public string ExtractAudioSegment(long ticksToExtract, long ticksTimeLapse, AudioFormat type)
{
string tempFile = Path.GetTempPath() + Guid.NewGuid() + "." + type.ToString();
var span = TimeSpan.FromTicks(ticksToExtract);
var spanTo = TimeSpan.FromTicks(ticksTimeLapse - ticksToExtract);
if (span > Duration)
{
throw new Exception("Time is larger than actual video");
}
FFMPEGParameters parameters = new FFMPEGParameters()
{
InputFilePath = FilePath,
DisableAudio = false,
OutputOptions = String.Format("-vn -ss {0} -t {1}", span.Hours.ToString("D2") + ":" + span.Minutes.ToString("D2") + ":" + span.Seconds.ToString("D2") + "." + span.Milliseconds.ToString("D3"), spanTo.Hours.ToString("D2") + ":" + spanTo.Minutes.ToString("D2") + ":" + spanTo.Seconds.ToString("D2") + "." + spanTo.Milliseconds.ToString("D3")),
OutputFilePath = tempFile,
};
string output = FFMpegService.Execute(parameters);
if (!File.Exists(tempFile))
{
throw new Exception("Could not extract Audio From Video Clip");
}
return(tempFile);
}
public string MergeAudioSegment(string audioFile, VideoFormat type)
{
//ffmpeg -i tmpVideo.mpg -i tmpAudioRB.wav -vcodec copy finalVideow_6.mpg
string tempFile = Path.GetTempPath() + Guid.NewGuid() + "." + type.ToString();
List <string> files = new List <string>();
files.Add(audioFile);
FFMPEGParameters parameters = new FFMPEGParameters()
{
InputFilePath = FilePath,
DisableAudio = false,
AdditionalFileInputs = files,
OutputOptions = String.Format("-map 0:0 -map 1:0 -vcodec copy -acodec copy"),
OutputFilePath = tempFile,
};
string output = FFMpegService.Execute(parameters);
if (!File.Exists(tempFile))
{
throw new Exception("Could not create single frame image from video clip");
}
return(tempFile);
}
private string SingleOverlayPass(List <Overlay> overlays, string inputFile)
{
string VideoFilterInputs = string.Empty;
string VideoFilterCommands = string.Empty;
for (int i = 0; i < overlays.Count; i++)
{
if (overlays[i].Size.Width > 0 && overlays[i].Size.Height > 0)
{
VideoFilterInputs += overlays[i].InitializeOutputString;
}
}
for (int i = 0; i < overlays.Count; i++)
{
if (overlays[i].Size.Width > 0 && overlays[i].Size.Height > 0)
{
VideoFilterCommands += overlays[i].OutputProcessString;
if (i != (overlays.Count - 1))
{
VideoFilterCommands += ",";
}
}
}
string extension = Path.GetExtension(inputFile);
string tempOutputFile = Path.GetTempPath() + Guid.NewGuid() + "." + extension;
FFMPEGParameters parameters = new FFMPEGParameters
{
InputFilePath = inputFile,
OutputFilePath = tempOutputFile,
ComplexVideoFilterInputs = VideoFilterInputs,
ComplexVideoFilterCommands = VideoFilterCommands
};
string output = FFMpegService.Execute(parameters);
if (File.Exists(tempOutputFile) == false)
{
throw new ApplicationException(String.Format("Failed to overlay video {0}{1}{2}", inputFile, Environment.NewLine, output));
}
FileInfo watermarkedVideoFileInfo = new FileInfo(tempOutputFile);
if (watermarkedVideoFileInfo.Length == 0)
{
throw new ApplicationException(String.Format("Failed to overlay video {0}{1}{2}", inputFile, Environment.NewLine, output));
}
return(tempOutputFile);
}
protected void GetVideoInfo()
{
string output = FFMpegService.Execute(FilePath);
Duration = InfoProcessor.GetDuration(output);
AudioBitRate = InfoProcessor.GetAudioBitRate(output);
AudioFormat = InfoProcessor.GetAudioFormat(output);
VideoFormat = InfoProcessor.GetVideoFormat(output);
Fps = InfoProcessor.GetVideoFps(VideoFormat);
Dimensions = InfoProcessor.GetVideoDimensions(output);
Created = InfoProcessor.GetCreationTime(output);
}
public string ExtractAudioSegment(AudioFormat type)
{
string tempFile = Path.GetTempPath() + Guid.NewGuid() + "." + type.ToString();
FFMPEGParameters parameters = new FFMPEGParameters()
{
InputFilePath = FilePath,
DisableAudio = false,
OutputOptions = String.Format("-vn"),
OutputFilePath = tempFile,
};
string output = FFMpegService.Execute(parameters);
if (!File.Exists(tempFile))
{
throw new Exception("Could not extract Audio From Video Clip");
}
return(tempFile);
}
public Image ExtractSingleFrame(long ticksToExtract, ImageFormat type, Size dimensions)
{
string tempFile = Path.GetTempPath() + Guid.NewGuid() + "." + type.ToString();
var span = TimeSpan.FromTicks(ticksToExtract);
if (span > Duration)
{
throw new Exception("Time is larger than actual video");
}
FFMPEGParameters parameters = new FFMPEGParameters()
{
InputFilePath = FilePath,
DisableAudio = true,
OutputOptions = String.Format("-f image2 -ss {0} -vframes 1", span.Hours.ToString("D2") + ":" + span.Minutes.ToString("D2") + ":" + span.Seconds.ToString("D2") + "." + span.Milliseconds.ToString("D3")),
Size = dimensions,
OutputFilePath = tempFile,
};
string output = FFMpegService.Execute(parameters);
if (!File.Exists(tempFile))
{
throw new Exception("Could not create single frame image from video clip");
}
Image previewImage = LoadImageFromFile(tempFile);
try
{
File.Delete(tempFile);
}
catch (Exception ex)
{
throw new Exception("Failed to delete temporary file used for thumbnail " + ex.Message);
}
return(previewImage);
}
public string MergeAudioSegments(List <string> audioFiles, VideoFormat type)
{
string tempFile = Path.GetTempPath() + Guid.NewGuid() + "." + type.ToString();
List <string> files = audioFiles;
string outputOptions = string.Empty;
string copyAll = " -c:v copy -c:a copy";
for (int i = 0; i < files.Count; i++)
{
outputOptions += "-map " + (i + 1) + ":0";
if (i + files.Count < files.Count)
{
outputOptions += " ";
}
}
FFMPEGParameters parameters = new FFMPEGParameters()
{
InputFilePath = FilePath,
DisableAudio = false,
AdditionalFileInputs = files,
OutputOptions = outputOptions + copyAll,
OutputFilePath = tempFile,
};
string output = FFMpegService.Execute(parameters);
if (!File.Exists(tempFile))
{
throw new Exception("Could not create single frame image from video clip");
}
return(tempFile);
}
public string WatermarkVideo(string watermarkImageFilePath, bool overwrite, WatermarkPosition position, Point offset)
{
string extension = Path.GetExtension(FilePath);
string tempOutputFile = Path.GetTempPath() + Guid.NewGuid() + "." + extension;
string overlayFormat;
switch (position)
{
case WatermarkPosition.TopLeft:
overlayFormat = "{0}:{1}";
break;
case WatermarkPosition.TopRight:
overlayFormat = "main_w-overlay_w-{0}:{1}";
break;
case WatermarkPosition.BottomLeft:
overlayFormat = "{0}:main_h-overlay_h-{1}";
break;
case WatermarkPosition.BottomRight:
overlayFormat = "main_w-overlay_w-{0}:main_h-overlay_h-{1}";
break;
case WatermarkPosition.Center:
overlayFormat = "(main_w-overlay_w)/2-{0}:(main_h-overlay_h)/2-{1}";
break;
case WatermarkPosition.MiddleLeft:
overlayFormat = "{0}:(main_h-overlay_h)/2-{1}";
break;
case WatermarkPosition.MiddleRight:
overlayFormat = "main_w-overlay_w-{0}:(main_h-overlay_h)/2-{1}";
break;
case WatermarkPosition.CenterTop:
overlayFormat = "(main_w-overlay_w)/2-{0}:{1}";
break;
case WatermarkPosition.CenterBottom:
overlayFormat = "(main_w-overlay_w)/2-{0}:main_h-overlay_h-{1}";
break;
default:
throw new ArgumentException("Invalid position specified");
}
string overlayPostion = String.Format(overlayFormat, offset.X, offset.Y);
FFMPEGParameters parameters = new FFMPEGParameters
{
InputFilePath = FilePath,
OutputFilePath = tempOutputFile,
QScale = false,
Overwrite = true,
VideoFilter = String.Format("\"movie=\\'{0}\\' [logo]; [in][logo] overlay={1} [out]\"", watermarkImageFilePath.Replace("\\", "\\\\"), overlayPostion)
};
string output = FFMpegService.Execute(parameters);
if (File.Exists(tempOutputFile) == false)
{
throw new ApplicationException(String.Format("Failed to watermark video {0}{1}{2}", FilePath, Environment.NewLine, output));
}
FileInfo watermarkedVideoFileInfo = new FileInfo(tempOutputFile);
if (watermarkedVideoFileInfo.Length == 0)
{
throw new ApplicationException(String.Format("Failed to watermark video {0}{1}{2}", FilePath, Environment.NewLine, output));
}
if (overwrite)
{
File.Delete(FilePath);
File.Move(tempOutputFile, FilePath);
return(FilePath);
}
return(tempOutputFile);
}