Support and General Use > Audio Playback, Database and Playlists

ipod 5g, 60gb, problems with nero aac

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Lear:
Another thing to try is to add the "-i" option (or -ignorelength, don't remember exactly what it is called). Maybe if you try to encode directly through stdin and "-i" isn't specified, the metadata gets placed at the end of the file, something Rockbox doesn't support.

francescob:
tried the -ignorelength command, no luck. Filesize is a bit different, working file is a punch of byte smaller.. now i'm going to investigate the differences between the two

ok, there is sure a problem with the file encoded directly from cd, as running mp4dump gives this message:
mp4dump.exe version 1.4.1
ReadAtom: invalid atom size, extends outside parent atom - skipping to end of ""
 "" 1229206275 vs 4915158
MP4ERROR: MP4File::FindIntegerProperty: no such property - moov.mvhd.modificatio
nTime

while with the file encoded from wav, and running in rockbox, mp4dump gives correct output

bk:
I've found that every AAC file I have that won't play correctly in Rockbox also will bomb out mp4dump with that error (or a similar one). Obviously there's some metadata problem but mp4dump is being less than helpful in determining what it is.

Llorean:
Actually, MP4dump has actually told you exactly what the error is (I think), that the metadata atom has an invalid size. Which would suggest that your encoder isn't creating the metadata properly.

francescob:
using foobar for encoding the files directly from cds, using the same command line, gives fully working mp4 files

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