Re: [ITP] openh264 (2.3.1)

[Takashi Yano <takashi.yano@nifty.ne.jp>]

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On Sun, 5 Feb 2023 16:36:21 +0000
Jon Turney wrote:
> On 05/02/2023 08:37, Takashi Yano via Cygwin-apps wrote:
> > I would like to propose new package openh264, which is
> > a H264 video codec library. This is needed by ffmpeg
> > package I had proposed, and also provided for ffmpeg-free
> > package in fedora.
> > 
> > I already prepared the package at the following location.
> > 
> > https://tyan0.yr32.net/cygwin/x86_64/release/openh264/
> 
> libopenh264 contains a libopenh264.dll file.  This doesn't match the 
> naming convention for cygwin DLLs.  This might need patching in the make 
> machinery somewhere.

As Yaakov mentioned, it seems that binary libopenh264 package
cannot be distributed as a cygwin package, so I re-package
it so that it includes only the header files.

Please check attached cygport file.

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>

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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/.
}