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_rev.c | 261 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 261 insertions(+) create mode 100644 modules/pdp_rev.c (limited to 'modules/pdp_rev.c') diff --git a/modules/pdp_rev.c b/modules/pdp_rev.c new file mode 100644 index 0000000..58f5753 --- /dev/null +++ b/modules/pdp_rev.c @@ -0,0 +1,261 @@ +/* + * 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 rev effect from effectv + * (c)2002 Ed Tannenbaum + * Pd-fication by Yves Degoyon + */ + + + +#include "pdp.h" +#include + +static char *pdp_rev_version = "pdp_rev: version 0.1, port of rev from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)"; + +typedef struct pdp_rev_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_vgrabtime; + t_int x_vgrab; + t_int x_linespace; + t_int x_vscale; + t_int x_vcolor; + +} t_pdp_rev; + +static void pdp_rev_vgrabtime(t_pdp_rev *x, t_floatarg fvgrabtime ) +{ + if ( fvgrabtime > 1 ) + { + x->x_vgrabtime = (int)fvgrabtime; + } +} + +static void pdp_rev_linespace(t_pdp_rev *x, t_floatarg flinespace ) +{ + if ( flinespace > 1 ) + { + x->x_linespace = (int)flinespace; + } +} + +static void pdp_rev_vscale(t_pdp_rev *x, t_floatarg fvscale ) +{ + if ( fvscale > 1 ) + { + x->x_vscale = (int)fvscale; + } +} + +static void pdp_rev_color(t_pdp_rev *x, t_floatarg fvcolor ) +{ + if ( ( fvcolor > 0 ) && ( fvcolor < 0xffff ) ) + { + x->x_vcolor = ((int)fvcolor)<<8; + } +} + +void pdp_rev_vasulka(t_pdp_rev *x, short int *src, short int *dst, int srcx, int srcy, int dstx, int dsty, int w, int h) +{ + short int *cdst=dst+((dsty*x->x_vwidth)+dstx); + short int *nsrc, *nusrc, *nvsrc; + int py,px,Y,U,V,yval; + int offset; + + // draw the offset lines + for (py=srcy; pyx_linespace) + { + for(px=srcx; px<=w+srcx; px++) + { + nsrc=src+(py*x->x_vwidth)+px; + nusrc=src+(((py*x->x_vwidth)+px)>>2)+x->x_vsize; + nvsrc=src+(((py*x->x_vwidth)+px)>>2)+x->x_vsize+(x->x_vsize>>2); + // Calc Y Value for curpix + Y = (*nsrc); + U = (*nusrc); + V = (*nvsrc); + yval = py - ((short)(Y + U + V) / x->x_vscale) ; + offset = px + yval * x->x_vwidth; + if(offset >= 0 && offset < x->x_vsize ) + { + cdst[offset]=x->x_vcolor; + cdst[x->x_vsize+(offset>>2)]=x->x_vcolor; + cdst[x->x_vsize+(x->x_vsize>>2)+(offset>>2)]=x->x_vcolor; + } + } + } +} + +static void pdp_rev_process_yv12(t_pdp_rev *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); + int i; + + unsigned int totalnbpixels; + + totalnbpixels = x->x_vsize; + + 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; + + memcpy( newdata, data, (x->x_vsize + (x->x_vsize>>1))<<1 ); + + x->x_vgrab++; + if (x->x_vgrab >= x->x_vgrabtime) + { + x->x_vgrab=0; + pdp_rev_vasulka(x, data, newdata, 0, 0, 0, 0, x->x_vwidth, x->x_vheight); + } + + return; +} + +static void pdp_rev_sendpacket(t_pdp_rev *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_rev_process(t_pdp_rev *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_rev_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_rev_process_yv12, pdp_rev_sendpacket, &x->x_queue_id); + break; + + case PDP_IMAGE_GREY: + break; + + default: + /* don't know the type, so dont pdp_rev_process */ + break; + + } + } + +} + +static void pdp_rev_input_0(t_pdp_rev *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_rev_process(x); + } +} + +static void pdp_rev_free(t_pdp_rev *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); +} + +t_class *pdp_rev_class; + +void *pdp_rev_new(void) +{ + int i; + + t_pdp_rev *x = (t_pdp_rev *)pd_new(pdp_rev_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("vgrabtime")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("linespace")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("vscale")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("color")); + + 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_vgrabtime = 1; + x->x_vgrab = 0; + x->x_linespace = 6; + x->x_vscale = 50; + x->x_vcolor = 0xffff; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_rev_setup(void) +{ +// post( pdp_rev_version ); + pdp_rev_class = class_new(gensym("pdp_rev"), (t_newmethod)pdp_rev_new, + (t_method)pdp_rev_free, sizeof(t_pdp_rev), 0, A_NULL); + + class_addmethod(pdp_rev_class, (t_method)pdp_rev_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_rev_class, (t_method)pdp_rev_vgrabtime, gensym("vgrabtime"), A_FLOAT, A_NULL); + class_addmethod(pdp_rev_class, (t_method)pdp_rev_linespace, gensym("linespace"), A_FLOAT, A_NULL); + class_addmethod(pdp_rev_class, (t_method)pdp_rev_vscale, gensym("vscale"), A_FLOAT, A_NULL); + class_addmethod(pdp_rev_class, (t_method)pdp_rev_color, gensym("color"), A_FLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1