From c5e843b82205c04c618a423d3bb223f1f630b7a1 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Mon, 11 Aug 2003 04:26:00 +0000 Subject: added sources from pidip-0.12.4 svn path=/trunk/externals/pidip/; revision=837 --- modules/pdp_aging.c | 380 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 380 insertions(+) create mode 100644 modules/pdp_aging.c (limited to 'modules/pdp_aging.c') diff --git a/modules/pdp_aging.c b/modules/pdp_aging.c new file mode 100644 index 0000000..f2317b2 --- /dev/null +++ b/modules/pdp_aging.c @@ -0,0 +1,380 @@ +/* + * 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 aging effect from effectv + * Originally written by Fukuchi Kentaro & others + * Pd-fication by Yves Degoyon + */ + + + +#include "pdp.h" +#include + +static char *pdp_aging_version = "pdp_aging: version 0.1, port of aging from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; + +#define PDP_AGING_MAX_SCRATCHES 100 +static unsigned int fastrand_val; +#define inline_fastrand() (fastrand_val=fastrand_val*1103515245+12345) + +typedef struct _scratch +{ + t_int life; + t_int x; + t_int dx; + t_int init; +} scratch; + +typedef struct pdp_aging_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_area_scale; + t_int x_nb_scratches; + t_int x_dust_interval; + t_int x_pits_interval; + scratch x_scratches[PDP_AGING_MAX_SCRATCHES]; + +} t_pdp_aging; + +static void pdp_aging_area_scale(t_pdp_aging *x, t_floatarg fscale ) +{ + if ( (int) fscale > 1 ) + { + x->x_area_scale = (int)fscale; + } +} + +static void pdp_aging_scratches(t_pdp_aging *x, t_floatarg fscratches ) +{ + if ( ( (int)fscratches < PDP_AGING_MAX_SCRATCHES ) && ( (int)fscratches>=0) ) + { + x->x_nb_scratches = (int)fscratches; + } +} + +static void pdp_aging_coloraging(t_pdp_aging *x, short int *src, short int *dest) +{ + short int a, b; + int i; + + for(i=0; ix_vsize; i++) + { + a = *src++; + b = (a & 0xfcfc)>>2; + *dest++ = a - b + 0x1818 + ((inline_fastrand()>>8)&0x1010); + } + // set all to b&w + for(i=x->x_vsize; i<( x->x_vsize + (x->x_vsize>>1) ); i++) + { + *dest++ = 0; + } +} + +static void pdp_aging_scratching(t_pdp_aging *x, short int *dest) +{ + int i, y, y1, y2; + short int *p, a, b; + const int width = x->x_vwidth; + const int height = x->x_vheight; + + for(i=0; ix_nb_scratches; i++) + { + if(x->x_scratches[i].life) + { + x->x_scratches[i].x = x->x_scratches[i].x + x->x_scratches[i].dx; + if(x->x_scratches[i].x < 0 || x->x_scratches[i].x > width*256) + { + x->x_scratches[i].life = 0; + break; + } + p = dest + (x->x_scratches[i].x>>8); + if(x->x_scratches[i].init) + { + y1 = x->x_scratches[i].init; + x->x_scratches[i].init = 0; + } + else + { + y1 = 0; + } + x->x_scratches[i].life--; + if(x->x_scratches[i].life) + { + y2 = height; + } + else + { + y2 = inline_fastrand() % height; + } + for(y=y1; y>8)); + p += width; + } + } + else + { + if((inline_fastrand()&0xf0000000) == 0) + { + x->x_scratches[i].life = 2 + (inline_fastrand()>>27); + x->x_scratches[i].x = inline_fastrand() % (width * 256); + x->x_scratches[i].dx = ((int)inline_fastrand())>>23; + x->x_scratches[i].init = (inline_fastrand() % (height-1))+1; + } + } + } +} + +static void pdp_aging_dusts(t_pdp_aging *x, short int *dest) +{ + int dx[8] = { 1, 1, 0, -1, -1, -1, 0, 1}; + int dy[8] = { 0, -1, -1, -1, 0, 1, 1, 1}; + int i, j; + int dnum; + int d, len; + int px, py; + const int width = x->x_vwidth; + const int height = x->x_vheight; + + if(x->x_dust_interval == 0) + { + if((inline_fastrand()&0xf0000000) == 0) { + x->x_dust_interval = inline_fastrand()>>29; + } + return; + } + + dnum = x->x_area_scale*4 + (inline_fastrand()>>27); + for(i=0; i>29; + len = inline_fastrand()%x->x_area_scale + 5; + for(j=0; j=width) break; + if(py<0 || py>=height) break; + d = (d + inline_fastrand()%3 - 1) & 7; + } + } + x->x_dust_interval--; +} + +static void pdp_aging_pits(t_pdp_aging *x, short int *dest) +{ + int i, j; + int pnum, size, pnumscale; + int px, py; + const int width = x->x_vwidth; + const int height = x->x_vheight; + + pnumscale = x->x_area_scale * 2; + if(x->x_pits_interval) + { + pnum = pnumscale + (inline_fastrand()%pnumscale); + x->x_pits_interval--; + } + else + { + pnum = inline_fastrand()%pnumscale; + if((inline_fastrand()&0xf8000000) == 0) + { + x->x_pits_interval = (inline_fastrand()>>28) + 20; + } + } + for(i=0; i>28; + for(j=0; j=width) break; + if(py<0 || py>=height) break; + dest[py*width + px] = 0xc0c0; + } + } +} + +static void pdp_aging_process_yv12(t_pdp_aging *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; + unsigned int u_offset; + unsigned int v_offset; + unsigned int totnbpixels; + short int *poy, *pou, *pov, *pny, *pnu, *pnv; + int px, py; + int noy, pos, nox; + int *p; + + x->x_vwidth = header->info.image.width; + x->x_vheight = header->info.image.height; + x->x_vsize = x->x_vwidth*x->x_vheight; + + totalnbpixels = x->x_vsize; + u_offset = x->x_vsize; + v_offset = x->x_vsize + (x->x_vsize>>2); + totnbpixels = x->x_vsize + (x->x_vsize>>1); + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = x->x_vwidth; + newheader->info.image.height = x->x_vheight; + + pdp_aging_coloraging( x, data, newdata ); + pdp_aging_scratching( x, newdata ); + pdp_aging_pits( x, newdata ); + if ( x->x_area_scale > 1 ) pdp_aging_dusts( x, newdata ); + + return; +} + +static void pdp_aging_sendpacket(t_pdp_aging *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_aging_process(t_pdp_aging *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_aging_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_aging_process_yv12, pdp_aging_sendpacket, &x->x_queue_id); + break; + + case PDP_IMAGE_GREY: + // pdp_aging_process_packet(x); + break; + + default: + /* don't know the type, so dont pdp_aging_process */ + break; + + } + } + +} + +static void pdp_aging_input_0(t_pdp_aging *x, t_symbol *s, t_floatarg f) +{ + 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_aging_process(x); + + } + +} + +static void pdp_aging_free(t_pdp_aging *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); + +} + +t_class *pdp_aging_class; + +void *pdp_aging_new(void) +{ + int i; + + t_pdp_aging *x = (t_pdp_aging *)pd_new(pdp_aging_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("area_scale")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("scratches")); + + 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_nb_scratches = 7; + x->x_area_scale=5; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_aging_setup(void) +{ +// post( pdp_aging_version ); + pdp_aging_class = class_new(gensym("pdp_aging"), (t_newmethod)pdp_aging_new, + (t_method)pdp_aging_free, sizeof(t_pdp_aging), 0, A_NULL); + + class_addmethod(pdp_aging_class, (t_method)pdp_aging_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_aging_class, (t_method)pdp_aging_area_scale, gensym("area_scale"), A_FLOAT, A_NULL); + class_addmethod(pdp_aging_class, (t_method)pdp_aging_scratches, gensym("scratches"), A_FLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1