added sources from pidip-0.12.4svn2git-root

svn path=/trunk/externals/pidip/; revision=837

1 files changed, 349 insertions, 0 deletions

diff --git a/modules/pdp_vertigo.c b/modules/pdp_vertigo.c
new file mode 100644
index 0000000..b6f4e37
--- /dev/null
+++ b/modules/pdp_vertigo.c
@@ -0,0 +1,349 @@
+/*
+ *   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 lens effect from effectv
+ *  Originally written by Fukuchi Kentaro & others
+ *  Pd-fication by Yves Degoyon                                 
+ */
+
+
+
+#include "pdp.h"
+#include <math.h>
+
+static char   *pdp_vertigo_version = "pdp_vertigo: version 0.1, port of vertigo from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)";
+
+typedef struct pdp_vertigo_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;
+    short int *x_buffer;
+    short int *x_current_buffer;
+    short int *x_alt_buffer;
+    t_int x_dx;
+    t_int x_dy;
+    t_int x_sx;
+    t_int x_sy;
+    double x_phase;
+    double x_phase_increment;
+    double x_zoomrate;
+
+
+} t_pdp_vertigo;
+
+static void pdp_vertigo_increment(t_pdp_vertigo *x, t_floatarg fincrement )
+{
+    x->x_phase_increment = fincrement;
+}
+
+static void pdp_vertigo_zoomrate(t_pdp_vertigo *x, t_floatarg fzoomrate )
+{
+    x->x_zoomrate = (int)fzoomrate;
+}
+
+static void pdp_vertigo_allocate(t_pdp_vertigo *x, t_floatarg fnewsize )
+{
+  t_int nsize = (int) fnewsize;
+
+    if ( x->x_buffer ) freebytes( x->x_buffer, 2*((x->x_vsize + (x->x_vsize>>1))<<1) );
+    x->x_buffer = (short int *) getbytes( 2*(( nsize + (nsize>>1))<<1) );
+    if ( x->x_buffer )
+    {
+       bzero( x->x_buffer, 2*((nsize + (nsize>>1))<<1) );
+       x->x_current_buffer = x->x_buffer;
+       x->x_alt_buffer = x->x_buffer + (nsize + (nsize>>1));
+    }
+    x->x_phase = 0;
+}
+
+static void pdp_vertigo_set_params(t_pdp_vertigo *x)
+{
+   double vx, vy;
+   double t;
+   double X, Y;
+   double dizz;
+
+     dizz = sin(x->x_phase) * 10 + sin(x->x_phase*1.9+5) * 5;
+
+     X = x->x_vwidth / 2;
+     Y = x->x_vheight / 2;
+     t = (X*X + Y*Y) * x->x_zoomrate;
+     if( x->x_vwidth > x->x_vheight ) 
+     {
+       if(dizz >= 0) 
+       {
+         if(dizz > X) dizz = X;
+         vx = (X*(X-dizz) + Y*Y) / t;
+       } 
+       else 
+       {
+         if(dizz < -X) dizz = -X;
+         vx = (X*(X+dizz) + Y*Y) / t;
+       }
+       vy = (dizz*Y) / t;
+     } 
+     else 
+     {
+       if(dizz >= 0) 
+       {
+          if(dizz > Y) dizz = Y;
+          vx = (X*X + Y*(Y-dizz)) / t;
+       } 
+       else 
+       {
+         if(dizz < -Y) dizz = -Y;
+         vx = (X*X + Y*(Y+dizz)) / t;
+       }
+       vy = (dizz*X) / t;
+     }
+     x->x_dx = vx * 65536;
+     x->x_dy = vy * 65536;
+     x->x_sx = (-vx * X + vy * Y + X + cos(x->x_phase*5) * 2) * 65536;
+     x->x_sy = (-vx * Y - vy * X + Y + sin(x->x_phase*6) * 2) * 65536;
+
+     x->x_phase += x->x_phase_increment;
+     if(x->x_phase > 5700000) x->x_phase = 0;
+}
+
+
+static void pdp_vertigo_process_yv12(t_pdp_vertigo *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);
+
+    unsigned int totalnbpixels;
+    unsigned int u_offset;
+    unsigned int v_offset;
+    unsigned int totnbpixels;
+    short int *poy, *pou, *pov, *pny, *pnu, *pnv, *pcy, *pcu, *pcv;
+    int px, py;
+    short int v;
+    int ox, oy;
+    int i, ninc;
+
+    /* allocate all ressources */
+    if ( (int)(header->info.image.width*header->info.image.height) != x->x_vsize )
+    {
+        pdp_vertigo_allocate(x, header->info.image.width*header->info.image.height );
+        post( "pdp_vertigo : reallocated buffers" );
+    }
+    
+    x->x_vwidth = header->info.image.width;
+    x->x_vheight = header->info.image.height;
+    x->x_vsize = x->x_vwidth*x->x_vheight;
+
+    totalnbpixels = x->x_vsize;
+    u_offset = x->x_vsize;
+    v_offset = x->x_vsize + (x->x_vsize>>2);
+    totnbpixels = x->x_vsize + (x->x_vsize>>1);
+
+    newheader->info.image.encoding = header->info.image.encoding;
+    newheader->info.image.width = x->x_vwidth;
+    newheader->info.image.height = x->x_vheight;
+
+    pdp_vertigo_set_params(x);
+
+    poy = data;
+    pou = data + x->x_vsize;
+    pov = data + x->x_vsize + (x->x_vsize>>2);
+    pcy = x->x_current_buffer;
+    pcu = x->x_current_buffer + x->x_vsize;
+    pcv = x->x_current_buffer + x->x_vsize + (x->x_vsize>>2);
+    pny = x->x_alt_buffer;
+    pnu = x->x_alt_buffer + x->x_vsize;
+    pnv = x->x_alt_buffer + x->x_vsize + (x->x_vsize>>2);
+    ninc=0;
+    for(py=x->x_vheight; py>0; py--) 
+    {
+       ox = x->x_sx;
+       oy = x->x_sy;
+       for(px=x->x_vwidth; px>0; px--) 
+       {
+          if ( pny >= ( x->x_alt_buffer + x->x_vsize ) )
+          {
+             post( "pdp_vertigo : abnormal pointer position : pny=%x, start=%x, size=%x ninc=%d px=%d py=%d",
+                        pny, x->x_alt_buffer , x->x_vsize-1, ninc, px, py );
+             break;
+          }
+          if ( pnu >= ( x->x_alt_buffer + x->x_vsize + (x->x_vsize>>2) ) ) 
+          {
+             post( "pdp_vertigo : abnormal pointer position : pnu=%x, start=%x, size=%x ninc=%d px=%d py=%d",
+                       pnu, x->x_alt_buffer + x->x_vsize, (x->x_vsize>>2)-1, ninc, px, py );
+             break;
+          }
+          if ( pnv >= ( x->x_alt_buffer + x->x_vsize + (x->x_vsize>>1) ) ) 
+          {
+             post( "pdp_vertigo : abnormal pointer position : pnv=%x, start=%x, size=%x ninc=%d px=%d py=%d",
+                       pnv, x->x_alt_buffer + x->x_vsize + (x->x_vsize>>2), (x->x_vsize>>2)-1, ninc, px, py );
+             break;
+          }
+          i = (oy>>16)*x->x_vwidth + (ox>>16);
+          if (i<0) i = 0;
+          if ( i >= (x->x_vsize + (x->x_vsize>>1)) ) i = (x->x_vsize + (x->x_vsize>>1))-1;
+          v = pcy[i] & 0xffff;
+          v = (v * 3) + ((*poy++) & 0xffff);
+          *pny++ = (v>>2);
+          if ( (((px+1)%2)==0) && (((py+1)%2)==0) )
+          {
+              ninc++;
+              v = pcu[(i/4)] & 0xffff;
+              v = (v * 3) + ((*pou++) & 0xffff);
+              *pnu++ = (v>>2);
+              v = pcv[(i/4)] & 0xffff;
+              v = (v * 3) + ((*pov++) & 0xffff);
+              *pnv++ = (v>>2);
+          }
+          ox += x->x_dx;
+          oy += x->x_dy;
+       }
+       x->x_sx -= x->x_dy;
+       x->x_sy += x->x_dx;
+    }
+
+    memcpy(newdata, x->x_alt_buffer, (x->x_vsize + (x->x_vsize>>1))<<1);
+
+    poy = x->x_current_buffer;
+    x->x_current_buffer = x->x_alt_buffer;
+    x->x_alt_buffer = poy;
+
+    return;
+}
+
+static void pdp_vertigo_sendpacket(t_pdp_vertigo *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_vertigo_process(t_pdp_vertigo *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_vertigo_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_vertigo_process_yv12, pdp_vertigo_sendpacket, &x->x_queue_id);
+	    break;
+
+	case PDP_IMAGE_GREY:
+	    // pdp_vertigo_process_packet(x);
+	    break;
+
+	default:
+	    /* don't know the type, so dont pdp_vertigo_process */
+	    break;
+	    
+	}
+    }
+}
+
+static void pdp_vertigo_input_0(t_pdp_vertigo *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_vertigo_process(x);
+    }
+}
+
+static void pdp_vertigo_free(t_pdp_vertigo *x)
+{
+  int i;
+
+    pdp_queue_finish(x->x_queue_id);
+    pdp_packet_mark_unused(x->x_packet0);
+
+    if ( x->x_buffer ) freebytes( x->x_buffer, 2*((x->x_vsize + (x->x_vsize>>1))<<1) );
+}
+
+t_class *pdp_vertigo_class;
+
+void *pdp_vertigo_new(void)
+{
+    int i;
+
+    t_pdp_vertigo *x = (t_pdp_vertigo *)pd_new(pdp_vertigo_class);
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("increment"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("zoomrate"));
+
+    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_phase = 0;
+    x->x_buffer = NULL;
+    x->x_phase_increment = 0.02;
+    x->x_zoomrate = 1.01;
+
+    return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_vertigo_setup(void)
+{
+//    post( pdp_vertigo_version );
+    pdp_vertigo_class = class_new(gensym("pdp_vertigo"), (t_newmethod)pdp_vertigo_new,
+    	(t_method)pdp_vertigo_free, sizeof(t_pdp_vertigo), 0, A_NULL);
+
+    class_addmethod(pdp_vertigo_class, (t_method)pdp_vertigo_input_0, gensym("pdp"),  A_SYMBOL, A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_vertigo_class, (t_method)pdp_vertigo_increment, gensym("increment"),  A_FLOAT, A_NULL);
+    class_addmethod(pdp_vertigo_class, (t_method)pdp_vertigo_zoomrate, gensym("zoomrate"),  A_FLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif