Case study

GoPro Metadata Format Parser: mapping GPMD telemetry

GoPro Metadata Format Parser maps the GPMD telemetry stream embedded in GoPro Hero 5 MP4 recordings and provides Go readers and conversion commands. The notes describe big-endian values, four-byte alignment and labels for GPS, gyroscope, accelerometer and temperature samples.

Targets: Firmware
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-09

Stars: 255
Last commit: 2019-01-02
Language: Go
License (GitHub): BSD-2-Clause

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Use an MP4 recording containing GPMD metadata, such as a GoPro Hero 5 recording made with GPS enabled.
Prerequisites: Extract the metadata stream with ffmpeg before using the parsers.
License: BSD-2-Clause license.

Cite

BibTeX

@misc{gopro-gpmd-format-case,
  title = {{GoPro Metadata Format Parser: mapping GPMD telemetry}},
  howpublished = {\url{https://github.com/stilldavid/gopro-utils}},
  url = {https://github.com/stilldavid/gopro-utils},
  urldate = {2026-11-09},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/gopro-gpmd-format-case/}}
}

Plain text

GoPro Metadata Format Parser: mapping GPMD telemetry. https://github.com/stilldavid/gopro-utils (accessed 2026-11-09). Awesome REA entry: https://awesomerea.org/resources/gopro-gpmd-format-case/

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Primary sources

README.md GitHub · stilldavid/gopro-utils · Revision f0186d2