public void GetVideoThumbnail(string inputFile, string outputFile, float?frameTime)
{
Media input = new Media {
Filename = inputFile
};
Media output = new Media {
Filename = outputFile,
Format = "mjpeg"
};
ConvertSettings settings = new ConvertSettings {
VideoFrameCount = 1,
Seek = frameTime,
MaxDuration = 1f
};
this.ConvertMedia(input, output, settings);
}
// Converts a folder of media files.
//
// \param path folder - The folder to be converted.
// \param int toFormatcomboBoxIndex - The index of the format to be converted to.
// \param int fromFormatcomboBoxIndex - The index of the format to be converted from.
// \return bool - True if media file is converted correctly otherwise false.
//
public bool ConvertFolder(string folder, int toFormatcomboBoxIndex, int fromFormatcomboBoxIndex, bool deleteAll, bool subDir, ConvertSettings VideoSettings)
{
string[] mediaFiles = new string[1];
bool result = false;
if (subDir)
{
mediaFiles = Directory.GetFiles(folder, "*.*", SearchOption.AllDirectories);
}
else
{
mediaFiles = Directory.GetFiles(folder);
}
// For loop to go through each file.
foreach (string file in mediaFiles)
{
// If the file is a media file and it is not already the correct format.
if (((fromFormatcomboBoxIndex == 0 && IsMediaFile(file)) || (fromFormatcomboBoxIndex != 0 &&
Path.GetExtension(file) == mediaExtensions[fromFormatcomboBoxIndex - 1])) && Path.GetExtension(file) != mediaExtensions[toFormatcomboBoxIndex])
{
result = ConvertFile(file, toFormatcomboBoxIndex, fromFormatcomboBoxIndex, deleteAll, VideoSettings);
}
}
return(result);
}
// Converts a single media file.
//
// \param path file - The file to be converted.
// \param int toFormatcomboBoxIndex - The index of the format to be converted to.
// \param int fromFormatcomboBoxIndex - The index of the format to be converted from.
// \return bool - True if media file is converted correctly otherwise false.
//
public bool ConvertFile(string file, int toFormatcomboBoxIndex, int fromFormatcomboBoxIndex, bool deleteAll, ConvertSettings VideoSettings)
{
// The array of supported file formats
string[] formats =
{
Format.mp4, Format.matroska, Format.avi,
Format.mov, Format.mpeg, Format.ogg,
Format.flv, Format.webm
};
// If the file is a media file and it is not already the correct format.
if (((fromFormatcomboBoxIndex == 0 && IsMediaFile(file)) || (fromFormatcomboBoxIndex != 0 &&
Path.GetExtension(file) == mediaExtensions[fromFormatcomboBoxIndex - 1])) && Path.GetExtension(file) != mediaExtensions[toFormatcomboBoxIndex])
{
// Determine which file is currently being processed.
VideoConverterForm.currentFile = "Currently Processing: " + Path.GetFileName(file);
// Create the new file name.
string newFile = file.Substring(0, file.Length - Path.GetExtension(file).Length) + mediaExtensions[toFormatcomboBoxIndex];
string format = formats[toFormatcomboBoxIndex];
string oldFormat = Path.GetExtension(file).Substring(1);
if (oldFormat == "mkv")
{
oldFormat = Format.matroska;
}
try
{
// Converts the file to the selected format.
ffMpeg.ConvertMedia(file, oldFormat, newFile, format, VideoSettings);
// Deletes the files if the checkbox is checked.
if (deleteAll)
{
File.Delete(file);
}
return(true);
}
catch
{
MessageBox.Show("Error Detected in File " + Path.GetFileName(file) + " Skipping");
if (File.Exists(newFile))
{
File.Delete(newFile);
}
return(false);
}
}
return(false);
}
protected string ComposeFFMpegCommandLineArgs(string inputFile, string inputFormat, string outputFile, string outputFormat, ConvertSettings settings)
{
StringBuilder builder = new StringBuilder();
if (settings.AppendSilentAudioStream)
{
builder.Append(" -f lavfi -i aevalsrc=0 ");
}
if (settings.Seek.HasValue)
{
builder.AppendFormat(CultureInfo.InvariantCulture, " -ss {0}", new object[] { settings.Seek });
}
if (inputFormat != null)
{
builder.Append(" -f " + inputFormat);
}
if (settings.CustomInputArgs != null)
{
builder.AppendFormat(" {0} ", settings.CustomInputArgs);
}
StringBuilder outputArgs = new StringBuilder();
this.ComposeFFMpegOutputArgs(outputArgs, outputFormat, settings);
if (settings.AppendSilentAudioStream)
{
outputArgs.Append(" -shortest ");
}
return(string.Format(" -loglevel {4} {0} -i {1} {2} -y {3}", new object[] { builder.ToString(), this.CommandArgParameter(inputFile), outputArgs.ToString(), this.CommandArgParameter(outputFile), this.LogLevel }));
}
private ConvertLiveMediaTask CreateLiveMediaTask(string toolArgs, Stream inputStream, Stream outputStream, ConvertSettings settings)
{
FFMpegProgress progress = new FFMpegProgress(new Action <ConvertProgressEventArgs>(this.OnConvertProgress), this.ConvertProgress != null);
if (settings != null)
{
progress.Seek = settings.Seek;
progress.MaxDuration = settings.MaxDuration;
}
return(new ConvertLiveMediaTask(this, toolArgs, inputStream, outputStream, progress));
}
public void ConvertMedia(string inputFile, string inputFormat, string outputFile, string outputFormat, ConvertSettings settings)
{
if (inputFile == null)
{
throw new ArgumentNullException("inputFile");
}
if (outputFile == null)
{
throw new ArgumentNullException("outputFile");
}
if ((File.Exists(inputFile) && string.IsNullOrEmpty(Path.GetExtension(inputFile))) && (inputFormat == null))
{
throw new Exception("Input format is required for file without extension");
}
if (string.IsNullOrEmpty(Path.GetExtension(outputFile)) && (outputFormat == null))
{
throw new Exception("Output format is required for file without extension");
}
Media input = new Media {
Filename = inputFile,
Format = inputFormat
};
Media output = new Media {
Filename = outputFile,
Format = outputFormat
};
this.ConvertMedia(input, output, settings ?? new ConvertSettings());
}
internal void ConvertMedia(Media input, Media output, ConvertSettings settings)
{
this.EnsureFFMpegLibs();
string filename = input.Filename;
if (filename == null)
{
filename = Path.GetTempFileName();
using (FileStream stream = new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.None))
{
this.CopyStream(input.DataStream, stream, 0x40000);
}
}
string path = output.Filename;
if (path == null)
{
path = Path.GetTempFileName();
}
if (((output.Format == "flv") || (Path.GetExtension(path).ToLower() == ".flv")) && !settings.AudioSampleRate.HasValue)
{
settings.AudioSampleRate = 0xac44;
}
try
{
string fFMpegExePath = this.GetFFMpegExePath();
if (!File.Exists(fFMpegExePath))
{
throw new FileNotFoundException("Cannot find ffmpeg tool: " + fFMpegExePath);
}
string arguments = this.ComposeFFMpegCommandLineArgs(filename, input.Format, path, output.Format, settings);
ProcessStartInfo startInfo = new ProcessStartInfo(fFMpegExePath, arguments)
{
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true,
UseShellExecute = false,
WorkingDirectory = Path.GetDirectoryName(this.FFMpegToolPath),
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true
};
this.InitStartInfo(startInfo);
if (this.FFMpegProcess != null)
{
throw new InvalidOperationException("FFMpeg process is already started");
}
this.FFMpegProcess = Process.Start(startInfo);
if (this.FFMpegProcessPriority != ProcessPriorityClass.Normal)
{
this.FFMpegProcess.PriorityClass = this.FFMpegProcessPriority;
}
string lastErrorLine = string.Empty;
FFMpegProgress ffmpegProgress = new FFMpegProgress(new Action <ConvertProgressEventArgs>(this.OnConvertProgress), this.ConvertProgress != null);
if (settings != null)
{
ffmpegProgress.Seek = settings.Seek;
ffmpegProgress.MaxDuration = settings.MaxDuration;
}
this.FFMpegProcess.ErrorDataReceived += delegate(object o, DataReceivedEventArgs args) {
if (args.Data != null)
{
lastErrorLine = args.Data;
ffmpegProgress.ParseLine(args.Data);
this.FFMpegLogHandler(args.Data);
}
};
this.FFMpegProcess.OutputDataReceived += delegate(object o, DataReceivedEventArgs args) {
};
this.FFMpegProcess.BeginOutputReadLine();
this.FFMpegProcess.BeginErrorReadLine();
this.WaitFFMpegProcessForExit();
if (this.FFMpegProcess.ExitCode != 0)
{
throw new FFMpegException(this.FFMpegProcess.ExitCode, lastErrorLine);
}
this.FFMpegProcess.Close();
this.FFMpegProcess = null;
ffmpegProgress.Complete();
if (output.Filename == null)
{
using (FileStream stream2 = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.None))
{
this.CopyStream(stream2, output.DataStream, 0x40000);
}
}
}
catch (Exception)
{
this.EnsureFFMpegProcessStopped();
throw;
}
finally
{
if (((filename != null) && (input.Filename == null)) && File.Exists(filename))
{
File.Delete(filename);
}
if (((path != null) && (output.Filename == null)) && File.Exists(path))
{
File.Delete(path);
}
}
}
public ConvertLiveMediaTask ConvertLiveMedia(string inputSource, string inputFormat, Stream outputStream, string outputFormat, ConvertSettings settings)
{
this.EnsureFFMpegLibs();
string toolArgs = this.ComposeFFMpegCommandLineArgs(inputSource, inputFormat, "-", outputFormat, settings);
return(this.CreateLiveMediaTask(toolArgs, null, outputStream, settings));
}
public ConvertLiveMediaTask ConvertLiveMedia(string inputFormat, Stream outputStream, string outputFormat, ConvertSettings settings)
{
return(this.ConvertLiveMedia((Stream)null, inputFormat, outputStream, outputFormat, settings));
}