3.1.5.27.2 LocalSoundBufferCallback_OnSoundBufferReady
The LocalSoundBufferCallback_OnSoundBufferReady message notifies the listener that the SoundBuffer is ready. This callback message can only be sent once the SoundBuffer is ready to be used.
The idTarget field MUST be a valid ID of a SoundBuffer.
The fields of the LocalSoundBufferCallback_OnSoundBufferReady are specified in section 2.2.5.2.
The common header fields are specified in section 2.2.4.