/

Remove the last element in the list. */

Get the next event and hold the lock. Should only be * accessed by the macros below. */

Release the lock. Should only be accessed by the macros below. */

Buffer header release callback. * Call out to a further client callback and put the buffer back in the queue * so it can be reused, unless the clien

Set a pre-release callback for all buffer headers in the pool */

Get the clock port's active state */

* Public functions *****************************************************************************/ Allocate a clock port */

Provide output buffer information */

FIXME: mmal_buffer_header_mem_lock() assumes that payload memory is on the * relocatable heap when on VC. However that is not always the case. The MM

Get the clock port's reference state */

Callback invoked by the clock module in response to a client request */

Connect an output port to an input port. * * When connected and enabled, buffers will automatically progress from the * output port to the input po

Default behaviour when setting up or tearing down a connection to another port */

Connected input port buffer callback */

Connected output port buffer callback */

Callback for when a buffer from a connected input port is finally released */

Disconnect a connected port. * * If the port is not connected, an error will be returned. Otherwise, if the * ports are enabled, they will be disab

Get an empty event buffer header from a port * * @param port The port from which to get the event buffer header. * @param buffer The address of a b

Ask a port to release all the buffer headers it currently has. * * Flushing a port will ask the port to send all the buffer headers it currently has

Get a parameter from a port. * The size field must be set on input to the maximum size of the parameter * (including the header) and will be set on

Helper function to get the value of a boolean parameter */

Helper function to get the value of a 32 bits signed integer parameter */

Helper function to get the value of a 64 bits signed integer parameter */

Helper function to get the value of a rational parameter */

Helper function to get the value of a 64 bits unsigned integer parameter */

Helper function to set the value of an array of bytes parameter */

Helper function to set the value of a 32 bits signed integer parameter */

Helper function to set the value of a 64 bits signed integer parameter */

Helper function to set the value of a rational parameter */

Helper function to set the value of a 64 bits unsigned integer parameter */

Allocate a payload buffer. * This allows a client to allocate memory for a payload buffer based on the preferences * of a port. This for instance wi

Free a payload buffer. * This allows a client to free memory allocated by a previous call to \ref mmal_port_payload_alloc. * * See \ref mmal_pool_c

Destroy a pool of MMAL_BUFFER_HEADER_T */

Wait for a MMAL_BUFFER_HEADER_T from a QUEUE. */

Calculate a / b */

Calculate a * b */

Calculate a - b. */

Create a component given its name. */

Connect 2 ports together */

Disable processing on a port */

Enable processing on a port */

Flush a port */

Get parameter on a port */

Set parameter on a port */

Called from the client to send a buffer (empty or full) to * the copro. */

Called back from VCHI(Q) event handler when buffers come back from the copro. * * The message points to the message sent by videocore, and which sho