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Diffstat (limited to 'modules/pdp_warhol.c')
| -rw-r--r-- | modules/pdp_warhol.c | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/modules/pdp_warhol.c b/modules/pdp_warhol.c new file mode 100644 index 0000000..8d12f2b --- /dev/null +++ b/modules/pdp_warhol.c @@ -0,0 +1,285 @@ +/* + * 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 warhol effect from effectv + * Copyright (C) 2002 Jun IIO + * Pd-fication by Yves Degoyon + */ + + + +#include "pdp.h" +#include <math.h> + +#define NBCOLORS 9 +static t_int colortable[NBCOLORS] = { + 0x000080, 0x008045, 0x07f0e7, + 0x0000f0, 0x00f07f, 0x037a10, + 0x0023d9, 0x0080f0, 0x083df0 +}; + +static char *pdp_warhol_version = "pdp_warhol: version 0.1, port of warhol from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; + +typedef struct pdp_warhol_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_dividerx; + t_int x_dividery; + t_int x_colorindex; + +} t_pdp_warhol; + +static void pdp_warhol_dividerx(t_pdp_warhol *x, t_floatarg fdivider ) +{ + if ( ( fdivider > 1 ) && ( fdivider < x->x_vwidth ) ) + { + x->x_dividerx = (t_int) fdivider; + } +} + +static void pdp_warhol_dividery(t_pdp_warhol *x, t_floatarg fdivider ) +{ + if ( ( fdivider > 1 ) && ( fdivider < x->x_vwidth ) ) + { + x->x_dividery = (t_int) fdivider; + } +} + +static void pdp_warhol_colorindex(t_pdp_warhol *x, t_floatarg findex ) +{ + if ( ( findex >= 0 ) && ( findex < NBCOLORS ) ) + { + x->x_colorindex = (t_int) findex; + } +} + +static void pdp_warhol_v(t_pdp_warhol *x, t_floatarg fv ) +{ + t_int tc; + + if ( ( fv >= 0 ) && ( fv < 255 ) ) + { + tc = colortable[x->x_colorindex] & 0xffff00; + tc = tc | (int) fv; + colortable[x->x_colorindex] = tc; + } +} + +static void pdp_warhol_u(t_pdp_warhol *x, t_floatarg fu ) +{ + t_int tc; + + if ( ( fu >= 0 ) && ( fu < 255 ) ) + { + tc = colortable[x->x_colorindex] & 0xff00ff; + tc = tc | (((int)fu)<<8); + colortable[x->x_colorindex] = tc; + } +} + +static void pdp_warhol_y(t_pdp_warhol *x, t_floatarg fy ) +{ + t_int tc; + + if ( ( fy >= 0 ) && ( fy < 255 ) ) + { + tc = colortable[x->x_colorindex] & 0x00ffff; + tc = tc | (((int)fy)<<16); + colortable[x->x_colorindex] = tc; + } +} + +static void pdp_warhol_process_yv12(t_pdp_warhol *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 *pny, *pnu, *pnv; + short int *poy, *pou, *pov; + + short int Y, U, V; + int p, q, px, py, i; + + x->x_vwidth = header->info.image.width; + x->x_vheight = header->info.image.height; + x->x_vsize = x->x_vwidth*x->x_vheight; + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = x->x_vwidth; + newheader->info.image.height = x->x_vheight; + + poy = data; + pou = data + x->x_vsize; + pov = data + x->x_vsize + (x->x_vsize>>2); + pny = newdata; + pnu = newdata + x->x_vsize; + pnv = newdata + x->x_vsize + (x->x_vsize>>2); + for (py = 0; py < x->x_vheight; py++) + { + for (px = 0; px < x->x_vwidth; px++) + { + p = (px * x->x_dividerx) % x->x_vwidth; + q = (py * x->x_dividery) % x->x_vheight; + i = ( ((py * x->x_dividery) / x->x_vheight) * x->x_dividery + + ((px * x->x_dividerx) / x->x_vwidth) ) % NBCOLORS; + Y = (colortable[i] >> 16); + U = ( (colortable[i] >> 8) & 0xff ); + V = ( colortable[i] & 0xff); + *pny = ( *(poy + (q*x->x_vwidth+p) ) ) ^ ( Y<<8 ); + pny++; + if ( ( px%2==0 ) && ( py%2==0 ) ) + { + *pnu = ( ( U - 128 << 7 ) ); + *pnv = ( ( V - 128 << 7 ) ); + // *pnu = ( *(pou + ((q>>1)*(x->x_vwidth>>1)+(p>>1)) ) ) ^ ( ( U - 128 << 7 ) ); + // *pnv = ( *(pov + ((q>>1)*(x->x_vwidth>>1)+(p>>1)) ) ) ^ ( ( V - 128 << 7 ) ); + pnu++; pnv++; + } + } + } + + return; +} + +static void pdp_warhol_sendpacket(t_pdp_warhol *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_warhol_process(t_pdp_warhol *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_warhol_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_warhol_process_yv12, pdp_warhol_sendpacket, &x->x_queue_id); + break; + + case PDP_IMAGE_GREY: + break; + + default: + /* don't know the type, so dont pdp_warhol_process */ + break; + + } + } +} + +static void pdp_warhol_input_0(t_pdp_warhol *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_warhol_process(x); + } +} + +static void pdp_warhol_free(t_pdp_warhol *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); +} + +t_class *pdp_warhol_class; + +void *pdp_warhol_new(void) +{ + int i; + + t_pdp_warhol *x = (t_pdp_warhol *)pd_new(pdp_warhol_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("dividerx")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("dividery")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("colorindex")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("Y")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("U")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("V")); + + 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_dividerx = 3; + x->x_dividery = 3; + x->x_colorindex = 0; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_warhol_setup(void) +{ +// post( pdp_warhol_version ); + pdp_warhol_class = class_new(gensym("pdp_warhol"), (t_newmethod)pdp_warhol_new, + (t_method)pdp_warhol_free, sizeof(t_pdp_warhol), 0, A_NULL); + + class_addmethod(pdp_warhol_class, (t_method)pdp_warhol_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_warhol_class, (t_method)pdp_warhol_dividerx, gensym("dividerx"), A_FLOAT, A_NULL); + class_addmethod(pdp_warhol_class, (t_method)pdp_warhol_dividery, gensym("dividery"), A_FLOAT, A_NULL); + class_addmethod(pdp_warhol_class, (t_method)pdp_warhol_colorindex, gensym("colorindex"), A_FLOAT, A_NULL); + class_addmethod(pdp_warhol_class, (t_method)pdp_warhol_y, gensym("Y"), A_FLOAT, A_NULL); + class_addmethod(pdp_warhol_class, (t_method)pdp_warhol_u, gensym("U"), A_FLOAT, A_NULL); + class_addmethod(pdp_warhol_class, (t_method)pdp_warhol_v, gensym("V"), A_FLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif |