add ffprobe check and proper environment variables #30

	name: CI
	# thanks for @mpariente for copying this workflow
	# see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
	# Trigger the workflow on push or pull request
	on: [push, pull_request]

	jobs:
	src-test:
	name: conda-tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	ffmpeg-version: ["3.2.4", "3.4", "4.0.2", "4.1", "4.2", "4.3"]

	# Timeout: https://stackoverflow.com/a/59076067/4521646
	timeout-minutes: 10
	defaults:
	run:
	shell: bash -l {0}
	steps:
	- uses: actions/checkout@v2
	- name: Setup Miniconda
	uses: conda-incubator/setup-miniconda@v2
	with:
	activate-environment: stempeg
	auto-update-conda: true
	auto-activate-base: false
	python-version: 3.7
	- name: Install dependencies FFMPEG ${{ matrix.ffmpeg-version }}
	env:
	FFMPEG_INSTALL: ${{ matrix.pytorch-version }}
	run: \|
	sudo apt-get -y install gpac
	conda install -c conda-forge ffmpeg==${{ matrix.ffmpeg-version }}
	python -m pip install -e .['tests']
	python --version
	pip --version
	python -m pip list
	- name: Conda list
	run: conda list
	- name: Run tests
	run: \|
	py.test tests -v

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