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Battlefield 3 PC Beta .SB archives

Read or post about compression. And decompression. Or ask questions how to decompress your files.
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Battlefield 3 PC Beta .SB archives

Post by OrangeC » Sat Jul 23, 2011 11:39 pm

Can someone help crack the new frostbite engine archives? Thanks.

http://www.megaupload.com/?d=A4GR59AG

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Re: Battlefield 3 PC Beta .SB archives

Post by Pepper » Mon Jul 25, 2011 6:08 pm

Appears to be uncompressed, search for hex value "4800000C" which is the BC2 audio tag for frequency, and it appears alot. My guess is, the TOC files have a list, since they have offest and size repeating ALOT. these files seem alot more friendly than fbrb format used previously, before hiding everything away. maybe a sign of mod tools being likely, or just most trust in the pc community. or it's just that the game's only in alpha possibly.

Edit: Oh.. sorry, I'm talking about the large Chunks0.sb and Chunks0.toc, global could be different.

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Re: Battlefield 3 PC Beta .SB archives

Post by Rick » Thu Jul 28, 2011 11:33 pm

.toc are fairly simple, they're metadata structure format (shared with other files) that have a basic id/offset/size in two sections, bundles, and chunks.

bundles have string id/int64 offset/int64 size, and point to their respective locations in the .sb file.
chunks have hash id/int64 offset/int32 size (hash = uint8[16], md5?), and also point to their respective locations in the .sb file.

chunks seem to have varying data types (image data, etc), bundles seem to be a more complicated archive format (with actual compression).
http://blog.gib.me/

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Re: Battlefield 3 PC Beta .SB archives

Post by Tosh1 » Mon Aug 01, 2011 5:39 pm

I´ve the same interest as the threadstarter but I don´t have any skills in doing this. I would be very thankful if anyone could help by providing a tool or anything comparable ;)

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Re: Battlefield 3 PC Beta .SB archives

Post by Pepper » Wed Aug 03, 2011 9:11 pm

Also very interested. (bump)

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Re: Battlefield 3 PC Beta .SB archives

Post by Vosvoy » Tue Sep 27, 2011 5:18 pm

Hi guys .

I found some " 48 00 00 0C " values in the .SB file . So , I tried to extract sounds from it , with the same technique for BFBC2 , but it did not work . Maybe we have to find an other technique ...?

Thank's dudes .

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Re: Battlefield 3 PC Beta .SB archives

Post by Pepper » Tue Sep 27, 2011 9:10 pm

bf3 and bc2 level_00.fbrb contained audio are the same or similar format, that nobody has decoded on pc yet, there are instructions for xbox, but its just ea type xma.

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Re: Battlefield 3 PC Beta .SB archives

Post by OrangeC » Tue Sep 27, 2011 10:24 pm

Yes i posted a sample in the audio section. Im checking the xbox360 version, usaully that will use Packed xma.

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Re: Battlefield 3 PC Beta .SB archives

Post by Vosvoy » Wed Sep 28, 2011 4:04 pm

Pepper wrote:bf3 and bc2 level_00.fbrb contained audio are the same or similar format, that nobody has decoded on pc yet, there are instructions for xbox, but its just ea type xma.
" Argh ... mah shame " . Sorry , but I totally forgot that we only can extract the sounds with the Xbox360 version ...

So , we have to wait for the final Battlefield 3 Xbox360 version ...
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Re: Battlefield 3 PC Beta .SB archives

Post by Pepper » Wed Sep 28, 2011 7:48 pm

I got the beta for xbox, but the tools for extracting live dlc/betas/etc dont work on the chunk file, its too big for it to handle i guess. the tool itself is called x360Tool.exe, and apears to be working on smaller dlc's/betas.

edit: worded that confusingly, the dlc/beta format is a 1.5gb numerical (4C207D8B97D4F42D1A2C2E201490E71651835FA045) file with no extension. (only 1.5gb... no caspian border on 360 maybe?) and i can see the files inside, but i can't extract the one with most of the sounds.

Oh wait (edit 2) it's working, its just going slow. REALLY slow.

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Re: Battlefield 3 PC Beta .SB archives

Post by qabRieL » Wed Sep 28, 2011 8:57 pm

Is anyone happened to extract the texts of the game?

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Re: Battlefield 3 PC Beta .SB archives

Post by Pepper » Wed Sep 28, 2011 11:33 pm

I doubt it. and why would you even want to. beta is mp only, and most of the text is on the battlelog, which is a website..

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Re: Battlefield 3 PC Beta .SB archives

Post by OrangeC » Thu Sep 29, 2011 3:30 am

Checked the beta as well and it indeed used ea packed xma. could convert audio but no music in there.

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Re: Battlefield 3 PC Beta .SB archives

Post by Vosvoy » Thu Sep 29, 2011 8:10 am

So ? It's possible to extract it now ?

Otherwise , we can wait the final version ^^' . It does not matter :wink: .

PS : If someone could send us Xbox360 Beta files , that would be nice .

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Re: Battlefield 3 PC Beta .SB archives

Post by OrangeC » Thu Sep 29, 2011 5:14 pm

Well there are no tools yet to extract it i just did it with vgmtoolbox and extracted the audio files.

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