No Indian summer this year — (Alt+0151) at least, that's my subjective impression. My swimming season started on June 1 and finished on September 22. I used to stretch it until November, but in the past few years, we haven't had a proper fall and have gone straight from summer to winter.
To sum it up:
18 × 0.5 km
51 × 2.5 km
... makes 136.5 km. That's 833.5 km since 2021. Looks like Greece next year.
Sunday, October 26, 2025
Summer of 2025 swimming
Labels:
swimming
Thursday, October 23, 2025
Using FFmpeg to add audio to your video
I have decided to add some background music to my smartphone gameplay casts, and it turns out that it's easiest to do this with ffmpeg. It's just a two-step process:
- Find out the video length.
ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 input.mp4 - Add background music with a fade-out effect (starting two seconds before the video ends, D-2 should be the video length returned by the previous command, minus two seconds).
ffmpeg -i input.mp4 -i input.mp3 -map 0:v -map 1:a -c:v copy -c:a aac -af "afade=t=out:st=D-2:d=2" -shortest output.mp4
Labels:
ffmpeg
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