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Video Badly Deinterlaced. How Fix It?
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ale5000
Posted: Jun 14 2010, 06:53 PM


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What is the best filter for this work?
If someone want to help with that question, say so and I will send a pm with a link to a small part of the video.

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TBMule
Posted: Jun 18 2010, 02:03 PM


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Donald Graft´s smartdeinterlace filter
 
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jpsdr
Posted: Jun 19 2010, 08:03 AM


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Avisynth TempGaussMC_beta2, but slow.
 
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rjisinspired
Posted: Jun 19 2010, 12:00 PM


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You know, this is interesting since I have recently used Vegas for deinterlacing. I had always used Vdub for deinterlacing with success. Are you using Vegas by any chance?

I'll try to keep it short, like I always do:

Lately when I render out a video in Vegas I have noticed that either the video looks like it has more noise in it or it has different sized combing artifacts in random spots of a video like something wasn't synchronized right. Sometimes the combs looked like they were flashing right at me!

Vegas is confusing somewhat. There is a deinterlacer, options for lower, upper, or non (progressive) and the blend/interpolate option in 3 different spots in the program: in the project section, the video time-line section and also the render section.

I initially got confused until I read that the project properties for those settings only reflected rendering for the previewing video window though I am still kind of confused if I am suppose to set the video on the time-line the same as I would the rendering settings.

If I set the rendering properties for lower field, for DV, chances are I'll get that weird combing effect. If I use progressive, sometimes I get noisy video. I don't like blend mode because the video becomes too soft but yet if I use interpolate I get this jumping graininess effect.

I have used blend fields when deinterlacing in Vdub and though there was some softening, it wasn't all that noticeable and I could always sharpen by one or two points to make up for it.

Smart deinterlacer is great plugin though it won't work with the type of files Vegas has been spitting out lately. I'll have to try out the avisynth plug that was mentioned and see if that could fix the issue.

The reasons why I did things sort of arse backwards, meaning going into Vegas first instead of Vdub, had to do with capturing. In Vdub I would get certain segments that would have this weird effect of the audio starting off like a 78 record being played at 16 and then the audio revs up slowly back to its normal pitch after about 15 or so seconds.

In Vegas the first captured segment would come out with the audio track being 32000hz while the rest of the segment's audio as 48000hz. This use to drive me nuts when trying to merge clips into Vdub at a later time and since I have my slow moments at times I don't realize why I would always get an audio mismatch error.

That lead me to forget multisegment capture altogether in Vegas a while back and now I'm thinking to just skip multisegment capture in Vdub as well and try Vdub as the capture program again, deinterlacing, deshaking if needed, cutting if needed and just use Vegas for stuff like transitions, titling and other effects that Vdub isn't capable of, then save the Vegas project and just save to the final video file format.

This then leads to yet another problem. Vegas doesn't seem to like Lame mp3: "An error occurred while trying to open a codec" Going through the net for an answer to this error, I realized that Vegas has been this way all the way down to version 4 when it comes to Lame mp3 and I haven't come across any solutions for this.

Many people go as far as believing that Sony is not allowing Lame encoding through their application. I don't know the answer to that one but in some way I probably wouldn't be all that surprised if that was the case. Then again if they want to be biased like that why not prevent Xvid from working? Xvid does work in Vegas as does x264 but you aren't shown their dialogs during encoding.

In Vegas I have to save the audio as wav and then go back into Vdub and........ We get ping-ponging back and forth between programs.

Vegas can be a pig-in-a-poke. Two nights ago I could import audio but not video but then later it worked. The other night I had all black video so I went online again to a forum where someone had the answer "disable resampling" fixed! yet resampling was always enabled in Vegas, why would this have been responsible for black video? The solution was given but no reason why on the problem. All the users of that forum were worshiping the person who had the answer as a god, lol.

If it wasn't for transitions and some extra fancy stuff, I would be using Vdub all the way. Sometime the thought of going into Vegas and doing that other stuff and hoping the video comes out fine the other end and having to go back into Vdub because I can't use lame in Vegas gets on my nerves sometimes. Yeah Vegas has the visual story line where you can cut and move things around.faster but that can be done in Vdub too. It might take slightly more time to do but I would rather do that then go through the process I am now.

There. See? Told you I would keep it short.

 
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ale5000
Posted: Jun 21 2010, 12:18 AM


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Thanks for the help but I'm not expert at all about this, I have tryed many times with the suggested filters but without success.

I have sent a PM to all of you.

@rjisinspired: I don't use Vegas.

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stephanV
Posted: Jun 21 2010, 07:40 AM


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I'm not sure cause I didn't see a screenshot and perhaps you are using the wrong term, but if you mean that the video is badly *de*interlaced than non of the above mentioned filters help anything.

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VirtualDub, Input plugins and filters, AviSynth, AVI-Mux GUI, AC3ACM by fcchandler, VirtualDub FAQ
 
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TBMule
Posted: Jun 21 2010, 08:03 AM


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Hm ale5000 Spambot? I got a strange Email leading me to a Porn website which forced me to register and sign up ?
 
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jpsdr
Posted: Jun 21 2010, 05:41 PM


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stephan V may be right. I misread the thing.
If indeed it's allready de-interlaced, i think it's unfortunately too late...
 
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ale5000
Posted: Jun 21 2010, 08:50 PM


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No, I'm not a spambot, the site contain porn ads but it is just a free filehosting site (you don't need to register).

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phaeron
Posted: Jun 22 2010, 04:05 AM


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Please warn before sending links to such sites -- people might be at work or another place where it would be, um, inconvenient to view such a site.
 
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rjisinspired
Posted: Jun 22 2010, 04:18 AM


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I don't know about this sample neither. I've tried a number of Vdub and avisynth deinterlacers and none of them work with this sample.

Do you have an original?
 
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ale5000
Posted: Jun 22 2010, 07:14 PM


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QUOTE (rjisinspired @ Jun 22 2010, 04:18 AM)
Do you have an original?

What do you mean?

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rjisinspired
Posted: Jun 22 2010, 09:57 PM


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Do you have the original video or is this what you have to work with?
 
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ale5000
Posted: Jun 22 2010, 10:48 PM


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It is what I have to work with.
It is a part of the real video, but I cut it with Virtualdub in "Direct Stream Copy" so have the entire video wouldn't make any difference.

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ale5000
Posted: Jul 8 2010, 02:36 AM


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The video come from a VHS that I no longer have.
There isn't any other solution?
Is it OK also if it is a very slow solution, the important thing is that it must work smile.gif

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