public FFProbe()
{
FfProbeHelper.RootExceptionCheck(ConfiguredRoot);
var target = Environment.Is64BitProcess ? "x64" : "x86";
_ffprobePath = ConfiguredRoot + $"\\{target}\\ffprobe.exe";
}
/// <summary>
/// Probes the targeted video file and retrieves all available details.
/// </summary>
/// <param name="info">Source video file.</param>
/// <returns>A video info object containing all details necessary.</returns>
public VideoInfo ParseVideoInfo(VideoInfo info)
{
var jsonOutput =
RunProcess($"-v quiet -print_format json -show_streams \"{info.FullName}\"");
var dict =
new JavaScriptSerializer().Deserialize <Dictionary <string, dynamic> >(jsonOutput);
int vid = dict["streams"][0]["codec_type"] == "video" ? 0 : 1,
aud = 1 - vid;
// Get video duration
double numberData = 0;
try
{
numberData = double.Parse(dict["streams"][vid]["duration"]);
info.Duration = TimeSpan.FromSeconds(numberData);
info.Duration = info.Duration.Subtract(TimeSpan.FromMilliseconds(info.Duration.Milliseconds));
}
catch (Exception)
{
info.Duration = TimeSpan.MinValue;
}
// Get video size in megabytes
double videoSize = 0,
audioSize = 0;
try
{
info.VideoFormat = dict["streams"][vid]["codec_name"];
videoSize = double.Parse(dict["streams"][vid]["bit_rate"]) * numberData / 8388608;
}
catch (Exception)
{
info.VideoFormat = "none";
}
// Get audio format - wrap for exceptions if the video has no audio
try
{
info.AudioFormat = dict["streams"][aud]["codec_name"];
audioSize = double.Parse(dict["streams"][aud]["bit_rate"]) *
double.Parse(dict["streams"][aud]["duration"]) / 8388608;
}
catch (Exception)
{
info.AudioFormat = "none";
}
// Get video format
// Get video width
info.Width = dict["streams"][vid]["width"];
// Get video height
info.Height = dict["streams"][vid]["height"];
info.Size = Math.Round(videoSize + audioSize, 2);
// Get video aspect ratio
var cd = FfProbeHelper.Gcd(info.Width, info.Height);
info.Ratio = info.Width / cd + ":" + info.Height / cd;
// Get video framerate
var fr = ((string)dict["streams"][vid]["r_frame_rate"]).Split('/');
info.FrameRate = Math.Round(double.Parse(fr[0]) / double.Parse(fr[1]), 3);
return(info);
}
