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Add support for automatic refresh rate switching in Sunshine/Moonlight

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Josh.5
2023-09-10 19:40:00 +12:00
parent 60fa2363eb
commit 608f772ccc
3 changed files with 76 additions and 6 deletions
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40
overlay/usr/bin/sunshine-run
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@@ -33,6 +33,46 @@ trap '_term QUIT' SIGQUIT
trap '_term HUP' SIGHUP
trap '_term TERM' SIGTERM
# Wipe session config
echo "" > /tmp/sunshine-exec-run.conf
# Update display resolution and refresh reate if client provided the required details
if ([ "X${SUNSHINE_CLIENT_WIDTH:-}" != "X" ] && [ "X${SUNSHINE_CLIENT_HEIGHT:-}" != "X" ] && [ "X${SUNSHINE_CLIENT_FPS:-}" != "X" ]); then
echo " - Setting display resolution to ${SUNSHINE_CLIENT_WIDTH:?}x${SUNSHINE_CLIENT_HEIGHT:?} ${SUNSHINE_CLIENT_FPS:?}Hz"
# Read current display mode and extract resolution and refresh rate from the mode string
__xrandr_out="$(xrandr)"
__current_current_mode=$(echo "${__xrandr_out:?}" | awk '/\*/ {print $0}')
__current_resolution=$(echo ${__current_current_mode:?} | awk '{print $1}')
__current_refresh_rate=$(echo ${__current_current_mode:?} | awk '{sub(/\*/, "", $2); print $2}')
# Get the primary output device
__primary_output="$(echo "${__xrandr_out:?}" | grep primary | awk '{print $1}')"
# Get the modeline from cvt and extract the second line (which contains the modeline)
__client_modeline=$(cvt "${SUNSHINE_CLIENT_WIDTH:?}" "${SUNSHINE_CLIENT_HEIGHT:?}" "${SUNSHINE_CLIENT_FPS:?}" | grep Modeline | sed -e 's/Modeline //')
# Create a new mode for this. This allows us to force a set refresh rate that may not be supported by the display
__client_mode=$(echo "${__client_modeline:?}" | awk -F '"' '{print $2}')
# Check if tthis mode is alread added to the primary display
if ! echo "${__xrandr_out:?}" | grep -q "${__client_mode:?}"; then
echo " - Adding new mode '${__client_mode:?}' with new modeline '${__client_modeline:?}'"
xrandr --newmode "${__client_mode:?}" ${__client_modeline##*\"}
echo " - Adding new mode '${__client_mode:?}' to device '${__primary_output:?}'"
xrandr --addmode "${__primary_output:?}" "${__client_mode:?}"
fi
# Set the current resoultion to the new mode
echo " - Setting the display mode to '${__client_mode:?}'"
xrandr --output "${__primary_output:?}" --mode "${__client_mode:?}" --rate "${SUNSHINE_CLIENT_FPS:?}"
# Save original display settings to config file. This will be read and used to restore the original display settings when the client disconnects.
echo "primary_output='${__primary_output:?}'" >> /tmp/sunshine-exec-run.conf
echo "display_mode='${__current_resolution:?}'" >> /tmp/sunshine-exec-run.conf
echo "display_rate='${__current_refresh_rate:?}'" >> /tmp/sunshine-exec-run.conf
fi
# Run child process
/usr/bin/dumb-init "${@}" &
proc_pid=$!