Backup shows (interlacing?)

[cdrips]

I've tried doing numerous searches on this and basically came up with leaving DIF4U autodetecting the source. So my DVD source is NTSC and while watching the original in PowerDVD, you can see the interlacing? I'm not sure if I'm using the term correctly, but basically you see scan lines everyone once in a while (noticeable) while you're watching the DVD. I guess it's a badly mastered DVD.

Another thing is that this is a single layer DVD movie, which would mean I didn't have to re-encode. I just wanted to see what the new Big3 would do with the interlacing. The finished result was a larger file and now there are a little less of the scan lines, however, they are now coupled with white speckles. So basically my question is, since this is only a single layer dvd, how can I get rid of the interlacing I see when I view the movie in PowerDVD (PowerDVD's deinterlace option is on btw). Is there anyway to get rid of the interlacing?

[D3s7]

if your watching the dvd via powerdvd you shouldn't see any interlacing lines..... if your watching the ripped assets, yes you will see them

the only way to get rid of them (although i'm confused why you would) would be to de-interlace which should have already been added to the .avs scripts for you (if you haven't changed your default scripts)

[cdrips]

Do you mean the actual disc? Right now I am just opening in PDVD by making an image and mounting it and playing. This gives me the interlaced lines still. I tried the default de-interlacing option and it sort of worked, however, a few interlacing remained and for some reason, where there was interlacing it shows blocking? As I mentioned before, this is a single layer dvd so file size is already small so don't need to re-encode.

This is what I mean, this was played through mounting the image before encoding

http://i3.photobucket.com/albums/y56/pwnx/Doom9/beforeencode.png

This is after encoding with default options
http://i3.photobucket.com/albums/y56/pwnx/Doom9/afterencode.png

Sorry if this is newbie stuff, but I am pretty new to backing up dvdrs.

[jel]

cdrips,

i will move this thread to the avisynth forum, where most of the gurus who know how to use avisynth to clean up encodes, hang out.

however i suggest you provide some additional information that they will need to correctly analyse this issue:

1. make a small segment/clip of the ORIGINAL source (.m2v) avaliable for download.

2. post your .avs script that you have tried so far. you will find this in your VTS_XX folder in the demux directory you pointed doitfast4u to.

good luck

j

[Velocity 7]

There are several types of different video formats you need to know about before deinterlacing. They are:

23.976 fps for FILM
25 fps for PAL
29.970 fps for NTSC

You will want to check http://www.100fps.com as well as toy around with AVISynth to find out what to do.

[cdrips]

Yea, I've done a lot using avisynth deinterlacing through divx/xvid. Been over the site numerous times, but there's one thing I'm not understanding between avisynth and dvd's. Is avisynth for dvds just like for xvid just a frameserver to encode? I'll try to get a piece of the .m2v up somewhere, but for now this is the avs for my DIF4U procedures.


import("C:\Users\Saddad\Programs\Vid\Encode\DoItFast4U\new.avs\addaudio.avs")

LoadPlugin("C:\Users\Saddad\Programs\Vid\Encode\DoItFast4U\new.avs\mpeg2dec3.dll")

Mpeg2Source("VTS__01_P01.I-TFF.4~3_1.d2v",idct=0)

LoadPlugin("C:\Users\Saddad\Programs\Vid\Encode\DoItFast4U\new.avs\decomb.dll")

FieldDeinterlace(blend=false)

AddAudio()

ConvertToYUY2(interlaced=true)

[cdrips]

After more looking around, I realized I'm an idiot sort of. When I viewed in PDVD, the de-interlacing done was based on bitstream analysis, however, when I based it soley on bitstream flags, seems it de-interlaced mostly correct. So, I guess as a correction to my question, is it always better to base de-interlacing on flags b/c I remember reading somewhere that even though there are a few badly mastered dvds that one can correct them. I don't know if this is the case though. For other movies, however, using bitstream analysis worked fine for de-interlacing.

[Boulder]

If you deinterlace in the script, remove the parameter interlaced=true from ConverttoYUY2().