#include <JackDriver.hpp>

Inheritance diagram for Ingen::Server::JackDriver:

Collaboration diagram for Ingen::Server::JackDriver:

Classes
class	PortRegistrationFailedException

Public Member Functions
	JackDriver (Engine &engine)

bool	attach (const std::string &server_name, const std::string &client_name, void *jack_client)

void	activate ()
	Activate driver (begin processing graph and events). More...

void	deactivate ()
	Deactivate driver (stop processing graph and events). More...

void	enable ()

void	disable ()

EnginePort *	create_port (DuplexPort *graph_port)
	Create a port ready to be inserted with add_input (non realtime). More...

EnginePort *	get_port (const Raul::Path &path)
	Find a system port by path. More...

void	rename_port (const Raul::Path &old_path, const Raul::Path &new_path)
	Rename a system visible port. More...

void	port_property (const Raul::Path &path, const Raul::URI &uri, const Atom &value)
	Apply a system visible port property. More...

void	add_port (RunContext &context, EnginePort *port)
	Add a system visible port (e.g. More...

void	remove_port (RunContext &context, EnginePort *port)
	Remove a system visible port. More...

void	register_port (EnginePort &port)
	Register a system visible port. More...

void	unregister_port (EnginePort &port)
	Register a system visible port. More...

const jack_position_t *	position ()
	Transport state for this frame. More...

jack_transport_state_t	transport_state ()

void	append_time_events (RunContext &context, Buffer &buffer)
	Append time events for this cycle to `buffer`. More...

int	real_time_priority ()
	Return the real-time priority of the audio thread, or -1. More...

jack_client_t *	jack_client () const

SampleCount	block_length () const
	Return the audio buffer size in frames.

size_t	seq_size () const
	Return the event buffer size in bytes.

SampleCount	sample_rate () const
	Return the sample rate in Hz.

SampleCount	frame_time () const
	Return the current frame time (running counter)

Protected Types
typedef boost::intrusive::list< EnginePort >	Ports

Protected Attributes
Engine &	_engine

Ports	_ports

LV2_Atom_Forge	_forge

Raul::Semaphore	_sem

std::atomic< bool >	_flag

jack_client_t *	_client

jack_nframes_t	_block_length

size_t	_seq_size

jack_nframes_t	_sample_rate

uint32_t	_midi_event_type

bool	_is_activated

jack_position_t	_position

jack_transport_state_t	_transport_state

float	_old_bpm

jack_nframes_t	_old_frame

bool	_old_rolling

Friends
class	JackPort

Detailed Description

The Jack Driver.

The process callback here drives the entire audio thread by "pulling" events from queues, processing them, running the graphs, and passing events along to the PostProcessor.

Member Function Documentation

§ activate()

void Ingen::Server::JackDriver::activate ( )

virtual

Activate driver (begin processing graph and events).

Reimplemented from Ingen::Server::Driver.

§ deactivate()

void Ingen::Server::JackDriver::deactivate ( )

virtual

Deactivate driver (stop processing graph and events).

Reimplemented from Ingen::Server::Driver.

§ create_port()

EnginePort * Ingen::Server::JackDriver::create_port ( DuplexPort * graph_port )

virtual

Create a port ready to be inserted with add_input (non realtime).

May return NULL if the Driver can not create the port for some reason.

Implements Ingen::Server::Driver.

References Ingen::Server::Buffer::append_event(), Ingen::Server::PortImpl::monitor(), Ingen::Server::DuplexPort::set_driver_buffer(), and Ingen::Server::DuplexPort::set_is_driver_port().

§ get_port()

EnginePort * Ingen::Server::JackDriver::get_port ( const Raul::Path & path )

virtual

Find a system port by path.

Implements Ingen::Server::Driver.

§ rename_port()

void Ingen::Server::JackDriver::rename_port	(	const Raul::Path &	old_path,
		const Raul::Path &	new_path
	)

virtual

Rename a system visible port.

Implements Ingen::Server::Driver.

§ port_property()

void Ingen::Server::JackDriver::port_property	(	const Raul::Path &	path,
		const Raul::URI &	uri,
		const Atom &	value
	)

virtual

Apply a system visible port property.

Implements Ingen::Server::Driver.

§ add_port()

void Ingen::Server::JackDriver::add_port	(	RunContext &	context,
		EnginePort *	port
	)

virtual

Add a system visible port (e.g.

a port on the root graph).

Implements Ingen::Server::Driver.

References Ingen::Server::DuplexPort::set_driver_buffer().

§ remove_port()

void Ingen::Server::JackDriver::remove_port	(	RunContext &	context,
		EnginePort *	port
	)

virtual

Remove a system visible port.

This removes the port from the driver in the process thread but does not destroy the port. To actually remove the system port, unregister_port() must be called later in another thread.

Implements Ingen::Server::Driver.