stc :: infobar

stc :: autocut_beta
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an audiovisual slicing/sequencing tool. (dedicated to w.s.b.)

autocut is now under developement at Kitchen Budapest. for updates, info please visit the project site.

this is a work in progress project. it is based on beat slicing technique which is mainly used for audio. i made an audiovisual version here:

you can choose any desired sound/movie loop and change the order, speed, direction of the individual slices. the program (built with max/msp/jitter) slices the content on the fly, so you can use it for audiovisual performances live. the film (above) is a short improvisation with the program. i will put the source here if i've finished the whole interface. to do: make the usage simple and clear. here is a screenshot of the current version:

the sound of the movie is heavily compressed (thanks for the possibilities of
msp's OMX compression library) so small clicks and tiny sounds are audible. when the direction of the film playback is less than zero, the video image is cut into several pieces. (a scissor-like effect)

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there is a possibility of making generative films: if the program chooses the
order and the length of sequences and jump between video clips.

i found a javascript in the examples (jitter v1.5<), called jsmoviebank.js which is responsible for switching between movies without interrupting the video data flow. temporarily it is hard to manage the speed and the sound of the individual clips together.
the script:

outlets = 3;

var vdim = [320,240];
var vindex = 0;
var vcount = 0;
var movarray = new Array();
var outmatrix = new Array();
var dummymatrix = new JitterMatrix(4,"char",vdim[0],vdim[1]);
var filenames = new Array();
// might want to try using an output array to avoid black flicker when switching movies

function index(i)
{
if (i>=vcount)
i = vcount-1;
if (i<0)
i = 0;

movarray[vindex].stop();
vindex = i;
movarray[vindex].start();
}

function readfolder(foldername)
{
var fold;
var i,rv;

fold = new Folder(foldername);
fold.typelist = ["MooV","PICT","MPEG","GIFf","JPEG","PNG","TIFF","SWFL","8BPS","BMP","VfW"]
if (fold.count) {
// reset old movies
for (i=0;i<vcount;i++) {
movarray[i].dispose();
movarray[i].matrixcalc(dummymatrix/*null*/,dummymatrix);
}
// build filename array
vcount = 0;
fold.reset();
filenames = new Array();
outlet(1,"clear");
// load new movies
for (i=0;i<fold.count;i++) {
fold.next();
filenames[vcount] = fold.pathname + "/" + fold.filename;
movarray[vcount] = new JitterObject("jit.qt.movie");
movarray[vcount].autostart = 0;
rv = movarray[vcount].read(filenames[vcount]);
if (rv[1]==1) { // success, read returns an array [filename,success]
if (!outmatrix[vcount])
outmatrix[vcount] = new JitterMatrix(4,"char",vdim[0],vdim[1]);
outlet(1,"append",fold.filename);
movarray[vcount].matrixcalc(outmatrix[vcount]/*null*/,outmatrix[vcount]);
vcount++;
}
}
if (vindex>=vcount)
vindex = 0;
movarray[vindex].matrixcalc(outmatrix[vindex]/*null*/,outmatrix[vindex]);
outlet(2,vcount);
}
}

function dim(width,height)
{
vdim[0] = width;
vdim[1] = height;
for (i=0;i<vcount;i++) {
outmatrix[i].dim = vdim;
}
dummymatrix.dim = vdim;
}