csl::NullIO Class Reference

#include <NullIO.h>

Inheritance diagram for csl::NullIO:

List of all members.

Public Member Functions
	NullIO ()
	Constructor.
	NullIO (unsigned s_rate, unsigned b_size, int in_device=0, int out_device=0, unsigned in_chans=0, unsigned out_chans=2)
virtual	~NullIO ()
virtual void	start () throw (CException)
	start my timer thread
virtual void	stop () throw (CException)
	stop the timer thread
virtual Buffer &	getInput () throw (CException)
	Get the current input from the sound card.
virtual Buffer &	getInput (unsigned numFrames, unsigned numChannels) throw (CException)
Static Protected Member Functions
static void *	FeederFunction (void *arg)
	shared init function
Protected Attributes
bool	mRunning
Thread *	mThread
	whether or not I'm running
Synch *	mSynch
	the sync I wait on

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Detailed Description

NullIO 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.

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Constructor & Destructor Documentation

NullIO::NullIO

(

)

Constructor.

References csl::Synch::MakeSynch(), csl::Thread::MakeThread(), mSynch, and mThread.

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

NullIO::~NullIO

(

)

[virtual]

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Member Function Documentation

void NullIO::start

(

void

)

throw (CException) [virtual]

start my timer thread

< start my timer thread

whether or not I'm running

Reimplemented from csl::IO.

Reimplemented in csl::StdIO.

References csl::Thread::createRealtimeThread(), FeederFunction(), mRunning, and mThread.

void NullIO::stop

(

void

)

throw (CException) [virtual]

stop the timer thread

< stop the timer thread

Reimplemented from csl::IO.

Reimplemented in csl::StdIO.

References csl::Synch::condSignal(), mRunning, and mSynch.

virtual Buffer& csl::NullIO::getInput

(

)

throw (CException) [inline, virtual]

Get the current input from the sound card.

Reimplemented from csl::IO.

References csl::IO::mInputBuffer.

virtual Buffer& csl::NullIO::getInput	(	unsigned	numFrames,
		unsigned	numChannels
	)			throw (CException) [inline, virtual]

Reimplemented from csl::IO.

void * NullIO::FeederFunction

(

void *

arg

)

[static, protected]

shared init function

Reimplemented in csl::StdIO.

References csl::Synch::condWait(), csl::Synch::lock(), csl::IO::mOutputBuffer, mRunning, mSynch, csl::IO::pullInput(), and csl::Synch::unlock().

Referenced by start().

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Member Data Documentation

bool csl::NullIO::mRunning [protected]

Referenced by csl::StdIO::FeederFunction(), FeederFunction(), start(), and stop().

Thread* csl::NullIO::mThread [protected]

whether or not I'm running

my timer thread

Reimplemented from csl::ThreadPthread.

Referenced by NullIO(), start(), and csl::StdIO::StdIO().

Synch* csl::NullIO::mSynch [protected]

the sync I wait on

Referenced by csl::StdIO::FeederFunction(), FeederFunction(), NullIO(), csl::StdIO::StdIO(), and stop().

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The documentation for this class was generated from the following files:

• CSL/IO/NullIO.h
• CSL/IO/NullIO.cpp