Many thanks, letheasoftware!
My friend just got it working, I’ll ask him to post his steps here for others to see. (currently we are running short on time)
Now we are figuring out why GStreamer on our Raspberry Pi won’t send live streams to the server.
I put up another question here : Live Streaming from RaspberryPi using GStreamer - Help please?
If you could have a look, it would be great!
Thanks,
Aman
Hello Aman , nice to see you going forward. Actually I didn’t work too much on Gstreamer , but when I look the error
ERROR: RTMP_ReadPacket, failed to read RTMP packet header
it’s so familiar to me 
ffmpeg gives this error lots of time .
I try to tell when I took this error , then you’ll collapse your searching term.
First of all , to check if it’s gstreamer or publish problem by publishing wirecast,ffmpeg or fmle in your pc please ?
When wowza has a secureUrl module I saw this error.
When I use aac audio codec without strict experimental params ,
Wrong application name , case sensitive or not etc,
Final note : building ffmpeg is easier than solving gstreamer problem because maybe your gstreamer has bugs ( while I’m using gstreamer , the version has a problem with working wowza and it was not stable )
-Emre Karatasoglu