mirror of
https://github.com/kunkundi/crossdesk.git
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137 lines
4.5 KiB
C++
137 lines
4.5 KiB
C++
/*
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* @Author: DI JUNKUN
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* @Date: 2026-09-09
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* Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
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*/
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#ifndef _SESSION_DEVICE_MANAGER_H_
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#define _SESSION_DEVICE_MANAGER_H_
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#include <atomic>
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#include <chrono>
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#include <cstddef>
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#include <cstdint>
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#include <deque>
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#include <mutex>
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#include <string>
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#include <vector>
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#include <remote_action.h>
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#include "device_controller.h"
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#include "display_info.h"
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#include "speaker_capture_controller.h"
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struct SDL_AudioStream;
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namespace crossdesk {
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class GuiRuntime;
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class DeviceControllerFactory;
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class ScreenCapturerFactory;
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class ScreenCapturer;
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// Owns media capture/playback and remote input devices for the active GUI
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// session. GuiRuntime supplies application intent; this class handles device
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// creation, updates and teardown.
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class SessionDeviceManager {
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public:
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explicit SessionDeviceManager(GuiRuntime &owner);
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~SessionDeviceManager();
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void Initialize();
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void UpdateInteractions();
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// Call after changing the controller map. UpdateInteractions consumes this
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// notification on the UI thread before reading the map under its mutex.
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void OnControllerConnectionsChanged() {
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cursor_capture_dirty_.store(true, std::memory_order_relaxed);
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}
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void DestroyDevices();
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void DestroyFactories();
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int InitializeScreenCapturer();
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int StartScreenCapturer();
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int StopScreenCapturer();
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#ifdef _WIN32
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void ReleaseRemoteMouseButtons();
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#endif
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// Requests are asynchronous; Stop drains/revokes audio delivery before
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// returning so the connection peer can be destroyed safely.
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void StartSpeakerCapturer();
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void StopSpeakerCapturer();
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int StartMouseController();
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int StopMouseController();
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int StartKeyboardCapturer();
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int StopKeyboardCapturer();
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int InitializeAudioOutput();
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int DestroyAudioOutput();
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void PushAudio(const char *data, size_t size);
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bool SendKeyboardCommand(int key_code, bool is_down, uint32_t scan_code,
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bool extended);
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bool SendMouseCommand(const RemoteAction &action, int selected_display);
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int SwitchDisplay(int display_id);
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void ResetToInitialDisplay();
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// Snapshot of the capture displays. The UI thread refreshes the list every
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// tick while transport threads build host information and map mouse input
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// from it, so callers get a copy taken under the lock.
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std::vector<DisplayInfo> display_info_list() const;
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// The same snapshot in the wire's host information form.
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std::vector<HostDisplay> host_display_list() const;
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private:
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struct CapturedKeyboardInput {
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int key_code = 0;
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bool is_down = false;
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uint32_t scan_code = 0;
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bool extended = false;
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};
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void QueueCapturedKeyboardInput(int key_code, bool is_down,
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uint32_t scan_code, bool extended);
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void DrainCapturedKeyboardInput();
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void ClearCapturedKeyboardInput();
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bool ShouldSendCapturedFrame(std::chrono::steady_clock::time_point now,
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int fps);
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bool ShouldCaptureCursor() const;
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bool SyncDisplayInfo();
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void SetDisplayInfoList(std::vector<DisplayInfo> displays);
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void RecordCaptureCadence(std::chrono::steady_clock::time_point now, int fps,
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bool from_secure_desktop);
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GuiRuntime &owner_;
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SDL_AudioStream *output_stream_ = nullptr;
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ScreenCapturerFactory *screen_capturer_factory_ = nullptr;
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ScreenCapturer *screen_capturer_ = nullptr;
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std::atomic<bool> cursor_capture_dirty_{true};
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SpeakerCaptureController speaker_capture_;
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DeviceControllerFactory *device_controller_factory_ = nullptr;
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MouseController *mouse_controller_ = nullptr;
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KeyboardCapturer *keyboard_capturer_ = nullptr;
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// Guards display_info_list_ (UI thread writes, transport threads read).
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mutable std::mutex display_info_mutex_;
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std::vector<DisplayInfo> display_info_list_;
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size_t registered_display_stream_count_ = 0;
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std::deque<CapturedKeyboardInput> captured_keyboard_inputs_;
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std::mutex captured_keyboard_inputs_mutex_;
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std::chrono::steady_clock::time_point last_frame_time_{};
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std::chrono::steady_clock::time_point next_frame_deadline_{};
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std::mutex capture_metrics_mutex_;
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std::chrono::steady_clock::time_point capture_metrics_started_{};
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std::chrono::steady_clock::time_point last_capture_callback_{};
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uint64_t capture_callbacks_ = 0, capture_rate_drops_ = 0;
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uint64_t capture_secure_callbacks_ = 0;
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uint64_t capture_forwarded_ = 0, capture_send_errors_ = 0;
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int64_t capture_max_gap_us_ = 0;
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int64_t capture_send_us_ = 0, capture_max_send_us_ = 0;
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std::string last_video_frame_stream_id_;
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bool invalid_video_stream_id_logged_ = false;
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};
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} // namespace crossdesk
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#endif
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