The fix works fine. Album and Artist thumbnails are being retrieved now
even where there are empty tags. I have checked a few cases where I get
no artwork in Music app, and they all correspond to where the webservice
does not deliver a result.
Thanks for the work and the release!
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Thanks for the confirmation, Fred. Glad it works for you now!
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Title:
No thumbnails generated for OGG audio
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** Changed in: canonical-devices-system-image
Status: Fix Committed => Fix Released
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Title:
No thumbnails generated for OGG audio
To
Great, Will give you feedback as soon as OTA-9 is available.
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Title:
No thumbnails generated for OGG audio
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Fred, the fix for this will become available with OTA-9, maybe a week or
two away. When you update, please run
thumbnailer-admin clear f
Otherwise, old failures will keep hanging around in the cache.
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The Bad Request response issue is definitely fixed by the linked branch.
I'm seeing much more robust behavior now.
We still have an issue with the error back-off being too aggressive when
an individual request to the server times out. I'll work on that and try
to get this into OTA-9. We have a
** Changed in: thumbnailer (Ubuntu)
Status: In Progress => Fix Committed
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Title:
No thumbnails generated for OGG audio
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** Branch linked: lp:~michihenning/thumbnailer/http-response-codes
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Title:
No thumbnails generated for OGG audio
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OK, that pretty much makes it clear that your problem matches the one
exposed by my test data. The hits are from other requests that were in
flight around the same time.
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I certainly seeing the failure mode you suggest. The third lookup in
this log has an empty artist. There are a variety of other responses
after this including HIT, NO ARTWORK and FAILED PREVIOUSLY.
thumbnailer-service: [21:20:04.256] "album: Joan Baez/Queen of Hearts
(512,512): 0.003812 sec
Michi,
looks like your 7000 files are behaving similar to what I saw. When I
get some time I shall see if with a clear cache I also get Bad Request
responses.
Saldly nothing in /var/crash. I know where to look now!
Good luck. I shall monitor the bug in case you need more feedback/ beta
testing.
If you try with your own collection and scan the log, if you find a bad
request followed by loads of "failed previously", we are dealing with
the same issue. If not, I'd still like to get my hands on your
collection, but let's hold off with that for now.
I'm working on a fix at the moment. The
OK, probably no need for the flash card, I think I have reproduced the
problem.
I'm attaching an archive that contains 7000 MP3 files, in subdirs of
1000 files each. Each MP3 is one second of silence, with exactly two
tags, album and artist. The tags were created from server trace files
(thanks
MP3 attachment.
** Attachment added: "7000 tagged MP3s without embedded artwork"
https://bugs.launchpad.net/ubuntu/+source/thumbnailer/+bug/1512608/+attachment/4527816/+files/music-no-artwork.tar.gz
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Actually, no entries in the failure cache. Instead, the first Bad
Request response from the server means that we stop trying again for two
hours.
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** Changed in: thumbnailer (Ubuntu)
Status: New => In Progress
** Changed in: music-app (Ubuntu)
Status: New => Invalid
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Title:
Hi Michi,
thanks for the interest!
The experience was interesting.
After the upgrade I went into the Music app. It was interesting to watch
as all the entries dispersed in front of my eyes :-% After a few
application restart the Music app simple crashed on startup. Quick
solution to this was
Hi Fred, thank you for taking the time to help diagnose this!
> On subsequent runs you see the corresponding FAILED PREVIOUSLY
responses. Since there about 400 artists and 600 albums the behaviour
seems reasonable assuming the backend server was not responding in time
to all requests.
Hmmm… We
Fred, any change with OTA-8?
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Title:
No thumbnails generated for OGG audio
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"Fred, thanks for getting bad to us!"
Bloody auto-correct. My apologies, that should have read "... getting
back to us!"
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Title:
No thumbnails
Thanks for the feedback. Sorry to respond so slowly.
I'm still still seeing a slow increase in thumbnails. I suspect it will
not converge to a complete coverage!
I need to further analyse the logs. One possibility is that I see a lot of OOM
killer activity when Music app is open. I need to
Fred, thanks for getting bad to us!
If the music app gets killed, it might be because it asks for more than
it can eat. If it sends a large number of requests to the thumbnailer,
and lots of requests get a cache hit, the thumbnailer will deliver close
to a thousand images per second, which can
Thanks for the update, Fred!
If one of the files causes a crash or hang during extraction, the
thumbnailer is robust against that and will kill off the offending
process. (We thumbnail out-of-process for audio and video precisely to
guard against this issue.) But, if that happens, you should find
I've confirmed that your file works just fine when I drop it onto the
phone. We successful fetch both album and artist art for it.
I suspect that we need to focus on the fact that tons of files are being
added all at once.
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Michi thanks for the feedback. Hopefully it will help me determine the
root cause of the strang behaviour.
> I'm pretty sure that there is nothing wrong with extraction from ogg files
Agreed.
> So, I'm wondering whether what you are seeing is simply due to the
fact that a lot of files are added
Further.. My cut down sd card with only music files is slowly covering
to have a large percentage of Album and Artist art even on the OGG files
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I'm pretty sure that there is nothing wrong with extraction from ogg
files; we have tests for this. But, if most of these files do not
contain artwork and you add an SD card with thousands of songs and run
up the music app, the music app will send hundreds of requests to the
thumbnailer. No
** Also affects: thumbnailer (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: thumbnailer
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Title:
No thumbnails
** Changed in: thumbnailer (Ubuntu)
Assignee: (unassigned) => Michi Henning (michihenning)
** Changed in: thumbnailer (Ubuntu)
Importance: Undecided => High
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Just cut down to just a few files on the sdcard and managed to get a thumbnail
hit on an OGG file. So you should not see a problem with the OGG gile I
attached,
I'll expand the trials a little to see if I can actually find the failure mode.
I normally have several thousand files! I'll try and
OGG audio file attached. Rhythmbox shows following tags:
Title: A Whiter Shade of Pale
Artist: Annie Lennox
Album: Medusa
Album Artist is empty. I'm going to try if setting this helps the
thumbnailer. This evening (UTC) I will cut down the music collection on
the sdcard to just a few files, clear
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