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<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<title>動画プレイヤー</title>
<style>
body {
display: flex;
flex-direction: column;
align-items: center;
background-color: #0a0a12;
color: #00ffcc;
font-family: 'Courier New', monospace;
padding: 20px;
margin: 0;
}
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);
color: #c7dbed;
font-family: 'Courier New', monospace;
text-shadow: 1px 1px 2px #000;
outline: 1px solid #0b3e8f;
}
/* 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;
background: linear-gradient(to top, rgba(0, 20, 40, 0.9), transparent);
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;
}
.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;
font-family: 'Courier New', 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: 'Courier New', monospace;
}
button {
background-color: #001133;
color: #00ccff;
border: 1px solid #0066ff;
padding: 8px 15px;
cursor: pointer;
font-family: 'Courier New', 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;
}
/* 字幕スタイルを修正 */
video::cue {
background-color: rgba(0, 0, 0, 0.7) !important;
color: #c7dbed !important;
border-radius: 25% 10%;
font-family: 'Courier New', monospace !important;
text-shadow: 1px 1px 2px #000 !important;
outline: 3px solid #0b3e8f !important;
}
/* 字幕サイズ調整用のCSS変数 */
:root {
--subtitle-scale: 1;
}
video::cue {
font-size: calc(16px * var(--subtitle-scale)) !important;
line-height: 1.5 !important;
}
</style>
</head>
<body>
<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="20" 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="2" step="0.1" value="1">
<input type="number" id="subtitleSizeInput" min="0.5" max="2" step="0.1" value="1">
</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>
<button onclick="goFullscreen()">全画面</button>
</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>
</video>
<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>
<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');
// 初期設定
video.controls = false;
let isDragging = false;
let subtitlesEnabled = true;
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 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;
video.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 = '▶';
}
}
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);
}
}
function handleVolumeChange() {
video.muted = false;
updateVolume(volumeSlider.value);
}
function goFullscreen() {
const container = document.querySelector('.video-container');
if (container.requestFullscreen) {
container.requestFullscreen();
} else if (container.webkitRequestFullscreen) {
container.webkitRequestFullscreen();
} else if (container.msRequestFullscreen) {
container.msRequestFullscreen();
}
}
// 字幕関連の関数
function toggleSubtitles() {
subtitlesEnabled = subtitleToggle.checked;
subtitleTrackElement.track.mode = subtitlesEnabled ? 'showing' : 'hidden';
subtitleBtn.style.color = subtitlesEnabled ? '#00ccff' : '#666';
}
function updateSubtitleSize(value) {
const size = parseFloat(value);
subtitleSizeInput.value = size;
subtitleSize.value = size;
// CSS変数で字幕サイズを制御
document.documentElement.style.setProperty('--subtitle-scale', size);
// VTTCueのlineプロパティには数値のみを設定（'bottom'は無効）
const track = subtitleTrackElement.track;
if (track && track.cues) {
for (let i = 0; i < track.cues.length; i++) {
// 画面下部に表示するため、適切な数値を設定（例: 90）
track.cues[i].line = 90;
track.cues[i].snapToLines = false; // ラインスナップを無効に
}
}
}
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() {
const subtitleSettings = document.querySelector('.subtitle-settings');
subtitleSettings.style.display = subtitleSettings.style.display === 'none' ? 'block' : 'none';
}
// 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);
progressContainer.addEventListener('mousemove', (e) => isDragging && setProgress(e));
volumeBtn.addEventListener('click', toggleMute);
volumeSlider.addEventListener('input', handleVolumeChange);
fullscreenBtn.addEventListener('click', goFullscreen);
video.addEventListener('loadedmetadata', () => {
updatePlaybackRate(speedRange.value);
updateVolume(volumeRange.value);
updateSubtitleSize(subtitleSize.value);
video.loop = loopCheckbox.checked;
toggleSubtitles();
updateProgress();
});
// CSS変数を設定
document.documentElement.style.setProperty('--subtitle-scale', '1');
</script>
</body>
</html> |