Class: Deftones::Component::MidSideSplit

Inherits:
Deftones::Core::AudioNode show all
Defined in:
lib/deftones/component/mid_side_split.rb

Defined Under Namespace

Classes: OutputTap

Constant Summary collapse

SQRT_TWO = 
Math.sqrt(2.0)

Instance Attribute Summary collapse

Attributes inherited from Deftones::Core::AudioNode

#context, #input

Instance Method Summary collapse

Methods inherited from Deftones::Core::AudioNode

#>>, #attach_destination, #attach_source, #block_time, #chain, #channel_count, #channel_count_mode, #channel_interpretation, #connect, #connected?, #default_input_channels, #default_output_channels, #destination_for_connection, #detach_all_destinations, #detach_destination, #detach_source, #disconnect, #dispose, #disposed?, #fan, #get, #immediate, #input_for_index, #inputs, #mix_source_blocks, #multichannel_process?, #name, #normalize_connection_index, #normalize_output_block, #now, #number_of_inputs, #number_of_outputs, #output, #output_for_connection, #output_for_index, #outputs, #process, #raise_connection_index_error!, #reaches_node?, #render, #render_block, #sample_time, #set, #to_destination, #to_frequency, #to_master, #to_midi, #to_output, #to_s, #to_seconds, #to_ticks, #uses_legacy_render_for_block?, #validate_connectable!, #validate_connection_index!

Constructor Details

#initialize(context: Deftones.context) ⇒ MidSideSplit

Returns a new instance of MidSideSplit.



10
11
12
13
14
 
# File 'lib/deftones/component/mid_side_split.rb', line 10

def initialize(context: Deftones.context)
  super(context: context)
  @mid = OutputTap.new(parent: self, mode: :mid, context: context)
  @side = OutputTap.new(parent: self, mode: :side, context: context)
end

Instance Attribute Details

#mid ⇒ Object (readonly)

Returns the value of attribute mid.



8
9
10
 
# File 'lib/deftones/component/mid_side_split.rb', line 8

def mid
  @mid
end

#side ⇒ Object (readonly)

Returns the value of attribute side.



8
9
10
 
# File 'lib/deftones/component/mid_side_split.rb', line 8

def side
  @side
end

Instance Method Details

#render_output(mode, num_frames, start_frame = 0, cache = {}) ⇒ Object 



16
17
18
 
# File 'lib/deftones/component/mid_side_split.rb', line 16

def render_output(mode, num_frames, start_frame = 0, cache = {})
  render_output_block(mode, num_frames, start_frame, cache).mono
end

#render_output_block(mode, num_frames, start_frame = 0, cache = {}) ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
# File 'lib/deftones/component/mid_side_split.rb', line 20

def render_output_block(mode, num_frames, start_frame = 0, cache = {})
  input_block = send(:mix_source_blocks, num_frames, start_frame, cache).fit_channels(2)
  left = input_block.channel(0)
  right = input_block.channel(1)

  output = case mode
           when :mid
             Array.new(num_frames) { |index| (left[index] + right[index]) / SQRT_TWO }
           when :side
             Array.new(num_frames) { |index| (left[index] - right[index]) / SQRT_TWO }
           else
             raise ArgumentError, "Unsupported mid/side output: #{mode}"
           end

  Core::AudioBlock.from_channel_data([output])
end