metaParts = metaString.split(";");
    Pattern p = Pattern.compile("^([a-zA-Z]+)=\\'([^\\']*)\\'$");
    Matcher m;
    for (int i = 0; i < metaParts.length; i++) {
        m = p.matcher(metaParts[i]);
        if (m.find()) {
            metadata.put((String)m.group(1), (String)m.group(2));
        }
    }

    return metadata;
}

Using the thread

public void startThread(){

    timer = new Timer();
    timer.schedule(new TimerTask() {
        public void run() {

            URL url;
            Message msg = handler.obtainMessage();
            try {
                url = new URL(URL);
                  IcyStreamMeta icy = new IcyStreamMeta(url);

                    Log.d("SONG",icy.getTitle());
                  msg.obj = icy.getTitle();

                Log.d("ARTITSi",icy.getArtist());
                handler.sendMessage(msg);
            } catch (MalformedURLException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    }, 0, 10000);

} 

Upvotes: 1

Kurtis Nusbaum
Kurtis Nusbaum

Reputation: 30845

You'd use the MetaDataRetriever class for this. If you want the song title you'd use the METADATA_KEY_TITLE key. So for instance, you could write some code like this:

MetadataRetriever myRetriever = new MetadataRetriever();
myRetriever.setDataSource(/*specify you data source here*/);
String songName = myRetriever.extractMetadata(MetadataRetriever.METADATA_KEY_TITLE);

If you're developing for less than API level 10, you're going to have to use something else to get the metadata. The MyID3 library will probably do the trick in this case.

Upvotes: 2

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