APM-QA tool, renaming noise generators into input-reference generators.

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

 # Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 """APM module simulator.
 """
 
 import logging
 import os
 
 from . import audioproc_wrapper
 from . import data_access
 from . import eval_scores
 from . import eval_scores_factory
 from . import evaluation
-from . import noise_generation
-from . import noise_generation_factory
+from . import test_data_generation
+from . import test_data_generation_factory
 
 
 class ApmModuleSimulator(object):
   """APM module simulator class.
   """
 
-  _NOISE_GENERATOR_CLASSES = noise_generation.NoiseGenerator.REGISTERED_CLASSES
+  _INREF_GENERATOR_CLASSES = (
+      test_data_generation.TestDataGenerator.REGISTERED_CLASSES)
   _EVAL_SCORE_WORKER_CLASSES = eval_scores.EvaluationScore.REGISTERED_CLASSES
 
   def __init__(self, aechen_ir_database_path, polqa_tool_path):
     # Init.
     self._audioproc_wrapper = audioproc_wrapper.AudioProcWrapper()
     self._evaluator = evaluation.ApmModuleEvaluator()
 
     # Instance factory objects.
-    self._noise_generator_factory = (
-        noise_generation_factory.NoiseGeneratorFactory(
+    self._test_data_generator_factory = (
+        test_data_generation_factory.TestDataGeneratorFactory(
             aechen_ir_database_path=aechen_ir_database_path))
     self._evaluation_score_factory = (
         eval_scores_factory.EvaluationScoreWorkerFactory(
             polqa_tool_path=polqa_tool_path))
 
     # Properties for each run.
     self._base_output_path = None
-    self._noise_generators = None
+    self._test_data_generators = None
     self._evaluation_score_workers = None
     self._config_filepaths = None
     self._input_filepaths = None
 
-  def Run(self, config_filepaths, input_filepaths, noise_generator_names,
+  def Run(self, config_filepaths, input_filepaths, test_data_generator_names,
           eval_score_names, output_dir):
     """Runs the APM simulation.
 
     Initializes paths and required instances, then runs all the simulations.
 
     Args:
       config_filepaths: set of APM configuration files to test.
       input_filepaths: set of input audio track files to test.
-      noise_generator_names: set of noise generator names to test.
+      test_data_generator_names: set of test data generator names to test.
       eval_score_names: set of evaluation score names to test.
       output_dir: base path to the output directory for wav files and outcomes.
     """
     self._base_output_path = os.path.abspath(output_dir)
 
-    # Instance noise generators.
-    self._noise_generators = [self._noise_generator_factory.GetInstance(
-        noise_generator_class=self._NOISE_GENERATOR_CLASSES[name]) for name in (
-            noise_generator_names)]
+    # Instance test data generators.
+    self._test_data_generators = [self._test_data_generator_factory.GetInstance(
+        test_data_generators_class=self._INREF_GENERATOR_CLASSES[name]) for (
+            name) in test_data_generator_names]
 
     # Instance evaluation score workers.
     self._evaluation_score_workers = [
         self._evaluation_score_factory.GetInstance(
             evaluation_score_class=self._EVAL_SCORE_WORKER_CLASSES[name]) for (
                 name) in eval_score_names]
 
     # Set APM configuration file paths.
     self._config_filepaths = self._CreatePathsCollection(config_filepaths)
 
     # Set probing signal file paths.
     self._input_filepaths = self._CreatePathsCollection(input_filepaths)
 
     self._SimulateAll()
 
   def _SimulateAll(self):
     """Runs all the simulations.
 
     Iterates over the combinations of APM configurations, probing signals, and
-    noise generators.
+    test data generators.
     """
     # Try different APM config files.
     for config_name in self._config_filepaths:
       config_filepath = self._config_filepaths[config_name]
 
       # Try different probing signal files.
       for input_name in self._input_filepaths:
         input_filepath = self._input_filepaths[input_name]
 
-        # Try different noise generators.
-        for noise_generator in self._noise_generators:
+        # Try different test data generators.
+        for test_data_generators in self._test_data_generators:
           logging.info('config: <%s>, input: <%s>, noise: <%s>',
-                       config_name, input_name, noise_generator.NAME)
+                       config_name, input_name, test_data_generators.NAME)
 
           # Output path for the input-noise pairs. It is used to cache the noisy
           # copies of the probing signals (shared across some simulations).
           input_noise_cache_path = os.path.join(
               self._base_output_path,
               '_cache',
-              'input_{}-noise_{}'.format(input_name, noise_generator.NAME))
+              'input_{}-noise_{}'.format(input_name, test_data_generators.NAME))
           data_access.MakeDirectory(input_noise_cache_path)
           logging.debug('input-noise cache path: <%s>', input_noise_cache_path)
 
           # Full output path.
           output_path = os.path.join(
               self._base_output_path,
               'cfg-{}'.format(config_name),
               'input-{}'.format(input_name),
-              'noise-{}'.format(noise_generator.NAME))
+              'gen-{}'.format(test_data_generators.NAME))
           data_access.MakeDirectory(output_path)
           logging.debug('output path: <%s>', output_path)
 
-          self._Simulate(noise_generator, input_filepath,
+          self._Simulate(test_data_generators, input_filepath,
                          input_noise_cache_path, output_path, config_filepath)
 
-  def _Simulate(self, noise_generator, input_filepath, input_noise_cache_path,
-                output_path, config_filepath):
+  def _Simulate(self, test_data_generators, input_filepath,
+                input_noise_cache_path, output_path, config_filepath):
     """Runs a single set of simulation.
 
     Simulates a given combination of APM configuration, probing signal, and
-    noise generator. It iterates over the noise generator internal
-    configurations.
+    test data generator. It iterates over the test data generator
+    internal configurations.
 
     Args:
-      noise_generator: NoiseGenerator instance.
+      test_data_generators: TestDataGenerator instance.
       input_filepath: input audio track file to test.
       input_noise_cache_path: path for the noisy audio track files.
-      output_path: base output path for the noise generator.
+      output_path: base output path for the test data generator.
       config_filepath: APM configuration file to test.
     """
     # Generate pairs of noisy input and reference signal files.
-    noise_generator.Generate(
+    test_data_generators.Generate(
         input_signal_filepath=input_filepath,
         input_noise_cache_path=input_noise_cache_path,
         base_output_path=output_path)
 
-    # For each input-reference pair, simulate a call and evaluate.
-    for noise_generator_config_name in noise_generator.config_names:
-      logging.info(' - noise config: <%s>', noise_generator_config_name)
+    # For each test data pair, simulate a call and evaluate.
+    for test_data_generators_config_name in test_data_generators.config_names:
+      logging.info(' - test data generator config: <%s>',
+                   test_data_generators_config_name)
 
       # APM input and output signal paths.
-      noisy_signal_filepath = noise_generator.noisy_signal_filepaths[
-          noise_generator_config_name]
-      evaluation_output_path = noise_generator.apm_output_paths[
-          noise_generator_config_name]
+      noisy_signal_filepath = test_data_generators.noisy_signal_filepaths[
+          test_data_generators_config_name]
+      evaluation_output_path = test_data_generators.apm_output_paths[
+          test_data_generators_config_name]
 
       # Simulate a call using the audio processing module.
       self._audioproc_wrapper.Run(
           config_filepath=config_filepath,
           input_filepath=noisy_signal_filepath,
           output_path=evaluation_output_path)
 
       # Reference signal path for the evaluation step.
-      reference_signal_filepath = noise_generator.reference_signal_filepaths[
-          noise_generator_config_name]
+      reference_signal_filepath = (
+          test_data_generators.reference_signal_filepaths[
+              test_data_generators_config_name])
 
       # Evaluate.
       self._evaluator.Run(
           evaluation_score_workers=self._evaluation_score_workers,
           apm_output_filepath=self._audioproc_wrapper.output_filepath,
           reference_input_filepath=reference_signal_filepath,
           output_path=evaluation_output_path)
 
   @classmethod
   def _CreatePathsCollection(cls, filepaths):
     """Creates a collection of file paths.
 
     Given a list of file paths, makes a collection with one item for each file
     path. The value is absolute path, the key is the file name without
     extenstion.
 
     Args:
       filepaths: list of file paths.
 
     Returns:
       A dict.
     """
     filepaths_collection = {}
     for filepath in filepaths:
       name = os.path.splitext(os.path.split(filepath)[1])[0]
       filepaths_collection[name] = os.path.abspath(filepath)
     return filepaths_collection