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前端实现视频转gif图片
source link: https://xushanxiang.com/video2gif.html
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前端实现视频转gif图片
video→canvas（ drawImage ）→ gif.js（ addFram ）→ gif.js （ render）
ctx.drawImage(video, 0, 0, width, height);
gif.addFrame(ctx, {copy: true, delay: millisec});
it = setInterval(function(){addFrame();},millisec);
gif.render();
gif.abort();gif拓展
gif.js
JavaScript GIF编码器，运行在您的浏览器。
https://github.com/jnordberg/gif.js
libgif-js
JavaScript GIF解析器和播放器。
https://github.com/buzzfeed/libgif-js
ezgif
在线GIF优化器。
https://ezgif.com/optimize
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