(The File > Export > Render Video command can create moving footage with an alpha channel. However, alpha channels are only supported in VLC 3. 4 colorful fireworks with alpha channel video Video MP4. Unfortunately, although Wirecast supports. List of video / image formats supporting alpha channels. Since ProRes enjoys wide support across most video toolchains, here is a command to create a ProRes4444 video clip from a sequence of TIFF images with alpha channel enabled. Download Vegetables And Fruits Alpha Channel Stock Video by ukrainestock. You can accomplish this by using: ffmpeg -i BACK -i OVER -filter_complex overlay=100:100 OUTPUT.