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Some Questions about VideoTexture and 360


dsman
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I have some questions about videoTexture and 360.

1. Is there any off-the-shelf way to use cubemap video for 360? If not, can we map a video containing 6 faces to Cube mesh with UV like we do in case of simple Image texture?

2. Does VideoTexture support HLS/Mpeg-DASH/MicrosoftSmoothStreaming and their adaptive bit rate features?

3. Is it practical to stream 6 faces separately and apply them as videoTextures on six faces of a cube? And Sync them with VideoDOM element's controls (and Streaming protocol's manifests)?

 

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@Deltakosh   I checked the 360VideoDome earlier. But it mentions video must be equirectangular. I think when you said "we definitely have it", you mean one can use equirectangular video projection on a cube. 

What I am wondering is if a cubemap formatted video (6 faces arranged in a certain way) can be projected on a cube. If not off-the-shelf, is UV mapping also supported for VideoTexture?

Equirectangular mapping is not the best option for live 360 videos because it may require 10Mbps download speed for reasonable quality video (4K). 

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Ok gotcha..So yes if it is not an equirectangular then you have to play with UV

and yes videoTexture supports UV mapping like any other texture :)

I'll be interested to integrate your work if you are ok as I guess that other people could be interested by similar approach

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9 hours ago, dsman said:

Equirectangular mapping is not the best option for live 360 videos because it may require 10Mbps download speed for reasonable quality video (4K). 

I think it depends on various factors such as - what your source materials is and how you prepare your files server side. You can cut an equirectangular image exactly in 6 "faces", check your user view direction and start streaming only for a particular UV.

http://www.babylonjs-playground.com/#WZKPXM

 

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