JackIO is an IO that uses a thread and a timer to call its graph's nextBuffer(); it doesn't do anything with the resulting buffer, but assumes that other objects (observers of the graph) will handle some actual IO. More...

#include <JackIO.h>

Inheritance diagram for csl::JackIO:

List of all members.

Public Member Functions
	JackIO ()
	Constructor.
	JackIO (unsigned s_rate, unsigned b_size, int in_device=0, int out_device=0, unsigned in_chans=0, unsigned out_chans=2)
virtual	~JackIO ()
void	open () throw (CException)
	open/close start/stop methods
void	close () throw (CException)
	open/close start/stop methods
void	start () throw (CException)
	start my timer thread
void	stop () throw (CException)
	stop the timer thread
virtual void	test () throw (CException)
void	setRoot (UnitGenerator &root)
	test the IO's graph
void	clearRoot ()
	set/clear my graph root generator
void	pullInput (Buffer &outBuffer, SampleBuffer out=0) throw (CException)
	get a buffer from the CSL graph
virtual Buffer &	getInput () throw (CException)
	Get the current input from the sound card.
virtual Buffer &	getInput (unsigned numFrames, unsigned numChannels) throw (CException)
unsigned	getAndIncrementSequence ()
	increment and answer my seq #
void	attachObserver (Observer *)
	(possibly notify obersvers on my death)
void	detachObserver (Observer *)
void	changed (void *argument)
	this is what I send to myself to notify my observers; It's not overridden in general. It results in the observers receiving update() calls < override evaluate to filter updates to the observer map
virtual int	evaluate (void *argument)

Public Attributes
jack_port_t *	mInput_port
jack_port_t *	mOutput_port
jack_client_t *	mClient
UnitGenerator *	mGraph
	the root of my client DSP graph, often a mixer or panner
Buffer	mInputBuffer
	the most recent input buffer (if it's turned on)
Buffer	mOutputBuffer
	the output buffer I use (passed to nextBuffer calls)
SampleBuffer	mInputPointer
	the buffer for holding the sound card input (if open)
unsigned *	mChannelMap
	the output channel remapping array
unsigned	mNumFramesPlayed
	counter of frames I've played
unsigned	mSequence
	sequence counter
unsigned	mLoggingPeriod
	logging period in seconds
unsigned	mNumInChannels
	inputs
unsigned	mNumOutChannels
	outputs
unsigned	mNumRealInChannels
	physical inputs
unsigned	mNumRealOutChannels
	physical outputs
IO_Status	mStatus
	status flag
bool	mInterleaved
	flag if IO is interleaved

Protected Member Functions
virtual void	initialize (unsigned sr, unsigned bs, int is, int os, unsigned ic, unsigned oc)
	initialize overridden in subclasses

Detailed Description

JackIO is an IO that uses a thread and a timer to call its graph's nextBuffer(); it doesn't do anything with the resulting buffer, but assumes that other objects (observers of the graph) will handle some actual IO.

Definition at line 22 of file JackIO.h.

Constructor & Destructor Documentation

JackIO::JackIO ( )

Constructor.

Definition at line 41 of file JackIO.cpp.

JackIO::JackIO	(	unsigned	s_rate,
		unsigned	b_size,
		int	in_device = `0`,
		int	out_device = `0`,
		unsigned	in_chans = `0`,
		unsigned	out_chans = `2`
	)

Definition at line 45 of file JackIO.cpp.

JackIO::~JackIO ( )

virtual

Definition at line 52 of file JackIO.cpp.

Member Function Documentation

void JackIO::open ( ) throw (CException)

virtual

open/close start/stop methods

< open/close start/stop methods

Reimplemented from csl::IO.

Definition at line 66 of file JackIO.cpp.

References jack_shutdown(), JackCallback(), csl::kLogError, csl::logMsg(), mClient, mInput_port, mOutput_port, and ports.

void JackIO::close ( ) throw (CException)

virtual

open/close start/stop methods

Reimplemented from csl::IO.

Definition at line 124 of file JackIO.cpp.

References mClient.

void JackIO::start ( void ) throw (CException)

virtual

start my timer thread

< start my timer thread

Reimplemented from csl::IO.

Definition at line 128 of file JackIO.cpp.

void JackIO::stop ( void ) throw (CException)

virtual

stop the timer thread

< stop the timer thread

Reimplemented from csl::IO.

Definition at line 131 of file JackIO.cpp.

virtual void csl::IO::test ( ) throw (CException)

inlinevirtualinherited

Reimplemented in csl::FileIO, and csl::PAIO.

Definition at line 727 of file CSL_Core.h.

void IO::setRoot ( UnitGenerator & root )

inherited

test the IO's graph

Definition at line 1249 of file CSL_Core.cpp.

References csl::UnitGenerator::addOutput(), and csl::IO::mGraph.

Referenced by main(), and csl::VSTIO::VSTIO().

void IO::clearRoot ( )

inherited

set/clear my graph root generator

Definition at line 1254 of file CSL_Core.cpp.

References csl::IO::mGraph, and csl::UnitGenerator::removeOutput().

void IO::pullInput	(	Buffer &	outBuffer,
		SampleBuffer	out = `0`
	)		throw (CException)

inherited

get a buffer from the CSL graph

Definition at line 1269 of file CSL_Core.cpp.

References GET_TIME, csl::kLogError, csl::logMsg(), and csl::CException::mMessage.

Referenced by csl::JUCEIO::audioDeviceIOCallback(), csl::NullIO::FeederFunction(), csl::StdIO::FeederFunction(), JackCallback(), pa_callback(), csl::VSTIO::processReplacing(), and RenderCallback().

Buffer & IO::getInput ( ) throw (CException)

virtualinherited

Get the current input from the sound card.

Reimplemented in csl::FileIO, csl::AUIO, csl::AUIO, and csl::NullIO.

Definition at line 1358 of file CSL_Core.cpp.

References csl::IO::mInputBuffer, csl::Buffer::mNumChannels, and csl::Buffer::mNumFrames.

Buffer & IO::getInput	(	unsigned	numFrames,
		unsigned	numChannels
	)		throw (CException)

virtualinherited

Reimplemented in csl::FileIO, csl::AUIO, csl::AUIO, and csl::NullIO.

Definition at line 1364 of file CSL_Core.cpp.

References csl::Interleaver::deinterleave(), and mNumInChannels.

unsigned IO::getAndIncrementSequence ( )

inherited

increment and answer my seq #

Definition at line 1262 of file CSL_Core.cpp.

References csl::IO::mSequence.

virtual void csl::IO::initialize	(	unsigned	sr,
		unsigned	bs,
		int	is,
		int	os,
		unsigned	ic,
		unsigned	oc
	)

inlineprotectedvirtualinherited

initialize overridden in subclasses

Reimplemented in csl::PAIO.

Definition at line 765 of file CSL_Core.h.

void Model::attachObserver ( Observer * o )

inherited

(possibly notify obersvers on my death)

register/remove observers

Definition at line 491 of file CGestalt.cpp.

References csl::logMsg(), csl::Observer::mKey, and csl::Observer::mPeriod.

Referenced by csl::SpatialPanner::setSpeakerLayout().

void Model::detachObserver ( Observer * o )

inherited

Definition at line 507 of file CGestalt.cpp.

References csl::logMsg().

Referenced by csl::SpatialPanner::setSpeakerLayout(), and csl::SpatialPanner::~SpatialPanner().

void Model::changed ( void * argument )

inherited

this is what I send to myself to notify my observers; It's not overridden in general. It results in the observers receiving update() calls < override evaluate to filter updates to the observer map

Definition at line 529 of file CGestalt.cpp.

References csl::logMsg().

Referenced by csl::SpeakerLayout::addSpeaker(), csl::MIDIIn::handleIncomingMidiMessage(), and csl::SpeakerLayout::setDefaultSpeakerLayout().

virtual int csl::Model::evaluate ( void * argument )

inlinevirtualinherited

Reimplemented in csl::MIDIIn.

Definition at line 259 of file CGestalt.h.