HDTV editing for AMV's ... Whaaaaaah! ...

A forum for assistance with capturing or ripping footage from various media sources.
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Zero1
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Post by Zero1 » Sun May 27, 2007 6:19 am

A large amount of WTF in this thread.
post-it wrote:I finally bought me a Computer that can capture HD 1366 -- and THAT's where this problem really begins
What is HD 1366? It's certainly something I've never heard of, unless you mean vertical resolution (eg 1366x768).

post-it wrote:after purchasing Primere Pro 3, Magix Pro 11 & Pro 12 Video Editors, I find myself lost ... lost because the Detail and Sharp Clean Captures are washed-way in the Codec's I've tryed. ( and, yes, I've even tryed converting everything Directly to .VOB Files. )
Use a lossless codec like HuffYUV or Lagarith. Failing that, use an editable lossy codec at a high bitrate or constant quantzier mode. FFDShow is accessible via Virtualdub, it has all mentioned encoders. Also what are you doing encoding "HD" to MPEG-2 VOBs? Most encoders that do that will probably have a limit on the bitrate, since VOB is intended for DVD. If you want to use MPEG-2, try Quenc: http://dragongodz2.googlepages.com/home

post-it wrote:Sooo -- my questions are:

1) is there, or have they made an HD Editor that is simple to use?

2) are there any Codec's which will Shrink the size of the File while Retaining its clearity ( I'm not sure that "clearity" is even a relivent point with lossy encodes. )
1) There have been "HD" branded editing applications - some of which may be genuine, but largely I'm sceptical and think that all they did is add a few new preset profiles and slapped HD on the splash screen. I see no reason whatsoever why you can't use Premiere; under the VfW mode you can enter custom resolutions, so simply enter the resolution you are working with.

2) Any codec will do the job, but in varying degrees. For example you can export a very nice looking MPEG-2, if you don't mind the filesize. Likewise there's also MPEG-4 ASP (XviD), which is better, and lastly there is H.264 which gives you the lowest filesizes out of all 3 types. Clarity only really comes into question if you was aiming to create a 50MB HD AMV - because of the difference in efficiency, H.264 will retain the most detail and be least likely to block, whereas ASP would struggle and MPEG-2 would have no chance in hell. If filesize wasn't a consideration, then using Quenc (MPEG-2) at Q2, XviD (ASP) at Q2, or x264 (H.264) at Q18 give you all more or less the same quality, you will see a large discrepency in the filesizes though.

post-it wrote:... if anyone has any idea's on this problem, I think NOW would be a good time to grasp the Concept that I am currently fighting for I'm becoming confused as to How Many Products claim they can work with HD ( 2480 X 1366 ) Captures yet fail completely once purchased X_X

Normally this question would be asked by the Fan Subbers to other Fan Subbers; however, I'm hoping that ( maybe ) someone knows of a solution that even Fan Subbers might not have tested 8-)
I'd like to see these "HD" captures, or the software and hardware than can generate them; because a) it's a bastard aspect ratio, and b) it's not mod16. In a capture card I expect it to obey mod16; and I think it would be common sense for it to support common aspect ratios. Perhaps what you were "sold" and what you "got" are two different things?

Also for what it's worth, I'm a fansubber; or was a fansubber (it's irrelevant, what is relevant is that I'm pretty much still an enthusiast encoder). A lot, if not most fansub encoders don't even know the basics about video like mod16 and such; so don't fall into the trap of thinking they are the holy grail of encoders - I've seen better encodes from AMV editors on a regular basis; and that's saying something considering encoding is pretty much secondary to the AMV. Also for this kind of question, you are more likely to get a helpful response from fellow AMV editors rather than fansubbers, because fansubbers do not use non linear editors much (if at all; AVISynth excluded).

Scintilla wrote:Where the hell are you getting source footage that's at 2480x1366?
Seconded.

post-it wrote:A few of the LIVE ATSC feeds are starting to carry RAW Anime releases and I'd like to capture and Sub-Title them.

TV-Tokyo, WTBS, NAS series ... blah-blah blah-blah ... their HD is 1366 while we, in the US, are still fighting over 720i and 1080i standards.
Maybe now I'm just being pedantic; but Japan uses ISDB-T, not ATSC. ATSC is what America uses. The main difference is they use different modulation, and audio codecs (America uses AC3, and Japan uses AAC). I believe America uses H.264 + MPEG-2; though I'm not sure what Japan uses, I have a hunch it's MPEG-2 only.
Also Japan's HDTV is not 1366. It's 720p and 1080i, just like the rest of the world (and I have MPEG-2 streamdumps if you doubt me). Even if I was to completely grab at straws and say you were talking about the old analog HDTV, that still doesn't fit. Analog HDTV had 1125 lines, 1035 of those which carried an active picture (it's the same deal as NTSC being 525 line but only 480-486 of them containing an image, or PAL being 625 and having 576 active lines).

Furthermore, there is no such thing as 720i, it's 720p only. TV-Tokyo operates at 1080i. This screenshot somewhat shows that because you can see jaggies cause by interlacing (since it's basically half the resolution, ie 544 fields). The image should actually be 1920x1088 because interlacing requires mod32 resolutions, however this screenshot is 1920x1080; if you look carefully along the bottom few lines, you can see where the 8 lines of black start (in this case it would have been more than 8 lines, but that's not important), which works in a similar way to DVD, to pad 704 samples to 720.
Image
Don't ask me what this is; it's not something I captured, I just found this image on the net some time ago.

Phantasmagoriat wrote:I thought most HD stuff [we see here anyways] comes as a result of resizing and enhancements [what I did for my last vid], but maybe we'll start seeing more stuff coming from better sources. *crosses fingers*
Most of it is, in fact I wager that there are very few genuine HD AMVs. You see when I was fansubbing I was encoding and raw finding. A lot of the stuff on Japanese P2P is upscaled. The Japanese raw cappers have this strange thing about upscaling their releases, we commonly think it's just an e-penis thing, you know the biggest resolution gets the most downloads. Unfortunately Joe Average finds a "HD" raw on an English torrent site and thinks, "Great, HD AMV time", but it's usually just an upscale.

There are a few ways to tell upscales:
1) Look at the image. Is it sharp? Compare it with a series you know is really HD. Check out some .hack//Roots raws; those are true 720p.

2) If you suspect upscaling, look at the image. Do you see halos around outlines? Halos are created by resizing algorithms such as Bicubic and Lanczos. Do the lines look inconsistantly sharp or too thin? awarpsharp is a commonly used sharpening filter on the raws scene, and since it's adaptive, some lines are inconsistant in their thickness. Even the same line can vary in thickness and give it a wobbly or crumpled effect.

3) Any interlacing artifacts? 720p is meant to be progressive only, so if you spot interlacing in a 720p raw, you probably have an upscale. Check the thickness of the fields; are they one pixel thick, or is it inconsistant or blurred? Since 480>720 is 1.5x, fields will not scale nicely and get blurred by the resizing algorithm.

4) Check the resolution. 1080p is not broadcasted at all since it requires too much bandwith and power to decode, only 720p and 1080i are broadcasted. If you find a 1080p raw and it doesn't claim to be a HD-DVD or Bluray rip (or it simply says it's a TV rip or it has the channel watermark), then you've been had. 1080i will actually be 1088 lines, with the bottom 8 lines usually being black as described above, however this isn't 100% foolproof because a capper will likely crop the 8 blank lines (again, I come back to not knowing the basics about mod16/mod32 etc.) and in H.264 streams, it's possible to encode 1088 lines and specify to hide the other 8 lines.

post-it wrote:if I had a place to upload a 400 meg 5 minute capture for you to look at, I would!
( streamload seems to have some objection to THIS mpeg format ~_~ )
By all means. Make it available for me, and I'll have it working in almost any program. You probably just need a TS splitter or a non whack MPEG-2 decoder.
http://www.megaupload.com/

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Post by post-it » Sun May 27, 2007 8:25 am

Zero1 wrote: Make it available for me, and I'll have it working in almost any program. You probably just need a TS splitter or a non whack MPEG-2 decoder.
http://www.megaupload.com/
umm, I've never used this service before; it says "an Email address to send to" ?

a link to this page would actually be more useful ^__^ ... I've got a 95meg mpg standing-by to upload and my account just got confirmed.

kindly fill in the Directions on how this should be done - please 8-)

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Zero1
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Post by Zero1 » Sun May 27, 2007 1:33 pm

Go to the site at http://www.megaupload.com/

Look for the megaupload logo, to the right of it there is a text entry field and a browse button. Hit browse and locate the file, it will then begin uploading. There's no need to enter anything else because that information is optional.

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Zero1
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Post by Zero1 » Sun May 27, 2007 1:34 pm

I forgot to add that under the browse button, when you've added it, you need to tick agree and hit send

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Keeper of Hellfire
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Re: HDTV editing for AMV's ... Whaaaaaah! ...

Post by Keeper of Hellfire » Mon May 28, 2007 5:23 am

Scintilla wrote:
Keeper of Hellfire wrote:Actually, it appears the most recent version is <a href="http://www.adobe.com/products/premiere/">Adobe Premiere Pro CS3</a>.
It says you can preorder it, which means it isn't available at the moment. So it's the future version, and Pro 2 is still the most recent version. Of course, that 'll change within a few weeks (or days).

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Post by BasharOfTheAges » Mon May 28, 2007 11:58 am

Oh, wow... I thought they released all of CS3 in the end of April. =/
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Post by post-it » Mon May 28, 2007 6:46 pm

I'm trying -again- to upload it ( 15 times so far ) ... SOMEONE keeps sending something thru a back-door in my computer `killing the upload screen!??

Man, these BOT's from outerinfo & winantivirus are annoiing!
( I've already isolated 18 BOTs that are trying to "drop my Privacy Setting" to Zero!! )

I'll post-it when I've uploaded it >_<

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Post by post-it » Mon May 28, 2007 7:17 pm

if I understand this,

http://www.megaupload.com/?d=041MCDYJ

crosses fingers *__*

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Zero1
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Post by Zero1 » Tue May 29, 2007 8:50 am

I hope you realise that what you just uploaded is standard SD resolution, or did the pixies use the back door and down scaled it? For your information, it is 704x480: HD is considered to be 1280x720 or 1920x1088. Please upload the real sample, this doesn't do much for your credibility.

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Post by Keeper of Hellfire » Tue May 29, 2007 2:34 pm

I wonder what it is at all. VDM as well as GSpot show it as 704x480 at 59.94 (!) fps (and GSpot even says it is MPEG1!). MPlayer refuses to play it. VLC doesn't reveal the size, but what it claims as original size looks something like 1140x640. :? WMP claims it being 1920x1080, what would be a regular HD format, but you can clearly see that it is a shitty upscale. So I wonder what for an mysterious format it is at all.

At least, no program that I did use claimed it being 2480 X 1366. And for comparison I have made an 1080i encode with my NLE. Thats recognized correctly by VDM and GSpot, and MPlayer plays it back. Only VLC doesn't seem to play it back at the proper resolution. :? Maybe because it would exceed the screen dimensions?

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