public VideoConversion(VideoConversionSettings settings)
{
this.Settings = settings;
this.Settings.ID = Guid.NewGuid();
//check if the resolution is provided otherwise we will use the original WxH
if (settings.Width == 0 && settings.Height == 0)
{
if (File.Exists(settings.SourcePath))
{
var output = Helper.GetVideoInfo(settings.SourcePath);
settings.Height = output.Height;
settings.Width = output.Width;
}
else
{
//The file do not exists
//To do: log this error in to the database.
}
}
}
public static VideoConversionSettings GetVideoInfo(string sourcePath)
{
if (string.IsNullOrEmpty(sourcePath))
{
return(null);
}
var video = new VideoConversionSettings();
//set up the parameters for video info
string output = ProcessVideo(string.Format("-i {0}", sourcePath));
//get duration
Regex re = new Regex("[D|d]uration:.((\\d|:|\\.)*)");
Match m = re.Match(output);
if (m.Success)
{
string duration = m.Groups[1].Value;
string[] timepieces = duration.Split(new char[] { ':', '.' });
if (timepieces.Length == 4)
{
video.Duration = new TimeSpan(0, System.Convert.ToInt16(timepieces[0]), System.Convert.ToInt16(timepieces[1]), System.Convert.ToInt16(timepieces[2]), System.Convert.ToInt16(timepieces[3]));
}
}
//get audio bit rate
re = new Regex("[B|b]itrate:.((\\d|:)*)");
m = re.Match(output);
decimal kb = 0;
if (m.Success)
{
decimal.TryParse(m.Groups[1].Value, out kb);
}
video.AudioBitrate = kb;
//get the audio format
re = new Regex("[A|a]udio:.*");
m = re.Match(output);
if (m.Success)
{
video.AudioFormat = m.Value;
}
//get the video format
re = new Regex("[V|v]ideo:.*");
m = re.Match(output);
if (m.Success)
{
video.VideoFormat = m.Value;
}
//get the video format
re = new Regex("(\\d{2,3})x(\\d{2,3})");
m = re.Match(output);
if (m.Success)
{
int width = 0; int height = 0;
int.TryParse(m.Groups[1].Value, out width);
int.TryParse(m.Groups[2].Value, out height);
video.Height = height;
video.Width = width;
}
return(video);
}
