Sounds like the program gets it right.  If someone submits otherwise i'd vote No.

The Single or Double layer info is only useful in telling me how much data is on the disc.  How much empty space is irrelevant.

Well, the rules say this:

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Dual-Layered Discs with two layers of data presented on the selected side. (i.e. RSDL)

To me that means there has to be actual "data" present on the other Layer. If not, we ignore it. If it's a blank layer not even used by anything, there is technically no data on it.

Quoting Katatonia:

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Well, the rules say this:

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Dual-Layered Discs with two layers of data presented on the selected side. (i.e. RSDL)

To me that means there has to be actual "data" present on the other Layer. If not, we ignore it. If it's a blank layer not even used by anything, there is technically no data on it.

To me the disc information is the actual information about the disc itself, not how (or where) the data was placed on the disc.  So it does not matter if that second layer is used, it matters that it is a dual layer disc. 

The disc information should be read by the program and just kept as it is.

Quoting Scooter1836:

Quote:
To me the disc information is the actual information about the disc itself, not how (or where) the data was placed on the disc.  So it does not matter if that second layer is used, it matters that it is a dual layer disc. 

The disc information should be read by the program and just kept as it is.

That sounds contradictory. The DVD Profiler program itself reads discs such as these are "Single Layer". So you're saying they are Dual Layer, but to keep them as Single Layer if that's how the DVDP program reads them?


Quoting Lewis_Prothero:

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Quoting Katatonia:

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If it's a blank layer not even used by anything, there is technically no data on it.

And how on earth am I supposed to verify that from the 4.7 GByte of Data not a single Bit has accidentally been pressed onto the second layer?

You can do that very easily. A program like DVDInfoPro can show you exactly where the data (sectors) is located at on the disc. The disc structure of a Blu-ray disc isn't really like a hard drive where there can be vast gaps in where the data resides. A Blu-ray disc has Directories and Files and these are not fragmented on a BD... there's no "single Bit" on Blu-rays that I'm aware of. If a disc is only say 23.8gb, it's not just going to skip over 1.2gb or so and put one Bit on a 2nd Layer. A typical Blu-ray disc might have 30 Directories and 295 Files for instance.

Every single instance I've seen of these, the 2nd Layer has absolutely no data on it at all as verified with multiple programs, not one single bit.

Quoting Katatonia:

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The profiler program itself always just reads these types of discs as "Single-Layer" discs, so that's how I generally enter them.

But how do you vote if they're later being changed to Dual-Layers by a contributor?

Depends on the reasoning.

Quoting tweeter:

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The Single or Double layer info is only useful in telling me how much data is on the disc.

That may be how the information is useful to you.  Not to me.

If it's dual-layered, put that it's dual-layered.  We're profiling how many layers there are, not the contents of those layers.  Any other definition of that field does NOT follow the Contribution Rules.  If you want something to tell you how much data is on the disc, then someone should request a place to enter that in a future version.

Agree with Mark.

Thank you Mark.

Are we all agreed then that this is the only place in the rules that a Dual-Layer specification appears, and a blank layer with nothing on it can equal a layer of "data" ?



I'm not seeing anything else in the rules, and it seems like we are reading that rule differently.