/* * 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 rev effect from effectv * (c)2002 Ed Tannenbaum * Pd-fication by Yves Degoyon */ #include "pdp.h" #include static char *pdp_rev_version = "pdp_rev: version 0.1, port of rev from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; typedef struct pdp_rev_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_vgrabtime; t_int x_vgrab; t_int x_linespace; t_int x_vscale; t_int x_vcolor; } t_pdp_rev; static void pdp_rev_vgrabtime(t_pdp_rev *x, t_floatarg fvgrabtime ) { if ( fvgrabtime > 1 ) { x->x_vgrabtime = (int)fvgrabtime; } } static void pdp_rev_linespace(t_pdp_rev *x, t_floatarg flinespace ) { if ( flinespace > 1 ) { x->x_linespace = (int)flinespace; } } static void pdp_rev_vscale(t_pdp_rev *x, t_floatarg fvscale ) { if ( fvscale > 1 ) { x->x_vscale = (int)fvscale; } } static void pdp_rev_color(t_pdp_rev *x, t_floatarg fvcolor ) { if ( ( fvcolor > 0 ) && ( fvcolor < 0xffff ) ) { x->x_vcolor = ((int)fvcolor)<<8; } } void pdp_rev_vasulka(t_pdp_rev *x, short int *src, short int *dst, int srcx, int srcy, int dstx, int dsty, int w, int h) { short int *cdst=dst+((dsty*x->x_vwidth)+dstx); short int *nsrc, *nusrc, *nvsrc; int py,px,Y,U,V,yval; int offset; // draw the offset lines for (py=srcy; pyx_linespace) { for(px=srcx; px<=w+srcx; px++) { nsrc=src+(py*x->x_vwidth)+px; nusrc=src+(((py*x->x_vwidth)+px)>>2)+x->x_vsize; nvsrc=src+(((py*x->x_vwidth)+px)>>2)+x->x_vsize+(x->x_vsize>>2); // Calc Y Value for curpix Y = (*nsrc); U = (*nusrc); V = (*nvsrc); yval = py - ((short)(Y + U + V) / x->x_vscale) ; offset = px + yval * x->x_vwidth; if(offset >= 0 && offset < x->x_vsize ) { cdst[offset]=x->x_vcolor; cdst[x->x_vsize+(offset>>2)]=x->x_vcolor; cdst[x->x_vsize+(x->x_vsize>>2)+(offset>>2)]=x->x_vcolor; } } } } static void pdp_rev_process_yv12(t_pdp_rev *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; unsigned int totalnbpixels; totalnbpixels = x->x_vsize; 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 ); x->x_vgrab++; if (x->x_vgrab >= x->x_vgrabtime) { x->x_vgrab=0; pdp_rev_vasulka(x, data, newdata, 0, 0, 0, 0, x->x_vwidth, x->x_vheight); } return; } static void pdp_rev_sendpacket(t_pdp_rev *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_rev_process(t_pdp_rev *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_rev_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_rev_process_yv12, pdp_rev_sendpacket, &x->x_queue_id); break; case PDP_IMAGE_GREY: break; default: /* don't know the type, so dont pdp_rev_process */ break; } } } static void pdp_rev_input_0(t_pdp_rev *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_rev_process(x); } } static void pdp_rev_free(t_pdp_rev *x) { int i; pdp_queue_finish(x->x_queue_id); pdp_packet_mark_unused(x->x_packet0); } t_class *pdp_rev_class; void *pdp_rev_new(void) { int i; t_pdp_rev *x = (t_pdp_rev *)pd_new(pdp_rev_class); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("vgrabtime")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("linespace")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("vscale")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("color")); 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_vgrabtime = 1; x->x_vgrab = 0; x->x_linespace = 6; x->x_vscale = 50; x->x_vcolor = 0xffff; return (void *)x; } #ifdef __cplusplus extern "C" { #endif void pdp_rev_setup(void) { // post( pdp_rev_version ); pdp_rev_class = class_new(gensym("pdp_rev"), (t_newmethod)pdp_rev_new, (t_method)pdp_rev_free, sizeof(t_pdp_rev), 0, A_NULL); class_addmethod(pdp_rev_class, (t_method)pdp_rev_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_rev_class, (t_method)pdp_rev_vgrabtime, gensym("vgrabtime"), A_FLOAT, A_NULL); class_addmethod(pdp_rev_class, (t_method)pdp_rev_linespace, gensym("linespace"), A_FLOAT, A_NULL); class_addmethod(pdp_rev_class, (t_method)pdp_rev_vscale, gensym("vscale"), A_FLOAT, A_NULL); class_addmethod(pdp_rev_class, (t_method)pdp_rev_color, gensym("color"), A_FLOAT, A_NULL); } #ifdef __cplusplus } #endif