/// ------------------------------------------------------------------------------------
public static Image GetImageFromVideo(string videoPath, float seconds)
{
Image img = null;
videoPath = videoPath.Replace('\\', '/');
var prs = new ExternalProcess(MPlayerPath);
var tmpFolder = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
Directory.CreateDirectory(tmpFolder);
var tmpFile = Path.Combine(tmpFolder, "00000001.jpg");
try
{
prs.StartInfo.Arguments =
string.Format("-nocache -nofontconfig -really-quiet -frames 1 -ss {0} -nosound -vo jpeg:outdir=\"\"\"{1}\"\"\" \"{2}\"",
seconds, tmpFolder, videoPath);
prs.StartProcess();
prs.WaitForExit();
prs.Close();
// I'm hesitant to comment out this line, but because of SP-248, we'll see what happens.
//ComponentFile.WaitForFileRelease(videoPath);
if (File.Exists(tmpFile))
{
// I could use Image.FromFile, but that leaves
// a lock on the file, for some reason.
var stream = new FileStream(tmpFile, FileMode.Open);
img = Image.FromStream(stream);
stream.Close();
}
}
finally
{
if (File.Exists(tmpFile))
{
File.Delete(tmpFile);
}
try { Directory.Delete(tmpFolder); }
catch { }
}
return(img);
}