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/*
* 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 <vector>
#include "api/scoped_refptr.h"
#include "rtc_tools/frame_analyzer/reference_less_video_analysis_lib.h"
#include "rtc_tools/video_file_reader.h"
#include "test/gtest.h"
#include "test/testsupport/file_utils.h"
class ReferenceLessVideoAnalysisTest : public ::testing::Test {
public:
void SetUp() override {
video = webrtc::test::OpenY4mFile(
webrtc::test::ResourcePath("reference_less_video_test_file", "y4m"));
ASSERT_TRUE(video);
}
rtc::scoped_refptr<webrtc::test::Video> video;
std::vector<double> psnr_per_frame;
std::vector<double> ssim_per_frame;
};
TEST_F(ReferenceLessVideoAnalysisTest, MatchComputedMetrics) {
compute_metrics(video, &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, MatchIdenticalFrameClusters) {
compute_metrics(video, &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]);
}