Evolution of hls.js (gource visualization)

gource \
--path hls.js.2 \
--seconds-per-day 0.15 \
--title "hls.js" \
-1280x720 \
--file-idle-time 0 \
--auto-skip-seconds 0.75 \
--multi-sampling \
--stop-at-end \
--highlight-users \
--hide filenames,mouse,progress \
--max-files 0 \
--background-colour 000000 \
--disable-bloom \
--font-size 24 \
--output-ppm-stream - \
--output-framerate 30 \
-o - \
| ffmpeg \
-y \
-r 60 \
-f image2pipe \
-vcodec ppm \
-i - \
-vcodec libx264 \
-preset ultrafast \
-pix_fmt yuv420p \
-crf 1 \
-threads 0 \
-bf 0 \
hlsjs.mp4