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Topic: Issue ripping DVD-Audio discs (Read 829 times) previous topic - next topic
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Issue ripping DVD-Audio discs

There is not a lot of information regarding DVD-Audio ripping out there...

Not sure if this is a fb2k issue or an issue with the component, but I will start here as the component appears to be doing its main function correctly.

I'm using the latest version of fb2k with the "DVD-Audio decoder and Watermark Detector" component by manisiutkin. (foo_input_dvda-0.6.2.zip from May 11, 2023).

I followed the guide at https://yabb.jriver.com/interact/index.php?topic=119956.0 which is very simple and straightforward, however, if you look at the comments on it there were issues with the ripping.

Here is what I see it doing.  If I select one of the DVD-Audio tracks to rip to FLAC, fb2k will get it done very quickly and everything is good, sounds great.  If I select all of the tracks to convert to FLAC, the disc will read extremely slowly (read at less than 1x speed) and randomly (you can hear the laser jumping all around, but while ripping a single track you only hear the disc spinning smoothly and read at 8x speed), and looking at the way the files are being written out, it is actually trying to read and covert all of the files at the same time.  I can see that it's writing 10MB to each FLAC file everyone 30 seconds or so as it processes, but not doing it as quickly as it can do one track at a time.  Even if I just select 2 tracks, it will still try to do them simultaneously and the time estimated to complete is longer than I'm willing to wait.  Basically it can do a single 4 minute track in less than 50 seconds, but it estimates anywhere from 3 to 7 hours to do 10 tracks and it sounds like the DVD reader is going to die and I'm not sure if it would work in the end. 

I also tried copying the AUDIO_TS folder to my HDD and running the conversion from there, but it just returns in seconds that the decoder produced garbage. Also tried with an ISO of the DVD-A disc and the same garbage thing happened. Even with a single track. fb2k won't even play the audio if it's on the HDD, it only plays from the disc. This issue seems unrelated to the way it's ripping from the disc, as it can play the disc tracks and rip individual tracks just fine.

Any idea why it's trying to read and convert in parallel rather than doing each track sequentially?  Anyone else happen to use this same setup?

I don't have a ton of DVD-A discs and can just continue to do one track at a time, but I thought I'd put this question out there just in case I can do something differently to get it to do a batch properly.

Re: Issue ripping DVD-Audio discs

Reply #1 –
To avoid conversion of multiple tracks in parallel, go to "File->Preferences->Advanced->Tools->Converter->Thread count" and set it to 1.

As for copying to HDD, i guess DVD-Audio discs are encrypted, so you can't simply copy folders or make ISO as for normal disc and expect it to work.

Re: Issue ripping DVD-Audio discs

Reply #2 –
Great, that setting was exactly what I was looking for and needed to rip from the disc.

That was my first thought that the DVD-Audio copied from the disc was still encrypted, I guess I hoped that since I was able to copy it off that it had decrypted.

Thanks for your quick response.