opencv io_error ai_generated true

VideoWriter: failed to write frame with codec

ID: opencv/video-writer-codec

Also available as: JSON · Markdown
78%Fix Rate
82%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
4 active — — —

Root Cause

VideoWriter cant write frame with current codec settings.

generic

Workarounds

  1. 88% success Match frame size and type with VideoWriter initialization
  2. 90% success Use MJPG for widest compatibility: cv2.VideoWriter_fourcc(*"MJPG")

Dead Ends

Common approaches that don't work:

  1. Use uncompressed AVI 68% fail

    Huge file size

  2. Try random codecs 72% fail

    May not be installed