{

public:

VideoTask(QString a, QString b, QFileInfo c, AVPlayer* d) : Task(a, b, c), video(d)

{

taskType = a;

taskName = b;

taskInfo = c;

timeSlider = 0;

volumeSlider = 0;

taskProgress = 0;

isFinished = false;

}

~VideoTask()

{

record();

}

AVPlayer::State getState(){ return video ? video->state() : AVPlayer::StoppedState; }

qint64 size(){ return taskInfo.size(); }

void start(){ if (getState() != AVPlayer::PlayingState) video->play(); }

void pause(){ if (getState() == AVPlayer::PlayingState) video->pause(); }

void stop(){ if (getState() != AVPlayer::StoppedState) video->pause(); }

void record()

{

QFile file("task.log");

if (!file.open(QIODevice::ReadWrite | QIODevice::Append)) return;

QTextStream in(&file);

QString str = QString::fromLocal8Bit("任务创建时间: ") + taskTime.toString()

+ QString::fromLocal8Bit("\n文件绝对路径: ") + taskInfo.absoluteFilePath()

+ QString::fromLocal8Bit("\n文件大小：") + QString::number(taskInfo.size())

+ QString::fromLocal8Bit("\n信号：") + taskName;

in << str << "\n";

file.close();

}

void setState()

{

if (getState() == AVPlayer::PlayingState)video->pause();

else video->play();

}

public:

AVPlayer* video;

QSlider* timeSlider;

QSlider* volumeSlider;