public static VideoQuality ClassifyVideo(MediaInfo video)
{
if (CompareVideo(video, p1080))
return VideoQuality.p1080;
if (CompareVideo(video, p720))
return VideoQuality.p720;
if (CompareVideo(video, p480))
return VideoQuality.p480;
return VideoQuality.p360;
}
/// <summary>
/// Returns:
/// true: m1 better or equal m2,
/// false: m1 worse than m2
/// </summary>
/// <param name="m1"></param>
/// <param name="m2"></param>
/// <returns></returns>
public static bool CompareVideo(MediaInfo m1, MediaInfo m2)
{
if (m1.Video.Bitrate < m2.Video.Bitrate || m1.Video.Resolution.Heigth < m2.Video.Resolution.Heigth)
return false;
else
return true;
}
//todo: test - func may not finish when converting is in progress
public MediaInfo GetMediaInfo(string path)
{
var param = String.Format(" -show_streams -print_format json \"{0}\" ", path);
var mediaInfo = new MediaInfo();
try
{
var info = RunCommand(param);
dynamic data = Json.Decode(info);
foreach (var stream in data.streams)
{
if (stream.codec_type == "audio")
mediaInfo.Audio.HasAudio = true;
if (stream.codec_type == "video")
{
mediaInfo.Video.HasVideo = true;
mediaInfo.Video.Bitrate = int.Parse(stream.bit_rate)/1000;
mediaInfo.Video.Duration = Convert.ToDouble((string) stream.duration,
CultureInfo.InvariantCulture);
mediaInfo.Video.Resolution.Width = stream.width;
mediaInfo.Video.Resolution.Heigth = stream.height;
}
}
}
catch (Exception)
{
return mediaInfo;
}
return mediaInfo;
}
