SHELL:=/bin/bash

UBUNTU_VERSION ?= 2404
CODENAME ?= noble

VERSION:=7.1

build: $(CODENAME)/cppse-ffmpeg_$(VERSION)_amd64.deb

$(CODENAME)/cppse-ffmpeg_$(VERSION)_amd64.deb:
	mkdir -p $(CODENAME)
	make ubuntu$(UBUNTU_VERSION)





ubuntu$(UBUNTU_VERSION):
	git clone -b stable https://code.videolan.org/videolan/x264 || true
	git clone -b n$(VERSION) https://github.com/FFmpeg/FFmpeg ffmpeg || true

	bash ../ubuntu$(UBUNTU_VERSION).sh make ffmpeg_impl
	make package-ubuntu$(UBUNTU_VERSION)
	bash ../ubuntu$(UBUNTU_VERSION).sh chown $$(id -u):$$(id -g) . -R  # fix permissions

ffmpeg_impl:
	# see issue https://exerror.com/fatal-detected-dubious-ownership-in-repository/
	git config --global --add safe.directory '*'

	apt-get update
	sudo apt-get install -y yasm
	sudo apt-get install -y nasm # apparently x264 switched to this

	mkdir -p x264_out
	mkdir -p ffmpeg_out

	cp -prv 5.1-0004-fix-binutils.patch ffmpeg/

	pushd x264 && \
	echo pass
	pushd x264 && \
	./configure --cxx=$$(which c++) --enable-static --enable-shared --prefix=$$(realpath $$PWD/../x264_out) && \
	make -j $$(nproc) && \
	make install

	pushd x264 && \
	./configure --cxx=$$(which c++) --enable-static --enable-shared && \
	make -j $$(nproc) && \
	make install

	pushd ffmpeg && git checkout n7.1
	pushd ffmpeg && \
	    ./configure --cxx=$$(which c++) --enable-static --enable-shared --enable-libx264 --enable-gpl --enable-swresample --disable-libdrm --prefix=$$(realpath $$PWD/../ffmpeg_out) && \
	    make -j $$(nproc) && \
	make install





package-ubuntu$(UBUNTU_VERSION):
	rm -rf out
	mkdir -p out/opt/cppse/build/x264
	mkdir -p out/opt/cppse/build/ffmpeg
	cp -prv ./x264_out/* out/opt/cppse/build/x264/
	cp -prv ./ffmpeg_out/* out/opt/cppse/build/ffmpeg/
	rm -rf $(CODENAME)/cppse-ffmpeg_*_amd64.deb
	docker run -v "$$(pwd):/src/" rayburgemeestre/fpm-ubuntu:24.04 fpm -f -v $(VERSION) --iteration $(CODENAME)  -s dir -t deb -n cppse-ffmpeg --license MPL2 --maintainer "Ray Burgemeestre <ray@cppse.nl>" --description "ffmpeg - build dependency" --url "https://gitea.cppse.nl/rayburgemeestre/build-config/src/branch/master/ffmpeg" --deb-generate-changes -C /src/out
	cp -prv cppse-ffmpeg_*_amd64.deb $(CODENAME)/

clean:
	rm -rf x264
	rm -rf ffmpeg
	rm -rf out
	rm -rf x264_out
	rm -rf ffmpeg_out

shell:
	FLAGS="-i --privileged" bash ../ubuntu$(UBUNTU_VERSION).sh /bin/bash