PiDiP 0.12.17

svn path=/trunk/externals/pidip/; revision=2273

1 files changed, 364 insertions, 0 deletions

diff --git a/modules/pdp_binary.c b/modules/pdp_binary.c
new file mode 100644
index 0000000..5ce943c
--- /dev/null
+++ b/modules/pdp_binary.c
@@ -0,0 +1,364 @@
+/*
+ *   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 image binarizer, based on some (y,u,v) setting
+ */
+
+#include "pdp.h"
+#include "yuv.h"
+#include <math.h>
+#include <stdio.h>
+
+static char   *pdp_binary_version = "pdp_binary: a image binarizer version 0.1 written by Yves Degoyon (ydegoyon@free.fr)";
+
+typedef struct pdp_binary_struct
+{
+    t_object x_obj;
+
+    t_int x_packet0;
+    t_int x_packet1;
+    t_int x_queue_id;
+    t_int x_dropped;
+
+    t_int x_vwidth;
+    t_int x_vheight;
+    t_int x_vsize;
+    t_int x_colorY; // YUV components of binary mask
+    t_int x_colorU;
+    t_int x_colorV;
+    t_int x_cursX; // X position of the cursor
+    t_int x_cursY; // Y position of the cursor
+    t_int x_tolerance; // tolerance 
+    short int *x_frame;  // keep a copy of current frame for picking color
+
+    t_outlet *x_pdp_output; // output packets
+    t_outlet *x_Y;  // output Y component of selected color
+    t_outlet *x_U;  // output U component of selected color
+    t_outlet *x_V;  // output V component of selected color
+
+} t_pdp_binary;
+
+static void pdp_binary_setcur(t_pdp_binary *x,  t_floatarg fpx, t_floatarg fpy  )
+{
+   if ( (fpx>=0.0) && (fpx<=1.0) && (fpy>=0.0) && (fpy<=1.0) )
+   {
+      x->x_cursX = fpx*(t_float)x->x_vwidth;
+      x->x_cursY = fpy*(t_float)x->x_vheight;
+   }
+}
+
+static void pdp_binary_y(t_pdp_binary *x, t_floatarg fy )
+{
+   if ( fy <= 255. )
+   {
+      x->x_colorY = (t_int)fy;
+      outlet_float( x->x_Y, x->x_colorY );
+   }
+}
+
+static void pdp_binary_u(t_pdp_binary *x, t_floatarg fu )
+{
+   if ( fu <= 255. )
+   {
+      x->x_colorU = (t_int)fu;
+      outlet_float( x->x_U, x->x_colorU );
+   }
+}
+
+static void pdp_binary_v(t_pdp_binary *x, t_floatarg fv )
+{
+   if ( fv < 255 )
+   {
+      x->x_colorV = (t_int)fv;
+      outlet_float( x->x_V, x->x_colorV );
+   }
+}
+
+static void pdp_binary_cursx(t_pdp_binary *x, t_floatarg fx )
+{
+   if ( ( fx >= 0 ) && ( fx < x->x_vwidth) )
+   {
+      x->x_cursX = (int)fx;
+   }
+}
+
+static void pdp_binary_cursy(t_pdp_binary *x, t_floatarg fy )
+{
+   if ( ( fy >= 0 ) && ( fy < x->x_vheight) )
+   {
+      x->x_cursY = (int)fy;
+   }
+}
+
+static void pdp_binary_tolerance(t_pdp_binary *x, t_floatarg ftolerance )
+{
+   if ( ftolerance >= 0 ) 
+   {
+      x->x_tolerance = (int)ftolerance;
+   }
+}
+
+static void pdp_binary_pick(t_pdp_binary *x)
+{
+   if ( x->x_frame && ( x->x_cursX > 0 ) && ( x->x_cursX < x->x_vwidth ) 
+        && ( x->x_cursY > 0 ) && ( x->x_cursY < x->x_vheight ) )
+   {
+      // post( "pdp_binary : picking up color : x=%d y=%d", x->x_cursX, x->x_cursY );
+      x->x_colorY = x->x_frame[ x->x_cursY*x->x_vwidth+x->x_cursX ];
+      x->x_colorV = x->x_frame[ x->x_vsize + (x->x_cursY>>1)*(x->x_vwidth>>1)+(x->x_cursX>>1) ];
+      x->x_colorU = x->x_frame[ x->x_vsize + (x->x_vsize>>2) + (x->x_cursY>>1)*(x->x_vwidth>>1)+(x->x_cursX>>1) ];
+      x->x_colorY = (x->x_colorY)>>7;
+      x->x_colorV = (x->x_colorV>>8)+128;
+      x->x_colorU = (x->x_colorU>>8)+128;
+      outlet_float( x->x_Y, x->x_colorY );
+      outlet_float( x->x_V, x->x_colorV );
+      outlet_float( x->x_U, x->x_colorU );
+   }
+}
+
+static void pdp_binary_allocate(t_pdp_binary *x)
+{
+    x->x_frame = (short int *) getbytes ( ( x->x_vsize + ( x->x_vsize>>1 ) ) << 1 );
+
+    if ( !x->x_frame )
+    {
+       post( "pdp_binary : severe error : cannot allocate buffer !!! ");
+       return;
+    }
+}
+
+static void pdp_binary_free_ressources(t_pdp_binary *x)
+{
+    if ( x->x_frame ) freebytes ( x->x_frame, ( x->x_vsize + ( x->x_vsize>>1 ) ) << 1 );
+}
+
+static void pdp_binary_process_yv12(t_pdp_binary *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=0, py=0; 
+    t_int     y=0, u=0, v=0;
+    short int *pfY, *pfU, *pfV;
+    t_int     diff;
+
+    /* allocate all ressources */
+    if ( ( (int)header->info.image.width != x->x_vwidth ) ||
+         ( (int)header->info.image.height != x->x_vheight ) )
+    {
+        pdp_binary_free_ressources( x ); 
+        x->x_vwidth = header->info.image.width;
+        x->x_vheight = header->info.image.height;
+        x->x_vsize = x->x_vwidth*x->x_vheight;
+        pdp_binary_allocate( x ); 
+        post( "pdp_binary : reallocated buffers" );
+    }
+
+    memcpy(x->x_frame, data, (x->x_vsize + (x->x_vsize>>1))<<1 );
+
+    // post( "pdp_binary : newheader:%x", newheader );
+
+    newheader->info.image.encoding = header->info.image.encoding;
+    newheader->info.image.width = x->x_vwidth;
+    newheader->info.image.height = x->x_vheight;
+
+    // binarize
+    pfY = data;
+    pfV = data+x->x_vsize;
+    pfU = data+x->x_vsize+(x->x_vsize>>2);
+    for ( py=0; py<x->x_vheight; py++ )
+    {
+      for ( px=0; px<x->x_vwidth; px++ )
+      {
+         y = (*pfY)>>7;
+         v = ((*pfV)>>8)+128;
+         u = ((*pfU)>>8)+128;
+
+         // post( "pdp_binary : y=%d, u=%d, v=%d", y, u, v );
+
+         diff = 0;
+         if ( x->x_colorY >= 0 )
+         {
+            diff += abs(y-x->x_colorY );
+         }
+         if ( x->x_colorV >= 0 )
+         {
+            diff += abs(v-x->x_colorV );
+         }
+         if ( x->x_colorU >=0 )
+         {
+            diff += abs(u-x->x_colorU );
+         }
+       
+         if ( diff <= x->x_tolerance )
+         {
+            *(newdata+(py*x->x_vwidth+px)) = 0xff<<7;
+         }
+         else
+         {
+            *(newdata+(py*x->x_vwidth+px)) = 0;
+         }
+            
+         pfY++;
+         if ( (px%2==0) && (py%2==0) )
+         {
+            pfU++;pfV++;
+         }
+       }
+    }
+
+    memset( newdata+x->x_vsize, 0x0, (x->x_vsize>>1)<<1 );
+
+    return;
+}
+
+static void pdp_binary_sendpacket(t_pdp_binary *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_pdp_output, &x->x_packet1);
+}
+
+static void pdp_binary_process(t_pdp_binary *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_binary_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_binary_process_yv12, pdp_binary_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_binary_process */
+	    break;
+	    
+	}
+    }
+
+}
+
+static void pdp_binary_input_0(t_pdp_binary *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))
+    {
+        pdp_binary_process(x);
+    }
+}
+
+static void pdp_binary_free(t_pdp_binary *x)
+{
+  int i;
+
+    pdp_packet_mark_unused(x->x_packet0);
+    pdp_binary_free_ressources( x );
+}
+
+t_class *pdp_binary_class;
+
+void *pdp_binary_new(void)
+{
+    int i;
+
+    t_pdp_binary *x = (t_pdp_binary *)pd_new(pdp_binary_class);
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("Y"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("U"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("V"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("cursx"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("cursy"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("tolerance"));
+
+    x->x_pdp_output = outlet_new(&x->x_obj, &s_anything); 
+    x->x_Y  = outlet_new(&x->x_obj, &s_float); 
+    x->x_U  = outlet_new(&x->x_obj, &s_float); 
+    x->x_V  = outlet_new(&x->x_obj, &s_float); 
+
+    x->x_colorY = 200;
+    x->x_colorU = -1;
+    x->x_colorV = -1;
+
+    x->x_packet0 = -1;
+    x->x_packet1 = -1;
+
+    x->x_cursX = -1;
+    x->x_cursY = -1;
+    x->x_tolerance = 55;
+
+    x->x_vwidth = -1;
+    x->x_vheight = -1;
+    x->x_vsize = -1;
+    x->x_frame = NULL;
+
+    return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_binary_setup(void)
+{
+    // post( pdp_binary_version );
+    pdp_binary_class = class_new(gensym("pdp_binary"), (t_newmethod)pdp_binary_new,
+    	(t_method)pdp_binary_free, sizeof(t_pdp_binary), 0, A_NULL);
+
+    class_addmethod(pdp_binary_class, (t_method)pdp_binary_input_0, gensym("pdp"),  A_SYMBOL, A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_binary_class, (t_method)pdp_binary_y, gensym("Y"),  A_FLOAT, A_NULL);
+    class_addmethod(pdp_binary_class, (t_method)pdp_binary_u, gensym("U"),  A_FLOAT, A_NULL);
+    class_addmethod(pdp_binary_class, (t_method)pdp_binary_v, gensym("V"),  A_FLOAT, A_NULL);
+    class_addmethod(pdp_binary_class, (t_method)pdp_binary_cursx, gensym("cursx"),  A_FLOAT, A_NULL);
+    class_addmethod(pdp_binary_class, (t_method)pdp_binary_cursy, gensym("cursy"),  A_FLOAT, A_NULL);
+    class_addmethod(pdp_binary_class, (t_method)pdp_binary_pick, gensym("pick"),  A_NULL);
+    class_addmethod(pdp_binary_class, (t_method)pdp_binary_tolerance, gensym("tolerance"), A_FLOAT, A_NULL);
+    class_addmethod(pdp_binary_class, (t_method)pdp_binary_setcur, gensym("setcur"), A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+    class_sethelpsymbol( pdp_binary_class, gensym("pdp_binary.pd") );
+}
+
+#ifdef __cplusplus
+}
+#endif