| const TInt | KMMFSubThreadMaxCachedMessages | [static] | 
Defines the maximum number of event messages that will be held server-side
while waiting for the client to request the next message in the queue.
| const TInt | KMMFSubThreadMaxHeapSize | [static] | 
Defines the maximum heap size paramater used when creating the datapath subthread.
ITC message ID's used by the client to send commands to the datapath subthread server.
| Enumerator | Value | Description | 
|---|---|---|
| EMMFSubThreadReceiveEvents | Message ID for message to request next event from the sub thread server. | |
| EMMFSubThreadCancelReceiveEvents | Message ID for message to cancel a previous request to receive an event from the sub thread server. | |
| EMMFSubThreadShutdown | Message ID for message to request that the sub thread shuts itself down. | |
| EMMFDataPathProxyLoadDataPathBy | Message ID for message to request the datapath subthread load a datapath. | |
| EMMFDataPathProxyLoadDataPathByMediaId | Message ID for message to request the datapath subthread load a datapath with a specified media ID. | |
| EMMFDataPathProxyLoadDataPathByCodecUid | Message ID for message to request the datapath subthread load a datapath with a specified codec. | |
| EMMFDataPathProxyLoadDataPathByMediaIdCodecUid | Message ID for message to request the datapath subthread load a datapath with a specified media ID and codec. | |
| EMMFDataPathProxyAddDataSource | Message ID for message to add a data source to the datapath. | |
| EMMFDataPathProxyAddDataSink | Message ID for message to add a data sink to the datapath. | |
| EMMFDataPathProxyPrime | Message ID for message to prime the datapath. | |
| EMMFDataPathProxyPlay | Message ID for message to start the datapath playing. | |
| EMMFDataPathProxyPause | Message ID for message to pause the datapath. | |
| EMMFDataPathProxyStop | Message ID for message to stop the datapath. | |
| EMMFDataPathProxyGetPosition | Message ID for message to get the datapath's position. | |
| EMMFDataPathProxySetPosition | Message ID for message to set the datapath's position. | |
| EMMFDataPathProxySetPlayWindow | Message ID for message to set the datapath's play window. | |
| EMMFDataPathProxyClearPlayWindow | Message ID for message to clear the datapath's play window. | |
| EMMFDataPathProxyState | Message ID for message to get the datapath's current state. | |
| EMMFAudioPolicyProxyGetAudioPolicy | Unused. |