aeditor

A video editor designed to aid in labeling and alphabetizing videos. Compiles on both Windows and Linux.

Requirements

• C++17 compiler (GCC, Clang)
• CMake 3.16+
• SFML 2.6+
• libVLC 3.x (development headers)
• OpenGL

Fedora

sudo dnf install gcc-c++ cmake SFML-devel vlc-devel mesa-libGL-devel

Ubuntu/Debian

sudo apt install g++ cmake libsfml-dev libvlc-dev libgl1-mesa-dev

Building

mkdir build && cd build
cmake ..
cmake --build .

Running

cd build
./aeditor

Optional Tools

Transcription (Ctrl+T) — Whisper

uv tool install openai-whisper

Forced Alignment (Ctrl+A) — Montreal Forced Aligner

Requires conda:

conda create -n aligner -c conda-forge montreal-forced-aligner
conda run -n aligner mfa model download acoustic english_us_arpa
conda run -n aligner mfa model download dictionary english_us_arpa

You can customize the conda environment name and models via environment variables:

Variable	Default	Description
MFA_ENV	aligner	Conda environment name
MFA_DICT	english_us_arpa	MFA dictionary name
MFA_MODEL	english_us_arpa	MFA acoustic model name
WHISPER_MODEL	base	Whisper model size (tiny, base, small, medium, large)

Usage

Open a video with Ctrl+O, enter the filename without extension, and click Auto-find. This loads both the video (.mkv) and its script (.csv) if one exists.

Keyboard Shortcuts

Key	Action
Space	Play / Pause
Left / Right	Seek ±5 seconds
Up / Down	Jump to previous / next line
S	Seek to specific timestamp
V	Toggle video window
L	Toggle loop on current line
C	Set current line's timestamp to playback position
\	Edit current line
Shift+\	Set current line's timestamp without opening editor
[ / ]	Adjust line timestamp ±50ms
Alt+[ / Alt+]	Adjust line timestamp ±10ms
Shift+[ / Shift+]	Adjust next line's timestamp ±50ms
Delete	Delete current line
Ctrl+O	Open file
Ctrl+S	Save CSV
Ctrl+N	New line at current timestamp
Ctrl+L	Toggle line selector
Ctrl+A	Align line (Montreal Forced Aligner)
Ctrl+T	Transcribe line (Whisper)
Ctrl+Z	Undo last delete

Gallery

No video loaded

Example video loaded

License

This software is released under the MIT License. See the LICENSE file for more information.