yo. thnx for all your help & education. i feel ready to take it from here. pd is a powerful tool no dubt.
my performance issue is probably due to the macbook having a not-so great video card. i'll try different compressions or jus load the whole bulk. till next time, tom On Nov 13, 2007 1:17 AM, simon wise <[EMAIL PROTECTED]> wrote: > > On 13 Nov 2007, at 8:35 AM, tom tlalim wrote: > > > ah, nice one - thanx! > > great idea to load image parts while scrolling! this enables panoramas > > of different lengths. > > the only issue is i get a little jump in scrolling speed when new > > files get loaded (mine are 1500 X 425 ±400k each) > > yes - it depends on your machine, if it is fast enough then you can > get away with loading without it being too noticeable, otherwise to > get it smooth on a slower machine you need to have multiple > [pix_image] objects and load them all first. Depending on the desired > results you can play around with the [gemwin] rate and with the > resolution and compression of your image files (different codecs may > load faster, no compression could be an advantage and Gem scales > lower resolutions up quite nicely). You could also try tricks like > making a ramdisk to hold the files in ram - then loading them to the > GPU could be faster but I haven't needed to go down that path yet. It > is possible that you could do the file reading/texturing happen in > one instance of pd with a lower priority and pass the texture ID > across to another pd which does the playing - but this may just be > fantasy and I certainly haven't tried it. > > What I have generally done for performances is make sure nothing > unnecessary is running on the machines that run the video mixing > patch, and running pd -nogui controlling everything via a midi fader > desk or from a pd control patch on another computer on the network. > This has worked well for me running video clips, live camera and > still images on several screens from 1 controller. > > > simon > > _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
