video_player.h

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#ifndef VIDEO_PLAYER_OVERLAY_H
#define VIDEO_PLAYER_OVERLAY_H
 
#ifdef Q_OS_WINDOWS
#include <windows.h>
#include <dwmapi.h>
#pragma comment(lib, "dwmapi.lib")
#endif
 
#include <QDialog>
 
class VideoDecoder;
class CyberSlider;
class CyberPushButton;
class QLabel;
class TranslationManager;

class VideoPlayer final : public QDialog {
    Q_OBJECT
    Q_PROPERTY(double scanlineOpacity READ GetScanlineOpacity WRITE SetScanlineOpacity)
    Q_PROPERTY(double gridOpacity READ GetGridOpacity WRITE SetGridOpacity)
 
public:
    explicit VideoPlayer(const QByteArray &video_data, const QString &mime_type, QWidget *parent = nullptr);

    ~VideoPlayer() override;

    void ReleaseResources();

    [[nodiscard]] double GetScanlineOpacity() const { return scanline_opacity_; }

    void SetScanlineOpacity(const double opacity) {
        scanline_opacity_ = opacity;
        update();
    }

    [[nodiscard]] double GetGridOpacity() const { return grid_opacity_; }

    void SetGridOpacity(const double opacity) {
        grid_opacity_ = opacity;
        update();
    }
 
protected:
    void paintEvent(QPaintEvent *event) override;

    void closeEvent(QCloseEvent *event) override;
 
private slots:
    void InitializePlayer();

    void TogglePlayback();

    void OnSliderPressed();

    void OnSliderReleased();

    void UpdateTimeLabel(int position) const;

    void UpdateSliderPosition(double position) const;

    void SeekVideo(int position) const;

    void UpdateFrame(const QImage &frame);

    void UpdateUI();

    void HandleError(const QString &message) const;

    void HandleVideoInfo(int width, int height, double fps, double duration);

    void AdjustVolume(int volume) const;

    void ToggleMute();

    void UpdateVolumeIcon(float volume) const;

    void TriggerGlitch();
 
private:
    QLabel *video_label_;
    CyberPushButton *play_button_;
    CyberSlider *progress_slider_;
    QLabel *time_label_;
    CyberPushButton *volume_button_;
    CyberSlider *volume_slider_;
    QLabel *status_label_;
    QLabel *codec_label_;
    QLabel *resolution_label_;
    QLabel *bitrate_label_;
    QLabel *fps_label_;

    std::shared_ptr<VideoDecoder> decoder_;
    QTimer *update_timer_;
    QTimer *glitch_timer_;

    QByteArray video_data_;

    int video_width_ = 0;
    int video_height_ = 0;
    double video_duration_ = 0;
    bool slider_dragging_ = false;
    int last_volume_ = 100;
    bool playback_finished_ = false;
    bool was_playing_ = false;
    QImage thumbnail_frame_;

    double scanline_opacity_;
    double grid_opacity_;
    bool show_hud_ = false;
    int frame_counter_ = 0;
    bool playback_started_ = false;
    double current_glitch_intensity_ = 0.0;
    double video_fps_ = 60.0; // Default FPS
    TranslationManager *translator_ = nullptr;
};
 
#endif //VIDEO_PLAYER_OVERLAY_H