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A New Jersey Statewide Video Portal Based on Open Source Technologies Isaiah Beard Digital Standards & Workflow Manager - SCC Repository Architects: Ron.

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Presentation on theme: "A New Jersey Statewide Video Portal Based on Open Source Technologies Isaiah Beard Digital Standards & Workflow Manager - SCC Repository Architects: Ron."— Presentation transcript:

1 A New Jersey Statewide Video Portal Based on Open Source Technologies Isaiah Beard Digital Standards & Workflow Manager - SCC Repository Architects: Ron C. Jantz and Grace Agnew Rutgers, the State University of New Jersey Internet2 Spring Member Meeting Arlington, VA - April 23, 2008

2 Concepts and History Architecture and Usage Scenarios Challenges unique to NJVid Demos/ Proof of concept Outline & Overview 2

3 Concepts & History Beginnings

4 Predecessor Technologies New Jersey Digital Highway (njdigitalhighway.org) Statewide repository - IMLS grant Established Foundation Platform RUcore - Rutgers Community Repository Expansion of NJDH technology Expansion of NJDH technology Customization, portals Customization, portals Born Digital Archiving Born Digital Archiving 4

5 Predecessor Technologies Existing Video Collections Partner Institutions with video content New Jersey Digital Highway Local Collections - WPUNJ, Montclair, etc. 5

6 Collection/Video Types Three Major Video Collection Types Video Commons Locally Owned/Locally produced Commercial Videos - Consortia Commercial Videos - Consortia Lectures on Demand Lectures on Demand 6

7 Architecture & Workflow Nuts & Bolts

8 A Trusted Repository Reliable content delivery Standards-based digitization Preservation Platform Rights Enforcement Authentication/ Authorization Authentication/ Authorization Reference Architecture 8

9 Reference Architecture: Technologies in Use 9Area Software Used Applications/Web Interface PHP / MySQL Journals Open Journal System (PKP) Search Engine Amberfish Workflow Mangement PHP / MySQL (developed in-house) Collection Services PHP / MySQL (developed in-house) Handles/Persistent IDs CNRI Handle Server Video Streaming Server Darwin (Apple) Digital Library Framework FEDORA OS/Web Server Linux/Apache

10 MatroxAxioEncoder Reference Architecture 10 User Input (Metadata) Workflow Management System Video <XML> Digital Object Repository(FEDORA) Digitized Video Master FEDORA Repository Service Collection/Preservation Services NJVid Commons Partner Portals

11 Large Master Video Files Master DV/AVI files @ 20GB+ per hour Ingest, presentation, preservation Ingest, presentation, preservation Lectures on Demand - Annotate Video Lectures on Demand - Annotate Video Authentication/Authorization Facility Authentication/Authorization Facility Architectural Challenges 11

12 Architectural Challenges 12 Object Architecture Repository ID Metadata Behaviors(dissemintaors) Data Streams SMAP1 - StrMap (TOC) FLV1-Download MOV1-Quicktime Stream PDF1 - Transcript XACML Policy ARCH1 - Archival Master DescriptiveTechnical Source Rights Digital Provenance MD Structure

13 Infrastructure Demos 13

14 Large Files: The Digital Video Object 14 Archival Masters Film transfer/VHS/Betacam/Analog Sources Uncompressed AVI as Master Digital (DVCAM, miniDV, HDV, etc.) DV file with native format/encoding DV file with native format/encoding DVDs DVDs Disk Image (ISO) kept as archive Masters Disk Image (ISO) kept as archive Masters

15 Large Files: The Digital Video Object 15 Presentation Streams Streaming Protocol: MPEG-4 H.264 (Quicktime) 15-20 frames/sec, 640x480 Data rate: 384-512 kbps Progressive Download Flash Video (FLV with SWF wrapper) Flash Video (FLV with SWF wrapper) 15 fps, 640 x 480 - 256-384 kbps 15 fps, 640 x 480 - 256-384 kbps Intended as an alternate presentation mode Intended as an alternate presentation mode

16 Large Files: The Digital Video Object 16 Presentation Streams Codec Selection Criteria Easy to Use/Install Supports Multiple Platforms Built on established industry standards Excellent quality/bandwidth ratio Widely Used (Akamai, YouTube, etc)

17 Large Files: The Digital Video Object 17 Content Demo Demo Video Clip from Existing Collections

18 Large Files: The Digital Video Object 18 Presentation Streams Open Source-able architecture - Darwin Streaming Server (DSS) Can run on all major OS platforms Free, open source license (APSL)

19 Large Files: The Digital Video Object 19 Presentation Streams Transcripts When available Searchable & Indexable Text/XML Will require labor (transcribing & data entry)

20 Application Architecture 20 Backend Storage Subsystem Digital Object Repository(FEDORA) Partner/Custom Portals Middleware (Host Server/Shibboleth) Archival Master Files Darwin Streaming Server (Video Content Delivery) Progressive Download (Flash Video) Retrieve Streams in FEDORA via NFS - External Storage - Checksum Integrity Validation Quicktime/H.264 Stream

21 The Front-End Interface Usage Scenarios

22 Faculty Annotation for Lectures on Demand Specific clips, segments for dissemination General Public Access - NJVid Commons General Public Access - NJVid Commons Student Access to Licensed Videos Student Access to Licensed Videos A/A required for selective access A/A required for selective access End User Scenarios 22

23 Workflow Instructor previews video and selects segments for students Lectures on Demand: Annotated Video Clip 23

24 Workflow Instructor previews video and selects segments for students Lectures on Demand: Annotated Video Clip 24 Instructor authenticates, and creates annotation objects for the video, specifying in and out points

25 Workflow A structure map with appropriate time segments and persistent ID of the source video is created. All pieces fall into place. Lectures on Demand: Annotated Video Clip 25 Object ID Metadata Behaviors Data Stream TOC Video for Class 101:01 Structure Map Intro: 0:00.00 - 11:01.29 History: 20:00.09 to 45:08.10 Wrap-Up: 65:22.24 to 70:01.18 DarwinStreamingServer Presented Video Object

26 Finalization of Video Architecture (Summer 2008) Implement Shibboleth for Authentication and Authorization (Fall 2008) Fine-Grained object access via XACML (Fall 2008) Video Table of Contents (early to mid 2009) Multiple Structure Map Annotations for Complex Segments (mid 2009) NJVID Custom Installation Configuration Development Needs for NJVID

27 Questions? Isaiah Beard Digital Standards & Workflow Manager Scholarly Communication Center Rutgers University Libraries isaiah.beard@rutgers.edu Internet2 Spring Member Meeting Arlington, VA - April 23, 2008

28 Watch This Space! View our blog, sample videos and progress reports at: www.njvid.org Internet2 Spring Member Meeting Arlington, VA - April 23, 2008

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