HELP: no divx film can fit on a cd...

[kevingpo]

I have noticed that everytime I use Gordian Knot to convert a DVD film into Divx and select to fit 1 CD (700MB) - the final divx film is always around 10MB more. Now I got a dozen divx films between 710-720MB and none of them can fit on a CD. Is it because of the mp3 audio being added ontop of the 700MB film? I don't think so.

Anyway, what's the best way to downsize these over-large divx files? do I have to decode and re-encode them again? using gordian knot? what's the fastest way to fix this cd burning problem?

[lordsmurf]

Overburn, or use mode 2 CD burning.

[yoda313]

Hello,

Well one way to prevent this from happening is to choose a bitrate LOWER than your bitrate calculator suggests. That way you have some "wiggle" room. Since video is dynamic and can't be 100% pinned down your best to lower the target bitrate to ensure you will fit it on a cd.

And "overburn" as lordsmurf suggests.

Kevin

[dvdx_925]

i wouldn't recommend using mode2 burning and plus not all drives can read it, if it is burnt in this mode (except when burnt as a vcd/svcd).

You could also strip off the credits at the end, this will strip some megabytes off.

[celtic_druid]

It would need to be mode2 form2 to make any difference and I wouldn't recommend it if you are using avi as a container. Best way to get the size down is to re-encode from the original source. I would have thought that DivX's rate control could do a better job than +/- 10-20MB's, XviD's most certainly can. You could trim the credits off or re-encode the credits at a much higher quant and re join, that is if it wasn't set to do that already.

Another option would be to redo the audio from the original AC3 to he aac.

[kevingpo]

Btw, what exactly does mode2 (form2) overburn do? Does it just FORCE the CD burner to burn your CD no matter what size, and then when it gets to the end of the CD it says, who cares. So that means you'll have a weird cropped-off-the-end of a avi file on a CD?

[bazooka]

Your best bet would probably be to convert to vcd or svcd.

With vcd, you could put an 80 minute movie on a cd.

[monzie]

Top and tail the avi using VD and direct stream copy for both video and audio (ie chop out the pre and post titles...takes about 5-10mins max).

If you cant do that as you have no titles to cut then demux/dsc video only (no audio) /re-encode audio to lower bitrate/remux.

Max average size for an avi ON A AVERAGE CD is a true size of 703mb for a 700mb CD....but a good target size is 698 -699mb to be safe.

[kevingpo]

Cheers guys

[hhhhbk]

use auto gk
its far better and always gives decent results

for quickest way of fixing your current files which are 10-20 mb too large
options are
(1) overburn to cd with nero (can be problems certain cd disks and certain cdrw drives wont do it or put errors in the write)
(2)use nandub/virtual dub in direct stream copy to cut off the end credits (should take about 2 minutes)
(3)buy a dvdrw and then you can get 6 files which are slightly too big on 1 dvd

personally id go with option 2 and then overburn if its still a tiny bit too big

[celtic_druid]

Mode2 form2 does't mean overburning, it just means less error correction. This is how the DAT/mpg files on (S)VCD are burnt allowing 800MB's to fit on a 700MB disc. As I said though I would not recommend it for an avi.

[starbearer]

or u can always use dr divx and re-encode those files to 700 MB. it will take time though.

[yoda313]

or u can always use dr divx and re-encode those files to 700 MB. it will take time though.

Hello,

And a slight quality hit since reencoding usually results in a drop in quality.

Your best bet would be to reencode from the original source and set your target bitrate LOWER than the suggested amount. That should ensure it will fit without overburning.

Kevin

[winifreid]

Fairuse wizard is free again. You could try that if you are ripping from a disk. It will not create xvid/divx from a file on your HD unless you mount an image.

[kevingpo]

Yeah, I don't like mode 2 stuff. I tried that twice and it didn't burn properly or something.

I like doing the VirtualDubMod way, it's faster and easier. But only works for files which are only no more than 5MB more than 700MB. I do have some movies which are like 720MB and that's only the first half of the movie. You can't cut off any credits coz there is none as it's half of the movie and end's somewhere in the middle of the movie.

PS: What if I don't have the source anymore.

[yoda313]

Hello,

PS: What if I don't have the source anymore.

Then I suggest you buy it Keeping backups without the originals is WAREZ and not allowed on this site. (Unless its homemade movies ).

Kevin

[kevingpo]

Well my source is at home. And I'm at university in another city. It's annoying, but not the end.

[hhhhbk]

i have encountered not having the source anymore myself
it doesnt necessarily mean rental ran out/ original sold
its rare to keep unedited home movie footage on the cassette its recorded on often after editing only about 10% is worth keeping especially if you let people play with the camera

in response to what you can do if you have a 720 mb xvid file and have no credits that can be cut off
cant give a precise answer without knowing the length off your file but heres an example
20out of 720 is just under 3%
now say file is 60 minutes long chop off the last 2 minutes and save as a seperate file

open nandub/virtual dub
video -> direct stream copy

use mark in to select start of source file (12th button along at bottom)
then go to 3% from the end or a convenient place slightly earlier and use 13th button along (mark out) to select the end
save as avi
file name 1
will now fit on a cd


now go back into the virtual dub window select the end point from above as the start of part 2 and end point as the end of the file
save as avi
file name 2

you now have a 20mb+ leftover

if your footage spans multiple files you can use append avi segment to attach the second file you had initially to the 20 mb leftover from the first file

cut at the end off approx 6% now and you will have a second file which also fits on a cd

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seriosly though by far the easiest thing to do is buy a dvdrw they now cost under £40 and will pay for themselves after writing suprisingly few disks

25 dvd spindle £6 storage approx 100 gb after wastage at the ends of disks
price per gb = £0.06
100 cd spindle cost about £14 storage 70gb
price per gb= £0.20

let y be the number of gbs required for dvd rw to pay for itself working in £s

40 + 0.06*y = 0.20*y
40=0.14*y
y=40/0.14= 285gb

plus you get the added bonus of less disks lying around the place and less expenditure on cd holders so savings will probably come around the 200GB mark with savings of £40 for each additional 200GB

also timewise dvdwriting far quicker and can hold weird filesizes so no need for cutting

i had similar issues about 8 months back and shelled out £80 for a dvdrw to save time and not worry about cutting files or making short svcds of home movies etc
i am already "making money" compared to if i had stuck with cds
and have saved incredible amounts of time

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in future try auto gk gives me far better results never had the filesize too big and takes about 30 seconds to setup
source must be mpeg mpeg2 or vobs out of dvddecrypter

foolproof guide on auto gk here http://www.doom9.org/autogk.htm

[kevingpo]

hmm, ok

[kschang]

AutoGK is pretty accurate for me so far. I tried 4 movies so far (Rambo 2, First Blood, Ronin, and Equilibrium), only Rambo 2 went over 700 MB, and only by 1 MB.

[kevingpo]

AutoGK is good yes. AutoGK Xvid is good yes.

but I like to try AutoGK DivX5 to see if it's even better...

[kevingpo]

because divx5 is the only known most reliable for playing the divx cd on divx hardware players...
i never heard of divx 3.11 or xvid working on hardware players....

[Ai Haibara]

XVid playing works fine on mine. ^_^

Technically, DivX and XVid are close in implementation, IIRC, but I think some DVD players only check the fourcc in an AVI file to determine whether or not it'll play. (In other words, if it has anything OTHER than 'dx50', or whatever DivX formats it supports... it'll probably reject it. If it's one of those players, I mean. )