hydrogen 1.1.1
AlsaMidiDriver Class Reference

Alsa Midi Driver Based on Matthias Nagorni alsa sequencer example. More...

#include <AlsaMidiDriver.h>

Inheritance diagram for AlsaMidiDriver:
MidiInput MidiOutput Object Object

Public Member Functions

 AlsaMidiDriver ()
 
virtual ~AlsaMidiDriver ()
 
virtual void open ()
 
virtual void close ()
 
virtual std::vector< QString > getInputPortList ()
 
virtual std::vector< QString > getOutputPortList ()
 
void midi_action (snd_seq_t *seq_handle)
 
void getPortInfo (const QString &sPortName, int &nClient, int &nPort)
 
virtual void handleQueueNote (Note *pNote)
 
virtual void handleQueueNoteOff (int channel, int key, int velocity)
 
virtual void handleQueueAllNoteOff ()
 
virtual void handleOutgoingControlChange (int param, int value, int channel)
 
- Public Member Functions inherited from MidiInput
 MidiInput (const char *class_name)
 
virtual ~MidiInput ()
 
virtual void open ()=0
 
virtual void close ()=0
 
virtual std::vector< QString > getOutputPortList ()=0
 
void setActive (bool isActive)
 
void handleMidiMessage (const MidiMessage &msg)
 
void handleSysexMessage (const MidiMessage &msg)
 
void handleControlChangeMessage (const MidiMessage &msg)
 
void handleProgramChangeMessage (const MidiMessage &msg)
 
void handlePolyphonicKeyPressureMessage (const MidiMessage &msg)
 
- Public Member Functions inherited from Object
 ~Object ()
 destructor More...
 
 Object (const Object &obj)
 copy constructor More...
 
 Object (const char *class_name)
 constructor More...
 
const char * class_name () const
 return the class name More...
 
virtual QString toQString (const QString &sPrefix, bool bShort=true) const
 Formatted string version for debugging purposes. More...
 
void Print (bool bShort=true) const
 Prints content of toQString() via DEBUGLOG. More...
 
- Public Member Functions inherited from MidiOutput
 MidiOutput (const char *class_name)
 
virtual ~MidiOutput ()
 
virtual std::vector< QString > getInputPortList ()=0
 
virtual void handleQueueNote (Note *pNote)=0
 
virtual void handleQueueNoteOff (int channel, int key, int velocity)=0
 
virtual void handleQueueAllNoteOff ()=0
 
virtual void handleOutgoingControlChange (int param, int value, int channel)=0
 

Additional Inherited Members

- Static Public Member Functions inherited from Object
static void set_count (bool flag)
 enable/disable class instances counting More...
 
static bool count_active ()
 return true if class instances counting is enabled More...
 
static unsigned objects_count ()
 return the number of objects More...
 
static void write_objects_map_to (std::ostream &out)
 output the full objects map to a given ostream More...
 
static void write_objects_map_to_cerr ()
 output objects map to stderr More...
 
static int bootstrap (Logger *logger, bool count=false)
 must be called before any Object instantiation ! More...
 
static Loggerlogger ()
 return the logger instance More...
 
- Static Public Attributes inherited from Object
static QString sPrintIndention = " "
 String used to format the debugging string output of some core classes. More...
 
- Protected Member Functions inherited from MidiInput
void handleNoteOnMessage (const MidiMessage &msg)
 
void handleNoteOffMessage (const MidiMessage &msg, bool CymbalChoke)
 
- Protected Attributes inherited from MidiInput
bool m_bActive
 
- Static Protected Attributes inherited from Object
static Logger__logger = nullptr
 logger instance pointer More...
 

Detailed Description

Alsa Midi Driver Based on Matthias Nagorni alsa sequencer example.

Constructor & Destructor Documentation

◆ AlsaMidiDriver()

◆ ~AlsaMidiDriver()

~AlsaMidiDriver ( )
virtual

Member Function Documentation

◆ close()

void close ( )
virtual

Implements MidiInput.

◆ getInputPortList()

std::vector< QString > getInputPortList ( )
virtual

Implements MidiOutput.

◆ getOutputPortList()

std::vector< QString > getOutputPortList ( )
virtual

Implements MidiInput.

◆ getPortInfo()

void getPortInfo ( const QString &  sPortName,
int &  nClient,
int &  nPort 
)

◆ handleOutgoingControlChange()

void handleOutgoingControlChange ( int  param,
int  value,
int  channel 
)
virtual

Implements MidiOutput.

◆ handleQueueAllNoteOff()

void handleQueueAllNoteOff ( )
virtual

Implements MidiOutput.

◆ handleQueueNote()

void handleQueueNote ( Note pNote)
virtual

Implements MidiOutput.

◆ handleQueueNoteOff()

void handleQueueNoteOff ( int  channel,
int  key,
int  velocity 
)
virtual

Implements MidiOutput.

◆ midi_action()

void midi_action ( snd_seq_t *  seq_handle)

◆ open()

void open ( )
virtual

Implements MidiInput.