/// <summary>
/// Shows the dialog if necessary and returns a new playback position in milliseconds.
/// </summary>
/// <param name="videoFileStatistic">A VideoFileStatistic class instance to be used to initialize the dialog from.</param>
/// <returns>A playback position in milliseconds.</returns>
public static long Execute(VideoFileStatistic videoFileStatistic)
{
// if the saved playback position is zero or more than 99 percent was played last time just return 0..
// decrease 5 seconds from the position for "a human/a media consuming entity" to catch/remember something of the previous moment..
if (videoFileStatistic.Position - 5000 <= 0 || videoFileStatistic.PlayBackPercentage >= 99.0)
{
return(0);
}
// the given VideoFileStatistic class instance requires the dialog to be shown.. so create a SelectPlaybackPositionDialog..
FormDialogSelectPlaybackPosition selectPlaybackPositionDialog = new FormDialogSelectPlaybackPosition();
// a N value of a milliseconds to ticks (100-nanosecond units) = multiply by 100 * 100..
TimeSpan timeSpan = new TimeSpan(videoFileStatistic.Position * 100 * 100);
// give the statistics for the form..
// .. and decrease 5 seconds from the position for "a human/a media consuming entity" to catch/remember something of the previous moment..
selectPlaybackPositionDialog.Tag = videoFileStatistic.Position - 5000;
// set the playback position for to the button "Continue playback from position N"..
selectPlaybackPositionDialog.btContinue.Text =
string.Format(selectPlaybackPositionDialog.btContinue.Tag.ToString(), timeSpan.ToString(@"hh\:mm\:ss"));
// show the dialog..
selectPlaybackPositionDialog.ShowDialog();
// return the playback position the user selected by
return(selectPlaybackPositionDialog.returnPlaybackPosition);
}
volatile bool statisticsLoaded = false; // to indicate that the video statistics were loaded from the database
// END: These are valid parameters for the VlcControl.SetMedia() method overloads..
/// <summary>
/// Initialize the VlcControl with a FileInfo class instance.
/// </summary>
/// <param name="file">A FileInfo class instance to initialize the VlcControl with.</param>
/// <param name="formPlayer">An instance of the FormPlayer class if one was created.</param>
/// <param name="options">These are "command line arguments" given to the VlcControl as with the VLC Media Player.</param>
/// <returns>True if the VlcControl.SetMedia() call was successful, otherwise false (an exception occurred).</returns>
public static bool InitPlayerForm(FileInfo file, out FormPlayer formPlayer, params string[] options)
{
try
{
// create a new instance of the FormPlayer form..
FormPlayer frm = new FormPlayer
{
// set the form's statistic field's value with value gotten
// from the database with the file's full name..
statistic = Database.GetStatistic(file.FullName)
};
// execute a playback dialog if the video was not watched to the end..
long position = FormDialogSelectPlaybackPosition.Execute(frm.statistic);
frm.statistic.Position = position; // give a playback position to the video playback form..
frm.statisticsLoaded = true; // indicate to the form that the video file statistics have been loaded..
frm.options = options;
frm.file = file;
formPlayer = frm; // set the out parameter's value..
frm.Show();
return(true);
}
catch (Exception ex)
{
// log the exception..
ExceptionLogger.LogError(ex);
formPlayer = null; // set the out parameter's value..
return(false);
}
}
