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Re: Use cases and requirements for the Media Capture Depth Stream Extension (was: RGBD and just D cameras)

From: Kostiainen, Anssi <anssi.kostiainen@intel.com>
Date: Fri, 31 Jan 2014 13:44:31 +0000
To: Benjamin Schwartz <bemasc@google.com>
CC: "public-media-capture@w3.org" <public-media-capture@w3.org>, "Hu, Ningxin" <ningxin.hu@intel.com>, Rob Manson <roBman@mob-labs.com>
Message-ID: <0FABA82E-6EAD-40E6-8AA8-FCB99E4210C1@intel.com>
Hi Benjamin,

On 30 Jan 2014, at 18:23, Benjamin Schwartz <bemasc@google.com> wrote:

> I think it would be valuable to have depth data accessible in absolute units, such as linear 16-bit millimeters, or floating-point meters.  The logical way to implement this would be as the depth component of a GL texture, which can be UNSIGNED_SHORT or FLOAT in GLES 3.0.
> 
> Unfortunately, WebGL is currently limited to GLES 2.0, which does not appear to support setting arbitrary depth component values.  Therefore, to support this use case, it might be appropriate for your Extension to include modifications both to getUserMedia and to WebGL.

Thanks for the suggestion. I updated the issues section accordingly:

  https://www.w3.org/wiki/Media_Capture_Depth_Stream_Extension#Issues

Thanks,

-Anssi
Received on Friday, 31 January 2014 13:45:18 UTC

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