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When working with media assets in Unreal Engine 4 (UE4), there may be times where you have a series of videos that you want to play in a specific order or you want to allow players to access videos within a specific series of videos. This can be accomplished by using a Media Playlist asset which points to Media Source assets assigned in a predefined order.

In this how-to, we create a Media Playlist and allow the player to play each asset sequentially or access a specific video inside the playlist through a key press.

Steps

1. In the Content Browser expand the Sources Panel , and create a folder called Movies then right-click on it and Show in Explorer .

   In order to successfully package and deploy your video files along with your project, your videos must be placed inside the Content/Movies folder of your project.

2. Drag the Sample Video files provided into the Content/Movies folder of your project.

3. In your project, right-click in the Content/Movies folder then under Media select File Media Source .

4. Create three File Media Source assets called Video_01 , Video_02 and Video_03 respectively.

5. Inside Video_01 , point the File Path to the Gideon_720x480 file (or your desired video file) then click the Open button.

6. Repeat the previous step and assign videos for the Video_02 and Video_03 assets.

7. Create a MediaPlayer asset called MediaPlayer with an associated Media Texture , then open the MediaPlayer asset.

   Double-clicking on a video inside the Media Library window will play the selected file.

   You can also set the player to Shuffle the playback order of videos in a playlist by enabling the option in the Details panel. The Loop option will loop the playback of entire playlist (or a single source if there is only one source in the Media Playlist). Our Media Player is also set to Play on Open which means, when we open this Media Source associated with this Media Player, it will automatically start playing.

   In the Playlist window, you can save out new playlist assets, however, as of 4.18, there is no way currently to add items to a playlist inside the Media Editor.

8. Inside the Content/Movies folder of the Content Browser , right-click and under Media select Media Playlist and call it MyPlaylist .

9. Open the MyPlaylist asset, then in the Media Library window, double-click on a video and add each to the playlist.

   You can also use the Add (+) button to add new items to the playlist and the drop-down menu to select the type of Media Source to add. Inside the Playlist window you can insert, duplicate or delete items from the playlist or left-click and drag rows to reorder the playback order by clicking the tab along the left side of each row. At the top of the Media Playlist window, the Loop option is available if you want to loop the entire playlist.

10. From the Place Actors panel of the Main Editor window in the Basic tab, drag a Plane into the Level and use the Transform Tools to resize it.

    Using the

    [Transform Tools](Basics/Actors/ManipulatingActors/)
    you can move ( W key ), rotate ( E key ), or scale ( R key ) the plane as desired as we will play our videos on this Static Mesh.

11. From the Content Browser , drag the MediaPlayer_Video Media Texture asset onto the plane in the Level to create and apply a new Material.

    When dragging the Media Texture onto the Static Mesh in the Level, a Material will automatically be created and applied to the mesh, enabling us to play our videos.
    

12. With the Plane selected in the Level, in the Details panel click the Add Component button and add a Media Sound component.

    The Media Sound component enables us to associate audio with a Media Player and provides a way for the audio to be played along with our video.

13. Select the Media Sound component, then under the Media section assign your MediaPlayer asset.

14. From the Main Toolbar, click the Blueprints button and select Open Level Blueprint .

    While our video plays inside the Media Editor, in order to play during gameplay we will need to open our playlist so it can start playing.

15. In the MyBlueprint window, create a variable called MediaPlayer of the Media Player Object Reference type and set the Default Value to your Media Player asset.
    

    You may need to Compile your Blueprint in order to set the Default Value .

16. In the graph, right-click and add a 1 Keyboard Event, then hold Ctrl and drag the MediaPlayer variable into the graph.

17. Drag off the MediaPlayer variable and use Open Playlist Index (with In Playlist set to MyPlaylist ) and connect to the Pressed of the 1 keyboard event.

    Here, when the Player presses the 1 key on the keyboard, the playlist will open (and start playing) with the first video in the list. The index refers to the playlist index order specified inside your Media Playlist asset (pictured below) and is zero-based with zero being the first video in your playlist. With the Open Playlist Index node, you can specify which file you want to open within a playlist by entering its index value.

18. Right-click and add 2 and 3 keyboard events to Open Playlist Index for Index 1 and Index 2 respectively.

    With this setup, when you press 1 you will open the first file in the playlist, 2 the second and 3 the third.

19. Right-click and add a Left and Right keyboard event to call Previous and Next nodes and 0 to Open Playlist .

    The Previous and Next nodes will jump to the previous video and next video in a playlist respectively while the Open Playlist node executes the same functionality as opening a playlist at index 0 (or the start of the playlist). With these nodes, we will be able to cycle through our playlist by using the Left and Right arrow keyboard keys and pressing the 0 key will open the playlist at the start of our playlist.

20. Close the Level Blueprint then click the Play button to play in the Editor.

End Result

When you play in the Editor pressing the 1 , 2 , 3 or 0 keys will start playback at the specified index (if applicable).

When a video ends, it will automatically jump to the next video in the playlist. If you enabled Loop , once the final video in the playlist plays, it will jump back to the start of the playlist. While the video is playing, you can press the Left or Right arrow keys to jump to the previous or next video in the playlist or the 1 , 2 , or 3 keys to jump directly to a video in the playlist.