io_asterisk_sound_t Class Reference

Sound data handling of io tcp library. More...

Public Member Functions
	io_asterisk_sound_t (int fragsize, float samplerate)
	Initialize sound data handling. More...
virtual	~io_asterisk_sound_t ()
	Do-nothing destructor. More...
virtual void	prepare (int num_inchannels, int num_outchannels)
	Called during prepare, sets number of audio channels and allocates sound data storage. More...
virtual void	release ()
	Called during release. More...
virtual int	chunkbytes_in () const
	Number of bytes that constitute one input sound chunk. More...
virtual std::string	header () const
	Create the tcp sound header lines. More...
std::string &	hton (const mha_wave_t *s_out)
	Serialize data for network transfer. More...
mha_wave_t *	ntoh (const std::string &data)
	Deserialize data from network. More...

Private Attributes
int	fragsize
	Number of sound samples in each channel expected and returned from processing callback. More...
float	samplerate
	Sampling rate. More...
int	num_inchannels
	Number of input channels. More...
int	num_outchannels
MHASignal::waveform_t *	s_in
	Storage for input signal. More...
std::string	output_data
	Serialized data for network trnasfer. More...

Detailed Description

Sound data handling of io tcp library.

Constructor & Destructor Documentation

io_asterisk_sound_t()

io_asterisk_sound_t::io_asterisk_sound_t	(	int	fragsize,
		float	samplerate
	)

Initialize sound data handling.

Parameters

fragsize	Number of sound samples in each channel expected and returned from processing callback.
samplerate	Number of samples per second in each channel.

~io_asterisk_sound_t()

virtual io_asterisk_sound_t::~io_asterisk_sound_t ( )

inlinevirtual

Do-nothing destructor.

Member Function Documentation

prepare()

void io_asterisk_sound_t::prepare ( int  num_inchannels, int  num_outchannels  )

virtual

Called during prepare, sets number of audio channels and allocates sound data storage.

Parameters

num_inchannels	Number of input audio channels.
num_outchannels	Number of output audio channels.

release()

void io_asterisk_sound_t::release ( void  )

virtual

Called during release.

Deletes sound data storage.

chunkbytes_in()

int io_asterisk_sound_t::chunkbytes_in ( ) const

virtual

Number of bytes that constitute one input sound chunk.

Returns

Number of bytes to read from TCP connection before invoking signal processing.

header()

std::string io_asterisk_sound_t::header ( ) const

virtual

Create the tcp sound header lines.

hton()

std::string & io_asterisk_sound_t::hton

(

const mha_wave_t *

s_out

)

Serialize data for network transfer.

ntoh()

mha_wave_t * io_asterisk_sound_t::ntoh

(

const std::string &

data

)

Deserialize data from network.

Member Data Documentation

fragsize

int io_asterisk_sound_t::fragsize

private

Number of sound samples in each channel expected and returned from processing callback.

samplerate

float io_asterisk_sound_t::samplerate

private

Sampling rate.

Number of samples per second in each channel.

num_inchannels

int io_asterisk_sound_t::num_inchannels

private

Number of input channels.

Number of channels expected from and returned by signal processing callback.

num_outchannels

int io_asterisk_sound_t::num_outchannels

private

s_in

MHASignal::waveform_t* io_asterisk_sound_t::s_in

private

Storage for input signal.

output_data

std::string io_asterisk_sound_t::output_data

private

Serialized data for network trnasfer.

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

• MHAIOAsterisk.cpp