Turbo.264 HD can accept unencrypted DVD content that may be on your hard drive. Add an unencrypted VIDEO_TS folder to the Turbo.264 HD window, and then Turbo.264 HD will be able to use the video for encoding.
Press the “i” button next to each DVD video file to show the file's information. You can select which audio track to use if more than one track is available.