Installed on new machine - crash

[jolson]

Since I got some XviD codec problems on my "ordinary" machine, I installed DVD2SVCD (with D2SRoBa) and CCE (same as on my ordinary machine) on another machine. ASPI is installed and working.

I want to do an AVI --> DVD conversion, as is what I usually do. The AVI file I try with is tested working in Mediaplayer Classic, and all settings in DVD2SVCD are (as far as I can se) identical to those on my ordinary machine. Both machines run XP. DVD2SVCD has been workin before on this "extra" machine, but it was a while ago and something installed after that may have spoiled something...

I have the setting "Do not convert audio" checked, to retain the 5.1 AC3 audio from the original file.

However, I don't come very far...:

- AUDIO Extraction
--------------------------------------------------------
Checking C:\AVITest\Output\Audio\Extracted_audio_1.ac3
I/O error 998 Invalid access to memory location

It leaves me with an empty Extracted_audio_1.ac3 and a temp.ac3 containing the audio from the AVI file. I have "test listened" that and hear nothing wrong.

I will try with another AVI file, but apart from that - what can I do to find the error?

[jolson]

Checked another file and got the same error, "must" be something that has gotten wrong with the installation, I thought. Be a reinstall av DVD2SVCD/D2SRoBa didn't help. I will check settings and everything again.

[ChickenMan]

In the Audio Tab of D2S, I have substantially less issues with audio extraction when the "AVI Audio Extraction" option is set to Internally, rather than the default VFW (audio <2db) option. Give that a try.

[jolson]

Thanks, will do that.

For information, the second file I tried is a file that is tried and working before. With the default setting for AVI Audio Extraction.

[jolson]

No, it made no difference. And the extracted audio file seems OK in both cases (and of the same size).

What is done during that "Checking" of the audio, and which program performs the check?
Does anyone know what "I/O error 998 Invalid access to memory location" can be caused by?
What "offending" filter/codec/program can I have installed that may be a problem here?

[jolson]

More testing and searching leaves me no closer to a solution...

What I can say is:

* I have now tried on two computers, both this newly installed and an old, slow portable where DVD2SVCD was already installed. The status of that old portable is a bit iffy (I mostly keep it because I need a portable with a serial port), but at least it says something because I get exactly the same problem.

* I have tried with three AVI files, including one I already converted with DVD2SVCD.

* Selecting "AVI Audio Extraction" VfW or internal makes no difference.

* Selecting to retain audio or have it converted to MP3 makes no difference.

On the German doom9 forum I found a person with the same problem, though no solution:
http://babelfish.altavista.digital.com/babelfish/trurl_pagecontent?lp=de_en&trurl=http%3a%2f%2fforum.gleitz.info%2fshowthread.php%3fs%3d2c96369bddc24625ea8bb76985dd17d5%26t%3d32955

The two computers are not connected to the same network, and both have (different) anti-viral programs that are updated, so I don't think it's virus related.

My guess it's an update of an "innocent" app / codec / filter / Firefox plugin (or whatever) that has been done between I last successfully ran DVD2SVCD and now, when I can't get it to work anywhere. The problem is that it was a while since I ran DVD2SVCD, so it's hard to find out what has changed.

[jolson]

Also here, someone recently got the same error:
http://www.videohelp.com/forum/archive/t220351.html

One of my machines use WinXPSP2, the other Win98SE. Otherwise one could have thought that a recent Windows Update f*cked something up...

Most places that mention the error come to the conclusion that it's some error when open/close/reopen files, write cache problem, bad file seeks and similar. Or even a bugin Windows NT:
http://support.microsoft.com/kb/159090/en-us
Those are things that would indicate the error to be inside DVD2SVCD (it hasn't called any helper program like BeSweet yet) - but a DVD2SVCD that hasn't been changed for ages must be the least likely culprit...

More likely something mangled in the Directshow chain - what do *you*, who has AVI/AC3-->DVD working, for filters?

[jeffy]

Is there any possibility the original AC3 file has some bad frames?

Suggestions: VirtualDubMod, demux track, fix it, join again, retry:
http://www.free-codecs.com/download/ac3fix.htm

or BeSliced
http://www.afterdawn.com/guides/archive/extract_ac3_from_avi.cfm
http://www.afterdawn.com/faq/software_problems/bad_ac3_dvd_lab.cfm

You said that even the file that worked before, doesn't work now. I would suggest checking the RAM with MemTest. It probably is not your memory, but who knows? I have seen bad RAM causing each time a different MD5 sum for a file, yet not causing the PC to BSOD for long hours. :eek:
http://forum.doom9.org/showthread.php?p=971496#post971496
http://forum.doom9.org/showthread.php?p=962040#post962040

[jolson]

Thanks, I will try all your ideas, even though most possibilities are ruled out. But it's often, when you have a strange error, something you "ruled out" that is the problem...

I have tried several files, including one file that has worked before. I have tried on two machines, including on one machine where DVD2SVCD has worked before...

But maybe most AC3 streams have some small errors, and something newly installed in the DirectShow chain makes DVD2SVCD crash instead of ignoring them...(?)

[jolson]

I don't want to take any "wins" out in advance, but right at the moment the problem is gone. :)

It might have something to do with the Windows XP Explorer bug with preview of media files, though I have not heard it should be a problem with .ac3 files - it's AVI's you read about.

Anyway, I had recently acquired (yes, maybe M$ re-implemented their old bug!) the problem with moving/deleting AVI files. The problem where Windows Explorer Preview (even if you don't use it) locks the file ("The file cannot be deleted because some other program is using it").

I fixed that by "installing" an .inf file with the following:

[version]
signature="$Windows NT$"

[DefaultInstall]
DelReg = Reduce.Reg

[Reduce.Reg]
HKLM, “SOFTWARE\Classes\CLSID\{87D62D94-71B3-4b9a-9489-5FE6850DC73E}\InProcServer32”


6-7 hours later I tried the same .avi file as before with DVD2SVCD, and it worked... There's of course a small chance something else "fixed" it, but if .ac3 files also would be locked it would cause problems when DVD2SVCD should rename/delete the audio files.

Well, I will stay glad as long as it lasts (until next Windows update or new codec install...?) ;)

[Alacran]

Well, strange as it may sound, it fixed my problem!

Had the same error but with MP3 audio, in fact it was an AVI with dual MP3 audio.
Decided to do a search in the forum and came across this post.

Saved the fix in a text file, renamed it to fix.inf.
Right-clic, choose install and in less then a minute I was up and running.

Saved my day for sure, thanks!

[jolson]

Nice :D