This is a simple proof-of-concept OpenMAX transcoder for the Raspberry Pi.
See the warnings in the comments at the top of omxtx.c
omxtx - OpenMAX transcoder for the Raspberry Pi Copyright (C) 2012, 2013 Dickon Hood dickon@fluff.org
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
trancoding h264 > h264 lower bitrate, stream url must end with .flv
./omxtx -b 512000 -r 640x360 rtmp://hostname/live/livefull.flv rtmp://hostname/feed/live512k.flv