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Brooke Vibber 2023-07-03 05:49:52 -07:00
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<body>
<h1>Block video encoding test</h1>
<p>
Test work for a video encoding using Atari 800-family GTIA grayscale mode on top of text cells.
This allows a "block dictionary" of 128 2x8-pixel blocks on an 80x160 grayscale image,
at cost of 1840 bytes per full frame or 800 bytes to reuse previous blocks.
</p>
<p>
Currently just converts to grayscale and counts up unique blocks.
Next step: decimate if &gt; 128 unique blocks per image, and combine
the most similar blocks in the output.
</p>
<h2>Source video</h2>
<div>
<video id="source" src="llamigos.webm" class="stretchy" muted controls playsinline></video>