public MediaProperties GetProperties(string videoPath)
{
var videoProperties = new MediaProperties();
ProbeModel.Stream[] streams = GetStream(videoPath);
ProbeModel.Stream videoStream = streams[0];
ProbeModel.Stream audioStream = streams[1];
FormatModel.Format format = GetFormat(videoPath);
videoProperties.Size = long.Parse(format.size);
if (videoStream != null)
{
videoProperties.VideoFormat = videoStream.codec_name;
videoProperties.VideoDuration = GetVideoDuration(format, videoStream);
videoProperties.Width = videoStream.width;
videoProperties.Height = videoStream.height;
videoProperties.FrameRate = GetVideoFramerate(videoStream);
videoProperties.Ratio = GetVideoAspectRatio(videoProperties.Width, videoProperties.Height);
}
if (audioStream != null)
{
videoProperties.AudioFormat = audioStream.codec_name;
videoProperties.AudioDuration = GetAudioDuration(audioStream);
}
videoProperties.Duration = TimeSpan.FromSeconds(Math.Max(videoProperties.VideoDuration.TotalSeconds, videoProperties.AudioDuration.TotalSeconds));
return(videoProperties);
}
private TimeSpan GetVideoDuration(ProbeModel.Stream video, FormatModel.Format format)
{
double duration = video.duration > 0.01 ? video.duration : format.duration;
TimeSpan videoDuration = TimeSpan.FromSeconds(duration);
return(videoDuration);
}
private TimeSpan GetAudioDuration(ProbeModel.Stream audio)
{
double duration = audio.duration;
TimeSpan audioDuration = TimeSpan.FromSeconds(duration);
return(audioDuration);
}
private TimeSpan GetAudioDuration(ProbeModel.Stream audio)
{
double duration = audio.duration;
TimeSpan audioDuration = TimeSpan.FromSeconds(duration);
audioDuration = audioDuration.Subtract(TimeSpan.FromMilliseconds(audioDuration.Milliseconds));
return(audioDuration);
}
private TimeSpan GetVideoDuration(FormatModel.Format format, ProbeModel.Stream video)
{
video.duration = format.duration;
// ReSharper disable once CompareOfFloatsByEqualityOperator
video.bit_rate = format.bitRate == 0 ? video.bit_rate : format.bitRate;
double duration = video.duration;
TimeSpan videoDuration = TimeSpan.FromSeconds(duration);
videoDuration = videoDuration.Subtract(TimeSpan.FromMilliseconds(videoDuration.Milliseconds));
return(videoDuration);
}
private double GetVideoFramerate(ProbeModel.Stream vid)
{
long frameCount = GetFrameCount(vid);
double duration = vid.duration;
string[] fr = vid.r_frame_rate.Split('/');
if (frameCount > 0)
{
return(Math.Round(frameCount / duration, 3));
}
else
{
return(Math.Round(double.Parse(fr[0]) / double.Parse(fr[1]), 3));
}
}
private double GetVideoFramerate(ProbeModel.Stream vid)
{
string[] fr = vid.r_frame_rate.Split('/');
return(Math.Round(double.Parse(fr[0]) / double.Parse(fr[1]), 3));
}
private long GetFrameCount(ProbeModel.Stream vid)
{
long frameCount = 0;
return(long.TryParse(vid.nb_frames, out frameCount) ? frameCount : 0);
}
