public static VideoInfo TryReadVideoInfoViaAviHeader(string fileName)
{
var info = new VideoInfo {
Success = false
};
try
{
using (var rp = new RiffParser())
{
if (rp.TryOpenFile(fileName) && rp.FileType == RiffParser.CkidAvi)
{
var dh = new RiffDecodeHeader(rp);
dh.ProcessMainAvi();
info.FileType = RiffParser.FromFourCc(rp.FileType);
info.Width = dh.Width;
info.Height = dh.Height;
info.FramesPerSecond = dh.FrameRate;
info.TotalFrames = dh.TotalFrames;
info.TotalMilliseconds = dh.TotalMilliseconds;
info.TotalSeconds = info.TotalMilliseconds / TimeCode.BaseUnit;
info.VideoCodec = dh.VideoHandler;
info.Success = true;
}
}
}
catch
{
// ignored
}
return(info);
}