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mug2k
Posts: 698
Location: UK
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 Posted: Wed, 6th Feb 2008 22:12 Post subject: x264 DVDrips ?? |
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Hi
I've noticed x264 rips of dvds on the http://www.orlydb.com/x264.php but there is no sign of them on usenet. I don't know anything about them but I'm guessing there pretty much similar to dvd quality and have DD5.1? . Does anyone know anything and is it likely they might replace xvid rips ?
Thanks,
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LeoNatan
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| Posted: Wed, 6th Feb 2008 22:22 Post subject: |
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Well, h264 is a leaps and bounds better than xvid/divx/any other mp4asp codec, and you can reach much better qualities in much smaller files. The reason I think they haven't really caught up in the dvdrip scene is because there are no standalone players (that I know of), that will play them. I guess when such devices become popular, you could see much more of those rips. With the h264 codec you can pretty much get a 2+hrs movie at full DVD resolution (854*364 when the DVD is anamorphic) and AC3 audio track at a 2CD files.
But by the time standalone players catch up, DVDs and dvdrips will be gone for blurayrips 
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mug2k
Posts: 698
Location: UK
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chiv
Posts: 27530
Location: Behind You...
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| Posted: Thu, 7th Feb 2008 08:43 Post subject: |
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yeah just tonight i decided to take a crack at doing some x264 rips so i can mature from xvid.. unless im doing something wrong, it isnt the same process exactly... i can only find a command line app and a GUI for it... am i on the right track? i had expected x264 to just be a normal codec like xvid is, but what ive found is way different....
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LeoNatan
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| Posted: Thu, 7th Feb 2008 09:54 Post subject: |
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 What do you mean different? What tools are you using for encoding? If you are referring to the fact there is no VFW encoder, you could use ffdshow's encoder for that. But for the best results, I'd suggest working with MeGui and AviSynth. If you're after simplicity, you could use AutoMKV and/or StaxRip.
For DVDrips, AutoMKV should be more than enough. |
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chiv
Posts: 27530
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| Posted: Thu, 7th Feb 2008 10:01 Post subject: |
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yea megui was the gui i was talking about. its just after using xvid with vdub for so long, im suddenly ending up with a program requiring command lines and its like... huh?! so yeah i grabbed megu. Ive never used an auto ripping program when i was using xvid for a few reasons, one of em is that im not a quitter who wants to easy way i intend on doing this properly... atleast it sounds like im on the right track with megui... although im having trouble updating it for some reason... data and libs wont update...
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LeoNatan
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| Posted: Thu, 7th Feb 2008 10:07 Post subject: |
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Well, like I said, if you still want VDub(Mod), you could use ffdshow's VFW encoder, which also has h264 encoding. But I see no reason why you should.
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| Posted: Thu, 7th Feb 2008 11:51 Post subject: |
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avi can't handle all the features of x264
just use a proper container
automkv is a damn good and easy to use tool for pretty much anything
having proper mkv and non-vfw codec support for vdub would be great though
it's such an awesome tool that i'm saddened by it's demise as obsolete
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chiv
Posts: 27530
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| Posted: Thu, 7th Feb 2008 12:28 Post subject: |
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i never had any intention to use avi.. i just had never used anything outside of vdub for encoding, so while im REASONABLY confident with xvid, this is my first crack at 264... should be fun 
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chiv
Posts: 27530
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| Posted: Thu, 7th Feb 2008 13:41 Post subject: |
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k just started my very first x264 encode... im sure it'll turn into a complete and utter butt fuck of a disaster, but hey... atleast its a start
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LeoNatan
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| Posted: Thu, 7th Feb 2008 15:12 Post subject: |
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I hope you are running a 2 pass encode on the high profiles... Also, try to always have the resolution height and width multiplies of 16 and later set the aspect ratio in the MKV.
If you do those steps, you should be fine... I hope you calculated enough space for the AC3 file to be muxed later.
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chiv
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| Posted: Thu, 7th Feb 2008 15:48 Post subject: |
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always do 2pass... always did with xvid, see no reason not too now
i used megui's calc tool which i included the ac3 file into it so yes it takes it into account.
guess we'll see soon enuf... 71% done on second pass.
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LeoNatan
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| Posted: Thu, 7th Feb 2008 19:33 Post subject: |
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Damn, I forgot how quick those dvdrips (at those low resolutions) get encoded. HD stuff takes looooong time lol.
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LeoNatan
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| Posted: Thu, 7th Feb 2008 20:05 Post subject: |
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Chiv, take a look at this:
http://forum.doom9.org/showthread.php?t=126164
This looks better than VDub, supports codecs that are not VFW and allows MKV editing. A dream come true? Haven't tested it yet, but I will soon and report back.
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chiv
Posts: 27530
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| Posted: Fri, 8th Feb 2008 04:50 Post subject: |
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i think i might be asking too much from the codec... let me ask u this... standard dvd rip with x264... 1 cd, 5.1 audio, leaving room for a video bitrate of 548... roughly at what size should i have the resolution in order for the video to stay crisp? im just asking this so that ill know if im doing something wrong if the quality looks like ass.
and cheers for the link im taking a look at it now.
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LeoNatan
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| Posted: Fri, 8th Feb 2008 09:31 Post subject: |
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What's length of the movie? 1CD is never recommended imo, and having 5.1 AC3 track is even worse. If you don't want to lose the 5.1, perhaps you should convert the track to AAC.
I've done 2hrs movies + 5.1 ac3 track in 1400MB in 856x364 (awful resolution I know) and they've turn out great. I've done Kingdom of Heaven DC (which is 3hrs+) with 640x272 + 5.1 ac3 track in 1400MB.
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chiv
Posts: 27530
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| Posted: Fri, 8th Feb 2008 09:41 Post subject: |
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well just realise that im testing the limits of the codec which is why im trying to add ac3 to a 1cd film... i would never normally do something like that, i just want to see what the codec can do thats all.. i understand xvid, so tell me in comparison, roughly how much better is 264 than xvid.. % wise.. that might help.
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LeoNatan
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| Posted: Fri, 8th Feb 2008 10:16 Post subject: |
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I can't say for sure, because I never ran real tests, nor do I have the expertise to tell you exact % numbers, but I don't think I'll be pushing it if I say 150%-200%.
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| Posted: Fri, 8th Feb 2008 13:34 Post subject: |
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I didn't run tests either, but is x264 really fine tuned for sub-HD resolutions? It sounds realistic that x264 could be 200% more efficient than XviD with high resolutions and bitrates since that's exactly what it was developed and optimized for. For DVD rips, I'd run some tests before I jump to conclusions.
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LeoNatan
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| Posted: Fri, 8th Feb 2008 14:13 Post subject: |
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OK, let's put it that way: Is it better than Xvid for dvdrips? Yes. Is it 200% percent better than Xvid for dvdrips like it is for HD content? Maybe, not sure.
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chiv
Posts: 27530
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| Posted: Fri, 8th Feb 2008 14:13 Post subject: |
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well if it was roughly 200% better, then a 640x272 resolution movie with ac3 with a 100 minute run time, should be able to be compressed too 700 mb, given that the same specs with xvid look fine at 1400... so im probably doing something wrong... back to the drawing board then
edit: ooooooooh simultaneous posts...
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mug2k
Posts: 698
Location: UK
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| Posted: Fri, 8th Feb 2008 15:07 Post subject: |
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You guys seem like the experts so I have a few questions :-
1. How long would it take to convert a 2hr dvd to a 1400mb x264 with ac3 ?
2. What is the correct 1:1 resolution to use when converting dvds ?
3. At 1400mb will they look as good as the dvds ?
4. What programs do you recommend ?
Thanks,
Marcus
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chiv
Posts: 27530
Location: Behind You...
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| Posted: Sat, 9th Feb 2008 13:38 Post subject: |
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im completely drunk while i was doing this, so i cant tell if this looks good or not - to mein my current state it looks fine,but you never know - what do you think.
50mb video file, a 20 nminute e pisode of gits - screen cap taken during an action sequence because those are usually the ugliest esequences during encoding - static sequences tend to look good so are usually meaningless
when i add the 5.1 aac audio, it'll come to about 100mb total. im thinking i could probably up the resolution and still hve it looking good, but in mhywobbily state it looks quite good?
k reencoded it at higher resoluioton
576x304 - same as above - 20 minutes 50mb video (excluting audio of course) - quality still looks ok to me but what do i know, imseeing 3 o f everyitng at the moment - anway as far as im concened for anime x264 is really grat... ive tried encoding anime with xvid with a 100mb tartget and they never turne d ot this good, so im pretty happy at the moment
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