NAME="openh264"
VERSION=2.3.1
RELEASE=1
CATEGORY="Video"
SUMMARY="H.264 codec library (headers only)"
DESCRIPTION="OpenH264 is a codec library which supports H.264 encoding and decoding. It is suitable for use in real time applications such as WebRTC. This package has only headers. If you need library binary itself, you can download it from https://github.com/cisco/openh264/."
HOMEPAGE="https://www.openh264.org/"
LICENSE="BSD-2-Clause"
ARCH="noarch" # This is noarch because it's just header files.

SRC_URI="${NAME}-headers-${VERSION}.tar.xz"

# Make dummy source file for prep if the cleaned one is not exist.
if [ ! -f ${SRC_URI} ]
then
	mkdir ${NAME}-${VERSION}
	touch ${NAME}-${VERSION}/dummy
	tar acf ${SRC_URI} ${NAME}-${VERSION}
	rm -rf ${NAME}-${VERSION}
fi

CYGPORT_USE_UNSTABLE_API=1
src_unpack_hook() {
	if [ $(tar tvf ../../../${SRC_URI} | wc -l)  -eq 2 ] # Source file is dummy
	then
		NV=${NAME}-${VERSION}
		pushd ..
		rm -rf ${NV} # Remove dummy source file.
		# Download original source file.
		wget https://github.com/cisco/openh264/archive/refs/tags/v${VERSION}.tar.gz
		tar xf v${VERSION}.tar.gz
		rm -f v${VERSION}.tar.gz
		# Make source file which has only necessary header files.
		tar acf ../../${NAME}-headers-${VERSION}.tar.xz ${NV}/codec/api/wels/*.h
		# Update source directory.
		rm -rf ${NV}
		tar xf ../../${NAME}-headers-${VERSION}.tar.xz
		popd
	fi
}
	
PKG_NAMES="libopenh264-headers"
libopenh264_headers_CATEGORY="Video Devel"
libopenh264_headers_CONTENTS="usr/include"

src_compile() {
	:
}

src_install() {
	mkdir -p ${D}/usr/include
	ln -fs ${S}/codec/api/wels ${D}/usr/include/.
}