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Old 25th October 2010, 17:18   #21  |  Link
JK1974
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You can integrate the MVC decoding script into the side-by-side script. The main disadvantage is, that the MVC decoding seems to stop a few frames before the AVC decoding which causes e.g. VirtualDub and x264 to crash short before the end of the decoding. However, if you use single pass encoding, you can ignore the x264 general protection fault and mux it without problems with MKVmerge GUI.
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Old 26th October 2010, 02:20   #22  |  Link
Limobar
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I don't mind to use crf encoding, so I tried to merge the two scripts, but without success. MeGUI gives me an undescribed error.

This is the script I tried:

Code:
LoadPlugin("H264StereoSource.dll")

VideoLeft = directshowsource("I:\BDMV\STREAM\00001.m2ts", audio=false)
VideoRight = H264StereoSource("decoder.cfg",135266)
VideoStacked = StackHorizontal(VideoRight,VideoLeft)
ConvertToYV12(VideoStacked)
lanczosresize(1920,1080)
MeGUI shows the 50% point of the video when you load the script. What I can see, is that the left side of my screen starts from the beginning of the video and the right side of my screen shows the 50% point of the video.

Please, help me to correct my script.
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Old 5th November 2010, 03:00   #23  |  Link
Limobar
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I have another question about 3D.

One of the 3D techniques/methods is Side-By-Side (SBS). There is full-SBS (3840x1080 / 1920x1080 per eye) and half-SBS (1920x1080 / 960x1080 per eye).

I wonder what's the use of full-SBS, when our current televisions can only handle 1920x1080? I can only imagine that the television processes (cuts in two parts?) the bigger than resolution input once the 3d-button has been pushed, to make use of it.

Can somebody please explain how SBS works?
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Old 5th November 2010, 09:03   #24  |  Link
crl2007
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There are projectors for higher resolutions and multi-monitor solutions. More info here.
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Old 5th November 2010, 09:33   #25  |  Link
Limobar
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Thanks for your answer and the link. Lots of interesting information, but I'm still not able to answer my question about the use of full-SBS (3840x1080) on a 1080p (1920x1080) television.

Is it possible that my television (Samsung PS63C7700 plasma) uses 50% of the resolution (1920x1080) per field (120 Hz, 60 fields per eye/second)?
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Old 6th November 2010, 18:02   #26  |  Link
crl2007
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Of course. The image is resized for your display keeping the AR. But not to worry, you'll never loose quality. It's like watching 1080p movies on 720p ready tv sets.
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Old 6th November 2010, 18:21   #27  |  Link
Limobar
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Quote:
Originally Posted by crl2007 View Post
It's like watching 1080p movies on 720p ready tv sets.
I don't think that's the same. Watching 1080p on a 720p television will give you inferior 720p quality. Assuming that watching a 3840x1080 SBS encode will give me the same quality as watching a 3D Blu-Ray.
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Old 6th November 2010, 20:52   #28  |  Link
crl2007
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If you encode something, automatically there is loss of quality.
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Old 6th November 2010, 21:08   #29  |  Link
Limobar
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Quote:
Originally Posted by crl2007 View Post
If you encode something, automatically there is loss of quality.
No, that's not always the case. You can encode lossless and keep the exact same quality.

Going from 1080p to 720p, using a real 1080p source, will certainly lead to a quality loss.


Let's go back to my original question:
I wonder what's the use of full-SBS (3840x1080), when our current televisions can only handle 1920x1080?
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Old 6th November 2010, 21:27   #30  |  Link
crl2007
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Lossless if you have a TB HDD just for one movie.

And I just told you that there are projectors with much higher resolutions.
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Old 6th November 2010, 21:59   #31  |  Link
Limobar
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It's not even close to 1TB for a single lossless movie. Most of the animation movies are not even 100GB when you encode them lossless with x264, using a Blu-Ray as source.

Without a doubt there is equipment that's able to output higher than 1080p resolutions, but that has nothing to do with full-SBS encodes and how they are meant to be processed.

This is how I think it works, but because I'm not sure, I want someone to confirm or to invalidate my assumptions. A 3DTV receives a 3840x1080 input @ 60Hz and, once the 3d button of the television has been pushed, outputs it as 1920x1080 @ 120Hz (60 fields per eye / second).
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Old 7th November 2010, 09:45   #32  |  Link
crl2007
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And all other movies ? 200-300 GB at least. I gave you a link how it works. I'll give you another one. Read here.
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Old 8th November 2010, 12:48   #33  |  Link
JK1974
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I think, full-sbs might be possible if you have an appropriate software player. But here it is also assumed that the player can output it in an appropriate way using HMDI.
Thinking about blu-ray players and streaming clients, I donīt think that full-sbs is the way to go. Furthermore, as 3D-TV also uses half-sbs, I think that this is some kind of pseudo-standard even in the 3D community as long as there is no (free) MVC encoder and an upgraded player that allows to playback MKVs with AVC+MVC embedded.
VLC currently even does not even allow anaglyph playback of half-sbs videos, and besides PowerDVD, TMT and Stereoscopic player, I donīt know any other alternative player that is capable of playing 3D content.
So I donīt think that there is an alternative to half-sbs in the near future if even half-sbs is currently "difficult" to be played back (for free) in 3D.
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Old 9th November 2010, 12:58   #34  |  Link
Limobar
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After demuxing a Blu-Ray with 3D content, the left eye and right eye have completely different sizes. The right eye is about 50% of the left eye. Does anybody have an idea why this is? Is it maybe because, even though it has been demuxed, the right eye is not the same kind of file as the left eye?
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Old 9th November 2010, 13:10   #35  |  Link
digitalvideo
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Limobar,

It's normal because right only code the change from left side
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Old 9th November 2010, 15:43   #36  |  Link
Limobar
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That makes sense. That is why the MVC decoder needs the left eye stream, when it decodes the right eye stream.

Thanks for your answer.
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Old 18th November 2010, 22:10   #37  |  Link
bayex
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I demuxed the video but cant remux right eye stream to mkv. DGAVCDec, mkvmerge does not work.dss extension can not turn with h264, I can not encode lossless. H264StereoSource does not work. What can I do?
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Old 18th November 2010, 22:17   #38  |  Link
GRKNGLR
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Quote:
Originally Posted by bayex View Post
I demuxed the video but cant remux right eye stream to mkv. DGAVCDec, mkvmerge does not work.dss extension can not turn with h264, I can not encode lossless. H264StereoSource does not work. What can I do?
I have same problem too.
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Old 19th November 2010, 01:38   #39  |  Link
Limobar
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It's correct that you cannot remux the right eye stream. You have to encode it before you can remux it. To encode it, you need a decoder for it and that's when you use the MVC decoder.

The guide by crl2007 is pretty straightforward. Do exactly what he says and it should work.
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Old 19th November 2010, 06:55   #40  |  Link
wa0006
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Sometimes work, always crash!
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