public OutputPackage ConvertToFLV(MemoryStream inputFile, string Filename)
{
string tempfile = System.IO.Path.Combine(this.WorkingPath, System.Guid.NewGuid().ToString() + System.IO.Path.GetExtension(Filename));
FileStream fs = File.Create(tempfile);
inputFile.WriteTo(fs);
fs.Flush();
fs.Close();
GC.Collect();
VideoFile vf = null;
try
{
vf = new VideoFile(tempfile);
}
catch (Exception ex)
{
throw ex;
}
OutputPackage oo = ConvertToFLV(vf);
try
{
File.Delete(tempfile);
}
catch (Exception)
{
}
return(oo);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
if (!String.IsNullOrWhiteSpace(videoFilePath.Text))
{
OutputPackage op = ffmpegConverter.ConvertToFLV(videoFilePath.Text);
resultsTextbox.Text += videoFilePath.Text + " conversion to flv " + op.Success + "\n";
}
}
public OutputPackage ConvertToFLV(string inputPath)
{
VideoFile vf = null;
try
{
vf = new VideoFile(inputPath);
}
catch (Exception ex)
{
throw ex;
}
OutputPackage oo = ConvertToFLV(vf);
return(oo);
}
public bool ExtractAudio(string inputPath)
{
VideoFile input = null;
try
{
input = new VideoFile(inputPath);
}
catch (Exception ex)
{
throw ex;
}
if (!input.infoGathered)
{
GetVideoInfo(input);
}
OutputPackage ou = new OutputPackage();
String filename = System.Guid.NewGuid().ToString() + ".wav";
String finalpath = System.IO.Path.Combine(this.WorkingPath, filename);
String Params = string.Format("-i {0} {1}", input.Path, finalpath);
String output = RunProcess(Params);
bool returnVal = false;
if (File.Exists(finalpath))
{
returnVal = true;
}
else
{
returnVal = false;
}
return(returnVal);
}
public OutputPackage ConvertToFLV(VideoFile input)
{
if (!input.infoGathered)
{
GetVideoInfo(input);
}
OutputPackage ou = new OutputPackage();
//set up the parameters for getting a previewimage
string filename = System.Guid.NewGuid().ToString() + ".jpg";
int secs;
//divide the duration in 3 to get a preview image in the middle of the clip
//instead of a black image from the beginning.
secs = (int)Math.Round(TimeSpan.FromTicks(input.Duration.Ticks / 3).TotalSeconds, 0);
string finalpath = System.IO.Path.Combine(this.WorkingPath, filename);
string Params = string.Format("-i {0} {1} -vcodec mjpeg -ss {2} -vframes 1 -an -f rawvideo", input.Path, finalpath, secs);
string output = RunProcess(Params);
ou.RawOutput = output;
if (File.Exists(finalpath))
{
ou.PreviewImage = LoadImageFromFile(finalpath);
try
{
//File.Delete(finalpath);
}
catch (Exception) { }
}
else
{ //try running again at frame 1 to get something
Params = string.Format("-i {0} {1} -vcodec mjpeg -ss {2} -vframes 1 -an -f rawvideo", input.Path, finalpath, 1);
output = RunProcess(Params);
ou.RawOutput = output;
if (File.Exists(finalpath))
{
ou.PreviewImage = LoadImageFromFile(finalpath);
try
{
//File.Delete(finalpath);
}
catch (Exception) { }
}
}
filename = System.Guid.NewGuid().ToString() + ".flv";
finalpath = System.IO.Path.Combine(this.WorkingPath, filename);
Params = string.Format("-i {0} -y -ar 22050 -ab 64 -f flv {1}", input.Path, finalpath);
output = RunProcess(Params);
if (File.Exists(finalpath))
{
ou.VideoStream = LoadMemoryStreamFromFile(finalpath);
ou.Success = true;
try
{
//File.Delete(finalpath);
}
catch (Exception) { }
}
else
{
ou.Success = false;
}
return(ou);
}
