Add support for automatic refresh rate switching in Sunshine/Moonlight

Dockerfile.debian

@@ -493,13 +493,26 @@ RUN \
     echo
 
 # Install Sunshine
-ARG SUNSHINE_VERSION=0.20.0
+COPY --from=lizardbyte/sunshine:b00d7af-debian-bookworm /sunshine.deb /usr/src/sunshine.deb
 RUN \
+    echo "**** Update apt database ****" \
+        && apt-get update \
+    && \
+    echo "**** Install Sunshine requirements ****" \
+        && apt-get install -y \
+            va-driver-all \
+    && \
     echo "**** Install Sunshine ****" \
-        && wget -O /usr/bin/sunshine \
+        && apt-get install -y \
-            https://github.com/LizardByte/Sunshine/releases/download/v${SUNSHINE_VERSION}/sunshine.AppImage \
+            /usr/src/sunshine.deb \
-        && chmod +x /usr/bin/sunshine \
+    && \
-        && setcap cap_sys_admin+p /usr/bin/sunshine \
+    echo "**** Section cleanup ****" \
+        && apt-get clean autoclean -y \
+        && apt-get autoremove -y \
+        && rm -rf \
+            /var/lib/apt/lists/* \
+            /var/tmp/* \
+            /tmp/* \
     && \
     echo
 
@@ -508,7 +521,7 @@ RUN \
     echo "**** Update apt database ****" \
         && apt-get update \
     && \
-    echo "**** Install Intel media drivers and VAAPI ****" \
+    echo "**** Install Steam ****" \
         && apt-get install -y --no-install-recommends \
             steam \
     && \

overlay/usr/bin/sunshine-run

@@ -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 "${@}" &
 proc_pid=$!

overlay/usr/bin/sunshine-stop

@@ -21,13 +21,20 @@ echo
 echo "**** Execute sunshine-stop ****"
 echo
 
+# Read the run config
+if [ -f /tmp/sunshine-exec-run.conf ]; then
+    . /tmp/sunshine-exec-run.conf
+fi
 
+# Read the process PID
 process_pid="$(cat /tmp/sunshine-exec-run.pid)"
 echo "  - Found initial sunshine-run PID '${process_pid}'"
 
+# Send a INT signal to the PID
 echo "  - Sending SIGINT to PID '${process_pid}'"
 kill -INT "${process_pid}"
 
+# Run a loop to check for any other "sunshine-run" processes and send them also a INT signal
 echo "  - Checking for other sunshine-run processes '${process_pid}'"
 for process_pid in $(ps aux | grep -v grep | grep sunshine-run | awk '{print $2}'); do
     echo "  - Sending SIGINT to PID '${process_pid}'"
@@ -51,6 +58,16 @@ for process_pid in $(ps aux | grep -v grep | grep sunshine-run | awk '{print $2}
     done
 done
 
+# Check if the required information was stored for resetting the display resolution and refresh rate
+if ([ "X${primary_output:-}" != "X" ] && [ "X${display_mode:-}" != "X" ] && [ "X${display_rate:-}" != "X" ]); then
+    # Reset display resolution and refresh rate
+    echo "  - Resetting display resolution to ${display_mode:?} ${display_rate:?}Hz"
+    xrandr --output "${primary_output:?}" --mode "${display_mode:?}" --rate "${display_rate:?}"
+fi
+
+# Clean up config file
+rm -f /tmp/sunshine-exec-run.conf
+
 # Clean up PID file
 rm -f /tmp/sunshine-exec-run.pid