From 895e297771ad391bfbd652c2d5a6a2f21817cac8 Mon Sep 17 00:00:00 2001
From: dijunkun <junkun.di@hotmail.com>
Date: Thu, 28 May 2026 04:21:52 +0800
Subject: [PATCH] [fix] initialize render runtime state to avoid invalid SDL
 handles

---
 src/gui/render.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/gui/render.h b/src/gui/render.h
index 180f004..72d2651 100644
--- a/src/gui/render.h
+++ b/src/gui/render.h
@@ -553,8 +553,8 @@ class Render {
   std::string remote_client_id_ = "";
   std::unordered_set<int> pressed_keyboard_keys_;
   std::mutex pressed_keyboard_keys_mutex_;
-  SDL_Event last_mouse_event;
-  SDL_AudioStream* output_stream_;
+  SDL_Event last_mouse_event{};
+  SDL_AudioStream* output_stream_ = nullptr;
   uint32_t STREAM_REFRESH_EVENT = 0;
 #if _WIN32
   std::atomic<bool> pending_windows_service_sas_{false};
@@ -684,8 +684,8 @@ class Render {
   // Map file_id to FileTransferState for global file transfer (props == null)
   std::unordered_map<uint32_t, FileTransferState*> file_id_to_transfer_state_;
   std::shared_mutex file_id_to_transfer_state_mutex_;
-  SDL_AudioDeviceID input_dev_;
-  SDL_AudioDeviceID output_dev_;
+  SDL_AudioDeviceID input_dev_ = 0;
+  SDL_AudioDeviceID output_dev_ = 0;
   ScreenCapturerFactory* screen_capturer_factory_ = nullptr;
   ScreenCapturer* screen_capturer_ = nullptr;
   SpeakerCapturerFactory* speaker_capturer_factory_ = nullptr;
@@ -694,7 +694,7 @@ class Render {
   MouseController* mouse_controller_ = nullptr;
   KeyboardCapturer* keyboard_capturer_ = nullptr;
   std::vector<DisplayInfo> display_info_list_;
-  uint64_t last_frame_time_;
+  uint64_t last_frame_time_ = 0;
   std::string last_video_frame_stream_id_;
   bool show_new_version_icon_ = false;
   bool show_new_version_icon_in_menu_ = true;