Quantcast KVCD: Cannot Convert 104-Minute DVD to 2 Hours KVCD? - digitalFAQ.com Forums [Archives]
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08-02-2003, 12:01 PM
tienquang tienquang is offline
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I use tempgenc and kvcd template 352x480 to convert a dvd of 104 minutes hoping to fit it onto a 80min cdr. But my file always come out to more than 800M, actually 862 meg. Did I do something wrong? Do I need to tweak anything in tempgenc.


Thanks for the help.
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Someday, 12:01 PM
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08-02-2003, 12:18 PM
Jellygoose Jellygoose is offline
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You should read the guides from this site, so you'll get to know how file size prediction works, so you're able to fit every movie on one CD if you want to...
It's all about reading and learning...
Start here:

http://www.kvcd.net/forum/viewtopic.php?t=2885
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08-03-2003, 03:56 PM
tienquang2 tienquang2 is offline
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I start with,
1. DVD Decrypter to rip DVD to my HD in VOB format
2. DVD2AVI to get my ac3 and d2v files
3. Headac3he to get my mp2 file

I am stuck at Moviestacker and Tok. Can u explain the purpose of moviestacker and Tok. From what I understood, Tok is use to predict your CQ, but what for?

How do u use moviestacker anyway? I guess I am extremely confused.

Thanks...
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08-03-2003, 04:16 PM
rendalunit rendalunit is offline
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KVCD video is encoded in constant quality bitrate control mode which is much better overall video quality than constant bitrate mode- unfortunately the final filesize can't be determined beforehand like constant bitrate mode can. The setting of constant quality (cq) mode affects the final filesize of the video so this is determined by encoding samples of the video and guessing what size the full encode will be based on the filesize of the sample. The video is fed into TMPGenc via a video scripting language called AviSynth.

MovieStacker is used to create the script for Avisynth by evaluating the video and determining the length (time), resolution, framerate, etc. and you can tell it what you want the destination resolution to be and it calculates the resizing values to write the script (which is just an ascii or text file with .avs extension)

After the Avisynth script is written you load that into ToK or CQMatic and either of these programs take control of TMPGenc to repeatedly encode samples and finally encode the full video with the correct cq (constant quality) value.

hope this helps,
ren
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