APM QA refactoring: render stream support, echo path simulation, new export engine

webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py

Index: webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py
diff --git a/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py b/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py
index eec74391ad38198e155997298c3e1919e9b2e2c6..b67208bc4b793d6cf3d8e878066f2e7a2be8a5e2 100644
--- a/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py
+++ b/webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/eval_scores.py
@@ -24,7 +24,8 @@ class EvaluationScore(object):
   NAME = None
   REGISTERED_CLASSES = {}
 
-  def __init__(self):
+  def __init__(self, score_filename_prefix):
+    self._score_filename_prefix = score_filename_prefix
     self._reference_signal = None
     self._reference_signal_filepath = None
     self._tested_signal = None
@@ -76,8 +77,8 @@ class EvaluationScore(object):
     Args:
       output_path: path to the directory where the output is written.
     """
-    self._output_filepath = os.path.join(output_path, 'score-{}.txt'.format(
-        self.NAME))
+    self._output_filepath = os.path.join(
+        output_path, self._score_filename_prefix + self.NAME + '.txt')
     try:
       # If the score has already been computed, load.
       self._LoadScore()
@@ -123,8 +124,8 @@ class AudioLevelScore(EvaluationScore):
 
   NAME = 'audio_level'
 
-  def __init__(self):
-    EvaluationScore.__init__(self)
+  def __init__(self, score_filename_prefix):
+    EvaluationScore.__init__(self, score_filename_prefix)
 
   def _Run(self, output_path):
     self._LoadReferenceSignal()
@@ -146,8 +147,8 @@ class PolqaScore(EvaluationScore):
 
   NAME = 'polqa'
 
-  def __init__(self, polqa_bin_filepath):
-    EvaluationScore.__init__(self)
+  def __init__(self, score_filename_prefix, polqa_bin_filepath):
+    EvaluationScore.__init__(self, score_filename_prefix)
 
     # POLQA binary file path.
     self._polqa_bin_filepath = polqa_bin_filepath