private bool GetMpegResponse(GenerateMpegRequest pub)
{
IDatabase db = RedisConnection.ConnectionMultiplexer.GetDatabase(_settings.RedisDatabaseKey);
ISubscriber sub = RedisConnection.ConnectionMultiplexer.GetSubscriber();
var elapsedSeconds = 0;
var serialisedObject = Newtonsoft.Json.JsonConvert.SerializeObject(pub);
db.ListLeftPush(RequestSubcriberChannelNames.GenerateMpegRequestQueue, serialisedObject);
try
{
sub.Publish(RequestSubcriberChannelNames.GenerateMpegRequestChannel, "");
}
catch (Exception ex)
{
var length = db.ListLength(RequestSubcriberChannelNames.GenerateMpegRequestQueue);
if (length > 0)
{
_logger.Error("Queue name:" + RequestSubcriberChannelNames.GenerateMpegRequestQueue + " and Length:" + length);
db.ListLeftPop(RequestSubcriberChannelNames.GenerateMpegRequestQueue);
}
throw ex;
}
string value = "";
while (string.IsNullOrEmpty(value))
{
elapsedSeconds++;
try
{
value = db.StringGet(pub.Guid);
}
catch (Exception ex)
{
_logger.Error(string.Format("Attempt Count for {0} is {1}", pub.Guid, elapsedSeconds));
_logger.Info("Exception for StringGet. Message: " + ex.Message + ".\n\t" + ex.StackTrace);
}
if (!string.IsNullOrEmpty(value))
{
db.KeyDelete(pub.Guid, CommandFlags.FireAndForget);
return(value == "Completed");
}
Thread.Sleep(1000);
if (elapsedSeconds == WaitForSeconds)
{
db.KeyDelete(pub.Guid, CommandFlags.FireAndForget);
return(false);
}
}
return(true);
}
public string GenerateMPEG(string sourceFilePath, string destinationPath, string fileName = "")
{
_sourcePath = sourceFilePath.Trim();
_destinationPath = destinationPath;
_fileName = string.IsNullOrWhiteSpace(fileName) ? Guid.NewGuid() + ".mp4" : (fileName.ToLower().IndexOf("mp4") > 0) ? fileName : fileName + ".mp4";
if (string.IsNullOrEmpty(ExecutableDirectoryPath))
{
throw new InvalidOperationException("Movie Maker: Please specify the path for Excutable Directory!");
}
#region Commented
//if (_sourcePath.IndexOfAny(Path.GetInvalidPathChars()) != -1)
// throw new InvalidDirectoryPathException();
//if (_destinationPath.IndexOfAny(Path.GetInvalidPathChars()) != -1)
// throw new InvalidDirectoryPathException();
//if (ExecutableDirectoryPath.IndexOfAny(Path.GetInvalidPathChars()) != -1)
// throw new InvalidDirectoryPathException();
//_sourcePath = _sourcePath.Replace(Environment.NewLine, "");
//_destinationPath = _destinationPath.Replace(Environment.NewLine, "");
//_fileName = _fileName.Replace(Environment.NewLine, "");
//ExecutableDirectoryPath = ExecutableDirectoryPath.Replace(Environment.NewLine, "");
//_process = new Process();
//// -i [Source Dir]\image%d.jpg -vf "vflip" -r 10 -b 1500k -ar 22050 [Output Dir]\[Filename].flv
//var startInfo = new ProcessStartInfo
//{
// FileName = ExecutableDirectoryPath + "\\ffmpeg.exe",
// //Arguments = " -i \"" + _sourcePath + "\" -r 10 -b 1500k -ar 22050 \"" + _destinationPath + _fileName + "\"",
// Arguments = " -i \"" + _sourcePath + "\" -r 10 -b 1500k -ar 22050 -vcodec libx264 \"" + _destinationPath + _fileName + "\"", //H.264
// //Arguments = " -i \"" + _sourcePath + "\" -r 10 -b 1500k -ar 22050 -vcodec libx264 -pix_fmt yuv420p \"" + _destinationPath + _fileName + "\"", //H.264_1
// //Arguments = " -i \"" + _sourcePath + "\" -r 10 -b 1500k -ar 22050 -sameq -vcodec libx264 -preset slow -crf 18 -pix_fmt yuv420p \"" + _destinationPath + _fileName + "\"", //H.264_2
// //Arguments = " -i \"" + _sourcePath + "\" -r 10 -b 1500k -ar 22050 -sameq -vcodec libx264 \"" + _destinationPath + _fileName + "\"", //H.264_3
// //Arguments = " -i \"" + _sourcePath + "\" -r 10 -b 1500k -ar 22050 -sameq -vcodec libx264 -acodec aac \"" + _destinationPath + _fileName + "\"", //H.264_4
// //Arguments = " -i \"" + _sourcePath + "\" -r 10 -b 1500k -ar 22050 -vcodec mpeg4 -pix_fmt yuv420p \"" + _destinationPath + _fileName + "\"", //mpeg4
// UseShellExecute = false, // needs to be false in order to redirect output
// //RedirectStandardOutput = true,
// //RedirectStandardError = true,
// //RedirectStandardInput = true, // redirect all 3, as it should be all 3 or none
// WorkingDirectory = _destinationPath
//};
//_process.StartInfo = startInfo;
//_process.Start();
//// read the output here...
////string output = _process.StandardOutput.ReadToEnd();
//_process.WaitForExit(30000);
//int returnCode = 0;
//try
//{
// returnCode = _process.ExitCode;
//}
//catch
//{
// _process.Kill();
// returnCode = 0;
//}
//_process.Close();
//return (returnCode == 0) ? _fileName : null;
#endregion
var args = " -i \"" + _sourcePath + "\" -r 10 -b 1500k -ar 22050 -vcodec libx264 \"" + _destinationPath + _fileName + "\"";
var pub = new GenerateMpegRequest {
FileName = ExecutableDirectoryPath + "\\ffmpeg.exe", Arguments = args, DestinationPath = _destinationPath
};
var success = GetMpegResponse(pub);
// if 0, it worked
//return (success) ? _fileName : null;
if (success)
{
return(_fileName);
}
throw new Exception("Could not generate mp4 file. FilePath: " + _sourcePath);
}
public string GenerateMoviefromAvi(string sourceFilePath, string destinationPath, string fileName = "")
{
sourceFilePath = sourceFilePath.Trim();
_sourcePath = sourceFilePath;
_destinationPath = destinationPath;
_fileName = string.IsNullOrWhiteSpace(fileName) ? Guid.NewGuid() + ".flv" : (fileName.ToLower().IndexOf("flv") > 0) ? fileName : fileName + ".flv";
if (string.IsNullOrEmpty(ExecutableDirectoryPath))
{
throw new InvalidOperationException("Movie Maker: Please specify the path for Excutable Directory!");
}
if (_sourcePath.IndexOfAny(Path.GetInvalidPathChars()) != -1)
{
throw new InvalidDirectoryPathException();
}
if (_destinationPath.IndexOfAny(Path.GetInvalidPathChars()) != -1)
{
throw new InvalidDirectoryPathException();
}
if (_fileName.IndexOfAny(Path.GetInvalidFileNameChars()) != -1)
{
throw new InvalidFileNameException();
}
if (ExecutableDirectoryPath.IndexOfAny(Path.GetInvalidPathChars()) != -1)
{
throw new InvalidDirectoryPathException();
}
_sourcePath = _sourcePath.Replace(Environment.NewLine, "");
_destinationPath = _destinationPath.Replace(Environment.NewLine, "");
_fileName = _fileName.Replace(Environment.NewLine, "");
ExecutableDirectoryPath = ExecutableDirectoryPath.Replace(Environment.NewLine, "");
var args = String.Format(@" -i ""{0}"" -r 10 -b 1500k -ar 22050 ""{1}""",
_sourcePath,
_destinationPath + _fileName);
/*
* _process = new Process();
* // -i [Source Dir]\image%d.jpg -vf "vflip" -r 10 -b 1500k -ar 22050 [Output Dir]\[Filename].flv
* var startInfo = new ProcessStartInfo
* {
* FileName = ExecutableDirectoryPath + "\\ffmpeg.exe",
* Arguments = args,// " -i \"" + _sourcePath + "\" -r 10 -b 1500k -ar 22050 \"" + _destinationPath + _fileName + "\"",
* UseShellExecute = false, // needs to be false in order to redirect output
* RedirectStandardOutput = true,
* RedirectStandardError = true,
* RedirectStandardInput = true, // redirect all 3, as it should be all 3 or none
* WorkingDirectory = _destinationPath
* };
* _process.StartInfo = startInfo;
* _process.Start();
*
* _process.WaitForExit(30000);
*
* int returnCode = _process.ExitCode;
*
* _process.Close();
*/
var pub = new GenerateMpegRequest {
FileName = ExecutableDirectoryPath + "\\ffmpeg.exe", Arguments = args, DestinationPath = _destinationPath
};
var success = GetMoviefromAviResponse(pub);
// if 0, it worked
//return (success) ? _fileName : null;
if (success)
{
return(_fileName);
}
throw new Exception("Could not generate flv file. File Path: " + _sourcePath + " ExecutableDirectoryPath: " + ExecutableDirectoryPath);
}
