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_dice.c | 345 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 345 insertions(+) create mode 100644 modules/pdp_dice.c (limited to 'modules/pdp_dice.c') diff --git a/modules/pdp_dice.c b/modules/pdp_dice.c new file mode 100644 index 0000000..ddb6007 --- /dev/null +++ b/modules/pdp_dice.c @@ -0,0 +1,345 @@ +/* + * 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 a port of dice effect from EffecTV + * Originally written by clifford smith + * Pd-fication by Yves Degoyon ( ydegoyon@free.fr ) + */ + + +#include "pdp.h" +#include + +#define DEFAULT_CUBE_BITS 4 +#define MAX_CUBE_BITS 5 +#define MIN_CUBE_BITS 0 + +typedef enum _pdp_dice_dir { + up = 0, + right = 1, + down = 2, + left = 3 +} t_pdp_dice_dir; + +static unsigned int fastrand_val; +#define inline_fastrand() (fastrand_val=fastrand_val*1103515245+12345) + +static char *pdp_dice_version = "pdp_dice: version 0.1, port of dice from EffecTV by clifford smith, adapted by ydegoyon@free.fr "; + +typedef struct pdp_dice_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; + + char *x_dicemap; + + t_int x_cube_bits; + t_int x_cube_size; + t_int x_map_height; + t_int x_map_width; + +} t_pdp_dice; + +static void pdp_dice_create_map(t_pdp_dice *x) +{ + int px, py, i; + + if ( x->x_dicemap == NULL ) + { + post( "pdp_dice : tried to create map but it's not allocated" ); + return; + } + + x->x_map_height = x->x_vheight >> x->x_cube_bits; + x->x_map_width = x->x_vwidth >> x->x_cube_bits; + x->x_cube_size = 1 << x->x_cube_bits; + + i = 0; + for (py=0; pyx_map_height; py++) + { + for(px=0; pxx_map_width; px++) + { + x->x_dicemap[i] = (inline_fastrand() >> 24) & 0x03; + i++; + } + } + + return; +} + +static void pdp_dice_cubebits(t_pdp_dice *x, t_floatarg fcubebits ) +{ + if ( ( fcubebits >= MIN_CUBE_BITS ) || ( fcubebits <= MAX_CUBE_BITS ) ) + { + x->x_cube_bits = fcubebits; + pdp_dice_create_map(x); + } +} + +static void pdp_dice_free_ressources(t_pdp_dice *x) +{ + if ( x->x_dicemap ) freebytes( x->x_dicemap, x->x_vsize ); +} + +static void pdp_dice_allocate(t_pdp_dice *x) +{ + x->x_dicemap = (char *) getbytes( x->x_vsize ); +} + +static void pdp_dice_process_yv12(t_pdp_dice *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 i, iuv; + t_int mapx, mapy, mapi; + t_int base, baseuv, dx, dy, di, diuv; + + /* allocate all ressources */ + if ( ((int)header->info.image.width != x->x_vwidth) || + ((int)header->info.image.height != x->x_vheight) ) + { + pdp_dice_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_dice_allocate(x); + post( "pdp_dice : reallocated buffers" ); + pdp_dice_create_map(x); + post( "pdp_dice : initialized map" ); + } + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = x->x_vwidth; + newheader->info.image.height = x->x_vheight; + + mapi = 0; + for(mapy = 0; mapy < x->x_map_height; mapy++) + { + for(mapx = 0; mapx < x->x_map_width; mapx++) + { + base = (mapy << x->x_cube_bits) * x->x_vwidth + (mapx << x->x_cube_bits); + baseuv = (((mapy << x->x_cube_bits)>>1) * (x->x_vwidth>>1)) + ((mapx << x->x_cube_bits)>>1); + switch (x->x_dicemap[mapi]) + { + case up: + for (dy = 0; dy < x->x_cube_size; dy++) + { + i = base + dy * x->x_vwidth; + iuv = baseuv + ((dy>>1) * (x->x_vwidth>>1)); + for (dx = 0; dx < x->x_cube_size; dx++) + { + newdata[i] = data[i]; + newdata[x->x_vsize+iuv] = data[x->x_vsize+iuv]; + newdata[x->x_vsize+(x->x_vsize>>2)+iuv] = data[x->x_vsize+(x->x_vsize>>2)+iuv]; + i++; + if ( (dx%2==0) && (dy%2==0) ) iuv++; + } + } + break; + + case left: + for (dy = 0; dy < x->x_cube_size; dy++) + { + i = base + dy * x->x_vwidth; + iuv = baseuv + ((dy>>1) * (x->x_vwidth>>1)); + for (dx = 0; dx < x->x_cube_size; dx++) + { + di = base + (dx * x->x_vwidth) + (x->x_cube_size - dy - 1); + diuv = baseuv + ((dx>>1) * (x->x_vwidth>>1)) + ((x->x_cube_size - dy - 1)>>1); + newdata[di] = data[i]; + newdata[x->x_vsize+diuv] = data[x->x_vsize+iuv]; + newdata[x->x_vsize+(x->x_vsize>>2)+diuv] = data[x->x_vsize+(x->x_vsize>>2)+iuv]; + i++; + if ( (dx%2==0) && (dy%2==0) ) iuv++; + } + } + break; + + case down: + for (dy = 0; dy < x->x_cube_size; dy++) + { + di = base + dy * x->x_vwidth; + diuv = baseuv + ((dy>>1) * (x->x_vwidth>>1)); + i = base + (x->x_cube_size - dy - 1) * x->x_vwidth + x->x_cube_size; + iuv = baseuv + (((x->x_cube_size - dy - 1)>>1) * (x->x_vwidth>>1)) + (x->x_cube_size>>1); + for (dx = 0; dx < x->x_cube_size; dx++) + { + i--; + if ( dx%2==0) iuv--; + newdata[di] = data[i]; + newdata[x->x_vsize+diuv] = data[x->x_vsize+iuv]; + newdata[x->x_vsize+(x->x_vsize>>2)+diuv] = data[x->x_vsize+(x->x_vsize>>2)+iuv]; + di++; + if ( (dx%2==0) && (dy%2==0) ) iuv++; + } + } + break; + + case right: + for (dy = 0; dy < x->x_cube_size; dy++) + { + i = base + (dy * x->x_vwidth); + iuv = baseuv + ((dy>>1) * (x->x_vwidth>>1)); + for (dx = 0; dx < x->x_cube_size; dx++) + { + di = base + dy + (x->x_cube_size - dx - 1) * x->x_vwidth; + diuv = baseuv + (dy>>1) + (((x->x_cube_size - dx - 1)>>1) * (x->x_vwidth>>1)); + newdata[di] = data[i]; + newdata[x->x_vsize+diuv] = data[x->x_vsize+iuv]; + newdata[x->x_vsize+(x->x_vsize>>2)+diuv] = data[x->x_vsize+(x->x_vsize>>2)+iuv]; + i++; + if ( (dx%2==0) && (dy%2==0) ) iuv++; + } + } + break; + + default: + break; + } + mapi++; + } + } + + return; +} + +static void pdp_dice_sendpacket(t_pdp_dice *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_dice_process(t_pdp_dice *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_dice_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_dice_process_yv12, pdp_dice_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_dice_process */ + break; + + } + } + +} + +static void pdp_dice_input_0(t_pdp_dice *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_dice_process(x); + + } + +} + +static void pdp_dice_free(t_pdp_dice *x) +{ + int i; + + pdp_dice_free_ressources(x); + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); +} + +t_class *pdp_dice_class; + +void *pdp_dice_new(void) +{ + int i; + + t_pdp_dice *x = (t_pdp_dice *)pd_new(pdp_dice_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("cubebits")); + + 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_cube_bits = DEFAULT_CUBE_BITS; + x->x_cube_size = 0; + x->x_map_height = 0; + x->x_map_width = 0; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_dice_setup(void) +{ +// post( pdp_dice_version ); + pdp_dice_class = class_new(gensym("pdp_dice"), (t_newmethod)pdp_dice_new, + (t_method)pdp_dice_free, sizeof(t_pdp_dice), 0, A_NULL); + + class_addmethod(pdp_dice_class, (t_method)pdp_dice_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_dice_class, (t_method)pdp_dice_cubebits, gensym("cubebits"), A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1