recap-capture 0.4.0

Headless screen and audio capture library and CLI for Windows

recap

Headless screen and audio capture library and CLI for Windows.

Features

• Record an entire monitor via Windows Graphics Capture (WGC)
• Record a single window via WGC (real window capture, not desktop crop)
• Record system audio via WASAPI loopback
• Video-only, audio-only, or audio+video modes
• CLI tool (recap) and importable Python library
• Uses FFmpeg for encoding/muxing only

Installation

pip install -e .

FFmpeg must be available on PATH or specified via --ffmpeg.

Releasing

GitHub Actions will publish the package to PyPI when you push a tag that starts with v, for example v0.1.1.

Before the first release, configure PyPI Trusted Publishing for this repository and approve the pypi environment in GitHub.

CLI Usage

# Check environment
recap doctor

# List available capture targets
recap monitors
recap windows
recap devices

# Record primary monitor with audio
recap record --output recording.mp4

# Record a specific window
recap record --window-title "Notepad" --output notepad.mp4

# Record video only
recap record --video-only --output silent.mp4

# Record a 1280x720 crop from the top-left of the selected source
recap record --crop-size 1280x720 --crop-position top-left --output cropped.mp4

# Record a centered 1280x720 crop from a specific window
recap record --window-title "Notepad" --crop-size 1280x720 --crop-position middle --output notepad-cropped.mp4

# Record audio only
recap record --audio-only --output audio.wav

# Record for 30 seconds
recap record --duration 30 --output clip.mp4

Crop positions

--crop-position supports:

• top-left, top-middle, top-right
• middle-left, middle, middle-right
• bottom-left, bottom-middle, bottom-right

Center aliases are also accepted (center, top-center, middle-center, etc.).

Library Usage

from recap import Recorder, RecordingConfig

config = RecordingConfig(output="recording.mp4")
recorder = Recorder(config)
recorder.start()
# ... do work ...
recorder.stop()
recorder.wait()

License

MIT