CI: target use ubuntu-18.04 #3

	name: C/C++ CI

	on: [push]

	jobs:

	build:
	runs-on: ${{ matrix.os }}

	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-18.04, windows-latest, macos-latest]
	config: [Release]
	include:
	- os: ubuntu-18.04
	triplet: x64-linux-release
	upload-path: /home/runner/.cache/vcpkg/archives
	vcpkg-root: /usr/local/share/vcpkg
	extra-args: ""
	- os: windows-latest
	triplet: x64-win-llvm-static-release
	upload-path: C:\Users\runneradmin\AppData\Local\vcpkg\archives
	vcpkg-root: C:\vcpkg
	extra-args: --overlay-triplets=./triplets
	- os: macos-latest
	triplet: x64-osx-release
	upload-path: /Users/runner/.cache/vcpkg/archives
	vcpkg-root: /usr/local/share/vcpkg
	extra-args: ""

	steps:
	- uses: actions/checkout@v3

	- name: Set up build environment (macos-latest)
	run: \|
	brew install nasm
	if: matrix.os == 'macos-latest'

	- name: Set up build environment (ubuntu-18.04)
	run: \|
	sudo apt -y install nasm
	if: matrix.os == 'ubuntu-18.04'

	- name: Patch vcpkg
	run: \|
	(cd ${{ matrix.vcpkg-root }} && git fetch origin)
	(cd ${{ matrix.vcpkg-root }} && git reset --hard)
	(cd ${{ matrix.vcpkg-root }} && git checkout 217194cea7e3491c14779c763beec50b6a4575d6)
	(cd ${{ matrix.vcpkg-root }} && git apply --ignore-space-change --ignore-whitespace --3way ${{ github.workspace }}/ffmpeg.patch)

	- name: Build ffmpeg
	run: \|
	vcpkg ${{ matrix.extra-args }} install ffmpeg[avcodec,avfilter,avdevice,avformat,swresample,swscale]:${{ matrix.triplet }}

	- uses: actions/upload-artifact@v3
	with:
	name: ffmpeg-${{ matrix.os }}
	path: ${{ matrix.upload-path }}
	if: ${{ always() }}

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