/* * 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 warp effect from effectv * Originally written by Fukuchi Kentaro & others * Pd-fication by Yves Degoyon */ #include "pdp.h" #include #define DEFAULT_PLANES 16 #define DEFAULT_TOLERANCE 5 static int fastrand_val=0; #define inline_fastrand() (fastrand_val=fastrand_val*1103515245+12345) static char *pdp_noquark_version = "pdp_noquark: version 0.1, port of quark from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; static char* the_wave_table = NULL; typedef struct pdp_noquark_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; short int *x_buffer; short int **x_planetable; t_int x_plane; t_int x_planes; t_int x_tolerance; } t_pdp_noquark; static void pdp_noquark_free_ressources(t_pdp_noquark *x) { if ( x->x_buffer ) free ( x->x_buffer ); if ( x->x_planetable ) free ( x->x_planetable ); } static void pdp_noquark_allocate(t_pdp_noquark *x) { int i; // allocate space for the frame buffers. A lot of memory is required - // with the default settings, it totals nearly 5 megs. x->x_buffer = (short int *) getbytes ( ( ( x->x_vsize + ( x->x_vsize>>1 ) ) << 1 ) * 2 * x->x_planes); x->x_planetable = (short int**) getbytes( x->x_planes*sizeof( short int* ) ); // set up the array of pointers to the frame buffers for(i=0;ix_planes;i++) { x->x_planetable[i] = &x->x_buffer[ ( ( x->x_vsize + ( x->x_vsize>>1 ) ) << 1 ) * i]; } if ( !x->x_buffer ) { post( "pdp_noquark : severe error : cannot allocate buffers !!! "); return; } } static void pdp_noquark_planes(t_pdp_noquark *x, t_floatarg fplanes) { if ( ( (int)fplanes > 1 ) && ( (int)fplanes < 100 ) ) { pdp_noquark_free_ressources(x); x->x_planes = (int) fplanes; x->x_plane=x->x_planes-1; pdp_noquark_allocate(x); } } static void pdp_noquark_tolerance(t_pdp_noquark *x, t_floatarg ftolerance) { if ( (int)ftolerance > 1 ) { x->x_tolerance = (int) ftolerance; } } static void pdp_noquark_process_yv12(t_pdp_noquark *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); t_int px, py, cf, diff, rx, ry; /* allocate all ressources */ if ( (int)(header->info.image.width*header->info.image.height) != x->x_vsize ) { pdp_noquark_free_ressources(x); x->x_vwidth = header->info.image.width; x->x_vheight = header->info.image.height; x->x_vsize = x->x_vwidth*x->x_vheight; x->x_plane = x->x_planes-1; pdp_noquark_allocate(x); post( "pdp_noquark : reallocated buffers" ); } newheader->info.image.encoding = header->info.image.encoding; newheader->info.image.width = x->x_vwidth; newheader->info.image.height = x->x_vheight; memcpy(x->x_planetable[x->x_plane], data, (x->x_vsize + (x->x_vsize>>1))<<1 ); for(py=0; pyx_vheight; py++) { for(px=0; pxx_vwidth; px++) { cf = (x->x_plane + (inline_fastrand()>>24))&(x->x_planes-1); diff = (((x->x_planetable[cf])[py*x->x_vwidth+px] - data[py*x->x_vwidth+px])>>7) + ((((x->x_planetable[cf])[x->x_vsize+((py>>1)*(x->x_vwidth>>1)+(px>>1))] - data[x->x_vsize+((py>>1)*(x->x_vwidth>>1)+(px>>1))] )>>8)) + ((((x->x_planetable[cf])[x->x_vsize+(x->x_vsize>>2)+((py>>1)*(x->x_vwidth>>1)+(px>>1))] - data[x->x_vsize+(x->x_vsize>>2)+((py>>1)*(x->x_vwidth>>1)+(px>>1))] )>>8)); if ( abs ( diff ) > x->x_tolerance ) { newdata[py*x->x_vwidth+px] = data[py*x->x_vwidth+px]; newdata[x->x_vsize+((py>>1)*(x->x_vwidth>>1)+(px>>1))] = data[x->x_vsize+((py>>1)*(x->x_vwidth>>1)+(px>>1))]; newdata[x->x_vsize+(x->x_vsize>>2)+((py>>1)*(x->x_vwidth>>1)+(px>>1))] = data[x->x_vsize+(x->x_vsize>>2)+((py>>1)*(x->x_vwidth>>1)+(px>>1))]; } else { rx = inline_fastrand()&x->x_vwidth; ry = inline_fastrand()&x->x_vheight; newdata[py*x->x_vwidth+px] = data[ry*x->x_vwidth+rx]; newdata[x->x_vsize+((py>>1)*(x->x_vwidth>>1)+(px>>1))] = data[x->x_vsize+((ry>>1)*(x->x_vwidth>>1)+(rx>>1))]; newdata[x->x_vsize+(x->x_vsize>>2)+((py>>1)*(x->x_vwidth>>1)+(px>>1))] = data[x->x_vsize+(x->x_vsize>>2)+((ry>>1)*(x->x_vwidth>>1)+(rx>>1))]; } /* The reason why I use high order 8 bits is written in utils.c (or, 'man rand') */ } } x->x_plane--; if ( x->x_plane < 0 ) x->x_plane = x->x_planes-1; return; } static void pdp_noquark_sendpacket(t_pdp_noquark *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_noquark_process(t_pdp_noquark *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_noquark_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_noquark_process_yv12, pdp_noquark_sendpacket, &x->x_queue_id); break; case PDP_IMAGE_GREY: // should write something to handle these one day // but i don't use this mode break; default: /* don't know the type, so dont pdp_noquark_process */ break; } } } static void pdp_noquark_input_0(t_pdp_noquark *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_noquark_process(x); } } static void pdp_noquark_free(t_pdp_noquark *x) { int i; pdp_queue_finish(x->x_queue_id); pdp_packet_mark_unused(x->x_packet0); pdp_noquark_free_ressources(x); } t_class *pdp_noquark_class; void *pdp_noquark_new(void) { int i; t_pdp_noquark *x = (t_pdp_noquark *)pd_new(pdp_noquark_class); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("planes")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("tolerance")); 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_planes = DEFAULT_PLANES; x->x_tolerance = DEFAULT_TOLERANCE; x->x_buffer = NULL; return (void *)x; } #ifdef __cplusplus extern "C" { #endif void pdp_noquark_setup(void) { // post( pdp_noquark_version ); pdp_noquark_class = class_new(gensym("pdp_noquark"), (t_newmethod)pdp_noquark_new, (t_method)pdp_noquark_free, sizeof(t_pdp_noquark), 0, A_NULL); class_addmethod(pdp_noquark_class, (t_method)pdp_noquark_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_noquark_class, (t_method)pdp_noquark_planes, gensym("planes"), A_DEFFLOAT, A_NULL); class_addmethod(pdp_noquark_class, (t_method)pdp_noquark_tolerance, gensym("tolerance"), A_DEFFLOAT, A_NULL); } #ifdef __cplusplus } #endif