On Wed, Mar 3, 2010 at 6:32 AM, Vincent Torri <vto...@univ-evry.fr> wrote: > > > On Wed, 3 Mar 2010, Carsten Haitzler (The Rasterman) wrote: > >> On Tue, 2 Mar 2010 10:20:18 +0100 (CET) Vincent Torri <vto...@univ-evry.fr> >> said: >>> >>> I've attached a tarball containing the evas sink for gstreamer, a small >>> test example and a small video (ogg/theora, 48 frames). You must have >>> gstreamer and gstreamer-plugins-base dev packages to build everything >>> >>> 1) Create the directory ~/.gstreamer-0.10/plugins >>> >>> 2) make (to build the sink and the test, and install the plugin) >>> >>> 3) ./test (to run the test) >>> >>> The plugin is not complete yet, but it's a good start. What is remaining, >>> mainly, is to managed YUV files and maybe adding mor properties. I'll add >>> it later. >>> >>> Question: should this sink goes to emotion dir, or gstreamer repo ? That >>> is, could it be used elsewhere (like in webkit-efl, for example) ? >>> >>> Vincent >>> >>> PS: thanks to Nicolas Aguirre for his help with cond/mutex. I'll never >>> understand that stuff... >> >> imoh - it probably belongs in emotion... but right now its a rgb(a) sink only > > Yes. First, i want to make it solid with BGR or BGRA or BGRx (4 chans, no > alpha). They are all the same except the padding which is 3 or 4. For > example, there is a deadlock in the new code. I don't want to add features > until the problem is solved. > >> which means its really not of any great use. once its yuv... you can finally >> get acceleration for yuv->rgb+scale (right now yuv->rgb will be done by >> gstreamer in software and then if you use evas's gl engine - u could get >> scaling accel - but its an rgba upload of pixels - and as such thats 32bit >> per >> pixel not the 12 bits that yuv would be - so more than double the upload >> bandwidth). > > I know how to deal with YUV (YV12 or I420) as i did it in emotion. > I'll add that support later (note the caps that are commented at the > beginning of evassink.c). > >> i'd say make it do yuv and put it in emotion as part of the >> gtsremaer module. expose the sink to gst runtime inside emotion (it doesnt >> need >> a .so installed if u supply your own sink from the app - right?) > > There are several locations where gstreamer searches the modules : > > * the prefix of gstreamer + lib/gstreamer-0.10 > * $HOME/.gstreamer-0.10/plugins > * the value of the env var GST_PLUGIN_PATH > * the path passed to the command line option --gst-plugin-path (if > the app uses argc/argv and if gst is correctly initialized) >
You can always make a static plugin, that is, register the gst element once the emotion lib is initialized (and the gstreamer backend). It will be part of the gst runtime, no need to create a .so. > Vincent > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > enlightenment-devel mailing list > enlightenment-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel > ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ enlightenment-devel mailing list enlightenment-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
