ovr_Voip_GetPCMSize Function

Returns the current number of audio samples available to read for the specified user. This function is inherently racy; it's possible that more data can be added between a call to this function and a subsequent call to ovr_Voip_GetPCM().

This function can be safely called from any thread.

size_t ovr_Voip_GetPCMSize(ovrID senderID)