feat(input): forward DS5 player/mic-LED from libvirtualhid to the client

src/platform/common.h

@@ -117,6 +117,8 @@ namespace platf {
     set_motion_event_state,  ///< Set motion event state
     set_rgb_led,  ///< Set RGB LED
     set_adaptive_triggers,  ///< Set adaptive triggers
+    set_player_led,  ///< Set player-indicator LEDs (DualSense)
+    set_mic_led,  ///< Set mic-mute LED (DualSense)
   };
 
   /**
@@ -208,6 +210,36 @@ namespace platf {
       return msg;
     }
 
+    /**
+     * @brief Create a player-LED (player-indicator) feedback command (DualSense).
+     *
+     * @param id Identifier for the controller.
+     * @param ledValue Raw 5-bit player-indicator bitmask (forwarded verbatim from the game's report).
+     * @return Constructed player-LED object.
+     */
+    static gamepad_feedback_msg_t make_player_led(std::uint16_t id, std::uint8_t ledValue) {
+      gamepad_feedback_msg_t msg;
+      msg.type = gamepad_feedback_e::set_player_led;
+      msg.id = id;
+      msg.data.player_led = {ledValue};
+      return msg;
+    }
+
+    /**
+     * @brief Create a mic-mute-LED feedback command (DualSense).
+     *
+     * @param id Identifier for the controller.
+     * @param ledState Mic-LED state (0 = off, 1 = on, 2 = pulse).
+     * @return Constructed mic-LED object.
+     */
+    static gamepad_feedback_msg_t make_mic_led(std::uint16_t id, std::uint8_t ledState) {
+      gamepad_feedback_msg_t msg;
+      msg.type = gamepad_feedback_e::set_mic_led;
+      msg.id = id;
+      msg.data.mic_led = {ledState};
+      return msg;
+    }
+
     gamepad_feedback_e type;  ///< Feedback command type stored in the union payload.
     std::uint16_t id;  ///< Controller identifier associated with this message.
 
@@ -233,6 +265,14 @@ namespace platf {
         std::uint8_t b;
       } rgb_led;
 
+      struct {
+        std::uint8_t value;  ///< Raw 5-bit player-indicator bitmask.
+      } player_led;
+
+      struct {
+        std::uint8_t state;  ///< 0 = off, 1 = on, 2 = pulse.
+      } mic_led;
+
       struct {
         uint16_t controllerNumber;
         uint8_t event_flags;

src/platform/virtualhid_input.cpp

@@ -45,6 +45,10 @@ namespace platf::virtualhid {
     std::uint8_t last_red = 0;  ///< Last red LED value.
     std::uint8_t last_green = 0;  ///< Last green LED value.
     std::uint8_t last_blue = 0;  ///< Last blue LED value.
+    bool has_last_player_led = false;  ///< Whether the last player-LED value is valid.
+    std::uint8_t last_player_led = 0;  ///< Last player-indicator LED bitmask.
+    bool has_last_mic_led = false;  ///< Whether the last mic-LED state is valid.
+    std::uint8_t last_mic_led = 0;  ///< Last mic-mute LED state.
   };
 
   namespace {
@@ -390,6 +394,22 @@ namespace platf::virtualhid {
           gamepad->last_blue = output.blue;
           raise_feedback_unlocked(gamepad, gamepad_feedback_msg_t::make_rgb_led(gamepad->client_relative_index, output.red, output.green, output.blue));
           break;
+        case lvh::GamepadOutputKind::player_led:
+          if (gamepad->has_last_player_led && gamepad->last_player_led == output.player_led) {
+            return;
+          }
+          gamepad->has_last_player_led = true;
+          gamepad->last_player_led = output.player_led;
+          raise_feedback_unlocked(gamepad, gamepad_feedback_msg_t::make_player_led(gamepad->client_relative_index, output.player_led));
+          break;
+        case lvh::GamepadOutputKind::mic_led:
+          if (gamepad->has_last_mic_led && gamepad->last_mic_led == output.mic_led) {
+            return;
+          }
+          gamepad->has_last_mic_led = true;
+          gamepad->last_mic_led = output.mic_led;
+          raise_feedback_unlocked(gamepad, gamepad_feedback_msg_t::make_mic_led(gamepad->client_relative_index, output.mic_led));
+          break;
         case lvh::GamepadOutputKind::adaptive_triggers:
           raise_feedback_unlocked(gamepad, gamepad_feedback_msg_t::make_adaptive_triggers(gamepad->client_relative_index, output.adaptive_trigger_flags, output.left_trigger_effect_type, output.right_trigger_effect_type, output.left_trigger_effect, output.right_trigger_effect));
           break;

src/stream.cpp

@@ -49,6 +49,8 @@ constexpr int IDX_RUMBLE_TRIGGER_DATA = 12;  ///< Control-stream message index f
 constexpr int IDX_SET_MOTION_EVENT = 13;  ///< Control-stream message index for set motion event.
 constexpr int IDX_SET_RGB_LED = 14;  ///< Control-stream message index for set rgb led.
 constexpr int IDX_SET_ADAPTIVE_TRIGGERS = 15;  ///< Control-stream message index for set adaptive triggers.
+constexpr int IDX_SET_PLAYER_LED = 16;  ///< Control-stream message index for set player LED (DualSense).
+constexpr int IDX_SET_MIC_LED = 17;  ///< Control-stream message index for set mic LED (DualSense).
 
 static const short packetTypes[] = {
   0x0305,  // Start A
@@ -67,6 +69,8 @@ static const short packetTypes[] = {
   0x5501,  // Set motion event (Sunshine protocol extension)
   0x5502,  // Set RGB LED (Sunshine protocol extension)
   0x5503,  // Set Adaptive triggers (Sunshine protocol extension)
+  0x5504,  // Set Player LED (Sunshine protocol extension, DualSense)
+  0x5505,  // Set Mic LED (Sunshine protocol extension, DualSense)
 };
 
 namespace asio = boost::asio;
@@ -239,6 +243,26 @@ namespace stream {
     std::uint8_t b;  ///< Blue LED channel.
   };
 
+  /**
+   * @brief Control payload that sets the DualSense player-indicator LEDs.
+   */
+  struct control_set_player_led_t {
+    control_header_v2 header;  ///< Control message header preceding this payload.
+
+    std::uint16_t id;  ///< Controller identifier associated with this message.
+    std::uint8_t value;  ///< Raw 5-bit player-indicator bitmask.
+  };
+
+  /**
+   * @brief Control payload that sets the DualSense mic-mute LED.
+   */
+  struct control_set_mic_led_t {
+    control_header_v2 header;  ///< Control message header preceding this payload.
+
+    std::uint16_t id;  ///< Controller identifier associated with this message.
+    std::uint8_t state;  ///< Mic-LED state (0 = off, 1 = on, 2 = pulse).
+  };
+
   /**
    * @brief Control payload that configures DualSense adaptive triggers.
    */
@@ -1047,6 +1071,32 @@ namespace stream {
       plaintext.type_right = msg.data.adaptive_triggers.type_right;
       std::ranges::copy(msg.data.adaptive_triggers.right, plaintext.right);
 
+      std::array<std::uint8_t, sizeof(control_encrypted_t) + crypto::cipher::round_to_pkcs7_padded(sizeof(plaintext)) + crypto::cipher::tag_size>
+        encrypted_payload;
+
+      payload = encode_control(session, util::view(plaintext), encrypted_payload);
+    } else if (msg.type == platf::gamepad_feedback_e::set_player_led) {
+      control_set_player_led_t plaintext;
+      plaintext.header.type = packetTypes[IDX_SET_PLAYER_LED];
+      plaintext.header.payloadLength = sizeof(plaintext) - sizeof(control_header_v2);
+
+      plaintext.id = util::endian::little(msg.id);
+      plaintext.value = msg.data.player_led.value;
+
+      BOOST_LOG(verbose) << "Player LED: "sv << msg.id << " :: "sv << util::hex(msg.data.player_led.value).to_string_view();
+      std::array<std::uint8_t, sizeof(control_encrypted_t) + crypto::cipher::round_to_pkcs7_padded(sizeof(plaintext)) + crypto::cipher::tag_size>
+        encrypted_payload;
+
+      payload = encode_control(session, util::view(plaintext), encrypted_payload);
+    } else if (msg.type == platf::gamepad_feedback_e::set_mic_led) {
+      control_set_mic_led_t plaintext;
+      plaintext.header.type = packetTypes[IDX_SET_MIC_LED];
+      plaintext.header.payloadLength = sizeof(plaintext) - sizeof(control_header_v2);
+
+      plaintext.id = util::endian::little(msg.id);
+      plaintext.state = msg.data.mic_led.state;
+
+      BOOST_LOG(verbose) << "Mic LED: "sv << msg.id << " :: "sv << util::hex(msg.data.mic_led.state).to_string_view();
       std::array<std::uint8_t, sizeof(control_encrypted_t) + crypto::cipher::round_to_pkcs7_padded(sizeof(plaintext)) + crypto::cipher::tag_size>
         encrypted_payload;