Blackmagic .braw Custom File Support

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Amarbir[CDR-Labs]
Posts: 15
Joined: Mon Aug 20, 2012 7:50 am

Blackmagic .braw Custom File Support

Post by Amarbir[CDR-Labs] » Sun Apr 04, 2021 10:45 am

Hello,
We have a WDC 2TB HDD That had blackmagic .braw files .I would like to recover these in RAW format ,Can you help me add custom signatures of these files ,I have approx 7 sample files

Alt
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Re: Blackmagic .braw Custom File Support

Post by Alt » Sun Apr 04, 2021 4:02 pm

I need at least 3 sample files to do that. Where can I get them?

Amarbir[CDR-Labs]
Posts: 15
Joined: Mon Aug 20, 2012 7:50 am

Re: Blackmagic .braw Custom File Support

Post by Amarbir[CDR-Labs] » Sun Apr 04, 2021 10:13 pm

Alt wrote:
Sun Apr 04, 2021 4:02 pm
I need at least 3 sample files to do that. Where can I get them?
Hello,
You Tell me how you want to get them and i will promptly send them ,Please let me know ...
PS : I have sent you a pm for google drive

Alt
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Posts: 2701
Joined: Tue Nov 11, 2008 2:13 pm
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Re: Blackmagic .braw Custom File Support

Post by Alt » Mon Apr 05, 2021 2:11 pm

Amarbir[CDR-Labs] wrote:
Sun Apr 04, 2021 10:13 pm
Alt wrote:
Sun Apr 04, 2021 4:02 pm
I need at least 3 sample files to do that. Where can I get them?
Hello,
You Tell me how you want to get them and i will promptly send them ,Please let me know ...
PS : I have sent you a pm for google drive
I downloaded the files from Google Drive. They are huge and I need some time to analyze them.

Amarbir[CDR-Labs]
Posts: 15
Joined: Mon Aug 20, 2012 7:50 am

Re: Blackmagic .braw Custom File Support

Post by Amarbir[CDR-Labs] » Mon Apr 05, 2021 7:33 pm

Alt wrote:
Mon Apr 05, 2021 2:11 pm
Amarbir[CDR-Labs] wrote:
Sun Apr 04, 2021 10:13 pm
Alt wrote:
Sun Apr 04, 2021 4:02 pm
I need at least 3 sample files to do that. Where can I get them?
Hello,
You Tell me how you want to get them and i will promptly send them ,Please let me know ...
PS : I have sent you a pm for google drive
I downloaded the files from Google Drive. They are huge and I need some time to analyze them.
Thanks ,
I have also added those samples to your FTP

Amarbir[CDR-Labs]
Posts: 15
Joined: Mon Aug 20, 2012 7:50 am

Re: Blackmagic .braw Custom File Support

Post by Amarbir[CDR-Labs] » Wed Apr 07, 2021 12:29 pm

Hello,
Any Update in This Regard Please ? .

Alt
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Posts: 2701
Joined: Tue Nov 11, 2008 2:13 pm
Contact:

Re: Blackmagic .braw Custom File Support

Post by Alt » Wed Apr 07, 2021 2:32 pm

Amarbir[CDR-Labs] wrote:
Wed Apr 07, 2021 12:29 pm
Hello,
Any Update in This Regard Please ? .
Not yet. I'm working on that.

Amarbir[CDR-Labs]
Posts: 15
Joined: Mon Aug 20, 2012 7:50 am

Re: Blackmagic .braw Custom File Support

Post by Amarbir[CDR-Labs] » Thu Apr 08, 2021 3:26 am

Alt wrote:
Wed Apr 07, 2021 2:32 pm
Amarbir[CDR-Labs] wrote:
Wed Apr 07, 2021 12:29 pm
Hello,
Any Update in This Regard Please ? .
Not yet. I'm working on that.
Hello,
Let Me Know If You Need More Samples ...

Alt
Site Moderator
Posts: 2701
Joined: Tue Nov 11, 2008 2:13 pm
Contact:

Re: Blackmagic .braw Custom File Support

Post by Alt » Thu Apr 08, 2021 9:42 am

Amarbir[CDR-Labs] wrote:
Thu Apr 08, 2021 3:26 am
Hello,
Let Me Know If You Need More Samples ...
There are enough samples, the problem is that the files are huge and therefore they are difficult to analyze.

Alt
Site Moderator
Posts: 2701
Joined: Tue Nov 11, 2008 2:13 pm
Contact:

Re: Blackmagic .braw Custom File Support

Post by Alt » Thu Apr 08, 2021 3:21 pm

There's a problem I've run into. The files you sent to me have different ends. 5 of them have the same end, the rest 2 files have different ends. So, my solution is the following.
1. First, scan the disk with the following description file:

Code: Select all

<?xml version="1.0" encoding="UTF-8"?>
<FileTypeList version="2.0">
    <FileType id="50003" group="BRAW" description="braw file type 1" features="" extension="braw">
        <Begin combine="AND">
            <Signature>\x00\x00\x00\x08\x77\x69\x64\x65</Signature>
            <Signature offset="11">\xF8\x6D\x64\x61\x74</Signature>
        </Begin>
        <End combine="OR">
            <Signature offset="8" from="end">\x00\x00\x09\x73\x6B\x69\x70\x00</Signature>
        </End>
    </FileType>
</FileTypeList>
This will find the files with this most popular end.
2. Then scan the disk with the next description file:

Code: Select all

<?xml version="1.0" encoding="UTF-8"?>
<FileTypeList version="2.0">
    <FileType id="50003" group="BRAW" description="braw file type 2" features="" extension="braw">
        <Begin combine="AND">
            <Signature>\x00\x00\x00\x08\x77\x69\x64\x65</Signature>
            <Signature offset="11">\xF8\x6D\x64\x61\x74</Signature>
        </Begin>
        <End combine="OR">
        </End>
    </FileType>
</FileTypeList>
This will find all braw files, including the braw file type 1 ones, but without clear file ends.
Turn off all file systems on the Scan dialog box and leave only BRAW file types enabled on the Known File Types box.
As I understand, these files are huge, chances are high that they are fragmented, so success isn't guaranteed.

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