I have tested the patch and it wasn't working as is. i fixed a little bug and then successfully tested it on 720p stream.
Code:
RTMPDump v2.4 GIT-2011-07-11 (Compiled by KSV)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
Connecting ...
INFO: Connected...
Starting Live Stream
INFO: Metadata:
INFO: duration 0.00
INFO: width 1280.00
INFO: height 720.00
INFO: videodatarate 1464.84
INFO: framerate 30.00
INFO: videocodecid 7.00
INFO: audiodatarate 92.77
INFO: audiosamplerate 44100.00
INFO: audiosamplesize 16.00
INFO: stereo TRUE
INFO: audiocodecid 10.00
INFO: filesize 0.00
2190.062 kB / 33.58 sec