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cskonopka
151 lines
7.3 KiB
HTML
151 lines
7.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en-US">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<!-- Begin Jekyll SEO tag v2.8.0 -->
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<title>lsd_feedback</title>
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<meta name="generator" content="Jekyll v3.10.0" />
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<meta property="og:title" content="lsd_feedback" />
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<meta property="og:locale" content="en_US" />
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<meta name="description" content="The friendly multilateral video toolkit built for artists by artists." />
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<meta property="og:description" content="The friendly multilateral video toolkit built for artists by artists." />
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<link rel="canonical" href="http://localhost:4000/videobeaux/programs/effects/lsd_feedback.html" />
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<meta property="og:url" content="http://localhost:4000/videobeaux/programs/effects/lsd_feedback.html" />
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<meta property="twitter:title" content="lsd_feedback" />
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<script type="application/ld+json">
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{"@context":"https://schema.org","@type":"WebPage","description":"The friendly multilateral video toolkit built for artists by artists.","headline":"lsd_feedback","publisher":{"@type":"Organization","logo":{"@type":"ImageObject","url":"http://localhost:4000/videobeaux/assets/img/videobeaux.png"}},"url":"http://localhost:4000/videobeaux/programs/effects/lsd_feedback.html"}</script>
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<link rel="stylesheet" href="/videobeaux/assets/css/style.css?v=5e23701ed3967d38bab12937d79f95fae74b2a53">
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<script src="https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js"></script>
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<!-- link rel="shortcut icon" type="image/x-icon" href="/videobeaux/favicon.ico" -->
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</head>
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<body>
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<div class="wrapper">
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<header>
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<h1><a href="http://localhost:4000/videobeaux/">videobeaux</a></h1>
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<img src="/videobeaux/assets/img/videobeaux.png" alt="Logo" />
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<p>The friendly multilateral video toolkit built for artists by artists.</p>
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<p class="view"><a href="https://github.com/schwwaaa/videobeaux">View the Project on GitHub <small>schwwaaa/videobeaux</small></a></p>
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</header>
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<section>
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<h1 id="lsd_feedback">lsd_feedback</h1>
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<h2 id="description">Description</h2>
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<p>Applies a psychedelic recursive feedback effect inspired by analog video feedback loops and LSD-style visual hallucination.<br />
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The effect blends delayed frames into the live frame stream, producing spiraling trails, melting motion, neon echoes, and evolving kaleidoscopic distortions.</p>
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<h2 id="purpose">Purpose</h2>
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<p><code class="language-plaintext highlighter-rouge">lsd_feedback</code> is designed for creators who want to:</p>
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<ul>
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<li>introduce trippy, hallucinogenic motion smearing,</li>
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<li>simulate analog CRT feedback loops,</li>
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<li>create spirals, streaks, or self-replicating visual echoes,</li>
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<li>build evolving feedback tunnels reminiscent of VHS/CRT experiments,</li>
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<li>produce psychedelic or surreal video art without patching hardware feedback systems.</li>
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</ul>
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<h2 id="how-it-works">How It Works</h2>
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<ol>
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<li><strong>Frame Recursion</strong><br />
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A portion of each delayed frame is reinjected back into the live image, similar to pointing a camera at a monitor.</li>
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<li><strong>Temporal Drift</strong><br />
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Past frames influence future frames with increasing distortion as the effect accumulates.</li>
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<li><strong>Color Expansion</strong><br />
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Depending on implementation, colors may bloom or smear into neon gradients.</li>
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<li><strong>Motion Hallucination</strong><br />
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The viewer perceives warped, melting, or pulsating motion as feedback compounds over time.</li>
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<li><strong>Encoding</strong><br />
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Output is written using global Videobeaux settings (codec, pixel format, CRF).</li>
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</ol>
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<h2 id="program-template">Program Template</h2>
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<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>videobeaux <span class="nt">-P</span> lsd_feedback <span class="nt">-i</span> input.mp4 <span class="nt">-o</span> output.mp4
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</code></pre></div></div>
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<h2 id="arguments">Arguments</h2>
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<ul>
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<li><em>(No additional program-specific arguments; uses global videobeaux options only.)</em></li>
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</ul>
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<h2 id="real-world-example">Real World Example</h2>
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<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>videobeaux <span class="nt">-P</span> lsd_feedback <span class="se">\</span>
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<span class="nt">-i</span> myvideo.mp4 <span class="se">\</span>
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<span class="nt">-o</span> lsd_feedback_styled.mp4
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</code></pre></div></div>
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<h2 id="program-output">Program Output</h2>
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<video controls="" preload="metadata" style="max-width:100%; border-radius:8px; margin:1em 0;">
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<source src="https://github.com/schwwaaa/videobeaux/assets/7625379/9653929c-30ad-4c72-81c8-e3777c590783" type="video/mp4" />
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Your browser does not support the video tag.
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</video>
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<h2 id="technical-notes">Technical Notes</h2>
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<ul>
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<li>Feedback strength increases over time, making long clips more intense than short ones.</li>
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<li>Works especially well with neon lighting, strong edges, and symmetrical compositions.</li>
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<li>Compression interacts with feedback recursion — higher CRF values may create chaotic noise patterns.</li>
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<li>Because feedback accumulates, even subtle parameter changes (in underlying implementation) can produce drastically different visuals.</li>
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</ul>
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<h2 id="recommended-usage">Recommended Usage</h2>
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<ul>
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<li>Psychedelic music videos, rave visuals, and festival projections.</li>
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<li>VJ loops with evolving feedback tunnels.</li>
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<li>Experimental films exploring self-referential distortion.</li>
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<li>Visualizers for ambient, drone, or improvisational electronic music.</li>
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<li>Motion graphics sequences requiring surreal deformation.</li>
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</ul>
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<h2 id="quality-tips">Quality Tips</h2>
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<ul>
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<li>For smoother feedback gradients, use lower CRF (higher quality).</li>
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<li>For chaotic glitch spirals, render at higher CRF or degrade using <code class="language-plaintext highlighter-rouge">bad_contrast</code> afterward.</li>
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<li>Combine with <code class="language-plaintext highlighter-rouge">frame_delay_pro1</code> or <code class="language-plaintext highlighter-rouge">frame_delay_pro2</code> to produce layered temporal echoes.</li>
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<li>Pre-process with <code class="language-plaintext highlighter-rouge">convert_dims</code> to square formats (e.g., 1080×1080) for symmetrical feedback structures.</li>
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<li>Pair with <code class="language-plaintext highlighter-rouge">double_cup</code> or <code class="language-plaintext highlighter-rouge">ghostee</code> for dreamlike, syrupy hallucination trails.</li>
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</ul>
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</section>
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<footer>
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<p>This project is maintained by <a href="https://github.com/schwwaaa">schwwaaa</a></p>
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<p><small>Hosted on GitHub Pages — Theme by <a href="https://github.com/orderedlist">orderedlist</a></small></p>
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</footer>
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</div>
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<script src="/videobeaux/assets/js/scale.fix.js"></script>
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</body>
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</html>
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