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<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<title>ラジオ体操動画プレイヤー</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>
body {
display: flex;
flex-direction: column;
align-items: center;
background-color: #0a0a12;
color: #00ffcc;
font-family: "M PLUS Rounded 1c", monospace;
padding: 20px;
margin: 0;
overflow-x: hidden;
}
h1 {
color: #00aaff;
text-shadow: 0 0 5px #0066ff;
border-bottom: 1px solid #0066ff;
padding-bottom: 10px;
text-align: center;
}
.video-container {
position: relative;
max-width: 800px;
margin-bottom: 20px;
margin-top: 30px;
border: 2px solid #0066ff;
box-shadow: 0 0 15px rgba(0, 102, 255, 0.5);
background: #000;
}
video {
width: 100%;
display: block;
}
/* 字幕スタイル */
video::cue {
background-color: rgba(0, 0, 0, 0.7) !important;
color: #c7dbed !important;
font-family: "M PLUS Rounded 1c", monospace !important;
text-shadow: 1px 1px 2px #000 !important;
outline: 3px solid #0b3e8f !important;
border-radius: 10px !important;
}
/* 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;
}
.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;
}
.controls {
display: flex;
flex-direction: column;
gap: 15px;
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);
}
.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%);
}
/* 字幕設定用スタイル */
.subtitle-settings {
margin-top: 10px;
padding: 10px;
background-color: rgba(0, 20, 40, 0.5);
border: 1px solid #0066ff;
}
/* 字幕サイズ調整用のCSS変数 */
:root {
--subtitle-scale: 1;
--subtitle-border-radius: 10px;
}
video::cue {
font-size: calc(16px * var(--subtitle-scale)) !important;
line-height: 1.5 !important;
border-radius: var(--subtitle-border-radius) !important;
}
/* 全画面時の字幕サイズ調整 */
.video-container:fullscreen video::cue,
.video-container:-webkit-full-screen video::cue,
.video-container:-moz-full-screen video::cue,
.video-container:-ms-fullscreen video::cue {
font-size: calc(16px * var(--subtitle-scale) * var(--fullscreen-scale, 1)) !important;
}
body {
margin: 0;
padding: 0;
background-color: #0a192f;
height: 100vh;
width: 100vw;
}
.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;
position: absolute;
}
@keyframes ripple-animation {
0% {
width: 0;
height: 0;
opacity: 0.6;
}
100% {
width: 600px;
height: 600px;
opacity: 0;
}
}
/* 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);
}
}
@keyframes spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
/* フレームプレビュー */
.frame-preview {
position: absolute;
bottom: 30px;
transform: translateX(-50%);
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 img {
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;
}
</style>
</head>
<body>
<!-- ローディングオーバーレイ -->
<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>
<!-- フレームプレビュー -->
<div class="frame-preview" id="framePreview">
<img id="previewImage" src="">
<div class="frame-time" id="frameTime">
</div>
</div>
<!-- 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="toggleSubtitles()">字幕表示切り替え</button>
<button onclick="toggleAudioOnlyMode()">音声/字幕のみモード</button>
<button onclick="goFullscreen()">全画面表示</button>
</div>
<!-- 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>
<h1>ラジオ体操動画プレイヤー
<br>For Kushihara</h1>
<div class="controls">
<div class="control-group">
<label for="videoSelect">動画の音量：</label>
<select id="videoSelect">
<option value="v.mp4">小</option>
<option value="v-2.mp4">大(+50dB)</option>
</select>
</div>
<div class="control-group">
<label for="speedRange">再生速度：</label>
<input type="range" id="speedRange" min="0.0001" max="10" 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">
<label for="loopCheckbox">ループ再生：</label>
<input type="checkbox" id="loopCheckbox" checked>
</div>
<!-- 字幕設定セクション -->
<div class="subtitle-settings">
<div class="control-group">
<label for="subtitleToggle">字幕表示：</label>
<input type="checkbox" id="subtitleToggle" checked>
</div>
<div class="control-group">
<label for="subtitleSize">文字サイズ：</label>
<input type="range" id="subtitleSize" min="0.5" max="5" step="0.1" value="1.5">
<input type="number" id="subtitleSizeInput" min="0.01" step="0.01" value="1.5">
</div>
<div class="control-group">
<label for="subtitleTrack">字幕トラック：</label>
<select id="subtitleTrack">
<option value="v.vtt">日本語</option>
<option value="">字幕なし</option>
</select>
</div>
</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" src="v.mp4">
<track id="subtitleTrackElement" kind="subtitles" src="v.vtt" srclang="ja" label="日本語" default>
</track>
</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">
<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>
<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="subtitleBtn" title="字幕">🔤</button>
<button class="control-btn" id="fullscreenBtn">⛶</button>
</div>
</div>
</div>
</div>
<canvas id="canvas">
</canvas>
<!-- サムネイル用の非表示video要素 -->
<video id="video-for-thumbnail" src="v.mp4" preload="auto" style="display:none;">
</video>
<script>
const video = document.getElementById('videoPlayer');
const videoSelect = document.getElementById('videoSelect');
const speedRange = document.getElementById('speedRange');
const speedInput = document.getElementById('speedInput');
const volumeRange = document.getElementById('volumeRange');
const volumeInput = document.getElementById('volumeInput');
const loopCheckbox = document.getElementById('loopCheckbox');
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 subtitleBtn = document.getElementById('subtitleBtn');
const subtitleToggle = document.getElementById('subtitleToggle');
const subtitleSize = document.getElementById('subtitleSize');
const subtitleSizeInput = document.getElementById('subtitleSizeInput');
const subtitleTrack = document.getElementById('subtitleTrack');
const subtitleTrackElement = document.getElementById('subtitleTrackElement');
const videoContainer = document.querySelector('.video-container');
const framePreview = document.getElementById('framePreview');
const previewImage = document.getElementById('previewImage');
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');
// 初期設定
video.controls = false;
let isDragging = false;
let subtitlesEnabled = true;
let normalVideoWidth = videoContainer.clientWidth;
let isAudioOnlyMode = false;
let frameCache = {};
let isHoveringProgress = false;
let hoverTimeout;
let videoBlob = null;
// 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);
// 動画をBlobとしてキャッシュ
fetch(video.src)
.then(response => response.blob())
.then(blob => {
videoBlob = blob;
});
});
// 波紋エフェクトのコードは元のままなので省略...
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 = '🔊';
}
}
// 動画ソース変更時にサムネイル用動画も更新
function handleVideoChange() {
const selected = videoSelect.value;
if (selected === 'v-2.mp4') {
const confirmPlay = confirm("この動画は音量が大きいです。あらかじめ、デバイスの音量をある程度下げてください。また、音割れが起きます。再生してもよろしいですか？");
if (!confirmPlay) {
videoSelect.value = video.src.split('/').pop();
return;
}
}
video.src = selected;
VideoForThumbnail.src = selected;
video.load();
VideoForThumbnail.load();
video.play().then(() => {
playPauseBtn.textContent = '⏸';
}).catch(e => console.log(e));
}
function togglePlayPause() {
if (video.paused) {
video.play();
playPauseBtn.textContent = '⏸';
} else {
video.pause();
playPauseBtn.textContent = '▶';
}
hideContextMenu();
}
function updateProgress() {
const percent = (video.currentTime / video.duration) * 100;
progressBar.style.width = `${percent}%`;
const currentMinutes = Math.floor(video.currentTime / 60);
const currentSeconds = Math.floor(video.currentTime % 60).toString().padStart(2, '0');
const durationMinutes = Math.floor(video.duration / 60);
const durationSeconds = Math.floor(video.duration % 60).toString().padStart(2, '0');
timeDisplay.textContent = `${currentMinutes}:${currentSeconds} / ${durationMinutes}:${durationSeconds}`;
}
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;
progressContainer.addEventListener('mousemove', (e) => {
if (!videoBlob || !video.duration) return;
clearTimeout(previewTimeout);
const progressRect = progressContainer.getBoundingClientRect();
const clickX = Math.max(0, Math.min(e.clientX - progressRect.left, progressRect.width));
const previewTime = (clickX / progressRect.width) * video.duration;
// 時間表示を更新
const previewMinutes = Math.floor(previewTime / 60);
const previewSeconds = Math.floor(previewTime % 60).toString().padStart(2, '0');
frameTime.textContent = `${previewMinutes}:${previewSeconds}`;
// プレビュー位置を更新
framePreview.style.left = `${e.clientX - 80}px`; // 中央寄せ
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]) {
previewImage.src = frameCache[cacheKey];
return;
}
// フレームを取得
VideoForThumbnail.currentTime = previewTime;
VideoForThumbnail.addEventListener('seeked', function() {
canvas.width = VideoForThumbnail.videoWidth;
canvas.height = VideoForThumbnail.videoHeight;
ctx.drawImage(VideoForThumbnail, 0, 0, canvas.width, canvas.height);
const imageData = canvas.toDataURL('image/jpeg');
previewImage.src = imageData;
frameCache[cacheKey] = imageData; // キャッシュに保存
}, { once: true });
});
progressContainer.addEventListener('mouseleave', () => {
previewTimeout = setTimeout(() => {
framePreview.style.display = 'none';
}, 300);
});
framePreview.addEventListener('mouseenter', () => {
clearTimeout(previewTimeout);
});
framePreview.addEventListener('mouseleave', () => {
framePreview.style.display = 'none';
});
}
// 字幕関連の関数
function toggleSubtitles() {
subtitlesEnabled = !subtitlesEnabled;
subtitleToggle.checked = subtitlesEnabled;
subtitleTrackElement.track.mode = subtitlesEnabled ? 'showing' : 'hidden';
subtitleBtn.style.color = subtitlesEnabled ? '#00ccff' : '#666';
hideContextMenu();
}
function updateSubtitleSize(value) {
const size = parseFloat(value);
subtitleSizeInput.value = size;
subtitleSize.value = size;
// 字幕サイズを制御
document.documentElement.style.setProperty('--subtitle-scale', size);
// VTTCueのlineプロパティには数値のみを設定
const track = subtitleTrackElement.track;
if (track && track.cues) {
for (let i = 0; i < track.cues.length; i++) {
track.cues[i].line = 90;
track.cues[i].snapToLines = false;
}
}
}
function changeSubtitleTrack() {
const selectedTrack = subtitleTrack.value;
subtitleTrackElement.src = selectedTrack;
subtitleTrackElement.track.mode = selectedTrack && subtitlesEnabled ? 'showing' : 'hidden';
// トラック変更後に再度読み込み
video.textTracks[0].mode = 'hidden';
if (selectedTrack) {
video.textTracks[0].mode = subtitlesEnabled ? 'showing' : 'hidden';
}
}
function toggleSubtitleMenu() {
document.getElementById('subtitleToggle').checked ^= true;
toggleSubtitles();
}
// フレームプレビュー関連
function showFramePreview(e) {
if (!videoBlob) return;
const progressRect = progressContainer.getBoundingClientRect();
const clickX = e.clientX - progressRect.left;
const duration = video.duration;
const previewTime = (clickX / progressRect.width) * duration;
// 時間表示を更新
const previewMinutes = Math.floor(previewTime / 60);
const previewSeconds = Math.floor(previewTime % 60).toString().padStart(2, '0');
frameTime.textContent = `${previewMinutes}:${previewSeconds}`;
// プレビュー位置を更新
framePreview.style.left = `${e.clientX}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]) {
previewImage.src = frameCache[cacheKey];
return;
}
// フレームを取得
videoFrames({
url: URL.createObjectURL(videoBlob),
count: 1,
startTime: previewTime,
endTime: previewTime + 0.1
}).then((frames) => {
if (frames.length > 0) {
previewImage.src = frames[0].image;
frameCache[cacheKey] = frames[0].image; // キャッシュに保存
}
}).catch(err => {
console.error('Error getting video frame:', err);
});
}
function hideFramePreview() {
framePreview.style.display = 'none';
}
// 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
videoSelect.addEventListener('change', handleVideoChange);
['input', 'change', 'mouseup'].forEach(eventName => {
speedRange.addEventListener(eventName, () => updatePlaybackRate(speedRange.value));
volumeRange.addEventListener(eventName, () => updateVolume(volumeRange.value));
subtitleSize.addEventListener(eventName, () => updateSubtitleSize(subtitleSize.value));
});
speedInput.addEventListener('input', () => updatePlaybackRate(speedInput.value));
volumeInput.addEventListener('input', () => updateVolume(volumeInput.value));
subtitleSizeInput.addEventListener('input', () => updateSubtitleSize(subtitleSizeInput.value));
loopCheckbox.addEventListener('change', () => {
video.loop = loopCheckbox.checked;
});
subtitleToggle.addEventListener('change', toggleSubtitles);
subtitleTrack.addEventListener('change', changeSubtitleTrack);
subtitleBtn.addEventListener('click', toggleSubtitleMenu);
playPauseBtn.addEventListener('click', togglePlayPause);
video.addEventListener('click', togglePlayPause);
video.addEventListener('play', () => playPauseBtn.textContent = '⏸');
video.addEventListener('pause', () => playPauseBtn.textContent = '▶');
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 = `${e.clientX - 100}px`;
previewContainer.style.bottom = '60px';
previewContainer.style.display = 'block';
// 時間表示を更新
const minutes = Math.floor(previewTime / 60);
const seconds = Math.floor(previewTime % 60).toString().padStart(2, '0');
document.getElementById('previewTime').textContent = `${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) hideFramePreview();
}, 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', updateSubtitleScaleForFullscreen);
document.addEventListener('webkitfullscreenchange', updateSubtitleScaleForFullscreen);
document.addEventListener('mozfullscreenchange', updateSubtitleScaleForFullscreen);
document.addEventListener('MSFullscreenChange', updateSubtitleScaleForFullscreen);
// 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();
});
video.addEventListener('loadedmetadata', () => {
updatePlaybackRate(speedRange.value);
updateVolume(volumeRange.value);
updateSubtitleSize(subtitleSize.value);
video.loop = loopCheckbox.checked;
toggleSubtitles();
updateProgress();
normalVideoWidth = videoContainer.clientWidth;
});
video.addEventListener("loadeddata", async () => {
const response = await fetch(video.src);
videoBlob = await response.blob();
});
// 保存
video.addEventListener('timeupdate', () => {
localStorage.setItem('radioTaisoTime', video.currentTime);
});
// 復元
window.addEventListener('load', () => {
setupFramePreview();
setupFullscreenContextMenu();
const savedTime = parseFloat(localStorage.getItem('radioTaisoTime'));
if (!isNaN(savedTime)) {
video.currentTime = savedTime;
}
document.addEventListener('fullscreenchange', () => {
updateSubtitleScaleForFullscreen();
setupFullscreenContextMenu();
});
document.addEventListener('webkitfullscreenchange', () => {
updateSubtitleScaleForFullscreen();
setupFullscreenContextMenu();
});
document.addEventListener('mozfullscreenchange', () => {
updateSubtitleScaleForFullscreen();
setupFullscreenContextMenu();
});
document.addEventListener('MSFullscreenChange', () => {
updateSubtitleScaleForFullscreen();
setupFullscreenContextMenu();
});
});
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;
}
});
// CSS変数を設定
document.documentElement.style.setProperty('--subtitle-scale', '1');
document.documentElement.style.setProperty('--subtitle-border-radius', '10px');
document.documentElement.style.setProperty('--fullscreen-scale', '1');
</script>
</body>
</html> |