* Fix bitrate value used for video transcoding: It should be 1000 times what it is now. The video size estimation was wrong since the retrieved duration value was in milliseconds, not seconds. * Use `Duration` as the result type for `getDuration`
* Fix bitrate value used for video transcoding: It should be 1000 times what it is now. The video size estimation was wrong since the retrieved duration value was in milliseconds, not seconds. * Use `Duration` as the result type for `getDuration`