typedef struct _ModulePeriodicStreaming
{
    ModuleInstanceDescriptor instance;            // Common Audio Weaver module instance structure
    INT32 transferBufferSize;                     // NOT USED. Size of the transfer buffer, in 32-bit words.
    INT32 circularBufferSize;                     // Size of the circular buffer, in 32-bit words.
    INT32 prefillLevel;                           // NOT USED. Circular buffer fills to this number of words before data is output.
    INT32 underflowCount;                         // Number of output samples that could not be serviced.
    INT32 currentFillLevel;                       // Number of available data samples in the circular buffer.
    INT32 isReady;                                // Boolean that indicates whether the module is ready to output data.
    INT32 isPrefilling;                           // Boolean that indicates whether the module is waiting for prefill data. While waiting, the module does not output data.
    INT32 asyncStatus;                            // Used to pass asynchronous messages (pause/stop/play) from the PC to the target.
    INT32 playbackState;                          // Indicates the current state of the player: FIOS_Stopped, FIOS_Playing, FIOS_Paused. Starts out in FIOS_Stopped.
    INT32 isNewStream;                            // Boolean that indicates whether the player has just output the first block of a new file.
    INT32 fileExtension;                          // First 4 letters of the file extension each packed as a byte into the word (for commonality with the file_streaming_module.m).
    INT32 writeIndex;                             // Index at which to write data into the circular buffer.
    INT32 readIndex;                              // Index at which to read data out of the circular buffer.
    INT32* transferBuffer;                        // NOT USED. Data transferred from PC to target DSP via this buffer.
    INT32* circularBuffer;                        // Data transferred from PC to target DSP via this buffer.
} ModulePeriodicStreamingClass;