AudioGrabber Class Reference

Class to grab audio samples from an audio device. More...

#include <Devices/AudioGrabber.H>

Inheritance diagram for AudioGrabber:

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Collaboration diagram for AudioGrabber:

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List of all members.

Public Member Functions
	AudioGrabber (OptionManager &mgr, const std::string &descrName="Audio Grabber Driver", const std::string &tagName="AudioGrabber")
	Constructor.
	~AudioGrabber ()
	Destructor.
template<class T >
void	grab (AudioBuffer< T > &buf) const
	Grab a buffer.
Protected Member Functions
void	start2 ()
	get started (see ModelComponent.H)
void	stop1 ()
	get stopped (see ModelComponent.H)
Protected Attributes
OModelParam< std::string >	itsDevName
	audio device name
OModelParam< uint >	itsBits
	bits per sample (8 or 16)
OModelParam< uint >	itsFreq
	sampling frequency (Hz)
OModelParam< uint >	itsBufsamples
	samples per buffer
OModelParam< uint >	itsChans
	number of channels
OModelParam< bool >	itsInterleaved
	channel data interleaved?

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Detailed Description

Class to grab audio samples from an audio device.

For now, grabbing is done using a blocking read() onto the DSP device.

Definition at line 49 of file AudioGrabber.H.

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Constructor & Destructor Documentation

AudioGrabber::AudioGrabber	(	OptionManager &	mgr,
		const std::string &	descrName = "Audio Grabber Driver",
		const std::string &	tagName = "AudioGrabber"
	)

Constructor.

Definition at line 58 of file AudioGrabber.C.

AudioGrabber::~AudioGrabber

(

)

Destructor.

Definition at line 144 of file AudioGrabber.C.

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Member Function Documentation

template<class T >

void AudioGrabber::grab

(

AudioBuffer< T > &

buf

)

const [inline]

Grab a buffer.

Definition at line 149 of file AudioGrabber.C.

References ASSERT, Image< T >::attach(), Image< T >::detach(), Image< T >::getArrayPtr(), AudioBuffer< T >::getDataPtr(), OModelParam< T >::getVal(), itsBits, itsBufsamples, itsChans, itsFreq, itsInterleaved, NO_INIT, AudioBuffer< T >::sizeBytes(), and transpose().

void AudioGrabber::start2

(

)

[protected, virtual]

get started (see ModelComponent.H)

Reimplemented from ModelComponent.

Definition at line 71 of file AudioGrabber.C.

References OModelParam< T >::getVal(), itsBits, itsBufsamples, itsChans, itsDevName, and itsFreq.

void AudioGrabber::stop1

(

)

[protected, virtual]

get stopped (see ModelComponent.H)

Reimplemented from ModelComponent.

Definition at line 131 of file AudioGrabber.C.

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Member Data Documentation

OModelParam<uint> AudioGrabber::itsBits [protected]

bits per sample (8 or 16)

Definition at line 69 of file AudioGrabber.H.

Referenced by grab(), and start2().

OModelParam<uint> AudioGrabber::itsBufsamples [protected]

samples per buffer

Definition at line 71 of file AudioGrabber.H.

Referenced by grab(), and start2().

OModelParam<uint> AudioGrabber::itsChans [protected]

number of channels

Definition at line 72 of file AudioGrabber.H.

Referenced by grab(), and start2().

OModelParam<std::string> AudioGrabber::itsDevName [protected]

audio device name

Definition at line 68 of file AudioGrabber.H.

Referenced by start2().

OModelParam<uint> AudioGrabber::itsFreq [protected]

sampling frequency (Hz)

Definition at line 70 of file AudioGrabber.H.

Referenced by grab(), and start2().

OModelParam<bool> AudioGrabber::itsInterleaved [protected]

channel data interleaved?

Definition at line 73 of file AudioGrabber.H.

Referenced by grab().

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

• src/Devices/AudioGrabber.H
• src/Devices/AudioGrabber.C