[Mp4-tech] QCELP/3gp2 issue in QuickTime

[Nitin Jain]

Hello All,
I'm encountering some problems in creating 3g2 streams with QCELP data multiplexed (along with MP4). The 3g2 library recieves a (varying) 'n' frames at a time. All these frames are put in one sample. In this scenario however, the stream has "audio breaks" when it's played in QuickTime. The same things works for the case of AMR, though. Has anyone faced any similar problem as well (with multiple frames per sample for QCELP)?
Since this is the first time I'm posting on this forum, so I dont know if attachments are allowed. If needed, I can send the the input QCELP audio file (with header removed) and the generated 3g2 on individual mail-ids. 
I would be really grateful, if you could give me some pointers on this.
Thanks aprior,
Nitin
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