/* * 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 adaptation of lens effect from effectv * Originally written by Fukuchi Kentaro & others * Pd-fication by Yves Degoyon */ #include "pdp.h" #include "yuv.h" #include static char *pdp_spotlight_version = "pdp_spotlight: version 0.1, specially made for cabaret, written by Yves Degoyon (ydegoyon@free.fr)"; typedef struct pdp_spotlight_struct { t_object x_obj; t_float x_f; t_outlet *x_outlet0; int x_packet0; int x_packet1; int x_dropped; int x_queue_id; int x_vwidth; int x_vheight; int x_vsize; int x_cx; // coordinates of lens center int x_cy; // coordinates of lens center int x_ssize; // width of the spotlight t_float x_strength; // strength of the light (0<=strength<=1) int x_colorR; // red component of the color int x_colorG; // green component of the color int x_colorB; // blue component of the color } t_pdp_spotlight; static void pdp_spotlight_ssize(t_pdp_spotlight *x, t_floatarg fssize ) { if ( fssize>=0 ) { x->x_ssize = (int)fssize; } } static void pdp_spotlight_cy(t_pdp_spotlight *x, t_floatarg fcy ) { if ( fcy>0 ) { x->x_cy = (int)fcy; } } static void pdp_spotlight_cx(t_pdp_spotlight *x, t_floatarg fcx ) { if ( fcx>0 ) { x->x_cx = (int)fcx; } } static void pdp_spotlight_r(t_pdp_spotlight *x, t_floatarg fr ) { if ( ( fr >= 0 ) && ( fr <= 255 ) ) { x->x_colorR = (int)fr; } } static void pdp_spotlight_g(t_pdp_spotlight *x, t_floatarg fg ) { if ( ( fg >= 0 ) && ( fg <= 255 ) ) { x->x_colorG = (int)fg; } } static void pdp_spotlight_b(t_pdp_spotlight *x, t_floatarg fb ) { if ( ( fb >= 0 ) && ( fb <= 255 ) ) { x->x_colorB = (int)fb; } } static void pdp_spotlight_strength(t_pdp_spotlight *x, t_floatarg fstrength ) { if ( ( fstrength >= 0.0 ) && ( fstrength <= 1.0 ) ) { x->x_strength = fstrength; } } static void pdp_spotlight_process_yv12(t_pdp_spotlight *x) { t_pdp *header = pdp_packet_header(x->x_packet0); short int *data = (short int *)pdp_packet_data(x->x_packet0); t_pdp *newheader = pdp_packet_header(x->x_packet1); short int *newdata = (short int *)pdp_packet_data(x->x_packet1); int i; short int *poy, *pou, *pov, *pny, *pnu, *pnv; short int pmx, pMx, pmy, pMy; int px, py, ray2; x->x_vwidth = header->info.image.width; x->x_vheight = header->info.image.height; x->x_vsize = x->x_vwidth*x->x_vheight; newheader->info.image.encoding = header->info.image.encoding; newheader->info.image.width = x->x_vwidth; newheader->info.image.height = x->x_vheight; memcpy(newdata, data, (x->x_vsize + (x->x_vsize>>1))<<1); poy = data; pou = data + x->x_vsize; pov = data + x->x_vsize + (x->x_vsize>>2); pny = newdata; pnu = newdata + x->x_vsize; pnv = newdata + x->x_vsize + (x->x_vsize>>2); if ( x->x_cy-x->x_ssize < 0 ) { pmy=0; } else { pmy=x->x_cy-x->x_ssize; } if ( x->x_cy+x->x_ssize > x->x_vheight ) { pMy=x->x_vheight-1; } else { pMy=x->x_cy+x->x_ssize; } if ( x->x_cx-x->x_ssize < 0 ) { pmx=0; } else { pmx=x->x_cx-x->x_ssize; } if ( x->x_cx+x->x_ssize > x->x_vwidth ) { pMx=x->x_vwidth-1; } else { pMx=x->x_cx+x->x_ssize; } ray2 = pow( x->x_ssize, 2 ); for (py = pmy; py <= pMy ; py++) { for (px = pmx; px <= pMx; px++) { if ( ( pow( (px-x->x_cx), 2 ) + pow( (py-x->x_cy), 2 ) ) < ray2 ) { *(pny+py*x->x_vwidth+px) = (t_float)(*(pny+py*x->x_vwidth+px))*(1.-x->x_strength) + (t_float)(((yuv_RGBtoY( (x->x_colorB << 16) + (x->x_colorG << 8) + x->x_colorR ))<<7)) *(x->x_strength); *(pnu+(py>>1)*(x->x_vwidth>>1)+(px>>1)) = (t_float)(*(pnu+(py>>1)*(x->x_vwidth>>1)+(px>>1)))*(1.-x->x_strength) + (t_float)(((yuv_RGBtoU( (x->x_colorB << 16) + (x->x_colorG << 8) + x->x_colorR ))-128)<<8)*(x->x_strength); *(pnv+(py>>1)*(x->x_vwidth>>1)+(px>>1)) = (t_float)(*(pnv+(py>>1)*(x->x_vwidth>>1)+(px>>1)))*(1.-x->x_strength) + (t_float)(((yuv_RGBtoV( (x->x_colorB << 16) + (x->x_colorG << 8) + x->x_colorR ))-128)<<8)*(x->x_strength); } } } return; } static void pdp_spotlight_sendpacket(t_pdp_spotlight *x) { /* release the packet */ pdp_packet_mark_unused(x->x_packet0); x->x_packet0 = -1; /* unregister and propagate if valid dest packet */ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet1); } static void pdp_spotlight_process(t_pdp_spotlight *x) { int encoding; t_pdp *header = 0; /* check if image data packets are compatible */ if ( (header = pdp_packet_header(x->x_packet0)) && (PDP_IMAGE == header->type)){ /* pdp_spotlight_process inputs and write into active inlet */ switch(pdp_packet_header(x->x_packet0)->info.image.encoding){ case PDP_IMAGE_YV12: x->x_packet1 = pdp_packet_clone_rw(x->x_packet0); pdp_queue_add(x, pdp_spotlight_process_yv12, pdp_spotlight_sendpacket, &x->x_queue_id); break; default: /* don't know the type, so dont pdp_spotlight_process */ break; } } } static void pdp_spotlight_input_0(t_pdp_spotlight *x, t_symbol *s, t_floatarg f) { /* if this is a register_ro message or register_rw message, register with packet factory */ if (s== gensym("register_rw")) { x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packet0, (int)f, pdp_gensym("image/YCrCb/*") ); } if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)) { /* add the process method and callback to the process queue */ pdp_spotlight_process(x); } } static void pdp_spotlight_free(t_pdp_spotlight *x) { int i; pdp_queue_finish(x->x_queue_id); pdp_packet_mark_unused(x->x_packet0); } t_class *pdp_spotlight_class; void *pdp_spotlight_new(void) { int i; t_pdp_spotlight *x = (t_pdp_spotlight *)pd_new(pdp_spotlight_class); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("cx")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("cy")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ssize")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("r")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("g")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("b")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("strength")); x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); x->x_packet0 = -1; x->x_packet1 = -1; x->x_queue_id = -1; x->x_cx = 70; x->x_cy = 70; x->x_ssize = 50; x->x_colorR = 255; x->x_colorG = 255; x->x_colorB = 255; x->x_strength = 0.5; return (void *)x; } #ifdef __cplusplus extern "C" { #endif void pdp_spotlight_setup(void) { // post( pdp_spotlight_version ); pdp_spotlight_class = class_new(gensym("pdp_spotlight"), (t_newmethod)pdp_spotlight_new, (t_method)pdp_spotlight_free, sizeof(t_pdp_spotlight), 0, A_NULL); class_addmethod(pdp_spotlight_class, (t_method)pdp_spotlight_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_spotlight_class, (t_method)pdp_spotlight_cx, gensym("cx"), A_FLOAT, A_NULL); class_addmethod(pdp_spotlight_class, (t_method)pdp_spotlight_cy, gensym("cy"), A_FLOAT, A_NULL); class_addmethod(pdp_spotlight_class, (t_method)pdp_spotlight_ssize, gensym("ssize"), A_FLOAT, A_NULL); class_addmethod(pdp_spotlight_class, (t_method)pdp_spotlight_r, gensym("r"), A_FLOAT, A_NULL); class_addmethod(pdp_spotlight_class, (t_method)pdp_spotlight_g, gensym("g"), A_FLOAT, A_NULL); class_addmethod(pdp_spotlight_class, (t_method)pdp_spotlight_b, gensym("b"), A_FLOAT, A_NULL); class_addmethod(pdp_spotlight_class, (t_method)pdp_spotlight_strength, gensym("strength"), A_FLOAT, A_NULL); } #ifdef __cplusplus } #endif