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GStreamer OpenMAX IL plug-in
Home Page: http://www.freedesktop.org/wiki/GstOpenMAX
License: GNU Lesser General Public License v2.1
This project forked from felipec/gst-openmax
GStreamer OpenMAX IL plug-in
Home Page: http://www.freedesktop.org/wiki/GstOpenMAX
License: GNU Lesser General Public License v2.1
'gst-openmax' is 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. This project is a collaboration between Nokia, NXP, Collabora, STMicroelectronics, Texas Instruments, and the open source community. == What's the status? == Many component wrappers have been developed for different OpenMAX IL implemenatations. === ti (OMAP-3430) === Hardware-accelerated through DSP. * H.264 video encoder/decoder * H.263 video encoder/decoder * MPEG4 video encoder/decoder * WMV video decoder * JPEG image encoder === Maemo === Uses bellagio. * MP3 audio decoder * AAC audio encoder/decoder * G.711 audio encoder/decoder * G.719 audio encoder/decoder * iLBC audio encoder/decoder * AMR-NB audio encoder/decoder * AMR-WB audio encoder/decoder === bellagio === * MP3 audio decoder (libmad) * Vorbis audio decoder * MPEG4 video decoder (FFmpeg) * H.263 video decoder (FFmpeg) * Audio sink (ALSA... not maintained) We are missing: * OpenMAX IL facilities (tunneling, clock) == How to try it == It depends on your platform, but if want to try on x86 you can use Bellagio's implementation: === omxil === So, first install Bellagio's omxil from http://omxil.sourceforge.net/, or http://downloads.sourceforge.net/omxil/libomxil-bellagio-0.9.1.tar.gz. Version 0.9.1 is recommended. Install as usual: ./configure --prefix="$HOME/omx" make make install Register the components: $HOME/omx/bin/omxregister-bellagio -v You'll get an output like this: Scanning directory /home/felipec/omx/lib/bellagio/ Scanning openMAX libary /home/felipec/omx/lib/bellagio/libomxvorbis.so Component OMX.st.audio_decoder.ogg.single registered Specific role OMX.st.audio_decoder.ogg.single registered 1 OpenMAX IL ST static components with 1 roles succesfully scanned Make sure you have: * "OMX.st.audio_decoder.mp3.mad" for MP3 decoding * "OMX.st.audio_decoder.ogg.single" for Vorbis decoding * "OMX.st.video_decoder.mpeg4" for MPEG4 video decoding === omap === In order to use gst-openmax on Texas Instruments' OMAP platform you first need to apply the patches in 'patches/omap'. === gst-openmax === ./autogen.sh --noconfigure ./configure --prefix="$HOME/omx" make install === Running === To actually use the plug-in: export GST_PLUGIN_PATH=$HOME/omx/lib/gstreamer-0.10 export LD_LIBRARY_PATH=$HOME/omx/lib You'll be able to play audio and video with MP3, Vorbis, MPEG4, H.264, or H.263 content using Bellagio's components. For MP3 you'll also need the mp3parse element, otherwise you'll get: GStreamer-CRITICAL **: gst_segment_clip: assertion `segment->format == format' failed If you want to see what's happening: export GST_DEBUG=omx:4 == How to contribute == Suscribe to the mailing list, or send a direct e-mail to [email protected]. * mailing list: https://lists.sourceforge.net/lists/listinfo/gstreamer-openmax If you find any issues please fill a bug report: * http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer&component=gst-openmax == Roadmap == * Merge tunneling branch * Documentation * More unit tests * First real release == External Links == * OpenMAX's homepage: http://www.khronos.org/openmax/ * Bellagio's homepage: http://omxil.sourceforge.net/
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