AgsPattern

AgsPattern — Pattern representing tones

Stability Level

Stable, unless otherwise indicated

Functions

#define AGS_PATTERN_GET_OBJ_MUTEX()
GRecMutex * ags_pattern_get_obj_mutex ()
gboolean ags_pattern_test_flags ()
void ags_pattern_set_flags ()
void ags_pattern_unset_flags ()
GList * ags_pattern_find_near_timestamp ()
GObject * ags_pattern_get_channel ()
void ags_pattern_set_channel ()
AgsTimestamp * ags_pattern_get_timestamp ()
void ags_pattern_set_timestamp ()
void ags_pattern_get_dim ()
void ags_pattern_set_dim ()
GObject * ags_pattern_get_port ()
void ags_pattern_set_port ()
gboolean ags_pattern_is_empty ()
gboolean ags_pattern_get_bit ()
void ags_pattern_toggle_bit ()
AgsNote * ags_pattern_get_note ()
AgsPattern * ags_pattern_new ()

Properties

AgsChannel * channel Read / Write
gboolean current-bit Read
guint first-index Read / Write
guint offset Read / Write
AgsPort * port Read / Write
guint second-index Read / Write
AgsTimestamp * timestamp Read / Write

Types and Values

#define AGS_PATTERN_DEFAULT_BPM
#define AGS_PATTERN_TICS_PER_BEAT
#define AGS_PATTERN_MINIMUM_NOTE_LENGTH
#define AGS_PATTERN_MAXIMUM_NOTE_LENGTH
#define AGS_PATTERN_DEFAULT_LENGTH
#define AGS_PATTERN_DEFAULT_JIFFIE
#define AGS_PATTERN_DEFAULT_DURATION
#define AGS_PATTERN_DEFAULT_OFFSET

Object Hierarchy

    GObject
    ╰── AgsPattern

Includes

#include <ags/audio/ags_pattern.h>

Description

AgsPattern represents an audio pattern of tones. The bitmask pattern is stored in has 2 level of banks.

You can check if a bit is set by calling ags_pattern_get_bit().

To enable/disable a bit call ags_pattern_toggle_bit().

Functions

AGS_PATTERN_GET_OBJ_MUTEX()

#define AGS_PATTERN_GET_OBJ_MUTEX(obj) (&(((AgsPattern *) obj)->obj_mutex))

ags_pattern_get_obj_mutex ()

GRecMutex *
ags_pattern_get_obj_mutex (AgsPattern *pattern);

Get object mutex.

Parameters

pattern

the AgsPattern

  

Returns

the GRecMutex to lock pattern

Since: 3.1.0

ags_pattern_test_flags ()

gboolean
ags_pattern_test_flags (AgsPattern *pattern,
                        guint flags);

Test flags to be set on pattern .

Parameters

pattern

the AgsPattern

  

flags

the flags

  

Returns

TRUE if flags are set, else FALSE

Since: 3.0.0

ags_pattern_set_flags ()

void
ags_pattern_set_flags (AgsPattern *pattern,
                       guint flags);

Set flags.

Parameters

pattern

the AgsPattern

  

flags

the flags

  

Since: 3.0.0

ags_pattern_unset_flags ()

void
ags_pattern_unset_flags (AgsPattern *pattern,
                         guint flags);

Unset flags.

Parameters

pattern

the AgsPattern

  

flags

the flags

  

Since: 3.0.0

ags_pattern_find_near_timestamp ()

GList *
ags_pattern_find_near_timestamp (GList *pattern,
                                 AgsTimestamp *timestamp);

Retrieve appropriate pattern for timestamp.

Parameters

pattern

the GList containing AgsPattern.

[element-type AgsAudio.Pattern][transfer none]

timestamp

the matching AgsTimestamp

  

Returns

Next match.

[element-type AgsAudio.Pattern][transfer none]

Since: 3.0.0

ags_pattern_get_channel ()

GObject *
ags_pattern_get_channel (AgsPattern *pattern);

Get channel.

Parameters

pattern

the AgsPattern

  

Returns

the AgsChannel.

[transfer full]

Since: 3.1.0

ags_pattern_set_channel ()

void
ags_pattern_set_channel (AgsPattern *pattern,
                         GObject *channel);

Set channel.

Parameters

pattern

the AgsPattern

  

channel

the AgsChannel

  

Since: 3.1.0

ags_pattern_get_timestamp ()

AgsTimestamp *
ags_pattern_get_timestamp (AgsPattern *pattern);

Get timestamp.

Parameters

pattern

the AgsPattern

  

Returns

the AgsTimestamp.

[transfer full]

Since: 3.1.0

ags_pattern_set_timestamp ()

void
ags_pattern_set_timestamp (AgsPattern *pattern,
                           AgsTimestamp *timestamp);

Set timestamp.

Parameters

pattern

the AgsPattern

  

timestamp

the AgsTimestamp

  

Since: 3.1.0

ags_pattern_get_dim ()

void
ags_pattern_get_dim (AgsPattern *pattern,
                     guint *dim0,
                     guint *dim1,
                     guint *length);

Get the pattern's dimensions.

Parameters

pattern

an AgsPattern

  

dim0

bank 0 size.

[out]

dim1

bank 1 size.

[out]

length

amount of beats.

[out]

Since: 3.1.0

ags_pattern_set_dim ()

void
ags_pattern_set_dim (AgsPattern *pattern,
                     guint dim0,
                     guint dim1,
                     guint length);

Reallocates the pattern's dimensions.

Parameters

pattern

an AgsPattern

  

dim0

bank 0 size

  

dim1

bank 1 size

  

length

amount of beats

  

Since: 3.0.0

ags_pattern_get_port ()

GObject *
ags_pattern_get_port (AgsPattern *pattern);

ags_pattern_set_port ()

void
ags_pattern_set_port (AgsPattern *pattern,
                      GObject *port);

ags_pattern_is_empty ()

gboolean
ags_pattern_is_empty (AgsPattern *pattern,
                      guint i,
                      guint j);

ags_pattern_get_bit ()

gboolean
ags_pattern_get_bit (AgsPattern *pattern,
                     guint i,
                     guint j,
                     guint bit);

Check for tic to be played.

Parameters

pattern

an AgsPattern

  

i

bank index 0

  

j

bank index 1

  

bit

the tic to check

  

Returns

TRUE if tone is enabled.

Since: 3.0.0

ags_pattern_toggle_bit ()

void
ags_pattern_toggle_bit (AgsPattern *pattern,
                        guint i,
                        guint j,
                        guint bit);

Toggle tone.

Parameters

pattern

an AgsPattern

  

i

bank index 0

  

j

bank index 1

  

bit

the tic to toggle

  

Since: 3.0.0

ags_pattern_get_note ()

AgsNote *
ags_pattern_get_note (AgsPattern *pattern,
                      guint bit);

Get note of pattern .

Parameters

pattern

an AgsPattern

  

bit

the tic

  

Returns

the AgsNote at given position or NULL.

[transfer full]

Since: 3.3.0

ags_pattern_new ()

AgsPattern *
ags_pattern_new ();

Creates a new instance of AgsPattern

Returns

the new AgsPattern

Since: 3.0.0

Types and Values

AGS_PATTERN_DEFAULT_BPM

#define AGS_PATTERN_DEFAULT_BPM (120.0)

AGS_PATTERN_TICS_PER_BEAT

#define AGS_PATTERN_TICS_PER_BEAT (1.0)

AGS_PATTERN_MINIMUM_NOTE_LENGTH

#define AGS_PATTERN_MINIMUM_NOTE_LENGTH (1.0 / 16.0)

AGS_PATTERN_MAXIMUM_NOTE_LENGTH

#define AGS_PATTERN_MAXIMUM_NOTE_LENGTH (16.0)

AGS_PATTERN_DEFAULT_LENGTH

#define AGS_PATTERN_DEFAULT_LENGTH (65535.0 / AGS_PATTERN_TICS_PER_BEAT - AGS_PATTERN_MAXIMUM_NOTE_LENGTH)

AGS_PATTERN_DEFAULT_JIFFIE

#define AGS_PATTERN_DEFAULT_JIFFIE (60.0 / AGS_PATTERN_DEFAULT_BPM / AGS_PATTERN_TICS_PER_BEAT)

AGS_PATTERN_DEFAULT_DURATION

#define AGS_PATTERN_DEFAULT_DURATION (AGS_PATTERN_DEFAULT_LENGTH * AGS_PATTERN_DEFAULT_JIFFIE * AGS_USEC_PER_SEC)

AGS_PATTERN_DEFAULT_OFFSET

#define AGS_PATTERN_DEFAULT_OFFSET (64)

Property Details

The “channel” property

  “channel”                  AgsChannel *

The pattern's channel.

Owner: AgsPattern

Flags: Read / Write

Since: 3.3.0

The “current-bit” property

  “current-bit”              gboolean

Offset of current position.

Owner: AgsPattern

Flags: Read

Default value: FALSE

Since: 3.0.0

The “first-index” property

  “first-index”              guint

Selected bank 0.

Owner: AgsPattern

Flags: Read / Write

Allowed values: <= 256

Default value: 0

Since: 3.0.0

The “offset” property

  “offset”                   guint

Position of pattern.

Owner: AgsPattern

Flags: Read / Write

Allowed values: <= 65535

Default value: 0

Since: 3.0.0

The “port” property

  “port”                     AgsPort *

The pattern's port.

Owner: AgsPattern

Flags: Read / Write

Since: 3.0.0

The “second-index” property

  “second-index”             guint

Selected bank 1.

Owner: AgsPattern

Flags: Read / Write

Allowed values: <= 256

Default value: 0

Since: 3.0.0

The “timestamp” property

  “timestamp”                AgsTimestamp *

The pattern's timestamp.

Owner: AgsPattern

Flags: Read / Write

Since: 3.0.0

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