Unity Pro, Movie Texture, Dynamic Load of ogv file

I have created a 10 second clip with audio and video. I added a plane to my scene. I added the ogv file to my project. I attach the video and the audio to the plane and see that the mesh renderer has updated appropriately. I start the application in the editor, and the movie plays. So I copy my ogv file to a web site because I want to load it dynamically and replace the MovieTexture's texture with the download file.

Code (csharp):

1. private IEnumerator DownloadFile(string downloadUrl)
2. {
3.     WWW www = new WWW(downloadUrl);
4.     while(!www.movie.isReadyToPlay)
5.         yield return www;
6.        
7.     try
8.     {          
9.         if (www.error != null)
10.             Debug.Log("EarthRotator.DownloadFile(): WWW Error - " + www.error);
11.         else
12.         {
13.             _movieTexture = www.movie;
14.             _movieTexture.Play();
15.                
16.             Debug.Log("Movie is playing!");
17.         }
18.     }
19.     catch(Exception ex)
20.     {
21.         Debug.Log("EarthRotator.DownloadFile(): Exception - " + ex.Message);
22.         Exception innerEx = ex.InnerException;
23.         while (innerEx != null)
24.         {
25.             Debug.Log("EarthRotator.DownloadFile(): Inner Exception - " + innerEx.Message);
26.             innerEx = innerEx.InnerException;
27.             }
28.     }
29. }
30.  

The files downloads fine and is ready to play. I get no exceptions. I see the message, "Movie is playing!" But nothing happens. The same file that I'm playing in the project will not play when loaded dynamically to the same MovieTexture.

Here is a link to the file. I created it with ffmpeg2theora. It plays in VLC.

http://www.galaware.net/Videos/AsteroidChase.ogv

 

I found a way to code it so that it would work.

Instead of using a 3d plane with a material whose texture is a MovieTexture, I use a GUITexture with a MovieTexture. And that works.

_guiTexture.texture = www.movie;
((MovieTexture)_guiTexture.texture).Play();

 

Hi, I need your help. I have a script

Could you show a full example of the corrected code and components Plane?
How you used the IEnumerator function?
ty.