Maciej Bliziński<p><a href="https://github.com/automaciej/roadlapse" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">github.com/automaciej/roadlapse</span><span class="invisible"></span></a></p><p>I wrote a thing. Like a <a href="https://mastodon.ie/tags/timelapse" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>timelapse</span></a> or a <a href="https://mastodon.ie/tags/hyperlapse" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hyperlapse</span></a> but for dashcam videos. It takes your .mp4 video from a dashcam (my use case) and speeds it up by 4x or 8x with a motion blur-like effect, and stabilizes it. It concatenates multiple video files automatically, since dashcam footage is often saved that way. </p><p>I first wrote a shell version and then a C version. Built and tested on Debian.</p>