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# 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.
"""Evaluator of the APM module.
"""
import logging
class ApmModuleEvaluator(object):
"""APM evaluator class.
"""
def __init__(self):
pass
@classmethod
def Run(cls, evaluation_score_workers, apm_input_metadata,
apm_output_filepath, reference_input_filepath,
render_input_filepath, output_path):
"""Runs the evaluation.
Iterates over the given evaluation score workers.
Args:
evaluation_score_workers: list of EvaluationScore instances.
apm_input_metadata: dictionary with metadata of the APM input.
apm_output_filepath: path to the audio track file with the APM output.
reference_input_filepath: path to the reference audio track file.
output_path: output path.
Returns:
A dict of evaluation score name and score pairs.
"""
# Init.
scores = {}
for evaluation_score_worker in evaluation_score_workers:
logging.info(' computing <%s> score',
evaluation_score_worker.NAME)
evaluation_score_worker.SetInputSignalMetadata(apm_input_metadata)
evaluation_score_worker.SetReferenceSignalFilepath(
reference_input_filepath)
evaluation_score_worker.SetTestedSignalFilepath(
apm_output_filepath)
evaluation_score_worker.SetRenderSignalFilepath(
render_input_filepath)
evaluation_score_worker.Run(output_path)
scores[
evaluation_score_worker.NAME] = evaluation_score_worker.score
return scores