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Convert embedded movies to linked movies

Problem

When you insert movies into PowerPoint 2010 and later, PowerPoint embeds them unless you specifically choose to link the movies. Earlier versions always linked movies, leaving them in external files.

This can present two problems:

Solution

While embedded movies are generally A Good Thing, there are still times when linked movies are An Even Better Thing.

Once you have a presentation with embedded movies, how do you convert them to linked movies though?

You can do it manually, of course. Delete each embedded movie, then re-insert the same movie, this time choosing the option to link (click the down-arrow on the Insert button instead of just clicking Insert).

For one or two movies, this is probably the simplest way to do the job, but if you've got lots of presentations to process or presentations with lots of movies, doing it manually could be VERY tedious.

So instead, we'll go at it with VBA code. If you can move all of the needed movie files into the same folder as the PPT itself, this VBA will replace the embedded movies with linked ones.

Be sure to edit the path as directed in the comments, else it won't work, and PLEASE work on a copy of your original file.

And you might want to run a few quick experiments on putting the movies in the same folder as a test presentation and setting the path to "". That might just give you pathless links, which'll work pretty much anywhere, so long as the movies and PPT/PPTX files stay in the same folder together.

Here's the code:

Sub EmbeddedMoviesToLinkedMovies()

Dim oSl As Slide
Dim oSh As Shape
Dim x As Long
Dim sPath As String

' IMPORTANT
' Edit this to the path where your movie files are stored,
' Path must end in backslash
sPath = "C:\Stuff\MovieStuff\ThisProjectsMovieStuff\"

For Each oSl In ActivePresentation.Slides
    For x = oSl.Shapes.Count To 1 Step -1
        Set oSh = oSl.Shapes(x)
        If oSh.Type = msoMedia Then
            If oSh.MediaType = ppMediaTypeMovie Then
                If oSh.MediaFormat.IsEmbedded Then
                    Debug.Print oSh.Name
                    Call ConvertToLinked(oSh, sPath)
                End If
            End If
        End If
    Next    ' Shape
Next    ' Slide

End Sub

Sub ConvertToLinked(oSh As Shape, sPath As String)

Dim oSl As Slide
Dim oNewVid As Shape
Dim x As Long
Dim lZOrder As Long

Set oSl = oSh.Parent
lZOrder = oSh.ZOrderPosition

Set oNewVid = oSl.Shapes.AddMediaObject2(sPath & oSh.Name, _
    msoTrue, msoFalse, _
    oSh.Left, oSh.Top, _
    oSh.Width, oSh.Height)

Do Until oNewVid.ZOrderPosition = lZOrder
    oNewVid.ZOrder (msoSendBackward)
Loop

oSh.Delete
End Sub


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Convert embedded movies to linked movies
http://www.pptfaq.com/FAQ01158-Convert-embedded-movies-to-linked-movies.htm
Last update 09 November, 2012
Created: 09 November, 2012