Platforms to show: All Mac Windows Linux Cross-Platform
Required plugins for this example: MBS VLC Plugin, MBS Util Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /VLC/Play audio
This example is the version from Sat, 15th Mar 2024.
Project "Play audio.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open()
DebugCopyLibs
End EventHandler
Sub DebugCopyLibs()
// copy vlc libs into app
// you need 32 bit version of VLC to have this work for 32bit app!
// and 64-bit libs for 64-bit app
#if TargetMacOS then
#if Target32Bit then
// we keep an old copy of version 2.0.9 for 32-bit
dim apppath as FolderItem = SpecialFolder.Applications.Child("VLC alt.app")
#else
Dim apppath As FolderItem = GetFolderItem("/Applications/VLC.app", folderitem.PathTypeNative)
#endif
if apppath<>Nil and apppath.Visible then
dim ContentsFolder as FolderItem = apppath.Child("Contents")
if ContentsFolder<>Nil and ContentsFolder.Visible then
dim MacOSFolder as FolderItem = ContentsFolder.Child("MacOS")
if MacOSFolder<>Nil and MacOSFolder.Visible then
dim TargetFolder as FolderItem = app.ExecutableFile.parent
dim LibFolder as FolderItem = MacOSFolder.Child("lib")
LibFolder.CopyFileTo TargetFolder
dim pluginsFolder as FolderItem = MacOSFolder.Child("plugins")
pluginsFolder.CopyFileTo TargetFolder
end if
end if
end if
#endif
#if TargetWin32 then
dim VideoLANFolder as FolderItem = SpecialFolder.Applications.Child("VideoLAN")
if VideoLANFolder<>Nil and VideoLANFolder.Visible then
System.DebugLog VideoLANFolder.NativePath
dim VLCFolder as FolderItem = VideoLANFolder.Child("VLC")
if VLCFolder<>Nil and VLCFolder.Exists then
dim ExecutableFolder as FolderItem = app.ExecutableFile.parent
dim libvlc as FolderItem = VLCFolder.Child("libvlc.dll")
libvlc.CopyFileTo ExecutableFolder
dim libvlccore as FolderItem = VLCFolder.Child("libvlccore.dll")
libvlccore.CopyFileTo ExecutableFolder
dim pluginsFolder as FolderItem = VLCFolder.Child("plugins")
dim destPluginsFolder as FolderItem = ExecutableFolder.Child("plugins")
// copy whole folder
dim w as new WindowsFileCopyMBS
call w.FileOperationCopy(pluginsFolder, destPluginsFolder, w.FileOperationNoErrorUI+w.FileOperationNoConfirmation)
end if
end if
#endif
#if TargetLinux
// please copy libs or put symlinks in the folder now
Break
#endif
End Sub
End Class
Class PlaybackWindow Inherits Window
Const kLibrary = "libvlc"
Control PlayButton Inherits PushButton
ControlInstance PlayButton Inherits PushButton
EventHandler Sub Action()
call mp.play
End EventHandler
End Control
Control PauseButton Inherits PushButton
ControlInstance PauseButton Inherits PushButton
EventHandler Sub Action()
mp.Pause
End EventHandler
End Control
Control VolumeSlider Inherits Slider
ControlInstance VolumeSlider Inherits Slider
EventHandler Sub ValueChanged()
mp.Volume = me.Value
LabelVolume.Text = str(me.Value)
End EventHandler
End Control
Control Label1 Inherits Label
ControlInstance Label1 Inherits Label
End Control
Control LabelVolume Inherits Label
ControlInstance LabelVolume Inherits Label
End Control
Control PositionSlider Inherits Slider
ControlInstance PositionSlider Inherits Slider
EventHandler Sub ValueChanged()
if NoEvents then Return // ignore
mp.Position = me.Value / 1000.0
Labelposition.Text = str(me.Value * mp.Length / 1000000.0, "0.0")
End EventHandler
End Control
Control Label2 Inherits Label
ControlInstance Label2 Inherits Label
End Control
Control Labelposition Inherits Label
ControlInstance Labelposition Inherits Label
End Control
Control StatusTimer Inherits Timer
ControlInstance StatusTimer Inherits Timer
EventHandler Sub Action()
NoEvents = true
if mp <> nil then
PositionSlider.Value = mp.Position * 1000.0
Labelposition.Text = str(mp.Position * mp.Length / 1000.0, "0.0")
end if
Finally
NoEvents = false
End EventHandler
End Control
EventHandler Function CancelClose(appQuitting as Boolean) As Boolean
if mp<>Nil then
mp.stop
end if
End EventHandler
EventHandler Sub Open()
dim moviefile as FolderItem = SpecialFolder.Desktop.Child("test.mp3")
if moviefile.Exists = false then
MsgBox "Please put test.mp3 on your desktop or change path in code."
Return
end if
dim LibName as string = kLibrary
dim ExecutableFolder as FolderItem = app.ExecutableFile.parent
#if TargetMacOS then
// preload library, so it's not complaining that file is not found later.
dim LibFolder as FolderItem = ExecutableFolder.Child("lib")
dim libvlccore9 as FolderItem = LibFolder.Child("libvlccore.9.dylib")
if libvlccore9 <> nil and libvlccore9.Exists then
dim s as new SoftDeclareMBS
if s.LoadDylib(libvlccore9.NativePath) then
'MsgBox "OK"
System.DebugLog libvlccore9.name+" loaded."
else
MsgBox s.Liberror
end if
end if
dim libvlccore8 as FolderItem = LibFolder.Child("libvlccore.8.dylib")
if libvlccore8 <> nil and libvlccore8.Exists then
dim s as new SoftDeclareMBS
if s.LoadDylib(libvlccore8.NativePath) then
'MsgBox "OK"
System.DebugLog libvlccore8.name+" loaded."
else
MsgBox s.Liberror
end if
end if
dim libvlc5 as FolderItem = LibFolder.Child("libvlc.5.dylib")
if libvlc5 <> nil and libvlc5.Exists then
dim s as new SoftDeclareMBS
if s.LoadDylib(libvlc5.NativePath) then
'MsgBox "OK"
LibName = libvlc5.NativePath
System.DebugLog libvlc5.name+" loaded."
else
MsgBox s.Liberror
end if
end if
// we need to put path to plugins in environment variable to make it work
dim Plugins as FolderItem = ExecutableFolder.Child("plugins")
System.EnvironmentVariable("VLC_PLUGIN_PATH") = Plugins.NativePath
#endif
// load library
if VLCInstanceMBS.LoadLibrary(LibName) then
System.DebugLog "Library Loaded."
else
msgbox "Failed to load library"+EndOfLine+EndOfLine+VLCInstanceMBS.GetLoadError
Return
end if
// startup vlc engine
dim margs(-1) as string
margs.append "--no-video-title-show" // nor the filename displayed */
margs.append "--verbose=0" // show only errors */
margs.append "--no-media-library" // don't want that */
margs.append "--no-sub-autodetect" // don't want subtitles */
margs.append "--ignore-config"
' margs.Append "--no-plugins-cache" // maybe no cache?
System.DebugLog "Init..."
dim v as new VLCInstanceMBS(margs)
System.DebugLog "Inited."
if v.Handle=0 then
msgbox "Failed to initialise."
Return
end if
// and simply play a movie. Video goes to our buffer, so we can get it in the timer
m = VLCMediaMBS.MediaWithFile(v, Moviefile)
if m = nil then
MsgBox "Failed to get media."
Return
end if
System.DebugLog "Init MediaPlayer..."
mp = new VLCMediaPlayerMBS(m)
if mp.Handle=0 then
msgbox "Failed to init media player."
Return
end if
// figure out size of video
System.DebugLog "Parse..."
m.Parse
mp.Volume = 50
call mp.Play
End EventHandler
Property Counter As Integer
Property NoEvents As Boolean
Property m As VLCMediaMBS
Property mp As VLCMediaPlayerMBS
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&Ablage"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Bearbeiten"
MenuItem EditUndo = "&Rückgängig"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "&Ausschneiden"
MenuItem EditCopy = "&Kopieren"
MenuItem EditPaste = "&Einfügen"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "&Alles auswählen"
End MenuBar
Sign
End Sign
End Project
The items on this page are in the following plugins: MBS VLC Plugin.