mirror of
https://github.com/oxen-io/session-android.git
synced 2024-11-24 18:45:19 +00:00
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
/*
|
|
* Copyright (c) 2014 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.
|
|
*/
|
|
|
|
#include "webrtc/modules/audio_coding/neteq/audio_classifier.h"
|
|
|
|
#include <math.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <string>
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "webrtc/test/testsupport/fileutils.h"
|
|
|
|
namespace webrtc {
|
|
|
|
static const size_t kFrameSize = 960;
|
|
|
|
TEST(AudioClassifierTest, AllZeroInput) {
|
|
int16_t in_mono[kFrameSize] = {0};
|
|
|
|
// Test all-zero vectors and let the classifier converge from its default
|
|
// to the expected value.
|
|
AudioClassifier zero_classifier;
|
|
for (int i = 0; i < 100; ++i) {
|
|
zero_classifier.Analysis(in_mono, kFrameSize, 1);
|
|
}
|
|
EXPECT_TRUE(zero_classifier.is_music());
|
|
}
|
|
|
|
void RunAnalysisTest(const std::string& audio_filename,
|
|
const std::string& data_filename,
|
|
size_t channels) {
|
|
AudioClassifier classifier;
|
|
scoped_ptr<int16_t[]> in(new int16_t[channels * kFrameSize]);
|
|
bool is_music_ref;
|
|
|
|
FILE* audio_file = fopen(audio_filename.c_str(), "rb");
|
|
ASSERT_TRUE(audio_file != NULL) << "Failed to open file " << audio_filename
|
|
<< std::endl;
|
|
FILE* data_file = fopen(data_filename.c_str(), "rb");
|
|
ASSERT_TRUE(audio_file != NULL) << "Failed to open file " << audio_filename
|
|
<< std::endl;
|
|
while (fread(in.get(), sizeof(int16_t), channels * kFrameSize, audio_file) ==
|
|
channels * kFrameSize) {
|
|
bool is_music =
|
|
classifier.Analysis(in.get(), channels * kFrameSize, channels);
|
|
EXPECT_EQ(is_music, classifier.is_music());
|
|
ASSERT_EQ(1u, fread(&is_music_ref, sizeof(is_music_ref), 1, data_file));
|
|
EXPECT_EQ(is_music_ref, is_music);
|
|
}
|
|
fclose(audio_file);
|
|
fclose(data_file);
|
|
}
|
|
|
|
TEST(AudioClassifierTest, DoAnalysisMono) {
|
|
RunAnalysisTest(test::ResourcePath("short_mixed_mono_48", "pcm"),
|
|
test::ResourcePath("short_mixed_mono_48", "dat"),
|
|
1);
|
|
}
|
|
|
|
TEST(AudioClassifierTest, DoAnalysisStereo) {
|
|
RunAnalysisTest(test::ResourcePath("short_mixed_stereo_48", "pcm"),
|
|
test::ResourcePath("short_mixed_stereo_48", "dat"),
|
|
2);
|
|
}
|
|
|
|
} // namespace webrtc
|