#!/bin/bash

​

# Script to grab headers from existing packages to support dlopen() codec libraries

# Requires: bash, coreutils, curl, bsdtar, dnf, dnf-plugins-core, tar, xz

# Author: Neal Gompa <ngompa@fedoraproject.org>

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

​

echo "Setting up..."

# Get local directory

LOCALDIR=$(realpath $(dirname $0))

​

# Create working area

TMPDIR=$(mktemp -d /tmp/mmheadersXXXXXX)

mkdir -pv $TMPDIR

​

echo "Fetching headers..."

# Get OpenH264 headers

OPENH264_DEVEL=$(dnf -q download --url 'pkgconfig(openh264)')

curl -L $OPENH264_DEVEL | bsdtar -xvf - --include "./usr/include/*" -C $TMPDIR

​

echo "Generating tarball..."

# Prep tarball tree

mv -v ${TMPDIR}/usr ${TMPDIR}/ffdlopenhdrs

# Generate tarball

tar --transform "s|^${TMPDIR#?}/||" -cJvf ${LOCALDIR}/ffmpeg-dlopen-headers.tar.xz ${TMPDIR}/ffdlopenhdrs

# Clean up

echo "Cleaning up..."

rm -rfv ${TMPDIR}

​

echo "Tarball created: ${LOCALDIR}/ffmpeg-dlopen-headers.tar.xz"

​