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<!DOCTYPE html> |
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<html lang="ja"> |
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<head> |
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<meta charset="UTF-8"> |
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<meta name="viewport" content="width=device-width, initial-scale=1.0"> |
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<title>YouTube 埋め込みと関連動画表示</title> |
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<style> |
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body { |
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font-family: Arial, sans-serif; |
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background-color: #f4f4f4; |
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color: #333; |
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margin: 0; |
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padding: 0; |
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} |
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h1 { |
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text-align: center; |
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margin-top: 30px; |
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font-size: 2rem; |
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color: #444; |
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} |
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input[type="text"] { |
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width: 80%; |
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padding: 10px; |
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margin: 20px auto; |
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display: block; |
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font-size: 1rem; |
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border: 2px solid #ccc; |
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border-radius: 5px; |
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box-sizing: border-box; |
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} |
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button { |
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padding: 10px 20px; |
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font-size: 1rem; |
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background-color: #007bff; |
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color: white; |
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border: none; |
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border-radius: 5px; |
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cursor: pointer; |
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display: block; |
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margin: 10px auto; |
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transition: background-color 0.3s ease; |
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} |
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button:hover { |
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background-color: #0056b3; |
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} |
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#video-container, #mp4-container { |
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text-align: center; |
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margin-top: 30px; |
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} |
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iframe, video { |
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border-radius: 10px; |
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box-shadow: 0 0 15px rgba(0, 0, 0, 0.1); |
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width: 560px; |
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height: 315px; |
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} |
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#related-videos { |
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display: grid; |
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grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); |
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gap: 20px; |
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margin-top: 30px; |
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padding: 0 20px; |
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} |
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.related-video { |
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background-color: #fff; |
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border-radius: 10px; |
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box-shadow: 0 0 15px rgba(0, 0, 0, 0.1); |
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overflow: hidden; |
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text-align: center; |
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transition: transform 0.3s ease; |
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} |
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.related-video:hover { |
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transform: translateY(-5px); |
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} |
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.related-video img { |
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width: 100%; |
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border-bottom: 2px solid #f4f4f4; |
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} |
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.related-video h4 { |
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font-size: 1.1rem; |
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margin: 10px 0; |
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color: #007bff; |
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font-weight: normal; |
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} |
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.related-video p { |
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font-size: 0.9rem; |
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color: #555; |
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margin: 0 10px; |
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} |
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pre { |
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background-color: #2c3e50; |
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color: #ecf0f1; |
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padding: 20px; |
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border-radius: 10px; |
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white-space: pre-wrap; |
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word-wrap: break-word; |
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font-size: 0.9rem; |
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margin-top: 30px; |
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} |
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</style> |
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</head> |
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<body> |
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<h1>YouTubeのURLを入力してください</h1> |
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<input type="text" id="youtube-url" placeholder="https://www.youtube.com/watch?v= のURLを入力"> |
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<button onclick="processVideo()">処理</button> |
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<br><br> |
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<div id="video-container"></div> |
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<div id="mp4-container"></div> |
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<br> |
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<h3>関連動画:</h3> |
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<div id="related-videos"></div> |
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<br> |
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<h3>End Screenデータ（JSON）:</h3> |
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<pre id="json-data"></pre> |
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<script> |
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async function processVideo() { |
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const url = document.getElementById('youtube-url').value; |
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const regex = /https:\/\/www\.youtube\.com\/watch\?v=([a-zA-Z0-9_-]{11})/; |
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const matches = url.match(regex); |
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if (!matches || !matches[1]) { |
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alert("YouTubeのURLが正しくありません。"); |
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return; |
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} |
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const videoId = matches[1]; |
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const mp4Url = `https://inv-cl2-c.nadeko.net:8443/latest_version?itag=18&id=${videoId}`; |
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const iframeHtml = `<iframe width="560" height="315" src="https://www.youtube.com/embed/${videoId}?rel=0&modestbranding=1" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>`; |
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document.getElementById('video-container').innerHTML = iframeHtml; |
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const mp4Html = `<video controls><source src="${mp4Url}" type="video/mp4">このブラウザはMP4動画をサポートしていません。</video>`; |
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document.getElementById('mp4-container').innerHTML = mp4Html; |
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const proxyUrl = `https://corsproxy.io/?https://www.youtube.com/watch?v=${videoId}`; |
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try { |
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const response = await fetch(proxyUrl); |
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const html = await response.text(); |
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const scriptRegex = /<script nonce=".*?">(.+?)<\/script>/g; |
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let match; |
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let ytInitialData = null; |
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while ((match = scriptRegex.exec(html)) !== null) { |
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if (match[1].includes('ytInitialData')) { |
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const jsonDataMatch = match[1].match(/var ytInitialData = ({.*?});/); |
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if (jsonDataMatch && jsonDataMatch[1]) { |
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ytInitialData = JSON.parse(jsonDataMatch[1]); |
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break; |
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} |
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} |
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} |
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if (ytInitialData) { |
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const endScreenResults = ytInitialData.playerOverlays?.playerOverlayRenderer?.endScreen?.watchNextEndScreenRenderer?.results; |
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if (endScreenResults) { |
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const relatedVideosContainer = document.getElementById('related-videos'); |
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relatedVideosContainer.innerHTML = ''; |
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endScreenResults.forEach((video) => { |
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const videoId = video.endScreenVideoRenderer.videoId; |
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const thumbnailUrl = video.endScreenVideoRenderer.thumbnail.thumbnails[0].url; |
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const title = video.endScreenVideoRenderer.title.simpleText; |
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const videoHtml = ` |
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<div class="related-video"> |
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<a href="https://www.youtube.com/watch?v=${videoId}" target="_blank"> |
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<img src="${thumbnailUrl}" alt="${title}" /> |
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</a> |
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<h4>${title}</h4> |
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</div> |
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`; |
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relatedVideosContainer.innerHTML += videoHtml; |
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}); |
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document.getElementById('json-data').textContent = JSON.stringify(endScreenResults, null, 2); |
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} |
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} |
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} catch (error) { |
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alert("データの取得中にエラーが発生しました。"); |
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console.error(error); |
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} |
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} |
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</script> |
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</body> |
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</html> |
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