very large file size?

[doby]

hi all

heres my problem, over the last few weeks i have been converting avi to dvd using dvd2svcd (one-pass), all the conversions have been fine until recently when i had to reinstall everything,im sure everything is setup up the same way as before but im now being left with a mpg file thats about 3 gig in size from a sngle divx, xvid encoded avi. before a movie would finish encode around the 1.2GB or slightly more.

anybody got any ideas, is it something in me settings?

[Manngo]

What is the problem exactly? A 4Gig mpeg file? A DVD disc has a capacity about 4480 Mb. A 4Gig mpeg is perfect for it. Maybe You had bad settings before reinstalling?

If your problem is not this, you should post You logfile.

[doby]

that is exactly the problem a 4gig file from a 7000mb divx encoded avi, mmmmm i think strange, seeing as before they were approx 1.4 gig after encode which would equal 3-4 movies a disk like i was doing before.

and my log file well i would have posted it if thought it may have been any use manngo, but ill post the next1

what is the point in using 4gig for a single divx movie when it shouldnt need this amount of space IMHO i think its something to do with the rencode bitrate settings, would this be right?

[Manngo]

A 700 MB avi with mpeg4 (Xvid,DivX) is about 90-100 min. DVD video is encoded mpeg2. That is the difference. You can encode with mpeg2 to the size about 1,4 GB, but quality will be much worse than the source. Unfortonately didn't you do multiple SVCDs on one DVD, before reinstalling? If yes, choose SVCD as output on the misc tab, and set CD size to 1400 Mb on the bitrate tab. You will have than a single 1,4 Mb SVCD compliant mpeg file. Using 3 files like this when creating DVD, the result will be 3 movies on one disc.

[doby]

right i got u yes before the reinstall i was encoding to svcd, but then got a dvd burner and set dvd2svcd to dvd output, then i was getting the 1.4gig a movie without a loss in quality, nothing noticeable when played back in standalone player.

for example i recently got a movie which was in 3 parts (3x700mb), now i rencoded these parts and fitted them all onto 1 dvd with NO Loss in quality and with space still on the dvd?

now i cant do this now because 1 part would just about fill the dvd?

and i dont think they were encoded as svcd's because they were actually played back in a dvd player that CANNOT play vcd, svcd?

and the loss in quality this would maybe happen if the reencode was of lower bitrate than the source but this aint the case? no need to reencode with a max average bitrate of 7200 is there? is this the problem?

also if was encoding to svcd before, wouldnt this have caused tmpegnc dvd author some sort of problem when i was buliding the dvd?

right ive had a wee think about it, heres what im going to try, my source avi's are meant for svcd so they have max bitrate of about 2800ish, so i encode them as dvd using a max bitrate of 3000 which should be NO loss in quality and maybe give me the file sizes im looking for, what ya think guys?

because the last few that i have encoded have been with a bitrate of 6000ish i think, this may be the reason for the increase in filesizes? and there is no point really reencoding with a bitrate of 6000 if the source bitrate is 2800ish is there? mmm me wonders, damn have to wait another 4 hoursish to find out lol

any input would be nice guys mucho thx!

[doby]

ok scrap all that, it never worked the file size was the same lol

but was thinking about what manngo said about me having encoded them as svcd by mistake if this was true wouldnt i have to do the header trick to them so that tmpegnc dvd author would accept the svcd mpgs? this never happened?

any help oot there plz guys much thx!

and also if i had done this before why did it play back in a standalone that isnt compatable with vcd, svcd?

i'm sure that i red somewhere that for the svcd header trick to work the standalone also has to be able to playback vcd, svcd?

[Manngo]

right ive had a wee think about it, heres what im going to try, my source avi's are meant for svcd so they have max bitrate of about 2800ish, so i encode them as dvd using a max bitrate of 3000 which should be NO loss in quality and maybe give me the file sizes im looking for, what ya think guys?
Some problem with this. The bitrate means how many bits (data) are transferred in 1 sec. The higher compression means more information at the same bitrate, yeah? Your AVI is divX or Xvid, these makes higher compression than Mpeg2. That's why You loose quality. A 1000 bps in avi can be equal 6000 bps in mpeg2 (but measuring quality is not a easy thing).

now i cant do this now because 1 part would just about fill the dvd?
DVD2SVCD always calculate to use the whole disc, to fill it to the edge, becouse more space used means higher bitrate, that means better quality. 1 inputed AVI will be 1 DVD size. You can merge your avis and add it to DVD2SVCD in order to get one 4,7GB DVD as a result.

right i got u yes before the reinstall i was encoding to svcd, but then got a dvd burner and set dvd2svcd to dvd output, then i was getting the 1.4gig a movie without a loss in quality, nothing noticeable when played back in standalone player.
So, Your problem is the difference between the SVCD and the DVD?

[r6d2]

Originally posted by Manngo
You can merge your avis and add it to DVD2SVCD in order to get one 4,7GB DVD as a result.You can also select a smaller media size to make several movies fit in 1 DVD.