1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS X ISO/IEC 21000 17 (MPEG 21) 17：MPEG KS X ISO/IEC 21000 17:2008 2008 6 30 http:/www.kats.go.krKS X ISO/IEC 21000 17:2008 : e- ( ) ( ) () () ( ) : (JTC1/SC29) () ( ) KBS LG () ETRI () KS X ISO/IEC 21000 17:2008 : (http:/www.standard.go.kr) ： ： 2008 6 30 20
2、08-0365 ： e- ：e- (JTC1/SC29) ( 025097262) (http:/www.kats.go.kr). 10 5 , . KS X ISO/IEC 21000 17:2008 i ii iii 1 1 1.1 .1 1.2 1 1.3 MPEG 21 .2 2 2 3 .3 3.1 3 3.2 .6 3.3 6 4 MPEG URI 7 4.1 .7 4.2 W3C Xpointer .7 4.3 xmlns() .7 4.4 .8 4.5 .8 4.6 .9 4.7 .9 5 .10 5.1 .10 5.2 ffp() 10 5.3 offset() .12 5.
3、4 mp() .12 5.5 mask( ) 25 6 26 6.1 .26 6.2 .26 6.3 .28 6.4 28 6.5 MPEG 4 28 A( ) .31 A.1 mp() 31 A.2 31 B( ) .34 C( ) .37 .38 KS X ISO/IEC 21000 17:2008 ii ISO/IEC 21000 (MPEG 21) . 1： , ( ) 2： 3： 4： 5： (REL) 6： (RDD) 7： 8： 9： MPEG 21 10： 11： ( ) 12： MPEG 21 ( ) 14： 15： 16： 17： MPEG . 18： KS X ISO/I
4、EC 21000 17:2008 iii 2006 1 ISO/IEC 21000 17, Information technology Multimedia framework(MPEG 21) Part 17： Fragment Identification of MPEG Resources . . . ISO/IEC 21000 (MPEG 21) . MPEG 21 . ISO/IEC JTC 1/SC 29/WG 11 (MEPG) . MPEG . . MPEG21 . . MPEG 21 . . MPEG 21 . . MPEG 21 . , , , , , , , , . M
5、PEG URI . MPEG URI . . KS X ISO/IEC 21000 17:2008 (MPEG 21) 17： MPEG Information technology Multimedia framework(MPEG 21) Part 17： Fragment Identification of MPEG Resources 1 1.1 MPEG , URI . audio/mpeg RFC3003 video/mpeg RFC2045, RFC2046 video/mp4 RFC4337 audio/mp4 RFC4337 application/mp4 RFC4337 M
6、PEG URI . . URI IETF RFC 3986 URI . URI # URI . IETF RFC 3987 IRI . URI W3C Xpointer Framework Recommendation . , ISO 1.2 . MPEG URI ( 1) 4. . KS X ISO/IEC 21000 17:2008 2 , MPEG URI . 5. . , 6. , . 1 . 1.3 MPEG 21 . MPEG 21 “ ” KS X ISO/IEC 21000 3 . 2 . . ( ) . KS X ISO 8601, KS X ISO/IEC 10646, (
7、UCS) , KS X ISO/IEC 13818 6, (MPEG 2) 6： (DSM CC) KS X ISO/IEC 14496 12, (MPEG 4) 12： ISO KS X ISO/IEC 15938 5, (MPEG 7) 5： W3C Recommendation Extensible Markup Language (XML) 1.0 (Third Edition), 04 February 2004, http:/www.w3.org/TR/REC xml/ KS X ISO/IEC 21000 17:2008 3 W3C Recommendation XML Sche
8、ma Part 0： Primer, Second Edition, 28 October 2004, http:/www.w3.org/TR/xmlschema 0/ W3C Recommendation XML Schema Part 1： Structures, Second Edition, 28 October 2004, http:/www.w3.org/TR/xmlschema 1/ W3C Recommendation XML Schema Part 2： Datatypes, Second Edition, 28 October 2004, http:/www.w3.org/
9、TR/xmlschema 2/ W3C Recommendation XML Path Language, Version 1.0, 16 November 1999, http:/www.w3.org/TR/xpath W3C Recommendation XPointer Framework, 25 March 2003, http:/www.w3.org/TR/xptr-framework/ W3C Recommendation XPointer xmlns() Scheme, 25 March 2003, http:/www.w3.org/TR/xptr-xmlns/ W3C Reco
10、mmendation Namespaces in XML, 14 January 1999, http:/www.w3.org/TR/REC-xml-names/ SMPTE(Society of Motion Picture and Television Engineers) 12M 1999, Television, Audio and FilmTime and Control Code IETF RFC 2045, Multipurpose Internet Mail Extensions (MIME) Part One： Format of Internet Message Bodie
11、s, http:/www.ietf.org/rfc/rfc2045.txt IETF RFC 2046, Multipurpose Internet Mail Extensions (MIME) Part Two： Media Types, http:/www.ietf.org/rfc/rfc2046.txt IETF RFC 2234, Augmented BNF for Syntax Specifications： ABNF, November 1997, including the following core ABNF syntax rules defined by that spec
12、ification： ALPHA (letters), DIGIT (decimal digits), and HEXDIG(hexadecimal digits), http:/www.ietf.org/rfc/rfc2234.txt IETF RFC 3003, The audio/mpeg Media Type, http:/www.ietf.org/rfc/rfc3003.txt IETF RFC 3986, Uniform Resource Identifier(URI)： Generic Syntax, http:/www.ietf.org/rfc/rfc3986.txt IETF
13、 RFC 3987, Internationalized Resource Identifiers (IRIs), http:/www.ietf.org/rfc/rfc3987.txt IETF RFC 4337, MIME Type Registration for MPEG 4 3 . 3.1 3.1.1 (axis) XPath . , . XPath ( , , ) 1 . . 3.1.2 (context) XPath . 3.1.3 (default namespace) KS X ISO/IEC 21000 17:2008 4 3.1.4 (fragment identifier
14、) URI . . 3.1.5 (function) XPath , . 3.1.6 (location) XPath , XPath . (Location) . 3.1.7 (location path) . . 3.1.8 (location-set) XPath . , 3.1.9 (location step) XPath . , . 3.1.10 (logical model) . , . 3.1.11 (logical model description) XML 3.1.12 (logical model schema) XML KS X ISO/IEC 21000 17:20
15、08 5 3.1.13 (logical unit) DVD . XPath . 3.1.14 (node-test) XPath . , - . - . 3.1.15 (pointer) XPointer Framework 3.1.16 (pointer part) . 3.1.17 (predicate) XPath , , . 3.1.18 (region) 2D 3D . 3.1.19 (resource) IETF RFC 3986 3.1.20 (scheme) 3.1.21 (temporal-region) . 3.1.22 (time) . CD KS X ISO/IEC
16、21000 17:2008 6 10 5 3.2 . FID Fragment Identifier IRI Internationalized Resource Identifier LM Logical Model MIME Multipurpose Internet Mail Extensions IETF RFC 2045 MPEG Moving Picture Experts Group MPEG 4 ISO/IEC 14496 MPEG 21 ISO/IEC 21000 NS Namespace URI Uniform Resource Identifier IETF RFC 39
17、86 URL Uniform Resource Locator IETF RFC 1738 URN Uniform Resource Name IETF RFC 2141 W3C World Wide Web Consortium XML Extensible Mark up Language 1.0 W3C Recommendation XPath XPath Language 1.0 W3C Recommendation Xpointer XPointer Framework W3C Recommendation 3.3 4.3 XML W3C xmlns() . , : 3.3.1 .
18、urn:mpeg:mpeg21:2006:01 FID NS MPEG . urn:mpeg:mpeg21:2006:01 FID NS . URI ffp() ffp() . myFile.mp21#ffp(item_name myItem) URI myPointer() xmlns() pref urn:myNamespace . KS X ISO/IEC 21000 17:2008 7 myFile.mp21#xmlns(pref urn:myNamespace)pref:myPointer(mySchemeData) 3.3.2 MPEG Media Types . MPEG Med
19、ia Type . 6.5 urn:mpeg:mpeg21:2006:01 LM MP4 NS MPEG 4 video . URI MPEG 4 video track urn:mpeg:mpeg21:2006:01 LM MP4 NS . myFile.mp4#mp(/track) . myFile.mp4#xmlns(mp4 urn:mpeg:mpeg21:2006:01 LM MP4 NS)mp(/mp4:track) 4 MPEG URI 4.1 MPEG . MPEG URI . 4.2 XPointer . xmlns() 4.3 . 4.4 . 4.5, 4.7 . 4.2 W
20、3C Xpointer W3C Xpointer XML . XML URI . . barename DTD ID . schemeName(schemeData) . 4.3 xmlns() . . . . KS X ISO/IEC 21000 17:2008 8 xmlns() . XML , W3C xmlns() MPEG . xmlns() . W3C xmlns() xmlns() . xmlns() . . xmlns() , MPEG URI . , xmlns() (d:title), (d:chapter) DVD (d:audio) mp() . xmlns() DVD
21、 mp3 urn:example:mp3 (au:channel) mp() . #xmlns(d http:/example.org/dvd)xmlns(au urn:example:mp3) mp(/d:DVD/d:title/d:chapter/d:audio/au:channel1) 4.4 , . , . . . “*” . “*” , (“*” ) (“*” ) . URI myFile.mp4 . item_name . http:/ myBitstream)*mp( time(npt,50) 4.5 MPEG . MPEG W3C XPointer . EBNF , XPointer “*” . KS X ISO/IEC 21000 17:2008 9 s XML 1.0 . QName XML W3C . . , ()
