Class: Webmidi::Message::UMP::Data128

Inherits:
Raw show all
Defined in:
lib/webmidi/message/ump.rb

Instance Attribute Summary

Attributes inherited from Raw

#words

Attributes inherited from Base

#group, #message_type

Attributes inherited from Base

#timestamp

Instance Method Summary collapse

Methods inherited from Raw

#to_bytes, #with

Methods inherited from Base

#with

Methods inherited from Base

#==, #channel, #deconstruct, #eql?, #hash, #same_bytes?, #same_event?, #to_binary, #to_bytes, #to_hex, #with

Constructor Details

#initialize(words:, group: 0, timestamp: nil) ⇒ Data128

Returns a new instance of Data128.



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# File 'lib/webmidi/message/ump.rb', line 289

def initialize(words:, group: 0, timestamp: nil)
  super(message_type: :data_128, words: words, group: group, timestamp: timestamp)
end

Instance Method Details

#byte_count ⇒ Object 



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# File 'lib/webmidi/message/ump.rb', line 297

def byte_count
  (@words.first >> 16) & 0x0F
end

#data_bytes ⇒ Object 



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# File 'lib/webmidi/message/ump.rb', line 305

def data_bytes
  word_bytes(@words.first & 0xFF, *@words[1..]).first(byte_count)
end

#deconstruct_keys(keys) ⇒ Object 



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# File 'lib/webmidi/message/ump.rb', line 309

def deconstruct_keys(keys)
  super.merge(
    packet_format: packet_format,
    byte_count: byte_count,
    stream_id: stream_id,
    data_bytes: data_bytes
  )
end

#packet_format ⇒ Object 



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# File 'lib/webmidi/message/ump.rb', line 293

def packet_format
  DATA_PACKET_FORMAT_BY_NIBBLE.fetch((@words.first >> 20) & 0x0F, :unknown)
end

#stream_id ⇒ Object 



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# File 'lib/webmidi/message/ump.rb', line 301

def stream_id
  (@words.first >> 8) & 0xFF
end