233 lines
8.1 KiB
HTML
233 lines
8.1 KiB
HTML
<!doctype html>
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<html lang="en">
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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>MPR - Architecture</title>
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<link rel="stylesheet" href="architecture/styles.css" />
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</head>
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<body>
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<h1>MPR - Media Processor</h1>
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<p>
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A web-based media transcoding tool with professional architecture.
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</p>
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<nav>
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<a href="#overview">System Overview</a>
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<a href="#data-model">Data Model</a>
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<a href="#job-flow">Job Flow</a>
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<a href="#media-storage">Media Storage</a>
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</nav>
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<h2 id="overview">System Overview</h2>
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<div class="diagram-container">
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<div class="diagram">
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<h3>Architecture</h3>
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<object
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type="image/svg+xml"
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data="architecture/01-system-overview.svg"
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>
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<img
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src="architecture/01-system-overview.svg"
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alt="System Overview"
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/>
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</object>
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<a href="architecture/01-system-overview.svg" target="_blank"
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>Open full size</a
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>
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</div>
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</div>
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<div class="legend">
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<h3>Components</h3>
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<ul>
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<li>
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<span class="color-box" style="background: #e8f4f8"></span>
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Reverse Proxy (nginx)
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</li>
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<li>
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<span class="color-box" style="background: #f0f8e8"></span>
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Application Layer (Django, FastAPI, UI)
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</li>
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<li>
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<span class="color-box" style="background: #fff8e8"></span>
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Worker Layer (Celery, Lambda)
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</li>
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<li>
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<span class="color-box" style="background: #f8e8f0"></span>
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Data Layer (PostgreSQL, Redis, SQS)
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</li>
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<li>
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<span class="color-box" style="background: #f0f0f0"></span>
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Storage (Local FS, S3)
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</li>
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</ul>
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</div>
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<h2 id="data-model">Data Model</h2>
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<div class="diagram-container">
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<div class="diagram">
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<h3>Entity Relationships</h3>
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<object
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type="image/svg+xml"
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data="architecture/02-data-model.svg"
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>
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<img
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src="architecture/02-data-model.svg"
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alt="Data Model"
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/>
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</object>
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<a href="architecture/02-data-model.svg" target="_blank"
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>Open full size</a
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>
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</div>
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</div>
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<div class="legend">
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<h3>Entities</h3>
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<ul>
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<li>
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<span class="color-box" style="background: #4a90d9"></span>
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MediaAsset - Video/audio files with metadata
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</li>
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<li>
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<span class="color-box" style="background: #50b050"></span>
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TranscodePreset - Encoding configurations
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</li>
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<li>
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<span class="color-box" style="background: #d9534f"></span>
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TranscodeJob - Processing queue items
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</li>
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</ul>
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</div>
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<h2 id="job-flow">Job Flow</h2>
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<div class="diagram-container">
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<div class="diagram">
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<h3>Job Lifecycle</h3>
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<object
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type="image/svg+xml"
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data="architecture/03-job-flow.svg"
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>
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<img src="architecture/03-job-flow.svg" alt="Job Flow" />
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</object>
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<a href="architecture/03-job-flow.svg" target="_blank"
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>Open full size</a
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>
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</div>
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</div>
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<div class="legend">
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<h3>Job States</h3>
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<ul>
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<li>
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<span class="color-box" style="background: #ffc107"></span>
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PENDING - Waiting in queue
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</li>
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<li>
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<span class="color-box" style="background: #17a2b8"></span>
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PROCESSING - Worker executing
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</li>
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<li>
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<span class="color-box" style="background: #28a745"></span>
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COMPLETED - Success
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</li>
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<li>
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<span class="color-box" style="background: #dc3545"></span>
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FAILED - Error occurred
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</li>
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<li>
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<span class="color-box" style="background: #6c757d"></span>
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CANCELLED - User cancelled
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</li>
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</ul>
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</div>
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<h2 id="media-storage">Media Storage</h2>
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<div class="diagram-container">
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<p>
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MPR separates media into <strong>input</strong> and
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<strong>output</strong> paths, each independently configurable.
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File paths are stored
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<strong>relative to their respective root</strong> to ensure
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portability between local development and cloud deployments (AWS
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S3, etc.).
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</p>
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</div>
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<div class="legend">
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<h3>Input / Output Separation</h3>
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<ul>
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<li>
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<span class="color-box" style="background: #4a90d9"></span>
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<code>MEDIA_IN</code> - Source media files to process
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</li>
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<li>
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<span class="color-box" style="background: #50b050"></span>
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<code>MEDIA_OUT</code> - Transcoded/trimmed output files
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</li>
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</ul>
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<p><strong>Why Relative Paths?</strong></p>
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<ul>
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<li>Portability: Same database works locally and in cloud</li>
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<li>Flexibility: Easy to switch between storage backends</li>
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<li>Simplicity: No need to update paths when migrating</li>
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</ul>
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</div>
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<div class="legend">
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<h3>Local Development</h3>
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<pre><code>MEDIA_IN=/app/media/in
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MEDIA_OUT=/app/media/out
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/app/media/
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├── in/ # Source files
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│ ├── video1.mp4
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│ └── subfolder/video3.mp4
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└── out/ # Transcoded output
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└── video1_h264.mp4</code></pre>
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</div>
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<div class="legend">
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<h3>AWS/Cloud Deployment</h3>
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<pre><code>MEDIA_IN=s3://source-bucket/media/
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MEDIA_OUT=s3://output-bucket/transcoded/
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MEDIA_BASE_URL=https://source-bucket.s3.amazonaws.com/media/</code></pre>
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<p>
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Database paths remain unchanged (already relative). Just upload
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files to S3 and update environment variables.
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</p>
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</div>
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<div class="legend">
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<h3>API Endpoints</h3>
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<ul>
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<li>
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<code>POST /api/assets/scan</code> - Recursively scans
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MEDIA_IN and registers video/audio files
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</li>
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<li>
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<code>POST /api/jobs/</code> - Creates transcoding job with
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source asset, preset, and optional trim times
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</li>
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</ul>
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<p><strong>Supported File Types:</strong></p>
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<p>
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Video: mp4, mkv, avi, mov, webm, flv, wmv, m4v<br />
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Audio: mp3, wav, flac, aac, ogg, m4a
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</p>
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</div>
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<h2>Quick Reference</h2>
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<h2>Access Points</h2>
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<pre><code># Add to /etc/hosts
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127.0.0.1 mpr.local.ar
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# URLs
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http://mpr.local.ar/admin - Django Admin
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http://mpr.local.ar/api - FastAPI (docs at /api/docs)
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http://mpr.local.ar/ui - Timeline UI</code></pre>
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</body>
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</html>
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