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_smuck.c | 228 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 228 insertions(+) create mode 100644 modules/pdp_smuck.c (limited to 'modules/pdp_smuck.c') diff --git a/modules/pdp_smuck.c b/modules/pdp_smuck.c new file mode 100644 index 0000000..968bea4 --- /dev/null +++ b/modules/pdp_smuck.c @@ -0,0 +1,228 @@ +/* + * 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 smuck effect from veejay + * But it it inspired by effectv's transform ( mode 5 ) + * Originally written by Niels Elburg + * Pd-fication by Yves Degoyon + */ + + + +#include "pdp.h" +#include + +#define MAX_N 100 + +static int fastrand_val=0; +#define inline_fastrand() (fastrand_val=fastrand_val*1103515245+12345) + +static char *pdp_smuck_version = "pdp_smuck: version 0.1, port of smuck from veejay( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; + +typedef struct pdp_smuck_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_n; // transform number + +} t_pdp_smuck; + +static void pdp_smuck_free_ressources(t_pdp_smuck *x) +{ + // nothing +} + +static void pdp_smuck_allocate(t_pdp_smuck *x) +{ + // nothing +} + +static void pdp_smuck_n(t_pdp_smuck *x, t_floatarg fn ) +{ + if ( ( fn >= 0 ) && ( fn < MAX_N ) ) + { + x->x_n = fn; + } +} + +static void pdp_smuck_process_yv12(t_pdp_smuck *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, pxx, pyy; + short int *pnY, *pnU, *pnV; + + /* allocate all ressources */ + if ( (int)(header->info.image.width*header->info.image.height) != x->x_vsize ) + { + pdp_smuck_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_smuck_allocate(x); + post( "pdp_smuck : reallocated buffers" ); + } + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = x->x_vwidth; + newheader->info.image.height = x->x_vheight; + + pnY = newdata; + pnV = newdata+x->x_vsize; + pnU = newdata+x->x_vsize+(x->x_vsize>>2); + + for (py = 0; py < x->x_vheight; py++) { + for (px = 0; px < x->x_vwidth; px++) { + pyy = py + (inline_fastrand() >> x->x_n) - 2; + pxx = px + (inline_fastrand() >> x->x_n) - 2; + if (pxx > x->x_vwidth) + pxx = x->x_vwidth; + if ( pxx < 0 ) pxx = 0; + if (pyy > x->x_vheight) + pyy = x->x_vheight; + if ( pyy < 0 ) pyy = 0; + *pnY++ = *( data + pyy*x->x_vwidth + pxx ); + if ( (px%2==0) && (py%2==0) ) + { + *pnU++ = *( data + x->x_vsize + ( (pyy>>1)*(x->x_vwidth>>1) + (pxx>>2) ) ); + *pnV++ = *( data + x->x_vsize + (x->x_vsize>>2) + ( (pyy>>1)*(x->x_vwidth>>1) + (pxx>>2) ) ); + } + } + } + + return; +} + +static void pdp_smuck_sendpacket(t_pdp_smuck *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_smuck_process(t_pdp_smuck *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_smuck_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_smuck_process_yv12, pdp_smuck_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_smuck_process */ + break; + + } + } +} + +static void pdp_smuck_input_0(t_pdp_smuck *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_smuck_process(x); + } +} + +static void pdp_smuck_free(t_pdp_smuck *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); + pdp_smuck_free_ressources(x); +} + +t_class *pdp_smuck_class; + +void *pdp_smuck_new(void) +{ + int i; + + t_pdp_smuck *x = (t_pdp_smuck *)pd_new(pdp_smuck_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("n")); + + 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_n = 30; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_smuck_setup(void) +{ +// post( pdp_smuck_version ); + pdp_smuck_class = class_new(gensym("pdp_smuck"), (t_newmethod)pdp_smuck_new, + (t_method)pdp_smuck_free, sizeof(t_pdp_smuck), 0, A_NULL); + + class_addmethod(pdp_smuck_class, (t_method)pdp_smuck_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_smuck_class, (t_method)pdp_smuck_n, gensym("n"), A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1