Choose File > Place, and then double-click the movie or sound file. Click where you want the movie to appear. (If you drag to create the media frame, the movie boundary may appear cropped or skewed.)
When you place a movie or sound file, a media object appears in a frame. This media object links to the media file. You can resize the media object to determine the size of the play area.
If the center point of the movie appears outside the page, the movie is not exported.
 InDesign is not supporting the playback option for embedded YouTube videos because the YouTube URLs are changed to secure links (https), and therefore, the embedded YouTube video links (http) will not work.
InDesign is not supporting the playback option for embedded YouTube videos because the YouTube URLs are changed to secure links (https), and therefore, the embedded YouTube video links (http) will not work. and drag one of the corner handles (hold down Shift to maintain proportions).
 and drag one of the corner handles (hold down Shift to maintain proportions). to drag a corner handle.
 to drag a corner handle. to select the poster. Switch to the Selection tool, and then drag a corner handle.
 to select the poster. Switch to the Selection tool, and then drag a corner handle.