[Live-devel] recorded files atoms errors

erick.van.rijk at philips.com erick.van.rijk at philips.com
Tue Nov 16 09:58:00 PST 2004

I've done some more research why the recorded files won't play/get info on 
some of the tools I use.

* all of the test files I made have broken mp4a atoms (MPEG-4 AAC sample 
description) or ESDescriptors.
* they all specify an empty IOD which means "empty MPEG-4 presentation" 
(eg you see nothing). 
* In some files the mp4a.esds.ESDescriptor is broken: SLConfig is included 
in ESD.decoderConfig when it must be in ESD. And the ESDescriptor size is 
* In some other file the entire mp4a atom is corrupted (junk data before 
the esds atom)

Hope this helps a bit.

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