/// <summary>
/// Computes Crc64 Hash
/// </summary>
/// <param name="rawData"></param>
/// <returns></returns>
/// <exception cref="ArgumentNullException"></exception>
public static string ComputeCrc64IsoHash(string rawData)
{
_ = rawData ?? throw new ArgumentNullException(nameof(rawData));
using var cr64 = Crc64Iso.Create();
return(cr64.GenerateHashString(rawData));
}
public HashReadStream(Stream strm, bool Appendhash, long filelen, int cancellreadafterms = 0, bool closestrm = true)
{
CloseStream = closestrm;
FileLength = filelen > 0 ? filelen : strm.Length;
crc64 = new Crc64Iso();
stream = strm;
ReadBytes = 0;
Append = Appendhash;
if (cancellreadafterms > 0)
{
TimeOut = cancellreadafterms;
TokenSource = new CancellationTokenSource(TimeOut);
}
}
/* CRC */
private static byte[] CalculateCRC(string chksmFile)
{
List <byte> checksum = new List <byte>();
var crc64 = new Crc64Iso();
using (FileStream fs = File.Open(chksmFile, FileMode.Open))
{
foreach (byte b in crc64.ComputeHash(fs))
{
checksum.Add(b);
}
}
return(checksum.ToArray());
}
private void getMissingVideoFiles(List <FileInfo> _rawVideoList)
{
var presentVideoFiles = new List <string>();
var crc64 = new Crc64Iso();
using (var connection = new SQLiteConnection(ConfigurationManager.ConnectionStrings["Primary"].ToString()))
{
connection.Open();
using (var command = connection.CreateCommand())
{
command.CommandText = "Select distinct [File_Path] From [VideoRecords] Where [Deleted] = 0;";
using (var reader = command.ExecuteReader())
while (reader.Read())
{
presentVideoFiles.Add(reader.GetString(0));
}
}
}
foreach (var file in _rawVideoList)
{
if (!presentVideoFiles.Contains(file.FullName))
{
//string hash = string.Empty;
//using (var fs = File.Open(file.FullName, FileMode.Open))
// foreach (var b in crc64.ComputeHash(fs))
// hash += b.ToString("x2").ToLower();
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() => {
MissingVideoFiles.Add(new MissingVideoFile(file));
}));
}
}
}
public void IsoStaticDefaultSeedAndPolynomialWithShortAsciiString()
{
var actual = Crc64Iso.Compute(SimpleBytesAscii);
Assert.Equal(0x7e210eb1b03e5a1dUL, actual);
}
public void IsoStaticDefaultSeedAndPolynomialWithShortAsciiString2()
{
var actual = Crc64Iso.Compute(SimpleBytes2Ascii);
Assert.Equal(0x416b4150508661eeUL, actual);
}
public void IsoStaticDefaultSeedAndPolynomialWithShortAsciiString()
{
var actual = Crc64Iso.Compute(SimpleBytesAscii);
Assert.AreEqual(0x7E210EB1B03E5A1D, actual);
}
public VideoDetailsPageViewModel(string _path) : this()
{
vid = Guid.NewGuid().ToString();
VideoAccesser.CreateNewRecord(vid);
EditMode.Value = true;
var fileInfo = new FileInfo(_path);
var mediaInfo = MediaAccessor.GetMetaData(_path);
VideoAccesser.UpdateScore(vid, -1);
VideoAccesser.UpdateFavorite(vid, false);
VideoAccesser.UpdateIntensity(vid, "N/A");
VideoAccesser.UpdateAlias(vid, fileInfo.Name);
Alias.Value = fileInfo.Name;
VideoAccesser.UpdateSeries(vid, fileInfo.DirectoryName);
Series.Value = fileInfo.DirectoryName;
VideoAccesser.UpdateDuration(vid, mediaInfo.Metadata.Duration);
Duration.Value = mediaInfo.Metadata.Duration.ToString(@"mm\:ss");
Bitrate.Value = Math.Round(fileInfo.Length / mediaInfo.Metadata.Duration.TotalSeconds).ToString() + "bps";
VideoAccesser.UpdateResolution(vid, mediaInfo.Metadata.VideoData.FrameSize);
Frame.Value = mediaInfo.Metadata.VideoData.FrameSize;
VideoAccesser.UpdateFormat(vid, mediaInfo.Metadata.VideoData.Format);
Format.Value = mediaInfo.Metadata.VideoData.Format;
VideoAccesser.UpdateFilePath(vid, fileInfo.FullName);
FilePath.Value = fileInfo.FullName;
VideoAccesser.UpdateFileName(vid, fileInfo.Name);
FileName.Value = fileInfo.Name;
VideoAccesser.UpdateFileExtention(vid, fileInfo.Extension);
Extention.Value = fileInfo.Extension;
VideoAccesser.UpdateFileSize(vid, fileInfo.Length);
FileSize.Value = Math.Round(fileInfo.Length / 1048576d, 1).ToString() + "MB";
ScoreUI = new ScoreEntity();
IntensityUI = new IntensityEntity();
DurationUI = new DurationEntity(mediaInfo.Metadata.Duration);
LoadingIndicatorVisibility.Value = Visibility.Visible;
Task.Factory.StartNew(new Action(() => {
BitmapSource result = MediaAccessor.CreateGridScreenlist(mediaInfo, LoadingIndicatorCurrent, LoadingIndicatorMax);
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() => { Screenlist.Value = result; }));
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() => { LoadingIndicatorVisibility.Value = Visibility.Hidden; }));
var crc64 = new Crc64Iso();
string hash = string.Empty;
using (var fs = File.Open(fileInfo.FullName, FileMode.Open))
foreach (var b in crc64.ComputeHash(fs))
{
hash += b.ToString("x2").ToLower();
}
VideoAccesser.UpdateChecksum(vid, hash);
}));
Icon.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { VideoAccesser.UpdateIcon(vid, Icon.Value); };
Playlist.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { throw new NotImplementedException(); };
Favorite.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { VideoAccesser.UpdateFavorite(vid, Favorite.Value); };
ScoreUI.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { VideoAccesser.UpdateScore(vid, ScoreUI.Score.Value); };
IntensityUI.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { VideoAccesser.UpdateIntensity(vid, IntensityUI.Intensity.Value); };
VideoTags.Entities.ListChanged += (object o, ListChangedEventArgs e) => {
if (e.ListChangedType == ListChangedType.ItemChanged)
{
var collection = (BindingList <TagEntityBase>)o;
var tag = (TagEntity)collection[e.NewIndex];
VideoAccesser.UpsertTag(vid, tag.Text, tag.Intensity, tag.Deleted);
}
};
Alias.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { VideoAccesser.UpdateAlias(vid, Alias.Value); };
Series.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { VideoAccesser.UpdateSeries(vid, Series.Value); };
Alt_Alias.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { VideoAccesser.UpdateAltAlias(vid, Alt_Alias.Value); };
Alt_Series.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { VideoAccesser.UpdateAltSeries(vid, Alt_Series.Value); };
Screenlist.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { VideoAccesser.UpsertScreenlist(vid, Screenlist.Value); };
}
public HashWriteStream(Stream strm, long filelen)
{
crc64 = new Crc64Iso();
stream = strm;
FileLength = filelen;
}
