Support and General Use > Audio Playback, Database and Playlists

Using MP4Box to fix iTunes-downloaded mp4 files

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saratoga:
Post one of the files or its unlikely anyone can help you.

Bockrox:
Hello again, saratoga. Thanks for the suggestion. I was a bit hesitant to submit a music file for obvious reasons.

Linked below is a music file that plays fine with most players (Totem, VLC, etc.) but cannot be played with Rockbox. I will most likely be removing it after this issue is resolved.

http://drop.io/hidden/8prkgfmoc8wvpdr/asset/YnJva2VuLW00YS1tNGE%253D

One additional thing I just remembered -- this file didn't come directly from iTunes. It was first downloaded from iTunes but then cracked with a DRM-removal tool (hymn, I believe).

Buschel:
The issue is located in libm4a/demux.c. I cannot say whether there is a bug in the code or the header of the file...

Lear:
demux.c expects a single atom in stsd, but there are two (mp4a and free) - making the following for-loop kind of silly. :) Don't know what the standard says, but it seems reasonable to ignore free chunks here.

Working on a fix... [edit] And fixed in r27938.

Bockrox:
Interesting. So I guess this was an unknown bug after all...

Is there an expected release date for 3.7? If not, I can try upgrading to the current build and report my results, as long as the current build is stable enough for day-to-day usage.

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