91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
#ifndef MPV_PLAYER_H_
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#define MPV_PLAYER_H_
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#include <Windows.h>
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#include <mpv/client.h>
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#include <atomic>
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#include <functional>
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#include <map>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <thread>
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#include <vector>
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#include <flutter/encodable_value.h>
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namespace mpv {
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// Wrapper for libmpv that handles initialization, commands, properties,
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// and event dispatching.
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class MpvPlayer {
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public:
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using EventCallback =
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std::function<void(const flutter::EncodableMap&)>;
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MpvPlayer();
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~MpvPlayer();
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// Initializes mpv and creates the video window.
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bool Initialize(HWND container, HWND flutter_window);
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// Disposes mpv and the video window.
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void Dispose();
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// Returns true if mpv is initialized.
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bool IsInitialized() const { return mpv_ != nullptr; }
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// Executes an mpv command.
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void Command(const std::vector<std::string>& args);
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// Sets an mpv property.
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void SetProperty(const std::string& name, const std::string& value);
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// Gets an mpv property.
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std::string GetProperty(const std::string& name);
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// Observes an mpv property for changes.
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void ObserveProperty(const std::string& name, const std::string& format);
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// Returns the mpv video window handle.
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HWND GetHwnd() const { return hwnd_; }
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// Updates the video window position.
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void SetRect(RECT rect, double device_pixel_ratio);
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// Shows or hides the video window.
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void SetVisible(bool visible);
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// Sets the event callback for property changes and events.
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void SetEventCallback(EventCallback callback);
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private:
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void StartEventLoop();
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void StopEventLoop();
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void EventLoop();
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void HandleMpvEvent(mpv_event* event);
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void SendPropertyChange(const char* name, mpv_node* data);
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void SendEvent(const std::string& name,
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const flutter::EncodableMap& data = {});
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mpv_handle* mpv_ = nullptr;
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HWND hwnd_ = nullptr;
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HWND container_ = nullptr;
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HWND flutter_window_ = nullptr;
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double device_pixel_ratio_ = 1.0;
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RECT rect_ = {0, 0, 0, 0};
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std::thread event_thread_;
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std::atomic<bool> running_{false};
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EventCallback event_callback_;
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std::mutex callback_mutex_;
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uint64_t next_reply_userdata_ = 1;
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std::map<std::string, uint64_t> observed_properties_;
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};
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} // namespace mpv
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#endif // MPV_PLAYER_H_
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