public static void ConcatFiles(string ConcatList, string DestFilePath)
{
//TODO add error catching for the ffmpeg process erroring.
if (!File.Exists(ConcatList))
{
throw new ArgumentException(String.Format("{0} does not exist", ConcatList));
}
try
{
System.Diagnostics.Process process = new System.Diagnostics.Process();
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.Arguments = "/c " + ffmpegDir + " -f concat -i \"" + ConcatList + "\" -c copy \"" + DestFilePath + "\"";
startInfo.FileName = "cmd.exe";
startInfo.UseShellExecute = false;
process.StartInfo = startInfo;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.UseShellExecute = false;
process.Start();
DebugLog.Log(String.Format("Concat of file {0}", ConcatList));
process.WaitForExit();
DebugLog.Log("Concat done");
}
catch (IOException ioex)
{
throw new IOException("Unable to write/access concat files", ioex);
}
catch (Exception ex)
{
throw ex;
}
}
public static void ConvertFile(String InputFilePath, String OutputFilePath)
{
//TODO add error catching for the ffmpeg process erroring.
//TODO should probably check or add mp4 to the end of the outfile
if (!File.Exists(InputFilePath))
{
throw new ArgumentException(String.Format("{0} does not exist", InputFilePath));
}
try
{
System.Diagnostics.Process process = new System.Diagnostics.Process();
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.Arguments = "/c " + ffmpegDir + " -i \"" + InputFilePath + "\" -bsf:a aac_adtstoasc -c copy \"" + OutputFilePath + "\"";
startInfo.FileName = "cmd.exe";
startInfo.UseShellExecute = false;
process.StartInfo = startInfo;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.UseShellExecute = false;
process.Start();
DebugLog.Log(String.Format("Convert of file {0}", InputFilePath));
process.WaitForExit();
DebugLog.Log("Convert done");
}
catch (IOException ioex)
{
throw new IOException("Unable to write/access concat files", ioex);
}
catch (Exception ex)
{
throw ex;
}
}
private void CreateM3List(string ListFilePath)
{
if (!File.Exists(ListFilePath))
{
throw new ArgumentException(String.Format("File at {0} does not exist", ListFilePath));
}
List <string> lines = File.ReadLines(ListFilePath).ToList <string>();
List <string> links = new List <string>();
bool startedLink = false;
string conLink = "";
string endtime = "";
foreach (string line in lines)
{
if (line.Contains("start_offset=0"))
{
if (!String.IsNullOrEmpty(conLink))
{
links.Add(String.Format("{0}?start_offset=0&end_offset={1}", conLink, endtime));
}
conLink = line.Substring(0, line.IndexOf("?start_offset"));
//startedLink = true;
}
else if (line.Contains("end_offset="))
{
endtime = line.Substring(line.IndexOf("end_offset=") + 11); //offset for length of phrase
}
}
File.WriteAllLines(Directory.GetCurrentDirectory() + "\\linklist.txt", links.ToArray());
DownloadProcess dp = new DownloadProcess(links);
DebugLog.Log("Download process start -" + System.DateTime.Now.ToString());
dp.StartDownload();
}
private void ProcessFile(BackgroundWorker worker, RunWorkerCompletedEventArgs e)
{
String next = GetNextFile();
if (!String.IsNullOrEmpty(next))
{
worker.RunWorkerAsync(next);
}
else
{
DebugLog.Log("Worker done -" + System.DateTime.Now.ToString());
worker.Dispose();
WorkList.Remove(worker);
if (WorkList.Count == 0)
{
//File.AppendAllLines(CatFile, downloadedFiles);
DebugLog.Log("All workders done");
videoWorker.RunWorkerAsync();
}
}
//if(FileList.Count > 0)
//{
// //DebugLog.Log("Download file");
// //DownloadFile(FileList.First(), GetFileNameFromURL(FileList.First()));
// worker.RunWorkerAsync(FileList.First());
// FileList.RemoveAt(0); //TODO this will probably not work since the threads will collide on accessing the list
//}
}
public void StartDownload()
{
CreateConcatFile();
foreach (BackgroundWorker worker in WorkList)
{
DebugLog.Log("Spawn worker");
worker.RunWorkerAsync(GetNextFile());
System.Threading.Thread.Sleep(50);
}
}
private String GetFileNameFromURL(String URL)
{
if (String.IsNullOrEmpty(URL))
{
throw new ArgumentException("Cannot get file name");
}
int firstIndex = URL.LastIndexOf("/");
int lastIndex = URL.IndexOf("?");
DebugLog.Log(URL.Substring(firstIndex + 1, (lastIndex - (firstIndex + 1))));
return(URL.Substring(firstIndex + 1, (lastIndex - (firstIndex + 1))));
}
public static String APIRequest(String URL)
{
try
{
HttpWebRequest request = (HttpWebRequest)System.Net.WebRequest.Create(URL);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream resStream = response.GetResponseStream();
StreamReader sr = new StreamReader(resStream);
//TODO Error handling
return(sr.ReadToEnd());
}
catch (Exception ex)
{
DebugLog.Log(String.Format("Request error for {0}\r\n{1}", URL, ex.ToString()));
return(null);
}
}
public DownloadProcess(List <String> ListOfFiles)
{
if (ListOfFiles.Count == 0)
{
throw new ArgumentException("No files for download");
}
FileList = ListOfFiles;
downloadPath = @"T:\Videos\twitch"; //Directory.GetCurrentDirectory() + "\\Videos\\Download";
CatFile = downloadPath + "\\" + GetVodName(FileList.First()) + ".txt";
catVideoName = downloadPath + "\\" + GetVodName(FileList.First()) + ".ts";
finalVideoName = downloadPath + "\\" + GetVodName(FileList.First()) + ".mp4";
DebugLog.Log("Cat file " + CatFile);
InitializeWorkers();
fileCount = 0;
lockObj = new Object();
downloadedFiles = new List <string>();
}
private string ParseStreamLink(string Link)
{
int index = Link.LastIndexOf('/'); //Link.IndexOf("/index");
if (index <= 0)
{
DebugLog.Log("Cannot find m3u8: " + Link);
throw new Exception("Unable to parse stream link");
}
string sub = Link.Substring(0, index + 1);
//string sub = Link.Substring(0, Link.IndexOf("index-dvr.m3u8"));
if (sub.Length <= 0)
{
return("");
}
return(sub);
}
private void DownloadFile(String FileURL, String FileName)
{
try
{
//lock (lockObj)
//{
using (WebClient client = new WebClient())
{
fileCount++;
//string downPath = downloadPath + "\\" + fileCount.ToString() + "." + FileName;
string downPath = downloadPath + "\\" + FileName;
//File.AppendAllText(CatFile, String.Format("file '{0}'\r\n", downPath));
downloadedFiles.Add(downPath);
client.DownloadFile(FileURL, downPath);
}
//}
}
catch (Exception ex)
{
DebugLog.Log(String.Format("Download error on {0}\r\n{1}", FileURL, ex.ToString()));
}
}
void videoWorker_DoWork(object sender, DoWorkEventArgs e)
{
DebugLog.Log(String.Format("Start video process {0} {1}", catVideoName, finalVideoName));
VideoProcess.ConcatFiles(CatFile, catVideoName);
}