Setup 3x nvidia (same card) monitors for simultaneous output w/ pulseaudio on Fedora 23

setup-monitor-pulseaudio.sh

#!/bin/bash
set -x
HOME="$( awk -v user="$SUDO_USER" -F':' '$1 == user { print $6 }' /etc/passwd )"
UDEV_RULE_FILE="/etc/udev/rules.d/nvidia-hdmi.rules"
HOME_CONF_PULSE="${HOME}/.config/pulse"
HOME_DEFAULT_PA="${HOME_CONF_PULSE}/default.pa"
HOME_DAEMON_CONF="${HOME_CONF_PULSE}/daemon.conf"
USR_SHARE_PULSE="/usr/share/pulseaudio/alsa-mixer/profile-sets"
USR_SHARE_PULSE_PROFILE_NAME="nvidia-hdmi.conf"
USR_SHARE_PULSE_PROFILE="${USR_SHARE_PULSE}/${USR_SHARE_PULSE_PROFILE_NAME}"
LSPCI_NAME="NVIDIA.*Audio"
PCI_DEV_NUM="0000:$( lspci -mm | awk -v name="$LSPCI_NAME" '$0 ~ name { print $1 }' )"
PCI_DEV_NUM_NOCOL="${PCI_DEV_NUM//:/_}"
ALSA_CARD="alsa_card.pci-${PCI_DEV_NUM_NOCOL}"
PCI_DEV_ID="/sys/bus/pci/devices/${PCI_DEV_NUM}"
VENDOR_DEVICE_UDEV_VARS="$( udevadm info -qproperty -p "${PCI_DEV_ID}/sound/card"[0-9] | awk -F'=' '$1 == "ID_MODEL_ID" { model=$2 }; $1 == "ID_VENDOR_ID" { vendor=$2 }; END { print "ATTRS{vendor}==\""vendor"\", ATTRS{device}==\""model"\"" }' )"

if [[ -d "$HOME_CONF_PULSE" ]]; then
	find "$HOME_CONF_PULSE" -mindepth 1 -delete
fi

defaultpa_processor() {
	awk '
		BEGIN {
			udev="module-udev-detect$"
		}
		$0 ~ udev {
			$NF=$NF" tsched=0"
		} 1
		'
}

# /etc/udev/rules.d/nvidia-hdmi.rules
cat <<-EOF > "$UDEV_RULE_FILE"
	SUBSYSTEM!="sound", GOTO="pulseaudio_end"
	ACTION!="change", GOTO="pulseaudio_end"
	KERNEL!="card*", GOTO="pulseaudio_end"

	SUBSYSTEMS=="pci", ${VENDOR_DEVICE_UDEV_VARS}, ENV{PULSE_PROFILE_SET}="${USR_SHARE_PULSE_PROFILE_NAME}"

	LABEL="pulseaudio_end"
EOF

# /usr/share/pulseaudio/alsa-mixer/profile-sets/nvidia-hdmi.conf
cat <<-EOF > "$USR_SHARE_PULSE_PROFILE"
	$( cat "${USR_SHARE_PULSE}/default.conf" )

	[Profile output:hdmi-all]
	description = Digital Stereo (HDMI ALL)
	output-mappings = hdmi-stereo-extra1 hdmi-stereo-extra2 hdmi-stereo-extra3
	skip-probe = yes
EOF

# ~/.config/default.pa
cat <<-EOF > "$HOME_DEFAULT_PA"
	$( cat /etc/pulse/default.pa | defaultpa_processor )
	 set-card-profile ${ALSA_CARD} output:hdmi-all
	 load-module module-combine-sink sink_name=all_monitors slaves=alsa_output.pci-${PCI_DEV_NUM_NOCOL}.hdmi-stereo-extra1,alsa_output.pci-${PCI_DEV_NUM_NOCOL}.hdmi-stereo-extra2,alsa_output.pci-${PCI_DEV_NUM_NOCOL}.hdmi-stereo-extra3
	 update-sink-proplist all_monitors device.description="With our powers combined..."
	 set-default-sink all_monitors
	# Some settings I like
	# load-module module-echo-cancel
	# load-module module-switch-on-connect
EOF

# Screw flat volumes! (another custom settings)
cat <<-EOF > "$HOME_DAEMON_CONF"
	$( cat /etc/pulse/daemon.conf )
	flat-volumes = no
	default-sample-rate = 48000
EOF