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DVD on Blu-ray for set-top player?
Posted: Tue Sep 16, 2025 2:21 pm
by flojo
Could I re-author 3 DVD-9 discs into one DVD image and burn that to a 25GB Blu-ray on UDF 2.01 (or 2.5) and have a set-top Blu-ray player play it as a DVD? What really makes a DVD a DVD to a set-top player?
I know the answer is "Try It" but I don't have a set-top Blu-ray player anymore. I quickly perused the UDF 2.5 spec and didn't see a reason why not, at least not as far as the filesystem goes:
https://dev.ecma-international.org/wp-c ... r_2023.pdf
Re: DVD on Blu-ray for set-top player?
Posted: Tue Sep 16, 2025 3:09 pm
by dcoke22
If you're going to author a disc anyway, why not make it a proper blu-ray that just has 3 standard definition items to choose in the blu-ray menu? Then the set-top player will play it as a blu-ray that has SD content.
Re: DVD on Blu-ray for set-top player?
Posted: Tue Sep 16, 2025 3:56 pm
by Coopervid
flojo wrote: ↑Tue Sep 16, 2025 2:21 pm
Could I re-author 3 DVD-9 discs into one DVD image and burn that to a 25GB Blu-ray on UDF 2.01 (or 2.5) and have a set-top Blu-ray player play it as a DVD? What really makes a DVD a DVD to a set-top player?
I know the answer is "Try It" but I don't have a set-top Blu-ray player anymore. I quickly perused the UDF 2.5 spec and didn't see a reason why not, at least not as far as the filesystem goes:
https://dev.ecma-international.org/wp-c ... r_2023.pdf
Never done that and it escapes me why you would do that. I would try (if you only care for the main movies): 1) Rip all main movies to MKV. 2) Combine the 3 MKVs with MKVToolnix 3) Load the combined MKV in TSMuxer and mux to BluRay ISO 4) Burn with Imgburn.
With the whole DVD content it will be much more complicated and you will need an authoring software.
Re: DVD on Blu-ray for set-top player?
Posted: Tue Sep 16, 2025 4:25 pm
by flojo
Oh OK, I didn't realize I could use below 720p for Blu-ray. Is there a free quick and dirty Blu-ray menu creator, template based? Combining them would be O.K. I guess, although seek past the previous movie to the next would be a little awkward.
I kind of know how to use Scenarist SD, and Scenarist BD claims to be able to import SD projects, but if I have to author I'd prefer something free (non-pirated at least).
Re: DVD on Blu-ray for set-top player?
Posted: Tue Sep 16, 2025 4:39 pm
by Coopervid
flojo wrote: ↑Tue Sep 16, 2025 4:25 pm
Oh OK, I didn't realize I could use below 720p for Blu-ray. Is there a free quick and dirty Blu-ray menu creator, template based? Combining them would be O.K. I guess, although seek past the previous movie to the next would be a little awkward.
I kind of know how to use Scenarist SD, and Scenarist BD claims to be able to import SD projects, but if I have to author I'd prefer something free (non-pirated at least).
That's too much work in my opinion and a steep learning curve. But interesting if you have a lot of time.
And why do you want to do this massive work? Set-top Bluray players also play DVDs. So just make 3 copies- done.