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1 /* | |
2 * Copyright (c) 2016 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 #include <string.h> | |
11 #include <stdio.h> | |
12 #include <cstring> | |
13 #include <iostream> | |
14 #include <vector> | |
15 | |
16 #include "webrtc/test/gtest.h" | |
17 #include "webrtc/test/testsupport/fileutils.h" | |
18 #include "webrtc/tools/frame_analyzer/reference_less_video_analysis_lib.h" | |
19 | |
20 class ReferenceLessVideoAnalysisTest : public ::testing::Test { | |
21 public: | |
22 void SetUp() override { | |
23 video_file = | |
24 webrtc::test::ResourcePath("reference_less_video_test_file", "y4m"); | |
25 } | |
26 std::string video_file; | |
27 std::vector<double> psnr_per_frame; | |
28 std::vector<double> ssim_per_frame; | |
29 }; | |
30 | |
31 TEST_F(ReferenceLessVideoAnalysisTest, MatchComputedMetrics) { | |
32 compute_metrics(video_file, &psnr_per_frame, &ssim_per_frame); | |
33 EXPECT_EQ(74, (int)psnr_per_frame.size()); | |
34 | |
35 ASSERT_NEAR(27.2f, psnr_per_frame[1], 0.1f); | |
36 ASSERT_NEAR(24.9f, psnr_per_frame[5], 0.1f); | |
37 | |
38 ASSERT_NEAR(0.9f, ssim_per_frame[1], 0.1f); | |
39 ASSERT_NEAR(0.9f, ssim_per_frame[5], 0.1f); | |
40 } | |
41 | |
42 TEST_F(ReferenceLessVideoAnalysisTest, MatchHeightWidthFps) { | |
43 int height = 0, width = 0, fps = 0; | |
44 get_height_width_fps(&height, &width, &fps, video_file.c_str()); | |
45 EXPECT_EQ(height, 720); | |
46 EXPECT_EQ(width, 1280); | |
47 EXPECT_EQ(fps, 25); | |
48 } | |
49 | |
50 TEST_F(ReferenceLessVideoAnalysisTest, MatchIdenticalFrameClusters) { | |
51 compute_metrics(video_file, &psnr_per_frame, &ssim_per_frame); | |
52 std::vector<int> identical_frame_clusters = | |
53 find_frame_clusters(psnr_per_frame, ssim_per_frame); | |
54 EXPECT_EQ(5, (int)identical_frame_clusters.size()); | |
55 EXPECT_EQ(1, identical_frame_clusters[0]); | |
56 EXPECT_EQ(1, identical_frame_clusters[4]); | |
57 } | |
58 | |
59 TEST_F(ReferenceLessVideoAnalysisTest, CheckFileExtension) { | |
60 EXPECT_TRUE(check_file_extension(video_file)); | |
61 std::string txt_file = | |
62 webrtc::test::ResourcePath("video_quality_analysis_frame", "txt"); | |
63 EXPECT_FALSE(check_file_extension(txt_file)); | |
64 } | |
65 | |
66 | |
67 | |
68 | |
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