[FEATURE] Add guarded ASS/SSA \pos positioning for CEA-608 captions #1647

	name: Format sourcecode
	on:
	push:
	paths:
	- '.github/workflows/format.yml'
	- 'src/**.c'
	- 'src/**.h'
	- 'src/rust/**'
	tags-ignore: # ignore push via new tag
	- '.'
	pull_request:
	types: [opened, synchronize, reopened]
	paths:
	- '.github/workflows/format.yml'
	- 'src/**.c'
	- 'src/**.h'
	- 'src/rust/**'
	jobs:
	format:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v6
	- name: Format code
	run: \|
	find src/ -type f -not -path "src/thirdparty/" -not -path "src/lib_ccx/zvbi/" -name '*.c' -not -path "src/GUI/icon_data.c" \| xargs clang-format -i
	git diff-index --quiet HEAD -- \|\| (git diff && exit 1)
	format_rust:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	workdir: ['./src/rust', './src/rust/lib_ccxr']
	defaults:
	run:
	working-directory: ${{ matrix.workdir }}
	steps:
	- uses: actions/checkout@v6
	- name: cache
	uses: actions/cache@v5
	with:
	path: \|
	${{ matrix.workdir }}/.cargo/registry
	${{ matrix.workdir }}/.cargo/git
	${{ matrix.workdir }}/target
	key: ${{ runner.os }}-cargo-${{ hashFiles('${{ matrix.workdir }}/Cargo.lock') }}
	restore-keys: ${{ runner.os }}-cargo-
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	components: rustfmt, clippy
	- name: dependencies
	run: sudo apt update && sudo apt install libtesseract-dev libavformat-dev libavdevice-dev libswscale-dev yasm
	- name: rustfmt
	run: cargo fmt --all -- --check
	- name: clippy
	run: \|
	cargo clippy -- -D warnings

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