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Tools for mxf-embedded bucore metadata, Dieter Van Rijsselbergen, Jean-Pierre Evain  Limecraft, EBU
 

Tools for mxf-embedded bucore metadata, Dieter Van Rijsselbergen, Jean-Pierre Evain Limecraft, EBU

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WHICH FILE CONTAINER? ...

WHICH FILE CONTAINER?


• Material Exchange Format ( )

•  Standardized in 2004

•  By now the de facto standard of "
professional audio-visual file formats

•  Many specifications and many features

•  Structural Metadata…

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    Tools for mxf-embedded bucore metadata, Dieter Van Rijsselbergen, Jean-Pierre Evain  Limecraft, EBU Tools for mxf-embedded bucore metadata, Dieter Van Rijsselbergen, Jean-Pierre Evain Limecraft, EBU Presentation Transcript

    • “TOOLS FOR MXF-EMBEDDED EBUCORE METADATA” Dieter Van Rijsselbergen, Jean-Pierre Evain Limecraft, EBU Get in contact: dieter.vanrijsselbergen@limecraft.com;" @limecraft Copyright  ©  of  this  presenta1on  is  the  property  of  the  author(s).  FIAT/IFTA  is  granted  permission  to   purposes  relevant  to  the  a uture   reproduce  copies  of  this  work  for  rovided  that  the  author(s),  bove  conference  and  fno1ce  caommunica1on   by  FIAT/IFTA  without  limita1on,  p source  and  copyright   re  included  in   each  copy.  For  other  uses,  including  extended  quota1on,  please  contact  the  author(s).   #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • METADATA " TRANSFERS " INTO THE ARCHIVE Metadata   #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • METADATA TRANSFERS → ARCHIVE • How to transfer Essence and its Metadata? Out-of-band delivery Embedded Archive #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • METADATA TRANSFERS → ARCHIVE Out-of-band delivery vs. Embedded delivery Essence + Metadata MXF + Metadata XML Essence + Metadata MXF ← Metadata Delivery Interpretation (file01.mxf + file01.xml) Delivery Technology (FTP) #FIATIFTADubai2013 Delivery Technology (FTP) D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • WHICH FILE CONTAINER? • Material Exchange Format ( ) •  Standardized in 2004 •  By now the de facto standard of " professional audio-visual file formats •  Many specifications and many features •  Structural Metadata… Links to all essence tracks (default) Event Start Position Duration Links onl to sound tracks y Timecode Track Picture Track Sound Track 1 Sound Track 2 Data Track Links onl to thepicture track y Virtual DM Track Edit unit DM Framework DM Framework DM Framework DM Segment 1 DM … and Descriptive Metadata! Segment 2 DM Segment 3 #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • WHICH EMBEDDED METADATA? • Descriptive Metadata for MXF exists •  E.g., Descriptive Metadata Scheme-1 (DMS-1) •  Production characteristics, rights information, annotations, person and entity identification, … •  DMS-1 is barely being used for real •  Perhaps due to the fact that there is no DMS-1 notion outside of the MXF ecosystem? •  Exchange is always using another standard (e.g, MPEG-7, TV Anytime) •  Hard to obtain a viable and complete mapping or metadata authored outside of MXF #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • WHICH EMBEDDED METADATA? • Alternatives? •  Use metadata that is used outside of MXF! •  Core •  EBU’s extension of Dublin Core •  Metadata framework for descriptive and technical metadata •  about audiovisual assets •  for use •  in Service Oriented Architectures; •  in audio-visual ontologies for semantic web; •  and linked data developments •  Gaining traction and adoption" with broadcasters and archives •  Native format is XML (defined by XML Schema) #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • EMBEDDED EBUCORE METADATA? • Embedding Core worklfow • Use XML authoring and processing tools for metadata creation… •  Directly or via transformation •  E.g., the MINT mapping tool • …then place the EBUCore XML in the MXF container… #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • EMBEDDING METADATA IN MXF? • How? • Translate EBUCore" to the KLV structure" of MXF somehow <?xml  version="1.0"  encoding="UTF-­‐8"?>   <ebuCoreMain  xmlns:xsi="http://www.w3.org/2001/XMLSchema-­‐instance"      xmlns:dc=http://purl.org/dc/elements/1.1/      xmlns="urn:ebu:metadata-­‐schema:ebuCore_2011"      xmlns:default=http://iptc.org/std/nar/2006-­‐10-­‐01/      xmlns:ebu=http://ebu.org/nar-­‐extensions/  version="1.3"        dateLastModified="2011-­‐01-­‐31">      <coreMetadata>          <title>              <dc:title  xml:lang="fr-­‐can">Berlin  Wall  50th</dc:title>          </title>          <alternativeTitle  typeLabel="headline">              <dc:title>Berlin  Wall  50th</dc:title>          </alternativeTitle>          <creator  entityId="EBUNMSSRVCodeSource:TBA"/>          <subject>              <dc:subject/>              <subjectCode>EBUNMSCategoryCode:EXCH</subjectCode>          </subject>          <subject>              <dc:subject>In  or  about  Europe  and  EU</dc:subject>              <subjectCode>EBUNMSWebcatCode:EUROPE</subjectCode>          </subject>          <description  typeLabel="pubStatus">              <dc:description>NMSStatusCode:TBC</dc:description>          </description>          <description  typeLink="EBUNMSDescription:dopesheet">              <dc:description>  The  Berlin  Wall  (German:  Berliner  Mauer)  was                    a  barrier  constructed  by  the  German  Democratic  Republic                    (GDR,  East  Germany)  starting  August  13,  1961,  that   completely                    cut  off  West  Berlin  from  surrounding  East  Germany…   #FIATIFTADubai2013 Key Length Value 16  bytes 16  bytes BER-­‐encoded   BER-­‐encoded   length length Length  llength Length   ength D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • METADATA EMBEDDING STRATEGIES File Header Run In Header Partition Pack (optional) File Body Header Metadata Index Table Essence Container Body Partition Pack File Footer Essence Container Footer Partition Pack Header Metadata Random Index (optional) (optional) (optional) (optional) KLV DARK KLV #FIATIFTADubai2013 SIDE-CAR D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • METADATA EMBEDDING STRATEGIES • Dark + Embedded in the MXF file, easier to extract" (locate a single KLV element and read its contents) - No interaction with the structural metadata • KLV + Full interaction and relations with structural metadata," the MXF way - More complex to implement and support • Sidecar + Valid (but limited) interaction with MXF timeline - No actual embedded metadata, " requires an out-of-band delivery mechanism #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • METADATA EMBEDDING STRATEGIES • In case of KLV, a mapping is required between EBUCore XML and EBUCore KLV <ebucoreCoreMetadata  key="06  0E  2B  34  02  7F  01  0B  0D  02        <identifier  globalKey="06  0E  2B  34  01  01  01  0E  0D  0        <title  globalKey="06  0E  2B  34  01  01  01  0E  0D  02  01          <alternativeTitle  globalKey="06  0E  2B  34  01  01  01  0        <creator  globalKey="06  0E  2B  34  01  01  01  0E  0D  02  0        <subject  globalKey="06  0E  2B  34  01  01  01  0E  0D  02  0        <description  globalKey="06  0E  2B  34  01  01  01  0E  0D          <publisher  globalKey="06  0E  2B  34  01  01  01  0E  0D  02        <contributor  globalKey="06  0E  2B  34  01  01  01  0E  0D          <date  globalKey="06  0E  2B  34  01  01  01  0E  0D  02  01  0        <type  globalKey="06  0E  2B  34  01  01  01  0E  0D  02  01  0        <language  globalKey="06  0E  2B  34  01  01  01  0E  0D  02          <coverage  globalKey="06  0E  2B  34  01  01  01  0E  0D  02          <rights  globalKey="06  0E  2B  34  01  01  01  0E  0D  02  01        <rating  globalKey="06  0E  2B  34  01  01  01  0E  0D  02  01        <version  globalKey="06  0E  2B  34  01  01  01  0E  0D  02  0        <publicationHistory  globalKey="06  0E  2B  34  01  01  01        <customRelation  globalKey="06  0E  2B  34  01  01  01  0E          <basicRelation  globalKey="06  0E  2B  34  01  01  01  0E  0        <format  globalKey="06  0E  2B  34  01  01  01  0E  0D  02  01        <part  globalKey="06  0E  2B  34  01  01  01  0E  0D  02  01  0    </ebucoreCoreMetadata>   #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • METADATA EMBEDDING STRATEGIES • In case of KLV, a mapping is required between EBUCore XML and EBUCore KLV •  This mapping and KLV representation have been submitted to SMPTE •  Will form a part of the official SMPTE Metadata Register •  As Class 13 Public User Organisation metadata •  Keys under 06.0E.2B.34.01.01.01.05.0D.02 are EBU’s #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • TOOLS: EBUCORE MXF SDK ebu2mxf.exe raw2bmx.exe mxf2ebu.exe • In order to lower threshold of using " EBUCore embedded metadata… • Initiative by EBU to provide community with reliable" and open-source software to manipulate MXF files •  Handle metadata •  Handle essence and work on conformity of MXF files • Available at: •  Repository: https://github.com/Limecraft/ebu-mxfsdk •  Binaries: http://sourceforge.net/projects/ebu-mxfsdk • Released under the Apache License 2.0 •  Free & Open Source •  Use in non-commercial/commercial " applications Custom Tools and System Integrations EBU MXF SDK #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • TOOLS: EBUCORE MXF SDK • Use of the SDK •  Command line tools included •  Use as-is for basic tasks •  Getting started quickly •  Use as a function library •  Build custom applications linked with the SDK ebu2mxf.exe raw2bmx.exe mxf2ebu.exe Custom Tools and System Integrations EBU MXF SDK #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • TOOLS: EBUCORE MXF SDK ebu2mxf.exe raw2bmx.exe mxf2ebu.exe • Example use of the SDK •  Put EBUCore metadata in MXF file •  Existing MXF file •  Specify input EBUCore XML file •  Pick a strategy (KLV default) •  Remove is also an option Custom Tools and System Integrations EBU MXF SDK Usage: ebu2mxf <<options>> <filename> Options: -h | --help Show usage and exit -v | --version Print version info -l <file> Log filename. Default log to stderr/stdout -i Print file information to stdout --ebu-core <file> Write embedded EBU Core metadata to file --force-header Force metadata to be appended into the header partition --dark Write EBU Core metadata into a dark metadata set --sidecar Write EBU Core metadata as a side-car reference --remove Remove EBU Core metadata from the MXF file header metadata #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • TOOLS: EBUCORE MXF SDK ebu2mxf.exe raw2bmx.exe mxf2ebu.exe • Example use of the SDK •  Take EBUCore metadata from MXF file •  Existing MXF file •  Specify output EBUCore XML file •  All serialization strategies are" automatically evaluated Custom Tools and System Integrations EBU MXF SDK Usage: mxf2ebu <<options>> <filename> Options: -h | --help Show usage and exit -v | --version -l <file> -i --ebu-core <file> Print version info Log filename. Default log to stderr/stdout Print file information to stdout Write embedded EBU Core metadata to file #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • TOOLS: EBUCORE MXF SDK ebu2mxf.exe raw2bmx.exe mxf2ebu.exe • Example use of the SDK •  Assemble new MXF files with EBUCore •  Specify MXF flavor, essence " and EBUCore XML file Custom Tools and System Integrations EBU MXF SDK Usage: raw2bmx <<options>> [<<input options>> <input>]+ Options (* means option is required): -h | --help Show usage and exit -v | --version Print version info -l <file> Log filename. Default log to stderr/stdout -t <type> Clip type: as02, as11op1a, as11d10, op1a, avid, d10, wave. Default is as02 … EBU Core: --ebu-core <name> Parse and set EBU Core from <name> … #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • TOOLS: EBUCORE MXF SDK - PoC • Example use of the SDK in a Proof-of-Concept demonstrator in Limecraft Flow Search Application Media Probing «User» Metadata Index Feature Detection Retrieval Application mxf2ebu.exe EBU MXF SDK #FIATIFTADubai2013 Media Repository D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • CONCLUSIONS • There is a case for embedded metadata in archiving and media production •  Makes the delivery process easier • MXF and EBUCore make an interesting combination •  Broad adoption of both standards • There are various ways in which EBUCore" can be embedded in MXF •  Advantages and disadvantages to each strategy • EBU/Limecraft have built tools and an SDK to... •  Allow users to get started quickly and easily" with using EBUCore in MXF files •  Experiment with various serialization strategies •  Use these tools in custom applications freely •  Please experiment: •  Repository: https://github.com/Limecraft/ebu-mxfsdk •  Binaries: http://sourceforge.net/projects/ebu-mxfsdk #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo  
    • “TOOLS FOR MXF-EMBEDDED EBUCORE METADATA” Dieter Van Rijsselbergen, Jean-Pierre Evain Limecraft, EBU Get in contact: dieter.vanrijsselbergen@limecraft.com;" @limecraft Copyright  ©  of  this  presenta1on  is  the  property  of  the  author(s).  FIAT/IFTA  is  granted  permission  to   purposes  relevant  to  the  a uture   reproduce  copies  of  this  work  for  rovided  that  the  author(s),  bove  conference  and  fno1ce  caommunica1on   by  FIAT/IFTA  without  limita1on,  p source  and  copyright   re  included  in   each  copy.  For  other  uses,  including  extended  quota1on,  please  contact  the  author(s).   #FIATIFTADubai2013 D. V. Rijsselbergen; JP. Evain: “Tools for MXF-embeddded EBUcore metadata” Replace  box  with     your  company  logo