/// <summary>
/// Get a MMAL_BUFFER_HEADER_T from a queue.
/// </summary>
/// <param name="ptr">The queue to get a buffer from.</param>
/// <returns>A new managed buffer header object.</returns>
internal static MMALBufferImpl GetBuffer(MMAL_QUEUE_T *ptr)
{
var bufPtr = MMALQueue.mmal_queue_get(ptr);
if (bufPtr == null || (IntPtr)bufPtr == IntPtr.Zero)
{
return(null);
}
return(new MMALBufferImpl(bufPtr));
}
public MMAL_CONNECTION_T(IntPtr userData, IntPtr callback, uint isEnabled, uint flags, MMAL_PORT_T *input, MMAL_PORT_T *output,
MMAL_POOL_T *pool, MMAL_QUEUE_T *queue, char *name, long timeSetup, long timeEnable, long timeDisable)
{
this.userData = userData;
this.callback = callback;
this.isEnabled = isEnabled;
this.flags = flags;
this.input = input;
this.output = output;
this.pool = pool;
this.queue = queue;
this.name = name;
this.timeSetup = timeSetup;
this.timeEnable = timeEnable;
this.timeDisable = timeDisable;
}
public static unsafe extern void mmal_queue_destroy(MMAL_QUEUE_T *ptr);
public static unsafe extern uint mmal_queue_length(MMAL_QUEUE_T *ptr);
public static unsafe extern MMAL_BUFFER_HEADER_T *mmal_queue_wait(MMAL_QUEUE_T *ptr);
public static unsafe extern void mmal_queue_put_back(MMAL_QUEUE_T *ptr, MMAL_BUFFER_HEADER_T *header);
public static unsafe extern void mmal_queue_put(MMAL_QUEUE_T *ptr, MMAL_QUEUE_T *ptr2);
public MMAL_POOL_T(MMAL_QUEUE_T *queue, uint headersNum, IntPtr header)
{
this.queue = queue;
this.headersNum = headersNum;
this.header = header;
}
/// <summary>
/// Creates a new instance of <see cref="MMALQueueImpl"/>.
/// </summary>
/// <param name="ptr">The native pointer.</param>
public MMALQueueImpl(MMAL_QUEUE_T *ptr)
{
this.Ptr = ptr;
}
public static extern unsafe MMAL_BUFFER_HEADER_T *mmal_queue_timedwait(MMAL_QUEUE_T *ptr, int waitms);
public static extern unsafe MMAL_BUFFER_HEADER_T *mmal_queue_get(MMAL_QUEUE_T *ptr);
public static extern unsafe void mmal_queue_put(MMAL_QUEUE_T *ptr, MMAL_BUFFER_HEADER_T *header);