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Setting Datarate using Compression Session API



While using the Compression Sequence API, SetCSequenceDataRateParams
can be used to set the data rate while performing compression. This
however doesnt work for H.264 encoder.

My question is :-
Is there a similar thing while using the ICM Compression Session API
introduced in QT 7 ? There are two properties that can be set :-
kICMCompressionSessionOptionsPropertyID_AverageDataRate
and
kICMCompressionSessionOptionsPropertyID_DataRateLimits

But that doesnt seem to be working either. What is the correct way to
set the datarate for the compressed movie file ?

Thank you,
Raman
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