AudioGrabber Class Reference

#include <Devices/AudioGrabber.H>

Inheritance diagram for AudioGrabber:

[legend]Collaboration diagram for AudioGrabber:

[legend]List of all members.

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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.

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< bool >	itsStereo
	stereo recording?

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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 55 of file AudioGrabber.C.

AudioGrabber::~AudioGrabber (   )

Destructor. Definition at line 136 of file AudioGrabber.C.

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Member Function Documentation

template<class T> void AudioGrabber::grab (  AudioBuffer< T > &  buf  )  const

Grab a buffer. Definition at line 141 of file AudioGrabber.C. References ASSERT, AudioBuffer< T >::getDataPtr(), OModelParam< T >::getVal(), itsBits, itsBufsamples, itsFreq, itsStereo, NO_INIT, PLERROR, and AudioBuffer< T >::sizeBytes(). Referenced by audiorecorder(), and grabAudio().

void AudioGrabber::start2 (   )  [protected, virtual]

get started (see ModelComponent.H) Reimplemented from ModelComponent. Definition at line 67 of file AudioGrabber.C. References OModelParam< T >::getVal(), itsBits, itsBufsamples, itsDevName, itsFreq, itsStereo, LDEBUG, LFATAL, LINFO, PLERROR, PLFATAL, and x.

void AudioGrabber::stop1 (   )  [protected, virtual]

get stopped (see ModelComponent.H) Reimplemented from ModelComponent. Definition at line 123 of file AudioGrabber.C. References PLFATAL.

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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<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::itsStereo [protected]

stereo recording? Definition at line 72 of file AudioGrabber.H. Referenced by grab(), and start2().

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

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

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