[slim] Re: .WMA files not playing correctly

2006-08-22 Thread Brian Ritchie

fingers Wrote: 
> Sometimes the files change size after the rescan.  Sometimes some of the
> tag information is missing after the rescan.

This might sound like a silly question, but please bear with me: how do
you know the files change size? Did you note the size of each file on
your hard drive before the scan, or are you comparing against your
backup copies after you find they've been corrupted? (If it's the
latter, then it still might be the case that the files are corrupted
before the scan too. But in that case I'd be surprised that mp3 files
never get corrupted, unless you have many more wmas than mp3s and the
corruption rate is low.)

>  By the way... is there a better wan to edit .wma tags other than
> Windows Media Player?

These days, I use MediaMonkey (www.mediamonkey.com), though it only
supports a small (but reasonable) fixed set of tags. DBPowerAMP (no URL
to hand, sorry) covers a wider range of wierd and wonderful WMA tags,
and was the only tag editor that let me work around a problem with SS
and the WM/URL tag. However, by the time my free use period of the
extended tag set editor expired, the bug in SS was fixed, so I didn't
need it any more :-).

For what it's worth, nowadays I use Exact Audio Copy to rip to FLAC,
and then use MediaMonkey to convert this to WMA for my portable. (I
also use MM to fix any tags I forgot to fix in EAC.)

> I copy both .wma and mp3 files.  This problem is only with .wma files. 
> When replacing corrupted .wma files on the SS machine, I copy over my
> LAN from the computer sitting next to the SS computer to it.

This seems to rule out some low-level copying problem, unless - to be
pedantic - mp3s are being corrupted too, but never to the point where
they're broken (but this seems unlikely).  Yet Dan says that the scan
shouldn't be modifying your files. I'm mystified!

bpa's suggestion of using Filemon might be worth a try (I've not used
it though), especially if it can tell which app has modified a file.
However, if the corruption is random then you'll probably need to watch
and scan a large number of files, which (as bpa says) might generate
tons of data. (And turning on logging or monitoring is often a good way
to make problems disappear :-))

> At this moment I am listening through SS some files that I just copyied
> back to the SS machine from the backup machine because after my most
> recent scan some of these album files (.wma) became corrupted.  I have
> not rescanned since copying the files to SS and they are playing just
> fine.

If corruption is happening randomly, then this doesn't say much (so
sorry I asked about it!) If any of these files that you listened to
pre-scan were to appear corrupted post-scan, then that would strongly
suggest that the rescan is causing the corruption.

What might be interesting - but tangential - is that if you're loading
these files into the playlist by anything other than Browse Music
Folder, then SS isn't updating its DB; and this implies that SS's DB is
consistent with the uncorrupted versions of the files (and that
*suggests* that the file became corrupted after SS extracted its DB
info from it). On the other hand, if you're using Browse Music Folder,
then SS *is* updating its DB, and that wouldn't say much (well, except
that whatever Browse Music Folder is doing isn't corrupting the files
(at least, not this time!))

> SS doesn't say anything about the files, it just skips over them if
> corrupted.  It may play a bit of each but just skips over.  Windows
> Media Player on the other hand does indeed state that WMP cannot play
> the file because it is corrupted.

I don't know for sure, but SS seems to believe whatever is in its DB,
and will start trying to play a file until something goes wrong (which
might be at the start, of course). I got truncated-play behaviour when
I replaced 96kbps files with 160kbps files and didn't bother to
rescan.

WMP is probably analysing the whole file (well, maybe just doing some
kind of checksum test).

Does WMP complain about the file when you load it into its playlist, or
only when you actually try to play it? If its the former, then a quick
way to find corrupted files would be to load them all into WMP's
playlist; so doing this before a SS rescan might answer once and for
all my question about whether files are being randomly corrupted before
the scan.  But then, building such a playlist might not be so quick :-(.
I sometimes use WMP to check consistency of playlists, because missing
files (misspelled or moved) in playlists look really obvious in WMP -
it doesn't replace the filename with the tag info.

Sigh. I'm running out of things to suggest you try, or possible causes.
(Clutching at straws now: funny character sets in tags?)  Maybe this
should be submitted as a separate bug report so the real engineers will
give it some attention. (It's not obvious to me that it's the same
problem as the other reports mentioned here.)

It would be so easy just to say, stop using WMA!  But if yo

[slim] Re: .WMA files not playing correctly

2006-08-21 Thread bpa

Filemon gathers a lots of data and slows things down a bit. Scanning the
library will generate a lot of info but I think you start monitoring
when you are sure no files are corrupted and then initiate scanning.

It would work best if you can reproduce the problem while scanning a
small subset of your WMA files.


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[slim] Re: .WMA files not playing correctly

2006-08-21 Thread fingers

bpa Wrote: 
> Why not try Filemon to see what application is changing the files. 
> 
> http://www.sysinternals.com/Utilities/Filemon.html
> 
> use with caution, it can prevent some apps from running but it may
> provide some help.

Would I run this while I am scanning the library?


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[slim] Re: .WMA files not playing correctly

2006-08-21 Thread bpa

Why not try Filemon to see what application is changing the files. 

http://www.sysinternals.com/Utilities/Filemon.html

use with caution, it can prevent some apps from running but it may
provide some help.


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[slim] Re: .WMA files not playing correctly

2006-08-21 Thread fingers

Brian Ritchie Wrote: 
> It's closed because it's considered a duplicate of another bug (2985),
> discussion of which seems to be active at the moment.  The title of
> 2985 ("WMA VBR transcoded to WAV truncated") made me wonder whether I'm
> not seeing the problem because I'm not using VBR; but I am (for some
> tracks at least).  However, as far as I can tell, my SB3 is playing the
> WMA natively, and WMA is not being transcoded to WAV (or anything else).
> I suppose it's another thing you could check. (web i/f: Server Settings
> / File Types, and check that "Windows Media - Windows Media -
> (built-in)" is checked. For what it's worth, mine has 4 entries for
> Windows Media (the others are to FLAC, MP3 and WAV) and all are
> checked. I think that's the default.)
> 
> 
> How did you play them? In WMP? Or did you try to play them in SS before
> re-scanning? I wonder what happens if you try? (SS can get confused if a
> file changes underfoot; at least, I've seen this introduce problems, but
> never fix them!)
> 
> 
> 
> But *different* files, you say.  Have you ever had the situation where
> the SAME file is corrupted again immediately afterwards? (That is, you
> copied it from backup, and it played OK before the scan, but not
> afterwards?) (See "Hmm. (no. 2)" below.)
> 
> 
> 
> Dan has said that SlimServer should not be changing your source WMA
> files. This suggests that any corruption you are seeing is some kind of
> conflict between what is there and what SlimServer *thinks* is there. 
> So looking at them through SlimServer is probably not a good way to
> check whether the files themselves have become corrupted. (However, you
> say that a corrupted file won't play in WMP either, which implies that
> the file really is corrupted, and not just SlimServer's view of it.)
> 
> You mention an "ARTWORK" folder (for the first time). Is there really
> an ARTWORK folder on your hard drive, or do you mean the "Browse
> Artwork" page in SlimServer's web interface? If you mean the latter,
> then what happens when you go to the tracks via Browse Artist or Browse
> Album, and play them? (And what happens if you do this after a scan but
> before (or without) using Browse Artwork? It seems unlikely that the
> act of browsing by artwork could be the cause, but...) If they're not
> appearing properly under Browse Artist etc., how about looking for them
> with Browse Music Folder?
> 
> (Hmm: once you find a corrupted file, try this: restore the file from
> your backup copy. Then - without doing a rescan - find it in SlimServer
> by using Browse Music Folder.  Better?  However, I've seen SS get very
> confused if I try to use Browse Music Folder to "update" existing
> tracks, rather than to add completely new ones; so I can't really
> recommend this.)
> 
> The appearance of a "new" NO ALBUM "folder" (again, I suspect you mean
> in SlimServer's web interface, not on your hard drive) implies that SS
> is having trouble with the tags (or that the files really don't have
> any Album tag).  Does this characterise all the corrupted files? (Do
> they always appear under Artwork / No Album, and are all (wma) files
> under there corrupted?)
> 
> (I've just looked at Browse Artwork on my own system. I do indeed have
> a No Album folder there. It contains a number of .wav files (which
> don't have tags, so their appearance makes sense) - and one WMA file.
> Aha! I thought.  But it plays OK. It's a brief piece of sample music
> (at 64kbps CBR) that probably came with some sound app I installed ages
> ago, and for some reason SS has picked it up from the "All
> Users\Documents\My Music\Sample Music" folder. Though it has no album,
> the other tags look OK (as seen by SS).)
> 
> Sorry to be pedantic, but can you confirm that when you look at the
> tracks in Explorer (specifically, NOT via SlimServer's web interface),
> they have changed (size and/or modification time) on either side of the
> rescan?  And are you certain that the actual files haven't changed
> before the rescan, by comparing them against the backup? But you've
> said that once copied from backup, they play OK, which implies that
> they haven't changed.  Still, it's puzzling that it happens to
> different files each time.
> 
> Hmm (no. 2): when you find a corrupted file, and restore it from backup
> then rescan, are you just restoring the corrupted files, or all your
> files? In other words, are files that weren't corrupted on one scan
> being corrupted on the next scan, even though they weren't copied or
> otherwise changed in between?
> 
> On the other hand, if you are restoring ALL your files each time, and
> it turns out that some are subsequently corrupted at random, then I'd
> be suspicious about the copying process itself. (But just WMA files?
> Again, seems unlikely; though of course, if all you're copying around
> are WMA files, then it would be little surprise that only WMA files are
> being corrupted!)
> 
> I wonder whether the scan is actually completing, or i

[slim] Re: .WMA files not playing correctly

2006-08-20 Thread fingers

Wow!  I will have to really sit down and read through this whole thing
before I can reply to all.

However, yes, I copy the uncorrupted files back to the machine with
SlimServer.  I can play the uncorrupted files just fine in Windows
Media Player and also in SlimServer when I first copy them over. 
However, once I run the full scan as I mentioned, random files become
corrupted.  SlimServer cannot play them and skips them and when I try
to play them in Windows Media Player it says it cannot play them
because they are corrupted.

Yes, the corruption is random... not the same files each time.


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[slim] Re: .WMA files not playing correctly

2006-08-20 Thread Brian Ritchie

fingers Wrote: 
> I looked at the bug today and it appears to be closed.  Did this get
> fixed?

It's closed because it's considered a duplicate of another bug (2985),
discussion of which seems to be active at the moment.  The title of
2985 ("WMA VBR transcoded to WAV truncated") made me wonder whether I'm
not seeing the problem because I'm not using VBR; but I am (for some
tracks at least).  However, as far as I can tell, my SB3 is playing the
WMA natively, and WMA is not being transcoded to WAV (or anything else).
I suppose it's another thing you could check. (web i/f: Server Settings
/ File Types, and check that "Windows Media - Windows Media -
(built-in)" is checked. For what it's worth, mine has 4 entries for
Windows Media (the others are to FLAC, MP3 and WAV) and all are
checked. I think that's the default.)

> I did a couple tests this morning.  I ran a rescan of the libary (Clear
> Libary and rescan everything).  Once finished I again had a new folder
> under ARTWORK that says NO ALBUM.  Inside were a number of .wma files
> that were corrupted.  I copied my backup non corrupted files from
> another computer back to the Slim Server computer.  Played the replaced
> files.  All played just fine.
How did you play them? In WMP? Or did you try to play them in SS before
re-scanning? I wonder what happens if you try? (SS can get confused if a
file changes underfoot; at least, I've seen this introduce problems, but
never fix them!)

>   Re-ran the same scan(Clear Libary and rescan everything.  This time
> there were different files listed under NO ALUBM in the Browse ARTWORK
> view that were corrupted.  I copied backup copies of these files back
> to the SlimServer computer, played the files just fine.  Re-ran the
> same scan again and now different files are corrupted.

But *different* files, you say.  Have you ever had the situation where
the SAME file is corrupted again immediately afterwards? (That is, you
copied it from backup, and it played OK before the scan, but not
afterwards?) (See "Hmm. (no. 2)" below.)

> This is only happening with .wma files.  Clearing run the SlimServer
> scan affects these files.

Dan has said that SlimServer should not be changing your source WMA
files. This suggests that any corruption you are seeing is some kind of
conflict between what is there and what SlimServer *thinks* is there. 
So looking at them through SlimServer is probably not a good way to
check whether the files themselves have become corrupted. (However, you
say that a corrupted file won't play in WMP either, which implies that
the file really is corrupted, and not just SlimServer's view of it.)

You mention an "ARTWORK" folder (for the first time). Is there really
an ARTWORK folder on your hard drive, or do you mean the "Browse
Artwork" page in SlimServer's web interface? If you mean the latter,
then what happens when you go to the tracks via Browse Artist or Browse
Album, and play them? (And what happens if you do this after a scan but
before (or without) using Browse Artwork? It seems unlikely that the
act of browsing by artwork could be the cause, but...) If they're not
appearing properly under Browse Artist etc., how about looking for them
with Browse Music Folder?

(Hmm: once you find a corrupted file, try this: restore the file from
your backup copy. Then - without doing a rescan - find it in SlimServer
by using Browse Music Folder.  Better?  However, I've seen SS get very
confused if I try to use Browse Music Folder to "update" existing
tracks, rather than to add completely new ones; so I can't really
recommend this.)

The appearance of a "new" NO ALBUM "folder" (again, I suspect you mean
in SlimServer's web interface, not on your hard drive) implies that SS
is having trouble with the tags (or that the files really don't have
any Album tag).  Does this characterise all the corrupted files? (Do
they always appear under Artwork / No Album, and are all (wma) files
under there corrupted?)

(I've just looked at Browse Artwork on my own system. I do indeed have
a No Album folder there. It contains a number of .wav files (which
don't have tags, so their appearance makes sense) - and one WMA file.
Aha! I thought.  But it plays OK. It's a brief piece of sample music
(at 64kbps CBR) that probably came with some sound app I installed ages
ago, and for some reason SS has picked it up from the "All
Users\Documents\My Music\Sample Music" folder. Though it has no album,
the other tags look OK (as seen by SS).)

Sorry to be pedantic, but can you confirm that when you look at the
tracks in Explorer (specifically, NOT via SlimServer's web interface),
they have changed (size and/or modification time) on either side of the
rescan?  And are you certain that the actual files haven't changed
before the rescan, by comparing them against the backup? But you've
said that once copied from backup, they play OK, which implies that
they haven't changed.  Still, it's puzzling that it happens to
different files each time.

Hmm (no

[slim] Re: .WMA files not playing correctly

2006-08-20 Thread fingers

I looked at the bug today and it appears to be closed.  Did this get
fixed?

I did a couple tests this morning.  I ran a rescan of the libary (Clear
Libary and rescan everything).  Once finished I again had a new folder
under ARTWORK that says NO ALBUM.  Inside were a number of .wma files
that were corrupted.  I copied my backup non corrupted files from
another computer back to the Slim Server computer.  Played the replaced
files.  All played just fine.  Re-ran the same scan(Clear Libary and
rescan everything.  This time there were different files listed under
NO ALUBM in the Browse ARTWORK view that were corrupted.  I copied
backup copies of these files back to the SlimServer computer, played
the files just fine.  Re-ran the same scan again and now different
files are corrupted.  

This is only happening with .wma files.  Clearing run the SlimServer
scan affects these files.


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[slim] Re: .WMA files not playing correctly

2006-08-17 Thread WSLam

The bug is at http://bugs.slimdevices.com/show_bug.cgi?id=3926


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[slim] Re: .WMA files not playing correctly

2006-08-17 Thread WSLam

I believe a bug report has been created.
This is a truly annoying buy. I was just demonstrating the SB3 to my
friend, and it skipped again! This is most annoying with classical
music.


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[slim] Re: .WMA files not playing correctly

2006-08-14 Thread Dan Sully

Please file a bug at http://bugs.slimdevices.com/

This could be an issue with reading the metadata and obtaining the
correct audio offsets. It could be an issue with our WMA decoder. It
could be something else.

Also - SlimServer _never_ writes out to your music files in any way.


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[slim] Re: .WMA files not playing correctly

2006-08-14 Thread WSLam

I am sure if this is indeed a bug, then a fix will be available soon!


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[slim] Re: .WMA files not playing correctly

2006-08-14 Thread fingers

Yes, I am able to fix the issue if I convert the .wma files as well.  I
have converted a number the albums that were .wma to .mp3 and the issue
goes away.


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[slim] Re: .WMA files not playing correctly

2006-08-13 Thread WSLam

I think you are onto something. Well, at least I think you AND I are
onto something:
http://forums.slimdevices.com/showthread.php?t=26346

This only happens with the latest official slimserver.

converting to FLAC solves the issue.


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[slim] Re: .WMA files not playing correctly

2006-08-13 Thread fingers

Anyone have any ideas here?  This is really annoying.


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[slim] Re: .WMA files not playing correctly

2006-08-11 Thread fingers

No other music program running


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[slim] Re: .WMA files not playing correctly

2006-08-11 Thread Brian Ritchie

fingers Wrote: 
> Yes, the actual files become corrupted.  Slim Server starts skipping
> through the corrupted files.  Even WMP refuses to play them after this
> happens giving an error message that the files are corrupted.  Yes, the
> file sizes change.  WMP is the latest version

Very odd! As I said, I wouldn't expect the SS scan to modify the files
(but I don't know the code, and am only guessing; who knows how
scanning WMA files works?)

I wonder what would happen if you set the files to be read-only...
would they still get corrupted? (In which case I'd mistrust either the
readonly setting (in Windows, trust b*gger all!) or your hard drive!)
Would the scan itself fail (because it "needs" to change a file, but
can't)?

I suppose there's also the possibility that some other process is
corrupting the files; say, if you're running another music app that's
changing files on the fly (possibly via a well-hidden configuration
setting).  (I remember once doing lots of damage to my WMA tags by
foolishly letting WMP try to "fix" them for me, but I'm fairly sure I
explicitly asked WMP to do it. And the files weren't rendered
unplayable, just my carefully-assigned genres were replaced by those
chosen by a bunch of brainless jerks with no taste :-(.)

-- Brian


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[slim] Re: .WMA files not playing correctly

2006-08-10 Thread fingers

Brian Ritchie Wrote: 
> Sounds odd. I've never noticed anything like this happening.
> 
> I'd be surprised if scanning modifies the files. When you say "[the]
> process corrupts [some of] the .wma files", do you mean that the actual
> files are corrupted? Do the file sizes or modification times change in
> comparison with your backup? If not, then that would suggest that
> SlimServer's DB is getting confused somehow.
> 
> I wonder: might be worth checking that you're using a reasonably recent
> version of WMP.
> 
> -- Brian
Yes, the actual files become corrupted.  Slim Server starts skipping
through the corrupted files.  Even WMP refuses to play them after this
happens giving an error message that the files are corrupted.  Yes, the
file sizes change.  WMP is the latest version


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[slim] Re: .WMA files not playing correctly

2006-08-10 Thread Brian Ritchie

fingers Wrote: 
> Here's some other interesting information.  When I first copy the .wma
> files to the Music Folder, browse through SlimServer to the Music
> Folder, find the particular album and play, all plays well.  However,
> when I then tell SlimServer to find new music, including trying to
> clear all and find new, it appears that process corrupts the .wma
> files.  Not all, but a few in each folder.  I can copy the .wma files
> back from my backup share, play them again through SlimServer prior to
> telling SlimServer to find new music.  Same thing happens once I do,
> some of the .wma files in each folder containing them become corrupted.
> However, not the same ones each time.

Sounds odd. I've never noticed anything like this happening.

I'd be surprised if scanning modifies the files. When you say "[the]
process corrupts [some of] the .wma files", do you mean that the actual
files are corrupted? Do the file sizes or modification times change in
comparison with your backup? If not, then that would suggest that
SlimServer's DB is getting confused somehow.

I wonder: might be worth checking that you're using a reasonably recent
version of WMP.

-- Brian


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[slim] Re: .WMA files not playing correctly

2006-08-09 Thread fingers

Here's some other interesting information.  When I first copy the .wma
files to the Music Folder, browse through SlimServer to the Music
Folder, find the particular album and play, all plays well.  However,
when I then tell SlimServer to find new music, including trying to
clear all and find new, it appears that process corrupts the .wma
files.  Not all, but a few in each folder.  I can copy the .wma files
back from my backup share, play them again through SlimServer prior to
telling SlimServer to find new music.  Same thing happens once I do,
some of the .wma files in each folder containing them become corrupted.
However, not the same ones each time.


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[slim] Re: .WMA files not playing correctly

2006-07-24 Thread fingers

snarlydwarf Wrote: 
> Digital Rights Management.
> 
> For reasons known only to Microsoft: when you rip a CD using WMA, it
> likes to encrypt them so they will only work on your machine.
> 
> Why?  No clue...
> 
> Look under Tools, Options, and the Rip tab.  There is a setting called
> "Copy protect music" there when you have WMA selected.

I checked and Copy Protect Music is not selected.


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[slim] Re: .WMA files not playing correctly

2006-07-24 Thread fingers

fingers Wrote: 
> ?  rescanning?

Oh sorry.. I got it.  Yes, I have done a scan from scatch a couple
times to see if that would do the trick.  But it doesn't


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[slim] Re: .WMA files not playing correctly

2006-07-23 Thread snarlydwarf

Digital Rights Management.

For reasons known only to Microsoft: when you rip a CD using WMA, it
likes to encrypt them so they will only work on your machine.

Why?  No clue...

Look under Tools, Options, and the Rip tab.  There is a setting called
"Copy protect music" there when you have WMA selected.


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[slim] Re: .WMA files not playing correctly

2006-07-23 Thread fingers

Brian Ritchie Wrote: 
> How are you rescanning after adding .wma tracks? Are you *replacing* any
> .mp3s with .wmas? Or have you been experimenting with .wma at different
> bitrates?
> 
> I found that when I changed even just the bitrate (never mind the
> format) of tracks, then it was best to do a "forget everything" scan
> from scratch. I got behaviour rather like what you describe when I
> re-ripped some tracks to .wma at a higher bitrate, and either didn't
> bother rescanning, or didn't do a "forget and rescan".
> 
> Apart from that (well, and that ReplayGain doesn't work for .wma), I've
> had no trouble with .wma files.  (But I'm still switching over to .flac,
> having got fed up with lossy transcoding issues.) I've not tried ripping
> with Windows Media Player.
> 
> -- Brian
?  rescanning?


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[slim] Re: .WMA files not playing correctly

2006-07-23 Thread Brian Ritchie

fingers Wrote: 
> I decided to try ripping a number of CD to .wma instead of .mp3.  I used
> Windows Media Player to rip the CDs.  The thing that is strange is that
> if I play the .wma files in Windows Media Player they all play just
> fine.  However, when playing them with SlimServer they don't.  All the
> tracks for each album are listed, when I start to play the album it
> typically plays part of the first track and then skips to another track
> and play part of it and then skips to another or stops playing the album
> all together as it has now reached the end.  This is happening with
> every album that contains .wma files but does not happen to any of the
> albums that contain .mp3 files.
> 
> Any clues?
How are you rescanning after adding .wma tracks? Are you *replacing*
any .mp3s with .wmas? Or have you been experimenting with .wma at
different bitrates?

I found that when I changed even just the bitrate (never mind the
format) of tracks, then it was best to do a "forget everything" scan
from scratch. I got behaviour rather like what you describe when I
re-ripped some tracks to .wma at a higher bitrate, and either didn't
bother rescanning, or didn't do a "forget and rescan".

Apart from that (well, and that ReplayGain doesn't work for .wma), I've
had no trouble with .wma files.  (But I'm still switching over to .flac,
having got fed up with lossy transcoding issues.) I've not tried ripping
with Windows Media Player.

-- Brian


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