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Brandon Yates

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Posted on Sunday, May 12, 2002 - 5:27 am:   Edit PostDelete PostView Post/Check IPPrint Post

Hi all,
I'd like to start using page-flipping for 3d video.
But I am alittle confused about something.
Page-flipping is good because you have full resolution of both "pages".
But if we are talking about 3d video, what can play back something at this rate?

No single video deck can playback two video streams.

What computer can playback two video streams?
you could make a quicktime (or avi, mpeg...) movie that had two video streams in it.
I can think of two ways:
1. made a movie that had alternating frames from each camera (Left and Right), so the moive would be Left,Right,Left,Right.......
but now the moive needs to be playedback at
twice the normal speed.

2. make a movie that has one frame at FULL resolution at the top and one frame of the other camera view at FULL resolution at the
bottom. And play back at normal speed.
But this movie is now twice the resolution of a normal video stream.

So my question is what computer can playback a file this big without dropping frames?

Just who is using page-flipping for video?
and how are they doing it?

Thanks
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Richard Scullion

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Posted on Sunday, May 12, 2002 - 7:59 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Hi,

I used 3DCombine to watch watch the IMAX DVDs (converted to parallel format) in pageflipping OpenGL mode. I had to drop the resolution to 360x240 to get it to playback on an AMD Athlon 900MHz. Since the original DVDs are only at 720x240 it seems to me that the latest Athlon offerings should be more than able to cope with the stress.

Richard
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Brandon yates

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Posted on Monday, May 13, 2002 - 5:00 am:   Edit PostDelete PostView Post/Check IPPrint Post

Thanks Richard,

But I;m talking about two video streams.
To me that means 720x480(NTSC DV) per stream.

What your doing is from one video stream,
It's just a different way to show interlaced video from your 3d dvd.
Each eye is still only getting a half-resolution
video image.

I want one FULL video stream going to each eye.

What can playback such a big file?

:}

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