class_docstr: Test transcoding and streaming
class_docstr_tok: ["Test","transcoding","and","streaming"]
code: def setUp(self):
      self.source = samples["sweep.wav"]
      self.test_duration = True
      self.test_channels = True
      self.filesize_delta = None
      self.expected_sample_rate = None
  
file_path: TimeSide/tests/test_transcoding_streaming.py
imports: from __future__ import division
  from timeside.core.processor import get_processor, ProcessPipe
  from timeside.plugins.decoder.aubio import AubioDecoder
  import unittest
  from unit_timeside import TestRunner
  from tools import tmp_file_sink
  from timeside.core.tools.test_samples import samples
label_desc: Use image node_id 1 for calling the TestTranscodingStreaming obj's underlying member method code with example usage: obj.setUp() without return types