class_docstr: Waveform analyzer
class_docstr_tok: ["Waveform","analyzer"]
code: def setup(
      self,
      channels=None,
      samplerate=None,
      blocksize=None,
      totalframes=None,
  ):
      super(Waveform, self).setup(
          channels, samplerate, blocksize, totalframes
      )
      self.values = []
      self.result_blocksize = 1
      self.result_stepsize = 1
  
file_path: TimeSide/timeside/plugins/analyzer/waveform.py
imports: from timeside.core import implements, interfacedoc
  from timeside.core.analyzer import Analyzer
  from timeside.core.api import IAnalyzer
  import numpy
  from timeside.core.grapher import DisplayAnalyzer
label_desc: Use image node_id 2 for calling the Waveform obj's underlying member method code with example usage: obj.setup(channels, samplerate, blocksize, totalframes) without return types