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			749 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			749 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include <SDL.h>
 | |
| #include <stdio.h>
 | |
| #ifdef _WIN32
 | |
| // #pragma comment(linker, "/subsystem:\"windows\" /entry:\"mainCRTStartup\"")
 | |
| #pragma comment(linker, "/subsystem:\"console\"")
 | |
| #include <Winsock2.h>
 | |
| #include <iphlpapi.h>
 | |
| #elif __APPLE__
 | |
| #include <ifaddrs.h>
 | |
| #include <net/if_dl.h>
 | |
| #include <net/if_types.h>
 | |
| #include <sys/socket.h>
 | |
| #include <sys/types.h>
 | |
| #elif __linux__
 | |
| #include <net/if.h>
 | |
| #include <sys/ioctl.h>
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| #include <sys/socket.h>
 | |
| #include <unistd.h>
 | |
| #endif
 | |
| 
 | |
| #include <chrono>
 | |
| #include <cstring>
 | |
| #include <fstream>
 | |
| #include <iostream>
 | |
| #include <string>
 | |
| #include <thread>
 | |
| 
 | |
| extern "C" {
 | |
| #include <libavcodec/avcodec.h>
 | |
| #include <libavdevice/avdevice.h>
 | |
| #include <libavfilter/avfilter.h>
 | |
| #include <libavformat/avformat.h>
 | |
| #include <libavutil/imgutils.h>
 | |
| #include <libswscale/swscale.h>
 | |
| };
 | |
| 
 | |
| #include "imgui.h"
 | |
| #include "imgui_impl_sdl2.h"
 | |
| #include "imgui_impl_sdlrenderer2.h"
 | |
| #include "log.h"
 | |
| #ifdef _WIN32
 | |
| #include "screen_capture_wgc.h"
 | |
| #elif __linux__
 | |
| #include "screen_capture_x11.h"
 | |
| #endif
 | |
| #include "x.h"
 | |
| 
 | |
| #define NV12_BUFFER_SIZE 1280 * 720 * 3 / 2
 | |
| 
 | |
| #ifdef REMOTE_DESK_DEBUG
 | |
| #define MOUSE_CONTROL 0
 | |
| #else
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| #define MOUSE_CONTROL 1
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| #endif
 | |
| 
 | |
| int screen_w = 1280, screen_h = 720;
 | |
| const int pixel_w = 1280, pixel_h = 720;
 | |
| 
 | |
| unsigned char dst_buffer[pixel_w * pixel_h * 3 / 2];
 | |
| SDL_Texture *sdlTexture = nullptr;
 | |
| SDL_Renderer *sdlRenderer = nullptr;
 | |
| SDL_Rect sdlRect;
 | |
| SDL_Window *window;
 | |
| 
 | |
| uint32_t start_time, end_time, elapsed_time;
 | |
| uint32_t frame_count = 0;
 | |
| int fps = 0;
 | |
| std::string window_title = "Remote Desk Client";
 | |
| std::string connection_status = "-";
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| 
 | |
| // Refresh Event
 | |
| #define REFRESH_EVENT (SDL_USEREVENT + 1)
 | |
| #define QUIT_EVENT (SDL_USEREVENT + 2)
 | |
| 
 | |
| int thread_exit = 0;
 | |
| PeerPtr *peer_server = nullptr;
 | |
| PeerPtr *peer_client = nullptr;
 | |
| bool joined = false;
 | |
| bool received_frame = false;
 | |
| 
 | |
| static bool connect_button_pressed = false;
 | |
| static const char *connect_label = "Connect";
 | |
| 
 | |
| #ifdef _WIN32
 | |
| ScreenCaptureWgc *screen_capture = nullptr;
 | |
| #elif __linux__
 | |
| ScreenCaptureX11 *screen_capture = nullptr;
 | |
| #endif
 | |
| 
 | |
| char *nv12_buffer = nullptr;
 | |
| 
 | |
| #ifdef __linux__
 | |
| std::chrono::_V2::system_clock::time_point last_frame_time_;
 | |
| #else
 | |
| std::chrono::steady_clock::time_point last_frame_time_;
 | |
| #endif
 | |
| 
 | |
| typedef enum { mouse = 0, keyboard } ControlType;
 | |
| typedef enum { move = 0, left_down, left_up, right_down, right_up } MouseFlag;
 | |
| typedef enum { key_down = 0, key_up } KeyFlag;
 | |
| typedef struct {
 | |
|   size_t x;
 | |
|   size_t y;
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|   MouseFlag flag;
 | |
| } Mouse;
 | |
| 
 | |
| typedef struct {
 | |
|   size_t key_value;
 | |
|   KeyFlag flag;
 | |
| } Key;
 | |
| 
 | |
| typedef struct {
 | |
|   ControlType type;
 | |
|   union {
 | |
|     Mouse m;
 | |
|     Key k;
 | |
|   };
 | |
| } RemoteAction;
 | |
| 
 | |
| inline int ProcessMouseKeyEven(SDL_Event &ev) {
 | |
|   float ratio = 1280.0 / screen_w;
 | |
| 
 | |
|   RemoteAction remote_action;
 | |
| 
 | |
|   if (SDL_KEYDOWN == ev.type)  // SDL_KEYUP
 | |
|   {
 | |
|     // printf("SDLK_DOWN: %d\n", SDL_KeyCode(ev.key.keysym.sym));
 | |
|     if (SDLK_DOWN == ev.key.keysym.sym) {
 | |
|       // printf("SDLK_DOWN  \n");
 | |
| 
 | |
|     } else if (SDLK_UP == ev.key.keysym.sym) {
 | |
|       // printf("SDLK_UP  \n");
 | |
| 
 | |
|     } else if (SDLK_LEFT == ev.key.keysym.sym) {
 | |
|       // printf("SDLK_LEFT  \n");
 | |
| 
 | |
|     } else if (SDLK_RIGHT == ev.key.keysym.sym) {
 | |
|       // printf("SDLK_RIGHT  \n");
 | |
|     }
 | |
|   } else if (SDL_MOUSEBUTTONDOWN == ev.type) {
 | |
|     if (SDL_BUTTON_LEFT == ev.button.button) {
 | |
|       int px = ev.button.x;
 | |
|       int py = ev.button.y;
 | |
|       // printf("SDL_MOUSEBUTTONDOWN x, y %d %d  \n", px, py);
 | |
| 
 | |
|       remote_action.type = ControlType::mouse;
 | |
|       remote_action.m.flag = MouseFlag::left_down;
 | |
|       remote_action.m.x = ev.button.x * ratio;
 | |
|       remote_action.m.y = ev.button.y * ratio;
 | |
| 
 | |
|       SendData(peer_client, DATA_TYPE::DATA, (const char *)&remote_action,
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|                sizeof(remote_action));
 | |
| 
 | |
|     } else if (SDL_BUTTON_RIGHT == ev.button.button) {
 | |
|       int px = ev.button.x;
 | |
|       int py = ev.button.y;
 | |
|       // printf("SDL_BUTTON_RIGHT x, y %d %d  \n", px, py);
 | |
| 
 | |
|       remote_action.type = ControlType::mouse;
 | |
|       remote_action.m.flag = MouseFlag::right_down;
 | |
|       remote_action.m.x = ev.button.x * ratio;
 | |
|       remote_action.m.y = ev.button.y * ratio;
 | |
| 
 | |
|       SendData(peer_client, DATA_TYPE::DATA, (const char *)&remote_action,
 | |
|                sizeof(remote_action));
 | |
|     }
 | |
|   } else if (SDL_MOUSEBUTTONUP == ev.type) {
 | |
|     if (SDL_BUTTON_LEFT == ev.button.button) {
 | |
|       int px = ev.button.x;
 | |
|       int py = ev.button.y;
 | |
|       // printf("SDL_MOUSEBUTTONUP x, y %d %d  \n", px, py);
 | |
| 
 | |
|       remote_action.type = ControlType::mouse;
 | |
|       remote_action.m.flag = MouseFlag::left_up;
 | |
|       remote_action.m.x = ev.button.x * ratio;
 | |
|       remote_action.m.y = ev.button.y * ratio;
 | |
| 
 | |
|       SendData(peer_client, DATA_TYPE::DATA, (const char *)&remote_action,
 | |
|                sizeof(remote_action));
 | |
| 
 | |
|     } else if (SDL_BUTTON_RIGHT == ev.button.button) {
 | |
|       int px = ev.button.x;
 | |
|       int py = ev.button.y;
 | |
|       // printf("SDL_MOUSEBUTTONUP x, y %d %d  \n", px, py);
 | |
| 
 | |
|       remote_action.type = ControlType::mouse;
 | |
|       remote_action.m.flag = MouseFlag::right_up;
 | |
|       remote_action.m.x = ev.button.x * ratio;
 | |
|       remote_action.m.y = ev.button.y * ratio;
 | |
| 
 | |
|       SendData(peer_client, DATA_TYPE::DATA, (const char *)&remote_action,
 | |
|                sizeof(remote_action));
 | |
|     }
 | |
|   } else if (SDL_MOUSEMOTION == ev.type) {
 | |
|     int px = ev.motion.x;
 | |
|     int py = ev.motion.y;
 | |
| 
 | |
|     // printf("SDL_MOUSEMOTION x, y %d %d  \n", px, py);
 | |
| 
 | |
|     remote_action.type = ControlType::mouse;
 | |
|     remote_action.m.flag = MouseFlag::move;
 | |
|     remote_action.m.x = ev.button.x * ratio;
 | |
|     remote_action.m.y = ev.button.y * ratio;
 | |
| 
 | |
|     SendData(peer_client, DATA_TYPE::DATA, (const char *)&remote_action,
 | |
|              sizeof(remote_action));
 | |
|   } else if (SDL_QUIT == ev.type) {
 | |
|     SDL_Event event;
 | |
|     event.type = SDL_QUIT;
 | |
|     SDL_PushEvent(&event);
 | |
|     printf("SDL_QUIT\n");
 | |
|     return 0;
 | |
|   }
 | |
| 
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| void ReceiveVideoBuffer(const char *data, size_t size, const char *user_id,
 | |
|                         size_t user_id_size) {
 | |
|   // std::cout << "Receive: [" << user_id << "] " << std::endl;
 | |
|   memcpy(dst_buffer, data, size);
 | |
| 
 | |
|   SDL_Event event;
 | |
|   event.type = REFRESH_EVENT;
 | |
|   SDL_PushEvent(&event);
 | |
|   received_frame = true;
 | |
| }
 | |
| 
 | |
| void ReceiveAudioBuffer(const char *data, size_t size, const char *user_id,
 | |
|                         size_t user_id_size) {
 | |
|   std::cout << "Receive audio, size " << size << ", user [" << user_id << "] "
 | |
|             << std::endl;
 | |
| }
 | |
| 
 | |
| void ReceiveDataBuffer(const char *data, size_t size, const char *user_id,
 | |
|                        size_t user_id_size) {
 | |
|   std::string user(user_id, user_id_size);
 | |
| 
 | |
|   RemoteAction remote_action;
 | |
|   memcpy(&remote_action, data, sizeof(remote_action));
 | |
| 
 | |
|   // std::cout << "remote_action: " << remote_action.type << " "
 | |
|   //           << remote_action.m.flag << " " << remote_action.m.x << " "
 | |
|   //           << remote_action.m.y << std::endl;
 | |
| #ifdef _WIN32
 | |
|   INPUT ip;
 | |
| 
 | |
|   if (remote_action.type == ControlType::mouse) {
 | |
|     ip.type = INPUT_MOUSE;
 | |
|     ip.mi.dx = remote_action.m.x * screen_w / 1280;
 | |
|     ip.mi.dy = remote_action.m.y * screen_h / 720;
 | |
|     if (remote_action.m.flag == MouseFlag::left_down) {
 | |
|       ip.mi.dwFlags = MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_ABSOLUTE;
 | |
|     } else if (remote_action.m.flag == MouseFlag::left_up) {
 | |
|       ip.mi.dwFlags = MOUSEEVENTF_LEFTUP | MOUSEEVENTF_ABSOLUTE;
 | |
|     } else if (remote_action.m.flag == MouseFlag::right_down) {
 | |
|       ip.mi.dwFlags = MOUSEEVENTF_RIGHTDOWN | MOUSEEVENTF_ABSOLUTE;
 | |
|     } else if (remote_action.m.flag == MouseFlag::right_up) {
 | |
|       ip.mi.dwFlags = MOUSEEVENTF_RIGHTUP | MOUSEEVENTF_ABSOLUTE;
 | |
|     } else {
 | |
|       ip.mi.dwFlags = MOUSEEVENTF_MOVE;
 | |
|     }
 | |
|     ip.mi.mouseData = 0;
 | |
|     ip.mi.time = 0;
 | |
| 
 | |
| #if MOUSE_CONTROL
 | |
|     // Set cursor pos
 | |
|     SetCursorPos(ip.mi.dx, ip.mi.dy);
 | |
|     // Send the press
 | |
|     if (ip.mi.dwFlags != MOUSEEVENTF_MOVE) {
 | |
|       SendInput(1, &ip, sizeof(INPUT));
 | |
|     }
 | |
| #endif
 | |
|     // std::cout << "Receive data from [" << user << "], " << ip.type << " "
 | |
|     //           << ip.mi.dwFlags << " " << ip.mi.dx << " " << ip.mi.dy
 | |
|     //           << std::endl;
 | |
|   }
 | |
| #endif
 | |
| }
 | |
| 
 | |
| void ConnectionStatus(ConnectionStatus status) {
 | |
|   if (ConnectionStatus::Connecting == status) {
 | |
|     connection_status = "Connecting";
 | |
|   } else if (ConnectionStatus::Connected == status) {
 | |
|     connection_status = "Connected";
 | |
|   } else if (ConnectionStatus::Failed == status) {
 | |
|     connection_status = "Failed";
 | |
|   } else if (ConnectionStatus::Closed == status) {
 | |
|     connection_status = "Closed";
 | |
|   } else if (ConnectionStatus::IncorrectPassword == status) {
 | |
|     connection_status = "Incorrect password";
 | |
|     if (connect_button_pressed) {
 | |
|       connect_button_pressed = false;
 | |
|       joined = false;
 | |
|       connect_label = connect_button_pressed ? "Disconnect" : "Connect";
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| std::string GetMac(char *mac_addr) {
 | |
|   int len = 0;
 | |
| #ifdef _WIN32
 | |
|   IP_ADAPTER_INFO adapterInfo[16];
 | |
|   DWORD bufferSize = sizeof(adapterInfo);
 | |
| 
 | |
|   DWORD result = GetAdaptersInfo(adapterInfo, &bufferSize);
 | |
|   if (result == ERROR_SUCCESS) {
 | |
|     PIP_ADAPTER_INFO adapter = adapterInfo;
 | |
|     while (adapter) {
 | |
|       for (UINT i = 0; i < adapter->AddressLength; i++) {
 | |
|         len += sprintf(mac_addr + len, "%.2X", adapter->Address[i]);
 | |
|       }
 | |
|       break;
 | |
|     }
 | |
|   }
 | |
| #elif __APPLE__
 | |
|   std::string if_name = "en0";
 | |
| 
 | |
|   struct ifaddrs *addrs;
 | |
|   struct ifaddrs *cursor;
 | |
|   const struct sockaddr_dl *dlAddr;
 | |
| 
 | |
|   if (!getifaddrs(&addrs)) {
 | |
|     cursor = addrs;
 | |
|     while (cursor != 0) {
 | |
|       const struct sockaddr_dl *socAddr =
 | |
|           (const struct sockaddr_dl *)cursor->ifa_addr;
 | |
|       if ((cursor->ifa_addr->sa_family == AF_LINK) &&
 | |
|           (socAddr->sdl_type == IFT_ETHER) &&
 | |
|           strcmp(if_name.c_str(), cursor->ifa_name) == 0) {
 | |
|         dlAddr = (const struct sockaddr_dl *)cursor->ifa_addr;
 | |
|         const unsigned char *base =
 | |
|             (const unsigned char *)&dlAddr->sdl_data[dlAddr->sdl_nlen];
 | |
|         for (int i = 0; i < dlAddr->sdl_alen; i++) {
 | |
|           len += sprintf(mac_addr + len, "%.2X", base[i]);
 | |
|         }
 | |
|       }
 | |
|       cursor = cursor->ifa_next;
 | |
|     }
 | |
|     freeifaddrs(addrs);
 | |
|   }
 | |
| #elif __linux__
 | |
|   int sock = socket(AF_INET, SOCK_DGRAM, 0);
 | |
|   if (sock < 0) {
 | |
|     return "";
 | |
|   }
 | |
|   struct ifreq ifr;
 | |
|   struct ifconf ifc;
 | |
|   char buf[1024];
 | |
|   ifc.ifc_len = sizeof(buf);
 | |
|   ifc.ifc_buf = buf;
 | |
|   if (ioctl(sock, SIOCGIFCONF, &ifc) < 0) {
 | |
|     close(sock);
 | |
|     return "";
 | |
|   }
 | |
|   struct ifreq *it = ifc.ifc_req;
 | |
|   const struct ifreq *const end = it + (ifc.ifc_len / sizeof(struct ifreq));
 | |
|   for (; it != end; ++it) {
 | |
|     std::strcpy(ifr.ifr_name, it->ifr_name);
 | |
|     if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
 | |
|       continue;
 | |
|     }
 | |
|     if (ifr.ifr_flags & IFF_LOOPBACK) {
 | |
|       continue;
 | |
|     }
 | |
|     if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0) {
 | |
|       continue;
 | |
|     }
 | |
|     std::string mac_address;
 | |
|     for (int i = 0; i < 6; ++i) {
 | |
|       len += sprintf(mac_addr + len, "%.2X", ifr.ifr_hwaddr.sa_data[i] & 0xff);
 | |
|     }
 | |
|     break;
 | |
|   }
 | |
|   close(sock);
 | |
| #endif
 | |
|   return mac_addr;
 | |
| }
 | |
| 
 | |
| int BGRAToNV12FFmpeg(unsigned char *src_buffer, int width, int height,
 | |
|                      unsigned char *dst_buffer) {
 | |
|   AVFrame *Input_pFrame = av_frame_alloc();
 | |
|   AVFrame *Output_pFrame = av_frame_alloc();
 | |
|   struct SwsContext *img_convert_ctx =
 | |
|       sws_getContext(width, height, AV_PIX_FMT_BGRA, 1280, 720, AV_PIX_FMT_NV12,
 | |
|                      SWS_FAST_BILINEAR, nullptr, nullptr, nullptr);
 | |
| 
 | |
|   av_image_fill_arrays(Input_pFrame->data, Input_pFrame->linesize, src_buffer,
 | |
|                        AV_PIX_FMT_BGRA, width, height, 1);
 | |
|   av_image_fill_arrays(Output_pFrame->data, Output_pFrame->linesize, dst_buffer,
 | |
|                        AV_PIX_FMT_NV12, 1280, 720, 1);
 | |
| 
 | |
|   sws_scale(img_convert_ctx, (uint8_t const **)Input_pFrame->data,
 | |
|             Input_pFrame->linesize, 0, height, Output_pFrame->data,
 | |
|             Output_pFrame->linesize);
 | |
| 
 | |
|   if (Input_pFrame) av_free(Input_pFrame);
 | |
|   if (Output_pFrame) av_free(Output_pFrame);
 | |
|   if (img_convert_ctx) sws_freeContext(img_convert_ctx);
 | |
| 
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| int main() {
 | |
|   LOG_INFO("Remote desk");
 | |
|   std::string default_cfg_path = "../../../../config/config.ini";
 | |
|   std::ifstream f(default_cfg_path.c_str());
 | |
| 
 | |
|   Params params;
 | |
|   params.cfg_path = f.good() ? "../../../../config/config.ini" : "config.ini";
 | |
|   params.on_receive_video_buffer = ReceiveVideoBuffer;
 | |
|   params.on_receive_audio_buffer = ReceiveAudioBuffer;
 | |
|   params.on_receive_data_buffer = ReceiveDataBuffer;
 | |
|   params.on_connection_status = ConnectionStatus;
 | |
| 
 | |
|   std::string transmission_id = "000001";
 | |
|   char mac_addr[10];
 | |
|   GetMac(mac_addr);
 | |
| 
 | |
|   peer_server = CreatePeer(¶ms);
 | |
|   std::string server_user_id = "S-" + std::string(GetMac(mac_addr));
 | |
|   Init(peer_server, server_user_id.c_str());
 | |
| 
 | |
|   peer_client = CreatePeer(¶ms);
 | |
|   std::string client_user_id = "C-" + std::string(GetMac(mac_addr));
 | |
|   Init(peer_client, client_user_id.c_str());
 | |
| 
 | |
|   // Setup SDL
 | |
|   if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) !=
 | |
|       0) {
 | |
|     printf("Error: %s\n", SDL_GetError());
 | |
|     return -1;
 | |
|   }
 | |
| 
 | |
|   // From 2.0.18: Enable native IME.
 | |
| #ifdef SDL_HINT_IME_SHOW_UI
 | |
|   SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");
 | |
| #endif
 | |
| 
 | |
|   // Create window with SDL_Renderer graphics context
 | |
|   SDL_WindowFlags window_flags =
 | |
|       (SDL_WindowFlags)(SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
 | |
|   window = SDL_CreateWindow("Remote Desk", SDL_WINDOWPOS_CENTERED,
 | |
|                             SDL_WINDOWPOS_CENTERED, screen_w, screen_h,
 | |
|                             window_flags);
 | |
| 
 | |
|   // int new_screen_w = 0;
 | |
|   // int new_screen_h = 0;
 | |
|   // SDL_GetWindowSize(window, &new_screen_w, &new_screen_h);
 | |
| 
 | |
|   // if (new_screen_w != screen_w) {
 | |
|   //   screen_w = new_screen_w;
 | |
|   //   screen_h = new_screen_w * 9 / 16;
 | |
|   // } else if (new_screen_h != screen_h) {
 | |
|   //   screen_w = new_screen_h * 16 / 9;
 | |
|   //   screen_h = new_screen_h;
 | |
|   // }
 | |
|   // SDL_SetWindowSize(window, screen_w, screen_h);
 | |
| 
 | |
|   sdlRenderer = SDL_CreateRenderer(
 | |
|       window, -1, SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED);
 | |
|   if (sdlRenderer == nullptr) {
 | |
|     SDL_Log("Error creating SDL_Renderer!");
 | |
|     return 0;
 | |
|   }
 | |
| 
 | |
|   Uint32 pixformat = 0;
 | |
|   pixformat = SDL_PIXELFORMAT_NV12;
 | |
| 
 | |
|   sdlTexture = SDL_CreateTexture(sdlRenderer, pixformat,
 | |
|                                  SDL_TEXTUREACCESS_STREAMING, pixel_w, pixel_h);
 | |
| 
 | |
|   // Setup Dear ImGui context
 | |
|   IMGUI_CHECKVERSION();
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|   ImGui::CreateContext();
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|   ImGuiIO &io = ImGui::GetIO();
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| 
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|   io.ConfigFlags |=
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|       ImGuiConfigFlags_NavEnableKeyboard;  // Enable Keyboard Controls
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|   io.ConfigFlags |=
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|       ImGuiConfigFlags_NavEnableGamepad;  // Enable Gamepad Controls
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| 
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|   // Setup Dear ImGui style
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|   ImGui::StyleColorsDark();
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|   // ImGui::StyleColorsLight();
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| 
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|   // Setup Platform/Renderer backends
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|   ImGui_ImplSDL2_InitForSDLRenderer(window, sdlRenderer);
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|   ImGui_ImplSDLRenderer2_Init(sdlRenderer);
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| 
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|   // Our state
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|   bool show_demo_window = true;
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|   bool show_another_window = false;
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|   ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
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| 
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|   // Main loop
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|   bool done = false;
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|   while (!done) {
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|     // Start the Dear ImGui frame
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|     ImGui_ImplSDLRenderer2_NewFrame();
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|     ImGui_ImplSDL2_NewFrame();
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|     ImGui::NewFrame();
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| 
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|     {
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|       static float f = 0.0f;
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|       static int counter = 0;
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| 
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|       const ImGuiViewport *main_viewport = ImGui::GetMainViewport();
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|       ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Once);
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|       ImGui::SetNextWindowSize(ImVec2(180, 225));
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| 
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|       ImGui::Begin("Menu", nullptr, ImGuiWindowFlags_NoResize);
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| 
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|       {
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|         ImGui::Text("LOCAL ID: ");
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|         ImGui::SameLine();
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| 
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|         ImGui::Selectable(mac_addr, false,
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|                           ImGuiSelectableFlags_AllowDoubleClick);
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| 
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|         if (ImGui::IsItemHovered() && ImGui::IsMouseDoubleClicked(0)) {
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|           ImGui::SetClipboardText(mac_addr);
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|         }
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| 
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|         ImGui::Spacing();
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| 
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|         ImGui::Text("PASSWORD: ");
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|         ImGui::SameLine();
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|         ImGui::SetNextItemWidth(110);
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|         static char server_password[20] = "";
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|         ImGui::InputTextWithHint("server_password", "000001", server_password,
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|                                  IM_ARRAYSIZE(server_password),
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|                                  ImGuiInputTextFlags_AllowTabInput);
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| 
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|         ImGui::Spacing();
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|         {
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|           static bool online_button_pressed = false;
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|           static const char *online_label = "Online";
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| 
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|           if (ImGui::Button(online_label)) {
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|             std::string user_id = "S-" + std::string(GetMac(mac_addr));
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| 
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|             if (strcmp(online_label, "Online") == 0) {
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|               CreateConnection(peer_server, mac_addr, server_password);
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| 
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|               nv12_buffer = new char[NV12_BUFFER_SIZE];
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| #ifdef _WIN32
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|               screen_capture = new ScreenCaptureWgc();
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| 
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|               RECORD_DESKTOP_RECT rect;
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|               rect.left = 0;
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|               rect.top = 0;
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|               rect.right = GetSystemMetrics(SM_CXSCREEN);
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|               rect.bottom = GetSystemMetrics(SM_CYSCREEN);
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| 
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|               last_frame_time_ = std::chrono::high_resolution_clock::now();
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|               screen_capture->Init(
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|                   rect, 60,
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|                   [](unsigned char *data, int size, int width,
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|                      int height) -> void {
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|                     auto now_time = std::chrono::high_resolution_clock::now();
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|                     std::chrono::duration<double> duration =
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|                         now_time - last_frame_time_;
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|                     auto tc = duration.count() * 1000;
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| 
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|                     if (tc >= 0) {
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|                       BGRAToNV12FFmpeg(data, width, height,
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|                                        (unsigned char *)nv12_buffer);
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|                       SendData(peer_server, DATA_TYPE::VIDEO,
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|                                (const char *)nv12_buffer, NV12_BUFFER_SIZE);
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|                       // std::cout << "Send" << std::endl;
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|                       last_frame_time_ = now_time;
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|                     }
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|                   });
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| 
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|               screen_capture->Start();
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| 
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| #elif __linux__
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|               screen_capture = new ScreenCaptureX11();
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| 
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|               RECORD_DESKTOP_RECT rect;
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|               rect.left = 0;
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|               rect.top = 0;
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|               rect.right = 0;
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|               rect.bottom = 0;
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| 
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|               last_frame_time_ = std::chrono::high_resolution_clock::now();
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|               screen_capture->Init(
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|                   rect, 60,
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|                   [](unsigned char *data, int size, int width,
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|                      int height) -> void {
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|                     auto now_time = std::chrono::high_resolution_clock::now();
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|                     std::chrono::duration<double> duration =
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|                         now_time - last_frame_time_;
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|                     auto tc = duration.count() * 1000;
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| 
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|                     if (tc >= 0) {
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|                       SendData(peer_server, DATA_TYPE::VIDEO,
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|                                (const char *)data, NV12_BUFFER_SIZE);
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|                       last_frame_time_ = now_time;
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|                     }
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|                   });
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|               screen_capture->Start();
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| #endif
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|             } else {
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|               LeaveConnection(peer_server);
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|             }
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|             online_button_pressed = !online_button_pressed;
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|             online_label = online_button_pressed ? "Offline" : "Online";
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|           }
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|         }
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| 
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|         ImGui::Spacing();
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| 
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|         ImGui::Separator();
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| 
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|         ImGui::Spacing();
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|         {
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|           {
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|             static char remote_id[20] = "";
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|             if (strcmp(remote_id, "") == 0) {
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|               strcpy(remote_id, GetMac(mac_addr).c_str());
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|             }
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|             ImGui::Text("REMOTE ID:");
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|             ImGui::SameLine();
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|             ImGui::SetNextItemWidth(110);
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|             ImGui::InputTextWithHint("id_buf", "000002", remote_id,
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|                                      IM_ARRAYSIZE(remote_id),
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|                                      ImGuiInputTextFlags_AllowTabInput);
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| 
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|             ImGui::Spacing();
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| 
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|             ImGui::Text("PASSWORD: ");
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|             ImGui::SameLine();
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|             ImGui::SetNextItemWidth(110);
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|             static char client_password[20] = "";
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|             ImGui::InputTextWithHint("client_password", "000003",
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|                                      client_password,
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|                                      IM_ARRAYSIZE(client_password),
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|                                      ImGuiInputTextFlags_AllowTabInput);
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| 
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|             if (ImGui::Button(connect_label)) {
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|               if (strcmp(connect_label, "Connect") == 0 && !joined) {
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|                 std::string user_id = "C-" + std::string(GetMac(mac_addr));
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|                 JoinConnection(peer_client, remote_id, client_password);
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|                 joined = true;
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|               } else if (strcmp(connect_label, "Disconnect") == 0 && joined) {
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|                 LeaveConnection(peer_client);
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|                 joined = false;
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|               }
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| 
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|               connect_button_pressed = !connect_button_pressed;
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|               connect_label = connect_button_pressed ? "Disconnect" : "Connect";
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|             }
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|           }
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|         }
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|       }
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| 
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|       ImGui::Spacing();
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| 
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|       ImGui::Separator();
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| 
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|       ImGui::Spacing();
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| 
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|       {
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|         if (ImGui::Button("Fix ratio")) {
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|           SDL_GetWindowSize(window, &screen_w, &screen_h);
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| 
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|           if (screen_h != screen_w * 9 / 16) {
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|             screen_w = screen_h * 16 / 9;
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|           }
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| 
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|           SDL_SetWindowSize(window, screen_w, screen_h);
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|         }
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|       }
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| 
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|       ImGui::End();
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|     }
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| 
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|     // Rendering
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|     ImGui::Render();
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|     SDL_RenderSetScale(sdlRenderer, io.DisplayFramebufferScale.x,
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|                        io.DisplayFramebufferScale.y);
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| 
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|     SDL_Event event;
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|     while (SDL_PollEvent(&event)) {
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|       ImGui_ImplSDL2_ProcessEvent(&event);
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|       if (event.type == SDL_QUIT) {
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|         done = true;
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|       } else if (event.type == SDL_WINDOWEVENT &&
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|                  event.window.event == SDL_WINDOWEVENT_RESIZED) {
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|         SDL_GetWindowSize(window, &screen_w, &screen_h);
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|         SDL_SetWindowSize(window, screen_w, screen_h);
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|         // printf("Resize windows: %dx%d\n", screen_w, screen_h);
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|       } else if (event.type == SDL_WINDOWEVENT &&
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|                  event.window.event == SDL_WINDOWEVENT_CLOSE &&
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|                  event.window.windowID == SDL_GetWindowID(window)) {
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|         done = true;
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|       } else if (event.type == REFRESH_EVENT) {
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|         sdlRect.x = 0;
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|         sdlRect.y = 0;
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|         sdlRect.w = screen_w;
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|         sdlRect.h = screen_h;
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| 
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|         SDL_UpdateTexture(sdlTexture, NULL, dst_buffer, pixel_w);
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|         SDL_RenderClear(sdlRenderer);
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|         SDL_RenderCopy(sdlRenderer, sdlTexture, NULL, &sdlRect);
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|       } else {
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|         if (joined) {
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|           // ProcessMouseKeyEven(event);
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|         }
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|       }
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|     }
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| 
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|     if (!joined || !received_frame) {
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|       SDL_RenderClear(sdlRenderer);
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|       SDL_SetRenderDrawColor(
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|           sdlRenderer, (Uint8)(clear_color.x * 0), (Uint8)(clear_color.y * 0),
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|           (Uint8)(clear_color.z * 0), (Uint8)(clear_color.w * 0));
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|     }
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| 
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|     ImGui_ImplSDLRenderer2_RenderDrawData(ImGui::GetDrawData());
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|     SDL_RenderPresent(sdlRenderer);
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| 
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|     frame_count++;
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|     end_time = SDL_GetTicks();
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|     elapsed_time = end_time - start_time;
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|     if (elapsed_time >= 1000) {
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|       fps = frame_count / (elapsed_time / 1000);
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|       frame_count = 0;
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|       window_title = "Remote Desk Client FPS [" + std::to_string(fps) +
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|                      "] status [" + connection_status + "]";
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|       // For MacOS, UI frameworks can only be called from the main thread
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|       SDL_SetWindowTitle(window, window_title.c_str());
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|       start_time = end_time;
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|     }
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|   }
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| 
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|   // Cleanup
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|   ImGui_ImplSDLRenderer2_Shutdown();
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|   ImGui_ImplSDL2_Shutdown();
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|   ImGui::DestroyContext();
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| 
 | |
|   SDL_DestroyRenderer(sdlRenderer);
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|   SDL_DestroyWindow(window);
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|   SDL_Quit();
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| 
 | |
|   return 0;
 | |
| } |