Difference between revisions of "Vlc"

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(Update check type to match newer versions of VLC)
 
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−
[http://www.videolan.org/vlc/ VLC] (Video LAN Client) is a multimedia player.
+
[http://www.videolan.org/vlc/ VLC] (VideoLAN Client) is a multimedia player. It plays a very wide range of audio and video and DVD.
  
−
== Simple method ==
+
VLC is packaged using the [[NSIS:_Nullsoft_Scriptable_Install_System]] which means you can use the standard ISIS switches to aid installation.
 +
== VLC for all ==
 +
A combination of all mentioned tips and tricks in the long list of package flavours further down the page.
 +
<source lang="xml">
 +
<?xml version="1.0" encoding="UTF-8"?>
 +
<packages:packages
 +
        xmlns:packages="http://www.wpkg.org/packages" xmlns:wpkg="http://www.wpkg.org/wpkg" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 +
        xsi:schemaLocation="http://www.wpkg.org/packages ../xsd/packages.xsd" >
 +
    <!-- VLC simple install ; for 32-bit and 64-bit hosts -->
 +
    <package
 +
      id='vlc'
 +
      name='VideoLAN Client'
 +
      revision='%version%-20130706'
 +
      priority='10'
 +
      reboot='false' >
 +
        <variable name="version" value="2.1.5" />
 +
        <variable name="PKG_DESTINATION"    value="%ProgramFiles(x86)%\VideoLAN" architecture="x64"/>
 +
        <variable name="PKG_DESTINATION"    value="%ProgramFiles%\VideoLAN" architecture="x86"/>
 +
        <check type='uninstall' condition='versionequalto' path='VLC media player' value='%version%' />
  
−
The second install command removes the desktop shortcut (the path may have to be changed to a localized name).
+
       
 +
        <install include="remove"/>
 +
        <install cmd='%COMSPEC% /C start /wait "VLC" "%SOFTWARE%\VLC\vlc-%version%-win32.exe" /S /NCRC'/>       
 +
       
 +
        <upgrade include="install"/>
 +
       
 +
        <remove cmd='%COMSPEC% /c if exist "%PKG_DESTINATION%\VLC\uninstall.exe" "%PKG_DESTINATION%\VLC\uninstall.exe" /S _?=%PKG_DESTINATION%\VLC'/>
 +
        <remove cmd='%COMSPEC% /C if exist "%PKG_DESTINATION%" rmdir /S /Q "%PKG_DESTINATION%"'/>
 +
    </package>
 +
</packages:packages>
 +
</source>
 +
 
 +
== Native method by TGellan ==
 +
 
 +
This install method evolved from the Advanced method by SkyBeam and the Alternative method without forking.
 +
Changed to be more flexible for other countries; added variables. e.g. German users set DocaSet="Dokumente und Einstellungen" and ApplData="Anwendungsdaten"
 +
Revision should match VLC revision; downgrade section needed
  
 
<source lang="xml">
 
<source lang="xml">
 
<?xml version="1.0" encoding="UTF-8"?>
 
<?xml version="1.0" encoding="UTF-8"?>
  
−
<packages>
+
        <package id='VLC' name='VideoLAN Client' revision='%version%' priority='40' reboot='false' >
 +
                <check type='uninstall' condition='exists' path='VLC media player %version%' />
 +
                <variable name="version" value="1.1.9" />
 +
                <variable name="DocaSet" value="c:\Documents and Settings"/>
 +
                <variable name="ApplData" value="Application Data"/>
 +
                <!-- Uninstall if necessary and install new version -->
 +
                <install cmd='%COMSPEC% /c if exist "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" /S _?=%ProgramFiles%\VideoLAN\VLC'/>
 +
                <install cmd='%COMSPEC% /C if exist "%ProgramFiles%\VideoLAN\VLC" rmdir /S /Q "%ProgramFiles%\VideoLAN"'/>
 +
                <install cmd='%COMSPEC% /C start /wait "VLC" "%SOFTWARE%\VLC\vlc-%version%-win32.exe" /S /NCRC /D="%ProgramFiles%"'/>
 +
                <!-- Remove desktop shortcut. WARNING: 'Desktop' directory is for English Windows localization. Replace as needed. -->
 +
                <install cmd='%COMSPEC% /C del /F /Q "%ALLUSERSPROFILE%\Desktop\VLC media player**"'/>
 +
                <!-- In order to remove the question screen on the first start, vlcrc needs to be configured and copied to %ApplData% folder for every user -->
 +
                <install cmd='%COMSPEC% /C for /d %a in ("\%DocaSet%\*.*") do mkdir "%a\%ApplData%\vlc"'>
 +
                    <exit code='any' />
 +
                </install>
 +
                <install cmd='%COMSPEC% /C for /d %a in ("%DocaSet%\*.*") do copy /y "%SOFTWARE%\VLC\vlcrc." "%a\%ApplData%\vlc\."' />
  
−
  <package
+
                <upgrade cmd='%COMSPEC% /c if exist "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" /S _?=%ProgramFiles%\VideoLAN\VLC'/>
−
      id="vlc"
+
                <upgrade cmd='%COMSPEC% /C if exist "%ProgramFiles%\VideoLAN\VLC" rmdir /S /Q "%ProgramFiles%\VideoLAN"'/>
−
      name="Video LAN Client"
+
                <upgrade cmd='%COMSPEC% /C start /wait "VLC" "%SOFTWARE%\VLC\vlc-%version%-win32.exe" /S /NCRC /D="%ProgramFiles%"'/>
−
      revision="1"
+
                <upgrade cmd='%COMSPEC% /C del /F /Q "%ALLUSERSPROFILE%\Desktop\VLC media player**"'/>
−
      reboot="false"
+
                <upgrade cmd='%COMSPEC% /C for /d %a in ("%DocaSet%\*.*") do mkdir "%a\%ApplData%\vlc"'>
−
      priority="0">
+
                    <exit code='any' />
 +
                </upgrade>
 +
                <upgrade cmd='%COMSPEC% /C for /d %a in ("%DocaSet%\*.*") do copy /y "%SOFTWARE%\VLC\vlcrc." "%a\%ApplData%\vlc\."' />
 +
                <downgrade cmd='%COMSPEC% /c if exist "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" /S _?=%ProgramFiles%\VideoLAN\VLC'/>
 +
                <downgrade cmd='%COMSPEC% /C if exist "%ProgramFiles%\VideoLAN\VLC" rmdir /S /Q "%ProgramFiles%\VideoLAN"'/>
 +
                <downgrade cmd='%COMSPEC% /C start /wait "VLC" "%SOFTWARE%\VLC\vlc-%version%-win32.exe" /S /NCRC /D="%ProgramFiles%"'/>
 +
                <downgrade cmd='%COMSPEC% /C del /F /Q "%ALLUSERSPROFILE%\Desktop\VLC media player**"'/>
 +
                <downgrade cmd='%COMSPEC% /C for /d %a in ("%DocaSet%\*.*") do mkdir "%a\%ApplData%\vlc"'>
 +
                    <exit code='any' />
 +
                </downgrade>
 +
                <downgrade cmd='%COMSPEC% /C for /d %a in ("%DocaSet%\*.*") do copy /y "%SOFTWARE%\VLC\vlcrc." "%a\%ApplData%\vlc\."' />
 +
 
 +
                <remove cmd='%COMSPEC% /c if exist "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" /S _?=%ProgramFiles%\VideoLAN\VLC'/>
 +
                <remove cmd='%COMSPEC% /C if exist "%ProgramFiles%\VideoLAN\VLC" rmdir /S /Q "%ProgramFiles%\VideoLAN"'/>
 +
        </package>
 +
 
 +
</source>
 +
 
 +
The package silently uninstalls a previous version (or the actual in case the wpkg.xml is not present) and then installs the 1.1.1 version. Afterwards a preconfigured vlcrc is copied to any user account. <BR>
 +
Minor problem: New users on the PC will not get the vlcrc automatically, thus will still be presented with the question screen on first start.
 +
 
 +
== Simple Method ==
 +
 
 +
This install method removes the desktop shortcut (the path may have to be changed to your localized name).
 +
 
 +
<source lang="xml">
 +
<?xml version="1.0" encoding="UTF-8"?>
 +
 
 +
<packages>
  
−
      <check type="uninstall" condition="exists" path="VideoLAN VLC media player 0.9.2" />
+
        <package
−
      <install cmd='"%SOFTWARE%\vlc\vlc-0.9.2-win32.exe" /S' />
+
id='VLC'
−
      <install cmd='%CMD% /c del "%ALLUSERSPROFILE%\Desktop\VLC media player.lnk"' />
+
name='VideoLAN Client'
−
      <remove cmd='"%PROGRAMFILES%\VideoLAN\VLC\uninstall.exe" /S' />
+
revision='%version%'
 +
priority='40'
 +
reboot='false' >
 +
 +
<variable name="version" value="2.1.2" />
 +
<variable name="SOFTWARE" value="\\lesa-win01\apps"/>
 +
 +
<check type='uninstall' condition='exists' path='VLC media player %version%' />
 +
 +
<install cmd='"%SOFTWARE%\vlc\vlc-%version%-win32.exe" /S' />
 +
<!--<install cmd='%CMD% /c del "%ALLUSERSPROFILE%\Desktop\VLC media player.lnk"' />-->
 +
<remove cmd='"%PROGRAMFILES%\VideoLAN\VLC\uninstall.exe" /S' />
 
   </package>
 
   </package>
 
</packages>
 
</packages>
Line 30: Line 118:
 
VLC is a bit tricky because upgrading (installation if an installed version is already installed) is not fully unattended. It interactively asks the user if the existing version should be uninstalled first. As already mentioned above a solution would be to remove the previous version first before installing the VLC update. However also this fails since uninstall.exe forks a new process while the parent exits immediately. So if this happens too quickly then the install program still asks for confirmation.
 
VLC is a bit tricky because upgrading (installation if an installed version is already installed) is not fully unattended. It interactively asks the user if the existing version should be uninstalled first. As already mentioned above a solution would be to remove the previous version first before installing the VLC update. However also this fails since uninstall.exe forks a new process while the parent exits immediately. So if this happens too quickly then the install program still asks for confirmation.
  
−
So I did a small workaround for that:
+
So I did a workaround for that:
 
<source lang="xml">
 
<source lang="xml">
 
<?xml version="1.0" encoding="utf-8" ?>
 
<?xml version="1.0" encoding="utf-8" ?>
 
<packages>
 
<packages>
  
−
<package id='VLC' name='VLC media player' revision='9200' priority='50' reboot='false' >
+
<package id='VLC' name='VideoLAN Client' revision='1' priority='50' reboot='false' >
 
   <!-- VLC media player -->
 
   <!-- VLC media player -->
−
   <check type='uninstall' condition='exists' path='VLC media player 0.9.2' />
+
   <check type='uninstall' condition='exists' path='VLC media player 0.9.6' />
 
   <install cmd='"%SOFTWARE%\VLC\unattended.cmd"' />
 
   <install cmd='"%SOFTWARE%\VLC\unattended.cmd"' />
 
   <remove cmd='"%SOFTWARE%\VLC\unattended-uninstall.cmd"' />
 
   <remove cmd='"%SOFTWARE%\VLC\unattended-uninstall.cmd"' />
Line 46: Line 134:
 
</source>
 
</source>
  
−
I am using these scripts (unattended.cmd, unattended-uninstall.cmd) because they need to perform some more actions. Here are the contents:
+
This method requires the following scripts to perform some more actions:
 +
 
 +
===unattended.cmd===
  
−
unattended.cmd
 
 
<source lang="dos">
 
<source lang="dos">
 
@echo off
 
@echo off
  
−
set BINARY=vlc-0.9.2-win32.exe
+
set BINARY=vlc-0.9.6-win32.exe
  
−
echo Installing VLC media plyer
+
echo Installing VLC Media Player
  
 
set INSTALLER_LOC=%~dp0
 
set INSTALLER_LOC=%~dp0
Line 73: Line 162:
 
</source>
 
</source>
  
−
As you can see it calls unattended-uninstall.cmd prior to installation (any time!). The evaluation of PROG_FILES assures that it installs the 32-bit VLC player always to the correct program files directory also on 64-bit systems.
+
As you can see it calls unattended-uninstall.cmd prior to installation (any time!). The evaluation of PROG_FILES assures that it installs the 32-bit VLC always to the correct program files directory also on 64-bit systems.
 +
 
 +
===unattended-uninstall.cmd===
  
−
unattended-uninstall.cmd
 
 
<source lang="dos">
 
<source lang="dos">
 
@echo off
 
@echo off
  
−
set BINARY=vlc-0.9.2-win32.exe
+
echo Removing VLC media plyer
  
−
echo Installing VLC media plyer
 
−
 
−
set INSTALLER_LOC=%~dp0
 
−
set EXIT_CODE=0
 
 
set PROG_FILES=%ProgramFiles%
 
set PROG_FILES=%ProgramFiles%
 
if not "%ProgramFiles(x86)%" == "" set PROG_FILES=%ProgramFiles(x86)%
 
if not "%ProgramFiles(x86)%" == "" set PROG_FILES=%ProgramFiles(x86)%
 +
 +
set INSTALLER_LOC=%~dp0
 +
set VLANDIR=%PROG_FILES%\VideoLAN
 +
set UNINSTALLER=%VLANDIR%\VLC\uninstall.exe
 +
set OPTIONS=/S
  
−
echo - Removing previous version "%INSTALLER_LOC%unattended-uninstall.cmd"
+
if not exist "%UNINSTALLER%" goto good_end
−
call "%INSTALLER_LOC%unattended-uninstall.cmd"
+
start /wait "VLC uninstall" "%UNINSTALLER%" %OPTIONS%
−
 
+
REM Unfortunately the uninstaller seems to fork a child process and the parent
−
echo - Installing player
+
REM process exits immediately. So give it some time to uninstall
−
start /wait "VLC" "%INSTALLER_LOC%%BINARY%" /S /NCRC /D="%PROG_FILES%"
+
for /L %%C IN (1,1,30) DO (
−
set EXIT_CODE=%ERRORLEVEL%
+
  if not exist "%UNINSTALLER%" goto good_end
−
 
+
  ping -n 2 127.0.0.1 > NUL
−
call "%INSTALLER_LOC%cleanup.cmd"
+
)
−
 
+
:bad_end
−
exit /B %EXIT_CODE%
+
exit /B 1
 +
 +
:good_end
 +
if exist "%VLANDIR%" rmdir /s /q "%VLANDIR%"
 +
exit /B 0
 
</source>
 
</source>
  
 
As this script is called by unattended.cmd also when VLC is probably not installed it first checks if there is an uninstallation to be done. If not it just skips the uninstall, but still checks to see if the uninstaller totally cleaned up after itself.
 
As this script is called by unattended.cmd also when VLC is probably not installed it first checks if there is an uninstallation to be done. If not it just skips the uninstall, but still checks to see if the uninstaller totally cleaned up after itself.
  
−
As I wrote above the uninstaller forks a child process and exits immediately. So there is a need to wait for the uninstaller to complete. I am simply checking if the uninstaller still exists. If yes I wait for another second.
+
As described above the uninstaller forks a child process and exits immediately. So there is a need to wait for the uninstaller to complete. I am simply checking if the uninstaller still exists. If yes I wait for another second.
  
 
In order to prevent an endless-loop the uninstallation will stop after a maximum of 30 seconds.
 
In order to prevent an endless-loop the uninstallation will stop after a maximum of 30 seconds.
  
−
Finally here's my cleanup.cmd. script:
+
===cleanup.cmd===
 +
 
 
<source lang="dos">
 
<source lang="dos">
 
@echo off
 
@echo off
Line 118: Line 214:
  
 
This has been tested on Windows Vista x64.
 
This has been tested on Windows Vista x64.
 +
 +
== Alternative method without forking ==
 +
As described in the [http://nsis.sourceforge.net/When_I_use_ExecWait_uninstaller.exe_it_doesn%27t_wait_for_the_uninstaller NSIS Wiki], there is a command line argument to prevent the uninstaller from backgrounding. It cannot delete itself in this case, though so you need to do that separately.  Thus an alternative uninstall command sequence is:
 +
<source lang="xml">
 +
<uninstall cmd='"%ProgramFiles%\VideoLAN\VLC\uninstall.exe /S _?=%ProgramFiles%\VideoLAN\VLC'/>
 +
<uninstall cmd='%COMSPEC% /C rmdir /S /Q "%ProgramFiles%\VideoLAN"'/>
 +
</source>
 +
Note that there must not be spaces around the path that follows _?=
 +
  
 
[[category:Silent Installers]]
 
[[category:Silent Installers]]
 +
[[category:Security Advisories]]

Latest revision as of 22:44, 3 September 2014

VLC (VideoLAN Client) is a multimedia player. It plays a very wide range of audio and video and DVD.

VLC is packaged using the NSIS:_Nullsoft_Scriptable_Install_System which means you can use the standard ISIS switches to aid installation.

VLC for all

A combination of all mentioned tips and tricks in the long list of package flavours further down the page. 

<?xml version="1.0" encoding="UTF-8"?> 
<packages:packages
        xmlns:packages="http://www.wpkg.org/packages" xmlns:wpkg="http://www.wpkg.org/wpkg" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.wpkg.org/packages ../xsd/packages.xsd" >
    <!-- VLC simple install ; for 32-bit and 64-bit hosts -->
    <package 
      id='vlc' 
      name='VideoLAN Client' 
      revision='%version%-20130706' 
      priority='10' 
      reboot='false' >
        <variable name="version" value="2.1.5" />
        <variable name="PKG_DESTINATION"    value="%ProgramFiles(x86)%\VideoLAN" architecture="x64"/>
        <variable name="PKG_DESTINATION"    value="%ProgramFiles%\VideoLAN" architecture="x86"/>
        <check type='uninstall' condition='versionequalto' path='VLC media player' value='%version%' />

        
        <install include="remove"/>
        <install cmd='%COMSPEC% /C start /wait "VLC" "%SOFTWARE%\VLC\vlc-%version%-win32.exe" /S /NCRC'/>        
        
        <upgrade include="install"/>
        
        <remove cmd='%COMSPEC% /c if exist "%PKG_DESTINATION%\VLC\uninstall.exe" "%PKG_DESTINATION%\VLC\uninstall.exe" /S _?=%PKG_DESTINATION%\VLC'/>
        <remove cmd='%COMSPEC% /C if exist "%PKG_DESTINATION%" rmdir /S /Q "%PKG_DESTINATION%"'/>
    </package>
</packages:packages>

Native method by TGellan

This install method evolved from the Advanced method by SkyBeam and the Alternative method without forking. Changed to be more flexible for other countries; added variables. e.g. German users set DocaSet="Dokumente und Einstellungen" and ApplData="Anwendungsdaten" Revision should match VLC revision; downgrade section needed 

<?xml version="1.0" encoding="UTF-8"?>

        <package id='VLC' name='VideoLAN Client' revision='%version%' priority='40' reboot='false' >
                <check type='uninstall' condition='exists' path='VLC media player %version%' />
                <variable name="version" value="1.1.9" />
                <variable name="DocaSet" value="c:\Documents and Settings"/>
                <variable name="ApplData" value="Application Data"/>
                <!-- Uninstall if necessary and install new version -->
                <install cmd='%COMSPEC% /c if exist "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" /S _?=%ProgramFiles%\VideoLAN\VLC'/>
                <install cmd='%COMSPEC% /C if exist "%ProgramFiles%\VideoLAN\VLC" rmdir /S /Q "%ProgramFiles%\VideoLAN"'/>
                <install cmd='%COMSPEC% /C start /wait "VLC" "%SOFTWARE%\VLC\vlc-%version%-win32.exe" /S /NCRC /D="%ProgramFiles%"'/>
                <!-- Remove desktop shortcut. WARNING: 'Desktop' directory is for English Windows localization. Replace as needed. -->
                <install cmd='%COMSPEC% /C del /F /Q "%ALLUSERSPROFILE%\Desktop\VLC media player**"'/>
                <!-- In order to remove the question screen on the first start, vlcrc needs to be configured and copied to %ApplData% folder for every user -->
                <install cmd='%COMSPEC% /C for /d %a in ("\%DocaSet%\*.*") do mkdir "%a\%ApplData%\vlc"'>
                    <exit code='any' />
                </install>
                <install cmd='%COMSPEC% /C for /d %a in ("%DocaSet%\*.*") do copy /y "%SOFTWARE%\VLC\vlcrc." "%a\%ApplData%\vlc\."' />

                <upgrade cmd='%COMSPEC% /c if exist "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" /S _?=%ProgramFiles%\VideoLAN\VLC'/>
                <upgrade cmd='%COMSPEC% /C if exist "%ProgramFiles%\VideoLAN\VLC" rmdir /S /Q "%ProgramFiles%\VideoLAN"'/>
                <upgrade cmd='%COMSPEC% /C start /wait "VLC" "%SOFTWARE%\VLC\vlc-%version%-win32.exe" /S /NCRC /D="%ProgramFiles%"'/>
                <upgrade cmd='%COMSPEC% /C del /F /Q "%ALLUSERSPROFILE%\Desktop\VLC media player**"'/>
                <upgrade cmd='%COMSPEC% /C for /d %a in ("%DocaSet%\*.*") do mkdir "%a\%ApplData%\vlc"'>
                    <exit code='any' />
                </upgrade>
                <upgrade cmd='%COMSPEC% /C for /d %a in ("%DocaSet%\*.*") do copy /y "%SOFTWARE%\VLC\vlcrc." "%a\%ApplData%\vlc\."' />
                <downgrade cmd='%COMSPEC% /c if exist "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" /S _?=%ProgramFiles%\VideoLAN\VLC'/>
                <downgrade cmd='%COMSPEC% /C if exist "%ProgramFiles%\VideoLAN\VLC" rmdir /S /Q "%ProgramFiles%\VideoLAN"'/>
                <downgrade cmd='%COMSPEC% /C start /wait "VLC" "%SOFTWARE%\VLC\vlc-%version%-win32.exe" /S /NCRC /D="%ProgramFiles%"'/>
                <downgrade cmd='%COMSPEC% /C del /F /Q "%ALLUSERSPROFILE%\Desktop\VLC media player**"'/>
                <downgrade cmd='%COMSPEC% /C for /d %a in ("%DocaSet%\*.*") do mkdir "%a\%ApplData%\vlc"'>
                    <exit code='any' />
                </downgrade>
                <downgrade cmd='%COMSPEC% /C for /d %a in ("%DocaSet%\*.*") do copy /y "%SOFTWARE%\VLC\vlcrc." "%a\%ApplData%\vlc\."' />

                <remove cmd='%COMSPEC% /c if exist "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" "%ProgramFiles%\VideoLAN\VLC\uninstall.exe" /S _?=%ProgramFiles%\VideoLAN\VLC'/>
                <remove cmd='%COMSPEC% /C if exist "%ProgramFiles%\VideoLAN\VLC" rmdir /S /Q "%ProgramFiles%\VideoLAN"'/>
        </package>

The package silently uninstalls a previous version (or the actual in case the wpkg.xml is not present) and then installs the 1.1.1 version. Afterwards a preconfigured vlcrc is copied to any user account.
Minor problem: New users on the PC will not get the vlcrc automatically, thus will still be presented with the question screen on first start.

Simple Method

This install method removes the desktop shortcut (the path may have to be changed to your localized name). 

<?xml version="1.0" encoding="UTF-8"?>

<packages>

        <package 
			id='VLC' 
			name='VideoLAN Client' 
			revision='%version%' 
			priority='40' 
			reboot='false' >
				
				<variable name="version" value="2.1.2" />
				<variable name="SOFTWARE"	value="\\lesa-win01\apps"/>				
				
				<check type='uninstall' condition='exists' path='VLC media player %version%' />
								
				<install cmd='"%SOFTWARE%\vlc\vlc-%version%-win32.exe" /S' />
				<!--<install cmd='%CMD% /c del "%ALLUSERSPROFILE%\Desktop\VLC media player.lnk"' />-->
				<remove cmd='"%PROGRAMFILES%\VideoLAN\VLC\uninstall.exe" /S' />
   </package>
</packages>

Upgrade is also possible, but there are issues. See the advanced method for how to achieve this.

Advanced method by SkyBeam

VLC is a bit tricky because upgrading (installation if an installed version is already installed) is not fully unattended. It interactively asks the user if the existing version should be uninstalled first. As already mentioned above a solution would be to remove the previous version first before installing the VLC update. However also this fails since uninstall.exe forks a new process while the parent exits immediately. So if this happens too quickly then the install program still asks for confirmation.

So I did a workaround for that: 

<?xml version="1.0" encoding="utf-8" ?>
<packages>

<package id='VLC' name='VideoLAN Client' revision='1' priority='50' reboot='false' >
  <!-- VLC media player -->
  <check type='uninstall' condition='exists' path='VLC media player 0.9.6' />
  <install cmd='"%SOFTWARE%\VLC\unattended.cmd"' />
  <remove cmd='"%SOFTWARE%\VLC\unattended-uninstall.cmd"' />
  <upgrade cmd='"%SOFTWARE%\VLC\unattended.cmd"' />
</package>

</packages>

This method requires the following scripts to perform some more actions:

unattended.cmd

@echo off

set BINARY=vlc-0.9.6-win32.exe

echo Installing VLC Media Player

set INSTALLER_LOC=%~dp0
set EXIT_CODE=0
set PROG_FILES=%ProgramFiles%
if not "%ProgramFiles(x86)%" == "" set PROG_FILES=%ProgramFiles(x86)%

echo - Removing previous version "%INSTALLER_LOC%unattended-uninstall.cmd"
call "%INSTALLER_LOC%unattended-uninstall.cmd"

echo - Installing player
start /wait "VLC" "%INSTALLER_LOC%%BINARY%" /S /NCRC /D="%PROG_FILES%"
set EXIT_CODE=%ERRORLEVEL%

call "%INSTALLER_LOC%cleanup.cmd"

exit /B %EXIT_CODE%

As you can see it calls unattended-uninstall.cmd prior to installation (any time!). The evaluation of PROG_FILES assures that it installs the 32-bit VLC always to the correct program files directory also on 64-bit systems.

unattended-uninstall.cmd

@echo off

echo Removing VLC media plyer

set PROG_FILES=%ProgramFiles%
if not "%ProgramFiles(x86)%" == "" set PROG_FILES=%ProgramFiles(x86)%
 
set INSTALLER_LOC=%~dp0
set VLANDIR=%PROG_FILES%\VideoLAN
set UNINSTALLER=%VLANDIR%\VLC\uninstall.exe
set OPTIONS=/S

if not exist "%UNINSTALLER%" goto good_end
start /wait "VLC uninstall" "%UNINSTALLER%" %OPTIONS%
REM Unfortunately the uninstaller seems to fork a child process and the parent
REM process exits immediately. So give it some time to uninstall
for /L %%C IN (1,1,30) DO (
  if not exist "%UNINSTALLER%" goto good_end
  ping -n 2 127.0.0.1 > NUL
)
:bad_end
exit /B 1
 
:good_end
if exist "%VLANDIR%" rmdir /s /q "%VLANDIR%"
exit /B 0

As this script is called by unattended.cmd also when VLC is probably not installed it first checks if there is an uninstallation to be done. If not it just skips the uninstall, but still checks to see if the uninstaller totally cleaned up after itself.

As described above the uninstaller forks a child process and exits immediately. So there is a need to wait for the uninstaller to complete. I am simply checking if the uninstaller still exists. If yes I wait for another second.

In order to prevent an endless-loop the uninstallation will stop after a maximum of 30 seconds.

cleanup.cmd

@echo off

echo Removing unnecessary shortcuts
del /F /Q "%ALLUSERSPROFILE%\Desktop\VLC media player**"
del /F /Q "%PUBLIC%\Desktop\VLC media player**"

exit /B 0

This has been tested on Windows Vista x64.

Alternative method without forking

As described in the NSIS Wiki, there is a command line argument to prevent the uninstaller from backgrounding. It cannot delete itself in this case, though so you need to do that separately. Thus an alternative uninstall command sequence is: 

<uninstall cmd='"%ProgramFiles%\VideoLAN\VLC\uninstall.exe /S _?=%ProgramFiles%\VideoLAN\VLC'/>
<uninstall cmd='%COMSPEC% /C rmdir /S /Q "%ProgramFiles%\VideoLAN"'/>

Note that there must not be spaces around the path that follows _?=

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