diff options
Diffstat (limited to 'modules/pdp_edge.c')
| -rw-r--r-- | modules/pdp_edge.c | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/modules/pdp_edge.c b/modules/pdp_edge.c new file mode 100644 index 0000000..89e3cd8 --- /dev/null +++ b/modules/pdp_edge.c @@ -0,0 +1,300 @@ +/* + * 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 edge effect from effectv + * Originally written by Fukuchi Kentaro & others + * Pd-fication by Yves Degoyon + */ + + + +#include "pdp.h" +#include <math.h> + +static char *pdp_edge_version = "pdp_edge: version 0.1, port of edge from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; + +typedef struct pdp_edge_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_mapw; + t_int x_maph; + t_int x_video_width_margin; + t_int *x_map; + +} t_pdp_edge; + +static void pdp_edge_allocate(t_pdp_edge *x) +{ + x->x_map = (t_int*) getbytes ( ( x->x_vwidth * x->x_vheight * sizeof (t_int) ) << 1 ); + bzero(x->x_map, ( x->x_vwidth * x->x_vheight * sizeof (t_int) ) << 1 ); +} + +static void pdp_edge_free_ressources(t_pdp_edge *x) +{ + if ( x->x_map ) freebytes ( x->x_map, ( x->x_vwidth * x->x_vheight * sizeof (t_int) ) << 1 ); +} + +static void pdp_edge_process_yv12(t_pdp_edge *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; + + t_int px, py; + t_int y, u, v; + t_int y0, u0, v0; + t_int y1, u1, v1; + t_int y2, u2, v2; + t_int y3, u3, v3; + short int *pdata, *pnewdata; + + /* allocate all ressources */ + if ( (int)(header->info.image.width*header->info.image.height) != x->x_vsize ) + { + pdp_edge_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; + x->x_mapw = x->x_vwidth >> 2; + x->x_maph = x->x_vheight >> 2; + x->x_video_width_margin = x->x_vwidth - ( x->x_mapw << 2 ); + pdp_edge_allocate(x); + } + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = x->x_vwidth; + newheader->info.image.height = x->x_vheight; + + pdata = data + x->x_vwidth*4+4; + pnewdata = newdata + x->x_vwidth*4+4; + for(py=1; py<x->x_vheight-4; py+=4) + { + for(px=1; px<x->x_vwidth-4; px+=4) + { + /* difference between the current pixel and right neighbor. */ + y2 = (*(pdata+(py*x->x_vwidth+px))>>8) - (*(pdata+(py*x->x_vwidth+px)-4)>>8); + u2 = (*(pdata+x->x_vsize+(py*x->x_vwidth>>2)+(px>>1))>>8) - + (*(pdata+x->x_vsize+(py*x->x_vwidth>>2)+(px>>1)-2)>>8); + v2 = (*(pdata+x->x_vsize+(x->x_vsize>>2)+(py*x->x_vwidth>>2)+(px>>1))>>8) - + (*(pdata+x->x_vsize+(x->x_vsize>>2)+(py*x->x_vwidth>>2)+(px>>1)-2)>>8); + y2 *= y2; + u2 *= u2; + v2 *= v2; + y2 = y2>>5; /* To lack the lower bit for saturated addition, */ + u2 = u2>>5; /* devide the value with 32, instead of 16. It is */ + v2 = v2>>4; /* same as `v2 &= 0xfefeff' */ + if(y2>127) y2 = 127; + if(u2>127) u2 = 127; + if(v2>255) v2 = 255; + + /* difference between the current pixel and upper neighbor. */ + y3 = (*(pdata+(py*x->x_vwidth+px))>>8) - (*(pdata+(py*x->x_vwidth+px)-4*x->x_vwidth)>>8); + u3 = (*(pdata+x->x_vsize+(py*x->x_vwidth>>2)+(px>>1))>>8) - + (*(pdata+x->x_vsize+(py*x->x_vwidth>>2)+(px>>1)-2*x->x_vwidth)>>8); + v3 = (*(pdata+x->x_vsize+(x->x_vsize>>2)+(py*x->x_vwidth>>2)+(px>>1))>>8) - + (*(pdata+x->x_vsize+(x->x_vsize>>2)+(py*x->x_vwidth>>2)+(px>>1)-2*x->x_vwidth)>>8); + y3 *= y3; + u3 *= u3; + v3 *= v3; + y3 = y3>>5; /* To lack the lower bit for saturated addition, */ + u3 = u3>>5; /* devide the value with 32, instead of 16. It is */ + v3 = v3>>4; /* same as `v2 &= 0xfefeff' */ + if(y3>127) y3 = 127; + if(u3>127) u3 = 127; + if(v3>255) v3 = 255; + + y0 = (x->x_map[(py-1)*x->x_vwidth*2+px*2]>>17); + u0 = (x->x_map[(py-1)*x->x_vwidth*2+px*2]>>9)&0xff; + v0 = x->x_map[(py-1)*x->x_vwidth*2+px*2]&0xff; + y1 = (x->x_map[py*x->x_vwidth*2+(px-1)*2+1]>>17); + u1 = (x->x_map[py*x->x_vwidth*2+(px-1)*2+1]>>9)&0xff; + v1 = x->x_map[py*x->x_vwidth*2+(px-1)*2+1]&0xff; + x->x_map[py*x->x_vwidth*2+px*2] = (y2<<17)|(u2<<9)|v2; + x->x_map[py*x->x_vwidth*2+px*2+1] = (y3<<17)|(u3<<9)|v3; + y = y0 + y1; + u = y & 0x01010100; + *(pnewdata+(py*x->x_vwidth+px)) = (y | (u - (u>>8)))<<8; + *(pnewdata+x->x_vsize+(py*x->x_vwidth>>2)+(px>>1)) = (y | (u - (u>>8)))<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+(py*x->x_vwidth>>2)+(px>>1)) = (y | (u - (u>>8)))<<8; + y = y0 + y3; + u = y & 0x01010100; + *(pnewdata+(py*x->x_vwidth+px)+1) = (y | (u - (u>>8)))<<8; + *(pnewdata+x->x_vsize+(py*x->x_vwidth>>2)+(px>>1+1)) = (y | (u - (u>>8)))<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+(py*x->x_vwidth>>2)+(px>>1+1)) = (y | (u - (u>>8)))<<8; + *(pnewdata+(py*x->x_vwidth+px)+2) = y3<<8; + *(pnewdata+x->x_vsize+(py*x->x_vwidth>>2)+((px+2)>>1)) = u3<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+(py*x->x_vwidth>>2)+((px+2)>>1)) = v3<<8; + *(pnewdata+(py*x->x_vwidth+px)+3) = y3<<8; + *(pnewdata+x->x_vsize+(py*x->x_vwidth>>2)+((px+3)>>1)) = u3<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+(py*x->x_vwidth>>2)+((px+3)>>1)) = v3<<8; + y = y2 + y1; + u = y & 0x01010100; + *(pnewdata+(py*x->x_vwidth+px)+x->x_vwidth) = (y | (u - (u>>8)))<<8; + *(pnewdata+x->x_vsize+((py+1)*x->x_vwidth>>2)+(px>>1)) = (y | (u - (u>>8)))<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+((py+1)*x->x_vwidth>>2)+(px>>1)) = (y | (u - (u>>8)))<<8; + y = y2 + y3; + u = y & 0x01010100; + + *(pnewdata+(py*x->x_vwidth+px)+x->x_vwidth+1) = (y | (u - (u>>8)))<<8; + *(pnewdata+x->x_vsize+((py+1)*x->x_vwidth>>2)+((px+1)>>1)) = (y | (u - (u>>8)))<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+((py+1)*x->x_vwidth>>2)+((px+1)>>1)) = (y | (u - (u>>8)))<<8; + + *(pnewdata+(py*x->x_vwidth+px)+x->x_vwidth+2) = y3<<8; + *(pnewdata+x->x_vsize+((py+1)*x->x_vwidth>>2)+((px+2)>>1)) = u3<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+((py+1)*x->x_vwidth>>2)+((px+2)>>1)) = v3<<8; + + *(pnewdata+(py*x->x_vwidth+px)+x->x_vwidth+3) = y3<<8; + *(pnewdata+x->x_vsize+((py+1)*x->x_vwidth>>2)+((px+3)>>1)) = u3<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+((py+1)*x->x_vwidth>>2)+((px+3)>>1)) = v3<<8; + + *(pnewdata+(py*x->x_vwidth+px)+2*x->x_vwidth) = y2<<8; + *(pnewdata+x->x_vsize+((py+2)*x->x_vwidth>>2)+((px)>>1)) = u2<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+((py+2)*x->x_vwidth>>2)+((px)>>1)) = v2<<8; + + *(pnewdata+(py*x->x_vwidth+px)+2*x->x_vwidth+1) = y2<<8; + *(pnewdata+x->x_vsize+((py+2)*x->x_vwidth>>2)+((px+1)>>1)) = u2<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+((py+2)*x->x_vwidth>>2)+((px+1)>>1)) = v2<<8; + + *(pnewdata+(py*x->x_vwidth+px)+3*x->x_vwidth) = y2<<8; + *(pnewdata+x->x_vsize+((py+3)*x->x_vwidth>>2)+((px)>>1)) = u2<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+((py+3)*x->x_vwidth>>2)+((px)>>1)) = v2<<8; + + *(pnewdata+(py*x->x_vwidth+px)+3*x->x_vwidth+1) = y2<<8; + *(pnewdata+x->x_vsize+((py+3)*x->x_vwidth>>2)+((px+1)>>1)) = u2<<8; + *(pnewdata+x->x_vsize+(x->x_vsize>>2)+((py+3)*x->x_vwidth>>2)+((px+1)>>1)) = v2<<8; + } + } + + return; +} + +static void pdp_edge_sendpacket(t_pdp_edge *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_edge_process(t_pdp_edge *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_edge_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_edge_process_yv12, pdp_edge_sendpacket, &x->x_queue_id); + break; + + case PDP_IMAGE_GREY: + break; + + default: + /* don't know the type, so dont pdp_edge_process */ + break; + + } + } + +} + +static void pdp_edge_input_0(t_pdp_edge *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_edge_process(x); + + } +} + +static void pdp_edge_free(t_pdp_edge *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); + pdp_edge_free_ressources(x); +} + +t_class *pdp_edge_class; + +void *pdp_edge_new(void) +{ + int i; + + t_pdp_edge *x = (t_pdp_edge *)pd_new(pdp_edge_class); + + x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); + + x->x_packet0 = -1; + x->x_packet1 = -1; + x->x_queue_id = -1; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_edge_setup(void) +{ +// post( pdp_edge_version ); + pdp_edge_class = class_new(gensym("pdp_edge"), (t_newmethod)pdp_edge_new, + (t_method)pdp_edge_free, sizeof(t_pdp_edge), 0, A_NULL); + + class_addmethod(pdp_edge_class, (t_method)pdp_edge_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif |