[speex-dev] FYI: ACM codecs in Netmeeting

[Christian Buchner]

If you want to use the Speex ACM codec in Netmeeting, you need to register
the codec with Netmeeting. Microsoft offers an API to accomplish this
task.

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmeet/nm3
codec_1xk3.asp

The function is called AddACMFormat in the IInstallAudioCodecs COM
interface.
It takes a fully initialized WAVEFORMATEX structure as well as an extra
AUDCAP_INFO structure as arguments. This WAVEFORMATEX structure can be
obtained by querying the ACM codec for its supported modes.

If you are familiar with COM programming under Windows, this is a task that
will not take very long to do (could be done in a single day). Just
instantiate a Netmeeting COM object, query for the IInstallAudioCodecs
interface and call into named function.

Some code samples are in the Netmeeting SDK, available from Microsoft. I
have used it before to programmatically access ILS servers. I could have
spammed all ILS servers with useless records, if I had wanted to ;)

It would be nice to have a utility (with GUI), allowing to add and remove
any ACM codec into Netmeeting. Imagine using Fraunhofer's MP3 in there. ;)

Christian

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