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[Enhancement]: Recognize the CDEK tag. #1040

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opened 2026-04-24 23:29:40 +02:00 by adam · 5 comments
adam commented 2026-04-24 23:29:40 +02:00
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Originally created by @filviu on GitHub (Mar 30, 2023).

Describe the feature/enhancement

Libation - a nice tool that allows backing up audible purchases writes the ASIN inside the CDEK tag for m4b files reasoning that it's the same tag Audible uses: https://github.com/rmcrackan/Libation/issues/557 For mp3 they use AUDIBLE_ASIN

My first thought was to script something to copy from CDEK to com.apple.iTunes:ASIN but either I'm too thick or I can't find the right tool but I tried mp4v2, AtomicParsley and exiftool and the only one that did write the tag was AtomicParsley but it's very, very slow.

So to make it short - would it be terribly complicated to also recognize the CDEK tag for the ASIN ?

Alternatively - since it's possible - would it be any way to specify the ASIN in the file name ?

Cheers!

Originally created by @filviu on GitHub (Mar 30, 2023). ### Describe the feature/enhancement Libation - a nice tool that allows backing up audible purchases writes the ASIN inside the `CDEK` tag for m4b files reasoning that it's the same tag Audible uses: https://github.com/rmcrackan/Libation/issues/557 For mp3 they use `AUDIBLE_ASIN` My first thought was to script something to copy from CDEK to com.apple.iTunes:ASIN but either I'm too thick or I can't find the right tool but I tried mp4v2, AtomicParsley and exiftool and the only one that did write the tag was AtomicParsley but it's very, very slow. So to make it short - would it be terribly complicated to also recognize the CDEK tag for the ASIN ? Alternatively - since it's possible - would it be any way to specify the ASIN in the file name ? Cheers!
adam added the enhancement label 2026-04-24 23:29:40 +02:00
adam closed this issue 2026-04-24 23:29:40 +02:00
adam commented 2026-04-24 23:29:41 +02:00
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@advplyr commented on GitHub (Mar 31, 2023):

We use ffprobe to read the meta tags. If you can check what the ffprobe output is for an m4b and an mp3 that would be helpful.

ffprobe -i audiofile.m4b -show_format -print_format json

You can do this from inside the docker container since ffprobe is installed in the container.

@advplyr commented on GitHub (Mar 31, 2023): We use ffprobe to read the meta tags. If you can check what the ffprobe output is for an m4b and an mp3 that would be helpful. `ffprobe -i audiofile.m4b -show_format -print_format json` You can do this from inside the docker container since ffprobe is installed in the container.
adam commented 2026-04-24 23:29:42 +02:00
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@filviu commented on GitHub (Apr 2, 2023):

Hm,

So mp3 was easy the tag shows under AUDIBLE_ASIN: https://pastebin.com/QhXUehRd

For the m4b on the other hand doesn't show the CDEK tag: https://pastebin.com/Nn9BZjtw

AtomicParsley does show it: https://pastebin.com/emw9TjXH but I couldn't find a way to convince ffprobe to show those tags - either it can't or I didn't find how...

So I'm not sure it's possible...

@filviu commented on GitHub (Apr 2, 2023): Hm, So mp3 was easy the tag shows under `AUDIBLE_ASIN`: https://pastebin.com/QhXUehRd For the m4b on the other hand doesn't show the CDEK tag: https://pastebin.com/Nn9BZjtw AtomicParsley does show it: https://pastebin.com/emw9TjXH but I couldn't find a way to convince ffprobe to show those tags - either it can't or I didn't find how... So I'm not sure it's possible...
adam commented 2026-04-24 23:29:43 +02:00
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@advplyr commented on GitHub (Apr 9, 2023):

Yeah unfortunately ffprobe has limitations with mp4 metadata. Here it is in code https://github.com/FFmpeg/FFmpeg/blob/master/libavformat/mov.c#L310

I added the AUDIBLE_ASIN support for mp3.

I don't see a good way to switch from ffprobe because ffprobe is the best at getting the codec info. I was going to add support for tone library in the scanner but then we would need to use both ffprobe and tone which would be very slow.
If there is an alternative to ffprobe I'm open for that

@advplyr commented on GitHub (Apr 9, 2023): Yeah unfortunately ffprobe has limitations with mp4 metadata. Here it is in code https://github.com/FFmpeg/FFmpeg/blob/master/libavformat/mov.c#L310 I added the `AUDIBLE_ASIN` support for mp3. I don't see a good way to switch from ffprobe because ffprobe is the best at getting the codec info. I was going to add support for tone library in the scanner but then we would need to use both ffprobe and tone which would be very slow. If there is an alternative to ffprobe I'm open for that
adam commented 2026-04-24 23:29:43 +02:00
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@advplyr commented on GitHub (Apr 17, 2023):

Added in v2.2.19

@advplyr commented on GitHub (Apr 17, 2023): Added in [v2.2.19](https://github.com/advplyr/audiobookshelf/releases/tag/v2.2.19)
adam commented 2026-04-24 23:29:44 +02:00
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@damajor commented on GitHub (Apr 26, 2023):

I don't see a good way to switch from ffprobe because ffprobe is the best at getting the codec info. I was going to add support for tone library in the scanner but then we would need to use both ffprobe and tone which would be very slow.
If there is an alternative to ffprobe I'm open for that

Did you at "mediainfo" ?

@damajor commented on GitHub (Apr 26, 2023): > I don't see a good way to switch from ffprobe because ffprobe is the best at getting the codec info. I was going to add support for tone library in the scanner but then we would need to use both ffprobe and tone which would be very slow. > If there is an alternative to ffprobe I'm open for that Did you at "mediainfo" ?
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Reference: starred/audiobookshelf#1040
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