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_mosaic.c | 312 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 312 insertions(+) create mode 100644 modules/pdp_mosaic.c (limited to 'modules/pdp_mosaic.c') diff --git a/modules/pdp_mosaic.c b/modules/pdp_mosaic.c new file mode 100644 index 0000000..1fb3487 --- /dev/null +++ b/modules/pdp_mosaic.c @@ -0,0 +1,312 @@ +/* + * 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 mosaic effect from effectv + * Originally written by Fukuchi Kentaro & others + * Pd-fication by Yves Degoyon + */ + + + +#include "pdp.h" +#include + +#define MAGIC_THRESHOLD 30 +#define CENSOR_LEVEL 20 + +static char *pdp_mosaic_version = "pdp_mosaic: version 0.1, port of mosaic from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; + +typedef struct pdp_mosaic_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_censor_level; + t_int x_ssize; + short int *x_diff; + short int *x_bdata; + t_int x_snapshot; + +} t_pdp_mosaic; + + +static void pdp_mosaic_ssize(t_pdp_mosaic *x, t_floatarg fssize ) +{ + if ( ( fssize > 1 ) && ( fssize < x->x_vwidth ) ) + { + x->x_ssize = (int)fssize; + } +} + +static void pdp_mosaic_level(t_pdp_mosaic *x, t_floatarg flevel ) +{ + if ( flevel > 0 ) + { + x->x_censor_level = (int)flevel; + } +} + +static void pdp_mosaic_background(t_pdp_mosaic *x ) +{ + x->x_snapshot = 1; +} + +static void pdp_mosaic_free_ressources(t_pdp_mosaic *x) +{ + if ( x->x_diff != NULL ) freebytes( x->x_diff, (x->x_vsize + (x->x_vsize>>1))<<1 ); + if ( x->x_bdata != NULL ) freebytes( x->x_bdata, (( x->x_vsize + (x->x_vsize>>1))<<1)); +} + +static void pdp_mosaic_allocate(t_pdp_mosaic *x) +{ + int i; + + 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_bdata || ! x->x_diff ) { + post( "pdp_mosaic : severe error : cannot allocate buffers" ); + } + +} + +/* check if there is a real difference with background image */ +static void pdp_mosaic_diff(t_pdp_mosaic *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_mosaic_process_yv12(t_pdp_mosaic *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=0, py=0, xx, yy, y, u, v; + int count; + + /* allocate all ressources */ + if ( (int)(header->info.image.width*header->info.image.height) != x->x_vsize ) + { + pdp_mosaic_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_mosaic_allocate(x); + post( "pdp_mosaic : reallocated buffers" ); + } + + 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; + + pdp_mosaic_diff(x, data); + + memcpy( newdata, data, (x->x_vsize + (x->x_vsize>>1))<<1 ); + + for(py=0; py<(x->x_vheight-x->x_ssize-1); py+=x->x_ssize) + { + for(px=0; px<(x->x_vwidth-x->x_ssize-1); px+=x->x_ssize) + { + count = 0; + for(yy=0; yyx_ssize; yy++) + { + for(xx=0; xxx_ssize; xx++) + { + count += *(x->x_diff + (py+yy)*x->x_vwidth + (px+xx) ); + count += *(x->x_diff + x->x_vsize + (((py+yy)*x->x_vwidth)>>2) + ((px+xx)>>1) ); + count += *(x->x_diff + x->x_vsize + (x->x_vsize>>2) + (((py+yy)*x->x_vwidth)>>2) + ((px+xx)>>1) ); + } + } + if(count > x->x_censor_level) + { + // post( "pdp_mosaic : censored" ); + y = *(data + (py+3)*x->x_vwidth + (px+3)); + u = *(data + x->x_vsize + (((py+3)*x->x_vwidth)>>2) + ((px+3)>>1) ); + v = *(data + x->x_vsize + (((py+3)*x->x_vwidth)>>2) + ((px+3)>>1) ); + for(yy=0; yyx_ssize; yy++) + { + for(xx=0; xxx_ssize; xx++) + { + *(newdata + (py+yy)*x->x_vwidth + (px+xx)) = y; + *(newdata + x->x_vsize + (((py+yy)*x->x_vwidth)>>2) + ((px+xx)>>1) ) = u; + *(newdata + x->x_vsize + (x->x_vsize>>2) + (((py+yy)*x->x_vwidth)>>2) + ((px+xx)>>1) ) = v; + } + } + } + } + } + + return; +} + +static void pdp_mosaic_sendpacket(t_pdp_mosaic *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_mosaic_process(t_pdp_mosaic *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_mosaic_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_mosaic_process_yv12, pdp_mosaic_sendpacket, &x->x_queue_id); + break; + + case PDP_IMAGE_GREY: + break; + + default: + /* don't know the type, so dont pdp_mosaic_process */ + break; + + } + } +} + +static void pdp_mosaic_input_0(t_pdp_mosaic *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_mosaic_process(x); + } +} + +static void pdp_mosaic_free(t_pdp_mosaic *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); + pdp_mosaic_free_ressources(x); +} + +t_class *pdp_mosaic_class; + +void *pdp_mosaic_new(void) +{ + int i; + + t_pdp_mosaic *x = (t_pdp_mosaic *)pd_new(pdp_mosaic_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_bang, gensym("background")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("level")); + + 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_vsize = -1; + x->x_snapshot = 1; + x->x_ssize = 8; // square size + x->x_censor_level = CENSOR_LEVEL; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_mosaic_setup(void) +{ +// post( pdp_mosaic_version ); + pdp_mosaic_class = class_new(gensym("pdp_mosaic"), (t_newmethod)pdp_mosaic_new, + (t_method)pdp_mosaic_free, sizeof(t_pdp_mosaic), 0, A_NULL); + + class_addmethod(pdp_mosaic_class, (t_method)pdp_mosaic_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_mosaic_class, (t_method)pdp_mosaic_background, gensym("background"), A_NULL); + class_addmethod(pdp_mosaic_class, (t_method)pdp_mosaic_level, gensym("level"), A_FLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1