need help with rezising mpeg.

[drei]

i have a coupple of rips that does not follow the dvd standards in pixelsize, and as i understand it, it has to be one of these following sizes:
352 x 288
352 x 576
704 x 576
720 x 576

my problem is that i dont know what software to use, to get one of these sizes, and still having the whole picture (not having to cut of any bits of it).

tips anyone?

[teegee420]

If you're in PAL land you don't need to resize at all.

[drei]

okay, hmm. thats weird.. cus im using "tmpegenc dvd author" to put together a collection of some BBC programs etc. but when im ready to compile the whole thing, it tells me that the pixelformat is wrong and it refuses to go on...

[FulciLives]

What format are the videos in now?

Load them into VirtualDubMod and under FILE look for FILE INFORMATION. Then post the results of ALL the files you intend to put on a single DVD disc.

- John "FulciLives" Coleman

[drei]

Okay, first of, this is the error i get in dvd author:
The video resolution of 480x576 cannot be used for a standard DVD.

Use one of the standard DVD resolutions:
NTSC : 352x240 352x480 704x480 720x480
PAL : 352x288 352x576 704x576 720x576

and this is what info i get from virtualdubmod.

VIDEO TRACK:
Frame size, aspect_ratio_information : 480x480, 23.976 fps (41708 us)
Fps, # of frames : 81193 (56:26)
Number of I, P, and B frames : 5558 / 21907 / 53728
I-frame min/avg/max/total frame size : 7434 / 33881 / 59722 (183899K)
P-frame min/avg/max/total frame size : 1284 / 13337 / 43240 (285329K)
B-frame min/avg/max/total frame size : 612 / 5634 / 27032 (295636K)
Average bitrate : 1850 kbps (226KB/s)

AUDIO TRACK:
Format : 44Hz mixed stereo, 96kbps layer II
# of frames : 129590
Total size : 39671K

that would be all.
so, what is this info good for?.. as you notice, im totaly fresh on burning DVD´s etc. (just got myself my first dvd burner )

[teegee420]

480x480 and 480x576 are NTSC and PAL SVCD's respectively. Neither resolution is compliant with the DVD spec. You should probably convert them to 352x576. This can be done with TMPGEnc Plus.

[FulciLives]

Looks like you have a NTSC format SVCD there.

To convert to DVD you need to re-encode it ... no real effective way around that.

When you re-encode you can use either 352x480 or 720x480

Also the SVCD audio format is 44.1k audio but DVD uses 48k audio so you need to also re-encode the audio.

So you need a MPEG encoder such as TMPGEnc or Cinema Craft Encoder (aka CCE BASIC) or Mainconcept MPEG encoder etc.

Also are you trying to make this into a NTSC DVD or a PAL DVD because you have a simple job if it is a NTSC DVD you want to make (since the source file is NTSC) but if you want to make a PAL DVD then you have a whole lot of a tougher nut to crack.

- John "FulciLives" Coleman

[drei]

Mainconcept MPEG encoder seemd to work really well, easy to use to!

Just one thing, hmm, the file size increased with about 3 times its origional size.. is this a "have to", or can it be compressed more? im assuming its because i converted to DVD and not SVCD.. right?

[teegee420]

You can lower the bitrate, but you risk lowering the quality. If you are using 352x576 you probably don't need any more than 5000kbps.

[reboot]

Use DVDLab to author your dvdr, and you won't need to re-encode, resize, whatever. It will simply give you a warning, then proceed to transcode/resample the audio to 48khz.

[drei]

ah, there we go!

perfect!!

thanks guys!

[teegee420]

Keep in mind that doing it that way may not work on your player. In some cases you'll only see the picture in a small portion of the screen. It's still worth a try, though.

[drei]

okay, i see.

but ill give it a try

thnx again!

[FulciLives]

Use DVDLab to author your dvdr, and you won't need to re-encode, resize, whatever. It will simply give you a warning, then proceed to transcode/resample the audio to 48khz.

This will create a non-compliant DVD that will not play in all DVD players. This is why I said earlier in this thread that there is no effective way of doing SVCD to DVD without re-encoding both video and audio.

- John "FulciLives" Coleman

[drei]

ill try that one to, thans mate!

[reboot]

True, no guarantees it will play in your standalone. Also no guarantees it will look proper on your television. It is a quick and dirty way to get the video onto dvdrw to see if it's OK though.

[drei]

hmm, dvd-lab was a bit hard to understand..

but mainconcept mpeg encoder works good if i convert to just VCD and compile it like a dvd. just one problem.. the VCD disk becomes to small in pixels (smudged graphics), and the SVCD dosnt follow the standard, so when im trying to take the easy way out (that would be not using dvd-lab), using tmpegenc dvd author and trying to compile an SVCD as a DVD, it dosnt want to due to the same problem as before, with pixelsize.

and it dosnt really seem like i can change the size of the svcd to a standard format, or have i missed something?

and i cant use a bigger size with the VCD encoding than 352 x 288, if i want to make it dvd-compile-friendly..

[FulciLives]

... and it dosnt really seem like i can change the size of the svcd to a standard format, or have i missed something?

I still never saw a concrete YES or NO as to if you want a PAL DVD from this NTSC SVCD file or if you would be happy with a NTSC DVD.

There are some special things you need to note if you are doing NTSC to PAL

But either way you can resize from the current 480x480 to either 352x480 (NTSC) or 352x576 (PAL) and that is a standard resolution for the DVD format. I see no reason to go for a VCD resolution. Makes no sense here.

As for converting NTSC to PAL ... well I don't use Mainconcept MPEG encoder so I can offer no help there.

If you have TMPGEnc Plus (the MPEG encoder program) then I can tell you how to do it.

- John "FulciLives" Coleman

[drei]

No it should be PAL since im from europe. :P

Had no idea i was doing it from NTSC to PAL tho..

and yes i have the tmpgenc plus, but if i try changing the pixelsize with the program, it always seems to drag out the picture quite alot, making some or sometimes eaven half of the picture just go out of screen.

maby i missed something? happy to get all the help there is. thank you.

[reboot]

If you're going to transcode in Mainconcept mpeg encoder, click Details, and drop the aspect (in the crop and scale section) so it's 352x480 (from 720x480 for NTSC). This will create a halfD1 video, valid as a dvd aspect.

Edit: I keep forgetting you need a PAL compliant video. Sorry.

[drei]

hmm, but for some reason i cant edit the size if im converting to SVCD. but if i convert to mpeg1/2 theres no problem with it..

[Nelson37]

That's because you are NOT converting TO an SVCD, you are converting FROM an SVCD file. SVCD has to be 480x480, or 352x480, or the PAL equivalent. DVD can be 720x480, 352x480, or 352x240. These are referred to as resolutions, pixelsize refers to something completely different.

Your filesize is controlled almost completely by the bitrate.

Get SSRC for audio sampling rate conversion. Specify it in environmental settings in tempgenc. Load your original file, specify 352x576 as output size, specify 48k for audio, use a bitrate calculator to determine the correct bitrate settings, learn about the min-max-avg bitrate settings in 2-pass VBR versus the speed of CBR, don't forget the motion search precision setting, and there you go.

Oh yes, don't forget the necessary framerate conversion, made much easier if video is natively 23fps or can be Inverse Telecined to get there, decide if you want to dupe frames or simply speed up slightly to get to 25 fps, you'll need an audio tool for the appropriate time compression.

A suggestion would be to save this one for later and sharpen your skills on a simpler project.

[FulciLives]

No it should be PAL since im from europe. :P

Had no idea i was doing it from NTSC to PAL tho..

and yes i have the tmpgenc plus, but if i try changing the pixelsize with the program, it always seems to drag out the picture quite alot, making some or sometimes eaven half of the picture just go out of screen.

maby i missed something? happy to get all the help there is. thank you.

See this is what pisses me off. I said many posts ago that you have a NTSC SVCD file. I also asked if you wanted to make a NTSC DVD or a PAL DVD.

So apparently you can't read or you are in too much of a hurry to do so. You missed what I said about the file source being NTSC SVCD and you missed my comments (more than one post) about doing NTSC to PAL.

On top of that you assume I know you live in PAL land and need a PAL DVD eventhough you typed jack shit in your location info and never really explicitly stated that you need a PAL DVD ... only until many posts did you finally make it known with some childish crap :P as if I and everyone else should have known.

I was going to post the exact proceedure to convert this properly using TMPGEnc Plus but forget it.

It's not worth my time nor effert.

I'm done with this thread.

- John "FulciLives" Coleman

[indolikaa]

We need Baldrick to make it a requirement that the general location of the member be listed. This kind of confusion happens too many times.

If you are in PAL land, and you have an NTSC SVCD, you have some issues to resolve before you will have 100% compliance.

To rehash:

* 480x480/576 is SVCD resolution. It is not authorized by the DVD Forum. It may play, but the odds are not in your favor. You are advised to TEST this on a rewritable disc before you finalize your project.

* 23.97x fps is NTSC FILM, which means you are going to have to increase your framerate by 1.03 fps to bring the video stream into PAL compliance.

* 44.1 kHz is NOT a DVD Forum standard. It will not work on a DVD.

You have three projects ahead of you. Each is dependant upon the other.