/* * 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 smuck effect from veejay * But it it inspired by effectv's transform ( mode 5 ) * Originally written by Niels Elburg * Pd-fication by Yves Degoyon */ #include "pdp.h" #include #define MAX_N 100 static int fastrand_val=0; #define inline_fastrand() (fastrand_val=fastrand_val*1103515245+12345) static char *pdp_smuck_version = "pdp_smuck: version 0.1, port of smuck from veejay( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; typedef struct pdp_smuck_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_n; // transform number } t_pdp_smuck; static void pdp_smuck_free_ressources(t_pdp_smuck *x) { // nothing } static void pdp_smuck_allocate(t_pdp_smuck *x) { // nothing } static void pdp_smuck_n(t_pdp_smuck *x, t_floatarg fn ) { if ( ( fn >= 0 ) && ( fn < MAX_N ) ) { x->x_n = fn; } } static void pdp_smuck_process_yv12(t_pdp_smuck *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, pxx, pyy; short int *pnY, *pnU, *pnV; /* allocate all ressources */ if ( (int)(header->info.image.width*header->info.image.height) != x->x_vsize ) { pdp_smuck_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; pdp_smuck_allocate(x); post( "pdp_smuck : reallocated buffers" ); } newheader->info.image.encoding = header->info.image.encoding; newheader->info.image.width = x->x_vwidth; newheader->info.image.height = x->x_vheight; pnY = newdata; pnV = newdata+x->x_vsize; pnU = newdata+x->x_vsize+(x->x_vsize>>2); for (py = 0; py < x->x_vheight; py++) { for (px = 0; px < x->x_vwidth; px++) { pyy = py + (inline_fastrand() >> x->x_n) - 2; pxx = px + (inline_fastrand() >> x->x_n) - 2; if (pxx > x->x_vwidth) pxx = x->x_vwidth; if ( pxx < 0 ) pxx = 0; if (pyy > x->x_vheight) pyy = x->x_vheight; if ( pyy < 0 ) pyy = 0; *pnY++ = *( data + pyy*x->x_vwidth + pxx ); if ( (px%2==0) && (py%2==0) ) { *pnU++ = *( data + x->x_vsize + ( (pyy>>1)*(x->x_vwidth>>1) + (pxx>>2) ) ); *pnV++ = *( data + x->x_vsize + (x->x_vsize>>2) + ( (pyy>>1)*(x->x_vwidth>>1) + (pxx>>2) ) ); } } } return; } static void pdp_smuck_sendpacket(t_pdp_smuck *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_smuck_process(t_pdp_smuck *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_smuck_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_smuck_process_yv12, pdp_smuck_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_smuck_process */ break; } } } static void pdp_smuck_input_0(t_pdp_smuck *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_smuck_process(x); } } static void pdp_smuck_free(t_pdp_smuck *x) { int i; pdp_queue_finish(x->x_queue_id); pdp_packet_mark_unused(x->x_packet0); pdp_smuck_free_ressources(x); } t_class *pdp_smuck_class; void *pdp_smuck_new(void) { int i; t_pdp_smuck *x = (t_pdp_smuck *)pd_new(pdp_smuck_class); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("n")); 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_n = 30; return (void *)x; } #ifdef __cplusplus extern "C" { #endif void pdp_smuck_setup(void) { // post( pdp_smuck_version ); pdp_smuck_class = class_new(gensym("pdp_smuck"), (t_newmethod)pdp_smuck_new, (t_method)pdp_smuck_free, sizeof(t_pdp_smuck), 0, A_NULL); class_addmethod(pdp_smuck_class, (t_method)pdp_smuck_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_smuck_class, (t_method)pdp_smuck_n, gensym("n"), A_DEFFLOAT, A_NULL); } #ifdef __cplusplus } #endif