event.h

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// SPDX-License-Identifier: AGPL-3.0-or-later
 
#ifndef __EVENT_H
#define __EVENT_H
 
#include <variant>
#include <vdr/tools.h>
 
enum BufferUnderrunType {
    VIDEO,
    AUDIO,
};
 
enum PipState {
    PIPSTART,
    PIPSTOP,
    PIPTOGGLE,
    PIPCHANUP,
    PIPCHANDOWN,
    PIPCHANSWAP,
    PIPSIZECHANGE,
    PIPSWAPPOSITION
};
 
struct PlayEvent {};
struct PauseEvent {};
struct StopEvent {};
struct TrickSpeedEvent {
    double speed;
    bool active;
    bool forward;
};
struct StillPictureEvent {
    const uchar *data;
    int size;
};
struct DetachEvent {};
struct AttachEvent {};
struct BufferUnderrunEvent {
    BufferUnderrunType type;
};
struct BufferingThresholdReachedEvent {};
struct PipEvent {
    PipState state;
};
struct ScheduleResyncAtPtsMsEvent {
    int64_t pts;
};
struct ResyncEvent {};
 
using Event = std::variant<
    PlayEvent,
    PauseEvent,
    StopEvent,
    TrickSpeedEvent,
    StillPictureEvent,
    DetachEvent,
    AttachEvent,
    BufferUnderrunEvent,
    BufferingThresholdReachedEvent,
    PipEvent,
    ScheduleResyncAtPtsMsEvent,
    ResyncEvent
>;
 
class IEventReceiver {
public:
    virtual void OnEventReceived(const Event&) = 0;
};
 
#endif