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2ab914c6ab
Bug: webrtc:13579 Change-Id: I240db6285abb22652242bc0b2ebe9844ec4a45f0 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/258723 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org> Commit-Queue: Ali Tofigh <alito@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36561}
95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/audio_processing/transient/transient_detector.h"
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#include <memory>
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#include <string>
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#include "modules/audio_processing/transient/common.h"
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#include "modules/audio_processing/transient/file_utils.h"
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#include "rtc_base/strings/string_builder.h"
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#include "rtc_base/system/file_wrapper.h"
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#include "test/gtest.h"
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#include "test/testsupport/file_utils.h"
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namespace webrtc {
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static const int kSampleRatesHz[] = {ts::kSampleRate8kHz, ts::kSampleRate16kHz,
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ts::kSampleRate32kHz,
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ts::kSampleRate48kHz};
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static const size_t kNumberOfSampleRates =
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sizeof(kSampleRatesHz) / sizeof(*kSampleRatesHz);
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// This test is for the correctness of the transient detector.
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// Checks the results comparing them with the ones stored in the detect files in
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// the directory: resources/audio_processing/transient/
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// The files contain all the results in double precision (Little endian).
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// The audio files used with different sample rates are stored in the same
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// directory.
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#if defined(WEBRTC_IOS)
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TEST(TransientDetectorTest, DISABLED_CorrectnessBasedOnFiles) {
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#else
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TEST(TransientDetectorTest, CorrectnessBasedOnFiles) {
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#endif
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for (size_t i = 0; i < kNumberOfSampleRates; ++i) {
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int sample_rate_hz = kSampleRatesHz[i];
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// Prepare detect file.
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rtc::StringBuilder detect_file_name;
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detect_file_name << "audio_processing/transient/detect"
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<< (sample_rate_hz / 1000) << "kHz";
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FileWrapper detect_file = FileWrapper::OpenReadOnly(
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test::ResourcePath(detect_file_name.str(), "dat"));
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bool file_opened = detect_file.is_open();
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ASSERT_TRUE(file_opened) << "File could not be opened.\n"
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<< detect_file_name.str().c_str();
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// Prepare audio file.
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rtc::StringBuilder audio_file_name;
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audio_file_name << "audio_processing/transient/audio"
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<< (sample_rate_hz / 1000) << "kHz";
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FileWrapper audio_file = FileWrapper::OpenReadOnly(
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test::ResourcePath(audio_file_name.str(), "pcm"));
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// Create detector.
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TransientDetector detector(sample_rate_hz);
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const size_t buffer_length = sample_rate_hz * ts::kChunkSizeMs / 1000;
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std::unique_ptr<float[]> buffer(new float[buffer_length]);
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const float kTolerance = 0.02f;
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size_t frames_read = 0;
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while (ReadInt16FromFileToFloatBuffer(&audio_file, buffer_length,
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buffer.get()) == buffer_length) {
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++frames_read;
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float detector_value =
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detector.Detect(buffer.get(), buffer_length, NULL, 0);
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double file_value;
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ASSERT_EQ(1u, ReadDoubleBufferFromFile(&detect_file, 1, &file_value))
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<< "Detect test file is malformed.\n";
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// Compare results with data from the matlab test file.
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EXPECT_NEAR(file_value, detector_value, kTolerance)
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<< "Frame: " << frames_read;
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}
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detect_file.Close();
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audio_file.Close();
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}
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}
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} // namespace webrtc
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