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DALSONG PLAYER

CHOI HEE SUNG

KANGWON NATIONAL UNIVERSITYCOMPUTER ENGNEERING

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DalSong• Multi-platform Java mp3 player• Synchronized Song lyrics• Use Alsong lyrics server

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Alsong is the best mp3 player!!

Why??1,000,000 Song Lyrics Synchronizations

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What about Linux Users??

ALTERNATIVE PLAYER• Amarok• Rhythmbox

Inconvenience : You must install add-on script program

Insufficient : It doesn’t have enough Korean lyrics as many as Alsong has

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DalSong can provide

Synchronized song lyrics on your Linux

Desktop!

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DalSong BodyDalSong Body

Architecture

AlsongLyric Server

(SOAP)

AlsongLyric Server

(SOAP)

jLayer1.0(MP3 library)jLayer1.0(MP3 library)

Play ListPlay List

Lyric Windo

w

Lyric Windo

w

Entagged Audio Tag library

Entagged Audio Tag library

JDOMJDOM

SOAPClient4XGSOAPClient4XG

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Structure of MP3

ID3 TAG

V1.0 V1.1 V2.0

We need the first audio frame(163840byte)

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Request packet

POST /alsongwebservice/service1.asmx HTTP/1.1Host: lyrics.alsong.co.krUser-Agent: gSOAP/2.7Content-Type: application/soap+xml; charset=utf-8Content-Length: 699Connection: closeSOAPAction: "ALSongWebServer/GetLyric5“<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://www.w3.org/2003/05/soap-envelope" xmlns:SOAP-ENC="http://www.w3.org/2003/05/soap-encoding" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:ns2="ALSongWebServer/Service1Soap" xmlns:ns1="ALSongWebServer" xmlns:ns3="ALSongWebServer/Service1Soap12"> <?xml version="1.0" encoding="UTF-8"?>  <SOAP-ENV:Body>    <ns1:GetLyric5>    <ns1:stQuery>   

<ns1:strChecksum>45c0c42832c579505401c31d0984e551</ns1:strChecksum>    <ns1:strVersion>1.93</ns1:strVersion>    <ns1:strMACAddress>00ff667f9a08</ns1:strMACAddress>    <ns1:strIPAddress>xxx.xxx.xxx.xxx</ns1:strIPAddress>    </ns1:stQuery>    </ns1:GetLyric5>  </SOAP-ENV:Body></SOAP-ENV:Envelope>

POST /alsongwebservice/service1.asmx HTTP/1.1Host: lyrics.alsong.co.krUser-Agent: gSOAP/2.7Content-Type: application/soap+xml; charset=utf-8Content-Length: 699Connection: closeSOAPAction: "ALSongWebServer/GetLyric5“<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://www.w3.org/2003/05/soap-envelope" xmlns:SOAP-ENC="http://www.w3.org/2003/05/soap-encoding" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:ns2="ALSongWebServer/Service1Soap" xmlns:ns1="ALSongWebServer" xmlns:ns3="ALSongWebServer/Service1Soap12"> <?xml version="1.0" encoding="UTF-8"?>  <SOAP-ENV:Body>    <ns1:GetLyric5>    <ns1:stQuery>   

<ns1:strChecksum>45c0c42832c579505401c31d0984e551</ns1:strChecksum>    <ns1:strVersion>1.93</ns1:strVersion>    <ns1:strMACAddress>00ff667f9a08</ns1:strMACAddress>    <ns1:strIPAddress>xxx.xxx.xxx.xxx</ns1:strIPAddress>    </ns1:stQuery>    </ns1:GetLyric5>  </SOAP-ENV:Body></SOAP-ENV:Envelope>

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Response packet

<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body> <GetLyric5Response xmlns="ALSongWebServer"> <GetLyric5Result> <strStatusID>1</strStatusID> <strInfoID>2194425</strInfoID> <strRegistDate>2008-04-06 21:10:07.000</strRegistDate> <strTitle> 다시 내곁으로 (duet with 손호영 )</strTitle> <strArtist>As One( 에즈원 )</strArtist> <strAlbum> 우리가 알고 있는 사랑이야기 </strAlbum> <strCountGood>0</strCountGood> <strCountBad>0</strCountBad>

<strLyric>...... 가사 ......</strLyric> <strRegisterFirstName> 첫번째등록자명 </strRegisterFirstName> <strRegisterFirstEMail /> <strRegisterFirstURL>www.altools.co.kr</strRegisterFirstURL> <strRegisterFirstPhone /> <strRegisterFirstComment /> <strRegisterName>123</strRegisterName> <strRegisterEMail /> <strRegisterURL /> <strRegisterPhone /> <strRegisterComment /> </GetLyric5Result> </GetLyric5Response> </soap:Body></soap:Envelope>

<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body> <GetLyric5Response xmlns="ALSongWebServer"> <GetLyric5Result> <strStatusID>1</strStatusID> <strInfoID>2194425</strInfoID> <strRegistDate>2008-04-06 21:10:07.000</strRegistDate> <strTitle> 다시 내곁으로 (duet with 손호영 )</strTitle> <strArtist>As One( 에즈원 )</strArtist> <strAlbum> 우리가 알고 있는 사랑이야기 </strAlbum> <strCountGood>0</strCountGood> <strCountBad>0</strCountBad>

<strLyric>...... 가사 ......</strLyric> <strRegisterFirstName> 첫번째등록자명 </strRegisterFirstName> <strRegisterFirstEMail /> <strRegisterFirstURL>www.altools.co.kr</strRegisterFirstURL> <strRegisterFirstPhone /> <strRegisterFirstComment /> <strRegisterName>123</strRegisterName> <strRegisterEMail /> <strRegisterURL /> <strRegisterPhone /> <strRegisterComment /> </GetLyric5Result> </GetLyric5Response> </soap:Body></soap:Envelope>

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Demonstration

Dalsong

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Next Plan

• Various features by collaborative Various features by collaborative peoplepeople

• More than two lyric serversMore than two lyric servers

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Question and Answer

Q&A!? “I Have a Question!!”