check this http://www.casparcg.com/
2015-09-07 19:28 GMT+02:00 hi <[email protected]>: > thanks for the answer! > > i will need to start to use shaders one day, i know that long already > **dream** For now the project goes back to the drawer > > I would love to see a new pd convention to find motivation for week intense > pd work.. > > > Am 26.08.2015 um 09:46 schrieb Py Fave <[email protected]>: > >> you need to use glsl shaders to do that efficiently . >> >> first check for existing shaders >> >> you will need a powerful gpu >> >> >> >> ------------ >> this is a lumakey example (was sent to me by chdh) >> -------------- >> keying.frag >> >> ------------- >> uniform float R,G,B,K; >> uniform sampler2D texture; >> >> void main (void) >> { >> float d = 0.; >> vec4 color = texture2D(texture, gl_TexCoord[0].st ); >> >> d+= abs(color.r - R); >> d+= abs(color.g - G); >> d+= abs(color.b - B); >> >> d*=K; >> >> color.a = abs(d); >> >> gl_FragColor = color; >> >> } >> >> ------------------------------ >> >> >> 2015-08-12 15:13 GMT+02:00 hi via Pd-list <[email protected]>: >>> Dear Pd folk, >>> >>> I am investigating options to improve chroma keying within pd and gem to >>> use within a theater installation. I need more advanced keying features >>> than seemingly possible with [pix_choma_key], like border corrections and >>> smoother edge transparencies. The best thing i found so far is this: >>> >>> http://forum.pdpatchrepo.info/topic/2953/neat-chroma-keying/3 >>> >>> very nice, but i would need more a quality like in readymade video mixers >>> Did any of you program anything like that? >>> >>> Also i'm trying to find out, whether a potential setup with a computer with >>> 4 HD-SDI inputs would be capable of keying 2 HD-live-signals at the same >>> time and overlay that over one HD-live-background. >>> >>> Are there any experiences (hardware and software) from your side, you could >>> share? >>> >>> I would so much love to make this happen with pd and not with an expensive >>> video mixer i would have to buy. >>> >>> Any help or ideas are appreciated. >>> >>> Love to pd, >>> >>> jonny >>> _______________________________________________ >>> [email protected] mailing list >>> UNSUBSCRIBE and account-management -> >>> http://lists.puredata.info/listinfo/pd-list > _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
