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Merge pull request #286 from amiaopensource/life

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adds game of life to test files
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Ashley 2017-12-04 14:31:08 -05:00 committed by GitHub
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@ -1894,6 +1894,31 @@
</div>
<!-- ends Broken File -->
<!-- Game of Life -->
<label class="recipe" for="game_of_life">Conway's Game of Life</label>
<input type="checkbox" id="game_of_life">
<div class="hiding">
<h3>Conway's Game of Life</h3>
<p>Simulates <a href="https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life">Conway's Game of Life</a></p>
<p><code>ffplay -f lavfi life=s=300x200:mold=10:r=60:ratio=0.1:death_color=#C83232:life_color=#00ff00,scale=1200:800</code></p>
<dl>
<dt>ffplay</dt><dd>starts the command</dd>
<dt>-f lavfi</dt><dd>tells ffplay to use the <a href="http://ffmpeg.org/ffmpeg-devices.html#lavfi" target="_blank">Libavfilter</a> input virtual device</dd>
<dt>life=s=300x200</dt><dd>use the life filter and set the size of the video to 300x200</dd>
<dt>:</dt><dd>indicates there’s another parameter coming</dd>
<dt>mold=10:r=60:ratio=0.1</dt><dd>sets up the rules of the game: cell mold speed, video rate, and random fill ratio</dd>
<dt>:</dt><dd>indicates there’s another parameter coming</dd>
<dt>death_color=#C83232:life_color=#00ff00</dt><dd>specifies color for cell death and cell life; mold_color can also be set</dd>
<dt>,</dt><dd>comma signifies closing of video source assertion and ready for filter assertion</dd>
<dt>scale=1200:800</dt><dd>scale to 1280 width and 800 height</dd>
</dl>
<img src="img/life.gif" alt="GIF of above command">
<p>To save a portion of the stream instead of playing it back infinitely, use the following command:</p>
<p><code>ffmpeg -f lavfi -i life=s=300x200:mold=10:r=60:ratio=0.1:death_color=#C83232:life_color=#00ff00,scale=1200:800 -t 5 <i>output_file</i></code></p>
<p class="link"></p>
</div>
<!-- ends Game of Life -->
</div>
<div class="well">
<h2 id="ocr">Use OCR</h2>