diff options
author | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2003-08-11 04:26:00 +0000 |
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committer | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2003-08-11 04:26:00 +0000 |
commit | c5e843b82205c04c618a423d3bb223f1f630b7a1 (patch) | |
tree | 47eb18ea910be2d9735290aef960fd458b46d29c /modules/pdp_radioactiv.c |
added sources from pidip-0.12.4svn2git-root
svn path=/trunk/externals/pidip/; revision=837
Diffstat (limited to 'modules/pdp_radioactiv.c')
-rw-r--r-- | modules/pdp_radioactiv.c | 516 |
1 files changed, 516 insertions, 0 deletions
diff --git a/modules/pdp_radioactiv.c b/modules/pdp_radioactiv.c new file mode 100644 index 0000000..c39dd4b --- /dev/null +++ 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 |