From 38ef474451991904fb039b06a2e2bafbef9d9a14 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Thebault?= <remi.thebault@gmail.com>
Date: Sun, 11 Aug 2024 18:00:22 +0200
Subject: [PATCH] CI build pipewire

---
 buildscripts/ci/linux/setup.sh               | 95 +++++++++++++++++++-
 buildscripts/ci/linux/tools/make_appimage.sh | 16 ++++
 2 files changed, 110 insertions(+), 1 deletion(-)

diff --git a/buildscripts/ci/linux/setup.sh b/buildscripts/ci/linux/setup.sh
index a2c0a25320efd..e371d73d2c867 100644
--- a/buildscripts/ci/linux/setup.sh
+++ b/buildscripts/ci/linux/setup.sh
@@ -116,12 +116,18 @@ apt_packages_ffmpeg=(
   libswscale-dev
   )
 
+apt_packages_pw_deps=(
+  libdbus-1-dev
+  libudev-dev
+)
+
 sudo apt-get update 
 sudo apt-get install -y --no-install-recommends \
   "${apt_packages_basic[@]}" \
   "${apt_packages_standard[@]}" \
   "${apt_packages_runtime[@]}" \
-  "${apt_packages_ffmpeg[@]}"
+  "${apt_packages_ffmpeg[@]}" \
+  "${apt_packages_pw_deps[@]}"
 
 ##########################################################################
 # GET QT
@@ -198,9 +204,96 @@ if [[ ! -d "$ninja_dir" ]]; then
   chmod +x $ninja_dir/ninja
 fi
 echo export PATH="${ninja_dir}:\${PATH}" >> ${ENV_FILE}
+export PATH="${ninja_dir}:${PATH}" # needed to compile pipewire
 echo "ninja version"
 $ninja_dir/ninja --version
 
+# MESON
+# Get recent version of Meson (to build pipewire)
+meson_version="1.1.1"
+sudo python3 -m pip install meson==${meson_version}
+
+##########################################################################
+# BUILD PIPWIRE
+##########################################################################
+
+pw_version="1.0.4"
+pw_src_dir="$BUILD_TOOLS/pw-src-${pw_version}"
+pw_dist_dir="$BUILD_TOOLS/pw-dist-${pw_version}"
+pw_url="https://gitlab.freedesktop.org/pipewire/pipewire/-/archive/${pw_version}/pipewire-${pw_version}.tar.gz"
+if [[ ! -d "${pw_src_dir}" ]]; then
+  mkdir -p "${pw_src_dir}"
+  wget -q --show-progress -O pw.tar.gz "${pw_url}"
+  tar -xzf pw.tar.gz -C "${pw_src_dir}" --strip-components=1
+  rm pw.tar.gz
+  pushd "${pw_src_dir}"
+
+  meson setup builddir \
+    --buildtype=debug \
+    --prefix=/usr \
+    --libdir=/usr/lib \
+    -Dexamples=disabled \
+    -Dtests=disabled \
+    -Dgstreamer=disabled \
+    -Dgstreamer-device-provider=disabled \
+    -Dsystemd=disabled \
+    -Dselinux=disabled \
+    -Dpipewire-alsa=disabled \
+    -Dpipewire-jack=disabled \
+    -Dpipewire-v4l2=disabled \
+    -Djack-devel=false \
+    -Dalsa=disabled \
+    -Daudiomixer=disabled \
+    -Daudioconvert=enabled \
+    -Dbluez5=disabled \
+    -Dcontrol=disabled \
+    -Daudiotestsrc=disabled \
+    -Djack=disabled \
+    -Dsupport=enabled \
+    -Devl=disabled \
+    -Dv4l2=disabled \
+    -Dvideoconvert=disabled \
+    -Dvideotestsrc=disabled \
+    -Dpw-cat=disabled \
+    -Dudev=disabled \
+    -Dsdl2=disabled \
+    -Dsndfile=disabled \
+    -Dlibmysofa=disabled \
+    -Dlibpulse=disabled \
+    -Droc=disabled \
+    -Decho-cancel-webrtc=disabled \
+    -Dlibusb=disabled \
+    -Dsession-managers=[] \
+    -Draop=disabled \
+    -Dlv2=disabled \
+    -Dx11=disabled \
+    -Dlibcanberra=disabled \
+    -Dlegacy-rtkit=false \
+    -Davb=disabled \
+    -Dflatpak=disabled \
+    -Dreadline=disabled \
+    -Dgsettings=disabled \
+    -Dcompress-offload=disabled \
+    -Drlimits-install=false \
+    -Dopus=disabled \
+    -Dlibffado=disabled \
+
+  meson compile -C builddir
+  popd
+fi
+echo "Built pipewire in ${pw_src_dir}/builddir"
+if [[ ! -d "${pw_dist_dir}" ]]; then
+  pushd ${pw_src_dir}
+  DESTDIR=${pw_dist_dir} meson install -C builddir
+  popd
+fi
+echo "Installed pipewire to ${pw_dist_dir}/usr"
+
+echo export PW_DIST_DIR="${pw_dist_dir}" >> ${ENV_FILE}
+echo export LIBRARY_PATH="${pw_dist_dir}/usr/lib:\${LIBRARY_PATH}" >> ${ENV_FILE}
+echo export PKG_CONFIG_PATH="${pw_dist_dir}/usr/lib/pkgconfig:\${PKG_CONFIG_PATH}" >> ${ENV_FILE}
+echo export LD_LIBRARY_PATH="${pw_dist_dir}/usr/lib:\${LD_LIBRARY_PATH}" >> ${ENV_FILE}
+
 ##########################################################################
 # OTHER
 ##########################################################################
diff --git a/buildscripts/ci/linux/tools/make_appimage.sh b/buildscripts/ci/linux/tools/make_appimage.sh
index e1c1533e2f553..7d25f7d137420 100644
--- a/buildscripts/ci/linux/tools/make_appimage.sh
+++ b/buildscripts/ci/linux/tools/make_appimage.sh
@@ -224,6 +224,13 @@ additional_qt_components=(
   plugins/wayland-shell-integration
 )
 
+# Include needed pipewire plugins
+# linuxdeploy has no specific support for pipewire, so plugins must be copied manually
+pipewire_plugins=(
+    'spa-0.2/audioconvert/libspa-audioconvert.so'
+    'spa-0.2/support/libspa-support.so'
+)
+
 # ADDITIONAL LIBRARIES
 # linuxdeploy may have missed some libraries that we need
 # Report new additions at https://github.com/linuxdeploy/linuxdeploy/issues
@@ -266,6 +273,15 @@ for file in "${additional_qt_components[@]}"; do
   cp -Lr "${QT_PATH}/${file}" "${appdir}/${file}"
 done
 
+if [[ -d "${PW_DIST_DIR}" ]]; then
+  for P in ${pipewire_plugins[@]}; do
+      mkdir -pv "${appdir}/usr/lib/${P%/*}"
+      cp -rv "${PW_DIST_DIR}/usr/lib/${P}" "${appdir}/usr/lib/${P}"
+  done
+else
+  echo -e "Pipewire not found, skipping pipewire plugins"
+fi
+
 for lib in "${additional_libraries[@]}"; do
   full_path="$(find_library "${lib}")"
   cp -L "${full_path}" "${appdir}/lib/${lib}"