Also unify variable format index for audio #193

	name: Linux

	on: [push, pull_request, workflow_dispatch]

	jobs:
	build:
	runs-on: ubuntu-24.04

	env:
	CC: gcc-14
	CXX: g++-14

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive

	- uses: actions/setup-python@v5
	with:
	python-version: '3.12'

	- name: Install Ubuntu packages
	run: \|
	sudo apt update
	sudo apt -y install libxxhash-dev nasm ninja-build

	- name: Install Python packages
	run: \|
	python -m pip install -U pip
	pip install -U meson

	- name: Install zimg
	run: \|
	git clone https://bitbucket.org/the-sekrit-twc/zimg.git --depth 1 --recurse-submodules --shallow-submodules
	pushd zimg
	./autogen.sh
	./configure --prefix=/usr --disable-simd
	make -j$(nproc)
	sudo make install -j$(nproc)
	popd
	rm -rf zimg

	- name: Install VapourSynth
	run: \|
	git clone https://github.com/vapoursynth/vapoursynth.git --depth 1
	pushd vapoursynth
	./autogen.sh
	./configure --prefix=/usr --disable-x86-asm --disable-vsscript --disable-vspipe --disable-python-module
	make -j$(nproc)
	sudo make install -j$(nproc)
	popd
	rm -rf vapoursynth

	- name: Install FFmpeg
	run: \|
	git clone https://git.ffmpeg.org/ffmpeg.git --depth 1
	pushd ffmpeg
	./configure --prefix=/usr --enable-gpl --enable-version3 --disable-programs --disable-doc --disable-avdevice --disable-swresample --disable-postproc --disable-avfilter --disable-encoders --disable-muxers --disable-debug
	make -j$(nproc)
	sudo make install -j$(nproc)
	popd
	rm -rf ffmpeg

	- name: Build
	run: \|
	meson setup build
	ninja -C build

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