/// <summary>
/// Gets basic information about file using specified library instance.
/// </summary>
/// <param name="mediaInfoLibrary"></param>
/// <param name="fileName"></param>
/// <returns></returns>
public static BasicVideoInformation GetBasicVideoInfo(MediaInfoLibrary mediaInfoLibrary, string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
if (!File.Exists(fileName))
{
throw new FileNotFoundException("File not found.", fileName);
}
//
BasicVideoInformation res;
//
mediaInfoLibrary.OpenFile(fileName);
//
res.FileName = fileName;
//
string fileSizeString = mediaInfoLibrary.Get(StreamKind.General, 0, "FileSize");
res.FileSize = String.IsNullOrEmpty(fileSizeString) ? 0 : Convert.ToInt32(fileSizeString);
//
string durationString = mediaInfoLibrary.Get(StreamKind.General, 0, "Duration");
res.DurationMilliseconds = String.IsNullOrEmpty(durationString) ? 0 : Convert.ToInt32(durationString);
//
res.VideoFormat = mediaInfoLibrary.Get(StreamKind.General, 0, "Format") ?? String.Empty;
res.VideoCodec = mediaInfoLibrary.Get(StreamKind.Video, 0, "Codec") ?? String.Empty;
res.AudioCodec = mediaInfoLibrary.Get(StreamKind.Audio, 0, "Codec") ?? String.Empty;
//
string widthStr = mediaInfoLibrary.Get(StreamKind.Video, 0, "Width");
res.Width = string.IsNullOrEmpty(widthStr) ? 0 : Convert.ToInt32(widthStr);
//
string heightStr = mediaInfoLibrary.Get(StreamKind.Video, 0, "Height");
res.Height = string.IsNullOrEmpty(heightStr) ? 0 : Convert.ToInt32(heightStr);
//
string bitrateStr = mediaInfoLibrary.Get(StreamKind.Video, 0, "BitRate");
res.Bitrate = string.IsNullOrEmpty(bitrateStr) ? 0 : Convert.ToInt32(bitrateStr);
//
string fpsStr = mediaInfoLibrary.Get(StreamKind.Video, 0, "FrameRate");
res.Fps = string.IsNullOrEmpty(fpsStr) ? 0d : Convert.ToDouble(fpsStr.Replace('.', ','));
//
mediaInfoLibrary.CloseFile();
//
return(res);
}
/// <summary>
/// Gets basic information about file using appropriate library instance.
/// Library will be unloaded after execution.
/// </summary>
/// <param name="fileName">Full path to the file.</param>
public static BasicVideoInformation GetBasicVideoInfo(string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
if (!File.Exists(fileName))
{
throw new FileNotFoundException("File not found.", fileName);
}
//
if (information.ContainsKey(fileName))
{
KeyValuePair <DateTime, BasicVideoInformation> pair = information[fileName];
DateTime time = File.GetLastWriteTimeUtc(fileName);
if (pair.Key == time)
{
return(pair.Value);
}
else
{
information.Remove(fileName);
}
}
//
BasicVideoInformation res;
//
DateTime utc = File.GetLastWriteTimeUtc(fileName);
using (MediaInfoLibrary mediaInfoLibrary = new MediaInfoLibrary()) {
mediaInfoLibrary.OpenFile(fileName);
//
res.FileName = fileName;
//
string fileSizeString = mediaInfoLibrary.Get(StreamKind.General, 0, "FileSize");
res.FileSize = String.IsNullOrEmpty(fileSizeString) ? 0 : Convert.ToInt32(fileSizeString);
//
string durationString = mediaInfoLibrary.Get(StreamKind.General, 0, "Duration");
res.DurationMilliseconds = String.IsNullOrEmpty(durationString) ? 0 : Convert.ToInt32(durationString);
//
res.VideoFormat = mediaInfoLibrary.Get(StreamKind.General, 0, "Format") ?? String.Empty;
res.VideoCodec = mediaInfoLibrary.Get(StreamKind.Video, 0, "Codec") ?? String.Empty;
res.AudioCodec = mediaInfoLibrary.Get(StreamKind.Audio, 0, "Codec") ?? String.Empty;
//
string widthStr = mediaInfoLibrary.Get(StreamKind.Video, 0, "Width");
res.Width = string.IsNullOrEmpty(widthStr) ? 0 : Convert.ToInt32(widthStr);
//
string heightStr = mediaInfoLibrary.Get(StreamKind.Video, 0, "Height");
res.Height = string.IsNullOrEmpty(heightStr) ? 0 : Convert.ToInt32(heightStr);
//
string bitrateStr = mediaInfoLibrary.Get(StreamKind.Video, 0, "BitRate");
res.Bitrate = string.IsNullOrEmpty(bitrateStr) ? 0 : Convert.ToInt32(bitrateStr);
//
string fpsStr = mediaInfoLibrary.Get(StreamKind.Video, 0, "FrameRate");
res.Fps = string.IsNullOrEmpty(fpsStr) ? 0d : Convert.ToDouble(fpsStr.Replace('.', ','));
//
mediaInfoLibrary.CloseFile();
}
//
information.Add(fileName, new KeyValuePair <DateTime, BasicVideoInformation>(utc, res));
return(res);
}
