CCE keeps on trying to change my frame rate?

[friedtofublocks]

Hi, I'm really inexperienced at this stuff. I personally think it's really confusing and I would be lost without your guys' guides.

Okay, so I've been trying to convert my avi file to mpeg 2 to for a dvd, everything seemed fine until I tried using TDA and it said that I was going over the size limit for a standard dvd.

Here's a screenshot of the original avi file information. Oh and in the background is my avisynth script.



I realized that the frame rate of mpeg 2 file was 29.97. I was really baffled by this because I don't ever remember changing my frame rate. I tried everything again with CCE and here were my settings.



Using CCE I checked the properties of the file and it says that I want to convert it to a mpeg 2 file with a frame rate of 29.97 and that the original frame rate of the file was 24 fps (23.97 rounded?). Also, note the duration of the video file.



After I exited the properties, I went back to my settings and surprisingly, my settings have changed. Well, mainly the frame rate option.



Why is CCE doing this? Am I doing something wrong? Is there something I could do differently? Please help, I'd appreciate any type responses. Thank you.

[guns1inger]

Your source is 23.976 fps. You should be encoding with CCE at 23.976 fps, and using pulldown (which CCE will apply for you) to get 29.970 fps playback.

[friedtofublocks]

Thank you so much for replying. I'm sorry. I'm still confused about what to do. I want it to stay at 23.976 fps. Why is CCE converting it to 29.97?

[levick]

You have the flag for Mpeg for DVD selected, this tells CCE to make the file suitable for DVD authoring.

29.97 frames per second for NTSC or 25 frames per second for PAL depending on your needs..

Turn off that flag and you will have the control you want..You can not author a 23.976 frame video track to
DVD however...

[friedtofublocks]

Oh, thank you. That explains it. Sorry, I didn't know that. Since, I need to convert my video file to 29.97 and I'm encoding my audio file separately that would mean I'd have to convert my audio file to 29.97 as well, right? I think I can do that in Besweet, but how will the two files sync when I author them? I think I tried doing that once and the audio and video file were off.

[levick]

You do not need touch your audio file if you are changing with 29.97 frames per second. The nice trick to this is the program (CCE) is in fact writing flags for the video player, be it your computer or a DVD standalone box to follow.
These flags ask for fields to be repeated creating the extra frames needed to show your video on a standard NTSC system.

These flags will be stored with the re encoded video file CCE builds for you. The audio file by default will remain in sync with your new file...

Changing to 25 frames is a whole new ball game and you will need to "speed up" the audio to sync with the new 25 frame encoding...something I need to do in my area of the world.

[friedtofublocks]

Oh, okay cool. You're a godsend!

[guns1inger]

something I need to do in my area of the world

You should not have to. I have had to do a PAL to NTSC conversion. The ones I have done have been strictly for my own amusement/education. All your kit should happily play NTSC material natively.

[manono]

Where did you get those resize and addborders lines? Those are not the proper figures for a 496x272 source AVI.

For 16:9 encoding try:

LanczosResize(720,480)#no addborders needed

and for 4:3 encoding:

LanczosResize(720,352)
AddBorders(0,64,0,64)

What you have in your script together with 16:9 encoding is a recipe for very bad AR. Also, check your script by trying to open it in VDub(Mod) to make sure there's nothing actually wrong with the script. That 10 second duration reported by CCE makes me suspicious.

[friedtofublocks]

It really does have a very bad aspect ratio, but for some reason, I really like borders so I made them myself. I know, it's really weird. I don't know, I will probably change it later.



Okay, well I made a script that included audio or vdub won't let me open it and everything seems fine. I don't know why CCE does that, but it encodes way more than 10 seconds of video because I actually finished converting my files a few times and have played the .mpv files. Except, each time I've been going over the size limit, so this time I'm encoding my audio files separately. I don't think that will help, but I'll try it. I'd get better quality audio anyways.

Anyways, thanks everyone for your suggestions.

[manono]

You don't seem to understand. Your pic is of the unresized 720x480 video. After encoding for 16:9, it becomes even wider after being resized (to roughly 854x480) for playback. That is, it'll become even worse looking. And adding black bars where there shouldn't be any is a ridiculously stupid idea. Here's how it will look after being made into a DVD and resized:

[guns1inger]

Looks perfectly natural to me. Aren't all hollywood movies made to look like this ?

[manono]

It's a switch, isn't it? Usually people come around asking how to get rid of black bars, and here's friedtofublocks wanting to add some in.

Admittedly the pics don't show just how bad the DVD he's making is really going to look. The point could be better made with a nice big picture of a moon or something round.

[friedtofublocks]

Ew, I guess that is really bad. I'll go easy on the borders.

[guns1inger]

Borders should only be added to enforce a compliant resolution. If your resolution is already DVD compliant then you either don't need borders, or you need to crop first, then add borders.

[FulciLives]

As already stated ... in order to make a 16x9 WS NTSC DVD all you have to do is resize the original 496x272 image to 720x480 and encode as 16x9 WS NTSC.

If you are using AviSynth then you would simply do the following:

LanczosResize(720,480,0,0,496,272) or simply use LanczosResize(720,480)

If you want to account for TV OVERSCAN then you could instead use the following:

LanczosResize(672,448,0,0,496,272)
AddBorders(24,16,24,16)

Either way you are making it 16x9 WS NTSC using these figures.

You might want to try "FitCD" for this ... it's a great freeware program for correctly resizing AVI files for DVD conversion and it will make a simple AviSynth script for you.

Here is a visual example:

Original at 496x272



Resized from 496x272 to 720x480



You will notice that the aspect ratio seems "wrong" when you resize from 496x272 to 720x480 but that is because 496x272 is in square pixel resolution (proper for a computer monitor) whereas 720x480 is in a 16x9 WS NTSC ratio so it looks wrong on a computer screen but will look proper on a TV. In fact it will look like this on a TV:



I hope that helps

- John "FulciLives" Coleman

P.S.
My image of the moon comes from a different source but you get the idea

[friedtofublocks]

Okay, I'll try. Thanks for the suggestion!

[FulciLives]

Here are two good threads about using FitCD:

1.) https://forum.videohelp.com/topic296341.html

2.) https://forum.videohelp.com/topic316333.html

Sorry I didn't include these earlier but here you go

- John "FulciLives" Coleman