Add media player entity to NSPanel protobufs

docker/protobuf/protobuf_nspanel.proto

@@ -99,6 +99,7 @@ message NSPanelStatusReport {
     UPDATING_TFT = 2;
     UPDATING_FIRMWARE = 3;
     UPDATING_LITTLEFS = 4;
+    REBOOTING = 5;
   }
   state nspanel_state = 1;
   int32 update_progress = 2;
@@ -143,6 +144,7 @@ message NSPanelRoomEntitiesPage {
       ENTITY_TYPE_BUTTON = 3;
       ENTITY_TYPE_THERMOSTAT = 4;
       ENTITY_TYPE_SCENE = 5;
+      ENTITY_TYPE_MEDIA_PLAYER = 6;
     }
     EntityType type = 8;
     int32 id = 9;
@@ -248,6 +250,25 @@ message NSPanelMQTTManagerCommand {
     string new_value = 3;
   }
 
+  message MediaPlayerCommand {
+    enum PlaybackAction {
+      NONE = 0;
+      PLAY = 1;
+      PAUSE = 2;
+      NEXT_TRACK = 3;
+      PREVIOUS_TRACK = 4;
+    }
+
+    int32 media_player_id = 1;
+    PlaybackAction playback_action = 2;
+    bool has_volume = 3;
+    int32 volume = 4; // Volume in 0-100%
+    bool has_source_volume = 5;
+    int32 source_volume = 6; // Volume in 0-100%
+    bool has_muted = 7;
+    bool muted = 8;
+  }
+
   oneof CommandData {
     FirstPageTurnLightOn first_page_turn_on = 1;
     FirstPageTurnLightOff first_page_turn_off = 2;
@@ -258,6 +279,7 @@ message NSPanelMQTTManagerCommand {
 
     ThermostatTemperatureCommand thermostat_temperature_command = 7;
     ThermostatCommand thermostat_command = 8;
+    MediaPlayerCommand media_player_command = 9;
   }
 
   int32 nspanel_id = 100;

docker/protobuf/protobuf_nspanel_entity.proto

@@ -45,8 +45,42 @@ message NSPanelEntityState {
     repeated ThermostatOption options = 7;
   }
 
+  message MediaPlayer {
+    enum PlaybackState {
+      UNKNOWN = 0;
+      OFF = 1;
+      ON = 2;
+      IDLE = 3;
+      PLAYING = 4;
+      PAUSED = 5;
+      BUFFERING = 6;
+    }
+
+    int32 media_player_id = 1;
+    string name = 2;
+    PlaybackState state = 3;
+    string media_title = 4;
+    string media_artist = 5;
+
+    int32 volume = 6; // Volume in 0-100%
+    bool is_muted = 7;
+
+    // Some setups (for example multi-room audio matrices) have a separate volume
+    // for the source feeding this player. Only valid if has_source_volume is set.
+    bool has_source_volume = 8;
+    int32 source_volume = 9; // Volume in 0-100%
+
+    bool can_play = 10;
+    bool can_pause = 11;
+    bool can_next_track = 12;
+    bool can_previous_track = 13;
+    bool can_set_volume = 14;
+    bool can_mute = 15;
+  }
+
   oneof entity {
     Light light = 1;
     Thermostat thermostat = 2;
+    MediaPlayer media_player = 3;
   }
 }