I need major help (HuffYUV, Lagarith, and AVIsynth) any help

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ForeverZeroo
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I need major help (HuffYUV, Lagarith, and AVIsynth) any help

Post by ForeverZeroo » Sun Jun 12, 2005 12:13 pm

Ok, first off please act like i'm a 10 year old, (i'm 20) because i'm really bad with computer stuff unlike alot fo you guys (i'm jealous)

anyway I needed to get rid of subtitles on some animes. I downloaded Vdub and seems to run fine. It plays without subtitles when i open it in Vdub. Problem is I think i can only put whole eps. into Vdub. I cant put in clip which i cut in Adobe. And putting a whole ep. through will take up too much space. I dont even know if the subtitles will be taken off yet, i havent had a chance to save!

First off: I have been seeing these names being thrown around; HuffYUV, Lagarith, and AVIsynth. What do they do and where can i get them? Do i need them? how do i use them?

I would go to the guides but first off i have no idea how to find them in the guides and 2nd off i find alot of the guides are out of date and/or have broken links.

also I have a few questions:
1. Could I basicly just make my music video with subtitles and then send it through Vdub and they all be taken out?

2. If i did one of those picture on picture effects (two clips happening at once, one is just a little bit see through) would it take out both subtitles out of both clips

Please help me out. Any help will be great. I plan on making a huge 12 minute AMV with about 20 animes. I really need this info. Or i'll die :( :( :(
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Post by 808-buma » Sun Jun 12, 2005 2:14 pm

Read this first. This is the most comprehensive guide for newbie AMV makers. Don't try and absorb it all at once - go over it section by section over a few days to let it sink in.

some answers, just so you don't get discouraged:

1. Virtual Dub allows you to edit your full video file into smaller clips. At the bottom of the screen there is a slider bar and a bunch of buttons below that. There are 3 controls you have to use to make clips from a bigger video files: the first is the slider bar, the second is 2 sets of buttons on the far right side that look like <-- & -->, the third are your arrow (or directional) keys ususally to the right of your main keyboard layout.

First, get to the start position of the clip you want to cut out of your bigger file by using the slider bar and your directional arrows (the slider is good for advancing quickly to the scene while the arrow keys move the image either forward or backward 1 frame at a time). Once at the start of your clip, hit the <-- key - - this is the 'cut in' or start of your clip. . Now advance to the end of your scene you want to cut (by using the slider or the arrow keys) and hit the --> button, this is the 'cut out' our end of your clip. The space between the cut in and cut out should now be highlighted in blue in the slider bar - if this is true, you've done it correctly (but note, if the clip is very small, you might not see it, so you may have to just try it and see).

Now, go to your 'File' menu and pull down to 'Save As...', name the clip and choose your compression format (at this stage, save the clip as either an uncompressed AVI or a Huffyuv compressed file if your video editor can use that compression type). Repeat as many times as required. Please note, an uncompressed AVI file (even a Huffyuv file too) are VERY LARGE FILES, so be sure if you are making a 12 minute video you have sufficient room on your HD to store all these files which average (for me) to about 1 gig of HD space per minute.


2. Huffyuv is a lossless (no quality loss when you compress/recompress) video codec that shrink video files down to a smaller size (think of it as a ZIP format for video files).

Lagarith, I beleive is also the same, but I haven't used it so I'm not sure.

AVISynth is a frame server (basically a pre-processor program) that has a lot of video tweaking capabilites to help make your video footage better. It isn't a progam that most will be familiar with because it has no GUI (graphical user interface - an image on your screen that you can interact with via a mouse). AVISynth is a COMMAND LINE program (you access it's capabilites via a text file by writing simple scripts). It all sounds sort of difficult to learn, but it really isn't. Read the guides is all I can say more about this...

3. Virtual Dub (or any of it's mods) do not REMOVE subtitles in the way you are thinking. If you play your video files you ripped to your HD and they show subtitles, they are most probably 'hard' subtitled (the subtitles are actually embeded into the video image itself rather than just 'sitting on top' of it). They cannot easily be removed without either doing some serious editing work (by digitally removing them frame by frame or by masking them) or by actually 'cutting' that portion of the video off the bottom of the screen (which you can do with Virtual Dub).

So, yes, you can create your music video file and then chop the bottom portion off in virtual dub. This will give your video a letterbox look, but you will loose the bottom portion of your video and if there is anything crucial happening there, you've just lost it.

4. yes, you can do a 'picture on picture' effect and have Virtual Dub clip off both bottom parts of the vid. Once you've crated your video file in your editer and exported it, it 'blends' all your effects, sound, video clips into one file. [/url]

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Post by ForeverZeroo » Sun Jun 12, 2005 4:48 pm

Thank you so much for all your help. I'll go over all that plus the link in detail when i have a bit more time. If you dont mind i might have questions in the future and since i understand what you mean, i hope you would be kind enough to answer them, but hopefully i wont have many.

So you basicly think i should use Huff over all?
and I'm trying to use Adobe Prem. do you know what i should save the uncommpressed file for that editer? if not i'll tinker.

Also thanks for giving me a round-a-bout size of minute/per size idea.

Since i'm using at lest 6-20 animes...its going to be alot of raw footage.

I'll try n post my progress, but finals for my college are this week so i'm kinda pressed for time :cry:

...Geez....all this tech stuff...i miss the days of windows movie maker and cartoon network DBZ, and my fatal fury DVD footage T.T
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Post by Qyot27 » Sun Jun 12, 2005 9:37 pm

808-buma wrote:2. Huffyuv is a lossless (no quality loss when you compress/recompress) video codec that shrink video files down to a smaller size (think of it as a ZIP format for video files).

Lagarith, I beleive is also the same, but I haven't used it so I'm not sure.
HuffYUV uses Huffman entropy coding, which is the same process used for ZIP files. So yes, HuffYUV literally is ZIP for video. Lagarith uses a different method (arithmetic run-length encoding, I believe), and gets the size even smaller, but at the cost of speed.
So you basicly think i should use Huff over all?
and I'm trying to use Adobe Prem. do you know what i should save the uncommpressed file for that editer? if not i'll tinker.

Also thanks for giving me a round-a-bout size of minute/per size idea.

Since i'm using at lest 6-20 animes...its going to be alot of raw footage.
If you're going to use AVISynth to edit (using the AVISynth plugin for Adobe Premiere, which is included in the AMVapp), there's a nice technique called bait-and-switch that you can use, and it won't cost you mounds of hard drive space - just the size of the VOB files you've ripped from DVD + the size of the MJPEG files you compressed using the VOB scripts.

If you're going to use HuffYUV to edit (this is what I do), your best bet is to cut small clips (like 30 seconds maximum for each clip) from your source footage. Ideally, it would be filtered through AVISynth, but VDub has tools to at least take interlacing out of the stream, so you could just use the raw VOBs also.

HuffYUV doesn't have a set datarate. It takes up what it takes up, but generally hovers around 6-8 MB/s, which would be about 360-480 megs per minute. Lagarith usually takes up between 3.5-6 MB/s, which would be about 210-360 megs per minute, but Lagarith is best used for exporting your final video (if available; my computer doesn't let me export in Lagarith from Premiere) or to archive a lossless copy of your video on CD or DVD.
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Corran
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Post by Corran » Tue Jun 14, 2005 11:27 am

Just a side note, if you ever export pure random noise out of Premiere use Lagarith, HuffYUV will crash premiere in this situation.

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Post by ForeverZeroo » Tue Jun 14, 2005 2:15 pm

So lemme get this right....no matter what i do, i need to crop the stuff. None of these programs just remove the subtitles with the picture still intact?
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Post by Scintilla » Tue Jun 14, 2005 2:35 pm

ForeverZeroo wrote:So lemme get this right....no matter what i do, i need to crop the stuff. None of these programs just remove the subtitles with the picture still intact?
That's correct, assuming you are talking about .AVI files with the subtitles hardcoded into the video stream.

But if you're talking about, say, an .OGM file, where the subtitles are a separate stream (if the encoders had half a brain), then it's much easier -- you can just demux the video stream clean and use that (after either serving it with AVISynth or converting the needed clips to HuffYUV).
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Post by ForeverZeroo » Tue Jun 14, 2005 4:49 pm

heh well the problem with that is the ogm files i DO have....well... it seems windows movie maker OR Adobe will take ogm files...

do you know of a ogm to...avi or mpeg or mpg converter?

that would help a bunch
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Post by Jnzk » Tue Jun 14, 2005 5:19 pm

VirtualDubMod should work.

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Post by Qyot27 » Tue Jun 14, 2005 5:28 pm

Janzki wrote:VirtualDubMod should work.
Also, make sure to get the lastest bugfix if you plan on using 1.5.10.1. The bugfix number is 2439. All you have to do is unpack it and replace a couple of files from the main release.

So, the two files you should get are (these links take you directly to the mirror selection pages)
the main 1.5.10.1 package
the latest bugfix (build/2439)
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