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Author Topic: bug : analyzing m4a  (Read 2420 times)

aatreya

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bug : analyzing m4a
« on: October 17, 2006, 05:12:59 pm »
MC locks up when I try to analyze a group of m4a files at once.  It gets through the first few just fine, and says it saves tag changes after each one is done, but then the entire program stops responding, and when I reboot, no tag changes have been saved.  If i do them one at a time, it's fine.
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JimH

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Re: bug : analyzing m4a
« Reply #1 on: October 17, 2006, 05:39:56 pm »
Which build are you using?

Thanks for reporting this.
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aatreya

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Re: bug : analyzing m4a
« Reply #2 on: October 17, 2006, 05:51:12 pm »
12.0.95
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JimH

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Re: bug : analyzing m4a
« Reply #3 on: October 17, 2006, 05:55:25 pm »
Do all of the files play OK in MC?
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aatreya

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Re: bug : analyzing m4a
« Reply #4 on: October 17, 2006, 06:01:21 pm »
Yep - Since they're m4a files though, I had to download the mp4 splitter and coreaac codec to be able to play them natively and analyze them.  I'm guess this might have something to do with it, but I'm not sure how.
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JimH

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Re: bug : analyzing m4a
« Reply #5 on: October 17, 2006, 06:12:37 pm »
If they're Audible files, MC should play them without any other help.

Are they protected files?
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aatreya

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Re: bug : analyzing m4a
« Reply #6 on: October 17, 2006, 06:15:09 pm »
Nope - just standard m4a files from the iTunes ripper - no protection or anything.
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JimH

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Re: bug : analyzing m4a
« Reply #7 on: October 17, 2006, 06:40:51 pm »
Sorry.  I'm starting to lose it.  Apple's version of AAC?

m4a, m4p, mp3, mp4, mpg, mpeg, ....

Audible's are .aa.

For AAC, I believe we use Apple's Quicktime engine and the QT decoder.  Is QT installed and current?
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Alex B

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Re: bug : analyzing m4a
« Reply #8 on: October 17, 2006, 07:22:57 pm »
The mentioned codecs make the files to play through DirectShow instead of QT. If the files are played through QT it is not possible to analyze them or use any DSP adjustments like Internal Volume, EQ etc.

Quote from: aatreya on October 17, 2006, 06:01:21 pm
Yep - Since they're m4a files though, I had to download the mp4 splitter and coreaac codec to be able to play them natively and analyze them.  I'm guess this might have something to do with it, but I'm not sure how.

For some reason your codec combination is unstable with MC12. Have you tried the same with MC11.1?

I have analyzed m4a AAC files without problems with MC11.1, but I have not tried that with MC12. I use Haali Media splitter and ffdshow for AAC decoding.
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aatreya

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Re: bug : analyzing m4a
« Reply #9 on: October 17, 2006, 07:25:29 pm »
Ok - I'll try it with MC 11.1 when I get a chance.  I also thought it might be a bad codec problem at first as well, but was surprised since they analyze just fine if I do it one at a time.
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