Converts Betaflight blackbox gyro to MP4 GoPro Meta data so it can be used with ReelSteady GO

Related tags

Video BlackboxToGPMF
Overview

Here are a bunch of scripts that I created some time ago as a proof of concept that Betaflight blackbox gyro data can be converted to GoPro Metadata Format (GPMF) and embedded into a MP4 file that is shot with non-GoPro camera.

The goal of this is that the file thus produced can be used in ReelSteady GO to achieve image stabilization (similar to GoPro HyperSmooth functionality).

There is a discussion here which gives some basic idea how the scripts can be used.

These scripts are not a finished product and if one wants to use them he'll have to dig in and modify them according to his needs.

Currently I don't plan to develop this project any further but I'm placing it here so that anyone who finds it interesting can base his own work on it.

Currently the active branch of the project is https://github.com/Cleric-K/BlackboxToGPMF/tree/gui It is entirely developed by @attilafustos

Comments
  • Failed to execute script gp.exe

    Failed to execute script gp.exe

    I tried to open gp.exe and Fatal error was detected with information: Failed to execute script gp.exe

    Could somebody help because it is what I looking for year and now I cannot try it :(

    opened by t0ffi 4
  • Optional axis flipping

    Optional axis flipping

    You may end up in the need of flipping axis values like I did on my custom rig. (not sure of the reason, however 2 out of 2 test rigs needed it) so now there is a switch for that. Actually 3 switches

    opened by kcsajtai 1
  • 24fps not working

    24fps not working

    Looks like the tool will get stuck if you use file less than 30fps. Is there a fix for this? I'd really like to use 24fps footage with this. Thanks!

    opened by noobtoob4lyfe 0
  • Shaky result with Gopro 6 profile

    Shaky result with Gopro 6 profile

    Hi ! I'm testing bb to gpmf but i have a problem :

    I got a 4K 16/9 - 60 fps footage from ma dji cam.

    • Using the Gopro 6 profile is pretty shaky (perhaps worse than original) after processing with rsgo
    • Using the Gopro 5 Session profile with the same footage re-encoded in 30fps, result is "perfect"

    I used the same offsets/angle on both processes, the same blackbox fiel, and at then end RSGo detects the right key points on both, good point. But the shaky style with Gopro 6 profile makes me think that one or several gyro axis are inverted and/or swapped each other. That results in additional noise / undesirable movement.

    => Could Gopro 6 profile give wrong information about gyro axis orientation mapping ?

    Thx for your help !

    opened by esprit-dev 0
  • MP4 ATOM is not found for some cameras

    MP4 ATOM is not found for some cameras

    @Cleric-K

    There is a known problem, some cameras produce mp4 headers than are not handled properly by the script. I tried to debug it but my mp4 knowledge is far from yours. It's been a while when I tried to debug it, but I think it was this line return struct.unpack('>I4s', buf) The SMO, InstaOne has this problem. Also people reported unsupported content exported from Premiere. If/when you have some time and want to take a look I can send you some samples.

    opened by attilafustos 16
  • Error

    Error "struct.error" when trying to use video

    Hello, i execute the script, drag the videofile (from a caddx orca) in the console and click enter and following error appears. also happens with gui version video is 2704x1520 59,95fps. A video file called ..._correctedfps.mp4 is created

    Drag the video source file here and press Enter: d:\tmp\betaflight\NORM0009.MP4 Traceback (most recent call last): File "d:/tmp/betaflight/BlackboxToGPMF-master/gp.py", line 16, in <module> numer, denom = fps.get_fps(ffps) File "d:\tmp\betaflight\BlackboxToGPMF-master\fps.py", line 6, in get_fps mp4.find_atom(f, b'moov') File "d:\tmp\betaflight\BlackboxToGPMF-master\mp4.py", line 87, in find_atom size, fourcc2 = peek_header(f) File "d:\tmp\betaflight\BlackboxToGPMF-master\mp4.py", line 76, in peek_header return struct.unpack('>I4s', buf) struct.error: unpack requires a buffer of 8 bytes

    opened by MasterTim17 0
Owner
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