Video-Processing/index.html at main · MohammedAli158/Video-Processing · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>HLS Player</title>
    <style>
        body {
            margin: 0;
            background: #0f0f0f;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            font-family: monospace;
        }

        .player-wrapper {
            position: relative;
            width: 854px;
        }

        video {
            width: 100%;
            display: block;
            background: #000;
        }

        .quality-bar {
            display: flex;
            gap: 8px;
            padding: 10px 4px;
            align-items: center;
        }

        .quality-label {
            color: #666;
            font-size: 12px;
            margin-right: 4px;
        }

        .quality-btn {
            background: #1e1e1e;
            color: #888;
            border: 1px solid #333;
            padding: 5px 14px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 13px;
            font-family: monospace;
            transition: all 0.15s;
        }

        .quality-btn:hover {
            border-color: #555;
            color: #ccc;
        }

        .quality-btn.active {
            background: #fff;
            color: #000;
            border-color: #fff;
        }

        .quality-btn:disabled {
            opacity: 0.3;
            cursor: not-allowed;
        }
    </style>
</head>
<body>

<div class="player-wrapper">
    <video id="video" controls></video>
    <div class="quality-bar">
        <span class="quality-label">Quality:</span>
        <button class="quality-btn" data-height="480">480p</button>
        <button class="quality-btn" data-height="720">720p</button>
        <button class="quality-btn" data-height="1080">1080p</button>
    </div>
</div>

<script src="https://cdn.jsdelivr.net/npm/hls.js@latest"></script>
<script>
    const video = document.getElementById('video');
    const manifestUrl = `http://localhost:9000/js-test-bucket/videos/kHlhgmvCZB7g6udhvV7_S/master.m3u8`;
    const qualityBtns = document.querySelectorAll('.quality-btn');

    // Map height -> hls level index, populated after manifest is parsed
    const heightToLevel = {};

    function setActiveBtn(height) {
        qualityBtns.forEach(btn => {
            btn.classList.toggle('active', parseInt(btn.dataset.height) === height);
        });
    }

    function applyQuality(height) {
        const levelIndex = heightToLevel[height];
        if (levelIndex === undefined) return;
        hls.currentLevel = levelIndex; // -1 = auto, 0+ = forced
        setActiveBtn(height);
    }

    if (Hls.isSupported()) {
        const hls = new Hls();
        hls.loadSource(manifestUrl);
        hls.attachMedia(video);

        hls.on(Hls.Events.MANIFEST_PARSED, (event, data) => {
            // Build height -> level index map from available levels
            data.levels.forEach((level, index) => {
                heightToLevel[level.height] = index;
            });

            // Disable buttons for qualities not present in the manifest
            qualityBtns.forEach(btn => {
                const height = parseInt(btn.dataset.height);
                if (heightToLevel[height] === undefined) {
                    btn.disabled = true;
                }
            });

            // Default: pick highest available among 480/720/1080
            const preferred = [1080, 720, 480];
            const defaultHeight = preferred.find(h => heightToLevel[h] !== undefined);
            if (defaultHeight) applyQuality(defaultHeight);
        });

        // Keep button state in sync if hls auto-switches
        hls.on(Hls.Events.LEVEL_SWITCHED, (event, data) => {
            const level = hls.levels[data.level];
            if (level) setActiveBtn(level.height);
        });

        qualityBtns.forEach(btn => {
            btn.addEventListener('click', () => {
                applyQuality(parseInt(btn.dataset.height));
            });
        });

    } else if (video.canPlayType('application/vnd.apple.mpegurl')) {
        // Safari native HLS — quality selection not available via JS
        video.src = manifestUrl;
    }
</script>
</body>
</html>