#!/bin/sh
#
# The caller needs to be root or a member of the 'sudo' group.
# Make sure /etc/apt/sources.list contains a deb-src line.
#
# (C) Wolfgang Schweer <wschweer@arcor.de> Nov 15 2017

set -e

TMP=$(mktemp -d)
PULSE_UPSTREAM_VERSION="$(dpkg-query -W -f='${source:Upstream-Version}' pulseaudio)"
XRDP_UPSTREAM_VERSION="$(dpkg-query -W -f='${source:Upstream-Version}' xrdp)"
sudo apt -q update

# Get sources and build dependencies:
sudo apt -q install dpkg-dev

cd $TMP
apt -q source pulseaudio xrdp
sudo apt -q build-dep pulseaudio xrdp

# For pulseaudio 'configure' is all what is needed:
cd pulseaudio-$PULSE_UPSTREAM_VERSION/
./configure

# Adjust pulseaudio modules Makefile (needs absolute path)
# and build the pulseaudio modules.
cd $TMP/xrdp-$XRDP_UPSTREAM_VERSION/sesman/chansrv/pulse/
sed -i 's/^PULSE/#PULSE/' Makefile
sed -i "/#PULSE_DIR/a \
PULSE_DIR = $TMP/pulseaudio-$PULSE_UPSTREAM_VERSION" Makefile
make

# Copy modules to Pulseaudio modules directory, adjust rights.
sudo cp *.so /usr/lib/pulse-$PULSE_UPSTREAM_VERSION/modules/
sudo chmod 644 /usr/lib/pulse-$PULSE_UPSTREAM_VERSION/modules/module-xrdp*

# Restart xrdp, now with sound enabled.
sudo service xrdp restart