Class: Zgomot::Drivers::CoreMidi

Inherits:
Driver show all
Defined in:
lib/zgomot/drivers/core_midi.rb

Defined Under Namespace

Modules: Interface

Constant Summary

Constants inherited from Driver

Driver::CA, Driver::CC, Driver::OFF, Driver::ON, Driver::PA, Driver::PB, Driver::PC

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Driver

#aftertouch, #channel_aftertouch, #control_change, #note_off, #note_on, #pitch_bend, #program_change

Constructor Details

#initialize ⇒ CoreMidi

Driver



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# File 'lib/zgomot/drivers/core_midi.rb', line 67

def initialize
  load_destinations
  load_sources
  find_iac_destination
  @input_client = create_client('Input-Client')
  @output_client = create_client('Output-Client')
  create_output_port
  create_input_port
end

Instance Attribute Details

#destinations ⇒ Object (readonly)

Returns the value of attribute destinations.



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# File 'lib/zgomot/drivers/core_midi.rb', line 5

def destinations
  @destinations
end

#input ⇒ Object (readonly)

Returns the value of attribute input.



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# File 'lib/zgomot/drivers/core_midi.rb', line 5

def input
  @input
end

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/zgomot/drivers/core_midi.rb', line 5

def output
  @output
end

#sources ⇒ Object (readonly)

Returns the value of attribute sources.



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# File 'lib/zgomot/drivers/core_midi.rb', line 5

def sources
  @sources
end

Instance Method Details

#add_input(name) ⇒ Object 



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# File 'lib/zgomot/drivers/core_midi.rb', line 92

def add_input(name)
  remove_input(name) if @input
  src_index = find_source_index_for_name(name)
  src = Interface.MIDIGetSource(src_index)
  Interface::MIDIPortConnectSource(@input_port, src, nil)
  @input = name
end

#close ⇒ Object 



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# File 'lib/zgomot/drivers/core_midi.rb', line 77

def close
  Map.MIDIClientDispose(@client)
end

#remove_input(name) ⇒ Object 



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# File 'lib/zgomot/drivers/core_midi.rb', line 100

def remove_input(name)
  src_index = find_source_index_for_name(name)
  src = Interface.MIDIGetSource(src_index)
  Interface::MIDIPortDisconnectSource(@input_endpoint, src)
  @input = nil
end

#write(*data) ⇒ Object 



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# File 'lib/zgomot/drivers/core_midi.rb', line 81

def write(*data)
  size = data.size
  format = "C" * size
  bytes = FFI::MemoryPointer.new(FFI.type_size(:char) * size)
  bytes.write_string(data.pack(format))
  packet_list = FFI::MemoryPointer.new(256)
  packet_ptr = Interface.MIDIPacketListInit(packet_list)
  packet_ptr = Interface.MIDIPacketListAdd(packet_list, 256, packet_ptr, 0, size, bytes)
  Interface.MIDISend(@output_port, @destination, packet_list)
end