diff options
author | N.N. <sevyves@users.sourceforge.net> | 2003-09-17 19:58:59 +0000 |
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committer | N.N. <sevyves@users.sourceforge.net> | 2003-09-17 19:58:59 +0000 |
commit | d45a65e66ed9fd7f90ab621e00efe07989a7fa0b (patch) | |
tree | 9c3abdf0c8862b397e5cbdc18de987682948d41f /modules | |
parent | 169ab82f7a1b5fe2634737ad471d40a2bd90621f (diff) |
New in PiDiP 0.12.6
svn path=/trunk/externals/pidip/; revision=993
Diffstat (limited to 'modules')
-rw-r--r-- | modules/pdp_cache.c | 606 |
1 files changed, 606 insertions, 0 deletions
diff --git a/modules/pdp_cache.c b/modules/pdp_cache.c new file mode 100644 index 0000000..a2460e2 --- /dev/null +++ b/modules/pdp_cache.c @@ -0,0 +1,606 @@ +/* + * 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 hides tringular zones from a video stream + * It is useful to make some collages ( see collage.pd patch ) + */ + +#include "pdp.h" +#include "yuv.h" +#include <math.h> +#include <ctype.h> + +#define MAX_ZONES 20 + +static char *pdp_cache_version = "pdp_cache: version 0.1 : video cache object written by ydegoyon@free.fr "; + +typedef struct _triangle +{ + t_int used; + t_int x1, y1; + t_int x2, y2; + t_int x3, y3; + t_float a1, b1; + t_float a2, b2; + t_float a3, b3; +} t_triangle; + +typedef struct pdp_cache_struct +{ + t_object x_obj; + t_float x_f; + + t_int x_packet0; + t_int x_packet1; + t_int x_dropped; + t_int x_queue_id; + + t_outlet *x_outlet0; + t_int x_vwidth; + t_int x_vheight; + t_int x_vsize; + + t_triangle x_hiddenzones[ MAX_ZONES ]; // hide these parts of the image + unsigned char *x_mask; + +} t_pdp_cache; + +static t_int pdp_cache_isinzone(t_pdp_cache *x, t_int px, t_int py, t_int index) +{ + t_int c1=0, c2=0, c3=0; + + if ( !x->x_hiddenzones[index].used ) + { + return 0; + } + if ( px < x->x_hiddenzones[index].x1 ) + { + return 0; + } + if ( px > x->x_hiddenzones[index].x3 ) + { + return 0; + } + if ( py < x->x_hiddenzones[index].y1 && + py < x->x_hiddenzones[index].y2 && + py < x->x_hiddenzones[index].y3 ) + { + return 0; + } + if ( py > x->x_hiddenzones[index].y1 && + py > x->x_hiddenzones[index].y2 && + py > x->x_hiddenzones[index].y3 ) + { + return 0; + } + if ( ( ( x->x_hiddenzones[index].x2 - x->x_hiddenzones[index].x1 ) == 0 ) && + ( px >= x->x_hiddenzones[index].x1 ) ) + { + c1 = 1; + } + else + { + if ( x->x_hiddenzones[index].a1 == 0 ) + { + if ( ( x->x_hiddenzones[index].y3 >= x->x_hiddenzones[index].y1 ) && + ( py >= x->x_hiddenzones[index].y1 )) + { + c1 = 1; + } + if ( ( x->x_hiddenzones[index].y3 <= x->x_hiddenzones[index].y1 ) && + ( py <= x->x_hiddenzones[index].y1 )) + { + c1 = 1; + } + } + else + { + if ( ( ( (float) py ) - ( x->x_hiddenzones[index].a1*((float)px)+ x->x_hiddenzones[index].b1 ) )* + ( ( (float) x->x_hiddenzones[index].y3 ) - + ( x->x_hiddenzones[index].a1*((float)x->x_hiddenzones[index].x3)+ + x->x_hiddenzones[index].b1 ) ) >= 0.0 ) + { + c1 = 1; + } + } + } + if ( ( ( x->x_hiddenzones[index].x3 - x->x_hiddenzones[index].x2 ) == 0 ) && + ( px <= x->x_hiddenzones[index].x2 ) ) + { + c2 = 1; + } + else + { + if ( x->x_hiddenzones[index].a2 == 0 ) + { + if ( ( x->x_hiddenzones[index].y1 >= x->x_hiddenzones[index].y2 ) && + ( py >= x->x_hiddenzones[index].y2 )) + { + c2 = 1; + } + if ( ( x->x_hiddenzones[index].y1 <= x->x_hiddenzones[index].y2 ) && + ( py <= x->x_hiddenzones[index].y2 )) + { + c2 = 1; + } + } + else + { + if ( ( ( (float) py ) - ( x->x_hiddenzones[index].a2*((float)px)+ x->x_hiddenzones[index].b2 ) )* + ( ( (float) x->x_hiddenzones[index].y1 ) - + ( x->x_hiddenzones[index].a2*((float)x->x_hiddenzones[index].x1)+ + x->x_hiddenzones[index].b2 ) ) >= 0.0 ) + { + c2 = 1; + } + } + } + if ( ( ( x->x_hiddenzones[index].x3 - x->x_hiddenzones[index].x1 ) == 0 ) && + ( px >= x->x_hiddenzones[index].x1 ) ) + { + c3 = 1; + } + else + { + if ( x->x_hiddenzones[index].a3 == 0 ) + { + if ( ( x->x_hiddenzones[index].y2 >= x->x_hiddenzones[index].y1 ) && + ( py >= x->x_hiddenzones[index].y1 )) + { + c3 = 1; + } + if ( ( x->x_hiddenzones[index].y2 <= x->x_hiddenzones[index].y1 ) && + ( py <= x->x_hiddenzones[index].y1 )) + { + c3 = 1; + } + } + else + { + if ( ( ( (float) py ) - ( x->x_hiddenzones[index].a3*((float)px)+ x->x_hiddenzones[index].b3 ) )* + ( ( (float) x->x_hiddenzones[index].y2 ) - + ( x->x_hiddenzones[index].a3*((float)x->x_hiddenzones[index].x2)+ + x->x_hiddenzones[index].b3 ) ) >= 0.0 ) + { + c3 = 1; + } + } + } + + return c1 && c2 && c3; +} + +static t_int pdp_cache_ishidden(t_pdp_cache *x, t_int px, t_int py) +{ + t_int ti; + + for ( ti=0; ti<MAX_ZONES; ti++ ) + { + if ( x->x_hiddenzones[ti].used ) + { + if ( pdp_cache_isinzone( x, px, py, ti ) ) + { + return 1; + } + } + } + return 0; +} + +static void pdp_cache_free_ressources(t_pdp_cache *x ) +{ + if ( x->x_mask != NULL ) + { + freebytes( x->x_mask, x->x_vsize ); + } +} + +static void pdp_cache_allocate(t_pdp_cache *x ) +{ + x->x_mask = (unsigned char*)getbytes( x->x_vsize ); +} + +static void pdp_cache_update_mask(t_pdp_cache *x ) +{ + t_int px, py; + + for ( py=0; py<x->x_vheight; py++ ) + { + for ( px=0; px<x->x_vwidth; px++ ) + { + *(x->x_mask+py*x->x_vwidth+px) = (unsigned char) pdp_cache_ishidden( x, px, py ); + } + } +} + +static void pdp_cache_hide(t_pdp_cache *x, t_symbol *s, int argc, t_atom *argv) +{ + t_int ti; + t_float fx1, fy1, fx2, fy2, fx3, fy3; + + if ( argc != 6 ) + { + post( "pdp_cache : hide : wrong number of arguments : %d", argc ); + return; + } + if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT || argv[2].a_type != A_FLOAT || + argv[3].a_type != A_FLOAT || argv[4].a_type != A_FLOAT || argv[5].a_type != A_FLOAT ) { + post( "pdp_cache : hide : wrong arguments" ); + return; + } + + fx1 = argv[0].a_w.w_float; + fy1 = argv[1].a_w.w_float; + fx2 = argv[2].a_w.w_float; + fy2 = argv[3].a_w.w_float; + fx3 = argv[4].a_w.w_float; + fy3 = argv[5].a_w.w_float; + + if ( ( (int)fx1 >= 0 ) && ( (int)fx1 < x->x_vwidth ) && + ( (int)fx2 >= 0 ) && ( (int)fx2 < x->x_vwidth ) && + ( (int)fx3 >= 0 ) && ( (int)fx3 < x->x_vwidth ) && + ( (int)fy1 >= 0 ) && ( (int)fy1 < x->x_vheight ) && + ( (int)fy2 >= 0 ) && ( (int)fy2 < x->x_vheight ) && + ( (int)fy3 >= 0 ) && ( (int)fy3 < x->x_vheight ) ) + { + post( "pdp_cache : hide : coordinates : %d %d %d %d %d %d", + (int)fx1, (int)fy1, (int)fx2, (int)fy2, (int)fx3, (int)fy3 ); + for ( ti=0; ti<MAX_ZONES; ti++ ) + { + if ( !x->x_hiddenzones[ti].used ) + { + x->x_hiddenzones[ti].used = 1; + if ( (int) fx1 < (int) fx2 ) + { + if ( (int) fx2 < (int) fx3 ) + { + x->x_hiddenzones[ti].x1 = (int) fx1; + x->x_hiddenzones[ti].y1 = (int) fy1; + x->x_hiddenzones[ti].x2 = (int) fx2; + x->x_hiddenzones[ti].y2 = (int) fy2; + x->x_hiddenzones[ti].x3 = (int) fx3; + x->x_hiddenzones[ti].y3 = (int) fy3; + } + else + { + if ( (int) fx3 < (int) fx1 ) + { + x->x_hiddenzones[ti].x1 = (int) fx3; + x->x_hiddenzones[ti].y1 = (int) fy3; + x->x_hiddenzones[ti].x2 = (int) fx1; + x->x_hiddenzones[ti].y2 = (int) fy1; + x->x_hiddenzones[ti].x3 = (int) fx2; + x->x_hiddenzones[ti].y3 = (int) fy2; + } + else + { + x->x_hiddenzones[ti].x1 = (int) fx1; + x->x_hiddenzones[ti].y1 = (int) fy1; + x->x_hiddenzones[ti].x2 = (int) fx3; + x->x_hiddenzones[ti].y2 = (int) fy3; + x->x_hiddenzones[ti].x3 = (int) fx2; + x->x_hiddenzones[ti].y3 = (int) fy2; + } + } + } + else + { + if ( (int) fx2 < (int) fx3 ) + { + if ( (int) fx3 < (int) fx1 ) + { + x->x_hiddenzones[ti].x1 = (int) fx2; + x->x_hiddenzones[ti].y1 = (int) fy2; + x->x_hiddenzones[ti].x2 = (int) fx3; + x->x_hiddenzones[ti].y2 = (int) fy3; + x->x_hiddenzones[ti].x3 = (int) fx1; + x->x_hiddenzones[ti].y3 = (int) fy1; + } + else + { + x->x_hiddenzones[ti].x1 = (int) fx2; + x->x_hiddenzones[ti].y1 = (int) fy2; + x->x_hiddenzones[ti].x2 = (int) fx1; + x->x_hiddenzones[ti].y2 = (int) fy1; + x->x_hiddenzones[ti].x3 = (int) fx3; + x->x_hiddenzones[ti].y3 = (int) fy3; + } + } + else + { + x->x_hiddenzones[ti].x1 = (int) fx3; + x->x_hiddenzones[ti].y1 = (int) fy3; + x->x_hiddenzones[ti].x2 = (int) fx2; + x->x_hiddenzones[ti].y2 = (int) fy2; + x->x_hiddenzones[ti].x3 = (int) fx1; + x->x_hiddenzones[ti].y3 = (int) fy1; + } + } + post( "pdp_cache : hiding : [%d,%d]/[%d,%d]/[%d,%d], ", + x->x_hiddenzones[ti].x1, x->x_hiddenzones[ti].y1, + x->x_hiddenzones[ti].x2, x->x_hiddenzones[ti].y2, + x->x_hiddenzones[ti].x3, x->x_hiddenzones[ti].y3 ); + if ( (x->x_hiddenzones[ti].x2-x->x_hiddenzones[ti].x1) != 0 ) + { + x->x_hiddenzones[ti].a1 = + ( ( (float) x->x_hiddenzones[ti].y2 ) - ( (float) x->x_hiddenzones[ti].y1 ) ) / + ( ( (float) x->x_hiddenzones[ti].x2 ) - ( (float) x->x_hiddenzones[ti].x1 ) ); + x->x_hiddenzones[ti].b1 = + ( ( (float) x->x_hiddenzones[ti].y1 )*( (float) x->x_hiddenzones[ti].x2 ) - + ( (float) x->x_hiddenzones[ti].y2 )*( (float) x->x_hiddenzones[ti].x1 ) ) / + ( ( (float) x->x_hiddenzones[ti].x2 ) - ( (float) x->x_hiddenzones[ti].x1 ) ); + } + if ( (x->x_hiddenzones[ti].x2-x->x_hiddenzones[ti].x3) != 0 ) + { + x->x_hiddenzones[ti].a2 = + ( ( (float) x->x_hiddenzones[ti].y3 ) - ( (float) x->x_hiddenzones[ti].y2 ) ) / + ( ( (float) x->x_hiddenzones[ti].x3 ) - ( (float) x->x_hiddenzones[ti].x2 ) ); + x->x_hiddenzones[ti].b2 = + ( ( (float) x->x_hiddenzones[ti].y3 )*( (float) x->x_hiddenzones[ti].x2 ) - + ( (float) x->x_hiddenzones[ti].y2 )*( (float) x->x_hiddenzones[ti].x3 ) ) / + ( ( (float) x->x_hiddenzones[ti].x2 ) - ( (float) x->x_hiddenzones[ti].x3 ) ); + } + if ( (x->x_hiddenzones[ti].x3-x->x_hiddenzones[ti].x1) != 0 ) + { + x->x_hiddenzones[ti].a3 = + ( ( (float) x->x_hiddenzones[ti].y3 ) - ( (float) x->x_hiddenzones[ti].y1 ) ) / + ( ( (float) x->x_hiddenzones[ti].x3 ) - ( (float) x->x_hiddenzones[ti].x1 ) ); + x->x_hiddenzones[ti].b3 = + ( ( (float) x->x_hiddenzones[ti].y1 )*( (float) x->x_hiddenzones[ti].x3 ) - + ( (float) x->x_hiddenzones[ti].y3 )*( (float) x->x_hiddenzones[ti].x1 ) ) / + ( ( (float) x->x_hiddenzones[ti].x3 ) - ( (float) x->x_hiddenzones[ti].x1 ) ); + } + post( "pdp_cache : hiding : a1=%f b1=%f", + x->x_hiddenzones[ti].a1, x->x_hiddenzones[ti].b1 ); + post( "pdp_cache : hiding : a2=%f b2=%f", + x->x_hiddenzones[ti].a2, x->x_hiddenzones[ti].b2 ); + post( "pdp_cache : hiding : a3=%f b3=%f", + x->x_hiddenzones[ti].a3, x->x_hiddenzones[ti].b3 ); + pdp_cache_update_mask(x); + return; + } + if ( x->x_hiddenzones[ti].used && ( ti == MAX_ZONES-1 ) ) + { + post( "pdp_cache : hidden zones table is full" ); + return; + } + } + } + else + { + post( "pdp_cache : hide : wrong coordinates : %d %d %d %d %d %d (width=%d) (height=%d)", + (int)fx1, (int)fy1, (int)fx2, (int)fy2, (int)fx3, (int)fy3, x->x_vwidth, x->x_vheight ); + return; + } +} + + +static void pdp_cache_rawhide(t_pdp_cache *x, t_symbol *s, int argc, t_atom *argv) +{ + if ( (x->x_vwidth == 0) || ( x->x_vheight == 0 ) ) + { + post( "pdp_imgloader : rawhide : no video loaded" ); + return; + } + + argv[0].a_w.w_float *= x->x_vwidth; + argv[1].a_w.w_float *= x->x_vheight; + argv[2].a_w.w_float *= x->x_vwidth; + argv[3].a_w.w_float *= x->x_vheight; + argv[4].a_w.w_float *= x->x_vwidth; + argv[5].a_w.w_float *= x->x_vheight; + + pdp_cache_hide( x, s, argc, argv ); +} + +static void pdp_cache_unhide(t_pdp_cache *x, t_floatarg findex ) +{ + if ( ( (int) findex < 0 ) || ( (int) findex >= MAX_ZONES ) ) + { + post( "pdp_cache : unhide : wrong index" ); + return; + } + x->x_hiddenzones[(int)findex].used = 0; + pdp_cache_update_mask(x); +} + +static void pdp_cache_process_yv12(t_pdp_cache *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; + t_float alpha, factor; + unsigned char y, u, v; + short int *pY, *pU, *pV; + short int *poY, *poU, *poV; + + if ( ( (int)(header->info.image.width) != x->x_vwidth ) || + ( (int)(header->info.image.height) != x->x_vheight ) ) + { + pdp_cache_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_cache_allocate(x); + } + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = x->x_vwidth; + newheader->info.image.height = x->x_vheight; + + poY = data; + poV = data+x->x_vsize; + poU = data+x->x_vsize+(x->x_vsize>>2); + pY = newdata; + pV = newdata+x->x_vsize; + pU = newdata+x->x_vsize+(x->x_vsize>>2); + for ( py=0; py<x->x_vheight; py++ ) + { + for ( px=0; px<x->x_vwidth; px++ ) + { + if ( !(*(x->x_mask+py*x->x_vwidth+px)) ) + { + *(pY) = *(poY); + if ( (px%2==0) && (py%2==0) ) + { + *(pV) = *(poV); + *(pU) = *(poU); + } + } + else + { + *(pY) = 0x00; + if ( (px%2==0) && (py%2==0) ) + { + *(pV) = 0x00; + *(pU) = 0x00; + } + } + pY++; poY++; + if ( (px%2==0) && (py%2==0) ) + { + pV++;pU++; + poV++;poU++; + } + } + } + + return; +} + +static void pdp_cache_sendpacket(t_pdp_cache *x) +{ + /* delete source 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_cache_process(t_pdp_cache *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_cache_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_cache_process_yv12, pdp_cache_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_cache_process */ + break; + + } + } + +} + +static void pdp_cache_input_0(t_pdp_cache *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_cache_process(x); + + } + +} + +static void pdp_cache_free(t_pdp_cache *x) +{ + int i; + + pdp_cache_free_ressources(x); + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); +} + +t_class *pdp_cache_class; + +void *pdp_cache_new(void) +{ + int ti; + + t_pdp_cache *x = (t_pdp_cache *)pd_new(pdp_cache_class); + + x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); + x->x_packet0 = -1; + x->x_packet1 = -1; + x->x_queue_id = -1; + + for ( ti=0; ti<MAX_ZONES; ti++ ) + { + x->x_hiddenzones[ti].used = 0; + } + + x->x_mask = NULL; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_cache_setup(void) +{ + + // post( pdp_cache_version ); + pdp_cache_class = class_new(gensym("pdp_cache"), (t_newmethod)pdp_cache_new, + (t_method)pdp_cache_free, sizeof(t_pdp_cache), 0, A_NULL); + + class_addmethod(pdp_cache_class, (t_method)pdp_cache_input_0, gensym("pdp"), + A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_cache_class, (t_method)pdp_cache_hide, gensym("hide"), A_GIMME, A_NULL); + class_addmethod(pdp_cache_class, (t_method)pdp_cache_rawhide, gensym("rawhide"), A_GIMME, A_NULL); + class_addmethod(pdp_cache_class, (t_method)pdp_cache_unhide, gensym("unhide"), A_DEFFLOAT, A_NULL); + class_sethelpsymbol( pdp_cache_class, gensym("pdp_cache.pd") ); + +} + +#ifdef __cplusplus +} +#endif |