parse command line returns the index of a command line param in argv. If not found, return -1

Release a buffer header. * Releasing a buffer header will decrease its reference counter and when no more references * are left, the buffer header w

Replicate a buffer header */

Return the current local media-time */

Unlock an action to allow it to run again */

Release a reference to a component */

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Allocate a format structure */

Create a new linked list. */

Allocate a port structure */

Set the clock port's media-time */

Enable processing on a port * * If this port is connected to another, the given callback must be NULL, while for a * disconnected port, the callbac

Commit format changes on a port. * * @param port The port for which format changes are to be committed. * @return MMAL_SUCCESS on success */

Helper function to set the value of a boolean parameter. * @param port port on which to set the parameter * @param id parameter id * @param v

Send a buffer header to a port. * * @param port The port to which the buffer header is to be sent. * @param buffer The buffer header to send. * @r

Reduce a rational number to it's simplest form. */

Wait for an empty buffer to be available on a port */

Reset the internal state of all streams in order to rebase clock * adjustment calculations */

Remove the oldest sample from the filter */

Returns the value of a param. If not present, returns the defvalue

Check whether 2 ports of a component are linked */

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Set the clock state */

Get the clock's state */

Change the clock scale */

* Clock module private functions *****************************************************************************/ Update the internal wall-time and med

Lock an action to prevent it from running */

Create an instance of a component. * The newly created component will expose ports to the client. All the exposed ports are * disabled by default.

Destroy a previously created component */

Disable processing on a component */

Enable processing on a component * @param component component to enable * @return MMAL_SUCCESS on success */

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Add an element to the front of the list. */

Resize a pool of MMAL_BUFFER_HEADER_T */

Set the clock port's active state */

Set the clock port's discontinuity threshold */

Set the clock port's request threshold */

Set the clock port's update threshold */

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Create a pool of MMAL_BUFFER_HEADER_T associated with a specific port. * This allows a client to allocate memory for the payload buffers based on the

Allocate an array of clock ports */

Free an array of clock ports */

Tests for equality */

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