video feedback / fft trace effect using 'bitmap caching'
Archive · 200621 old posts
From the original SynthMaker forum (2004–2014), with its members’ names and dates.
angstrom ·
Ok, now when I say bitmap caching, don't get all excited - it simply writes the V output to a pair of bitmap buffers then feeds that back to the 'create bitmap'
amusing effect though and surely computationally cheaper than drawing all those vectors - I have many more ideas for improvements and fun visual additions but am meant to be working right now.
so, for your amusement
uses a brutally cut up version of Sam's FFT for the feedback source, but you can plug anything you like into it and it will do similar effects !
I am planning on using the color matrix for a bit more fun colouration 🙂
[url=http://www.plugins.timeshard.com/dev/bitmap_cache.osm]
DOWNLOAD THE OSM[/url] (note - saving while it is running is Slooooow, so stop it!)
thanks to oddson for the pointer on Bitmap Create 'step'
Tom7777 ·
Thats really cool 😀
sambean ·
Really nice! 😀
Is the blurring of old bitmaps from resizing? makes for a good effect..
I'm noticing it's 'blinking' every so often, could this be a bug? I noticed something similar with my sonogram..
Sam
Kingston ·
Cool toy.
I think that blurring is just alpha blends (didn't look the schematics yet). The edges all seem to stay sharp. No blinking here. Could be CPU+windows background task related maybe?
angstrom ·
tee hee , giggle, now I really must do some work instead of playing with this.
DOWNLOAD VERSION 2 - VISUALISER
you can do really cool video feedback with this - even after the note is release it goes into full beedback mode with the right settings.
hypnotising!
stefan ·
Freaky shit! May I suggest the next step? Modulations of the controls...
angstrom ·
heh,
I think I will do a little more with the matrix first.
well, after doing some actual 'work' 🙂
feel free to tinker though, it's all very rough and ready in the schematic, rough edges here and there.
lalo ·
yeah!! freeeeky..freeeqy
AngularMomentum ·
That's just brilliant!! Winamp comes to mind...how's about modulating this with MP3 audio?
MP3 file support in SM and one could make ones homebrew winamp version!!
dreamkeeper ·
WHOAH! Dude! That's awesome! Wild colour explosions, universes born and destroyed again, feedback forever - a freaky trip!
Wanted to post already an hour ago, just couldn't stop watching, hehe!
A little question though: with the tick25 it should update fast enough to run smoothly, yes? Is my computer too slow or what am I missing here? SM states about 0.3% CPU, although windows taskmanager says 99%, huh?! Anyone any insight? Thanks. EDIT: Just found out that it's updating only at half this rate. Still, the CPU thing seems odd...
Anyways, cool stuff!!!
Oh and btw: modulating this with audio will be cool, but even cooler it'd be converting the video back to audio! Sort of Graphic Feedback Synthesis. Just an idea...
oddson ·
dreamkeeper wrote: ...A little question though: with the tick25 it should update fast enough to run smoothly, yes? Is my computer too slow or what am I missing here? SM states about 0.3% CPU, although windows taskmanager says 99%, huh?! Anyone any insight? Thanks....
The CPU meter in SM is only monitoring audio use not graphics. See this thread.
Also see this thread about CPU usage and the redraw.
dreamkeeper ·
Ah, Ok! Thanks 🙂
angstrom ·
I'm sure there are optimisations to be made - but I tend to keep things dirty while I am playing around then settle on a function set which is fun and rationalise that.
there are still plenty of fun features to be added to this.
I did think about taking it back from bitmap data to audio data - but I think I may need to buy a new CPU before that gets included !
Shifrin ·
That's some crazy looking stuff you got going on there - I really do need to get me some more time to get back into SM 🙂
Cheers,
Shif.
oddson ·
angstrom wrote: ...thanks to oddson for the pointer on Bitmap Create 'step'
Yeah, quite clearly this was the hardest part of this simple little project! 😉
Seriously, more great work. Very impressive. 🙂
Tom7777 ·
Really cool stuff angstrom 😀 one thing i would love to have in SM is similar stuff to reaktors 3D like wave viewer like in this one -
Might be possible but im guessing new modules would need to get added 😀
It might be possible using some math to build a small 3d engine. This site seems to explain it all http://www.geocities.com/SiliconValley/2151/math3d.html
rlahalla ·
whoa, thats some crazy stuff . . . nice job!
Tom7777 ·
Thanks for the link 😀
philter5 ·
wooooah like a journey with one of the good old acid trips hehe 😈 😮
very impressive
20081225 ·
I liked so much. Perfect for audiovisual shows. This inspired me.
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