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Video Analyser

Part of the analyser family.

ai-feedback cli-tool computer-vision python speech-recognition video-analysis web-application presentation-analysis edtech ffmpeg

PyPI version Python 3.11+ License: MIT

A video analysis engine that extracts signals from presentations — speech transcription, delivery metrics, scene detection, and visual analysis — as structured JSON. (Rubric grading / assessment is intentionally not here: it's assessment-aware, so it lives in a lens above the analysers, not in this signal generator.)

Migrating from --grade (≤0.9.x)? Rubric-based assessment moved to assessment-lens (pip install assessment-lens), which maps signals from this analyser (and the rest of the family) to a rubric as observations, not grades — a human assigns every mark. video-analyser 0.10.0 is signal-only.

Status: Phase 1 MVP in development. Core infrastructure complete, video processing pipeline in progress.

Features

  • Video Processing: Support for MP4, MOV, AVI, and WebM formats
  • Speech Analysis: Automatic transcription with speaking rate and filler word detection
  • Visual Analysis: Scene detection with frame captioning and quality assessment
  • Structured Signals: Every metric emitted as JSON, ready for downstream assessment tools
  • Professional Reports: Interactive HTML and structured JSON outputs

Installation

Prerequisites

  • Python 3.11 or higher
  • ffmpeg (for video processing)

Option 1: Install from PyPI (recommended for users)

pip install video-analyser

Option 2: Install from source (for development)

# Install uv (fast Python package manager)
curl -LsSf https://astral.sh/uv/install.sh | sh

# Clone the repository
git clone https://github.com/michael-borck/video-analyser.git
cd video-analyser

# Create virtual environment and install
uv venv
source .venv/bin/activate  # On Windows: .venv\Scripts\activate
uv pip install -e ".[dev]"

Installing ffmpeg

macOS:

brew install ffmpeg

Ubuntu/Debian:

sudo apt update && sudo apt install ffmpeg

Windows: Download from https://ffmpeg.org/download.html

Quick Start

# Show available commands
video-analyser --help

# Check version
video-analyser version

# Launch web interface (coming soon)
video-analyser analyze

# Analyze a specific video (CLI mode - coming soon)
video-analyser analyze video.mp4 --output ./reports

Current Status: The CLI framework is complete. Video processing features are in active development.

Development

This project uses modern Python tooling and follows strict quality standards:

  • uv for fast package management
  • ruff for formatting and linting
  • basedpyright for strict type checking
  • pytest for testing with coverage
  • pyproject.toml for all configuration (no setup.py)

Development Setup

# Clone and setup
git clone https://github.com/michael-borck/video-analyser.git
cd video-analyser
uv venv && source .venv/bin/activate
uv pip install -e ".[dev]"

# Verify setup
video-analyser --help
pytest -v

Code Quality Standards

# Format code
ruff format .

# Lint code  
ruff check .

# Type checking (strict mode)
basedpyright

# Run tests with coverage
pytest -v

# Run all quality checks
ruff format . && ruff check . && basedpyright && pytest -v

Project Structure

src/video_analyser/          # Main package
├── core/                # Video processing pipeline
├── analysis/            # Speech and visual analysis
├── reports/             # Report generation
├── interface/           # Gradio web interface
└── utils/               # Configuration and utilities

tests/                   # Test suite (mirrors src structure)
docs/                    # Documentation and specs
tasks/                   # Development task tracking
config/                  # Configuration files

Current Development Phase

  • Phase 0: Project setup, packaging, PyPI publication
  • 🚧 Phase 1: Core video processing pipeline (in progress)
  • 📋 Phase 2: Enhanced analysis features
  • 📋 Phase 3: Advanced AI features

See tasks/tasks-prd-phase1-mvp.md for detailed task tracking.

Links

License

MIT License - see LICENSE file for details.

Contributing

Contributions are welcome! Please read the development guidelines in CLAUDE.md for our coding standards and toolchain requirements.

About

Analyzes videos using computer vision and speech recognition to extract transcriptions, visual content, and AI-generated feedback for educational presentations.

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