private static decimal GetDurationOfMediaFile(string filePath)
{
var inputFile = new MediaFile {Filename = filePath};
using (var engine = new Engine())
engine.GetMetadata(inputFile);
var durationOfMediaFile = inputFile.Metadata.Duration.TotalMilliseconds;
return Convert.ToDecimal(durationOfMediaFile);
}
private void OpenVideoFile(string filepath)
{
// read data from this file
var mediafile = new MediaFile(filepath);
using (var engine = new Engine())
engine.GetMetadata(mediafile);
selVideoRange.RangeValue2 = selVideoRange.FrameMax = (int)(mediafile.Metadata.VideoData.Fps * mediafile.Metadata.Duration.TotalSeconds);
selVideoRange.RangeValue1 = 0;
VideoFilePath = filepath;
VideoDuration = TimeSpan.FromSeconds(mediafile.Metadata.Duration.TotalSeconds);
// and load it in the player
vlcVideoPlayer.Play(new FileInfo(filepath));
}
public static void ExtractFrame(string file, int momentFromStartInSeconds, string output)
{
var inputFile = new MediaFile { Filename = file };
var outputFile = new MediaFile { Filename = output };
using (var engine = new Engine())
{
engine.GetMetadata(inputFile);
var options = new ConversionOptions { Seek = TimeSpan.FromSeconds(momentFromStartInSeconds) };
try
{
engine.GetThumbnail(inputFile, outputFile, options);
}
catch(Exception ex)
{
Console.WriteLine("Failed to extract the image from: {0} because of {1}", inputFile, ex.ToString());
}
}
}
private void CreateImageButton_Click(object sender, RoutedEventArgs e)
{
_imageExt.ToBitmapImage(Screen);
ImageItem.Source = _imageExt.GetImageSource();
var time = Screen.Position;
var foo = new MediaFile {Filename = "Hist.bmp"};
if (File.Exists("Hist.bmp"))
{
File.Delete("Hist.bmp");
}
using (var engine = new Engine())
{
engine.GetMetadata(inputFile);
var options = new ConversionOptions {Seek = TimeSpan.FromMilliseconds(time.Milliseconds)};
engine.GetThumbnail(inputFile, foo, options);
}
}
public void genThumb()
{
thumbPath = System.IO.Path.Combine( System.IO.Path.GetTempPath(), cutName+index.ToString()+".jpg");
var inputFile = new MediaFile { Filename = sourcePath };
var outputFile = new MediaFile { Filename = thumbPath };
using (var engine = new Engine())
{
engine.GetMetadata(inputFile);
var options = new ConversionOptions { Seek = startTime };
engine.GetThumbnail(inputFile, outputFile, options);
}
var img = System.Drawing.Image.FromFile(thumbPath);
MemoryStream ms = new MemoryStream();
img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
imgThumb = ms.ToArray();
}
void bw_DoWork(object sender, DoWorkEventArgs e)
{
var options = new MediaToolkit.Options.ConversionOptions();
var inputFiled = new MediaFile { Filename = VideoToTrim };
var outputFile = new MediaFile { Filename = VideoToTrimTo };
string video2trim = "\"" + VideoToTrim + "\"";
string video2trim2 = "\"" + VideoToTrimTo + "\"";
using (var engine = new Engine())
{
engine.GetMetadata(inputFiled);
options.CutMedia(Start, End);
//fade=in:0:30
engine.ConvertProgressEvent += ConvertProgressEvent;
engine.ConversionCompleteEvent += engine_ConversionCompleteEvent;
engine.Convert(inputFiled, outputFile, options);
//ffmpeg -i input.mp4 -filter:v 'fade=in:0:50' \ -c:v libx264 -crf 22 -preset veryfast -c:a copy output.mp4
//engine.CustomCommand("-ss " + Start + " -t " + End + " -i " + video2trim + " " + "\"" + " fade=in:0:03" + "\"" + " " + video2trim2);
//engine.CustomCommand("-ss " + Start + " -t " + End + " -i" + " " + video2trim + " -filter:v" + " fade=in=0:130 " + "-c:v libx264 -crf 22 -preset veryfast -c:a copy " + video2trim2);
//std trim
// string startTime = Start.Hours + ":" + Start.m
//engine.CustomCommand("-ss " + Start. + " -t " + End + " -i " + video2trim + " -acodec copy -vcodec copy " + video2trim2);
}
}
public void GetProperties(string VideoFile)
{
var inputFile = new MediaFile { Filename = VideoFile };
string GetFrameSize = string.Empty;
try
{
using (var engine = new Engine())
{
engine.GetMetadata(inputFile);
this.Format = inputFile.Metadata.VideoData.FrameSize;
this.FrameRate = inputFile.Metadata.VideoData.Fps;
engine.Dispose();
}
}
catch (Exception)
{
}
}
public StdResult<TimeSpan> GetVideoLength()
{
using (var engine = new Engine())
{
engine.GetMetadata(InputFile);
}
return StdResult<TimeSpan>.OkResultInstance(InputFile.Metadata.Duration);
}
public StdResult<double> GetVideoFrameRate()
{
using (var engine = new Engine())
{
engine.GetMetadata(InputFile);
}
return StdResult<double>.OkResultInstance(InputFile.Metadata.VideoData.Fps);
}
public StdResult<List<string>> ExtractFrames(int nbFramesDesired)
{
DesiredFramesAmount = nbFramesDesired;
int nbSeconds = (int)GetVideoLength().ReturnObject.TotalSeconds;
int framePeriod = nbSeconds / (nbFramesDesired + 1);
List<MediaFile> outputFiles = new List<MediaFile>();
using (var engine = new Engine())
{
engine.GetMetadata(InputFile);
for (int i = 0; i < DesiredFramesAmount; i++)
{
outputFiles.Add(new MediaFile { Filename = string.Format(OutputSpriteFramePathTemplate, i) });
var options = new ConversionOptions { Seek = TimeSpan.FromSeconds((i + 1) * framePeriod), VideoSize = VideoSize._200par125 };
if (File.Exists(outputFiles[i].Filename))
File.Delete(outputFiles[i].Filename);
engine.GetThumbnail(InputFile, outputFiles[i], options);
}
}
OutputSpriteFrames = outputFiles.Select(of => of.Filename).ToList();
return StdResult<List<string>>.OkResultInstance(OutputSpriteFrames);
}
public StdResult<string> CreateThumbnail(string forceOutputFilePath = null, TimeSpan? forceTimeSpan = null)
{
var outputFile = new MediaFile { Filename = OutputImagePath };
using (var engine = new Engine())
{
engine.GetMetadata(InputFile);
// Saves the frame located on the 15th second of the video.
var options = new ConversionOptions { Seek = TimeSpan.FromSeconds(15) };
engine.GetThumbnail(InputFile, outputFile, options);
}
return StdResult<string>.OkResultInstance(OutputImagePath);
}
private static void TrimFileToNewDuration(string inputFilePath, decimal newDurationInMilliseconds, TrailerClipperOptions clipperOptions)
{
var outputFilePath = ComputeOutputFilePath(inputFilePath, clipperOptions.OutputDirectoryPath);
var inputFile = new MediaFile {Filename = inputFilePath};
var outputFile = new MediaFile {Filename = outputFilePath};
var options = InitializeClippingData(newDurationInMilliseconds, clipperOptions);
using (var engine = new Engine())
{
engine.GetMetadata(inputFile);
engine.Convert(inputFile, outputFile, options);
}
if (clipperOptions.OutputToConsole)
Console.WriteLine("Finished on trimming file, output: " + outputFilePath);
}
public IEnumerable<MediaSegment> Segment(FileInfo file, long fileId)
{
var source = new MediaFile(file.FullName);
using (var engine = new Engine())
{
engine.GetMetadata(source);
var progressMs = 0.0;
while (progressMs < source.Metadata.Duration.TotalMilliseconds)
{
var options = new ConversionOptions();
var endMs = Math.Min(progressMs + _segmentLengthMs, source.Metadata.Duration.TotalMilliseconds);
options.CutMedia(TimeSpan.FromMilliseconds(progressMs),
TimeSpan.FromMilliseconds(endMs));
var outputFile = Path.Combine(file.DirectoryName,
string.Format("{0}_audio_{1}ms.wav", file.Name, progressMs));
engine.Convert(source, new MediaFile(outputFile), options);
yield return new MediaSegment
{
FileId = fileId,
File = new FileInfo(outputFile),
OffsetMs = progressMs,
DurationMs = endMs - progressMs
};
progressMs = endMs;
}
}
}
