public void TestRunInBlocking()
{
ProcessHandler p = new ProcessHandler(@"C:\Windows\System32\tree.com", @"c:\temp");
ProcessHandler.ProcessOutput output = p.StartInBlockingMode();
Assert.IsNotNull(output);
}
internal void CompressVideo(string sourceFileName, string destinationFileName)
{
KillFfmpegProcess();
if (!File.Exists(sourceFileName))
{
throw new FileNotFoundException("File " + sourceFileName + " is not exist");
}
if (String.IsNullOrEmpty(destinationFileName))
{
throw new InvalidOperationException("Destination can't be empty");
}
File.Delete(destinationFileName);
if (File.Exists(destinationFileName))
{
throw new InvalidProgramException("Failed to delete destination file.");
}
ProcessHandler compressProcess = new ProcessHandler(ffmpegPath + @"ffmpeg.exe", String.Format(COMPRESS_VIDEO, sourceFileName, destinationFileName));
ProcessHandler.ProcessOutput processOutput = compressProcess.StartInBlockingMode();
if (processOutput.ErrorCode != 0)
{
throw new InvalidProgramException("Failed to compress movie");
}
}
public void TestRunInNonBlocking()
{
ProcessHandler p = new ProcessHandler(@"C:\Windows\System32\tree.com", @"c:\");
p.StartInNonBlockingMode();
Thread.Sleep(100);
ProcessHandler.ProcessOutput output = p.WaitForProcessToEnd();
Assert.IsNotNull(output);
}
/// <summary>
/// Capture video without compressing. you usually would like to compress the video after saving it.
/// </summary>
/// <param name="frameRate"></param>
/// <param name="fileName">Should end with .mkv</param>
internal void CaptureRawVideo(string fileName, float frameRate = 24)
{
KillFfmpegProcess();
if (null == fileName)
{
throw new ArgumentNullException("Arguments can't be null");
}
File.Delete(fileName);
ffmpegProcess = new ProcessHandler(ffmpegPath + @"ffmpeg.exe", String.Format(CAPUTRE_VIDEO_RAW, frameRate, fileName));
ffmpegProcess.StartInNonBlockingMode();
}
/// <summary>
/// Stat capturing the video.
///
/// This is a none blocking operation.
/// </summary>
/// <param name="frameRate">The framerate to capture the video</param>
/// <param name="fileName">Name of the output file. should end with .mp4</param>
internal void CaptureCompressedVideo(string fileName, float frameRate = 24)
{
if (null == fileName)
{
throw new ArgumentNullException("Arguments can't be null");
}
KillFfmpegProcess();
File.Delete(fileName);
ffmpegProcess = new ProcessHandler(ffmpegPath + @"ffmpeg.exe", String.Format(CAPTURE_VIDEO_WITH_COMPRESSION, frameRate, fileName));
ffmpegProcess.StartInNonBlockingMode();
}
internal void TrimMovie(string sourceFileName, string destinationFileName, int timeToKeepInSeconds)
{
KillFfmpegProcess();
TimeSpan movieLength = FetchVideoDetails(sourceFileName).Duration;
File.Delete(destinationFileName);
ProcessHandler trimProcess = new ProcessHandler(ffmpegPath + @"ffmpeg.exe", String.Format(TRIM_COMPRESSED_MOVIE, movieLength - TimeSpan.FromSeconds(timeToKeepInSeconds), sourceFileName, TimeSpan.FromSeconds(timeToKeepInSeconds), destinationFileName));
ProcessHandler.ProcessOutput processOutput = trimProcess.StartInBlockingMode();
if (processOutput.ErrorCode != 0)
{
throw new InvalidProgramException("Failed to trim movie");
}
}
internal VideoDetails FetchVideoDetails(string fileName)
{
KillFfmpegProcess();
if (!File.Exists(fileName))
{
throw new FileNotFoundException("File " + fileName + " is not exist");
}
ProcessHandler compressProcess = new ProcessHandler(ffmpegPath + @"ffprobe.exe", String.Format(GET_VIDEO_DETAILS, fileName));
ProcessHandler.ProcessOutput processOutput = compressProcess.StartInBlockingMode();
if (processOutput.ErrorCode != 0)
{
throw new InvalidProgramException("Failure while trying to fetch video details: " + processOutput.Stderror);
}
Regex rgx = new Regex(VIDEO_DETAILS_REGEX);
MatchCollection matches = rgx.Matches(processOutput.Stderror);
if (matches.Count == 0)
{
throw new InvalidProgramException("Failed to fetch duration");
}
return(new VideoDetails(TimeSpan.Parse(matches[0].Groups[1].Value)));
}
