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<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<title>演舞動画</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c&display=swap" rel="stylesheet">
<link rel="icon" href="icon.png" type="image/png">
<script src="https://cdn.jsdelivr.net/npm/video-frames@1/dist/videoframes.umd.min.js"></script>
<style>
/* リセットと基本設定 */
html, body {
margin: 0;
padding: 0;
width: 100%;
min-height: 100vh;
background-color: #0a192f;
color: #00ffcc;
font-family: "M PLUS Rounded 1c", monospace;
display: flex;
flex-direction: column;
align-items: center;
overflow-x: hidden;
position: relative;
}
/* 背景アニメーションコンテナ */
.wave-container {
position: fixed;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
z-index: -1;
overflow: hidden;
}
/* グリッド線 */
.grid-lines {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-image:
linear-gradient(rgba(100, 200, 255, 0.1) 1px, transparent 1px),
linear-gradient(90deg, rgba(100, 200, 255, 0.1) 1px, transparent 1px);
background-size: 50px 50px;
z-index: 1;
}
/* 波のアニメーション */
.wave {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(
to bottom,
transparent,
rgba(100, 200, 255, 0.1) 20%,
rgba(100, 200, 255, 0.3) 50%,
rgba(100, 200, 255, 0.1) 80%,
transparent
);
opacity: 0.7;
animation: waveFlow 8s linear infinite;
z-index: 2;
}
.wave:nth-child(2) {
animation-delay: -2s;
opacity: 0.5;
}
.wave:nth-child(3) {
animation-delay: -4s;
opacity: 0.3;
}
@keyframes waveFlow {
0% {
transform: translateY(-100%);
}
100% {
transform: translateY(100%);
}
}
/* テクノロジードット */
.tech-dots {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 3;
}
.tech-dot {
position: absolute;
width: 3px;
height: 3px;
background-color: rgba(100, 200, 255, 0.7);
border-radius: 50%;
animation: blink 2s infinite alternate;
}
@keyframes blink {
0% { opacity: 0.2; }
100% { opacity: 0.8; }
}
/* メインコンテンツ */
.main-content {
position: relative;
z-index: 10;
width: 100%;
max-width: 1200px;
padding: 20px;
box-sizing: border-box;
display: flex;
flex-direction: column;
align-items: center;
height: 800px;
}
/* ヘッダー */
h1 {
color: #00aaff;
text-shadow: 0 0 5px #0066ff;
border-bottom: 1px solid #0066ff;
padding-bottom: 10px;
text-align: center;
margin-top: 20px;
}
/* ビデオコンテナ */
.video-container {
position: relative;
max-width: 800px;
width: 100%;
min-height: 500px;
margin: 30px 0 20px;
border: 2px solid #0066ff;
box-shadow: 0 0 15px rgba(0, 102, 255, 0.5);
background: #000;
overflow: hidden;
display: flex;
justify-content: center;
align-items: center;
}
video {
max-width: 100%;
max-height: 100%;
width: auto;
height: auto;
object-fit: contain;
display: block;
}
/* カスタム動画コントロール */
video::-webkit-media-controls {
display: none !important;
}
.custom-controls {
position: absolute;
bottom: 0;
left: 0;
right: 0;
padding: 10px;
display: flex;
flex-direction: column;
opacity: 0;
transition: opacity 0.3s;
}
.video-container:hover .custom-controls {
opacity: 1;
}
.video-container:fullscreen,
.video-container:-webkit-full-screen,
.video-container:-moz-full-screen,
.video-container:-ms-fullscreen {
width: 100vw;
height: 100vh;
max-width: none;
margin: 0;
display: flex;
justify-content: center;
align-items: center;
background: black;
}
.video-container:fullscreen video,
.video-container:-webkit-full-screen video,
.video-container:-moz-full-screen video,
.video-container:-ms-fullscreen video {
max-width: 100vw;
max-height: 100vh;
width: auto;
height: auto;
}
.progress-container {
width: 100%;
height: 8px;
background: #001133;
margin-bottom: 10px;
cursor: pointer;
position: relative;
}
.progress-bar {
height: 100%;
background: #00aaff;
width: 0%;
position: relative;
}
.progress-bar::after {
content: '';
position: absolute;
right: -5px;
top: 50%;
transform: translateY(-50%);
width: 10px;
height: 10px;
background: #00ccff;
border-radius: 50%;
box-shadow: 0 0 5px #00ccff;
}
.buttons-container {
display: flex;
align-items: center;
justify-content: space-between;
}
.left-controls, .right-controls {
display: flex;
align-items: center;
gap: 15px;
}
.control-btn {
background: none;
border: none;
color: #00ccff;
font-size: 16px;
cursor: pointer;
transition: all 0.3s;
}
.control-btn:hover {
color: #00ffcc;
text-shadow: 0 0 5px #00ffcc;
}
.time-display {
font-size: 14px;
color: #00aaff;
box-shadow: 0.1px 0.1px 0.1px black;
font-family: "M PLUS Rounded 1c", monospace;
}
.volume-container {
display: flex;
align-items: center;
gap: 5px;
}
.volume-slider {
width: 80px;
-webkit-appearance: none;
height: 4px;
background: #001133;
outline: none;
}
.volume-slider::-webkit-slider-thumb {
-webkit-appearance: none;
width: 12px;
height: 12px;
background: #00aaff;
border-radius: 50%;
cursor: pointer;
}
/* コントロールパネル */
.controls, .new {
width: 100%;
max-width: 800px;
background-color: #0f0f1a;
padding: 20px;
border: 1px solid #0066ff;
box-shadow: 0 0 15px rgba(0, 102, 255, 0.3);
margin-bottom: 20px;
}
.control-group {
display: flex;
flex-direction: row;
align-items: center;
justify-content: flex-start;
gap: 10px;
flex-wrap: nowrap;
}
.control-group label {
white-space: nowrap;
min-width: 100px;
text-align: right;
color: #00ccff;
}
input[type="range"] {
flex-grow: 1;
-webkit-appearance: none;
height: 8px;
background: #001133;
border-radius: 5px;
outline: none;
}
input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
width: 18px;
height: 18px;
background: #00aaff;
border-radius: 50%;
cursor: pointer;
box-shadow: 0 0 5px #00aaff;
}
input[type="number"], select {
background-color: #001133;
color: #00ccff;
border: 1px solid #0066ff;
padding: 5px;
font-family: "M PLUS Rounded 1c", monospace;
}
button {
background-color: #001133;
color: #00ccff;
border: 1px solid #0066ff;
padding: 8px 15px;
cursor: pointer;
font-family: "M PLUS Rounded 1c", monospace;
transition: all 0.3s;
align-self: flex-start;
}
button:hover {
background-color: #0066ff;
color: #000;
box-shadow: 0 0 10px #0066ff;
}
select {
width: 300px;
background-color: #001133;
color: #00ccff;
border: 1px solid #0066ff;
padding: 5px;
}
input[type="checkbox"] {
-webkit-appearance: none;
width: 18px;
height: 18px;
background: #001133;
border: 1px solid #0066ff;
position: relative;
}
input[type="checkbox"]:checked {
background: #0066ff;
box-shadow: 0 0 5px #0066ff;
}
input[type="checkbox"]:checked::after {
content: "✓";
position: absolute;
color: #000;
font-size: 14px;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
/* 新しいコントロール用スタイル */
.video-type-selector {
display: flex;
gap: 20px;
margin-bottom: 15px;
}
.video-options {
display: flex;
gap: 15px;
margin-bottom: 15px;
}
.time-range-controls {
display: flex;
gap: 10px;
align-items: center;
margin-bottom: 15px;
}
.time-range-controls input[type="number"] {
width: 80px;
}
/* ローディングアニメーション */
.loading-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.8);
display: flex;
justify-content: center;
align-items: center;
z-index: 9999;
transition: opacity 1s ease-out;
}
.spinner-box {
width: 300px;
height: 300px;
display: flex;
justify-content: center;
align-items: center;
background-color: transparent;
}
/* 軌道スタイル */
.leo {
position: absolute;
display: flex;
justify-content: center;
align-items: center;
border-radius: 50%;
}
.blue-orbit {
width: 165px;
height: 165px;
border: 1px solid #91daffa5;
animation: spin3D 3s linear .2s infinite;
}
.green-orbit {
width: 120px;
height: 120px;
border: 1px solid #91ffbfa5;
animation: spin3D 2s linear 0s infinite;
}
.red-orbit {
width: 90px;
height: 90px;
border: 1px solid #ffca91a5;
animation: spin3D 1s linear 0s infinite;
}
.white-orbit {
width: 60px;
height: 60px;
border: 2px solid #ffffff;
animation: spin3D 10s linear 0s infinite;
}
.w1 {
transform: rotate3D(1, 1, 1, 90deg);
}
.w2 {
transform: rotate3D(1, 2, .5, 90deg);
}
.w3 {
transform: rotate3D(.5, 1, 2, 90deg);
}
/* キーフレームアニメーション */
@keyframes spin3D {
from {
transform: rotate3d(.5,.5,.5, 360deg);
}
to {
transform: rotate3d(0,0,0, 0deg);
}
}
/* フレームプレビュー */
.frame-preview {
position: fixed;
bottom: 30px;
width: 160px;
height: 90px;
background: #000;
border: 2px solid #00aaff;
box-shadow: 0 0 10px rgba(0, 170, 255, 0.7);
display: none;
z-index: 100;
pointer-events: none;
}
.frame-preview canvas {
width: 100%;
height: 100%;
object-fit: contain;
}
.frame-time {
position: absolute;
bottom: -25px;
left: 50%;
transform: translateX(-50%);
background: rgba(0, 0, 0, 0.8);
color: #00ccff;
padding: 3px 8px;
border-radius: 4px;
font-size: 12px;
white-space: nowrap;
}
/* 右クリックメニュー */
.context-menu {
position: fixed;
background-color: #0f0f1a;
border: 1px solid #0066ff;
box-shadow: 0 0 15px rgba(0, 102, 255, 0.5);
z-index: 1000;
display: none;
min-width: 200px;
}
.context-menu button {
width: 100%;
text-align: left;
padding: 8px 15px;
border: none;
border-bottom: 1px solid #003366;
background: none;
color: #00ccff;
font-family: "M PLUS Rounded 1c", monospace;
cursor: pointer;
}
.context-menu button:hover {
background-color: #0066ff;
color: #000;
}
/* 音声/字幕のみモード */
.audio-only-mode {
position: absolute;
top: 10px;
right: 10px;
background: rgba(0, 0, 0, 0.7);
color: #00ccff;
padding: 5px 10px;
border-radius: 4px;
font-size: 12px;
display: none;
z-index: 10;
}
.audio-only-mode.active {
display: block;
}
/* リップルエフェクト */
.ripple {
position: absolute;
border-radius: 50%;
background: transparent;
border: 1px solid rgba(100, 210, 255, 0.3);
transform: translate(-50%, -50%);
pointer-events: none;
animation: ripple-animation 4s ease-out forwards;
z-index: -1;
}
@keyframes ripple-animation {
0% {
width: 0;
height: 0;
opacity: 0.6;
}
100% {
width: 600px;
height: 600px;
opacity: 0;
}
}
/* レスポンシブ対応 */
@media (max-width: 768px) {
.video-container,
.controls,
.new {
max-width: 95%;
}
.control-group {
flex-direction: column;
align-items: flex-start;
}
.control-group label {
text-align: left;
margin-bottom: 5px;
}
select {
width: 100%;
}
.video-type-selector, .video-options, .time-range-controls {
flex-direction: column;
align-items: flex-start;
gap: 10px;
}
}
</style>
</head>
<body>
<div class="wave-container">
<div class="grid-lines">
</div>
<div class="wave">
</div>
<div class="wave">
</div>
<div class="wave">
</div>
<div class="tech-dots" id="techDots">
</div>
</div>
<script>
// ランダムな位置にテクノロジードットを配置
const techDots = document.getElementById('techDots');
const dotCount = 50;
for (let i = 0; i < dotCount; i++) {
const dot = document.createElement('div');
dot.className = 'tech-dot';
dot.style.left = `${Math.random() * 100}%`;
dot.style.top = `${Math.random() * 100}%`;
dot.style.animationDelay = `${Math.random() * 2}s`;
techDots.appendChild(dot);
}
</script>
<!-- ローディングオーバーレイ -->
<div class="main-content">
<div class="loading-overlay" id="loadingOverlay">
<div class="spinner-box">
<div class="blue-orbit leo">
</div>
<div class="green-orbit leo">
</div>
<div class="red-orbit leo">
</div>
<div class="white-orbit w1 leo">
</div>
<div class="white-orbit w2 leo">
</div>
<div class="white-orbit w3 leo">
</div>
</div>
</div>
<div id="ripple-container">
</div>
<!-- 音声/字幕のみモード表示 -->
<div class="audio-only-mode" id="audioOnlyModeIndicator">音声/字幕のみモード</div>
<div class="controls">
<h2>紹介</h2>・オフラインで使用可能です。
<br>・背景などの情報を削除した棒人間のみの「棒人間＋白背景」モード
<br>※「白背景」のみのモードはありません。
<br>カンナムスタイルでは、背景削除に失敗している部分があります。
<br>ポーズ認識：MoveNet MultiPose(カンナムスタイル)、mediapipe(槇原ドリル)
<hr>
<h3>範囲</h3>カンナムスタイルは44.5秒から？
<br>槇原ドリルは6.4秒から？
<br>
</div>
<!-- 動画タイプ選択 -->
<div class="video-type-selector">
<div>
<input type="radio" id="gangnamStyle" name="videoType" value="gangnam" checked>
<label for="gangnamStyle">カンナムスタイル</label>
</div>
<div>
<input type="radio" id="drillStyle" name="videoType" value="drill">
<label for="drillStyle">槇原ドリル</label>
</div>
<div>
<input type="radio" id="yellStyle" name="videoType" value="yell">
<label for="yellStyle">エール</label>
</div>
</div>
<div class="video-options">
<div>
<input type="checkbox" id="backOption" name="backOption" disabled>
<label for="backOption" style="color: #ccc;">背景</label>
<span style="font-size: 0.8em; color: #888;">（単体では選択不可）</span>
</div>
<div>
<input type="checkbox" id="stickOption" name="stickOption">
<label for="stickOption">棒人間</label>
</div>
<div>
<input type="checkbox" id="humanOption" name="humanOption" checked>
<label for="humanOption">人間</label>
</div>
<div>
<input type="checkbox" id="flipMode" name="flipMode">
<label for="flipMode">左右反転</label>
</div>
</div>
<!-- 再生時間範囲 -->
<div class="controls">
<div class="time-range-controls">
<label for="startTime">開始時間 (秒):</label>
<input type="number" id="startTime" min="0" value="0" step="0.1">
<label for="endTime">終了時間 (秒):</label>
<input type="number" id="endTime" min="0" value="0" step="0.1">
<input type="checkbox" id="loopMode" name="loopMode" checked>
<label for="loopMode">ループ再生</label>
</div>
<div class="control-group">
<label for="speedRange">再生速度：</label>
<input type="range" id="speedRange" min="0.0001" max="4" step="0.0001" value="1" style="width:700px !important;">
<input type="number" id="speedInput" min="0.0001" step="0.0001" value="1">
</div>
<div class="control-group">
<label for="volumeRange">音量：</label>
<input type="range" id="volumeRange" min="0" max="1" step="0.01" value="1">
<input type="number" id="volumeInput" min="0" max="1" step="0.01" value="1">
</div>
<div class="control-group">
<button onclick="goFullscreen()">全画面</button>
<button onclick="toggleAudioOnlyMode()">音声/字幕のみモード</button>
</div>
</div>
<div class="video-container">
<video id="videoPlayer">
</video>
<div class="preview-container" id="previewContainer">
<img id="preview" style="max-width: 200px; max-height: 150px;">
<div class="preview-time" id="previewTime">
</div>
</div>
<div class="custom-controls">
<!-- 右クリックメニュー -->
<div class="context-menu" id="contextMenu">
<button onclick="togglePlayPause()">再生/一時停止</button>
<button onclick="toggleMute()">ミュート切り替え</button>
<button onclick="toggleAudioOnlyMode()">音声/字幕のみモード</button>
<button onclick="goFullscreen()">全画面表示</button>
</div>
<!-- フレームプレビュー -->
<div class="frame-preview" id="framePreview">
<canvas id="canvas" crossorigin="anonymous">
<div class="frame-time" id="frameTime">
</div>
</canvas>
</div>
<div class="progress-container" id="progressContainer">
<div class="progress-bar" id="progressBar">
</div>
</div>
<div class="buttons-container">
<div class="left-controls">
<button class="control-btn" id="playPauseBtn">▶</button>
<button class="control-btn" id="resetBtn">↻</button>
<span class="time-display" id="timeDisplay">00:00 / 00:00</span>
</div>
<div class="right-controls">
<div class="volume-container">
<button class="control-btn" id="volumeBtn">🔊</button>
<input type="range" class="volume-slider" id="volumeSlider" min="0" max="1" step="0.01" value="1">
</div>
<button class="control-btn" id="fullscreenBtn">⛶</button>
</div>
</div>
</div>
</div>
<!-- サムネイル用の非表示video要素 -->
<video id="video-for-thumbnail" preload="auto" style="display:none;">
</video>
</div>
<script>
const video = document.getElementById('videoPlayer');
const speedRange = document.getElementById('speedRange');
const speedInput = document.getElementById('speedInput');
const volumeRange = document.getElementById('volumeRange');
const volumeInput = document.getElementById('volumeInput');
const playPauseBtn = document.getElementById('playPauseBtn');
const progressBar = document.getElementById('progressBar');
const progressContainer = document.getElementById('progressContainer');
const timeDisplay = document.getElementById('timeDisplay');
const volumeBtn = document.getElementById('volumeBtn');
const volumeSlider = document.getElementById('volumeSlider');
const fullscreenBtn = document.getElementById('fullscreenBtn');
const videoContainer = document.querySelector('.video-container');
const framePreview = document.getElementById('framePreview');
const frameTime = document.getElementById('frameTime');
const audioOnlyModeIndicator = document.getElementById('audioOnlyModeIndicator');
const contextMenu = document.getElementById('contextMenu');
const previewContainer = document.getElementById('previewContainer');
const preview = document.getElementById('preview');
const previewTime = document.getElementById('previewTime');
const VideoForThumbnail = document.getElementById('video-for-thumbnail');
const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');
// 新しいコントロール要素
const gangnamRadio = document.getElementById('gangnamStyle');
const drillRadio = document.getElementById('drillStyle');
const backOption = document.getElementById('backOption');
const stickOption = document.getElementById('stickOption');
const humanOption = document.getElementById('humanOption');
const flipModeCheck = document.getElementById('flipMode');
const loopModeCheck = document.getElementById('loopMode');
const startTimeInput = document.getElementById('startTime');
const endTimeInput = document.getElementById('endTime');
// 初期設定
video.controls = false;
let isDragging = false;
let isAudioOnlyMode = false;
let frameCache = {};
let isHoveringProgress = false;
let hoverTimeout;
let videoBlob = null;
let normalVideoWidth = videoContainer.clientWidth;
let lastUpdateTime = 0;
let animationFrameId = null;
function getVideoUrl() {
let videoPrefix;
if (gangnamRadio.checked) {
videoPrefix = 'k';
} else if (drillRadio.checked) {
videoPrefix = 'm';
} else {
videoPrefix = 'e'; // エール用のプレフィックス
}
const back = backOption.checked;
const stick = stickOption.checked;
const human = humanOption.checked;
let parts = [];
if (stick) parts.push('stick');
if (human) parts.push('human');
if (back && (stick || human)) parts.unshift('back');
// 何も選択されていない場合はhumanのみ
if (parts.length === 0) parts.push('human');
const fileName = parts.join('-');
return `/videos/${videoPrefix}-${fileName}.mp4`;
}
// チェックボックスの状態を制御（修正版）
function updateCheckboxStates() {
// 「背景」がオフの時、「棒人間」だけが選択されたら「人間」を強制ON
if (!backOption.checked && stickOption.checked && !humanOption.checked) {
humanOption.checked = true;
}
// 「背景」は「棒人間」または「人間」がONの時のみ選択可能
backOption.disabled = !(stickOption.checked || humanOption.checked);
if (backOption.disabled) backOption.checked = false;
}
// 動画を更新（変更なし）
function updateVideo() {
const videoElement = document.getElementById('videoPlayer');
if (videoElement) {
videoElement.src = getVideoUrl();
}
}
// 初期化（変更なし）
function initCheckboxes() {
updateCheckboxStates();
updateVideo();
}
// イベントリスナー（変更なし）
stickOption.addEventListener('change', function() {
updateCheckboxStates();
updateVideo();
});
humanOption.addEventListener('change', function() {
updateCheckboxStates();
updateVideo();
});
backOption.addEventListener('change', updateVideo);
// ページ読み込み時に初期化（変更なし）
window.addEventListener('DOMContentLoaded', initCheckboxes);
// 動画更新関数
function updateVideo() {
const url = getVideoUrl();
video.src = url;
VideoForThumbnail.src = url;
video.load();
VideoForThumbnail.load();
// 反転モード適用
if (flipModeCheck.checked) {
video.style.transform = 'scaleX(-1)';
} else {
video.style.transform = 'scaleX(1)';
}
// ループ設定
video.loop = loopModeCheck.checked;
// 動画メタデータが読み込まれたら終了時間を設定
video.addEventListener('loadedmetadata', function() {
endTimeInput.value = video.duration.toFixed(2);
updatePlaybackRate(speedRange.value);
updateVolume(volumeRange.value);
video.loop = loopModeCheck.checked;
updateProgress();
normalVideoWidth = videoContainer.clientWidth;
// 動画をBlobとしてキャッシュ
fetch(url)
.then(response => response.blob())
.then(blob => {
videoBlob = blob;
});
}, { once: true });
video.play().then(() => {
playPauseBtn.textContent = '⏸';
}).catch(e => console.log(e));
}
// 時間範囲チェック
function checkTimeRange() {
if (video.currentTime < parseFloat(startTimeInput.value)) {
video.currentTime = parseFloat(startTimeInput.value);
}
if (video.currentTime > parseFloat(endTimeInput.value) && parseFloat(endTimeInput.value) > 0) {
if (loopModeCheck.checked) {
video.currentTime = parseFloat(startTimeInput.value);
} else {
video.pause();
}
}
}
function updatePlaybackRate(value) {
const speed = parseFloat(value);
speedInput.value = speed;
speedRange.value = speed;
video.playbackRate = speed;
}
function updateVolume(value) {
const volume = parseFloat(value);
volumeInput.value = volume;
volumeRange.value = volume;
volumeSlider.value = volume;
video.volume = volume;
if (volume === 0) {
volumeBtn.textContent = '🔇';
} else if (volume < 0.5) {
volumeBtn.textContent = '🔈';
} else {
volumeBtn.textContent = '🔊';
}
}
function togglePlayPause() {
if (video.paused) {
video.play();
playPauseBtn.textContent = '⏸';
startProgressUpdate();
} else {
video.pause();
playPauseBtn.textContent = '▶';
stopProgressUpdate();
}
hideContextMenu();
}
// スムーズな進捗更新を開始
function startProgressUpdate() {
if (!animationFrameId) {
updateProgressSmooth();
}
}
// スムーズな進捗更新を停止
function stopProgressUpdate() {
if (animationFrameId) {
cancelAnimationFrame(animationFrameId);
animationFrameId = null;
}
}
// スムーズな進捗更新
function updateProgressSmooth() {
const now = performance.now();
if (now - lastUpdateTime >= 16) { // 約60fps
updateProgress();
lastUpdateTime = now;
}
animationFrameId = requestAnimationFrame(updateProgressSmooth);
}
function updateProgress() {
if (!video.duration) return;
const percent = (video.currentTime / video.duration) * 100;
progressBar.style.width = `${percent}%`;
const currentMinutes = Math.floor(video.currentTime / 60);
const currentSeconds = (video.currentTime % 60).toFixed(2).padStart(5, '0');
const durationMinutes = Math.floor(video.duration / 60);
const durationSeconds = (video.duration % 60).toFixed(2).padStart(5, '0');
timeDisplay.textContent = `${currentMinutes}:${currentSeconds} / ${durationMinutes}:${durationSeconds}`;
// 時間範囲チェック
checkTimeRange();
}
function setProgress(e) {
const width = progressContainer.clientWidth;
const clickX = e.offsetX;
const duration = video.duration;
video.currentTime = (clickX / width) * duration;
}
function toggleMute() {
video.muted = !video.muted;
if (video.muted) {
volumeBtn.textContent = '🔇';
volumeSlider.value = 0;
} else {
updateVolume(video.volume);
}
hideContextMenu();
}
function handleVolumeChange() {
video.muted = false;
updateVolume(volumeSlider.value);
}
function goFullscreen() {
if (
document.fullscreenElement ||
document.webkitFullscreenElement ||
document.msFullscreenElement
) {
// フルスクリーンを解除
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
} else if (document.msExitFullscreen) {
document.msExitFullscreen();
}
} else {
// フルスクリーンにする
if (videoContainer.requestFullscreen) {
videoContainer.requestFullscreen();
} else if (videoContainer.webkitRequestFullscreen) {
videoContainer.webkitRequestFullscreen();
} else if (videoContainer.msRequestFullscreen) {
videoContainer.msRequestFullscreen();
}
}
hideContextMenu();
}
function setupFullscreenContextMenu() {
const fullscreenElement = document.fullscreenElement ||
document.webkitFullscreenElement ||
document.msFullscreenElement;
if (fullscreenElement) {
fullscreenElement.addEventListener('contextmenu', showContextMenu);
}
}
function updateSubtitleScaleForFullscreen() {
if (document.fullscreenElement || document.webkitFullscreenElement ||
document.mozFullScreenElement || document.msFullscreenElement) {
// 全画面モード
const fullscreenWidth = window.innerWidth;
const scaleFactor = fullscreenWidth / normalVideoWidth;
document.documentElement.style.setProperty('--fullscreen-scale', scaleFactor);
// 全画面要素にイベントリスナーを追加
const fsElement = document.fullscreenElement || document.webkitFullscreenElement ||
document.mozFullScreenElement || document.msFullscreenElement;
fsElement.addEventListener('contextmenu', showContextMenu);
} else {
// 通常モード
document.documentElement.style.setProperty('--fullscreen-scale', 1);
}
}
function setupFramePreview() {
let previewTimeout;
let isSeeking = false;
// VideoForThumbnailのseekedイベントリスナーを一度だけ設定
VideoForThumbnail.addEventListener('seeked', function() {
if (!isSeeking) return;
canvas.width = VideoForThumbnail.videoWidth;
canvas.height = VideoForThumbnail.videoHeight;
ctx.drawImage(VideoForThumbnail, 0, 0, canvas.width, canvas.height);
const previewTime = VideoForThumbnail.currentTime;
const cacheKey = Math.floor(previewTime);
frameCache[cacheKey] = canvas.toDataURL('image/jpeg');
isSeeking = false;
});
progressContainer.addEventListener('mousemove', (e) => {
if (!videoBlob || !video.duration) return;
clearTimeout(previewTimeout);
// 全画面モードかどうかを判定
const isFullscreen = document.fullscreenElement ||
document.webkitFullscreenElement ||
document.msFullscreenElement;
// プログレスバーの位置とサイズを取得
const progressRect = progressContainer.getBoundingClientRect();
// マウス座標を正しく計算（全画面モードに対応）
let clickX;
if (isFullscreen) {
// 全画面モードではe.offsetXが正しくない場合があるので、clientXを使用
clickX = e.clientX - progressRect.left;
} else {
clickX = e.offsetX;
}
// クリック位置をプログレスバーの範囲内に制限
clickX = Math.max(0, Math.min(clickX, progressRect.width));
const previewTime = (clickX / progressRect.width) * video.duration;
// 時間表示を更新
const previewMinutes = Math.floor(previewTime / 60);
const previewSeconds = (previewTime % 60).toFixed(2).padStart(5, '0');
frameTime.textContent = `${previewMinutes}:${previewSeconds}`;
// プレビュー位置を更新（全画面モードに合わせて調整）
const previewLeft = isFullscreen ?
(e.clientX - framePreview.offsetWidth / 2) :
(progressRect.left + clickX - framePreview.offsetWidth / 2);
framePreview.style.left = `${previewLeft}px`;
framePreview.style.top = isFullscreen ?
`${progressRect.top - framePreview.offsetHeight - 10}px` :
`${progressRect.top - framePreview.offsetHeight - 10}px`;
framePreview.style.display = 'block';
// キャッシュがあればそれを使う
const cacheKey = Math.floor(previewTime);
if (frameCache[cacheKey]) {
canvas.width = framePreview.offsetWidth;
canvas.height = framePreview.offsetHeight;
const img = new Image();
img.src = frameCache[cacheKey];
img.onload = function() {
ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
};
return;
}
// フレームを取得
if (!isSeeking) {
isSeeking = true;
VideoForThumbnail.currentTime = previewTime;
}
});
progressContainer.addEventListener('mouseleave', () => {
previewTimeout = setTimeout(() => {
framePreview.style.display = 'none';
}, 300);
});
framePreview.addEventListener('mouseenter', () => {
clearTimeout(previewTimeout);
});
framePreview.addEventListener('mouseleave', () => {
framePreview.style.display = 'none';
});
}
// リセットボタンの機能
const resetBtn = document.getElementById('resetBtn');
resetBtn.addEventListener('click', function() {
video.currentTime = parseFloat(startTimeInput.value);
if (video.paused) {
video.play();
playPauseBtn.textContent = '⏸';
startProgressUpdate();
}
hideContextMenu();
});
// 右クリックメニュー関連
function showContextMenu(e) {
e.preventDefault();
contextMenu.style.display = 'block';
contextMenu.style.left = `${e.clientX}px`;
contextMenu.style.top = `${e.clientY}px`;
}
function hideContextMenu() {
contextMenu.style.display = 'none';
}
// 音声/字幕のみモード
function toggleAudioOnlyMode() {
isAudioOnlyMode = !isAudioOnlyMode;
if (isAudioOnlyMode) {
video.style.opacity = '0';
audioOnlyModeIndicator.classList.add('active');
} else {
video.style.opacity = '1';
audioOnlyModeIndicator.classList.remove('active');
}
hideContextMenu();
}
// イベントリスナー
[gangnamRadio, drillRadio, flipModeCheck, loopModeCheck].forEach(el => {
el.addEventListener('change', updateVideo);
});
startTimeInput.addEventListener('change', function() {
if (video.currentTime < parseFloat(startTimeInput.value)) {
video.currentTime = parseFloat(startTimeInput.value);
}
});
endTimeInput.addEventListener('change', function() {
if (video.currentTime > parseFloat(endTimeInput.value)) {
video.currentTime = parseFloat(endTimeInput.value);
}
});
['input', 'change', 'mouseup'].forEach(eventName => {
speedRange.addEventListener(eventName, () => updatePlaybackRate(speedRange.value));
volumeRange.addEventListener(eventName, () => updateVolume(volumeRange.value));
});
speedInput.addEventListener('input', () => updatePlaybackRate(speedInput.value));
volumeInput.addEventListener('input', () => updateVolume(volumeInput.value));
playPauseBtn.addEventListener('click', togglePlayPause);
video.addEventListener('click', togglePlayPause);
video.addEventListener('play', () => {
playPauseBtn.textContent = '⏸';
startProgressUpdate();
});
video.addEventListener('pause', () => {
playPauseBtn.textContent = '▶';
stopProgressUpdate();
});
video.addEventListener('timeupdate', updateProgress);
progressContainer.addEventListener('click', setProgress);
progressContainer.addEventListener('mousedown', () => isDragging = true);
document.addEventListener('mouseup', () => isDragging = false);
// マウスホバー時のプレビュー表示
progressContainer.addEventListener('mousemove', function(e) {
if (isDragging) {
const width = progressContainer.clientWidth;
const clickX = e.offsetX;
const duration = video.duration;
const previewTime = (clickX / width) * duration;
// プレビュー位置を更新
previewContainer.style.left = `${e.clientX - 100}px`;
previewContainer.style.bottom = '60px';
previewContainer.style.display = 'block';
// 時間表示を更新
const minutes = Math.floor(previewTime / 60);
const seconds = Math.floor(previewTime % 60).toString().padStart(2, '0');
previewTime.textContent = `${minutes}:${seconds}`;
// サムネイル画像を更新
updateThumbnail(previewTime);
} else {
previewContainer.style.display = 'none';
}
});
// サムネイル画像更新関数
function updateThumbnail(time) {
VideoForThumbnail.currentTime = time;
VideoForThumbnail.addEventListener('seeked', function() {
canvas.width = VideoForThumbnail.videoWidth;
canvas.height = VideoForThumbnail.videoHeight;
ctx.drawImage(VideoForThumbnail, 0, 0, canvas.width, canvas.height);
preview.src = canvas.toDataURL('image/jpeg');
}, { once: true });
}
// プログレスバーのホバーイベント
progressContainer.addEventListener('mouseenter', () => {
isHoveringProgress = true;
clearTimeout(hoverTimeout);
});
progressContainer.addEventListener('mouseleave', () => {
isHoveringProgress = false;
hoverTimeout = setTimeout(() => {
if (!isDragging) framePreview.style.display = 'none';
}, 300);
});
volumeBtn.addEventListener('click', toggleMute);
volumeSlider.addEventListener('input', handleVolumeChange);
fullscreenBtn.addEventListener('click', goFullscreen);
// 全画面変更イベントを監視
document.addEventListener('fullscreenchange', handleFullscreenChange);
document.addEventListener('webkitfullscreenchange', handleFullscreenChange);
document.addEventListener('mozfullscreenchange', handleFullscreenChange);
document.addEventListener('MSFullscreenChange', handleFullscreenChange);
// 右クリックメニューイベント
videoContainer.addEventListener('contextmenu', showContextMenu);
document.addEventListener('click', hideContextMenu);
document.addEventListener('keydown', (e) => {
if (e.key === 'Escape') hideContextMenu();
});
// キーボードショートカット
document.addEventListener('keydown', (e) => {
if (e.target.tagName === 'INPUT') return; // 入力中は無視
switch (e.key.toLowerCase()) {
case ' ': e.preventDefault(); togglePlayPause(); break;
case 'f': goFullscreen(); break;
case 'm': toggleMute(); break;
case 'arrowright': video.currentTime += 5; break;
case 'arrowleft': video.currentTime -= 5; break;
}
});
function handleFullscreenChange() {
if (document.fullscreenElement ||
document.webkitFullscreenElement ||
document.mozFullScreenElement ||
document.msFullscreenElement) {
// 全画面モード時
const videoRatio = video.videoWidth / video.videoHeight;
const screenRatio = window.innerWidth / window.innerHeight;
if (screenRatio > videoRatio) {
// 画面が横長なら高さに合わせる
video.style.width = 'auto';
video.style.height = '100%';
} else {
// 画面が縦長なら幅に合わせる
video.style.width = '100%';
video.style.height = 'auto';
}
} else {
// 通常モード時
video.style.width = '100%';
video.style.height = 'auto';
}
setupFramePreview();
normalVideoWidth = videoContainer.clientWidth;
}
// 初期化
updateVideo();
// ローディングアニメーションをフェードアウト
window.addEventListener('load', function() {
setTimeout(function() {
const loadingOverlay = document.getElementById('loadingOverlay');
loadingOverlay.style.opacity = '0';
setTimeout(function() {
loadingOverlay.style.display = 'none';
}, 1000);
}, 1500);
});
// CSS変数を設定
document.documentElement.style.setProperty('--fullscreen-scale', '1');
window.addEventListener('resize', function() {
if (document.fullscreenElement ||
document.webkitFullscreenElement ||
document.mozFullScreenElement ||
document.msFullscreenElement) {
handleFullscreenChange();
}
});
// フレームプレビューを初期化
setupFramePreview();
setupFullscreenContextMenu();
// Service Worker 登録
if ('serviceWorker' in navigator) {
window.addEventListener('load', () => {
navigator.serviceWorker.register('/sw.js', {
updateViaCache: 'none' // 常にネットワークから取得
}).then(registration => {
console.log('ServiceWorker registration successful');
// 更新をチェック
registration.update().then(() => {
console.log('ServiceWorker update checked');
}).catch(error => {
alert('ServiceWorker update check failed:', error);
});
// 新しいService Workerが利用可能になったらリロード
registration.addEventListener('updatefound', () => {
const newWorker = registration.installing;
newWorker.addEventListener('statechange', () => {
if (newWorker.state === 'installed' && navigator.serviceWorker.controller) {
window.location.reload();
}
});
});
}).catch(error => {
alert('ServiceWorker registration failed:', error);
});
});
}
// ローカルストレージキー
const STORAGE_KEY = 'danceVideoSettings';
function loadSettings() {
const savedSettings = localStorage.getItem(STORAGE_KEY);
if (savedSettings) {
return JSON.parse(savedSettings);
}
return {
gangnam: { startTime: 0, endTime: 0 },
drill: { startTime: 0, endTime: 0 },
yell: { startTime: 0, endTime: 0 } // エール用設定を追加
};
}
function getCurrentVideoType() {
if (gangnamRadio.checked) return 'gangnam';
if (drillRadio.checked) return 'drill';
return 'yell'; // エールを追加
}
// 設定をローカルストレージに保存
function saveSettings(settings) {
localStorage.setItem(STORAGE_KEY, JSON.stringify(settings));
}
// 現在の動画タイプを取得
function getCurrentVideoType() {
return gangnamRadio.checked ? 'gangnam' : 'drill';
}
// 動画タイプが変更された時の処理
function handleVideoTypeChange() {
const currentType = getCurrentVideoType();
const settings = loadSettings();
// 現在の時間設定を保存
const otherType = currentType === 'gangnam' ? 'drill' : 'gangnam';
settings[otherType].startTime = parseFloat(startTimeInput.value);
settings[otherType].endTime = parseFloat(endTimeInput.value);
saveSettings(settings);
// 新しい動画タイプの設定を読み込み
updateTimeInputsForVideoType(currentType);
}
// 動画タイプに応じて時間入力欄を更新
function updateTimeInputsForVideoType(videoType) {
const settings = loadSettings();
const videoSettings = settings[videoType];
// 動画が読み込まれるまで待機
const checkLoaded = setInterval(() => {
if (video.duration > 0) {
clearInterval(checkLoaded);
// 保存された設定があればそれを使い、なければ0から動画の長さまで
startTimeInput.value = videoSettings.startTime || 0;
endTimeInput.value = videoSettings.endTime || video.duration.toFixed(2);
// 動画の現在位置を開始時間に設定
video.currentTime = parseFloat(startTimeInput.value);
}
}, 100);
}
// 時間設定が変更された時の処理
function handleTimeChange() {
const currentType = getCurrentVideoType();
const settings = loadSettings();
settings[currentType].startTime = parseFloat(startTimeInput.value);
settings[currentType].endTime = parseFloat(endTimeInput.value);
saveSettings(settings);
}
// 動画タイプ変更時のイベントリスナー
gangnamRadio.addEventListener('change', handleVideoTypeChange);
drillRadio.addEventListener('change', handleVideoTypeChange);
// エールのラジオボタンにもイベントリスナーを追加
document.getElementById('yellStyle').addEventListener('change', handleVideoTypeChange);
// 時間入力変更時のイベントリスナー
startTimeInput.addEventListener('change', handleTimeChange);
endTimeInput.addEventListener('change', handleTimeChange);
// 動画メタデータ読み込み時の処理を更新
video.addEventListener('loadedmetadata', function() {
const currentType = getCurrentVideoType();
const settings = loadSettings();
// 保存された設定があればそれを使い、なければ0から動画の長さまで
startTimeInput.value = settings[currentType].startTime || 0;
endTimeInput.value = settings[currentType].endTime || video.duration.toFixed(2);
updatePlaybackRate(speedRange.value);
updateVolume(volumeRange.value);
video.loop = loopModeCheck.checked;
updateProgress();
normalVideoWidth = videoContainer.clientWidth;
// 動画をBlobとしてキャッシュ
fetch(getVideoUrl())
.then(response => response.blob())
.then(blob => {
videoBlob = blob;
});
}, { once: true });
function init() {
updateCheckboxStates();
// 動画タイプ変更イベントリスナーを設定
gangnamRadio.addEventListener('change', function() {
handleVideoTypeChange();
updateVideo();
});
drillRadio.addEventListener('change', function() {
handleVideoTypeChange();
updateVideo();
});
document.getElementById('yellStyle').addEventListener('change', function() {
handleVideoTypeChange();
updateVideo();
});
// 初期設定を読み込み
const currentType = getCurrentVideoType();
updateTimeInputsForVideoType(currentType);
// 動画を更新
updateVideo();
}
// ページ読み込み時に初期化
window.addEventListener('DOMContentLoaded', init);
</script>
</body>
</html> |