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-rw-r--r--modules/pdp_rev.c261
1 files changed, 261 insertions, 0 deletions
diff --git a/modules/pdp_rev.c b/modules/pdp_rev.c
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+++ b/modules/pdp_rev.c
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+/*
+ * 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 <math.h>
+
+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; py<h+srcy; py+=x->x_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
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-29 15:15:38 +0000