AgsFrequencyMap

AgsFrequencyMap — Contains the audio data for a given frequency

Functions

#define AGS_FREQUENCY_MAP_GET_OBJ_MUTEX()
pthread_mutex_t * ags_frequency_map_get_class_mutex ()
gint ags_frequency_map_sort_func ()
gboolean ags_frequency_map_test_flags ()
void ags_frequency_map_set_flags ()
void ags_frequency_map_unset_flags ()
void ags_frequency_map_process ()
void ags_frequency_map_factorize ()
void ags_frequency_map_compute_max_likelihood ()
AgsFrequencyMap * ags_frequency_map_new ()
#define AGS_FREQUENCY_MAP()
#define AGS_FREQUENCY_MAP_CLASS()
#define AGS_FREQUENCY_MAP_GET_CLASS()
#define AGS_IS_FREQUENCY_MAP()
GType ags_frequency_map_get_type ()

Properties

guint attack Read / Write
guint buffer-size Read / Write
guint frame-count Read / Write
gdouble freq Read / Write
guint oscillator-mode Read / Write
guint samplerate Read / Write
guint window-count Read / Write
guint z-index Read / Write

Signals

void compute-max-likelihood Run Last
void factorize Run Last
void process Run Last

Types and Values

#define AGS_FREQUENCY_MAP_DEFAULT_FREQ
enum AgsFrequencyMapFlags
#define AGS_TYPE_FREQUENCY_MAP
struct AgsFrequencyMap
struct AgsFrequencyMapClass

Object Hierarchy

    GObject
    ╰── AgsFrequencyMap

Includes

#include <ags/audio/ags_frequency_map.h>

Description

AgsFrequencyMap stores a buffer of complex numbers. Representing an discrete sampled oscillator wave at a giving frequency.

Functions

AGS_FREQUENCY_MAP_GET_OBJ_MUTEX()

#define AGS_FREQUENCY_MAP_GET_OBJ_MUTEX(obj) (((AgsFrequencyMap *) obj)->obj_mutex)

ags_frequency_map_get_class_mutex ()

pthread_mutex_t *
ags_frequency_map_get_class_mutex ();

ags_frequency_map_sort_func ()

gint
ags_frequency_map_sort_func (gconstpointer a,
                             gconstpointer b);

Sort frequency maps.

Parameters

a

an AgsFrequencyMap

  

b

an AgsFrequencyMap

  

Returns

0 if equal, -1 if smaller and 1 if bigger offset

Since: 2.3.0

ags_frequency_map_test_flags ()

gboolean
ags_frequency_map_test_flags (AgsFrequencyMap *frequency_map,
                              guint flags);

Test flags to be set on recall .

Parameters

frequency_map

the AgsFrequencyMap

  

flags

the flags

  

Returns

TRUE if flags are set, else FALSE

Since: 2.3.0

ags_frequency_map_set_flags ()

void
ags_frequency_map_set_flags (AgsFrequencyMap *frequency_map,
                             guint flags);

Set flags.

Parameters

frequency_map

the AgsFrequencyMap

  

flags

the flags

  

Since: 2.3.0

ags_frequency_map_unset_flags ()

void
ags_frequency_map_unset_flags (AgsFrequencyMap *frequency_map,
                               guint flags);

Unset flags.

Parameters

frequency_map

the AgsFrequencyMap

  

flags

the flags

  

Since: 2.3.0

ags_frequency_map_process ()

void
ags_frequency_map_process (AgsFrequencyMap *frequency_map);

Process frequency_map .

Parameters

frequency_map

the AgsFrequencyMap

  

Since: 2.3.0

ags_frequency_map_factorize ()

void
ags_frequency_map_factorize (AgsFrequencyMap *frequency_map,
                             AgsFrequencyMap *factorized_frequency_map);

Factorize frequency_map .

Parameters

frequency_map

the AgsFrequencyMap

  

factorized_frequency_map

the factorized AgsFrequencyMap

  

Since: 2.3.0

ags_frequency_map_compute_max_likelihood ()

void
ags_frequency_map_compute_max_likelihood
                               (AgsFrequencyMap *frequency_map,
                                AgsComplex *source,
                                AgsComplex **retval);

Compute maximum likelihood source and store in retval .

Parameters

frequency_map

the AgsFrequencyMap

  

source

the source as AgsComplex buffer

  

retval

the return location of result as AgsComplex buffer

  

Since: 2.3.0

ags_frequency_map_new ()

AgsFrequencyMap *
ags_frequency_map_new ();

Returns

a new AgsFrequencyMap

Since: 2.3.0

AGS_FREQUENCY_MAP()

#define AGS_FREQUENCY_MAP(obj)                (G_TYPE_CHECK_INSTANCE_CAST((obj), AGS_TYPE_FREQUENCY_MAP, AgsFrequencyMap))

AGS_FREQUENCY_MAP_CLASS()

#define AGS_FREQUENCY_MAP_CLASS(class)        (G_TYPE_CHECK_CLASS_CAST((class), AGS_TYPE_FREQUENCY_MAP, AgsFrequencyMapClass))

AGS_FREQUENCY_MAP_GET_CLASS()

#define AGS_FREQUENCY_MAP_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS ((obj), AGS_TYPE_FREQUENCY_MAP, AgsFrequencyMapClass))

AGS_IS_FREQUENCY_MAP()

#define AGS_IS_FREQUENCY_MAP(obj)             (G_TYPE_CHECK_INSTANCE_TYPE ((obj), AGS_TYPE_FREQUENCY_MAP))

ags_frequency_map_get_type ()

GType
ags_frequency_map_get_type ();

Types and Values

AGS_FREQUENCY_MAP_DEFAULT_FREQ

#define AGS_FREQUENCY_MAP_DEFAULT_FREQ (440.0)

enum AgsFrequencyMapFlags

Members

AGS_FREQUENCY_MAP_PROCESSED

the frequency map was processed

  

AGS_TYPE_FREQUENCY_MAP

#define AGS_TYPE_FREQUENCY_MAP                (ags_frequency_map_get_type())

struct AgsFrequencyMap

struct AgsFrequencyMap;

struct AgsFrequencyMapClass

struct AgsFrequencyMapClass {
  GObjectClass gobject;

  void (*process)(AgsFrequencyMap *frequency_map);

  void (*factorize)(AgsFrequencyMap *frequency_map,
		    AgsFrequencyMap *factorized_frequency_map);
  
  void (*compute_max_likelihood)(AgsFrequencyMap *frequency_map,
				 AgsComplex *source,
				 AgsComplex **retval);
};

Property Details

The “attack” property

  “attack”                   guint

The attack to be used.

Flags: Read / Write

Default value: 0

Since: 2.3.0

The “buffer-size” property

  “buffer-size”              guint

The buffer size to be used.

Flags: Read / Write

Default value: 0

Since: 2.3.0

The “frame-count” property

  “frame-count”              guint

The initial size of audio data.

Flags: Read / Write

Default value: 0

Since: 2.3.0

The “freq” property

  “freq”                     gdouble

The freq to be used.

Flags: Read / Write

Allowed values: >= -1

Default value: 440

Since: 2.3.0

The “oscillator-mode” property

  “oscillator-mode”          guint

The oscillator mode to be used.

Flags: Read / Write

Default value: 0

Since: 2.3.0

The “samplerate” property

  “samplerate”               guint

The samplerate to be used.

Flags: Read / Write

Default value: 0

Since: 2.3.0

The “window-count” property

  “window-count”             guint

The the window count of total z-indexes.

Flags: Read / Write

Default value: 0

Since: 2.3.0

The “z-index” property

  “z-index”                  guint

The z-index as position of this frequency map.

Flags: Read / Write

Default value: 0

Since: 2.3.0

Signal Details

The “compute-max-likelihood” signal

void
user_function (AgsFrequencyMap *frequency_map,
               gpointer         source,
               gpointer         retval,
               gpointer         user_data)

The ::compute-max-likelihood signal notifies about max likelihooded commputed.

Parameters

frequency_map

the AgsFrequencyMap

  

source

the source buffer

  

retval

return location pointer to buffer

  

user_data

user data set when the signal handler was connected.

  

Flags: Run Last

Since: 2.3.0

The “factorize” signal

void
user_function (AgsFrequencyMap *frequency_map,
               GObject         *factorized_frequency_map,
               gpointer         user_data)

The ::factorize signal notifies about factorizing map.

Parameters

frequency_map

the AgsFrequencyMap

  

factorized_frequency_map

the factorized AgsFrequencyMap

  

user_data

user data set when the signal handler was connected.

  

Flags: Run Last

Since: 2.3.0

The “process” signal

void
user_function (AgsFrequencyMap *frequency_map,
               gpointer         user_data)

The ::process signal notifies about processed buffer.

Parameters

frequency_map

the AgsFrequencyMap

  

user_data

user data set when the signal handler was connected.

  

Flags: Run Last

Since: 2.3.0

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