AgsMidiin: Advanced Gtk+ Sequencer Audio Reference Manual

Stability Level

Stable, unless otherwise indicated

Functions

#define	AGS_MIDIIN_GET_OBJ_MUTEX()
GQuark	ags_midiin_error_quark ()
gboolean	ags_midiin_test_flags ()
void	ags_midiin_set_flags ()
void	ags_midiin_unset_flags ()
void	ags_midiin_switch_buffer_flag ()
AgsMidiin *	ags_midiin_new ()

Types and Values

#define	AGS_MIDIIN_DEFAULT_ALSA_DEVICE
#define	AGS_MIDIIN_DEFAULT_OSS_DEVICE
#define	AGS_MIDIIN_DEFAULT_BUFFER_SIZE
enum	AgsMidiinFlags
enum	AgsMidiinSyncFlags
#define	AGS_MIDIIN_ERROR
enum	AgsMidiinError

Includes

#include <ags/audio/ags_midiin.h>

Description

AgsMidiin represents a sequencer and supports midi input.

Functions

AGS_MIDIIN_GET_OBJ_MUTEX()

#define AGS_MIDIIN_GET_OBJ_MUTEX(obj) (&(((AgsMidiin *) obj)->obj_mutex))

ags_midiin_error_quark ()

GQuark
ags_midiin_error_quark ();

ags_midiin_test_flags ()

gboolean
ags_midiin_test_flags (AgsMidiin *midiin,
                       guint flags);

Test flags to be set on midiin .

Parameters

midiin	the AgsMidiin
flags	the flags

Returns

TRUE if flags are set, else FALSE

Since: 3.0.0

ags_midiin_set_flags ()

void
ags_midiin_set_flags (AgsMidiin *midiin,
                      guint flags);

Enable a feature of midiin .

Parameters

midiin	the AgsMidiin
flags	see AgsMidiinFlags

Since: 3.0.0

ags_midiin_unset_flags ()

void
ags_midiin_unset_flags (AgsMidiin *midiin,
                        guint flags);

Disable a feature of midiin .

Parameters

midiin	the AgsMidiin
flags	see AgsMidiinFlags

Since: 3.0.0

ags_midiin_switch_buffer_flag ()

void
ags_midiin_switch_buffer_flag (AgsMidiin *midiin);

The buffer flag indicates the currently played buffer.

Parameters

midiin

the AgsMidiin

Since: 3.0.0

ags_midiin_new ()

AgsMidiin *
ags_midiin_new ();

Creates a new instance of AgsMidiin.

Returns

the new AgsMidiin

Since: 3.0.0

Types and Values

AGS_MIDIIN_DEFAULT_ALSA_DEVICE

#define AGS_MIDIIN_DEFAULT_ALSA_DEVICE "hw:0,0"

AGS_MIDIIN_DEFAULT_OSS_DEVICE

#define AGS_MIDIIN_DEFAULT_OSS_DEVICE "/dev/midi00"

AGS_MIDIIN_DEFAULT_BUFFER_SIZE

#define AGS_MIDIIN_DEFAULT_BUFFER_SIZE (4096)

enum AgsMidiinFlags

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

Members

AGS_MIDIIN_ADDED_TO_REGISTRY	the midiin was added to registry, see `AgsConnectable::add_to_registry()`
AGS_MIDIIN_CONNECTED	indicates the midiin was connected by calling `AgsConnectable::connect()`
AGS_MIDIIN_BUFFER0	ring-buffer 0
AGS_MIDIIN_BUFFER1	ring-buffer 1
AGS_MIDIIN_BUFFER2	ring-buffer 2
AGS_MIDIIN_BUFFER3	ring-buffer 3
AGS_MIDIIN_ATTACK_FIRST	use first attack, instead of second one
AGS_MIDIIN_RECORD	is recording
AGS_MIDIIN_OSS	use OSS4 backend
AGS_MIDIIN_ALSA	use ALSA backend
AGS_MIDIIN_SHUTDOWN	stop recording
AGS_MIDIIN_START_RECORD	just started recording
AGS_MIDIIN_NONBLOCKING	do non-blocking calls
AGS_MIDIIN_INITIALIZED	recording is initialized

enum AgsMidiinSyncFlags

Enum values to control the synchronization between sequencer and poll.

Members

AGS_MIDIIN_PASS_THROUGH	do not sync
AGS_MIDIIN_INITIAL_POLL	initial poll
AGS_MIDIIN_POLL_WAIT	sync wait, sequencer conditional lock
AGS_MIDIIN_POLL_DONE	sync done, sequencer conditional lock
AGS_MIDIIN_POLL_FINISH_WAIT	sync wait, client conditional lock
AGS_MIDIIN_POLL_FINISH_DONE	sync done, client conditional lock
AGS_MIDIIN_POLL_SWITCH_BUFFER	switch buffer

AGS_MIDIIN_ERROR

#define AGS_MIDIIN_ERROR (ags_midiin_error_quark())

enum AgsMidiinError

Members

AGS_MIDIIN_ERROR_LOCKED_SEQUENCER