[PD-cvs] externals/pidip/modules pdp_ocanvas.c,NONE,1.1

Update of /cvsroot/pure-data/externals/pidip/modules In directory sc8-pr-cvs1:/tmp/cvs-serv22279

Added Files: pdp_ocanvas.c Log Message: New in PiDiP 0.12.11

--- NEW FILE: pdp_ocanvas.c --- /* * PiDiP module. * Copyright (c) by Yves Degoyon (ydegoyon@free.fr) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */

/* This object is an object allowing juxtaposition of frames from two inlets * Written by Yves Degoyon */

#include "pdp.h" #include <math.h>

static char *pdp_ocanvas_version = "pdp_ocanvas: version 0.1, display for several video sources, written by Yves Degoyon (ydegoyon@free.fr)";

#define MAX_CANVAS_INPUT 10

typedef struct pdp_ocanvas_struct { t_object x_obj; t_float x_f;

t_outlet *x_outlet0; t_int x_dropped; t_int x_queue_id;

t_int x_opacket;

t_int x_current; t_float x_xmouse; t_float x_ymouse;

t_int x_average;

t_int *x_packets; t_int *x_widths; t_int *x_heights; t_float *x_xoffsets; t_float *x_yoffsets; t_int *x_sizes;

t_int x_owidth; t_int x_oheight; t_int x_osize; t_int x_nbinputs;

} t_pdp_ocanvas;

static void pdp_ocanvas_process_yv12(t_pdp_ocanvas *x) { t_int px, py, ppx, ppy, ii, nbs; short int *pY, *pU, *pV; short int *piY, *piU, *piV; t_pdp *oheader; short int *odata; t_pdp *iheader; short int *idata;

x->x_opacket = pdp_packet_new_image_YCrCb( x->x_owidth, x->x_oheight ); oheader = pdp_packet_header(x->x_opacket); odata = (short int *)pdp_packet_data(x->x_opacket);

oheader->info.image.encoding = PDP_IMAGE_YV12; oheader->info.image.width = x->x_owidth; oheader->info.image.height = x->x_oheight;

memset( odata, 0x00, (x->x_osize + (x->x_osize>>1))<<1 );

pY = odata; pV = odata+x->x_osize; pU = odata+x->x_osize+(x->x_osize>>2); for ( py=0; py<x->x_oheight; py++ ) { for ( px=0; px<x->x_owidth; px++ ) { nbs=0; for ( ii=0; ii<x->x_nbinputs; ii++) { if ( x->x_packets[ii] != -1 ) { if ( (px >= (int)x->x_xoffsets[ii]) && ( px < (int)x->x_xoffsets[ii] + x->x_widths[ii] ) && (py >= (int)x->x_yoffsets[ii]) && ( py < (int)x->x_yoffsets[ii] + x->x_heights[ii] ) ) { nbs++; idata = (short int *)pdp_packet_data(x->x_packets[ii]); piY = idata; piV = idata+x->x_sizes[ii]; piU = idata+x->x_sizes[ii]+(x->x_sizes[ii]>>2); ppx = px-(int)x->x_xoffsets[ii]; ppy = py-(int)x->x_yoffsets[ii]; *(pY+py*x->x_owidth+px) += *(piY+ppy*x->x_widths[ii]+ppx); if ( (px%2==0) && (py%2==0) ) { *(pU+(py>>1)*(x->x_owidth>>1)+(px>>1)) += *(piU+(ppy>>1)*(x->x_widths[ii]>>1)+(ppx>>1)); *(pV+(py>>1)*(x->x_owidth>>1)+(px>>1)) += *(piV+(ppy>>1)*(x->x_widths[ii]>>1)+(ppx>>1)); } } } } if ( ( nbs != 0 ) && x->x_average ) { *(pY+py*x->x_owidth+px) /= nbs; if ( (px%2==0) && (py%2==0) ) { *(pU+(py>>1)*(x->x_owidth>>1)+(px>>1)) /= nbs; *(pV+(py>>1)*(x->x_owidth>>1)+(px>>1)) /= nbs; } } } }

return; }

static void pdp_ocanvas_sendpacket(t_pdp_ocanvas *x) { /* unregister and propagate if valid dest packet */ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_opacket); }

static void pdp_ocanvas_process(t_pdp_ocanvas *x, t_int ni) { int encoding; t_pdp *header = 0;

/* check if image data packets are compatible */ if ( (header = pdp_packet_header(x->x_packets[ni])) && (PDP_IMAGE == header->type)){

/* pdp_ocanvas_process inputs and write into active inlet */ switch(pdp_packet_header(x->x_packets[ni])->info.image.encoding){

case PDP_IMAGE_YV12: pdp_queue_add(x, pdp_ocanvas_process_yv12, pdp_ocanvas_sendpacket, &x->x_queue_id); break;

case PDP_IMAGE_GREY: break;

default: /* don't know the type, so dont pdp_ocanvas_process */ break; } } }

static void pdp_ocanvas_offset(t_pdp_ocanvas *x, t_floatarg ni, t_floatarg xoffset, t_floatarg yoffset) { if ( ( ni < 1 ) || ( ni > x->x_nbinputs ) ) { post( "pdp_ocanvas : offset : wrong source : %d : must be between 1 and %d", ni, x->x_nbinputs ); return; } x->x_xoffsets[(int)ni-1] = xoffset; x->x_yoffsets[(int)ni-1] = yoffset; }

static void pdp_ocanvas_select(t_pdp_ocanvas *x, t_floatarg X, t_floatarg Y) { t_int ii;

x->x_current = -1; X = X*x->x_owidth; Y = Y*x->x_oheight; // post( "pdp_ocanvas : select %f %f", X, Y ); for ( ii=0; ii<x->x_nbinputs; ii++) { if ( x->x_packets[ii] != -1 ) { if ( (X >= x->x_xoffsets[ii]) && ( X < x->x_xoffsets[ii] + x->x_widths[ii] ) && (Y >= x->x_yoffsets[ii]) && ( Y < x->x_yoffsets[ii] + x->x_heights[ii] ) ) { x->x_current = ii; x->x_xmouse = X; x->x_ymouse = Y; } } } }

static void pdp_ocanvas_drag(t_pdp_ocanvas *x, t_floatarg X, t_floatarg Y) { X = X*x->x_owidth; Y = Y*x->x_oheight; // post( "pdp_ocanvas : drag %f %f", X, Y ); if ( x->x_current != -1 ) { x->x_xoffsets[ x->x_current ] += (X-x->x_xmouse); x->x_yoffsets[ x->x_current ] += (Y-x->x_ymouse); x->x_xmouse = X; x->x_ymouse = Y; } }

static void pdp_ocanvas_unselect(t_pdp_ocanvas *x) { x->x_current = -1; }

static void pdp_ocanvas_average(t_pdp_ocanvas *x, t_floatarg bvalue) { if ( ( bvalue == 0.0 ) || ( bvalue == 1.0 ) ) { x->x_average = (int) bvalue; } }

static void pdp_ocanvas_input(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f, t_int ni) { t_pdp *header; short int *data;

/* if this is a register_ro message or register_rw message, register with packet factory */

if (s== gensym("register_rw")) { /* release the packet */ if ( x->x_packets[ni] != -1 ) { pdp_packet_mark_unused(x->x_packets[ni]); x->x_packets[ni] = -1; } x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packets[ni], (int)f, pdp_gensym("image/YCrCb/*") ); if ( x->x_packets[ni] != -1 ) { header = pdp_packet_header(x->x_packets[ni]); x->x_widths[ni] = header->info.image.width; x->x_heights[ni] = header->info.image.height; x->x_sizes[ni] = x->x_widths[ni]*x->x_heights[ni]; } }

if ((s == gensym("process")) && (-1 != x->x_packets[ni]) && (!x->x_dropped)) { /* add the process method and callback to the process queue */ pdp_ocanvas_process(x, ni); } }

static void pdp_ocanvas_input0(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f) { pdp_ocanvas_input(x, s, f, 0); }

static void pdp_ocanvas_input1(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f) { pdp_ocanvas_input(x, s, f, 1); }

static void pdp_ocanvas_input2(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f) { pdp_ocanvas_input(x, s, f, 2); }

static void pdp_ocanvas_input3(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f) { pdp_ocanvas_input(x, s, f, 3); }

static void pdp_ocanvas_input4(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f) { pdp_ocanvas_input(x, s, f, 4); }

static void pdp_ocanvas_input5(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f) { pdp_ocanvas_input(x, s, f, 5); }

static void pdp_ocanvas_input6(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f) { pdp_ocanvas_input(x, s, f, 6); }

static void pdp_ocanvas_input7(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f) { pdp_ocanvas_input(x, s, f, 7); }

static void pdp_ocanvas_input8(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f) { pdp_ocanvas_input(x, s, f, 8); }

static void pdp_ocanvas_input9(t_pdp_ocanvas *x, t_symbol *s, t_floatarg f) { pdp_ocanvas_input(x, s, f, 9); }

static void pdp_ocanvas_free(t_pdp_ocanvas *x) { t_int ii;

pdp_queue_finish(x->x_queue_id); for ( ii=0; ii<x->x_nbinputs; ii++) { pdp_packet_mark_unused(x->x_packets[ii]); } pdp_packet_mark_unused(x->x_opacket); if ( x->x_packets ) freebytes( x->x_packets, x->x_nbinputs*sizeof(t_int) ); if ( x->x_widths ) freebytes( x->x_widths, x->x_nbinputs*sizeof(t_int) ); if ( x->x_heights ) freebytes( x->x_heights, x->x_nbinputs*sizeof(t_int) ); if ( x->x_sizes ) freebytes( x->x_sizes, x->x_nbinputs*sizeof(t_int) ); if ( x->x_xoffsets ) freebytes( x->x_xoffsets, x->x_nbinputs*sizeof(t_float) ); if ( x->x_yoffsets ) freebytes( x->x_yoffsets, x->x_nbinputs*sizeof(t_float) ); }

t_class *pdp_ocanvas_class;

void *pdp_ocanvas_new(t_symbol *s, int argc, t_atom *argv) { t_pdp_ocanvas *x = (t_pdp_ocanvas *)pd_new(pdp_ocanvas_class); t_int ii; char *imes[32];

if ( argc != 3 ) { post( "pdp_ocanvas : wrong constructor : pdp_ocanvas <width> <height> <nb inputs> (argc=%d)", argc); return NULL; } if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT || argv[2].a_type != A_FLOAT ) { post( "pdp_ocanvas : wrong constructor : pdp_ocanvas <width> <height> <nb inputs>"); return NULL; }

x->x_owidth = ( (int) argv[0].a_w.w_float / 8 ) * 8; // round to a multiple of 8 x->x_oheight = ( (int) argv[1].a_w.w_float / 8 ) * 8; // round to a multiple of 8 x->x_osize = x->x_owidth*x->x_oheight; x->x_nbinputs = (int) argv[2].a_w.w_float;

if ( x->x_owidth < 0 ) { post( "pdp_ocanvas : wrong width : %d", x->x_owidth); return NULL; } if ( x->x_oheight < 0 ) { post( "pdp_ocanvas : wrong height : %d", x->x_oheight); return NULL; } if ( x->x_nbinputs < 0 ) { post( "pdp_ocanvas : wrong number of inputs : %d", x->x_nbinputs); return NULL; } if ( x->x_nbinputs > MAX_CANVAS_INPUT ) { post( "pdp_ocanvas : number of inputs is too high : %d : only %d supported", x->x_nbinputs, MAX_CANVAS_INPUT); return NULL; }

post ( "pdp_ocanvas : new %dx%d canvas with %d inputs", x->x_owidth, x->x_oheight, x->x_nbinputs );

x->x_packets = ( t_int* ) getbytes( x->x_nbinputs*sizeof(t_int) ); x->x_widths = ( t_int* ) getbytes( x->x_nbinputs*sizeof(t_int) ); x->x_heights = ( t_int* ) getbytes( x->x_nbinputs*sizeof(t_int) ); x->x_sizes = ( t_int* ) getbytes( x->x_nbinputs*sizeof(t_int) ); x->x_xoffsets = ( t_float* ) getbytes( x->x_nbinputs*sizeof(t_float) ); x->x_yoffsets = ( t_float* ) getbytes( x->x_nbinputs*sizeof(t_float) );

x->x_opacket = pdp_packet_new_image_YCrCb( x->x_owidth, x->x_oheight );

for ( ii=0; ii<x->x_nbinputs; ii++) { sprintf( (char*)imes, "pdp%d", ii ); inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("pdp"), gensym((char*)imes) ); x->x_packets[ii] = -1; x->x_xoffsets[ii] = 0.; x->x_yoffsets[ii] = 0.; } x->x_current = -1; x->x_average = 0; x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);

return (void *)x; }

#ifdef __cplusplus extern "C" { #endif

void pdp_ocanvas_setup(void) { char *imes[32];

// post( pdp_ocanvas_version ); pdp_ocanvas_class = class_new(gensym("pdp_ocanvas"), (t_newmethod)pdp_ocanvas_new, (t_method)pdp_ocanvas_free, sizeof(t_pdp_ocanvas), 0, A_GIMME, A_NULL); class_sethelpsymbol( pdp_ocanvas_class, gensym("pdp_ocanvas.pd") );

class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_input0, gensym("pdp0"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_input1, gensym("pdp1"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_input2, gensym("pdp2"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_input3, gensym("pdp3"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_input4, gensym("pdp4"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_input5, gensym("pdp5"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_input6, gensym("pdp6"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_input7, gensym("pdp7"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_input8, gensym("pdp8"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_input9, gensym("pdp9"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_offset, gensym("offset"), A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_select, gensym("select"), A_DEFFLOAT, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_drag, gensym("drag"), A_DEFFLOAT, A_DEFFLOAT, A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_unselect, gensym("unselect"), A_NULL); class_addmethod(pdp_ocanvas_class, (t_method)pdp_ocanvas_average, gensym("average"), A_DEFFLOAT, A_NULL);

}

#ifdef __cplusplus } #endif