113 lines
4.0 KiB
Markdown
113 lines
4.0 KiB
Markdown
# video2geoframes.py
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_🇬🇧 version_
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Python program to generate a collection of geotagged images from a video and a GPS track.
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Designed for ease contribution to street-level imagery projects like Mapillary or Panoramax.
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## Quick start
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Nothing simpler : collect your video, your GPS track, execute Python script and follow the guide !
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In detail, the program is built around a TUI or _Textual User Interface_, allowing to launch video process easily with
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step-by-step parameter input.
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Input is guided by textual help indicating expected values.
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Before script starting, you need to have :
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* a video file (export limited to 100000 frames)
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* known the exact timestamp (start) in local time or UTC
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* a clean GPS tack file covering video duration
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* a working directory.
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## Documentation
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_Coming soon._
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## Features
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Program allows in one process to execute following tasks :
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* video sampling according to a time interval
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* incremental timestamp of frame sequence
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* frames export to JPEG format
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* exported frames geotagging from GPS track.
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It also includes :
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* timelapse video support
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* frame resizing to a less resolution than original video with ratio keeping
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* metadata adding in EXIF tags `artist`, `make`, `model` et `copyright` (see [documentation ExifTool](https://exiftool.org/TagNames/EXIF.html))
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* millisecond accuracy timestamp
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* local time support with UTC offset
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* temporal offset adding for correlate video and GPS.
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### Features v1 / v2
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| Features | v1-beta | v2-alpha9 |
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|-----------------------------|----------------|------------|
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| Timelapse video support | ✔️ | ✔️ |
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| EXIF tags writing | ✔️ | ✔️ |
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| Extended tags support | ✔️ | ❌ |
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| Milliseconds support | ✔️ | ✔️ |
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| Progress displaying | 🟡 raw | ✔️ |
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| Multilingual TUI 🇺🇳 | 🟡 2 languages | ✔️ |
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| Configuration customization | ❌ | 🟡 partial |
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| JPEG quality customization | ❌ | 🔄 planned |
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| TOML process setting | ❌ | 🔄 planned |
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## Languages
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TUI is multilingual thanks to "locales" base in the form of TOML files (`locales/*.toml`) easily extensible.
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| Languages | Locale | Support | Maintainer |
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|--------------|---------|------------|--------------|
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| 🇺🇸 English | `en_us` | ✔️ 100 % | @lumathieu |
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| 🇫🇷 French | `fr_fr` | ✔️ 99 % | @lumathieu |
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| 🇮🇹 Italian | `it_it` | 🔄 planned | @lumathieu ? |
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## Versions
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See [_Releases_](https://git.luc-geo.fr/lumathieu/video2geoframes.py/releases).
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## Setup
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To set up program, be enough to clone Git repository, set up software dependencies and build Python environnement.
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Recommended to use a virtual environnement (venv).
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### Python
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Entire project is developed and tested on **Python 3.11** (Windows x86-64).
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### Dependencies
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Core script uses following Python libraries (see also `requirements.txt`) :
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- `numpy`
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- `opencv-python`
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- `piexif`
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- `tomlkit`
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- `tqdm`.
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It also uses [**ExifTool**](https://exiftool.org/) for frame geotagging.
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Call by a system command, this dependency is intended to be removed in future versions.
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## Compatibility
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Code is designed to be platform-independent.
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At time, code as been "tested" on Windows and Linux platforms (partially under Debian / Ubuntu).
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## Contribution
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_Coming soon._
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If you are interested to project contribution, you can send a mail to campanu@luc-geo.fr.
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## License
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This repository, except dependencies, is licensed under **GNU GPL v3**.
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Dependencies are included in repository for development and keep their original license
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(see `dependencies/EXTRA_LICENSES.md`).
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