OK, YouTube clearly dislikes mkv with h.264 video and vorbis audio (at least sometimes). Switched to MP4 h.264+AAC and that works.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
OK, YouTube clearly dislikes mkv with h.264 video and vorbis audio (at least sometimes). Switched to MP4 h.264+AAC and that works.