"FLAC: Audio File Passed Verification" - what about when it doesn't pass?

[garym]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

Otherwise what's the point?

Spoon is saying that this is not doing what you and others (including me) thought the function was doing. Consequently there "is no point" and in fact, he points out that he should probably remove even reporting this, as it only confuses users (just as it has confused you).

[Max Dread]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

So in what circumstances might there be "an error in our code"?

And if there were, what would happen?

And if some tracks in my rips don't have "an error in our/the code", why are they not being logged as verified?

But forgetting all that for a moment, I guess my bottom line question is: why do some tracks report as being verified and some not? Surely that must signify something or else be a bug/error? Otherwise what's the point?

I'm sorry to keep harping on but I just don't get it!

[Spoon]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

The verify is a feature to make sure there is not an error in our code, I should perhaps remove it as it does not do what people expect (it is not possible to do as people expect with Windows file caching).

[Max Dread]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

Any further thoughts please Spoon?

[Max Dread]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

Thanks for the reply Spoon, and nice to hear from you.

I must admit that I do not fully understand what you are saying though. I can confirm that even when the verify message is NOT present in the log for a track after ripping to FLAC, the same ripped track passes the "Test Conversion" without issue. So that's good...

What I do not understand is what function the "Verify Written Audio" option in the FLAC encoder has? What is it for? I presumed it was an extra level of security which checks that the rip from CD to FLAC (or perhaps just the FLAC file itself) was all good with no errors. And on top of that, that the log reported the results. So if the log is NOT telling me that the track has passed verification, how I am to interpret that? Why are some tracks passing verification and others not? What is the significance? It must be there for a reason I presume?

I'm sorry for all the questions, especially in light of the fact that the said tracks are passing the "Test Conversion" and are therefore seemingly fine.

But I still don't get this anomaly, and - as stupid as it might be - I don't like the fact that some tracks are being reported as passed verification, whilst others are not.

Just for the record, I'm using a Plextor PX-716AL to rip. I have "Drive Read Cache" set to None, and "Clear Read Cache with FUA" is ticked. Just thought I'd mention that in case it has any relevance to what you said regarding caches and memory.

Cheers

[Spoon]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

As already mentioned, the function does not function as you expect.

FLAC has never had a bug in the library where the code has corrupted the file, so you are checking for disc errors, however this verify function will never detect a HDD error because Windows caches the file. The re-read of the data comes from memory, not the HDD. The only way to correctly check your library, is to reboot your PC and convert the whole music folder to 'Test Conversion'

[Max Dread]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

OK, fair enough.

I couldn't see a sub-forum for reporting potential bugs. @Spoon, if you read this are you able to confirm it logged as a bug? Might it be addressed in the next release? Or should I start a new thread to suggest this might be a bug?

Thanks for all your help mville.

[mville]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

The behaviour seems to be random. There's no discernible pattern that I can see, and it is different tracks which are not logged as verified when I re-rip the same disc.

I believe it's a bug in the software and wouldn't waste any more of your time on it.

I haven't noticed this behaviour, but I have never really looked for it, assuming that if there were verification errors, they would be reported. Running Test Conversion on my flac library, post rip, alerts me to any corruption issues.

[Max Dread]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

Sorry for the stupidly long delay in responding. It really has been super busy here!!!

Is it the same track that doesn't get logged, or is the behaviour random?

The behaviour seems to be random. There's no discernible pattern that I can see, and it is different tracks which are not logged as verified when I re-rip the same disc.

Try disabling Panda Free, when ripping.

OK, so I tried a rip with Panda disabled ("Stop antivirus" option). It didn't help. Should I try a complete uninstall, or would "stopping" it be enough?


Just to re-iterate....

- When ripping with the multi encoder to FLAC and mp3 at the same time, if I have "Multicore" ticked, several tracks will not be logged as verified.
- But when I untick "Multicore", often all tracks will be logged as verified. When this is not so, it is usually only one track which slips through.

So "Multicore" definitely seems to have something to do with this.

Will now try some other stuff. If I don't fall asleep in front of the computer that is

[mville]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

It could take time though because it is only the occasional track that doesn't get the log, so for each tweak I might have to run a few rips.

Is it the same track that doesn't get logged, or is the behaviour random?

I'm on Windows 7 Pro (64-Bit), and I use Panda Free.

Try disabling Panda Free, when ripping.

[Max Dread]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

Thank you.

I'm on Windows 7 Pro (64-Bit), and I use Panda Free.

[mville]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

I use FLAC compression level 5. I've still had the RG and ID Tag Processing with the first set of test rips. I'll try again with the DSPs removed. And more generally I will also take the approach outlined above whereby I get a profile as close to default as possible and test with that, changing one thing at a time to try to find a culprit. So that will include "Rip to '._' files", etc. It could take time though because it is only the occasional track that doesn't get the log, so for each tweak I might have to run a few rips.

Progress might be slow, but progress will be made!

OK, good luck.

A couple of other questions, can you confirm your platform/OS and what security/anti-virus software you are using?

[Max Dread]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

It looks like Multi Encoder is the main suspect, then.

Yes, definitely. Although strange that the very occasional track still creeps through when encoding to FLAC only.

Good luck with the move!

Thanks, that's very kind of you

What flac compression level did you use? Did you use any DSPs? You used the Rip to '._' files, rename album at end , option? Any other non-default CD Ripper options in your profile, you can think of?

I can understand there being issues when Rip to = [Multi Encoder], but not when Rip to = flac.

Hi mville. I use FLAC compression level 5. I've still had the RG and ID Tag Processing with the first set of test rips. I'll try again with the DSPs removed. And more generally I will also take the approach outlined above whereby I get a profile as close to default as possible and test with that, changing one thing at a time to try to find a culprit. So that will include "Rip to '._' files", etc. It could take time though because it is only the occasional track that doesn't get the log, so for each tweak I might have to run a few rips.

Progress might be slow, but progress will be made!

Thanks again. It's great to have a supportive forum

[mville]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

Ripping to JUST FLAC (so no Multi Encoder), and to the C drive rather than the usual J drive = virtually all tracks come through with the verification notification. Just one or two didn't (out of quite a few albums).

What flac compression level did you use? Did you use any DSPs? You used the Rip to '._' files, rename album at end , option? Any other non-default CD Ripper options in your profile, you can think of?

I can understand there being issues when Rip to = [Multi Encoder], but not when Rip to = flac.

[Jailhouse]

Re: "FLAC: Audio File Passed Verification" - what about when it doesn't pass?

It looks like Multi Encoder is the main suspect, then. Good luck with the move!