Port management. More...

#include <alsaport.h>

Inheritance diagram for MidiPort:

Signals
void	subscribed (drumstick::ALSA::MidiPort port, drumstick::ALSA::Subscription subs)
	Signal emitted when an internal subscription is done.

void	midiClientChanged (drumstick::ALSA::MidiPort port, drumstick::ALSA::MidiClient seq)
	Signal emitted when the MidiClient has changed.

void	attached (drumstick::ALSA::MidiPort *port)
	Signal emitted when the port is attached to a MidiClient.

void	detached (drumstick::ALSA::MidiPort *port)
	Signal emitted when the port is detached from a MidiClient.

Public Member Functions
	MidiPort (QObject *parent=nullptr)
	Constructor.

virtual	~MidiPort ()
	Destructor.

void	attach (MidiClient *seq)
	Attach the port to a MidiClient instance.

void	detach ()
	Detach the port from any MidiClient instance previously attached.

void	subscribe (Subscription *subs)
	Subscribe a Subscription object.

void	unsubscribe (Subscription *subs)
	Unsubscribe a Subscription object.

void	unsubscribeAll ()
	Unsubscribe all subscriptions.

void	unsubscribeTo (QString const &name)
	Unsubscribe a destination port.

void	unsubscribeTo (PortInfo *port)
	Unsubscribe a destination port.

void	unsubscribeTo (const snd_seq_addr_t *addr)
	Unsubscribe a destination port.

void	unsubscribeFrom (QString const &name)
	Unsubscribe a source port.

void	unsubscribeFrom (PortInfo *port)
	Unsubscribe a source port.

void	unsubscribeFrom (const snd_seq_addr_t *addr)
	Unsubscribe a source port.

void	subscribeTo (PortInfo *port)
	Subscribe to another port destination.

void	subscribeTo (int client, int port)
	Susbcribe to another port destination.

void	subscribeTo (QString const &name)
	Subscribe to another port destination.

void	subscribeFrom (PortInfo *port)
	Subscribe a source port.

void	subscribeFrom (int client, int port)
	Subscribe a source port.

void	subscribeFrom (QString const &name)
	Subscribe a source port.

void	subscribeFromAnnounce ()
	Subscribe from the System:announce port.

void	updateSubscribers ()
	Update the subscribers list in the PortInfo member.

SubscriptionsList	getSubscriptions () const
	Gets the list of susbcriptions.

PortInfoList	getReadSubscribers ()
	Gets the list of read subscribers.

PortInfoList	getWriteSubscribers ()
	Gets the list of write subscribers.

void	updateConnectionsTo (const PortInfoList &desired)
	Update the write subscriptions.

void	updateConnectionsFrom (const PortInfoList &desired)
	Update the read susbcriptions.

void	applyPortInfo ()
	Applies all the the delayed PortInfo changes to the MIDI port object.

QString	getPortName ()
	Gets the port name.

void	setPortName (QString const &newName)
	Sets the port name.

int	getPortId ()
	Gets the port number.

unsigned int	getCapability ()
	Gets the port capabilities.

void	setCapability (unsigned int newValue)
	Sets the port capabilities.

unsigned int	getPortType ()
	Gets the port type.

void	setPortType (unsigned int newValue)
	Sets the port type bitmap.

int	getMidiChannels ()
	Gets the MIDI channels.

void	setMidiChannels (int newValue)
	Sets the MIDI channels.

int	getMidiVoices ()
	Gets the MIDI voices.

void	setMidiVoices (int newValue)
	Sets the MIDI voices.

int	getSynthVoices ()
	Gets the synth voices.

void	setSynthVoices (int newValue)
	Sets the synth voices.

bool	getTimestamping ()
	Gets the timestamping mode.

bool	getTimestampReal ()
	Gets the timestamp real mode.

int	getTimestampQueue ()
	Gets the timestamp queue number.

void	setTimestamping (bool value)
	Sets the timestamping mode.

void	setTimestampReal (bool value)
	Sets the timestamp real mode.

void	setTimestampQueue (int queueId)
	Sets the timestamp queue number.

Static Public Member Functions
static bool	containsAddress (const snd_seq_addr_t *addr, const PortInfoList &lst)
	Checks if the provided address is included in the port list.

Protected Member Functions
PortInfo *	getPortInfo ()
	Gets the PortInfo object pointer.

void	freeSubscriptions ()
	Releases the lists of subscriptions.

void	setMidiClient (MidiClient *seq)
	Sets the MidiClient.

Detailed Description

Port management.

This class represents an ALSA sequencer port.

Examples: drumgrid.cpp, dumpmid.cpp, guiplayer.cpp, metronome.cpp, and playsmf.cpp.

Definition at line 124 of file alsaport.h.

Constructor & Destructor Documentation

◆ MidiPort()

MidiPort ( QObject * parent = nullptr )

explicit

Constructor.

Parameters

parent An optional parent object

Definition at line 572 of file alsaport.cpp.

◆ ~MidiPort()

~MidiPort ( )

virtual

Destructor.

All subscriptions are released.

Definition at line 583 of file alsaport.cpp.

References MidiPort::detach(), MidiPort::freeSubscriptions(), and MidiPort::unsubscribeAll().

Member Function Documentation

◆ attach()

void attach ( MidiClient * seq )

Attach the port to a MidiClient instance.

Parameters

seq	A MidiClient object pointer

Definition at line 1121 of file alsaport.cpp.

References MidiPort::attached(), and MidiClient::portAttach().

Referenced by MidiClient::createPort().

◆ attached

void attached ( drumstick::ALSA::MidiPort * port )

signal

Signal emitted when the port is attached to a MidiClient.

Parameters

port	MIDI port object pointer

Referenced by MidiPort::attach().

◆ containsAddress()

bool containsAddress	(	const snd_seq_addr_t *	addr,
		const PortInfoList &	lst )

static

Checks if the provided address is included in the port list.

Parameters

addr	ALSA address record pointer
lst	List of port information containers

Returns: True if the address is found

Definition at line 1210 of file alsaport.cpp.

References PortInfo::getAddr().

Referenced by MidiPort::updateConnectionsFrom(), and MidiPort::updateConnectionsTo().

◆ detached

void detached ( drumstick::ALSA::MidiPort * port )

signal

Signal emitted when the port is detached from a MidiClient.

Parameters

port	MIDI port object pointer

Referenced by MidiPort::detach().

◆ getCapability()

unsigned int getCapability ( )

Gets the port capabilities.

Returns: The capabilities bitmap

See also: PortInfo::getCapability()

Definition at line 950 of file alsaport.cpp.

References PortInfo::getCapability().

◆ getMidiChannels()

int getMidiChannels ( )

Gets the MIDI channels.

Returns: The MIDI channels

Definition at line 995 of file alsaport.cpp.

References PortInfo::getMidiChannels().

◆ getMidiVoices()

int getMidiVoices ( )

Gets the MIDI voices.

Returns: The MIDI voices

Definition at line 1016 of file alsaport.cpp.

References PortInfo::getMidiVoices().

◆ getPortId()

int getPortId ( )

Gets the port number.

Returns: The port number

Definition at line 939 of file alsaport.cpp.

References PortInfo::getPort().

◆ getPortInfo()

PortInfo * getPortInfo ( )

protected

Gets the PortInfo object pointer.

Returns: the PortInfo object pointer

Definition at line 595 of file alsaport.cpp.

Referenced by MidiClient::detachAllPorts(), and MidiClient::portDetach().

◆ getPortName()

QString getPortName ( )

Gets the port name.

Returns: The port name

Definition at line 918 of file alsaport.cpp.

References PortInfo::getName().

◆ getPortType()

unsigned int getPortType ( )

Gets the port type.

Returns: The port type bitmap

See also: PortInfo::getType()

Definition at line 973 of file alsaport.cpp.

References PortInfo::getType().

◆ getReadSubscribers()

PortInfoList getReadSubscribers ( )

Gets the list of read subscribers.

Returns: The list of read subscribers

Definition at line 1158 of file alsaport.cpp.

References Subscriber::getAddr(), PortInfo::getCapability(), PortInfo::getClient(), MidiClient::getClientName(), PortInfo::getReadSubscribers(), and PortInfo::setClientName().

Referenced by MidiPort::updateConnectionsTo().

◆ getSubscriptions()

SubscriptionsList getSubscriptions ( ) const

Gets the list of susbcriptions.

Returns: The list of susbcriptions

Definition at line 605 of file alsaport.cpp.

◆ getSynthVoices()

int getSynthVoices ( )

Gets the synth voices.

Returns: The synth voices

Definition at line 1037 of file alsaport.cpp.

References PortInfo::getSynthVoices().

◆ getTimestamping()

bool getTimestamping ( )

Gets the timestamping mode.

Returns: The timestamping mode

Definition at line 1058 of file alsaport.cpp.

References PortInfo::getTimestamping().

◆ getTimestampQueue()

int getTimestampQueue ( )

Gets the timestamp queue number.

Returns: The timestamp queue number

Definition at line 1078 of file alsaport.cpp.

References PortInfo::getTimestampQueue().

◆ getTimestampReal()

bool getTimestampReal ( )

Gets the timestamp real mode.

Returns: The timestamp real mode

Definition at line 1068 of file alsaport.cpp.

References PortInfo::getTimestampReal().

◆ getWriteSubscribers()

PortInfoList getWriteSubscribers ( )

Gets the list of write subscribers.

Returns: The list of write subscribers

Definition at line 1183 of file alsaport.cpp.

References Subscriber::getAddr(), PortInfo::getCapability(), PortInfo::getClient(), MidiClient::getClientName(), PortInfo::getWriteSubscribers(), and PortInfo::setClientName().

Referenced by MidiPort::updateConnectionsFrom().

◆ midiClientChanged

void midiClientChanged	(	drumstick::ALSA::MidiPort *	port,
		drumstick::ALSA::MidiClient *	seq )

signal

Signal emitted when the MidiClient has changed.

Parameters

port	MIDI port object pinter
seq	MidiClient object pointer

Referenced by MidiPort::setMidiClient().

◆ setCapability()

void setCapability ( unsigned int newValue )

Sets the port capabilities.

Parameters

newValue The capabilities bitmap

See also: PortInfo::setCapability()

Definition at line 961 of file alsaport.cpp.

References MidiPort::applyPortInfo(), and PortInfo::setCapability().

◆ setMidiChannels()

void setMidiChannels ( int newValue )

Sets the MIDI channels.

Parameters

newValue The MIDI channels

Definition at line 1005 of file alsaport.cpp.

References MidiPort::applyPortInfo(), and PortInfo::setMidiChannels().

◆ setMidiClient()

void setMidiClient ( MidiClient * seq )

protected

Sets the MidiClient.

Parameters

seq	A MidiClient object pointer

Definition at line 624 of file alsaport.cpp.

References MidiPort::applyPortInfo(), and MidiPort::midiClientChanged().

Referenced by MidiClient::detachAllPorts(), and MidiClient::portDetach().

◆ setMidiVoices()

void setMidiVoices ( int newValue )

Sets the MIDI voices.

Parameters

newValue The MIDI voices

Definition at line 1026 of file alsaport.cpp.

References MidiPort::applyPortInfo(), and PortInfo::setMidiVoices().

◆ setPortName()

void setPortName ( QString const & newName )

Sets the port name.

Parameters

newName The new port name

Definition at line 928 of file alsaport.cpp.

References MidiPort::applyPortInfo(), and PortInfo::setName().

◆ setPortType()

void setPortType ( unsigned int newValue )

Sets the port type bitmap.

Parameters

newValue The port type flags bitmap

See also: PortInfo::setType()

Definition at line 984 of file alsaport.cpp.

References MidiPort::applyPortInfo(), and PortInfo::setType().

◆ setSynthVoices()

void setSynthVoices ( int newValue )

Sets the synth voices.

Parameters

newValue The synth voices

Definition at line 1047 of file alsaport.cpp.

References MidiPort::applyPortInfo(), and PortInfo::setSynthVoices().

◆ setTimestamping()

void setTimestamping ( bool value )

Sets the timestamping mode.

Parameters

value The timestamping mode

Definition at line 1088 of file alsaport.cpp.

References MidiPort::applyPortInfo(), and PortInfo::setTimestamping().

◆ setTimestampQueue()

void setTimestampQueue ( int queueId )

Sets the timestamp queue number.

Parameters

queueId The queue number

Definition at line 1110 of file alsaport.cpp.

References MidiPort::applyPortInfo(), and PortInfo::setTimestampQueue().

◆ setTimestampReal()

void setTimestampReal ( bool value )

Sets the timestamp real mode.

Parameters

value The timestamp real mode

Definition at line 1099 of file alsaport.cpp.

References MidiPort::applyPortInfo(), and PortInfo::setTimestampReal().

◆ subscribe()

void subscribe ( Subscription * subs )

Subscribe a Subscription object.

Parameters

subs	A Subscription object pointer

Definition at line 639 of file alsaport.cpp.

References Subscription::subscribe(), and MidiPort::subscribed().

Referenced by MidiPort::subscribeFrom(), MidiPort::subscribeFrom(), MidiPort::subscribeFrom(), MidiPort::subscribeTo(), MidiPort::subscribeTo(), and MidiPort::subscribeTo().

◆ subscribed

void subscribed	(	drumstick::ALSA::MidiPort *	port,
		drumstick::ALSA::Subscription *	subs )

signal

Signal emitted when an internal subscription is done.

Parameters

port	MIDI port object pointer
subs	Subscription object pointer

Referenced by MidiPort::subscribe().

◆ subscribeFrom() [1/3]

void subscribeFrom	(	int	client,
		int	port )

Subscribe a source port.

Parameters

client	ALSA client number
port	ALSA port number

Definition at line 793 of file alsaport.cpp.

References PortInfo::getAddr(), Subscription::setDest(), Subscription::setSender(), and MidiPort::subscribe().

◆ subscribeFrom() [2/3]

void subscribeFrom ( PortInfo * port )

Subscribe a source port.

Parameters

port	A PortInfo object pointer

Definition at line 779 of file alsaport.cpp.

References PortInfo::getAddr(), Subscription::setDest(), Subscription::setSender(), and MidiPort::subscribe().

Referenced by MidiPort::subscribeFromAnnounce(), and MidiPort::updateConnectionsFrom().

◆ subscribeFrom() [3/3]

void subscribeFrom ( QString const & name )

Subscribe a source port.

Parameters

name	A string representing a client:port pair

Definition at line 809 of file alsaport.cpp.

References PortInfo::getAddr(), MidiClient::getHandle(), MidiClient::parseAddress(), Subscription::setDest(), Subscription::setSender(), and MidiPort::subscribe().

◆ subscribeTo() [1/3]

void subscribeTo	(	int	client,
		int	port )

Susbcribe to another port destination.

Parameters

client	ALSA client number
port	ALSA port number

Definition at line 693 of file alsaport.cpp.

References PortInfo::getAddr(), Subscription::setDest(), Subscription::setSender(), and MidiPort::subscribe().

◆ subscribeTo() [2/3]

void subscribeTo ( PortInfo * info )

Subscribe to another port destination.

Parameters

info	A PortInfo object pointer

Definition at line 679 of file alsaport.cpp.

References PortInfo::getAddr(), Subscription::setDest(), Subscription::setSender(), and MidiPort::subscribe().

Referenced by MidiPort::updateConnectionsTo().

◆ subscribeTo() [3/3]

void subscribeTo ( QString const & name )

Subscribe to another port destination.

Parameters

name	A string representing a client:port pair

Definition at line 709 of file alsaport.cpp.

References PortInfo::getAddr(), MidiClient::getHandle(), MidiClient::parseAddress(), Subscription::setDest(), Subscription::setSender(), and MidiPort::subscribe().

◆ unsubscribe()

void unsubscribe ( Subscription * subs )

Unsubscribe a Subscription object.

Parameters

subs	A Subscription object pointer

Definition at line 651 of file alsaport.cpp.

References Subscription::getDest(), Subscription::getSender(), and Subscription::unsubscribe().

Referenced by MidiPort::unsubscribeFrom(), MidiPort::unsubscribeFrom(), MidiPort::unsubscribeFrom(), MidiPort::unsubscribeTo(), MidiPort::unsubscribeTo(), and MidiPort::unsubscribeTo().

◆ unsubscribeFrom() [1/3]

void unsubscribeFrom ( const snd_seq_addr_t * addr )

Unsubscribe a source port.

Parameters

addr	An ALSA address record pointer

Definition at line 863 of file alsaport.cpp.

References PortInfo::getAddr(), MidiClient::getHandle(), Subscription::setDest(), Subscription::setSender(), and MidiPort::unsubscribe().

◆ unsubscribeFrom() [2/3]

void unsubscribeFrom ( PortInfo * port )

Unsubscribe a source port.

Parameters

port	A PortInfo object pointer

Definition at line 847 of file alsaport.cpp.

References PortInfo::getAddr(), MidiClient::getHandle(), Subscription::setDest(), Subscription::setSender(), and MidiPort::unsubscribe().

◆ unsubscribeFrom() [3/3]

void unsubscribeFrom ( QString const & name )

Unsubscribe a source port.

Parameters

name	A string representing a client:port pair

Definition at line 828 of file alsaport.cpp.

References PortInfo::getAddr(), MidiClient::getHandle(), MidiClient::parseAddress(), Subscription::setDest(), Subscription::setSender(), and MidiPort::unsubscribe().

Referenced by MidiPort::updateConnectionsFrom().

◆ unsubscribeTo() [1/3]

void unsubscribeTo ( const snd_seq_addr_t * addr )

Unsubscribe a destination port.

Parameters

addr	An ALSA address record pointer

Definition at line 763 of file alsaport.cpp.

References PortInfo::getAddr(), MidiClient::getHandle(), Subscription::setDest(), Subscription::setSender(), and MidiPort::unsubscribe().

◆ unsubscribeTo() [2/3]

void unsubscribeTo ( PortInfo * port )

Unsubscribe a destination port.

Parameters

port	A PortInfo object pointer

Definition at line 747 of file alsaport.cpp.

References PortInfo::getAddr(), MidiClient::getHandle(), Subscription::setDest(), Subscription::setSender(), and MidiPort::unsubscribe().

◆ unsubscribeTo() [3/3]

void unsubscribeTo ( QString const & name )

Unsubscribe a destination port.

Parameters

name	A string representing a client:port pair

Definition at line 728 of file alsaport.cpp.

References PortInfo::getAddr(), MidiClient::getHandle(), MidiClient::parseAddress(), Subscription::setDest(), Subscription::setSender(), and MidiPort::unsubscribe().

Referenced by MidiPort::updateConnectionsTo().

◆ updateConnectionsFrom()

void updateConnectionsFrom ( const PortInfoList & ports )

Update the read susbcriptions.

Parameters

ports List of readable ports to be subscribed

Definition at line 1251 of file alsaport.cpp.

References MidiPort::containsAddress(), PortInfo::getAddr(), MidiPort::getWriteSubscribers(), MidiPort::subscribeFrom(), and MidiPort::unsubscribeFrom().

◆ updateConnectionsTo()

void updateConnectionsTo ( const PortInfoList & ports )

Update the write subscriptions.

Parameters

ports List of writable ports to be subscribed

Definition at line 1228 of file alsaport.cpp.

References MidiPort::containsAddress(), PortInfo::getAddr(), MidiPort::getReadSubscribers(), MidiPort::subscribeTo(), and MidiPort::unsubscribeTo().

The documentation for this class was generated from the following files:

Signals

Public Member Functions

Static Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ MidiPort()

◆ ~MidiPort()

Member Function Documentation

◆ attach()

◆ attached

◆ containsAddress()

◆ detached

◆ getCapability()

◆ getMidiChannels()

◆ getMidiVoices()

◆ getPortId()

◆ getPortInfo()

◆ getPortName()

◆ getPortType()

◆ getReadSubscribers()

◆ getSubscriptions()

◆ getSynthVoices()

◆ getTimestamping()

◆ getTimestampQueue()

◆ getTimestampReal()

◆ getWriteSubscribers()

◆ midiClientChanged

◆ setCapability()

◆ setMidiChannels()

◆ setMidiClient()

◆ setMidiVoices()

◆ setPortName()

◆ setPortType()

◆ setSynthVoices()

◆ setTimestamping()

◆ setTimestampQueue()

◆ setTimestampReal()

◆ subscribe()

◆ subscribed

◆ subscribeFrom() [1/3]

◆ subscribeFrom() [2/3]

◆ subscribeFrom() [3/3]

◆ subscribeTo() [1/3]

◆ subscribeTo() [2/3]

◆ subscribeTo() [3/3]

◆ unsubscribe()

◆ unsubscribeFrom() [1/3]

◆ unsubscribeFrom() [2/3]

◆ unsubscribeFrom() [3/3]

◆ unsubscribeTo() [1/3]

◆ unsubscribeTo() [2/3]

◆ unsubscribeTo() [3/3]

◆ updateConnectionsFrom()

◆ updateConnectionsTo()