New in PiDiP 0.12.7

svn path=/trunk/externals/pidip/; revision=1040

1 files changed, 417 insertions, 0 deletions

diff --git a/modules/pdp_canvas.c b/modules/pdp_canvas.c
new file mode 100644
index 0000000..80ce63e
--- /dev/null
+++ b/modules/pdp_canvas.c
@@ -0,0 +1,417 @@
+/*
+ *   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 object allowing juxtaposition of frames from two inlets
+ *  Written by Yves Degoyon                                 
+ */
+
+
+
+#include "pdp.h"
+#include <math.h>
+
+static char   *pdp_canvas_version = "pdp_canvas: version 0.1, display for several video sources, written by Yves Degoyon (ydegoyon@free.fr)";
+
+#define MAX_CANVAS_INPUT 10
+
+typedef struct pdp_canvas_struct
+{
+    t_object x_obj;
+    t_float x_f;
+
+    t_outlet *x_outlet0;
+    t_int x_dropped;
+    t_int x_queue_id;
+
+    t_int x_opacket;
+
+    t_int x_current;
+    t_float x_xmouse;
+    t_float x_ymouse;
+
+    t_int *x_packets;
+    t_int *x_widths;
+    t_int *x_heights;
+    t_float *x_xoffsets;
+    t_float *x_yoffsets;
+    t_int *x_sizes;
+
+    t_int x_owidth;
+    t_int x_oheight;
+    t_int x_osize;
+    t_int x_nbinputs;
+
+} t_pdp_canvas;
+
+static void pdp_canvas_process_yv12(t_pdp_canvas *x)
+{
+  t_int     px, py, ppx, ppy, ii, nbs;
+  short int *pY, *pU, *pV;
+  short int *piY, *piU, *piV;
+  t_pdp     *oheader;
+  short int *odata;
+  t_pdp     *iheader;
+  short int *idata;
+
+  x->x_opacket = pdp_packet_new_image_YCrCb( x->x_owidth, x->x_oheight );
+  oheader = pdp_packet_header(x->x_opacket);
+  odata   = (short int *)pdp_packet_data(x->x_opacket);
+
+  oheader->info.image.encoding = PDP_IMAGE_YV12;
+  oheader->info.image.width = x->x_owidth;
+  oheader->info.image.height = x->x_oheight;
+
+  memset( odata, 0x00, (x->x_osize + (x->x_osize>>1))<<1 );
+
+  pY = odata;
+  pV = odata+x->x_osize;
+  pU = odata+x->x_osize+(x->x_osize>>2);
+  for ( py=0; py<x->x_oheight; py++ )
+  {
+    for ( px=0; px<x->x_owidth; px++ )
+    {
+       nbs=0;
+       for ( ii=0; ii<x->x_nbinputs; ii++)
+       {
+         if ( x->x_packets[ii] != -1 )
+         {
+            if ( (px >= (int)x->x_xoffsets[ii]) && ( px < (int)x->x_xoffsets[ii] + x->x_widths[ii] )
+                 && (py >= (int)x->x_yoffsets[ii]) && ( py < (int)x->x_yoffsets[ii] + x->x_heights[ii] )
+            ) 
+            {
+               nbs++;
+               idata = (short int *)pdp_packet_data(x->x_packets[ii]);
+               piY = idata;
+               piV = idata+x->x_sizes[ii];
+               piU = idata+x->x_sizes[ii]+(x->x_sizes[ii]>>2);
+               ppx = px-(int)x->x_xoffsets[ii];
+               ppy = py-(int)x->x_yoffsets[ii];
+               *(pY+py*x->x_owidth+px) += *(piY+ppy*x->x_widths[ii]+ppx);
+               if ( (px%2==0) && (py%2==0) )
+               {
+                 *(pU+(py>>1)*(x->x_owidth>>1)+(px>>1)) +=
+                         *(piU+(ppy>>1)*(x->x_widths[ii]>>1)+(ppx>>1));
+                 *(pV+(py>>1)*(x->x_owidth>>1)+(px>>1)) +=
+                         *(piV+(ppy>>1)*(x->x_widths[ii]>>1)+(ppx>>1));
+               }
+            }
+         }
+       }
+    }
+  }
+
+  return;
+}
+
+static void pdp_canvas_sendpacket(t_pdp_canvas *x)
+{
+  /* unregister and propagate if valid dest packet */
+  pdp_packet_pass_if_valid(x->x_outlet0, &x->x_opacket);
+}
+
+static void pdp_canvas_process(t_pdp_canvas *x, t_int ni)
+{
+   int encoding;
+   t_pdp *header = 0;
+
+   /* check if image data packets are compatible */
+   if ( (header = pdp_packet_header(x->x_packets[ni]))
+   	&& (PDP_IMAGE == header->type)){
+    
+	/* pdp_canvas_process inputs and write into active inlet */
+	switch(pdp_packet_header(x->x_packets[ni])->info.image.encoding){
+
+	case PDP_IMAGE_YV12:
+            pdp_queue_add(x, pdp_canvas_process_yv12, pdp_canvas_sendpacket, &x->x_queue_id);
+	    break;
+
+	case PDP_IMAGE_GREY:
+	    break;
+
+	default:
+	    /* don't know the type, so dont pdp_canvas_process */
+	    break;
+	    
+	}
+    }
+}
+
+static void pdp_canvas_offset(t_pdp_canvas *x, t_floatarg ni, t_floatarg xoffset, t_floatarg yoffset)
+{
+  if ( ( ni < 1 ) || ( ni > x->x_nbinputs ) )
+  {
+     post( "pdp_canvas : offset : wrong source : %d : must be between 1 and %d", ni, x->x_nbinputs );
+     return;
+  }
+  x->x_xoffsets[(int)ni-1] = xoffset;
+  x->x_yoffsets[(int)ni-1] = yoffset;
+}
+
+static void pdp_canvas_select(t_pdp_canvas *x, t_floatarg X, t_floatarg Y)
+{
+ t_int ii;
+
+  x->x_current = -1;
+  X = X*x->x_owidth;
+  Y = Y*x->x_oheight;
+  // post( "pdp_canvas : select %f %f", X, Y );
+  for ( ii=0; ii<x->x_nbinputs; ii++)
+  {
+    if ( x->x_packets[ii] != -1 )
+    {
+      if ( (X >= x->x_xoffsets[ii]) && ( X < x->x_xoffsets[ii] + x->x_widths[ii] )
+           && (Y >= x->x_yoffsets[ii]) && ( Y < x->x_yoffsets[ii] + x->x_heights[ii] )
+         ) 
+      {
+         x->x_current = ii;
+         x->x_xmouse = X;
+         x->x_ymouse = Y;
+      }
+    }
+  }
+}
+
+static void pdp_canvas_drag(t_pdp_canvas *x, t_floatarg X, t_floatarg Y)
+{
+  X = X*x->x_owidth;
+  Y = Y*x->x_oheight;
+  // post( "pdp_canvas : drag %f %f", dx, dy );
+  if ( x->x_current != -1 )
+  {
+     x->x_xoffsets[ x->x_current ] += (X-x->x_xmouse);
+     x->x_yoffsets[ x->x_current ] += (Y-x->x_ymouse);
+     x->x_xmouse = X;
+     x->x_ymouse = Y;
+  }
+}
+
+static void pdp_canvas_unselect(t_pdp_canvas *x)
+{
+  x->x_current = -1;
+}
+
+static void pdp_canvas_input(t_pdp_canvas *x, t_symbol *s, t_floatarg f, t_int ni)
+{
+  t_pdp     *header;
+  short int *data;
+
+    /* if this is a register_ro message or register_rw message, register with packet factory */
+
+    if (s== gensym("register_rw")) 
+    {
+      /* release the packet */
+      if ( x->x_packets[ni] != -1 )
+      {
+        pdp_packet_mark_unused(x->x_packets[ni]);
+        x->x_packets[ni] = -1;
+      }
+      x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packets[ni], (int)f, pdp_gensym("image/YCrCb/*") );
+      if ( x->x_packets[ni] != -1 )
+      {
+        header = pdp_packet_header(x->x_packets[ni]);
+        x->x_widths[ni] = header->info.image.width;
+        x->x_heights[ni] = header->info.image.height;
+        x->x_sizes[ni] = x->x_widths[ni]*x->x_heights[ni];
+      }
+    }
+
+    if ((s == gensym("process")) && (-1 != x->x_packets[ni]) && (!x->x_dropped))
+    {
+        /* add the process method and callback to the process queue */
+        pdp_canvas_process(x, ni);
+    }
+}
+
+static void pdp_canvas_input0(t_pdp_canvas *x, t_symbol *s, t_floatarg f)
+{
+  pdp_canvas_input(x, s, f, 0);
+}
+
+static void pdp_canvas_input1(t_pdp_canvas *x, t_symbol *s, t_floatarg f)
+{
+  pdp_canvas_input(x, s, f, 1);
+}
+
+static void pdp_canvas_input2(t_pdp_canvas *x, t_symbol *s, t_floatarg f)
+{
+  pdp_canvas_input(x, s, f, 2);
+}
+
+static void pdp_canvas_input3(t_pdp_canvas *x, t_symbol *s, t_floatarg f)
+{
+  pdp_canvas_input(x, s, f, 3);
+}
+
+static void pdp_canvas_input4(t_pdp_canvas *x, t_symbol *s, t_floatarg f)
+{
+  pdp_canvas_input(x, s, f, 4);
+}
+
+static void pdp_canvas_input5(t_pdp_canvas *x, t_symbol *s, t_floatarg f)
+{
+  pdp_canvas_input(x, s, f, 5);
+}
+
+static void pdp_canvas_input6(t_pdp_canvas *x, t_symbol *s, t_floatarg f)
+{
+  pdp_canvas_input(x, s, f, 6);
+}
+
+static void pdp_canvas_input7(t_pdp_canvas *x, t_symbol *s, t_floatarg f)
+{
+  pdp_canvas_input(x, s, f, 7);
+}
+
+static void pdp_canvas_input8(t_pdp_canvas *x, t_symbol *s, t_floatarg f)
+{
+  pdp_canvas_input(x, s, f, 8);
+}
+
+static void pdp_canvas_input9(t_pdp_canvas *x, t_symbol *s, t_floatarg f)
+{
+  pdp_canvas_input(x, s, f, 9);
+}
+
+static void pdp_canvas_free(t_pdp_canvas *x)
+{
+ t_int ii;
+
+  pdp_queue_finish(x->x_queue_id);
+  for ( ii=0; ii<x->x_nbinputs; ii++)
+  {
+    pdp_packet_mark_unused(x->x_packets[ii]);
+  }
+  pdp_packet_mark_unused(x->x_opacket);
+  if ( x->x_packets ) freebytes( x->x_packets, x->x_nbinputs*sizeof(t_int) );
+  if ( x->x_widths ) freebytes( x->x_widths, x->x_nbinputs*sizeof(t_int) );
+  if ( x->x_heights ) freebytes( x->x_heights, x->x_nbinputs*sizeof(t_int) );
+  if ( x->x_sizes ) freebytes( x->x_sizes, x->x_nbinputs*sizeof(t_int) );
+  if ( x->x_xoffsets ) freebytes( x->x_xoffsets, x->x_nbinputs*sizeof(t_float) );
+  if ( x->x_yoffsets ) freebytes( x->x_yoffsets, x->x_nbinputs*sizeof(t_float) );
+}
+
+t_class *pdp_canvas_class;
+
+void *pdp_canvas_new(t_symbol *s, int argc, t_atom *argv)
+{
+  t_pdp_canvas *x = (t_pdp_canvas *)pd_new(pdp_canvas_class);
+  t_int ii;
+  char *imes[32];
+
+  if ( argc != 3 )
+  {
+    post( "pdp_canvas : wrong constructor : pdp_canvas <width> <height> <nb inputs> (argc=%d)", argc);
+    return NULL;
+  }
+  if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT ||
+       argv[2].a_type != A_FLOAT )
+  {
+    post( "pdp_canvas : wrong constructor : pdp_canvas <width> <height> <nb inputs>");
+    return NULL;
+  }
+
+  x->x_owidth = ( (int) argv[0].a_w.w_float / 8 ) * 8;  // round to a multiple of 8
+  x->x_oheight = ( (int) argv[1].a_w.w_float / 8 ) * 8; // round to a multiple of 8
+  x->x_osize = x->x_owidth*x->x_oheight;
+  x->x_nbinputs = (int) argv[2].a_w.w_float;
+
+  if ( x->x_owidth < 0 )
+  {
+    post( "pdp_canvas : wrong width : %d", x->x_owidth);
+    return NULL;
+  }
+  if ( x->x_oheight < 0 )
+  {
+    post( "pdp_canvas : wrong height : %d", x->x_oheight);
+    return NULL;
+  }
+  if ( x->x_nbinputs < 0 )
+  {
+    post( "pdp_canvas : wrong number of inputs : %d", x->x_nbinputs);
+    return NULL;
+  }
+  if ( x->x_nbinputs > MAX_CANVAS_INPUT )
+  {
+    post( "pdp_canvas : number of inputs is too high : %d : only %d supported", 
+          x->x_nbinputs, MAX_CANVAS_INPUT);
+    return NULL;
+  }
+
+  post ( "pdp_canvas : new %dx%d canvas with %d inputs", x->x_owidth, x->x_oheight, x->x_nbinputs );
+
+  x->x_packets = ( t_int* ) getbytes( x->x_nbinputs*sizeof(t_int) );
+  x->x_widths = ( t_int* ) getbytes( x->x_nbinputs*sizeof(t_int) );
+  x->x_heights = ( t_int* ) getbytes( x->x_nbinputs*sizeof(t_int) );
+  x->x_sizes = ( t_int* ) getbytes( x->x_nbinputs*sizeof(t_int) );
+  x->x_xoffsets = ( t_float* ) getbytes( x->x_nbinputs*sizeof(t_float) );
+  x->x_yoffsets = ( t_float* ) getbytes( x->x_nbinputs*sizeof(t_float) );
+
+  x->x_opacket = pdp_packet_new_image_YCrCb( x->x_owidth, x->x_oheight );
+
+  for ( ii=0; ii<x->x_nbinputs; ii++)
+  {
+    sprintf( (char*)imes, "pdp%d", ii );
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("pdp"), gensym((char*)imes) );
+    x->x_packets[ii] = -1;
+    x->x_xoffsets[ii] = 0.;
+    x->x_yoffsets[ii] = 0.;
+  }
+  x->x_current = -1;
+  x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); 
+
+  return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_canvas_setup(void)
+{
+ char *imes[32];
+
+  // post( pdp_canvas_version );
+  pdp_canvas_class = class_new(gensym("pdp_canvas"), (t_newmethod)pdp_canvas_new,
+    	(t_method)pdp_canvas_free, sizeof(t_pdp_canvas), 0, A_GIMME, A_NULL);
+  class_sethelpsymbol( pdp_canvas_class, gensym("pdp_canvas.pd") );
+
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_input0, gensym("pdp0"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_input1, gensym("pdp1"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_input2, gensym("pdp2"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_input3, gensym("pdp3"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_input4, gensym("pdp4"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_input5, gensym("pdp5"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_input6, gensym("pdp6"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_input7, gensym("pdp7"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_input8, gensym("pdp8"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_input9, gensym("pdp9"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_offset, gensym("offset"), A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_select, gensym("select"), A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_drag, gensym("drag"), A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+  class_addmethod(pdp_canvas_class, (t_method)pdp_canvas_unselect, gensym("unselect"), A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif