Patching Changes Files?

**ReTake09** · 04-08-2009,01:36 AM

When I patched a game of mine the patch completely changed the ISO. Why is the happening? Its a new game. Did they find out about ESR? And when I unpatched it it went back to normal.

**Bootlegninja** · 04-08-2009,02:01 AM

what are you talking about? please give details. what do you mean by completely changed the ISO? are you talking about from a DVD-ROM format to a DVD Video format? it's normal it's needed to be like that to work with ESR for it to boot.

**vsub** · 04-08-2009,02:45 AM

Most likely he is talking about when he patches the game and when he open the ISO after that he doesn't see the game files anymore,only a DVD-Video folders.

ReTake09 this is normal,the game files are still there but you only see Video_TS and Audio_TS folders.

**ReTake09** · 04-08-2009,07:23 AM

Sorry I was not clear enough. vsub is correct I only saw the Video_TS and Audio_TS folders. I guess the game is not ESR compatible.

**dlanor** · 04-08-2009,08:39 AM

Originally Posted by ReTake09

Sorry I was not clear enough. vsub is correct I only saw the Video_TS and Audio_TS folders. I guess the game is not ESR compatible.

No, that has nothing to do with it. All games appear this way when patched and displayed in such a way.

After the patching the disc will contain not just one filesystem file set, but two different ones.
One is the normal game file set, inside the ISO-type filesystem.
The other is a dummy DVD-Video file set, inside the UDF-type filesystem.

But most PC tools are not aware that such differing content can exist, and will only show one of the two filesystems, without even asking which one you would prefer to see. So some of them will show only the game files, and some of them will show only the dummy DVD-Video files, and in both cases that software will be doing wrong.

Only a few programs are able to deal correctly with such differing filesystem content:

ImgBurn and most other burn programs can correctly burn such ISOs to disc, though they do NOT themselves support composing differing filesystems.

IsoBuster is able to display and extract any file of any of the conflicting filesystems a disc can contain. But to my knowledge this is the ONLY tool available with such capabilities. All others that I've tried assume that all filesystems on the disc share the same content.

So if you want the ability to see all the contents of an ESR-patched disc, then you should install IsoBuster and use it for that purpose.

Best regards: dlanor

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