which format of live stream? RTMP?
what do you want get in output? RTMP? Do you have RTMP streaming server? Or do you want to get mpg/mp4 on out?
Does hash tag appear on the screen in the same place whole time?
We have extensive experience in working with PHP and the GD library. In addition, since we are college students as well as gamers, we know what streamers need and can provide a suitable solution given our perspective.