AgsCoreAudioMidiin: Advanced Gtk+ Sequencer Audio Reference Manual

AgsCoreAudioMidiin

AgsCoreAudioMidiin — Input from sequencer

Stability Level

Stable, unless otherwise indicated

Functions

#define	AGS_CORE_AUDIO_MIDIIN_GET_OBJ_MUTEX()
GQuark	ags_core_audio_midiin_error_quark ()
gboolean	ags_core_audio_midiin_test_flags ()
void	ags_core_audio_midiin_set_flags ()
void	ags_core_audio_midiin_unset_flags ()
void	ags_core_audio_midiin_switch_buffer_flag ()
AgsCoreAudioMidiin *	ags_core_audio_midiin_new ()

Properties

gpointer	attack	Read
double	bpm	Read / Write
gpointer	buffer	Read
AgsCoreAudioClient *	core-audio-client	Read / Write
AgsCoreAudioPort *	core-audio-port	Read / Write
double	delay-factor	Read / Write
char *	device	Read / Write

Types and Values

#define	AGS_CORE_AUDIO_MIDIIN_DEFAULT_APP_BUFFER_SIZE
#define	AGS_CORE_AUDIO_MIDIIN_DEFAULT_BUFFER_SIZE
enum	AgsCoreAudioMidiinFlags
enum	AgsCoreAudioMidiinAppBufferMode
enum	AgsCoreAudioMidiinSyncFlags
#define	AGS_CORE_AUDIO_MIDIIN_ERROR
enum	AgsCoreAudioMidiinError

Object Hierarchy

    GFlags
    ╰── AgsCoreAudioMidiinFlags
    GObject
    ╰── AgsCoreAudioMidiin

Includes

#include <ags/audio/core-audio/ags_core_audio_midiin.h>

Description

AgsCoreAudioMidiin represents a sequencer and supports midi input.

Functions

AGS_CORE_AUDIO_MIDIIN_GET_OBJ_MUTEX()

#define AGS_CORE_AUDIO_MIDIIN_GET_OBJ_MUTEX(obj) (&(((AgsCoreAudioMidiin *) obj)->obj_mutex))

ags_core_audio_midiin_error_quark ()

GQuark
ags_core_audio_midiin_error_quark ();

ags_core_audio_midiin_test_flags ()

gboolean
ags_core_audio_midiin_test_flags (AgsCoreAudioMidiin *core_audio_midiin,
                                  AgsCoreAudioMidiinFlags flags);

Test flags to be set on core_audio_midiin .

Parameters

core_audio_midiin	the AgsCoreAudioMidiin
flags	the flags

Returns

TRUE if flags are set, else FALSE

Since: 3.0.0

ags_core_audio_midiin_set_flags ()

void
ags_core_audio_midiin_set_flags (AgsCoreAudioMidiin *core_audio_midiin,
                                 AgsCoreAudioMidiinFlags flags);

Enable a feature of core_audio_midiin .

Parameters

core_audio_midiin	the AgsCoreAudioMidiin
flags	see AgsCoreAudioMidiinFlags

Since: 3.0.0

ags_core_audio_midiin_unset_flags ()

void
ags_core_audio_midiin_unset_flags (AgsCoreAudioMidiin *core_audio_midiin,
                                   AgsCoreAudioMidiinFlags flags);

Disable a feature of core_audio_midiin .

Parameters

core_audio_midiin	the AgsCoreAudioMidiin
flags	see AgsCoreAudioMidiinFlags

Since: 3.0.0

ags_core_audio_midiin_switch_buffer_flag ()

void
ags_core_audio_midiin_switch_buffer_flag
                               (AgsCoreAudioMidiin *core_audio_midiin);

The buffer flag indicates the currently recorded buffer.

Parameters

core_audio_midiin

the AgsCoreAudioMidiin

Since: 3.0.0

ags_core_audio_midiin_new ()

AgsCoreAudioMidiin *
ags_core_audio_midiin_new ();

Creates a new instance of AgsCoreAudioMidiin.

Returns

a new AgsCoreAudioMidiin

Since: 3.0.0

Types and Values

AGS_CORE_AUDIO_MIDIIN_DEFAULT_APP_BUFFER_SIZE

#define AGS_CORE_AUDIO_MIDIIN_DEFAULT_APP_BUFFER_SIZE (4)

AGS_CORE_AUDIO_MIDIIN_DEFAULT_BUFFER_SIZE

#define AGS_CORE_AUDIO_MIDIIN_DEFAULT_BUFFER_SIZE (256)

enum AgsCoreAudioMidiinFlags

Enum values to control the behavior or indicate internal state of AgsCoreAudioMidiin by enable/disable as flags.

Members

AGS_CORE_AUDIO_MIDIIN_INITIALIZED	recording is initialized
AGS_CORE_AUDIO_MIDIIN_START_RECORD	just started recording
AGS_CORE_AUDIO_MIDIIN_RECORD	is recording
AGS_CORE_AUDIO_MIDIIN_SHUTDOWN	stop recording
AGS_CORE_AUDIO_MIDIIN_NONBLOCKING	do non-blocking calls
AGS_CORE_AUDIO_MIDIIN_ATTACK_FIRST	use first attack, instead of second one

enum AgsCoreAudioMidiinAppBufferMode

Enum values to indicate internal state of AgsCoreAudioMidiin application buffer by setting mode.

Members

AGS_CORE_AUDIO_MIDIIN_APP_BUFFER_0	ring-buffer 0
AGS_CORE_AUDIO_MIDIIN_APP_BUFFER_1	ring-buffer 1
AGS_CORE_AUDIO_MIDIIN_APP_BUFFER_2	ring-buffer 2
AGS_CORE_AUDIO_MIDIIN_APP_BUFFER_3	ring-buffer 3

enum AgsCoreAudioMidiinSyncFlags

Enum values to control the synchronization between soundcard and client.

Members

AGS_CORE_AUDIO_MIDIIN_PASS_THROUGH	do not sync
AGS_CORE_AUDIO_MIDIIN_INITIAL_CALLBACK	initial callback
AGS_CORE_AUDIO_MIDIIN_CALLBACK_WAIT	sync wait, soundcard conditional lock
AGS_CORE_AUDIO_MIDIIN_CALLBACK_DONE	sync done, soundcard conditional lock
AGS_CORE_AUDIO_MIDIIN_CALLBACK_FINISH_WAIT	sync wait, client conditional lock
AGS_CORE_AUDIO_MIDIIN_CALLBACK_FINISH_DONE	sync done, client conditional lock
AGS_CORE_AUDIO_MIDIIN_DO_SYNC	do synchronize

AGS_CORE_AUDIO_MIDIIN_ERROR

#define AGS_CORE_AUDIO_MIDIIN_ERROR (ags_core_audio_midiin_error_quark())

enum AgsCoreAudioMidiinError

Members

AGS_CORE_AUDIO_MIDIIN_ERROR_LOCKED_SOUNDCARD

Property Details

The `“attack”` property

  “attack”                   gpointer

Attack of the buffer

Owner: AgsCoreAudioMidiin

Flags: Read

Since: 3.0.0

The `“bpm”` property

  “bpm”                      double

Beats per minute

Owner: AgsCoreAudioMidiin

Flags: Read / Write

Allowed values: [1,240]

Default value: 120

Since: 3.0.0

The `“buffer”` property

  “buffer”                   gpointer

The buffer

Owner: AgsCoreAudioMidiin

Flags: Read

Since: 3.0.0

The `“core-audio-client”` property

  “core-audio-client”        AgsCoreAudioClient *

The assigned AgsCoreAudioClient

Owner: AgsCoreAudioMidiin

Flags: Read / Write

Since: 3.0.0

The `“core-audio-port”` property

  “core-audio-port”          AgsCoreAudioPort *

The assigned AgsCoreAudioPort

Owner: AgsCoreAudioMidiin

Flags: Read / Write

Since: 3.0.0

The `“delay-factor”` property

  “delay-factor”             double

tact

Owner: AgsCoreAudioMidiin

Flags: Read / Write

Allowed values: [0,16]

Default value: 1

Since: 3.0.0

The `“device”` property

  “device”                   char *

The core audio sequencer indentifier

Owner: AgsCoreAudioMidiin

Flags: Read / Write

Default value: "hw:0"

Since: 3.0.0