* Grabs the next frame from video file or capturing device. */

* */

/

/

Disable processing on a component */

Enable processing on a component */

/

/

/

Disable processing on a port */

Enable processing on a port */

Callback given to mmal_port_enable() */

Flush a port */

Set format on a port */

Send a buffer header to a port */

/

Callback from the input port. * Buffer has been consumed and is available to be used again. */

Callback from the input port. * Buffer has been consumed and is available to be used again. */

Indicates if is capturing */

* Returns true if video capturing has been initialized already. */

indicates if camera is open */

Copy buffer header metadata from source to dest */

Return a pointer to a referenced buffer header */

Comparison function used for inserting a request into * the list of pending requests when clock scale is negative. */

Comparison function used for inserting a request into * the list of pending requests when clock scale is positive. */

Main processing thread */

Acquire a reference on a component. * Acquiring a reference on a component will prevent a component from being destroyed until * the acquired refere

Registers an action with the core */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a clock component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Create an instance of a component */

Release a reference on a component * Release an acquired reference on a component. Triggers the destruction of the component when * the last referen

Create an instance of a component */

Acquire a reference on a connection. * Acquiring a reference on a connection will prevent a connection from being destroyed until * the acquired ref

Callback from an input port. Buffer is released. */

Callback from an output port. Buffer is queued for the next component. */

Callback from the pool. Buffer is available. */

Disable a connection. * * @param connection The connection to be disabled. * @return MMAL_SUCCESS on success. */

Apply a format changed event to the connection. * This function can be used when the client is processing buffer headers and receives * a format cha

Release a reference on a connection * Release an acquired reference on a connection. Triggers the destruction of the connection when * the last refe

* Initialisation / Deinitialisation of the MMAL core *****************************************************************************/

/