GstBtCombine

GstBtCombine — combine/mixing module

Functions

Properties

GstBtCombineType combine Read / Write

Types and Values

Object Hierarchy

    GEnum
    ╰── GstBtCombineType
    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstBtCombine

Includes

#include <libgstbuzztrax/combine.h>

Description

A module that combines 2 buffers using different (“combine”) modes.

Combine modes

Examples of combining a saw-wave with another saw wave of double frequency.

mix mul sub max min and or xor

Functions

gstbt_combine_new ()

GstBtCombine *
gstbt_combine_new (void);

Create a new instance

Returns

the new instance or NULL in case of an error


gstbt_combine_trigger ()

void
gstbt_combine_trigger (GstBtCombine *self);

Reset state. Typically called for new notes.

Parameters

self

the combine module

 

gstbt_combine_process ()

void
gstbt_combine_process (GstBtCombine *self,
                       guint size,
                       gint16 *d1,
                       gint16 *d2);

Process size samples of audio from d1 and d2 . Stores the result into d1 .

Parameters

self

the oscillator

 

size

number of sample to filter

 

d1

buffer with the audio

 

d2

buffer with the audio

 

Types and Values

enum GstBtCombineType

Combine types.

Members

GSTBT_COMBINE_MIX

add both signals (A+B)

 

GSTBT_COMBINE_MUL

multiply signals (A*B) (amplitude modulation)

 

GSTBT_COMBINE_SUB

subtract signals (A-B)

 

GSTBT_COMBINE_MAX

max of both signals (max(A,B))

 

GSTBT_COMBINE_MIN

min of both signals (min(A,B))

 

GSTBT_COMBINE_AND

logical and of both signals (A&B)

 

GSTBT_COMBINE_OR

logical or of both signals (A|B)

 

GSTBT_COMBINE_XOR

logical xor of both signals (A^B)

 

GSTBT_COMBINE_COUNT

number of combine modes, this can change with new releases

 

struct GstBtCombine

struct GstBtCombine {
  /* parameters */
  GstBtCombineType type;
};

Class instance data.

Members

GstBtCombineType type;

combine type

 

Property Details

The “combine” property

  “combine”                  GstBtCombineType

Type of combine operation.

Flags: Read / Write

Default value: Mix: A+B