[Libav-user] Help getting ffmpeg from drone

Barry Burd bburd at drew.edu
Wed Aug 6 01:31:03 EEST 2025


Claude.ai wrote code for displaying video from a Tello drone. The video 
works for a few seconds and then errors out. I don't know enough about 
video encoding to debug the program (and Claude.ai keeps getting it 
wrong). Is there any way for me to get help with this?

The error message:

Info: avformat_open_input rejected some options: Option: pixel_format, 
value: bgr24 Option: flags, value: low_delay
[h264 @ 0x7fe9b9968880] non-existing PPS 0 referenced
[h264 @ 0x7fe9b9968880] non-existing PPS 0 referenced
[h264 @ 0x7fe9b9968880] decode_slice_header error
[h264 @ 0x7fe9b9968880] no frame!

I've posted the code at 
https://drive.google.com/file/d/1ydLvKZa9cGS33Cqj_U9ZQAmHq0oMbgXT/view?usp=drive_link
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