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Re: [Bino-list] Help wanted (bino implemented with active glasses)

From: tomas j. cantador
Subject: Re: [Bino-list] Help wanted (bino implemented with active glasses)
Date: Sun, 26 Feb 2017 11:04:40 +0100

Thank you Martin. Now, I am on holidays. But when I come back I will prove this and tell you.
Thank you again. Best regards,


El 25 feb. 2017 4:17 p. m., "Martin Lambers" <address@hidden> escribió:

On Thu, 23 Feb 2017 17:42:47 +0100, tomas j. cantador wrote:
> I am trying to use bino with active glasses.
> One question,
> How I syncronize bino with the glasses?

The graphics card and driver should do that. Use output mode "OpenGL
stereo". This is required for reliable and high-quality active stereo.

> I think that I have to use and modify the function
> display_current_frame() in the file video_output.cpp, so I would send
> to the glasses the activation signal when the left and right images
> are displayed But I do not know.

If you really really want to drive your glasses manually, use output
mode "Alternating left/right" with your 120Hz display, and in
video_output_qt.cpp function gl_thread::run(), immediately after
swapBuffer(), trigger your glasses to unblock the other eye.

Problems with this approach:
- Alternating left/right with 120Hz may not work reliably on your system
- Triggering your glasses immediately after swapBuffer may not be
  precise enough for high-quality results
- It is difficult to know which eye needs to be unblocked; it may be
  necessary to check if a swap of left and right eyes are necessary
  each time you start a video.


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