/* * 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 1d effect from effectv * but i found it funnier to rename it as underwatch * Originally written by Fukuchi Kentaro & others * Pd-fication by Yves Degoyon */ #include "pdp.h" #include static char *pdp_underwatch_version = "pdp_underwatch: version 0.1, inspired by 1d from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; typedef struct pdp_underwatch_struct { t_object x_obj; t_float x_f; t_outlet *x_outlet0; t_int x_packet0; t_int x_packet1; t_int x_dropped; t_int x_queue_id; t_int x_vwidth; t_int x_vheight; t_int x_vsize; t_int x_line; t_int x_sline; t_int x_sheight; t_int x_prevline; t_int x_prevsline; t_int x_prevsheight; t_int x_stripsize; } t_pdp_underwatch; static void pdp_underwatch_setparams(t_pdp_underwatch *x) { int snext; x->x_sline = x->x_line; snext = (x->x_line + 1); x->x_sheight = snext - x->x_sline; } static void pdp_underwatch_process_yv12(t_pdp_underwatch *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); short int *p=0, *po=0, *pu=0, *pv=0, *pou=0, *pov=0; int i; unsigned int u_offset; unsigned int v_offset; unsigned int totnbpixels; int px, py, pd, t; x->x_vwidth = header->info.image.width; x->x_vheight = header->info.image.height; x->x_vsize = x->x_vwidth*x->x_vheight; u_offset = x->x_vsize; v_offset = x->x_vsize + (x->x_vsize>>2); totnbpixels = x->x_vsize + (x->x_vsize>>1); newheader->info.image.encoding = header->info.image.encoding; newheader->info.image.width = x->x_vwidth; newheader->info.image.height = x->x_vheight; /* copy region */ for (pd=0; pdx_stripsize; pd++ ) { p = newdata+x->x_vwidth*x->x_sline; pu = newdata+((x->x_vwidth*x->x_sline)>>2)+x->x_vsize; pv = newdata+((x->x_vwidth*x->x_sline)>>2)+x->x_vsize+(x->x_vsize>>2); po = data+x->x_vwidth*x->x_line; pou = data+((x->x_vwidth*x->x_line)>>2)+x->x_vsize; pov = data+((x->x_vwidth*x->x_line)>>2)+x->x_vsize+(x->x_vsize>>2); // post("INIT : pov=%x limit=%x", pov, data+x->x_vsize+(x->x_vsize>>1) ); for(py=0; py<=x->x_sheight; py++) { for(px=0; pxx_vwidth; px++) { if( po < data+x->x_vsize+(x->x_vsize>>1) ) *p = *po; if( pou < data+x->x_vsize+(x->x_vsize>>1) ) *(pu) = *(pou); if( pov < data+x->x_vsize+(x->x_vsize>>1) ) *(pv) = *(pov); p++; po++; if ( ((px+1)%2==0) && ((py+1)%2==0) ) { pu++; pv++; pou++; pov++; }; } } x->x_prevline = x->x_line; x->x_prevsline = x->x_sline; x->x_prevsheight = x->x_sheight; x->x_line=(x->x_line+1)%(x->x_vheight); pdp_underwatch_setparams(x); //p = newdata + x->x_vwidth * x->x_sline+1; //for(px=0; pxx_vwidth; px++) //{ // p[px] = 0xff00; //} } return; } static void pdp_underwatch_sendpacket(t_pdp_underwatch *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_underwatch_process(t_pdp_underwatch *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_underwatch_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_underwatch_process_yv12, pdp_underwatch_sendpacket, &x->x_queue_id); break; case PDP_IMAGE_GREY: // pdp_underwatch_process_packet(x); break; default: /* don't know the type, so dont pdp_underwatch_process */ break; } } } static void pdp_underwatch_stripsize(t_pdp_underwatch *x, t_floatarg fstripsize ) { if ( fstripsize>0 && fstripsizex_vheight ) { x->x_stripsize = (int)fstripsize; } } static void pdp_underwatch_input_0(t_pdp_underwatch *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_underwatch_process(x); } } static void pdp_underwatch_free(t_pdp_underwatch *x) { int i; pdp_queue_finish(x->x_queue_id); pdp_packet_mark_unused(x->x_packet0); } t_class *pdp_underwatch_class; void *pdp_underwatch_new(void) { int i; t_pdp_underwatch *x = (t_pdp_underwatch *)pd_new(pdp_underwatch_class); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("stripsize")); 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_line = 0; pdp_underwatch_setparams(x); x->x_prevline = 0; x->x_prevsline = 0; x->x_prevsheight = 0; x->x_stripsize = 10; return (void *)x; } #ifdef __cplusplus extern "C" { #endif void pdp_underwatch_setup(void) { // post( pdp_underwatch_version ); pdp_underwatch_class = class_new(gensym("pdp_underwatch"), (t_newmethod)pdp_underwatch_new, (t_method)pdp_underwatch_free, sizeof(t_pdp_underwatch), 0, A_NULL); class_addmethod(pdp_underwatch_class, (t_method)pdp_underwatch_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_underwatch_class, (t_method)pdp_underwatch_stripsize, gensym("stripsize"), A_FLOAT, A_NULL); } #ifdef __cplusplus } #endif