parameter.h File Reference

Parameter with linear interpolation. More...

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Typedefs
typedef struct _aubio_parameter_t	aubio_parameter_t
	parameter object

Functions
aubio_parameter_t *	new_aubio_parameter (smpl_t min_value, smpl_t max_value, uint_t steps)
	create new parameter object More...
uint_t	aubio_parameter_set_target_value (aubio_parameter_t *param, smpl_t value)
	set target value of the parameter More...
smpl_t	aubio_parameter_get_next_value (aubio_parameter_t *param)
	get next parameter More...
smpl_t	aubio_parameter_get_current_value (const aubio_parameter_t *param)
	get current parameter value, without interpolation More...
uint_t	aubio_parameter_set_current_value (aubio_parameter_t *param, smpl_t value)
	set current parameter value, skipping interpolation More...
uint_t	aubio_parameter_set_steps (aubio_parameter_t *param, uint_t steps)
	set number of steps used for interpolation More...
uint_t	aubio_parameter_get_steps (const aubio_parameter_t *param)
	get number of steps of this parameter More...
uint_t	aubio_parameter_set_min_value (aubio_parameter_t *param, smpl_t min_value)
	set minimum value of this parameter More...
smpl_t	aubio_parameter_get_min_value (const aubio_parameter_t *param)
	get minimum value of this parameter More...
uint_t	aubio_parameter_set_max_value (aubio_parameter_t *param, smpl_t max_value)
	set maximum value of this parameter More...
smpl_t	aubio_parameter_get_max_value (const aubio_parameter_t *param)
	get maximum value of this parameter More...
void	del_aubio_parameter (aubio_parameter_t *param)
	destroy aubio_parameter_t object More...

Detailed Description

Parameter with linear interpolation.

This object manages a parameter, with minimum and maximum values, and a number of steps to compute linear interpolation between two values.

Definition in file parameter.h.

Function Documentation

aubio_parameter_get_current_value()

smpl_t aubio_parameter_get_current_value

(

const aubio_parameter_t *

param

)

get current parameter value, without interpolation

Parameters

param

parameter, created by new_aubio_parameter

Returns

current value

Examples:

utils/test-parameter.c.

aubio_parameter_get_max_value()

smpl_t aubio_parameter_get_max_value

(

const aubio_parameter_t *

param

)

get maximum value of this parameter

Parameters

param

parameter, created by new_aubio_parameter

Returns

maximum value

aubio_parameter_get_min_value()

smpl_t aubio_parameter_get_min_value

(

const aubio_parameter_t *

param

)

get minimum value of this parameter

Parameters

param

parameter, created by new_aubio_parameter

Returns

minimum value

aubio_parameter_get_next_value()

smpl_t aubio_parameter_get_next_value

(

aubio_parameter_t *

param

)

get next parameter

Parameters

param

parameter, created by new_aubio_parameter

Returns

new interpolated parameter value

Examples:

utils/test-parameter.c.

aubio_parameter_get_steps()

uint_t aubio_parameter_get_steps

(

const aubio_parameter_t *

param

)

get number of steps of this parameter

Parameters

param

parameter, created by new_aubio_parameter

Returns

number of steps

Examples:

utils/test-parameter.c.

aubio_parameter_set_current_value()

uint_t aubio_parameter_set_current_value	(	aubio_parameter_t *	param,
		smpl_t	value
	)

set current parameter value, skipping interpolation

Parameters

param	parameter, created by new_aubio_parameter
value	new parameter value

Returns

0 if successful, 1 otherwise

Examples:

utils/test-parameter.c.

aubio_parameter_set_max_value()

uint_t aubio_parameter_set_max_value	(	aubio_parameter_t *	param,
		smpl_t	max_value
	)

set maximum value of this parameter

Parameters

param	parameter, created by new_aubio_parameter
max_value	new maximum value

Returns

0 if successful, 1 otherwise

Examples:

utils/test-parameter.c.

aubio_parameter_set_min_value()

uint_t aubio_parameter_set_min_value	(	aubio_parameter_t *	param,
		smpl_t	min_value
	)

set minimum value of this parameter

Parameters

param	parameter, created by new_aubio_parameter
min_value	new minimum value

Returns

0 if successful, 1 otherwise

Examples:

utils/test-parameter.c.

aubio_parameter_set_steps()

uint_t aubio_parameter_set_steps	(	aubio_parameter_t *	param,
		uint_t	steps
	)

set number of steps used for interpolation

Parameters

param	parameter, created by new_aubio_parameter
steps	new number of steps

Returns

0 if successful, 1 otherwise

Examples:

utils/test-parameter.c.

aubio_parameter_set_target_value()

uint_t aubio_parameter_set_target_value	(	aubio_parameter_t *	param,
		smpl_t	value
	)

set target value of the parameter

Parameters

param	parameter, created by new_aubio_parameter
value	new target value

Returns

0 if successful, 1 otherwise

Examples:

utils/test-parameter.c.

del_aubio_parameter()

void del_aubio_parameter

(

aubio_parameter_t *

param

)

destroy aubio_parameter_t object

Parameters

param

parameter, created by new_aubio_parameter

Examples:

utils/test-parameter.c.

new_aubio_parameter()

aubio_parameter_t* new_aubio_parameter	(	smpl_t	min_value,
		smpl_t	max_value,
		uint_t	steps
	)

create new parameter object

Parameters

min_value	the minimum value of the new parameter
max_value	the maximum value of the new parameter
steps	the number of steps to interpolate from the old value to the target value

Returns

the newly created aubio_parameter_t

Examples:

utils/test-parameter.c.