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youtube-dl Process Video Title to String crashes

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0

I'm using Visual Studio 2015, C#, WPF.

I'm trying to run youtube-dl.exe on a video and capture the title to a string.

I run the command through a using Process. It works when running the C# program in Debug or Release mode through Visual Studio, but crashes only when running the compiled exe by itself, outside of Visual Studio.

The youtube-dl command also works when copy pasted into cmd.exe.

 youtube-dl --get-filename -o "%(title)s.mp4" https://www.youtube.com/watch?v=TWNhqCHw0qc

---

string title = string.Empty;

using (Process p = new Process())

 p.StartInfo.UseShellExecute = false;
 p.StartInfo.CreateNoWindow = false;
 p.StartInfo.RedirectStandardOutput = true;
 p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
 p.StartInfo.RedirectStandardError = true;
 p.StartInfo.StandardErrorEncoding = Encoding.UTF8;
 p.StartInfo.FileName = "youtube-dl";
 p.StartInfo.Arguments = "--get-filename -o "%(title)s" " + "https://www.youtube.com/watch?v=TWNhqCHw0qc";

 p.Start();

 var output = new List<string>();
 while (p.StandardOutput.Peek() > -1)
 
 output.Add(p.StandardOutput.ReadLine());
 

 title = string.Join("", output);


MessageBox.Show(title);

c# wpf youtube-dl

share|improve this question

edited Mar 27 at 2:00

John

16.4k44 gold badges2727 silver badges4949 bronze badges

asked Mar 27 at 1:57

Matt McManisMatt McManis

1,69211 gold badge1313 silver badges3737 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What's the error you get when running your program as a .exe?
  
  – dcg
  Mar 27 at 1:58
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @dcg It gives the same result.
  
  – Matt McManis
  Mar 27 at 1:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @dcg Do you mean using youtube-dl.exe in the arguments? The program freezes up and windows says not responding.
  
  – Matt McManis
  Mar 27 at 2:01
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @dcg I put it inside a try/catch, and the Exception says System.InvalidOperationException: The Process object must have the UseShellExecute property set to false in order to redirect IO streams.
  
  – Matt McManis
  Mar 27 at 2:06
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  You said your app were not responding. I found this thread. Take a look at it. Hope it helps
  
  – dcg
  Mar 27 at 2:12
  

  
  
  
  

 | 
show 4 more comments

0

I'm using Visual Studio 2015, C#, WPF.

I'm trying to run youtube-dl.exe on a video and capture the title to a string.

I run the command through a using Process. It works when running the C# program in Debug or Release mode through Visual Studio, but crashes only when running the compiled exe by itself, outside of Visual Studio.

The youtube-dl command also works when copy pasted into cmd.exe.

 youtube-dl --get-filename -o "%(title)s.mp4" https://www.youtube.com/watch?v=TWNhqCHw0qc

---

string title = string.Empty;

using (Process p = new Process())

 p.StartInfo.UseShellExecute = false;
 p.StartInfo.CreateNoWindow = false;
 p.StartInfo.RedirectStandardOutput = true;
 p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
 p.StartInfo.RedirectStandardError = true;
 p.StartInfo.StandardErrorEncoding = Encoding.UTF8;
 p.StartInfo.FileName = "youtube-dl";
 p.StartInfo.Arguments = "--get-filename -o "%(title)s" " + "https://www.youtube.com/watch?v=TWNhqCHw0qc";

 p.Start();

 var output = new List<string>();
 while (p.StandardOutput.Peek() > -1)
 
 output.Add(p.StandardOutput.ReadLine());
 

 title = string.Join("", output);


MessageBox.Show(title);

c# wpf youtube-dl

share|improve this question

edited Mar 27 at 2:00

John

16.4k44 gold badges2727 silver badges4949 bronze badges

asked Mar 27 at 1:57

Matt McManisMatt McManis

1,69211 gold badge1313 silver badges3737 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What's the error you get when running your program as a .exe?
  
  – dcg
  Mar 27 at 1:58
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @dcg It gives the same result.
  
  – Matt McManis
  Mar 27 at 1:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @dcg Do you mean using youtube-dl.exe in the arguments? The program freezes up and windows says not responding.
  
  – Matt McManis
  Mar 27 at 2:01
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @dcg I put it inside a try/catch, and the Exception says System.InvalidOperationException: The Process object must have the UseShellExecute property set to false in order to redirect IO streams.
  
  – Matt McManis
  Mar 27 at 2:06
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  You said your app were not responding. I found this thread. Take a look at it. Hope it helps
  
  – dcg
  Mar 27 at 2:12
  

  
  
  
  

 | 
show 4 more comments

I'm using Visual Studio 2015, C#, WPF.

I'm trying to run youtube-dl.exe on a video and capture the title to a string.

I run the command through a using Process. It works when running the C# program in Debug or Release mode through Visual Studio, but crashes only when running the compiled exe by itself, outside of Visual Studio.

The youtube-dl command also works when copy pasted into cmd.exe.

 youtube-dl --get-filename -o "%(title)s.mp4" https://www.youtube.com/watch?v=TWNhqCHw0qc

---

string title = string.Empty;

using (Process p = new Process())

 p.StartInfo.UseShellExecute = false;
 p.StartInfo.CreateNoWindow = false;
 p.StartInfo.RedirectStandardOutput = true;
 p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
 p.StartInfo.RedirectStandardError = true;
 p.StartInfo.StandardErrorEncoding = Encoding.UTF8;
 p.StartInfo.FileName = "youtube-dl";
 p.StartInfo.Arguments = "--get-filename -o "%(title)s" " + "https://www.youtube.com/watch?v=TWNhqCHw0qc";

 p.Start();

 var output = new List<string>();
 while (p.StandardOutput.Peek() > -1)
 
 output.Add(p.StandardOutput.ReadLine());
 

 title = string.Join("", output);


MessageBox.Show(title);

c# wpf youtube-dl

share|improve this question

edited Mar 27 at 2:00

John

16.4k44 gold badges2727 silver badges4949 bronze badges

asked Mar 27 at 1:57

Matt McManisMatt McManis

1,69211 gold badge1313 silver badges3737 bronze badges

 youtube-dl --get-filename -o "%(title)s.mp4" https://www.youtube.com/watch?v=TWNhqCHw0qc

string title = string.Empty;

using (Process p = new Process())

 p.StartInfo.UseShellExecute = false;
 p.StartInfo.CreateNoWindow = false;
 p.StartInfo.RedirectStandardOutput = true;
 p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
 p.StartInfo.RedirectStandardError = true;
 p.StartInfo.StandardErrorEncoding = Encoding.UTF8;
 p.StartInfo.FileName = "youtube-dl";
 p.StartInfo.Arguments = "--get-filename -o "%(title)s" " + "https://www.youtube.com/watch?v=TWNhqCHw0qc";

 p.Start();

 var output = new List<string>();
 while (p.StandardOutput.Peek() > -1)
 
 output.Add(p.StandardOutput.ReadLine());
 

 title = string.Join("", output);


MessageBox.Show(title);

share|improve this question

edited Mar 27 at 2:00

John

16.4k44 gold badges2727 silver badges4949 bronze badges

asked Mar 27 at 1:57

Matt McManisMatt McManis

1,69211 gold badge1313 silver badges3737 bronze badges

share|improve this question

edited Mar 27 at 2:00

John

16.4k44 gold badges2727 silver badges4949 bronze badges

asked Mar 27 at 1:57

Matt McManisMatt McManis

1,69211 gold badge1313 silver badges3737 bronze badges

edited Mar 27 at 2:00

John

16.4k44 gold badges2727 silver badges4949 bronze badges

edited Mar 27 at 2:00

John

16.4k44 gold badges2727 silver badges4949 bronze badges

asked Mar 27 at 1:57

Matt McManisMatt McManis

1,69211 gold badge1313 silver badges3737 bronze badges

asked Mar 27 at 1:57

Matt McManisMatt McManis

1,69211 gold badge1313 silver badges3737 bronze badges

1 Answer
1

active

oldest

votes

0

There is command line option:

youtube-dl --encoding UTF8 

Worked for me!

share|improve this answer

edited Jun 14 at 5:46

Cà phê đen

1,59822 gold badges1414 silver badges1616 bronze badges

answered Jun 14 at 0:18

Mark ZbarjevskyMark Zbarjevsky

122 bronze badges

add a comment | 

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0

There is command line option:

youtube-dl --encoding UTF8 

Worked for me!

share|improve this answer

edited Jun 14 at 5:46

Cà phê đen

1,59822 gold badges1414 silver badges1616 bronze badges

answered Jun 14 at 0:18

Mark ZbarjevskyMark Zbarjevsky

122 bronze badges

add a comment | 

0

There is command line option:

youtube-dl --encoding UTF8 

Worked for me!

share|improve this answer

edited Jun 14 at 5:46

Cà phê đen

1,59822 gold badges1414 silver badges1616 bronze badges

answered Jun 14 at 0:18

Mark ZbarjevskyMark Zbarjevsky

122 bronze badges

add a comment | 

There is command line option:

youtube-dl --encoding UTF8 

Worked for me!

share|improve this answer

edited Jun 14 at 5:46

Cà phê đen

1,59822 gold badges1414 silver badges1616 bronze badges

answered Jun 14 at 0:18

Mark ZbarjevskyMark Zbarjevsky

122 bronze badges

youtube-dl --encoding UTF8 

share|improve this answer

edited Jun 14 at 5:46

Cà phê đen

1,59822 gold badges1414 silver badges1616 bronze badges

answered Jun 14 at 0:18

Mark ZbarjevskyMark Zbarjevsky

122 bronze badges

edited Jun 14 at 5:46

Cà phê đen

1,59822 gold badges1414 silver badges1616 bronze badges

edited Jun 14 at 5:46

Cà phê đen

1,59822 gold badges1414 silver badges1616 bronze badges

answered Jun 14 at 0:18

Mark ZbarjevskyMark Zbarjevsky

122 bronze badges

answered Jun 14 at 0:18

Mark ZbarjevskyMark Zbarjevsky

122 bronze badges