Description

VuoCompositionLoader implementation.

Copyright: Copyright © 2012–2013 Kosada Incorporated. This code may be modified and distributed under the terms of the MIT License. For more information, see http://vuo.org/license.

Functions
void	_dispatch_main_queue_callback_4CF (mach_msg_header_t *msg)
	Private API function in libdispatch.

void	replaceComposition (const char dylibPath, const char updatedCompositionDiff)
	Replaces the currently running composition (if any) with the given composition.

void	stopComposition (void)
	Sends a control request to the composition telling it to stop.

void	pauseComposition (void)
	Sends a control request to the composition telling it to pause.

void	unpauseComposition (void)
	Sends a control request to the composition telling it to unpause.

void	loadResourceDylib (const char *resourceDylibPath)
	Loads the resource dylib at the given path and adds the resulting handle to the list of resource dylibs.

void	unloadResourceDylibs (void)
	Unloads all resource dylibs.

void	vuoLoaderControlReplySend (enum VuoLoaderControlReply reply, zmq_msg_t *messages, unsigned int messageCount)
	Sends a control reply message to the process controlling this composition loader.

void	vuoControlRequestSend (enum VuoControlRequest request, zmq_msg_t *messages, unsigned int messageCount)
	Sends a control request message to the running composition.

void	vuoControlReplyReceive (enum VuoControlReply expectedReply)
	Receives a control reply message from the running composition, and checks that it is the expected reply.

Variables
void *	ZMQLoaderControlContext = NULL
	The context for initializing sockets to control the composition loader.

void *	ZMQLoaderControl = NULL
	The socket for controlling the composition loader.

void *	ZMQControlContext = NULL
	The context for initializing sockets to control the composition.

void *	ZMQControl = NULL
	The socket for controlling the composition.

char *	controlURL = NULL
	The URL that the composition will use to initialize its control socket.

char *	telemetryURL = NULL
	The URL that the composition will use to initialize its telemetry socket.

bool *	isStopped = NULL
	True if the composition has stopped.

bool *	isPaused = NULL
	True if the composition is paused.

bool	isReplacing = false
	True if the composition is in the process of being replaced.

void *	dylibHandle = NULL
	A handle to the running composition.

void **	resourceDylibHandles = NULL
	A list of handles to the running composition's resources.

size_t	resourceDylibHandlesSize = 0
	The number of items in `resourceDylibHandles`.

size_t	resourceDylibHandlesCapacity = 0
	The number of items that `resourceDylibHandlesCapacity` can currently hold.

Function Documentation

void loadResourceDylib ( const char * resourceDylibPath )

Loads the resource dylib at the given path and adds the resulting handle to the list of resource dylibs.

If resourceDylibPath is the empty string, does nothing.