i have code that record amr buffers which works fine in 6600
i try to port this code to 6630 which it gives me no error but while recording
it records nothing
it returns empty buffers
i dont know if the problem comes out becuas of these values

const TUid KMMFExControllerUID={0x101f5022};
const TUint32 KMMFFourCCCodecAMR={0x524d4120};
const TUid KMmfUidFormatRAWWrite ={0x101f5c17};

i dont know what these values should be

and i dont know if any other change should be done
i appreciate any help