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| 1 /* | |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 // Use CreateHistUnittestFile.m to generate the input file. | |
| 12 | |
| 13 #include "webrtc/modules/audio_processing/agc/histogram.h" | |
| 14 | |
| 15 #include <stdio.h> | |
| 16 #include <cmath> | |
| 17 #include <memory> | |
| 18 | |
| 19 #include "gtest/gtest.h" | |
| 20 #include "webrtc/test/testsupport/fileutils.h" | |
| 21 #include "webrtc/modules/audio_processing/agc/utility.h" | |
| 22 | |
| 23 namespace webrtc { | |
| 24 | |
| 25 struct InputOutput { | |
| 26 double rms; | |
| 27 double activity_probability; | |
| 28 double audio_content; | |
| 29 double loudness; | |
| 30 }; | |
| 31 | |
| 32 const double kRelativeErrTol = 1e-10; | |
| 33 | |
| 34 class HistogramTest : public ::testing::Test { | |
| 35 protected: | |
| 36 void RunTest(bool enable_circular_buff, | |
| 37 const char* filename); | |
| 38 | |
| 39 private: | |
| 40 void TestClean(); | |
| 41 std::unique_ptr<Histogram> hist_; | |
| 42 }; | |
| 43 | |
| 44 void HistogramTest::TestClean() { | |
| 45 EXPECT_EQ(hist_->CurrentRms(), 7.59621091765857e-02); | |
| 46 EXPECT_EQ(hist_->AudioContent(), 0); | |
| 47 EXPECT_EQ(hist_->num_updates(), 0); | |
| 48 } | |
| 49 | |
| 50 void HistogramTest::RunTest(bool enable_circular_buff, const char* filename) { | |
| 51 FILE* in_file = fopen(filename, "rb"); | |
| 52 ASSERT_TRUE(in_file != NULL); | |
| 53 if (enable_circular_buff) { | |
| 54 int buffer_size; | |
| 55 EXPECT_EQ(fread(&buffer_size, sizeof(buffer_size), 1, in_file), 1u); | |
| 56 hist_.reset(Histogram::Create(buffer_size)); | |
| 57 } else { | |
| 58 hist_.reset(Histogram::Create()); | |
| 59 } | |
| 60 TestClean(); | |
| 61 | |
| 62 InputOutput io; | |
| 63 int num_updates = 0; | |
| 64 int num_reset = 0; | |
| 65 while (fread(&io, sizeof(InputOutput), 1, in_file) == 1) { | |
| 66 if (io.rms < 0) { | |
| 67 // We have to reset. | |
| 68 hist_->Reset(); | |
| 69 TestClean(); | |
| 70 num_updates = 0; | |
| 71 num_reset++; | |
| 72 // Read the next chunk of input. | |
| 73 if (fread(&io, sizeof(InputOutput), 1, in_file) != 1) | |
| 74 break; | |
| 75 } | |
| 76 hist_->Update(io.rms, io.activity_probability); | |
| 77 num_updates++; | |
| 78 EXPECT_EQ(hist_->num_updates(), num_updates); | |
| 79 double audio_content = hist_->AudioContent(); | |
| 80 | |
| 81 double abs_err = std::min(audio_content, io.audio_content) * | |
| 82 kRelativeErrTol; | |
| 83 | |
| 84 ASSERT_NEAR(audio_content, io.audio_content, abs_err); | |
| 85 double current_loudness = Linear2Loudness(hist_->CurrentRms()); | |
| 86 abs_err = std::min(fabs(current_loudness), fabs(io.loudness)) * | |
| 87 kRelativeErrTol; | |
| 88 ASSERT_NEAR(current_loudness, io.loudness, abs_err); | |
| 89 } | |
| 90 fclose(in_file); | |
| 91 } | |
| 92 | |
| 93 TEST_F(HistogramTest, ActiveCircularBuffer) { | |
| 94 RunTest(true, | |
| 95 test::ResourcePath("audio_processing/agc/agc_with_circular_buffer", | |
| 96 "dat").c_str()); | |
| 97 } | |
| 98 | |
| 99 TEST_F(HistogramTest, InactiveCircularBuffer) { | |
| 100 RunTest(false, | |
| 101 test::ResourcePath("audio_processing/agc/agc_no_circular_buffer", | |
| 102 "dat").c_str()); | |
| 103 } | |
| 104 | |
| 105 } // namespace webrtc | |
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Chromium Code Reviews
Issue 2051443002:
Change name of files and class in agc/histogram* in order to avoid file-name clash. (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master