chromium/cc/metrics/video_playback_roughness_reporter.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/metrics/video_playback_roughness_reporter.h"

#include <algorithm>

#include "base/containers/adapters.h"
#include "base/functional/callback_helpers.h"
#include "base/metrics/histogram_macros.h"
#include "base/numerics/safe_conversions.h"
#include "components/viz/common/quads/compositor_frame_metadata.h"

namespace {
constexpr int max_worst_windows_size() { … }

}  // namespace

namespace cc {

constexpr int VideoPlaybackRoughnessReporter::kMinWindowSize;
constexpr int VideoPlaybackRoughnessReporter::kMaxWindowSize;
constexpr int VideoPlaybackRoughnessReporter::kMaxWindowsBeforeSubmit;
constexpr int VideoPlaybackRoughnessReporter::kMinWindowsBeforeSubmit;
constexpr int VideoPlaybackRoughnessReporter::kPercentileToSubmit;

VideoPlaybackRoughnessReporter::VideoPlaybackRoughnessReporter(
    ReportingCallback reporting_cb)
    : … { … }

VideoPlaybackRoughnessReporter::~VideoPlaybackRoughnessReporter() = default;

double VideoPlaybackRoughnessReporter::ConsecutiveFramesWindow::roughness()
    const { … }

VideoPlaybackRoughnessReporter::FrameInfo::FrameInfo() = default;
VideoPlaybackRoughnessReporter::FrameInfo::FrameInfo(const FrameInfo&) =
    default;

void VideoPlaybackRoughnessReporter::FrameSubmitted(
    TokenType token,
    const media::VideoFrame& frame,
    base::TimeDelta render_interval) { … }

void VideoPlaybackRoughnessReporter::FramePresented(TokenType token,
                                                    base::TimeTicks timestamp,
                                                    bool reliable_timestamp) { … }

void VideoPlaybackRoughnessReporter::SubmitPlaybackRoughness() { … }

void VideoPlaybackRoughnessReporter::ReportWindow(
    const ConsecutiveFramesWindow& win) { … }

void VideoPlaybackRoughnessReporter::ProcessFrameWindow() { … }

void VideoPlaybackRoughnessReporter::Reset() { … }

}  // namespace cc