| /* |
| * Copyright (c) 2016 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 <stdio.h> |
| #include <string.h> |
| #include <cstring> |
| #include <iostream> |
| #include <vector> |
| |
| #include "rtc_tools/frame_analyzer/reference_less_video_analysis_lib.h" |
| #include "test/gtest.h" |
| #include "test/testsupport/fileutils.h" |
| |
| class ReferenceLessVideoAnalysisTest : public ::testing::Test { |
| public: |
| void SetUp() override { |
| video_file = |
| webrtc::test::ResourcePath("reference_less_video_test_file", "y4m"); |
| } |
| std::string video_file; |
| std::vector<double> psnr_per_frame; |
| std::vector<double> ssim_per_frame; |
| }; |
| |
| TEST_F(ReferenceLessVideoAnalysisTest, MatchComputedMetrics) { |
| compute_metrics(video_file, &psnr_per_frame, &ssim_per_frame); |
| EXPECT_EQ(74, (int)psnr_per_frame.size()); |
| |
| ASSERT_NEAR(27.2f, psnr_per_frame[1], 0.1f); |
| ASSERT_NEAR(24.9f, psnr_per_frame[5], 0.1f); |
| |
| ASSERT_NEAR(0.9f, ssim_per_frame[1], 0.1f); |
| ASSERT_NEAR(0.9f, ssim_per_frame[5], 0.1f); |
| } |
| |
| TEST_F(ReferenceLessVideoAnalysisTest, MatchHeightWidthFps) { |
| int height = 0, width = 0, fps = 0; |
| get_height_width_fps(&height, &width, &fps, video_file.c_str()); |
| EXPECT_EQ(height, 720); |
| EXPECT_EQ(width, 1280); |
| EXPECT_EQ(fps, 25); |
| } |
| |
| TEST_F(ReferenceLessVideoAnalysisTest, MatchIdenticalFrameClusters) { |
| compute_metrics(video_file, &psnr_per_frame, &ssim_per_frame); |
| std::vector<int> identical_frame_clusters = |
| find_frame_clusters(psnr_per_frame, ssim_per_frame); |
| EXPECT_EQ(5, (int)identical_frame_clusters.size()); |
| EXPECT_EQ(1, identical_frame_clusters[0]); |
| EXPECT_EQ(1, identical_frame_clusters[4]); |
| } |
| |
| TEST_F(ReferenceLessVideoAnalysisTest, CheckFileExtension) { |
| EXPECT_TRUE(check_file_extension(video_file)); |
| std::string txt_file = |
| webrtc::test::ResourcePath("video_quality_analysis_frame", "txt"); |
| EXPECT_FALSE(check_file_extension(txt_file)); |
| } |