Fix docs CI: install ffmpeg for libavutil #4

	name: Deploy Documentation

	on:
	push:
	branches:
	- main
	- master
	workflow_dispatch:

	permissions:
	contents: read
	pages: write
	id-token: write

	concurrency:
	group: "pages"
	cancel-in-progress: false

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Install system dependencies
	run: sudo apt-get update && sudo apt-get install -y ffmpeg

	- name: Install Python dependencies
	run: \|
	pip install torch --index-url https://download.pytorch.org/whl/cpu
	pip install pdoc
	pip install -e .

	- name: Build documentation
	run: pdoc nvidia_codec !nvidia_codec.core !nvidia_codec.ffmpeg -o docs

	- name: Upload artifact
	uses: actions/upload-pages-artifact@v3
	with:
	path: docs

	deploy:
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	needs: build
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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