Step 1: After a video has been created/uploaded in Kaltura, you can edit that video through My Media in Canvas. to get to My Media, you can click on your profile icon on the main Canvas navigation bar and then select My Media from the menu.
Step 2: Find the video that you want to edit and click on the video title. From here you can click on the Actions button and select Launch Editor.
Step 3: Once the editor has launched, you can trim the video using the sliders on the bottom of the screen.
Step 4: When the video is trimmed to the appropriate length, click Save or Save a Copy.