RecordControlApplication/Channel.h

#ifndef CHANNEL_H
#define CHANNEL_H

#include "Link.h"
#include <QObject>
#include <QTimer>

class Channel : public QObject {
    Q_OBJECT
public:
    enum PlaybackState {
        Stop,
        Playback,
        Pause,
        Error
    };
    explicit Channel(QObject* parent = nullptr);
    void init();

    QString channelName;

    LinkObject* videoInput;
    LinkObject* videoEncoder;
    QVariantMap videoEncoderParams;
    LinkObject* videoOutput;

    static LinkObject* audioInput;
    static LinkObject* audioOutput;
    LinkObject* audioEncoder;
    QVariantMap audioEncoderParams;

    LinkObject* overlay;

    LinkObject* record;
    LinkObject* snap;
    // 单个视频时长
    int duration = 1 * 60 * 1000;
    bool isRecord = false;

    LinkObject* file;
    LinkObject* image;
    LinkObject* videoDecoder;
    LinkObject* audioDecoder;
    PlaybackState state = Stop;

    static LinkObject* rtspServer;
    LinkObject* rtsp;
    QString pushCode;

    void startRecord();
    void stopRecord();

    int playbackDuration = 0;
    bool startPlayback(QString path);
    void forward();
    void back();
    void togglePause();

    void startPlayLive();

signals:
    void playEnd();
    void showRecordState(bool state);

private slots:
    void onTimeout();

private:
    // 用于分段录制的计时器
    QTimer* timer;

private:
    bool isMountDisk();
};

#endif // CHANNEL_H