You can check the QT-API list archive for some discussion on the new Apple
ActiveX control for QT7. Its main developer from what I know is John Chromie
from Apple (will find his e-mail in the list archive).
There's been discussion on AAC licensing on this list and some people
described the licensing process. You can get licence I think from MPEG
consoritum's website and then you're supposed to contact Apple to show them
some license certificate or something so that they can give you the extra
stuff that's missing from the QuickTime SDK to encode AAC etc.
-----Original Message-----
From: Howard Peters [mailto:email@hidden]
Sent: Saturday, December 31, 2005 12:38 PM
To: George Birbilis; email@hidden
Subject: RE: Exporting with COM control in VB6
That would explain it.
The options for audio codecs in 3GP are AAC-LM and AMR-NB.
I've done a quick Google on AAC license, and it's not something I can just
buy and install is it?
Contact Apple? How do I do that then? The reason I signed up to this list is
that I can't find any documentation on this control, apart from a single
sample project. Apple don't appear to provide support at all.
Can you help with some contact details? It would be much appreciated.
Thanks
Howard
-----Original Message-----
From: George Birbilis [mailto:email@hidden]
Sent: 30 December 2005 17:23
To: Howard Peters; email@hidden
Subject: RE: Exporting with COM control in VB6
>I am using the COM control included with Quicktime 7 Pro in a VB6
project.
>I am exporting movies to 3GP files.
>It all works, except for audio.
>When I call 'ShowExportDialog' from the QTExporter object, I can set
video
settings, but all audio codecs are greyed out. This only >happens when
exporter type is set to 3G.
>If I use the Quicktime player application, I can encode audio, so the
codecs must be there.
Do 3GP files use AAC or something for audio? If you have QT Pro you have
license to encode to such ONLY via the QuickTime player application. If you
obtain license from MPEG consortium or whoever else holds the respective
license, you can then contact Apple to get some QuickTime SDK add-on to be
able to encode to the respective format too
-------------------------------------------------------------
George Birbilis (email@hidden)
Microsoft MVP J# for 2004, 2005
http://www.kagi.com/birbilis
QuickTime, QTVR, ActiveX, Delphi VCL, .NET etc.
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