Videos for DGS

Creation of 3D-Videos for DGS congresses (and other stereo meetings)

To get optimal prerequisites to playback 3D videos at the DGS congresses, they should

be created with SBS layout (side-by-side without squeezing),
get a resolution of 1920x1080 pixel (for each side, so in total 3840x1080), and
should be encoded using the X.264-Codec with a maximum bitrate of 20MBit/s for the complete SBS video.
(Of cource, other codecs may work also, though the X.264 has been proven with numerous tests.
Also, there is a suitable decoder installed on the DGS video server.)
Please mark Zero Latency at the configuration window, otherwise synchronisation problems between audio and video may occur.

All needed settings are enclosed in this Cosima projekt file VideotoDGS_16-9.ini.

These are in Detail:

Output2/OutputWidth = 1920 (the frame width)
Output2/OutputHeight = 1080 (the frame height)
Video1/AviOutput = 2 (this creates an SBS video)
Video1/AviCodec = ???? (a window will open to choose the codecs)
Correction1/EstimateWindow = 4 (far point framing with far point 33 permille behind stereo window)
Output3/AutoFrameFloating = 4 (automatic floating windows counteracts stereo window violations)

Your further steps:

Open the Cosima Gui
Load projektfile VideotoDGS_16-9.ini
Load your 16:9 3D raw material (using the AviSynth script generator -
if you haven't installed AviSynth already, install at best the Cosima Complete Package).
Start (optionally) the Cosima Video Previewer.
Cut your video, define zooming and panning.
Terminate the Cosima Video Previewer (Return key).
Start Cosima with yellow button (a window will open).
Choose x.264vfw. (x.264vfw is a part of the Cosima Complete Package).
Klick on configuration...
Choose the following settings:
Press the OK button. Cosima will create your video.

If you have 4:3 raw material, change the following parameters:

Output2/OutputWidth = 1440 (the frame width)
Output3/FillWidth = 1920 (fills up to 1920 pixel by adding black pixels.)
Hint: Store your changes for later use as a new project file VideotoDGS_4-3.ini.

Another hint: If you have once configured your codec settings,
you may set from now on AviCodec = X264, because all codec settings will be automatically stored.
There is no longer at each Cosima start a query of the video codec.

General questions please ask to the Cosima Forum, special questions to cosima@herbig-3d.de