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> [F] Unknown MP4 atoms are deleted on save, was: MP4 Tags destroyed!!! :(
edrikk
post Aug 12 2010, 16:34
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Member No.: 11061
Mp3tag Version: 2.48e



Hi Florian,

I hope you enjoyed your vacation, and am sorry to be PMing you... But I'm facing somewhat of a big issue... sad.gif

It appears that the following Apple MP4 tags are not seen in MP3Tag (even in extended dialog), and if any changes are made to the MP4 file (even if just clicking "save"), the tags are destroyed! sad.gif sad.gif sad.gif

I have attached an MP4 sample that contains the tags.

rate -->> Rating between 0 and 100 as a text
hdvd -->> HD Video 8-bit integer (boolean)
cnID -->> iTunes Catalog ID, used for combing SD and HD encodes in iTunes 32-bit integer
keyw -->> Keywords Used for Podcasts UTF-8 string

DLNA servers such as Twonky for example, use the "rate" atom to group content.


If you could PLEASE allow us to WRITE the above tags in mp3tag as well it would be great/a life saver... I have half of these files backed-up so I'm not completely up the creek, but I still do need to run the files through mp3tag to modify their value. sad.gif
And this will allow me manually re-enter the lost ones...





Source of information behind the atoms:
code.google.com/p/mp4v2/wiki/iTunesMetadata



Does this problem exist with all tags that MP3Tag doesn't recognize? Would the standard tags found in the attached PDF (Apple's spec for tags) also be deleted?

You can find the entire spec here: http://www.twonkyforum.com/download/file.php?id=554




Thanks for your help in this Florian... It's truly appreciated!


EDIT: This is using the latest 2.46a version.

This post has been edited by edrikk: Aug 12 2010, 16:35
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Attached File  ED_Attachment.zip ( 43.78K ) Number of downloads: 323
 
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edrikk
post Aug 23 2010, 18:28
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Mp3tag Version: 2.48e



Hi,

The problem is still there with version 2.46b. sad.gif
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mrgou
post Aug 30 2010, 20:42
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Mp3tag Version: 2.43



QUOTE (edrikk @ Aug 23 2010, 19:28) *
The problem is still there with version 2.46b. sad.gif


Yes. Same issue occurs with the CDEC tag added by Nero, see here.

It was classified as fixed, but it's not.
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edrikk
post Sep 3 2010, 16:40
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Mp3tag Version: 2.48e



QUOTE (mrgou @ Aug 30 2010, 15:42) *
Yes. Same issue occurs with the CDEC tag added by Nero, see here.

It was classified as fixed, but it's not.



Can a moderator please add the [C] (confirmed) or [AF] (awaiting feedback) tag to this thread?

Thanks!
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Posts in this topic
- edrikk   [F] Unknown MP4 atoms are deleted on save   Aug 12 2010, 16:34
- - edrikk   Hi, The problem is still there with version 2.46b...   Aug 23 2010, 18:28
|- - mrgou   QUOTE (edrikk @ Aug 23 2010, 19:28) The p...   Aug 30 2010, 20:42
|- - edrikk   QUOTE (mrgou @ Aug 30 2010, 15:42) Yes. S...   Sep 3 2010, 16:40
- - edrikk   Is Florian okay? It's been a month for most it...   Sep 13 2010, 22:09
- - Florian   I'm alive However, I have a lot to do in my ...   Sep 14 2010, 07:47
- - edrikk   Hi Florian, Thanks for adding: # NEW: MP4 fields...   Sep 25 2010, 22:33
|- - edrikk   QUOTE (edrikk @ Sep 25 2010, 17:33) Hi Fl...   Oct 29 2010, 19:50
- - dano   What do you need ITUNESHDVIDEO=0 for? Isn't it...   Oct 29 2010, 20:17
|- - edrikk   QUOTE (dano @ Oct 29 2010, 15:17) What do...   Oct 29 2010, 20:32
- - dano   I know all the issues, my question was only what...   Oct 29 2010, 20:41
|- - edrikk   QUOTE (dano @ Oct 29 2010, 15:41) I know ...   Oct 29 2010, 20:51
- - edrikk   Bump. Still an issue with "e" version.   Nov 16 2010, 03:47
- - edrikk   Bump, as the issue is still present in 2.48. Tags...   Jan 26 2011, 03:01
|- - MrSinatra   QUOTE (edrikk @ Jan 26 2011, 04:01) Also,...   Jan 27 2011, 22:14
|- - edrikk   QUOTE (MrSinatra @ Jan 27 2011, 16:14) wh...   Jan 29 2011, 20:25
- - MrSinatra   thx for the info, i shared it with the winamp devs...   Jan 29 2011, 23:57
- - edrikk   Updated to 2.48b... still same issue... Florian,...   Mar 26 2011, 17:23
- - edrikk   Still an issue with 2.48d   May 2 2011, 18:40
- - Florian   Hi edrikk, thanks for your patience (and all the ...   May 6 2011, 17:27
- - edrikk   Woohoo! Thank you Florian! Version 2.48e...   May 26 2011, 03:32
- - MrSinatra   what is the appropriate data range of values for t...   Oct 9 2011, 22:38
|- - HardRock   Guys, can some one help me with this ratings ? I ...   Aug 2 2012, 20:18
|- - MrSinatra   QUOTE (HardRock @ Aug 2 2012, 21:18) Guys...   Aug 2 2012, 20:27
|- - HardRock   QUOTE (MrSinatra @ Aug 2 2012, 20:27) win...   Aug 2 2012, 21:25
|- - HardRock   QUOTE (MrSinatra @ Aug 2 2012, 20:27) win...   Aug 2 2012, 21:34
|- - HardRock   Оh yeah, i add tag rating = 5 and twonky found al...   Aug 2 2012, 21:59
- - MrSinatra   i'm not sure how to respond to all that above....   Aug 2 2012, 22:34
|- - HardRock   QUOTE (MrSinatra @ Aug 2 2012, 22:34) i...   Aug 3 2012, 05:38
- - MrSinatra   i should also add that winamp uses a 0-255 range f...   Aug 2 2012, 23:06
- - MrSinatra   ok, that makes sense to me, but lets be clear at w...   Aug 3 2012, 06:44
- - HardRock   QUOTE (MrSinatra @ Aug 3 2012, 06:44) ok,...   Aug 3 2012, 16:27
- - MrSinatra   QUOTE (HardRock @ Aug 3 2012, 17:27) yeap...   Aug 3 2012, 16:41
- - HardRock   QUOTE (MrSinatra @ Aug 3 2012, 16:41) i h...   Aug 3 2012, 17:06
- - MrSinatra   QUOTE (HardRock @ Aug 3 2012, 18:06) mayb...   Aug 10 2012, 21:33


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