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SGI Video Servers: Powerful Hardware, Software, and Services for Broadcast-Quality Video

Learn about SGI Video Servers, built on the SGI Origin Servers platform. Discover the open system architecture, format independence, and high-speed data networks that make it ideal for producing high-quality video content. Explore the hardware, software, and storage options available, as well as the modular and extensible architecture of the Video Server Toolkit. Find out how SGI Video Servers can enhance your post-production workflow.

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SGI Video Servers: Powerful Hardware, Software, and Services for Broadcast-Quality Video

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  1. TM

  2. SGI Video Servers Hilmi Ortadeveci Applied Engineer VST hilmi@sgi.com

  3. SGI Video Servers • Overview • Based on SGI Origin Servers • SGI Hardware, Software, and Services to produce a broadcast quality video server

  4. SGI Video Servers • Key Features • Open System Architecture • Format Independent • Treats Media Content as Both Media and Data Simultaneously • High speed data networks • File transfer and play/record simultaneously

  5. Origin Servers • Hardware Platform • ccNUMA architecture • Extremely high throughput (multiple uncompressed HD) • Scalable • No limits like bus-based architectures • Origin200 GIGAchannel • High volume product • Highly reliable • Redundant power and cooling • Mirrored system disks

  6. Origin Servers • Storage Options • Internal and External UltraSCSI storage • RAID-0 or RAID-1 • External Fibre Channel storage • Ciprico FibreSTORE and Ciprico 7000 • RAID-0, RAID-1, or RAID-3

  7. Origin Servers • Software Platform - IRIX 6.5 • Variant of SVR4 • REACT Real-time Scheduling • UST/MSC Synchronization • XFS Real-Time Filesystems and Guaranteed Rate I/O • XLV Logical Volumes • dmBuffers

  8. SGI Video Server SoftwareKey Features • Video Server Toolkit • Modular, Extensible Architecture • Frame Accurate • Automation control protocols • Format Independent • MPEG-2 to Film • I/O Independent • Video, bit stream, network, etc.

  9. VST Architecture Block Diagram Archive Control VTR Core Storage Format Media I/O Device

  10. VST ArchitectureFormat Modules • Handle for accessing specific storage formats • Translation from Media Units to Data Access Untis • Timecode to byte offset

  11. VST ArchitectureFormat Modules Implementations • Variable Frame Size (vframe) • RICE, M-JPEG, Uncompressed • Bitstream (stream) • MPEG-2 Transport Stream and Program Stream • DVCPRO (dif) • DVCPRO • Virtual Clip (vclip) • EDLs

  12. VST ArchitectureFormat Modules Virtual Clips • Built from Sequences of Other Clips • List of clips with edit points • Shares media content with original clip • Clip segments must be of the same format • Treated like All Other Formats • Handles Deletion of Original Clip

  13. VST ArchitectureMedia Modules • Interface to Media I/O Devices • Manage transfers to and from I/O Device • Define Port to I/O Device Mapping

  14. VST ArchitectureMedia Modules • Implementations • DIVO, DIVO-DVC • Uncompressed, RICE, DVCPRO, SDTI • DVB-ASI • MPEG-2 Transport Stream (up to 45 Mb/s) • Vela 4-port MPEG-2 decoder • MPEG-2 Transport and Program Streams • O2 (For Development Purposes) • M-JPEG

  15. VST ArchitectureMedia Controller Modules • Special Media Modules Implement Slave Device Control • Standard Sony/P2 Protocol • Enables Consistent Control Interface

  16. VST ArchitectureStorage Module • Manages Data Storage • XFS Storage Module • XFS Real-Time Filesystems • XFS Guaranteed Rate I/O

  17. VST ArchitectureArchive Modules • Interface to Archive Systems • Separate Storage from Clip Cache • Find, Get, Put interfaces • Implementations • StudioCentral Asset Transfer Service • Special Archive Modules • fsmon • clip mirror

  18. VST ArchitectureControl Modules • Implementations • MVCP • Text-based native control protocol of VST • Louth VDCP • de-facto standard automation protocol • Sony/P2 • de-facto standard VTR control protocol

  19. VST ArchitectureCustomizable Controls • Categories of Configurable Parameters • File System, Media, System • Monitor and Adjust System Behavior • Establish Initial Values • Control Files

  20. SGI Video Servers • User Tools • GUI Status (mcstat) • GUI VTR Emulation (mcpanel) • GUI Clip Management (mcclips) • Various Command Line Utilities • Status and Clip Management

  21. mcstat • Status Monitoring • Status of Units • Clip Loaded • Unit State • Position

  22. mcpanel • GUI VTR Emulation • Cue, Play, Stop, Record, Jog, Shuttle, ... • Loop Mode • Forward and Backward • Clip Selection Box

  23. mcclips • GUI Clip Management • Delete, Protect, ... • Archive Operations • Find, Get, Put

  24. SGI Video Servers • Video Server Products • Post-Production Video Server • Non-Compressed and Lossless-Coded storage format with digital I/O • DVCPRO Video Server • DVCPRO storage format with digital I/O • Cable Insertion Server • MPEG-2 storage format with analog I/O • DTV Server • MPEG-2 storage format with DVB-ASI I/O

  25. Post-Production Video Server • Non-Compressed and Lossless Coded • Up to 16 channels (8 input and 8 output) • Serial Digital Video • 4:2:2 or 4:2:2:4 • Embedded Audio or Separate AES/EBU Audio • Up to 8 channels per video • Up to 12 hours storage • Automation protocol support • Master and Slave VTR Control

  26. DVCPRO Video Server • DVCPRO Format • Up to 16 channels (8 inputs and 8 outputs) • Serial Digital Video • AES/EBU Digital Audio • SDTI support • 4X Transfer of DVCPRO • Up to 48 hours storage • Automation protocol support • SGI MVCP, Louth VDCP, and Sony VTR

  27. Cable Insertion Server • MPEG-2 Format • Up to 48 channels (48 outputs) • Input via File Transfer • Analog Video Output • Analog Audio Output • Up to 24 hours storage • Automation protocol support • SGI MVCP and Louth VDCP

  28. DTV Server • MPEG-2 Compressed I/O • DVB-ASI I/O • MPEG-2 Multi-Program Transport Stream • Up to 48 Mb/s • Up to 56 hours storage at 6 Mb/s • Automation protocol support • SGI MVCP and Louth VDCP

  29. Video Server Deployments • Sveriges Television (SVT) - Stockholm • 10 Regional SGI DVCPRO Servers around Sweden • File Transfer to Stockholm • Editing in Stockholm using Avid NLE • On-Air Playout from SGI DVCPRO Server • Status • Installed April 1, 1999 • On-Air June 21, 1999

  30. Panasonic DNA System • DVCPRO News Automation • DVCPRO-based Digital Newsroom System • SGI DVCPRO Video Server • Panasonic NLEs, VTRs, Camcorders • NewsBYTE/QuickCutter and DVEdit NLEs • Prisa Fibre Channel Network • Fibre Channel Adapters and Switch

  31. Panasonic DNA System • DVCPRO News Automation • Connects with external Automation System • NewsMaker/Nexus • Crispin Corp. • DNA System is sold by Panasonic

  32. DNA System Diagram SGI DVCPRO Server Transmission SDTI SDI Acquisition SDI SDTI Feeds Fibre Channel QuickCutter NLE QuickCutter NLE SMART-CART

  33. DNA System Deployments • Austin News 8 - Austin, TX • Time-Warner Cable 24 hour local news channel • Installed June 1, 1999 • Planned On-Air July 23, 1999 • KYW - Philadelphia • CBS owned and operated station • Planned Install July 15, 1999 • Planned On-Air August 15, 1999

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