On Wed, 9 Jan 2013 19:19:53 +0530 Arvind R <arvin...@gmail.com> said:
> Hi all, > > My understanding is that emotion gets the video backend to render RGBA > to the evas canvas that is then displayed by the ecore-evas backend. > Correct? actually it gets the video decoder (xine/gstremer etc.) to decode to yuv... not rgb. this video coded decodes however it likes. might use software. might use hardware. not emotion's business really. :) the yuv data is then handed to the rendering engine. software of course software converts to rgba, scales and so on. gl will upload to a texture and use glsl shaders to do the conversion (gpu now does the work while it draws textures and scales) so... if you use gl - video is accelerated. only catch is the texture upload of yuv data. it depends how gl drivers implement this - with a cpu swizzle or a dedicated dma enigne. > If so, would it be possible, for instance, using the xine backend to > render directly to screen using whatever HW-accleration available to > it, and have the evas-canvas as an 'underlay' to the video screen in > order to trap events. This would mean modifying the emotion-xine > module to be an interceptor in the xine pipeline instead of being a > video_output driver. there is already code to do this with gstreamer. it's all broken and its also special-case. only allowed if you run e17 AND your video objects is unobscured etc. - and as i said.. its all broken at the moment. gl based video is far more flexible and all hw accelerated as per above. > Feasible? > > Arvind R. > > ------------------------------------------------------------------------------ > Master Java SE, Java EE, Eclipse, Spring, Hibernate, JavaScript, jQuery > and much more. Keep your Java skills current with LearnJavaNow - > 200+ hours of step-by-step video tutorials by Java experts. > SALE $49.99 this month only -- learn more at: > http://p.sf.net/sfu/learnmore_122612 > _______________________________________________ > enlightenment-users mailing list > enlightenment-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/enlightenment-users > -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) ras...@rasterman.com ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. ON SALE this month only -- learn more at: http://p.sf.net/sfu/learnmore_123012 _______________________________________________ enlightenment-users mailing list enlightenment-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-users
