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_underwatch.c | 244 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 244 insertions(+) create mode 100644 modules/pdp_underwatch.c (limited to 'modules/pdp_underwatch.c') diff --git a/modules/pdp_underwatch.c b/modules/pdp_underwatch.c new file mode 100644 index 0000000..887be29 --- /dev/null +++ b/modules/pdp_underwatch.c @@ -0,0 +1,244 @@ +/* + * 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 1d effect from effectv + * but i found it funnier to rename it as underwatch + * Originally written by Fukuchi Kentaro & others + * Pd-fication by Yves Degoyon + */ + + + +#include "pdp.h" +#include + +static char *pdp_underwatch_version = "pdp_underwatch: version 0.1, inspired by 1d from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; + +typedef struct pdp_underwatch_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_line; + t_int x_sline; + t_int x_sheight; + t_int x_prevline; + t_int x_prevsline; + t_int x_prevsheight; + t_int x_stripsize; + +} t_pdp_underwatch; + +static void pdp_underwatch_setparams(t_pdp_underwatch *x) +{ + int snext; + + x->x_sline = x->x_line; + snext = (x->x_line + 1); + x->x_sheight = snext - x->x_sline; +} + +static void pdp_underwatch_process_yv12(t_pdp_underwatch *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); + short int *p=0, *po=0, *pu=0, *pv=0, *pou=0, *pov=0; + int i; + + unsigned int u_offset; + unsigned int v_offset; + unsigned int totnbpixels; + int px, py, pd, t; + + x->x_vwidth = header->info.image.width; + x->x_vheight = header->info.image.height; + x->x_vsize = x->x_vwidth*x->x_vheight; + + 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; + + /* copy region */ + for (pd=0; pdx_stripsize; pd++ ) + { + p = newdata+x->x_vwidth*x->x_sline; + pu = newdata+((x->x_vwidth*x->x_sline)>>2)+x->x_vsize; + pv = newdata+((x->x_vwidth*x->x_sline)>>2)+x->x_vsize+(x->x_vsize>>2); + po = data+x->x_vwidth*x->x_line; + pou = data+((x->x_vwidth*x->x_line)>>2)+x->x_vsize; + pov = data+((x->x_vwidth*x->x_line)>>2)+x->x_vsize+(x->x_vsize>>2); + // post("INIT : pov=%x limit=%x", pov, data+x->x_vsize+(x->x_vsize>>1) ); + for(py=0; py<=x->x_sheight; py++) + { + for(px=0; pxx_vwidth; px++) + { + if( po < data+x->x_vsize+(x->x_vsize>>1) ) *p = *po; + if( pou < data+x->x_vsize+(x->x_vsize>>1) ) *(pu) = *(pou); + if( pov < data+x->x_vsize+(x->x_vsize>>1) ) *(pv) = *(pov); + p++; + po++; + if ( ((px+1)%2==0) && ((py+1)%2==0) ) { pu++; pv++; pou++; pov++; }; + } + } + x->x_prevline = x->x_line; + x->x_prevsline = x->x_sline; + x->x_prevsheight = x->x_sheight; + x->x_line=(x->x_line+1)%(x->x_vheight); + pdp_underwatch_setparams(x); + //p = newdata + x->x_vwidth * x->x_sline+1; + //for(px=0; pxx_vwidth; px++) + //{ + // p[px] = 0xff00; + //} + } + + return; +} + +static void pdp_underwatch_sendpacket(t_pdp_underwatch *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_underwatch_process(t_pdp_underwatch *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_underwatch_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_underwatch_process_yv12, pdp_underwatch_sendpacket, &x->x_queue_id); + break; + + case PDP_IMAGE_GREY: + // pdp_underwatch_process_packet(x); + break; + + default: + /* don't know the type, so dont pdp_underwatch_process */ + break; + + } + } +} + +static void pdp_underwatch_stripsize(t_pdp_underwatch *x, t_floatarg fstripsize ) +{ + if ( fstripsize>0 && fstripsizex_vheight ) + { + x->x_stripsize = (int)fstripsize; + } +} + +static void pdp_underwatch_input_0(t_pdp_underwatch *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_underwatch_process(x); + } +} + +static void pdp_underwatch_free(t_pdp_underwatch *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); +} + +t_class *pdp_underwatch_class; + +void *pdp_underwatch_new(void) +{ + int i; + + t_pdp_underwatch *x = (t_pdp_underwatch *)pd_new(pdp_underwatch_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("stripsize")); + + 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_line = 0; + pdp_underwatch_setparams(x); + x->x_prevline = 0; + x->x_prevsline = 0; + x->x_prevsheight = 0; + x->x_stripsize = 10; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_underwatch_setup(void) +{ +// post( pdp_underwatch_version ); + pdp_underwatch_class = class_new(gensym("pdp_underwatch"), (t_newmethod)pdp_underwatch_new, + (t_method)pdp_underwatch_free, sizeof(t_pdp_underwatch), 0, A_NULL); + + class_addmethod(pdp_underwatch_class, (t_method)pdp_underwatch_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_underwatch_class, (t_method)pdp_underwatch_stripsize, gensym("stripsize"), A_FLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1