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Topic: Xvid Is Back (Read 16225 times) previous topic - next topic
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Xvid Is Back

...all this time they were busy, as well.

See:
www.xvid.org

Xvid Is Back

Reply #1 –
Yeah they have been back a long time. But this is the first appearance their home page has made in quite a while. I have a recent binary with Qpel, B frames, and frame dropping going and it looks quite good. The only problem oddly enough is that if you do B frames you "must" use DX50 fourcc and Divx5 to decode. ffdshow has random block grabage on Xvid B frame content and the Xvid filter itself just stutters. Here is the cool thing though. I had a 30 second cartoon clip. Encoding with 1-pass quality = 90 in Divx5 and Xvid with B frames set to 1 the clip with 44.1 mono audio at 320x240 was just over 2.6Mb. Now set the B frame max in Xvid to 8!  the clip went down to just over a MB and looks almost the same! I doubt it will be that dramatic for all content, but DAMN!

Xvid Is Back

Reply #2 –
I'v been using DivX 5.0.2 and think its great.  I havent really had the chance to look at XviD, is it better than DivX?

Xvid Is Back

Reply #3 –
In one word, "definately yes".
(but you can say that's an opinion )

Xvid Is Back

Reply #4 –
Why is it better, does it have smaller file size, better image quality, better sound, can you encode the audio with other lossy audio formats other than mp3?

How about 5.1 sound.  5.1 sound is about the only thing I have not been able to do with DivX yet!

Xvid Is Back

Reply #5 –
I'm curious for an unbiased comparison. I tested them both for my personal use 2 months ago, and DivX 5 Pro was far superior to XviD. It's possible XviD caught up since then, of course.

Xvid Is Back

Reply #6 –
Yes, it has smaller file size, better image quality, you can encode the audio with -any- codec you want and combine it with an XviD video stream.
DivX's advantage though is that it has some features XviD doesn't have, soon enough i believe such features will be added to XviD and when they will, it'll be definately noticably better than DivX.
The only limitation is software, ds filters, etc. For example, i'm waiting for Nic's next, good AAC DirectShow filter, currently it's "crappy beta 2"  i love the name. You'll be able to encode 5.1 AAC streams, combine them with an XviD video, and watch it using (ugly crappy) Windows Media Player and many other players like Zoom Player. (actually you can already do this and it'll be perfect, just not play it perfectly)

You know what, go to doom9's forum, ask in the XviD forum if XviD is better than DivX, and why, and proof, and you'll get -many- good replies ...

Xvid Is Back

Reply #7 –
Thanx for that SK1
 

Xvid Is Back

Reply #8 –
Quote
you can encode the audio with -any- codec you want and combine it with an XviD video stream.

How exactly is that an advantage to XviD? DivX5 can do this as well.

Xvid Is Back

Reply #9 –
Didn't say it's an advantage

Xvid Is Back

Reply #10 –
Quote
Quote
you can encode the audio with -any- codec you want and combine it with an XviD video stream.

How exactly is that an advantage to XviD? DivX5 can do this as well.

@ Garf.  So you're saying DivX 5.0.2 can have 5.1 aac audio?

Xvid Is Back

Reply #11 –
I don't see why not. DivX5 is a video codec. What audio codec you use and what format you mux it in is up to you.

Xvid Is Back

Reply #12 –
Both can handle ANY audio format.

Xvid Is Back

Reply #13 –
Jenny, both DivX and XviD are just video codecs. You can use them in video container formats such as AVI, OGM and the upcoming MCF. You can use any supported audio codecs in these containers such as MP3, OGG, WAV, AC3, etc as long as there are DirectShow filters written for them.

In my personal tests, XviD gave better results than DivX5. But I must confess that these were short clip tests and not full-length movie tests so I can't comment on that. Also, I'm much more experienced with XviD encoding than DivX5 so perhaps I just do not know how to tweak DivX5 properly.

Xvid Is Back

Reply #14 –
So is there a directshow filter for aac and/or ogg, as I know both support 5.1 channel audio.  If there is, where can I get it from?

Xvid Is Back

Reply #15 –
You can get the -crappy- (it really is ) AAC DS filter from Roberto's site.
And the OGG DS filters from Doom9 under Filters.
I've been reading the Doom9 forum a lot, people get extremely good results with full length movies. Better results than with DivX 5, EVEN THOUGH divx has features XviD still doesn't have. Meaning, damn XviD rocks now and is gonna really rock later .

Xvid Is Back

Reply #16 –
I might just try out Xvid + 5.1 AAC, to see what its like!

Xvid Is Back

Reply #17 –
I've heard a bird sing about hardware support for DivX in ATi graphics adapters (or something like that).

It was supposed to be very superior to software decoding, as it will run at a constant frame rate and calculate the missing frames somehow. Especially when moving the camera. But it is only a rumour.

Xvid Is Back

Reply #18 –
Now that is a big rumour, which could get ATI ahead of the game!

Xvid Is Back

Reply #19 –
Quote
I've heard a bird sing about hardware support for DivX in ATi graphics adapters (or something like that).

It was supposed to be very superior to software decoding, as it will run at a constant frame rate and calculate the missing frames somehow. Especially when moving the camera. But it is only a rumour.

I've never heard of that but I do know that ATi Radeon 9000/9000 Pro and Radeon 9700 Pro (including the rest of the comming 9x00 family) has support for Fullstream... It's a feature that smoothens out the pixels and the compression blocks... It looks really nice... The AIW version of 9700 Pro also features hardware accelerated MPEG-2 encoding which could be quite nice...

This is a picture showing off Fullstream:



The picture was made by an Rage3D member... http://www.rage3d.com/board/showthread.php...readid=33633662

Xvid Is Back

Reply #20 –
Ehhh that fullstream example leads me to belive that they are just doing a "blur" on each frame or something similar.

The only thing that appears softer are the pixelated edges of things. The compression block artifacts are still there in all their glory. Look at the constant tone of the walls of the theater to see them.

Xvid Is Back

Reply #21 –
Quote
And the OGG DS filters from Doom9 under Filters.

You would probably want to get the Ogg DS from the original source at http://tobias.everwicked.com

Xvid Is Back

Reply #22 –
i just recently did a short test, imho divx looks a bit better, but i got sh*t-frames when i put it into the ogm container with vorbis audio (i used divx502pro with b-frames), everything ok with xvid, altho if ur going for an avi file i would choose divx.
PANIC: CPU 1: Cache Error (unrecoverable - dcache data) Eframe = 0x90000000208cf3b8
NOTICE - cpu 0 didn't dump TLB, may be hung

Xvid Is Back

Reply #23 –
Take a loot at the image quality of this DivX which I did at res 720 x 4?? cant remember!



took up 2 cd with 192k audio mp3

Xvid Is Back

Reply #24 –
You can't link images from geocities... You'll have to use another host...