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_cycle.c | 246 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 246 insertions(+) create mode 100644 modules/pdp_cycle.c (limited to 'modules/pdp_cycle.c') diff --git a/modules/pdp_cycle.c b/modules/pdp_cycle.c new file mode 100644 index 0000000..f2d0085 --- /dev/null +++ b/modules/pdp_cycle.c @@ -0,0 +1,246 @@ +/* + * 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 cycle effect from EffecTV + * Originally written by clifford smith + * Pd-fication by Yves Degoyon ( ydegoyon@free.fr ) + */ + + +#include "pdp.h" +#include + +#define NEWCOLOR(c,o) ((c+o)%230) + +static char *pdp_cycle_version = "pdp_cycle: version 0.1, port of cycle from EffecTV by clifford smith, adapted by ydegoyon@free.fr "; + +typedef struct pdp_cycle_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; + + t_int x_cycley; // flag to activate y cycling + t_int x_cycleu; // flag to activate u cycling + t_int x_cyclev; // flag to activate v cycling + + t_int x_yoffset; + t_int x_uoffset; + t_int x_voffset; + +} t_pdp_cycle; + +static void pdp_cycle_cycley(t_pdp_cycle *x, t_floatarg fcycley ) +{ + if ( ( fcycley == 0 ) || ( fcycley == 1 ) ) + { + x->x_cycley = fcycley; + } +} + +static void pdp_cycle_cycleu(t_pdp_cycle *x, t_floatarg fcycleu ) +{ + if ( ( fcycleu == 0 ) || ( fcycleu == 1 ) ) + { + x->x_cycleu = fcycleu; + } +} + +static void pdp_cycle_cyclev(t_pdp_cycle *x, t_floatarg fcyclev ) +{ + if ( ( fcyclev == 0 ) || ( fcyclev == 1 ) ) + { + x->x_cyclev = fcyclev; + } +} + +static void pdp_cycle_process_yv12(t_pdp_cycle *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; + t_int px, py, y, u, v; + + 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; + + x->x_yoffset += 1; + x->x_uoffset += 3; + x->x_voffset += 7; + + for(py=1; pyx_vheight; py++) + { + for(px=0; pxx_vwidth; px++) + { + if ( x->x_cycley ) + { + y = *(data+py*x->x_vwidth+px)>>7; + *(newdata+py*x->x_vwidth+px) = NEWCOLOR(y,x->x_yoffset)<<7; + } + if ( x->x_cycleu ) + { + u = ( *(data+x->x_vsize+(x->x_vsize>>2)+((py*x->x_vwidth>>2)+(px>>1))) >>8 ) + 128; + *(newdata+x->x_vsize+(x->x_vsize>>2)+((py*x->x_vwidth>>2)+(px>>1))) = (NEWCOLOR(u,x->x_uoffset)-128)<<8; + } + if ( x->x_cyclev ) + { + v = ( *(data+x->x_vsize+((py*x->x_vwidth>>2)+(px>>1))) >>8 ) + 128; + *(newdata+x->x_vsize+((py*x->x_vwidth>>2)+(px>>1))) = (NEWCOLOR(v,x->x_voffset)-128)<<8; + } + } + } + + return; +} + +static void pdp_cycle_sendpacket(t_pdp_cycle *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_cycle_process(t_pdp_cycle *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_cycle_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_cycle_process_yv12, pdp_cycle_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_cycle_process */ + break; + + } + } + +} + +static void pdp_cycle_input_0(t_pdp_cycle *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_cycle_process(x); + + } + +} + +static void pdp_cycle_free(t_pdp_cycle *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); +} + +t_class *pdp_cycle_class; + +void *pdp_cycle_new(void) +{ + int i; + + t_pdp_cycle *x = (t_pdp_cycle *)pd_new(pdp_cycle_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("cycley")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("cycleu")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("cyclev")); + + 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_cycley = 1; + x->x_cycleu = 0; + x->x_cyclev = 0; + + x->x_yoffset = 0; + x->x_uoffset = 0; + x->x_voffset = 0; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_cycle_setup(void) +{ +// post( pdp_cycle_version ); + pdp_cycle_class = class_new(gensym("pdp_cycle"), (t_newmethod)pdp_cycle_new, + (t_method)pdp_cycle_free, sizeof(t_pdp_cycle), 0, A_NULL); + + class_addmethod(pdp_cycle_class, (t_method)pdp_cycle_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_cycle_class, (t_method)pdp_cycle_cycley, gensym("cycley"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_cycle_class, (t_method)pdp_cycle_cycleu, gensym("cycleu"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_cycle_class, (t_method)pdp_cycle_cyclev, gensym("cyclev"), A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1