Video Rendering and Formats: Getting It Right the First Time

212

Video Rendering and Formats:

Getting It Right the First Time

Phil Cowcill, Canadore College

November 10 - 13, 2009 San Jose, CA

Page 1Session 212 – Video Rendering and Formats: Getting It Right the First Time – Phil Cowcill, Canadore College

Phil CowcillNovember 11, 2009

eLearning Guild DevLearn 09

IntroductionOld Video (Interlaced)New Video (Progressive)ToolsFormats for DeliveryQuestions



Phil CowcillCoordinator of:

Interactive Multimedia (1995)Advertising Creative Media (2003)Journalism (Nov. 2008)

Professor at Canadore CollegeNorth Bay, ON – Canada

705.474.7600 ext. [email protected]

Where is North Bay, ON?



Canadore College on the Escarpment of North Bay

Graduated from TV/Video ProductionStarted Multimedia Development in 1984

Developed Canada’s First Level III IVDTeach Media Development to Interactive Multimedia Students

One Year Post Graduate ProgramDevelop Graphics, Sound Files, Video, 2D/3D Animation, DVD



Composite VideoNTSC

National Television System CommitteeNever Twice the Same Colour ;‐)

PALPhase Alternate LinesEuropean Standard

SECAMSequential Colour with Memory



Interlaced Fields Lead to Line Flicker

Traditional TV is InterlacedComputers use Progressive Scanning

Start at Top and Scan DownTV Signal is Incompatible with RGBRequire Scan Converter to Convert Analog Interlaced Video to Progressive



HDTVHigh Definition Television

Editing Software ShouldMake Workflow SimpleIncorporate Wide Variety of Media AssetsRender Video to Multiple FormatsPredefined Options for Specific OutputsCan Access Codecs on SystemOnline Communities for Help



Adobe Premier Pro CS4 (Mac & PC)$800 ($300 Upgrade)

Includes Encore to Build Interactive DVDhttp://www.adobe.com/products/premiere/

Apple Final Cut Pro 7 (Mac)$1,000

Includes Motion 4Creates Stunning 2D and 3D Motion

http://www.apple.com/finalcutstudio/finalcutpro/



AVS Video ConverterHave Video Editors, DVD Copy, DVD Authoring etc.Used AVS Converter to Convert to Virtually Any Formathttp://www.avs4you.comFree to Download

Zamzar Online Servicehttp://www.zamzar.com

Converts from one Format to AnotherUses Email



PSP Video 9http://www.pspvideo9.com

Converts Video Ideally for PSPFree to Download

Sample Video Editing and Rendering



Digital Video Files are CompressedVideo Uses CODECS to Compress

COder / DECoderXing in SF Developed First Software Based MPG CodecPlayback Computer MUST Have Codec Software to Play Video Back

Common Video Codecs on Window ComputersIndeo 5.1Cinepak (Radius)Microsoft Video 1Microsoft Windows Media 9

Well Known Codecs but Not Used as MuchDivx



AVI First Digital Video Format for Windows PCAudio / Video Interleave

Uses Key FramesWhole Picture Frame is Drawn

Rest are Delta FramesOnly Changes from Previous Frames Drawn

Apply Common CodecBe Consistent When Editing Video Together

Excellent for Editing VideoDoes NOT Stream Over InternetIndeo Codecs Must Maintain 4:3

Standard Def



Moving Picture Expert GroupHighly Compressed Video FileMPG2 – DVD StandardMPG2 and MPG‐4 Run on Blu Ray Discs

H.264 (Advanced Video Coding)MPG‐7 – Multimedia SupportMPG‐21 – Rights Expression Language

• MPG4 Uses MPG1, MPG2 and QuickTime Techniques to Compress VideoUses Lossy CompressionStreams Over the Internet

Good for Final DeliveryBad Format to Edit with



MPEG‐4 Supports H.264 CodecH.264 Also Known as AVC

Advanced Video CodingCommonly used with High Definition VideoMany Digital Video Cameras Use H.264Premiere CS4 First Version to Support H.264

Apple’s QuickTime Movie FormatExcellent for Editing on Macs

Requires Plugin for WindowsStreams Very Well Over InternetSteve Jobs Announced This as Internet Standard Video

Let’s Review This Later



Windows Media VideoWMA – Windows Media Audio

Release Date of 1999Streams Over the InternetExcellent QualityUses Windows Media Video (WMV) CodecBased on Microsoft’s MPG‐4 Compression

Codec Switches Between Lossy / LosslessSupports Variable Bit Rate (VBR) and Constant Bit Rate (CBR)Ideal for Final Delivery on Windows MachinesNot Good for EditingMay Not Run Well on Macs



iPhone Video Uses MPEG‐4

Motion Picture Expert GroupMPG2 Standard DVD VideoMedia Streams Very WellNot Good for Editing

Problems Playing Backwards / Slow MotionLossy Compression

PSP Largest Mobile Device Screen 480 x 272

Supported Video Formats on PSP:320 x 240 – 4:3368 x 208 – 16:9

Uses MP4 FormatDefault Firmware Not As Current as iPhone/iPod



Flash is a Media unto ItselfTwo Formats

FLV ‐ VideoSWF ‐ Animation

Virtually All Browsers Support Some Form of Flash

Arguable Most Used Internet Video FormatVideos on YouTube Run as Flash VideoEasy to Convert Other File Formats to FLVMost Converts Don’t Use Best Quality

FLV May Not Look as Clean



Conversions Done With Video EncoderAdobe Media PlayerStreams Very QuicklyPossible to Add Interaction to FLV Video Through SWF

Importing Video into FlashFile – Import – Import VideoOpens Video Import Wizard

When Encoding – Choose Highest Possible Quality Standards



Easiest Method of Playing FLV in FlashWindow / ComponentDrag FLVComponent on StageUse Component Inspector to Load FLVCan Add Playbar Skin (Play, Pause, Vol, etc.)

Documents

Video Rendering and Formats: Getting It Right the First Time