KB Issue

Using the NReco.VideoInfo.dll on a website without a reference to the DLL library, you will receive Type 'FFProbe' is not defined.

Issue Details

When using Visual Studio, you add a reference to the NReco.VideoInfo.dll, which will add files to the /bin folder within your website directory. You can then make references to the Library using simple code like this.

[ASP.NET - ffprobe.GetMediaInfo()]

CFFCS | CarrzSynEdit: | ASP.NET (VB/C#)

Dim theFilePath As File = File.Create("G:\WebSite1\01Fantasy.mp3")
Dim ffprobe As New FFProbe
Dim videoInfo = ffprobe.GetMediaInfo(theFilePath)
Dim strArtist As String = videoInfo.FormatTags.Where(Function(t) t.Key = "artist").[Select](Function(t) t.Value).FirstOrDefault()
LabelArtist.text = strArtist

Recreate Issue

The code above, which works in Visual Studio, does not work on a website under IIS unless you reference the DLL file in your project.

Resolve Issue

There are two ways to perform this action.

section 1: (With Visual Studio Installation)

Using the Visual Basic Developer Command Prompt.
Click on your [Start] Menu.
Choose [Programs]
Scroll down to the [Visual Studio 2022] (Or installed version)
Choose [Developer Command Prompt for VS2022] (your Version number here)

When the window opens, do the following commands.

[CMD/Linux - Navigate To Directory]

CFFCS | CarrzSynEdit: | CMD (Windows Command Prompt) | L (Linux)

C:\Windows\system32>
::type in
cd G:\ (Replacing the G with the drive you have your DLL files on)
G:\>
::Copy and paste in 
cd G:\InetPub\wwwroot\MyWebSite\Upload\Bin\
G:\InetPub\wwwroot\MyWebSite\Upload\Bin>gacutil -i NReco.VideoInfo.dll

Skip to section 3 once done.

section 2 (Microsoft SDK installation)
View video here.)

In the CMD (Windows Command Prompt)
Type in the following to put yourself in the C Folder.

[CMD/Linux - Running Commands]

CFFCS | CarrzSynEdit: | CMD (Windows Command Prompt) | L (Linux)

cd\
:: Then navigate to Microsoft SDKs
cd "Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.7.2 Tools"
:: add this line.
gacutil -i G:\InetPub\wwwroot\MyWebSite\Upload\Bin\NReco.VideoInfo.dll
:: Next run this line
gacutil -l NReco.VideoInfo

If successful, you will receive this message.

[CMD/Linux - .NET Global Assembly Cache Utility]

CFFCS | CarrzSynEdit: | CMD (Windows Command Prompt) | L (Linux)

[Microsoft (R) .NET Global Assembly Cache Utility.  Version 4.0.30319.0
Copyright (c) Microsoft Corporation. All rights reserved.

The Global Assembly Cache contains the following assemblies:
  NReco.VideoInfo, =1.2.0.0, =neutral, =8f59ee36d2987295, =MSIL

Number of  = 1

>> NReco.VideoInfo, Version=1.2.0.0, Culture=neutral, PublicKeyToken=8f59ee36d2987295

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Next, place the code inside your web.config file.

[ASP.NET - web.config]

CFFCS | CarrzSynEdit: | ASP.NET (VB/C#)

<?xml version="1.0"?>
<configuration>
  <system.web>
    <compilation debug="true" strict="false" explicit="true" targetFramework="4.5">
      <assemblies>
        <add assembly="NReco.VideoInfo, Version=1.2.0.0, Culture=neutral, PublicKeyToken=8f59ee36d2987295"/>
      </assemblies>
    </compilation>
  </system.web>
</configuration>

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