static void InitForBusinessLogic()
{
//如果数据库文件不存在，则建立数据库文件
PornDatabase.CreateDatabase();
PornClassifier.Init();
FFMPEGWrapper.Init();
WechatForm.Init();
update_domain_list_timer = new System.Threading.Timer(PornDatabase.UpdateDatabase, null, new TimeSpan(0, 0, 5), new TimeSpan(4, 0, 0));
delete_history_timer = new System.Threading.Timer(PornDatabase.DeleteHistroy, null, new TimeSpan(0, 1, 0), System.Threading.Timeout.InfiniteTimeSpan);
}
public bool ClassifyVideoFile(string filename, out Exception excep)
{
log.Info("Classify Video File: " + filename);
FFMPEGWrapper ffmpeg = new FFMPEGWrapper();
if (!ffmpeg.Open(filename))
{
log.Info("Video File Cannot Open: " + filename);
excep = new Exception("Cannot Open File!");
ffmpeg.Dispose();
return(false);
}
log.Debug("Video File Opened: " + filename);
if (ffmpeg.FileInfo.nb_frames < MinFrames)
{
log.Info("Video File Short of Frames: " + filename + " frames: " + ffmpeg.FileInfo.nb_frames);;
ffmpeg.Dispose();
excep = new Exception("Video File Too Short");
return(false);
}
Int64 step = ffmpeg.FileInfo.duration / VideoSegments;
PornClassifier.ImageType [] types = new PornClassifier.ImageType[VideoSegments - 1];
int pornNum = 0;
for (Int64 ts = step; ts < ffmpeg.FileInfo.duration - step / 2; ts += step)
{
if (ffmpeg.ReadFrame(ts))
{
if (Instance.Classify(ffmpeg.FileInfo.pdata, ffmpeg.FileInfo.width, ffmpeg.FileInfo.height, ffmpeg.FileInfo.linesize)
== ImageType.P**n)
{
pornNum++;
}
}
}
ffmpeg.Dispose();
excep = null;
if (pornNum >= PornNumThd)
{
log.Info("P**n Video File: " + filename);
return(true);
}
else
{
return(false);
}
}