public OutputPackage ConvertToFLV(MemoryStream inputFile, string Filename)
{
string tempfile = Path.Combine(this.WorkingPath, System.Guid.NewGuid().ToString() + 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);
}
public OutputPackage ConvertToFLV(string inputPath)
{
VideoFile vf = null;
//try
//{
vf = new VideoFile(inputPath);
//}
//catch (Exception ex)
//{
// throw ex;
//}
OutputPackage oo = ConvertToFLV(vf);
return(oo);
}
/// <summary>
/// If file is video, then convert it to FLV,
/// delete the original file, update the database
/// with new flv's attributes
/// </summary>
/// <param name="fileId"></param>
/// <returns>Returns the file's full path</returns>
void IfVideoConvertToFLV(long fileId)
{
try
{
//Get the file from DB
awFile file = (from l in _context.awFiles
where l.fileId.Equals(fileId)
select l).FirstOrDefault();
if (file == null)
{
return;
}
string extension = GetFileExension(file.path);
string path = file.path;
//Only Video Files, (flv won't be converted)
if (!_videoLib.isVideoFile(extension))
{
return;
}
//CONVERT and GET THE NEW FILES LOCATION
OutputPackage videoPackage = _videoLib.ConvertToFLV(path);
//GET THE NEW FILES INFO
file.contentSize = videoPackage.Length;
file.contentType = GetContentType(AWAPI_BusinessLibrary.library.ConfigurationLibrary.Config.fileMimeXMLPath, "flv");
SAVED_FILE savedFile = new SAVED_FILE();
if (FileAmazonS3.SaveOnAmazonS3())
{
//load the flv file into byte array, and save it to amazon s3
FileStream fileStream = new FileStream(videoPackage.Path, System.IO.FileMode.Open);
//SAVE THE VIDEO FILE
string keyName = String.Format("{0}/{1}.flv", file.siteId, file.fileId);
savedFile = SaveFile(file.siteId, false, file.contentType, keyName, fileStream, "");
System.IO.File.Delete(videoPackage.Path);
file.path = savedFile.filePath;
//SAVE THE THUMB
if (videoPackage.PreviewImage != null && !String.IsNullOrEmpty(videoPackage.PreviewImagePath) &&
System.IO.File.Exists(videoPackage.PreviewImagePath))
{
string thumbFile = String.Format("{0}/{1}.jpg", file.siteId, file.fileId);
FileStream videoPreviewStream = new FileStream(videoPackage.PreviewImagePath, System.IO.FileMode.Open);
savedFile = SaveFile(file.siteId, false, "image/jpeg", thumbFile, videoPreviewStream, "");
file.thumbnail = savedFile.filePath;
if (System.IO.File.Exists(videoPackage.PreviewImagePath))
{
System.IO.File.Delete(videoPackage.PreviewImagePath);
}
}
file.isOnLocal = false;
}
else
{
file.isOnLocal = true;
file.path = videoPackage.Path;
file.thumbnail = videoPackage.PreviewImagePath;
}
_context.SubmitChanges();
}
catch (Exception ex)
{
throw ex;
}
}
public OutputPackage ConvertToFLV(VideoFile input)
{
if (!input.infoGathered)
{
GetVideoInfo(input);
}
OutputPackage ou = new OutputPackage();
string sourceExtension = GetFileExension(input.Path);
string sourceWithoutExtension = input.Path.Replace("." + sourceExtension, "");
//GET PREVIEW IMAGE ---------------------------------------
string previewPath = sourceWithoutExtension + ".jpg";
string processParams = string.Format(" -i \"{0}\" -f mjpeg -t 0.001 -ss 5 -y \"{1}\" ", input.Path, previewPath);
string output = RunProcess(processParams);
ou.RawOutput = output;
if (File.Exists(previewPath))
{
ou.PreviewImage = LoadImageFromFile(previewPath);
ou.PreviewImagePath = previewPath;
}
else
{ //try running again at frame 1 to get something
processParams = string.Format("-i \"{0}\" \"{1}\" -vcodec mjpeg -ss {2} -vframes 1 -an -f rawvideo", input.Path, previewPath, 1);
output = RunProcess(processParams);
ou.RawOutput = output;
if (File.Exists(previewPath))
{
ou.PreviewImage = LoadImageFromFile(previewPath);
ou.PreviewImagePath = previewPath;
}
}
//CONVERT THE FILE --------------------------------------------------------------------------------
if (sourceExtension == "flv")
{
ou.Path = input.Path;
ou.Length = 0;
byte[] fileBytes = File.ReadAllBytes(input.Path);
MemoryStream mems = new MemoryStream(fileBytes);
ou.VideoStream = mems;
ou.Length = (int)ou.VideoStream.Length;
}
else
{
string flvPath = sourceWithoutExtension + ".flv";
//processParams = string.Format("-i {0} -s 480x360 -y -ar 44100 -ab 64 -f flv {1}", input.Path, flvPath);
//string videoParam = "-b 512k -f flv -s 480x270 -vcodec libx264 -vpre hq";
//string autidoParam = "-ar 44100 -ac 2 -ab 93k -acodec aac";
// Params = String.Format("-i \"{0}\" {1} {2} -y \"{3}\"",
// input.Path, videoParam, autidoParam, flvPath);
//medium quality
processParams = string.Format("-i \"{0}\" -acodec mp3 -ab 48k -ac 1 -ar 44100 -f flv -deinterlace -nr 500 -r 25 -b 270k -me_range 25 -i_qfactor 0.71 -g 500 \"{1}\" ",
input.Path, flvPath);
////high quality
//processParams = string.Format("-i \"{0}\" -acodec mp3 -ab 64k -ac 2 -ar 44100 -f flv -deinterlace -nr 500 -r 25 -b 650k -me_range 25 -i_qfactor 0.71 -g 500 \"{1}\"",
// input.Path, flvPath);
Process proc = new Process();
proc.StartInfo.Arguments = processParams;
proc.StartInfo.FileName = this._ffExe;
proc.StartInfo.UseShellExecute = false;
proc.StartInfo.CreateNoWindow = true;
proc.StartInfo.RedirectStandardOutput = true;
proc.StartInfo.RedirectStandardError = true;
proc.Start(); // start !
proc.WaitForExit();
//output = RunProcess(processParams);
if (File.Exists(flvPath))
{
ou.Path = flvPath;
ou.VideoStream = LoadMemoryStreamFromFile(flvPath);
ou.Length = (int)ou.VideoStream.Length;
try
{
File.Delete(input.Path);
}
catch (Exception) { }
}
}
ou.Success = true;
return(ou);
}