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-rw-r--r--modules/pdp_radioactiv.c516
1 files changed, 516 insertions, 0 deletions
diff --git a/modules/pdp_radioactiv.c b/modules/pdp_radioactiv.c
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+++ b/modules/pdp_radioactiv.c
@@ -0,0 +1,516 @@
+/*
+ * 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 radioactiv effect from effectv
+ * Originally written by Fukuchi Kentaro & others
+ * Pd-fication by Yves Degoyon
+ */
+
+
+
+#include "pdp.h"
+#include <math.h>
+
+#define COLORS 32
+#define MAGIC_THRESHOLD 40
+#define RATIO 0.95
+#define DELTA (255/(COLORS/2-1))
+
+#define VIDEO_HWIDTH (x->x_buf_width/2)
+#define VIDEO_HHEIGHT (x->x_buf_height/2)
+
+static char *pdp_radioactiv_version = "pdp_radioactiv: version 0.1, port of radioactiv effect from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)";
+
+typedef struct pdp_radioactiv_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;
+ unsigned char *x_blurzoombuf;
+ t_int *x_blurzoomx;
+ t_int *x_blurzoomy;
+ t_int x_buf_width_blocks;
+ t_int x_buf_width;
+ t_int x_buf_height;
+ t_int x_buf_area;
+ t_int x_buf_margin_right;
+ t_int x_buf_margin_left;
+ t_int x_palette[COLORS];
+ t_int x_mode; /* 0=normal 1=strobe 2=strobe2 3=trigger */
+ t_int x_snap_time;
+ t_int x_snap_interval;
+ short int *x_snapframe;
+ short int *x_diff;
+ short int *x_bdata;
+ t_int x_snapshot;
+
+} t_pdp_radioactiv;
+
+static void pdp_radioactiv_free_ressources(t_pdp_radioactiv *x)
+{
+ if ( x->x_blurzoombuf ) freebytes ( x->x_blurzoombuf, x->x_buf_area*2 );
+ if ( x->x_blurzoomx ) freebytes ( x->x_blurzoomx, x->x_buf_width*sizeof(t_int) );
+ if ( x->x_blurzoomy ) freebytes ( x->x_blurzoomy, x->x_buf_height*sizeof(t_int) );
+ if ( x->x_snapframe ) freebytes ( x->x_snapframe, ( ( x->x_vsize + x->x_vsize>>1 ) << 1 ) );
+ if ( x->x_diff ) freebytes( x->x_diff, (x->x_vsize + (x->x_vsize>>1))<<1 );
+ if ( x->x_bdata ) freebytes( x->x_bdata, (( x->x_vsize + (x->x_vsize>>1))<<1));
+}
+
+static void pdp_radioactiv_allocate(t_pdp_radioactiv *x)
+{
+ int i;
+
+ x->x_buf_width_blocks = (x->x_vwidth / 32);
+ x->x_buf_width = x->x_buf_width_blocks * 32;
+ x->x_buf_height = x->x_vheight;
+ x->x_buf_area = x->x_buf_width * x->x_buf_height;
+ x->x_buf_margin_left = (x->x_vwidth - x->x_buf_width)/2;
+ x->x_buf_margin_right = x->x_vwidth - x->x_buf_width - x->x_buf_margin_left;
+
+ x->x_blurzoombuf = (unsigned char *) getbytes (x->x_buf_area*2);
+ x->x_blurzoomx = (t_int *) getbytes (x->x_buf_width*sizeof(t_int));
+ x->x_blurzoomy = (t_int *) getbytes (x->x_buf_height*sizeof(t_int));
+ x->x_snapframe = (short int *) getbytes ( ( ( x->x_vsize + x->x_vsize>>1 ) << 1 ) );
+ x->x_diff = (short int*) getbytes((x->x_vsize + (x->x_vsize>>1))<<1);
+ x->x_bdata = (short int *) getbytes((( x->x_vsize + (x->x_vsize>>1))<<1));
+
+ if ( !x->x_blurzoombuf || !x->x_blurzoomx || !x->x_blurzoomy ||
+ !x->x_snapframe || !x->x_diff || !x->x_bdata )
+ {
+ post( "pdp_radioactiv : severe error : cannot allocate buffers !!!" );
+ return;
+ }
+}
+
+/* check if there is a real difference with background image */
+static void pdp_radioactiv_diff(t_pdp_radioactiv *x, short int *src)
+{
+ int i;
+ int Yy=0, Yu=0, Yv=0;
+ int Yby=0, Ybu=0, Ybv=0;
+ short int *p=NULL;
+ short int *pb=NULL;
+ short int *r=NULL;
+ int v;
+
+ p = src;
+ pb = x->x_bdata;
+ r = x->x_diff;
+ for(i=0; i<(x->x_vsize); i++)
+ {
+ Yy = (*p);
+ Yu = (*(p+x->x_vsize+(i>>2)));
+ if ( x->x_vsize+(x->x_vsize>>2)+(i>>2) > x->x_vsize+(x->x_vsize>>1) )
+ {
+ post ("pdp_mosaic : overflow : offset=%d limit=%d", x->x_vsize+(x->x_vsize>>2)+(i>>2),
+ x->x_vsize+(x->x_vsize>>1) );
+ return;
+ }
+ Yv = (*(p+x->x_vsize+(x->x_vsize>>2)+(i>>2)));
+ Yby = (*pb);
+ Ybu = (*(pb+x->x_vsize+(i>>2)));
+ Ybv = (*(pb+x->x_vsize+(x->x_vsize>>2)+(i>>2)));
+ if ( !r ) { post( "pdp_mosaic : hey, buffers are not allocated !!" ); return; };
+ *r = ( (Yy - Yby) + (Yu - Ybu) + (Yv - Ybv) );
+ r++;
+ }
+
+}
+
+static void pdp_radioactiv_make_palette(t_pdp_radioactiv *x)
+{
+ int i;
+
+ for(i=0; i<COLORS/2; i++)
+ {
+ x->x_palette[i] = i*DELTA;
+ }
+ for(i=0; i<COLORS/2; i++)
+ {
+ x->x_palette[i+COLORS/2] = 255 | (i*DELTA)<<16 | (i*DELTA)<<8;
+ }
+ for(i=0; i<COLORS; i++)
+ {
+ x->x_palette[i] = x->x_palette[i] & 0xfefeff;
+ }
+}
+
+/* this table assumes that video_width is times of 32 */
+static void pdp_radioactiv_set_table(t_pdp_radioactiv *x)
+{
+ unsigned int bits;
+ int px, py, tx, ty, xx;
+ int ptr=0, prevptr=0;
+
+ prevptr = (int)(0.5+RATIO*(-VIDEO_HWIDTH)+VIDEO_HWIDTH);
+ for(xx=0; xx<(x->x_buf_width_blocks); xx++)
+ {
+ bits = 0;
+ for(px=0; px<32; px++)
+ {
+ ptr = (int)(0.5+RATIO*((xx*32)+px-VIDEO_HWIDTH)+VIDEO_HWIDTH);
+ bits = bits>>1;
+ if(ptr != prevptr) bits |= 0x80000000;
+ prevptr = ptr;
+ }
+ x->x_blurzoomx[xx] = bits;
+ }
+
+ ty = (int)(0.5+RATIO*(-VIDEO_HHEIGHT)+VIDEO_HHEIGHT);
+ tx = (int)(0.5+RATIO*(-VIDEO_HWIDTH)+VIDEO_HWIDTH);
+ xx=(int)(0.5+RATIO*(x->x_buf_width-1-VIDEO_HWIDTH)+VIDEO_HWIDTH);
+ x->x_blurzoomy[0] = ty * x->x_buf_width + tx;
+ prevptr = ty * x->x_buf_width + xx;
+ for(py=1; py<x->x_buf_height; py++)
+ {
+ ty = (int)(0.5+RATIO*(py-VIDEO_HHEIGHT)+VIDEO_HHEIGHT);
+ x->x_blurzoomy[py] = ty * x->x_buf_width + tx - prevptr;
+ prevptr = ty * x->x_buf_width + xx;
+ }
+}
+
+static void pdp_radioactiv_mode(t_pdp_radioactiv *x, t_floatarg fmode )
+{
+ if ( ( fmode > 0 ) || ( fmode < 4 ) )
+ {
+ x->x_mode = (int)fmode;
+ if(x->x_mode == 3)
+ {
+ x->x_snap_time = 1;
+ }
+ else
+ {
+ x->x_snap_time = 0;
+ }
+ }
+}
+
+static void pdp_radioactiv_snap_time(t_pdp_radioactiv *x, t_floatarg fsnaptime )
+{
+ if ( fsnaptime > 0 )
+ {
+ x->x_snap_time = (t_int) fsnaptime;
+ }
+}
+
+static void pdp_radioactiv_snap_interval(t_pdp_radioactiv *x, t_floatarg fsnapinterval )
+{
+ if ( fsnapinterval > 1 )
+ {
+ x->x_snap_interval = (t_int) fsnapinterval;
+ }
+}
+
+static void pdp_radioactiv_blur(t_pdp_radioactiv *x)
+{
+ int px, py;
+ int width;
+ unsigned char *p, *q;
+ unsigned char v;
+
+ width = x->x_buf_width;
+ p = x->x_blurzoombuf + width + 1;
+ q = p + x->x_buf_area;
+
+ for(py=x->x_buf_height-2; py>0; py--)
+ {
+ for(px=x->x_vwidth-2; px>0; px--)
+ {
+ v = (*(p-width) + *(p-1) + *(p+1) + *(p+width))/4 - 1;
+ if(v == 255) v = 0;
+ *q = v;
+ p++;
+ q++;
+ }
+ p += 2;
+ q += 2;
+ }
+}
+
+static void pdp_radioactiv_zoom(t_pdp_radioactiv *x)
+{
+ int b, px, py;
+ unsigned char *p, *q;
+ int blocks, height;
+ int dx;
+
+ p = x->x_blurzoombuf + x->x_buf_area;
+ q = x->x_blurzoombuf;
+ height = x->x_buf_height;
+ blocks = x->x_buf_width_blocks;
+
+ for(py=0; py<height; py++)
+ {
+ p += x->x_blurzoomy[py];
+ for(b=0; b<blocks; b++)
+ {
+ dx = x->x_blurzoomx[b];
+ for(px=0; px<32; px++)
+ {
+ p += (dx & 1);
+ *q++ = *p;
+ dx = dx>>1;
+ }
+ }
+ }
+}
+
+static void pdp_radioactiv_blurzoom(t_pdp_radioactiv *x)
+{
+ pdp_radioactiv_blur(x);
+ pdp_radioactiv_zoom(x);
+}
+
+static void pdp_radioactiv_process_yv12(t_pdp_radioactiv *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;
+
+ int px, py;
+ short int a, b;
+ unsigned char *p;
+ short int *diff, *src;
+
+ /* allocate all ressources */
+ if ( (int)(header->info.image.width*header->info.image.height) != x->x_vsize )
+ {
+ pdp_radioactiv_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_radioactiv_allocate(x);
+ post( "pdp_radioactiv : reallocating buffers" );
+ pdp_radioactiv_set_table(x);
+ post( "pdp_radioactiv : set table" );
+ }
+
+ x->x_vwidth = header->info.image.width;
+ x->x_vheight = header->info.image.height;
+ x->x_vsize = x->x_vwidth*x->x_vheight;
+
+ if ( x->x_bdata && x->x_snapshot )
+ {
+ x->x_snapshot = 0;
+ memcpy( x->x_bdata, data, (x->x_vsize + (x->x_vsize>>1))<<1 );
+ }
+
+ 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);
+
+ if(x->x_mode != 2 || x->x_snap_time <= 0)
+ {
+ pdp_radioactiv_diff(x, data);
+ if(x->x_mode == 0 || x->x_snap_time <= 0)
+ {
+ diff = x->x_diff + x->x_buf_margin_left;
+ p = x->x_blurzoombuf;
+ for(py=0; py<x->x_buf_height; py++)
+ {
+ for(px=0; px<x->x_buf_width; px++)
+ {
+ p[px] |= diff[px] >> 3;
+ }
+ diff += x->x_vwidth;
+ p += x->x_buf_width;
+ }
+ if( ( x->x_mode == 1 ) || ( x->x_mode == 2 ))
+ {
+ memcpy(x->x_snapframe, data, ( ( x->x_vsize + x->x_vsize>>1 ) << 1 ) );
+ }
+ }
+ }
+ pdp_radioactiv_blurzoom(x);
+
+ if( ( x->x_mode == 1 ) || ( x->x_mode == 2 ))
+ {
+ src = x->x_snapframe;
+ }
+ else
+ {
+ src = data;
+ }
+
+ p = x->x_blurzoombuf;
+ for(py=0; py<x->x_vheight; py++)
+ {
+ for(px=0; px<x->x_buf_margin_left; px++)
+ {
+ *newdata++ = *src++;
+ }
+ for(px=0; px<x->x_buf_width; px++)
+ {
+ a = *src++ & 0xfeff;
+ b = x->x_palette[*p++];
+ a += b;
+ b = a & 0x0100;
+ *newdata++ = a | (b - (b >> 8));
+ }
+ for(px=0; px<x->x_buf_margin_right; px++)
+ {
+ *newdata++ = *src++;
+ }
+ }
+
+ if( ( x->x_mode == 1 ) || ( x->x_mode == 2 ) )
+ {
+ x->x_snap_time--;
+ if(x->x_snap_time < 0) {
+ x->x_snap_time = x->x_snap_interval;
+ }
+ }
+
+ return;
+}
+
+static void pdp_radioactiv_sendpacket(t_pdp_radioactiv *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_radioactiv_process(t_pdp_radioactiv *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_radioactiv_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_radioactiv_process_yv12, pdp_radioactiv_sendpacket, &x->x_queue_id);
+ break;
+
+ case PDP_IMAGE_GREY:
+ // pdp_radioactiv_process_packet(x);
+ break;
+
+ default:
+ /* don't know the type, so dont pdp_radioactiv_process */
+ break;
+
+ }
+ }
+}
+
+static void pdp_radioactiv_input_0(t_pdp_radioactiv *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_radioactiv_process(x);
+
+ }
+}
+
+static void pdp_radioactiv_free(t_pdp_radioactiv *x)
+{
+ int i;
+
+ pdp_queue_finish(x->x_queue_id);
+ pdp_packet_mark_unused(x->x_packet0);
+ pdp_radioactiv_free_ressources(x);
+
+}
+
+t_class *pdp_radioactiv_class;
+
+void *pdp_radioactiv_new(void)
+{
+ int i;
+
+ t_pdp_radioactiv *x = (t_pdp_radioactiv *)pd_new(pdp_radioactiv_class);
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("mode"));
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("snaptime"));
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("snapinterval"));
+
+ 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_mode = 0; /* 0=normal/1=strobe/2=strobe2/3=trigger */
+ x->x_blurzoombuf = NULL;
+ x->x_snapframe = NULL;
+ x->x_snap_time = 0;
+ x->x_snap_interval = 3;
+ x->x_blurzoombuf = NULL;
+ x->x_blurzoomx = NULL;
+ x->x_blurzoomy = NULL;
+ x->x_snapframe = NULL;
+ x->x_diff = NULL;
+
+ pdp_radioactiv_make_palette(x);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_radioactiv_setup(void)
+{
+// post( pdp_radioactiv_version );
+ pdp_radioactiv_class = class_new(gensym("pdp_radioactiv"), (t_newmethod)pdp_radioactiv_new,
+ (t_method)pdp_radioactiv_free, sizeof(t_pdp_radioactiv), 0, A_NULL);
+
+ class_addmethod(pdp_radioactiv_class, (t_method)pdp_radioactiv_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_radioactiv_class, (t_method)pdp_radioactiv_mode, gensym("mode"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_radioactiv_class, (t_method)pdp_radioactiv_snap_time, gensym("snaptime"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_radioactiv_class, (t_method)pdp_radioactiv_snap_interval, gensym("snapinterval"), A_FLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-29 08:44:48 +0000