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burning a dvd

B

blackinches

Senior member
blackinches is using this guide to burn a dvd from an xvid file. but when blackinches tries to use tmpgenc to convert the xvid to an mpg2, the program says the video will be about double its length. is something wrong with the tutorial, is there something wrong with the video file, or is blackinches missing something here?
 
Originally posted by: BlueWeasel
Is there a reason why you refer to yourself in the 3rd person?
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it's the only way blackinches knows how to speak. blackinches thanks you for the helpful reply.
 
Tarrant thinks this could be bad. Tarrant wonders how many people will post in the 3rd person because of this.

Tarrant is in before lock.
 
Originally posted by: Childs
an mpeg2 file will be bigger than an xvid file of the same content. mpeg4 compresses better than mpeg2.
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blackinches understand that, but for a 700mb file to balloon up to 6gb seems a little odd. not only that but it doubles the runtime of the file for some reason.
 
doubles the runtime of the file meaning the movie is now double in length ? Does it play in slow motion ? rh71 is 😕.

And it's not odd for a standard length movie to be 6GB... that's within the capacity of real DVDs. People use DIVX/XVID because of its great compression ability.
 
---------- Xiety says -----------
I wish blackinches would die
----------- Cheers 🙂 -------
 
Originally posted by: rh71
doubles the runtime of the file meaning the movie is now double in length ? Does it play in slow motion ? rh71 is 😕.

And it's not odd for a standard length movie to be 6GB... that's within the capacity of real DVDs. People use DIVX/XVID because of its great compression ability.
Click to expand...

blackinches does not know if it plays in slow motion. it just said that the runtime will be about 380min before blackinches converted the file to mp2. could the program just be wrong about that?
 
Go to the settings menu, to the Source Options tab. (I think that's what it's called) Doubleclick "Source Range" to open the Source Range menu, then move the selector to the far right. (End of the video stream) Hit "mark as end position", then hit the down arrow on the "end frame" field once. (i.e. Mark one frame from the end as the last frame to convert) After that it should list the file's runtime properly.

Also, I suggest you use the CQ encoding option, set to 100% with a max bitrate of (9848kbps - Audio bitrate). (Example: You have a 384kbps AC3 audio stream, so your max video bitrate would be 9848 - 384 = 9464kbps)

Keep in mind that to be DVD standard your video + audio bitrate should not exceed 9848kbps. I doubt most DVD players would have trouble playing it if it were, but who knows.

If this is confusing -- and a lot of times it is -- feel free to PM me and I'll try to clear it up.
 
Originally posted by: blackinches
Originally posted by: Childs
an mpeg2 file will be bigger than an xvid file of the same content. mpeg4 compresses better than mpeg2.
Click to expand...

blackinches understand that, but for a 700mb file to balloon up to 6gb seems a little odd. not only that but it doubles the runtime of the file for some reason.
Click to expand...

That's probably about right. There are many reasons why it may be that size. Which encoding method are you using? If you are using TMPGEnc all you have to do is calculate the bitrate, and hit whatever file size you want. Quality will be adjusted accordingly. You should convert 700MB movies around 4GBs, maybe more or less depending on what you are doing with the audio and menus.

Another problem is, it may not look any better at 2GBs, 4GBs, 6GBs, or 8GBs.

 
Originally posted by: Childs
That's probably about right. There are many reasons why it may be that size. Which encoding method are you using? If you are using TMPGEnc all you have to do is calculate the bitrate, and hit whatever file size you want. Quality will be adjusted accordingly.
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Unfortunately, such is not the case. TMPGEnc's VBR encoding scheme is far inferior to their CQ encoding scheme. It's really worth it to do trial-and-error trying to find the CQ value that meets with your desired filesize.

 
Originally posted by: yukichigai
Originally posted by: Childs
That's probably about right. There are many reasons why it may be that size. Which encoding method are you using? If you are using TMPGEnc all you have to do is calculate the bitrate, and hit whatever file size you want. Quality will be adjusted accordingly.
Click to expand...
Unfortunately, such is not the case. TMPGEnc's VBR encoding scheme is far inferior to their CQ encoding scheme. It's really worth it to do trial-and-error trying to find the CQ value that meets with your desired filesize.
Click to expand...

hahahahhaaha. I remember having this same argument 3-4 years ago on vcdhelp.com. To each his own. 😛
 
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