Using ffmpeg to Merge Videos

Put together our hyperlapse puzzle videos… First stab at a merge using ffmpeg time ffmpeg -safe 0 -f concat -i infiles.txt -vcodec copy -acodec copy merged.MOV full output here and used this infiles.txt , following the directions file ./2019-03-09\ 23.03.34.mov file ./2019-03-10\ 01.21.50.mov file ./2019-03-10\ 13.01.46.mov file ./2019-03-10\ 13.03.59.mov file ./2019-03-10\ 13.05.02.mov file ./2019-03-10\ 18.43.53.mov Did it do the right thing? What are my mov lengths.. $ cat fileslist.txt |xargs -t -I % sh -c 'ffmpeg -i "%" 2>&1 |grep Duration ' sh -c ffmpeg -i "....

March 16, 2019 · (updated February 26, 2023) · 4 min · 664 words · Michal Piekarczyk

Time Parser Project

This is a simple personal time tracker built with clojure, aws lambda and dynamodb, inspired by Laura Vanderkam’s “168 Hours” book

February 11, 2018 · (updated February 26, 2023) · 3 min · 461 words · Michal Piekarczyk

Some plant time lapse

Some time lapse photography.

January 7, 2018 · (updated March 18, 2023) · 1 min · 4 words · Michal Piekarczyk

Spoke too soon

Darn, I was riding for at least one to two days thinking, why am I riding much slower? Last night I finally noticed that wow my rear wheel is really wobbly and rubbing up against the breaks quite a bit lately. This morning I finally started setting up to true the wheel. I marked the spoke which looked like adjusting it would have the highest impact. And wow I didnt notice it completely sheared off....

December 1, 2017 · (updated February 26, 2023) · 1 min · 114 words · Michal Piekarczyk

Citibike Learn Project

Can your Bike Share Destination be Predicted

December 18, 2016 · (updated February 26, 2023) · 14 min · 2893 words · Michal Piekarczyk