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→GStreamer with GST-OpenMax
=GStreamer with GST-OpenMax=
==Introduction==
This how-to will describe how to setup and use [http://freedesktop.org/wiki/GstOpenMAX gst-openmax] a GStreamer plug-in that allows communication with OpenMAX IL components. OpenMAX IL is an industry standard that provides an abstraction layer for computer graphics, video, and sound routines.
==Requirements==
==Downloads==
* gst-openmax: https://docs.google.com/file/d/0B0THh1GbRWnAcTJEbjF5N2d3Nms/edit
* gst-openmax-devel: https://docs.google.com/file/d/0B0THh1GbRWnAak1oSzBuNmlyWFU/edit
==Functional Codecs==
*omx_mp3dec
==Configuring your environment==
*These instructions have been tested on the Pandaboard Rev A1 running Fedora 17 ARM.
*Startup the Pandaboard and make sure you have internet connectivity.
*Install the Fedora 17 development tools
<pre>
yum update
yum groupinstall "Development Tools" "Development Libraries"
</pre>
*Add the RPM repositories containing the GStreamer plugins
<pre>
rpm -Uvh http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm
rpm -Uvh http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-stable.noarch.rpm
</pre>
*Install GStreamer plugins
<pre>
yum install gstreamer-{ffmpeg,plugins-{good,ugly,bad{,-free,-nonfree}}} ffmpeg
yum install gstreamer-devel gstreamer-plugins-base-devel
</pre>
==Building OpenMAX IL==
*Download the source code to a temporary directory
<pre>
mkdir -p /tmp/omx
cd /tmp/omx
wget http://downloads.sourceforge.net/omxil/libomxil-bellagio-0.9.0.tar.gz
</pre>
*Extract the tarball
<pre>
tar -xvf libomxil-bellagio-0.9.0.tar.gz
cd liboxmil-bellagio-0.9.0
</pre>
*Configure the package setting the location to our home directory
<pre>
./configure --prefix=$HOME/omx
</pre>
*Build and install
**NOTE: Run make as a normal user and make install as root (sudo)
<pre>
make
make install
</pre>
==Installing GST-OpenMAX==
* Install the RPM using the command below:
<pre>
rpm -i gst-openmax-0.2-1.fc17.x86_64.rpmrpm -i gst-openmax-devel-0.1-1.fc17.x86_64.rpm
</pre>
==Using GST-OpenMAX==
===Setting the environment===* Set the location to our libraries<pre>export GST_PLUGIN_PATH="$HOME/omx/lib/gstreamer-0.10"export LD_LIBRARY_PATH="$HOME/omx/lib"</pre> *Register omx codecs**NOTE: This command must be run by the user who complied the package<pre>~/omx/bin/omxregister-bellagio -v</pre> *Check if the codecs have been sucessfully successfully loaded
<pre>
gst-inspect | grep omx
</pre>
===Playing a song===
*Playing a mp3 file "test.mp3"
<pre>
</pre>
==Known IssuesFAQs==* Will there be support for Fedora 18?** We are currently attempting to build our package on the F18 platform but have run into some issues getting our testing environment setup. ===Errors===* (gst-launch-0.10:18996): WARNING **: libomxil-bellagio.so.0: cannot open shared object file: No such file or directory** You did not set the location to the libraries, refer to [http://zenit.senecac.on.ca/wiki/index.php?title=RPM_Packaging_and_support_for_OpenMAX&action=submit#Setting_the_environment Setting the environment] * (gst-plugin-scanner:18985): WARNING **: could not find config file '/home/ryan/.config/gst-openmax.conf'.. using defaults!** You did not install OpenMAX IL, refer to [http://zenit.senecac.on.ca/wiki/index.php?title=RPM_Packaging_and_support_for_OpenMAX&action=submit#Building_OpenMAX_IL Building OpenMAX IL]