alsaevent.h File Reference

Classes managing ALSA Sequencer events. More...

#include <alsa/asoundlib.h>
#include <QObject>
#include <QEvent>
#include "macros.h"

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Classes
class	SequencerEvent
	Base class for the event's hierarchy. More...
class	ChannelEvent
	Base class for the events having a Channel property. More...
class	KeyEvent
	Base class for the events having Key and Velocity properties. More...
class	NoteEvent
	Class representing a note event with duration. More...
class	NoteOnEvent
	Event representing a note-on MIDI event. More...
class	NoteOffEvent
	Event representing a note-off MIDI event. More...
class	KeyPressEvent
	Event representing a MIDI key pressure, or polyphonic after-touch event. More...
class	ControllerEvent
	Event representing a MIDI control change event. More...
class	ProgramChangeEvent
	Event representing a MIDI program change event. More...
class	PitchBendEvent
	Event representing a MIDI bender, or pitch wheel event. More...
class	ChanPressEvent
	Event representing a MIDI channel pressure or after-touch event. More...
class	VariableEvent
	Base class for variable length events. More...
class	SysExEvent
	Event representing a MIDI system exclusive event. More...
class	TextEvent
	Event representing a SMF text event. More...
class	SystemEvent
	Generic event. More...
class	QueueControlEvent
	ALSA Event representing a queue control command. More...
class	ValueEvent
	Generic event having a value property. More...
class	TempoEvent
	ALSA Event representing a tempo change for an ALSA queue. More...
class	SubscriptionEvent
	ALSA Event representing a subscription between two ALSA clients and ports. More...
class	ClientEvent
	ALSA Event representing a change on some ALSA sequencer client on the system. More...
class	PortEvent
	ALSA Event representing a change on some ALSA sequencer port on the system. More...
class	RemoveEvents
	Auxiliary class to remove events from an ALSA queue. More...
class	MidiCodec
	Auxiliary class to translate between raw MIDI streams and ALSA events. More...

Namespaces
namespace	drumstick
	Drumstick common.
namespace	drumstick::ALSA
	Drumstick ALSA library wrapper.

Typedefs
typedef quint8	MidiByte
	8-bit unsigned number to be used as a MIDI message parameter

Functions
QString	typeOfEvent (const SequencerEvent &v)
	typeOfEvent returns a QString representing the type of the event More...
QDebug	operator<< (QDebug d, const SequencerEvent &event)
	operator << outputs a SequencerEvent instance reference to a QDebug stream More...
QDebug	operator<< (QDebug d, const SequencerEvent *event)
	operator << outputs a SequencerEvent instance pointer to a QDebug stream More...

Variables
const QEvent::Type	SequencerEventType = QEvent::Type(QEvent::User + 4154)
	Constant SequencerEventType is the QEvent::type() of any SequencerEvent object to be used to check the argument in QObject::customEvent().

Detailed Description

Classes managing ALSA Sequencer events.

Definition in file alsaevent.h.