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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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