chromium/third_party/webrtc/rtc_tools/frame_analyzer/video_quality_analysis.cc

/*
 *  Copyright (c) 2012 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 "rtc_tools/frame_analyzer/video_quality_analysis.h"

#include <algorithm>
#include <array>
#include <cstddef>

#include "api/numerics/samples_stats_counter.h"
#include "api/test/metrics/metric.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
#include "third_party/libyuv/include/libyuv/compare.h"

namespace webrtc {
namespace test {

ResultsContainer::ResultsContainer() { … }
ResultsContainer::~ResultsContainer() { … }

template <typename FrameMetricFunction>
static double CalculateMetric(
    const FrameMetricFunction& frame_metric_function,
    const rtc::scoped_refptr<I420BufferInterface>& ref_buffer,
    const rtc::scoped_refptr<I420BufferInterface>& test_buffer) { … }

double Psnr(const rtc::scoped_refptr<I420BufferInterface>& ref_buffer,
            const rtc::scoped_refptr<I420BufferInterface>& test_buffer) { … }

double Ssim(const rtc::scoped_refptr<I420BufferInterface>& ref_buffer,
            const rtc::scoped_refptr<I420BufferInterface>& test_buffer) { … }

std::vector<AnalysisResult> RunAnalysis(
    const rtc::scoped_refptr<webrtc::test::Video>& reference_video,
    const rtc::scoped_refptr<webrtc::test::Video>& test_video,
    const std::vector<size_t>& test_frame_indices) { … }

std::vector<Cluster> CalculateFrameClusters(
    const std::vector<size_t>& indices) { … }

int GetMaxRepeatedFrames(const std::vector<Cluster>& clusters) { … }

int GetMaxSkippedFrames(const std::vector<Cluster>& clusters) { … }

int GetTotalNumberOfSkippedFrames(const std::vector<Cluster>& clusters) { … }

void PrintAnalysisResults(const std::string& label,
                          ResultsContainer& results,
                          MetricsLogger& logger) { … }

}  // namespace test
}  // namespace webrtc