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What will happen if you run this command on Raspberry Pi?

medium📝 Predict Output Q5 of 15
Raspberry Pi - Camera Module
What will happen if you run this command on Raspberry Pi?
libcamera-vid -t 3000 -o video.h264
ACaptures a still image named video.h264 after 3 seconds
BFails because libcamera-vid does not support -t option
CStarts an infinite video recording until manually stopped
DRecords a 3-second video and saves it as video.h264
Step-by-Step Solution
Solution:

  1. Step 1: Identify libcamera-vid command purpose

    libcamera-vid is used to record videos on Raspberry Pi camera.

  2. Step 2: Understand the -t option for video duration

    The '-t' option specifies the recording time in milliseconds; 3000 ms equals 3 seconds.

  3. Final Answer:

    Records a 3-second video and saves it as video.h264 -> Option D

  4. Quick Check:

    libcamera-vid -t sets video duration in ms [OK]
Quick Trick: Use libcamera-vid -t for timed video recording [OK]
Common Mistakes:
MISTAKES
  • Confusing video recording with still image capture
  • Assuming -t is invalid for libcamera-vid
  • Expecting infinite recording without -t

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