3 dtv at Stereoscopic Player and Stereoscopic Multiplexer

3 dtv. at Stereoscopic Player and Stereoscopic Multiplexer S 3 D-Today 27. - 28. November 2006 Munich, Germany

Overview § Part 1 – Stereoscopic Player § § 3 D playback on PCs Encoding 3 D movies Stereoscopic Player features Part 2 – Stereoscopic Multiplexer § § Stereoscopic Multiplexer concepts Fields of application Peter Wimmer - 3 dtv. at 2

About 3 dtv. at § Focus § § § Stereoscopic video playback Stereoscopic video recording Products Location § Timeline § § Stereoscopic Player § Stereoscopic Multiplexer Peter Wimmer - 3 dtv. at Linz, Austria www. 3 dtv. at § § Development started 2001 Completed diploma thesis in June 2004 Company founded in 2005 3

3 D Video Playback ? ! Peter Wimmer - 3 dtv. at § The questions § § § The challenges § § § Why do we need 3 D playback software? Why not use any 2 D video player? There are many 3 D viewing methods Different resolutions are required to accommodate to hardware performance The solution § § Real-time format conversion 3 D playback software 4

Real-time Format Conversion § Real-time format conversion … § § … avoids vast number of files … requires full color left and right views … gives best quality Suitable source formats L R Side-by-Side Peter Wimmer - 3 dtv. at LR Dual Files Interlaced (Field Sequential) L R Over/Under 5

Dual Files, Dual Streams § Dual files § § § Efficient use of multi processor systems Circumvent codec limitations Playback synchronization is prone to errors Performance problems when located on same media Dual streams § § § Avoid performance problem of separate files 2 D video players show the left video stream only Only available for Windows Media format Peter Wimmer - 3 dtv. at 6

Format Selection Peter Wimmer - 3 dtv. at § Stereoscopic Player asks for the format when opening a new video § Stereoscopic Player remembers settings for each file in the built-in video library 7

Stereoscopic Metadata § Fundamental idea § § It is hard for users to find out the proper layout The content creator knows the proper layout Ship video files + format description (= metadata) Stereoscopic Player … § § … reads embedded metadata in Windows Media files … reads metadata file in same folder as the video file … contacts metadata server The official metadata server is maintained by 3 dtv. at and provides settings for most commercial 3 D-DVDs and some popular video files. Peter Wimmer - 3 dtv. at 8

Creating Stereoscopic Metadata § Use the Windows Media Stereo Attribute Editor to embed metadata in Windows Media files (available for download on the 3 dtv. at website) § Click File > Export in Stereoscopic Player to create a separate metadata file (for all other formats than Windows Media) Peter Wimmer - 3 dtv. at Improve user experience – deliver your movies with metadata! 9

Creating a 3 D-DVD § Side-by-side or over/under file § § § ROM Section Field-sequential version for legacy 3 D system § § § 2 x PAL/NTSC resolution or better Embedded metadata or stereoscopic metafile 50/60 Hz TVs + shutter glasses Hardware demultiplexer + two projectors Anaglyph version § § § Video Section No stereo hardware required Limited color reproduction 4: 2: 0 color subsampling reduces quality Peter Wimmer - 3 dtv. at 10

Stereoscopic Player Viewing Methods Anaglyphs Native support Any graphics card, any display Shutter glasses Software pageflipping (ATI and Intel) NVIDIA stereo driver / Open. GL Polarized projection Native dual screen output support NVIDIA stereo driver / Open. GL And many more… Peter Wimmer - 3 dtv. at 11

Stereoscopic Player Viewing Methods § Autostereoscopic displays (dual view) § § § Native support for horizontally interlaced output Native support for Sharp 3 D displays Autostereoscopic displays (multi view) § § More than two views are required Image acquisition difficult Interpolation of images is CPU-intensive and not perfect Not supported in Stereoscopic Player yet Peter Wimmer - 3 dtv. at 12

NVIDIA Stereo Driver Configuration § Stereo driver § § Install NVIDIA consumer stereo driver Version number of graphics and stereo driver must match Configure and activate the stereo driver Stereoscopic Player § Select ‘NVIDIA Stereo Driver’ viewing method Peter Wimmer - 3 dtv. at 13

Pageflipping via Stereo Driver Peter Wimmer - 3 dtv. at 14

Native Dual Screen Output 1. Peter Wimmer - 3 dtv. at 2. 15

Dual Screen Output via Stereo Driver § § Graphics driver set to clone mode Normal 2 D operation possible Peter Wimmer - 3 dtv. at 16

Stereoscopic Player Features § General features § § § § File playback 3 D-DVD playback Capture device support Intuitive user interface IR remote control support Windows Media features § § Web stream playback Digital Rights Management Multi-channel audio Multiple audio languages Integration features § § § Command line control OLE Automation Customization tool available Peter Wimmer - 3 dtv. at 17

Stereoscopic Multiplexer Concept Right stream Left stream L R R L Combined video stream Peter Wimmer - 3 dtv. at 18

Fields of Applications § Live preview during recording § § Live broadcasts § § § Stereoscopic Multiplexer loaded in Stereoscopic Player Stereoscopic Multiplexer selected as capture device in Windows Media Encoder, running on the server Stereoscopic Player running on the client Watching 3 D recording § § Transferring left and right tape to hard disk not required Stereoscopic Multiplexer synchronizes tape drives Peter Wimmer - 3 dtv. at 19

Supported Hardware § Camcorders § § § Digital cameras § § DV camcorders HDV camcorders (next version) Industrial Firewire cameras Industrial USB cameras Webcams Others § § Analog cameras via frame grabbers Many other WDM-compatible capture devices Peter Wimmer - 3 dtv. at 20

Thanks for Your Attention Q&A Visit us at http: //www. 3 dtv. at! Peter Wimmer - 3 dtv. at 21