Journal

2 entries for Wednesday, January 24, 2024

How do I play a YouTube video in the background on my iOS?

[Start a YouTube video full-screen via Safari, then:

  1. tap the home button or swipe up to show the home screen;

  2. when playback stops, open the back ground audio controls in control center;

  3. then press Play to resume playback in background.]

How to concatenate two MP4 files using FFmpeg?

(echo file '/alfa/bravo.mp4' & echo file '/charlie/delta.mp4' ) > echo.txt
ffmpeg -f concat -safe 0 -i echo.txt -c copy foxtrot.mp4