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-rw-r--r--modules/image_special/Makefile15
-rw-r--r--modules/image_special/README2
-rw-r--r--modules/image_special/pdp_array.c194
-rw-r--r--modules/image_special/pdp_chrot.c144
-rw-r--r--modules/image_special/pdp_cog.c243
-rw-r--r--modules/image_special/pdp_grey2mask.c195
-rw-r--r--modules/image_special/pdp_histo.c415
-rw-r--r--modules/image_special/pdp_scale.c277
-rw-r--r--modules/image_special/pdp_scan.c231
-rw-r--r--modules/image_special/pdp_scanxy.c207
-rw-r--r--modules/image_special/pdp_scope.c317
-rw-r--r--modules/image_special/pdp_slice_cut.c310
-rw-r--r--modules/image_special/pdp_slice_glue.c215
13 files changed, 2765 insertions, 0 deletions
diff --git a/modules/image_special/Makefile b/modules/image_special/Makefile
new file mode 100644
index 0000000..7c0f59d
--- /dev/null
+++ b/modules/image_special/Makefile
@@ -0,0 +1,15 @@
+current: all_modules
+
+include ../../Makefile.config
+
+PDP_MOD = pdp_chrot.o pdp_grey2mask.o pdp_scale.o pdp_scan.o \
+ pdp_scanxy.o pdp_scope.o pdp_slice_cut.o pdp_slice_glue.o \
+ pdp_cog.o pdp_histo.o pdp_array.o
+
+# build special case image (and sound) processing modules
+all_modules: $(PDP_MOD)
+
+clean:
+ rm -f *~
+ rm -f *.o
+
diff --git a/modules/image_special/README b/modules/image_special/README
new file mode 100644
index 0000000..208710f
--- /dev/null
+++ b/modules/image_special/README
@@ -0,0 +1,2 @@
+This directory contains image processors that don't fit into the basic and io categories.
+
diff --git a/modules/image_special/pdp_array.c b/modules/image_special/pdp_array.c
new file mode 100644
index 0000000..41ea0d5
--- /dev/null
+++ b/modules/image_special/pdp_array.c
@@ -0,0 +1,194 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) 2003 by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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.
+ *
+ */
+
+
+#include <math.h>
+
+#include "pdp.h"
+#include "pdp_base.h"
+
+
+typedef struct _pdp_array
+{
+ t_object x_obj;
+ t_symbol *x_array_sym;
+ t_outlet *x_outlet; // for array->pdp
+ t_int x_rows;
+
+ /* the packet */
+ int x_packet0;
+
+} t_pdp_array;
+
+
+static void pdp_array_bang(t_pdp_array *x)
+{
+ post("not implemented");
+}
+
+
+static void pdp_array_input_0(t_pdp_array *x, t_symbol *s, t_floatarg f)
+{
+ int packet = (int)f;
+
+
+ /* register */
+ if (s == gensym("register_ro")){
+ /* replace if not compatible or we are not interpolating */
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = pdp_packet_convert_ro(packet, pdp_gensym("image/grey/*"));
+ }
+
+ /* process */
+ if (s == gensym("process")){
+ float *vec;
+ int nbpoints;
+ t_garray *a;
+ t_pdp *header = pdp_packet_header(x->x_packet0);
+ short int *data = pdp_packet_data(x->x_packet0);
+ if (!header || !data) return;
+
+ /* dump to array if possible */
+ if (!x->x_array_sym){
+ }
+
+ /* check if array is valid */
+ else if (!(a = (t_garray *)pd_findbyclass(x->x_array_sym, garray_class))){
+ post("pdp_array: %s: no such array", x->x_array_sym->s_name);
+ }
+ /* get data */
+ else if (!garray_getfloatarray(a, &nbpoints, &vec)){
+ post("pdp_array: %s: bad template", x->x_array_sym->s_name);
+ }
+ /* scale and dump in array */
+ else{
+ int i;
+ int w = header->info.image.width;
+ int h = header->info.image.height;
+ int N = w*h;
+ N = (nbpoints < N) ? nbpoints : N;
+
+ /* scan rows */
+ if (x->x_rows){
+ for (i=0; i<N; i++)
+ vec[i] = (float)data[i] * (1.0f / (float)0x8000);
+ }
+ /* scan columns */
+ else{
+ for (i=0; i<N; i++) {
+ int x = i / h;
+ int y = i % h;
+ vec[i] = (float)data[x+(h-y-1)*w] * (1.0f / (float)0x8000);
+ }
+ }
+ //garray_redraw(a);
+ }
+
+ }
+}
+
+static void pdp_array_array(t_pdp_array *x, t_symbol *s)
+{
+ //post("setting symbol %x", s);
+ x->x_array_sym = s;
+ x->x_packet0 = -1;
+}
+
+
+static void pdp_array_free(t_pdp_array *x)
+{
+ pdp_packet_mark_unused(x->x_packet0);
+}
+
+
+t_class *pdp_array2grey_class;
+t_class *pdp_grey2array_class;
+
+
+
+void *pdp_array2grey_new(t_symbol *s, t_symbol *r)
+{
+ t_pdp_array *x = (t_pdp_array *)pd_new(pdp_array2grey_class);
+ pdp_array_array(x, s);
+ return (void *)x;
+}
+
+void *pdp_grey2array_new(t_symbol *s, t_symbol *r)
+{
+ t_pdp_array *x = (t_pdp_array *)pd_new(pdp_grey2array_class);
+ pdp_array_array(x, s);
+ if (r == gensym("rows")){
+ x->x_rows = 1;
+ post("pdp_grey2array: scanning rows");
+ }
+ else {
+ x->x_rows = 0;
+ post("pdp_grey2array: scanning columns");
+ }
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_array_setup(void)
+{
+
+ pdp_array2grey_class = class_new(gensym("pdp_array2grey"),
+ (t_newmethod)pdp_array2grey_new,
+ (t_method)pdp_array_free,
+ sizeof(t_pdp_array),
+ 0, A_DEFSYMBOL, A_DEFSYMBOL, A_NULL);
+
+ pdp_grey2array_class = class_new(gensym("pdp_grey2array"),
+ (t_newmethod)pdp_grey2array_new,
+ (t_method)pdp_array_free,
+ sizeof(t_pdp_array),
+ 0, A_DEFSYMBOL, A_DEFSYMBOL, A_NULL);
+
+
+ /* packet input */
+ class_addmethod(pdp_grey2array_class,
+ (t_method)pdp_array_input_0,
+ gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+ /* bang method */
+ class_addmethod(pdp_array2grey_class,
+ (t_method)pdp_array_bang, gensym("bang"), A_NULL);
+
+
+ /* bookkeeping */
+ class_addmethod(pdp_array2grey_class, (t_method)pdp_array_array,
+ gensym("array"), A_SYMBOL, A_NULL);
+ class_addmethod(pdp_grey2array_class, (t_method)pdp_array_array,
+ gensym("array"), A_SYMBOL, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+
+
diff --git a/modules/image_special/pdp_chrot.c b/modules/image_special/pdp_chrot.c
new file mode 100644
index 0000000..27993c6
--- /dev/null
+++ b/modules/image_special/pdp_chrot.c
@@ -0,0 +1,144 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_base.h"
+#include <math.h>
+
+
+typedef struct pdp_chrot_struct
+{
+ t_pdp_base x_base;
+
+ float x_matrix[4];
+ void *x_crot2d;
+
+} t_pdp_chrot;
+
+
+
+static void pdp_chrot_process(t_pdp_chrot *x)
+{
+ int packet;
+ t_pdp *header;
+ void *data;
+ unsigned int w,h,size,v_offset;
+ short int *idata;
+
+
+ /* get packet & info */
+ packet = pdp_base_get_packet(x, 0);
+ header = pdp_packet_header(packet);
+ data = pdp_packet_data (packet);
+
+ /* only process if we have a vlid yv12 image */
+ if ((header) && (PDP_IMAGE == header->type) && (PDP_IMAGE_YV12 == header->info.image.encoding)){
+
+ w = header->info.image.width;
+ h = header->info.image.height;
+
+ size = w*h;
+ v_offset = size;
+
+ idata = (short int *)data;
+
+
+ /* color rotation for 2 colour planes */
+ pdp_imageproc_crot2d_process(x->x_crot2d, idata + v_offset, w>>1, h>>1);
+
+ }
+ return;
+}
+
+
+static void pdp_chrot_setelement(t_pdp_chrot *x, int element, float f)
+{
+ x->x_matrix[element] = f;
+
+}
+
+static void pdp_chrot_angle_radians(t_pdp_chrot *x, t_floatarg angle)
+{
+ float c = cos(angle);
+ float s = sin(angle);
+
+ pdp_chrot_setelement(x, 0, c);
+ pdp_chrot_setelement(x, 1, s);
+ pdp_chrot_setelement(x, 2, -s);
+ pdp_chrot_setelement(x, 3, c);
+
+ pdp_imageproc_crot2d_setmatrix(x->x_crot2d, x->x_matrix);
+}
+
+static void pdp_chrot_angle_degrees(t_pdp_chrot *x, t_floatarg angle)
+{
+ pdp_chrot_angle_radians(x, (angle * (M_PI / 180.f)));
+
+}
+
+static void pdp_chrot_free(t_pdp_chrot *x)
+{
+ pdp_base_free(x);
+ pdp_imageproc_crot2d_delete(x->x_crot2d);
+}
+
+t_class *pdp_chrot_class;
+
+
+
+void *pdp_chrot_new(t_floatarg f)
+{
+ t_pdp_chrot *x = (t_pdp_chrot *)pd_new(pdp_chrot_class);
+
+ pdp_base_init(x);
+ pdp_base_add_gen_inlet(x, gensym("float"), gensym("angle"));
+ pdp_base_add_pdp_outlet(x);
+ pdp_base_set_process_method(x, (t_pdp_method)pdp_chrot_process);
+
+ x->x_crot2d = pdp_imageproc_crot2d_new();
+ pdp_chrot_angle_radians(x, 0.0f);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_chrot_setup(void)
+{
+
+
+ pdp_chrot_class = class_new(gensym("pdp_chrot"), (t_newmethod)pdp_chrot_new,
+ (t_method)pdp_chrot_free, sizeof(t_pdp_chrot), 0, A_DEFFLOAT, A_NULL);
+
+ pdp_base_setup(pdp_chrot_class);
+ class_addmethod(pdp_chrot_class, (t_method)pdp_chrot_angle_degrees, gensym("angle"), A_DEFFLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/image_special/pdp_cog.c b/modules/image_special/pdp_cog.c
new file mode 100644
index 0000000..c1ea1bf
--- /dev/null
+++ b/modules/image_special/pdp_cog.c
@@ -0,0 +1,243 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) 2003 by Johannes Taelman <johannes.taelman@rug.ac.be>
+ * API updates by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_base.h"
+#include <math.h>
+
+typedef struct pdp_cog_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+ t_outlet *x_outlet1;
+ t_outlet *x_outlet2;
+ t_outlet *x_outlet3;
+ t_outlet *x_outlet4;
+
+ int x_packet0;
+ int x_threshold;
+ int x_do_thresholding;
+} t_pdp_cog;
+
+
+static void _pdp_cog_perform(t_pdp_cog *x, int width, int height, short int *data0)
+{
+ short int *pp;
+ int nbpixels;
+
+ int y;
+ int h,v;
+
+ int rowsums[width];
+ int columnsums[height];
+
+ float vsum,vvar,vcog,vstd;
+ float hsum,hvar,hcog,hstd;
+
+
+ pp=data0;
+
+ nbpixels=width*height;
+
+ for (h=0;h<width;h++)
+ columnsums[h]=0;
+
+ /* create column & row sums from thresholded data */
+ if (x->x_do_thresholding){
+ for (v=0;v<height;v++){
+ int rs=0;
+ for (h=0;h<width;h++){
+ int d=*pp++;
+
+ d=(d>x->x_threshold) ? d : ((d<-x->x_threshold)?(-d):0);
+ columnsums[h]+= d;
+ rs+=d;
+ }
+ rowsums[v]=rs;
+ }
+ }
+
+ /* don't perform thresholding */
+ else{
+ for (v=0;v<height;v++){
+ int rs=0;
+ for (h=0;h<width;h++){
+ int d=*pp++;
+ columnsums[h]+= d;
+ rs+=d;
+ }
+ rowsums[v]=rs;
+ }
+ }
+
+
+ /* compute vertical mean and standard dev */
+ vsum=1;
+ vvar=height*height/4;
+ vcog=height/2;
+ for (v=0;v<height;v++){
+ float d=rowsums[v];
+ vsum+=d;
+ vcog+=d*v;
+ }
+ vcog/=vsum;
+ for (v=0;v<height;v++){
+ float d=rowsums[v];
+ float f=v-vcog;
+ vvar+=d*f*f;
+ }
+ vstd=sqrt(vvar/vsum)/height;
+
+ /* compute horizontal meaan and standard dev */
+ hsum=1;
+ hvar=width*width/4;
+ hcog=width/2;
+ for (h=0;h<width;h++){
+ float d=columnsums[h];
+ hsum+=d;
+ hcog+=d*h;
+ }
+ hcog/=hsum;
+ for (h=0;h<width;h++){
+ float d=columnsums[h];
+ float f=h-hcog;
+ hvar+=d*f*f;
+ }
+ hstd=sqrt(hvar/hsum)/width;
+
+ /* pass it on */
+ outlet_float(x->x_outlet4,vstd);
+ outlet_float(x->x_outlet3,hstd);
+ outlet_float(x->x_outlet2,vcog/height);
+ outlet_float(x->x_outlet1,hcog/width);
+ outlet_float(x->x_outlet0,(1.0f / (float)(0x7fff)) * hsum/(height*width));
+}
+
+
+// packet is an image/*/* packet or invalid */
+static void pdp_cog_perform(t_pdp_cog *x)
+{
+ t_pdp *header0 = pdp_packet_header(x->x_packet0);
+ void *data0 = pdp_packet_data(x->x_packet0);
+ if (!header0 || !data0) return;
+
+ _pdp_cog_perform(x,
+ header0->info.image.width,
+ header0->info.image.height,
+ data0);
+}
+
+
+
+static void pdp_cog_input_0(t_pdp_cog *x, t_symbol *s, t_floatarg f)
+{
+ int packet = (int)f;
+
+ /* register */
+ if (s == gensym("register_ro")){
+ /* replace if not compatible or we are not interpolating */
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = pdp_packet_convert_ro(packet, pdp_gensym("image/*/*"));
+
+ }
+
+ if (s == gensym("process")){
+ pdp_cog_perform(x);
+ }
+
+}
+
+
+static void pdp_cog_threshold(t_pdp_cog *x, t_floatarg f)
+{
+ x->x_threshold=(int) (f * ((float) 0x7fff));
+}
+
+
+
+static void pdp_cog_free(t_pdp_cog *x)
+{
+ pdp_packet_mark_unused(x->x_packet0);
+}
+
+
+t_class *pdp_cog_class;
+
+
+
+void *pdp_cog_new(void)
+{
+
+ t_pdp_cog *x = (t_pdp_cog *)pd_new(pdp_cog_class);
+
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_float);
+ x->x_outlet1 = outlet_new(&x->x_obj, &s_float);
+ x->x_outlet2 = outlet_new(&x->x_obj, &s_float);
+ x->x_outlet3 = outlet_new(&x->x_obj, &s_float);
+ x->x_outlet4 = outlet_new(&x->x_obj, &s_float);
+
+ x->x_packet0 = -1;
+ x->x_do_thresholding = 0;
+
+ return (void *)x;
+}
+
+void *pdp_cog_abs_thresh_new(t_floatarg f)
+{
+ t_pdp_cog *x = (t_pdp_cog *)pdp_cog_new();
+ inlet_new((void *)x, &x->x_obj.ob_pd, gensym("float"),gensym("threshold"));
+ pdp_cog_threshold(x, f);
+ x->x_do_thresholding = 1;
+ return (void *)x;
+}
+
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_cog_setup(void)
+{
+
+ pdp_cog_class = class_new(gensym("pdp_cog"), (t_newmethod)pdp_cog_new,
+ (t_method)pdp_cog_free, sizeof(t_pdp_cog), 0,A_NULL);
+
+ class_addcreator((t_newmethod)pdp_cog_abs_thresh_new, gensym("pdp_cog_abs_thresh"), A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_cog_class, (t_method)pdp_cog_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_cog_class, (t_method)pdp_cog_threshold, gensym("threshold"),A_DEFFLOAT, A_NULL);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+
+
diff --git a/modules/image_special/pdp_grey2mask.c b/modules/image_special/pdp_grey2mask.c
new file mode 100644
index 0000000..4f10772
--- /dev/null
+++ b/modules/image_special/pdp_grey2mask.c
@@ -0,0 +1,195 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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 module converts a greyscale image or the luma channel of a colour image
+ to a colour image intensity mask, usable for multiplication */
+
+#include "pdp.h"
+#include "pdp_resample.h"
+
+typedef struct pdp_grey2mask_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+
+ int x_packet0;
+ int x_dropped;
+ int x_queue_id;
+
+
+} t_pdp_grey2mask;
+
+
+
+static void pdp_grey2mask_process_grey(t_pdp_grey2mask *x)
+{
+ t_pdp *header = pdp_packet_header(x->x_packet0);
+ short int *data = (short int *)pdp_packet_data (x->x_packet0);
+ t_pdp *newheader = 0;
+ short int *newdata = 0;
+ int newpacket = -1;
+
+ unsigned int w = header->info.image.width;
+ unsigned int h = header->info.image.height;
+
+ unsigned int size = w*h;
+ unsigned int totalnbpixels = size;
+ unsigned int u_offset = size;
+ unsigned int v_offset = size + (size>>2);
+
+ unsigned int row, col;
+
+ newpacket = pdp_packet_new_image_YCrCb(w, h);
+ newheader = pdp_packet_header(newpacket);
+ newdata = (short int *)pdp_packet_data(newpacket);
+
+ /* copy luma channel */
+ memcpy(newdata, data, size * sizeof(s16));
+
+ /* subsample luma -> chroma channel */
+ pdp_resample_halve(data, newdata+u_offset, w, h);
+
+ /* copy this to the other chroma channel */
+ memcpy(newdata+v_offset, newdata+u_offset, (size>>2)*sizeof(s16));
+
+ /* delete source packet and replace with new packet */
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = newpacket;
+ return;
+}
+
+static void pdp_grey2mask_process_yv12(t_pdp_grey2mask *x)
+{
+ /* process only the luminance channel */
+ pdp_grey2mask_process_grey(x);
+}
+
+
+
+static void pdp_grey2mask_process(t_pdp_grey2mask *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_grey2mask_process inputs and write into active inlet */
+ switch(pdp_packet_header(x->x_packet0)->info.image.encoding){
+
+ case PDP_IMAGE_YV12:
+ pdp_grey2mask_process_yv12(x);
+ break;
+
+ case PDP_IMAGE_GREY:
+ pdp_grey2mask_process_grey(x);
+ break;
+
+ default:
+ /* don't know the type, so dont pdp_grey2mask_process */
+
+ break;
+ }
+ }
+}
+
+static void pdp_grey2mask_sendpacket(t_pdp_grey2mask *x)
+{
+ /* unregister and propagate if valid packet */
+ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet0);
+}
+
+static void pdp_grey2mask_input_0(t_pdp_grey2mask *x, t_symbol *s, t_floatarg f)
+{
+
+ int p = (int)f;
+
+ if (s== gensym("register_ro")) x->x_dropped = pdp_packet_copy_ro_or_drop(&x->x_packet0, p);
+
+
+ if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)){
+
+
+ /* add the process method and callback to the process queue */
+
+ //pdp_queue_add(x, pdp_grey2mask_process, pdp_grey2mask_sendpacket, &x->x_queue_id);
+ // since the process method creates a packet, this is not processed in the thread
+ // $$$TODO: fix this
+ pdp_grey2mask_process(x);
+ pdp_grey2mask_sendpacket(x);
+ }
+
+}
+
+
+
+static void pdp_grey2mask_free(t_pdp_grey2mask *x)
+{
+ t_pdp_procqueue *q = pdp_queue_get_queue();
+ pdp_procqueue_finish(q, x->x_queue_id);
+ pdp_packet_mark_unused(x->x_packet0);
+
+}
+
+t_class *pdp_grey2mask_class;
+
+
+
+void *pdp_grey2mask_new(void)
+{
+ int i;
+
+ t_pdp_grey2mask *x = (t_pdp_grey2mask *)pd_new(pdp_grey2mask_class);
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+ x->x_packet0 = -1;
+ x->x_queue_id = -1;
+
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_grey2mask_setup(void)
+{
+
+
+ pdp_grey2mask_class = class_new(gensym("pdp_grey2mask"), (t_newmethod)pdp_grey2mask_new,
+ (t_method)pdp_grey2mask_free, sizeof(t_pdp_grey2mask), 0, A_NULL);
+
+
+ class_addmethod(pdp_grey2mask_class, (t_method)pdp_grey2mask_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/image_special/pdp_histo.c b/modules/image_special/pdp_histo.c
new file mode 100644
index 0000000..43cdb8c
--- /dev/null
+++ b/modules/image_special/pdp_histo.c
@@ -0,0 +1,415 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) 2003 by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_base.h"
+#include <math.h>
+
+struct _pdp_histo;
+typedef void (*t_histo_proc)(struct _pdp_histo *);
+
+
+typedef struct _pdp_histo
+{
+ t_object x_obj;
+ t_int x_logN;
+ t_symbol *x_array_sym;
+ t_float x_scale;
+ t_int x_debug;
+ t_int x_sample_size; /* pointcloud size */
+ t_histo_proc x_process_method; /* what to do with the histogram */
+ t_outlet *x_outlet0;
+ int x_matrix_output;
+
+ /* the packet */
+ int x_packet0;
+
+ /* packet data */
+ short int *x_data;
+ int x_width;
+ int x_height;
+ int x_nb_pixels;
+
+ /* histo data for processor: these are stored on the stack */
+ int *x_histo;
+
+} t_pdp_histo;
+
+
+static int round_up_2log(int i)
+{
+ int l = 0;
+ i--;
+ while (i) {
+ i >>= 1;
+ l++;
+ }
+ //post("log is %d, 2^n is %d", l, 1 << l);
+
+ l = (l < 16) ? l : 15;
+ return l;
+}
+
+
+static void dump_to_array(t_pdp_histo *x)
+{
+ float *vec;
+ int nbpoints;
+ t_garray *a;
+ int i;
+ int *histo = x->x_histo;
+ int N = 1 << (x->x_logN);
+ float scale = 1.0f / (float)(x->x_nb_pixels);
+
+
+ /* dump to array if possible */
+ if (!x->x_array_sym){
+ }
+
+ /* check if array is valid */
+ else if (!(a = (t_garray *)pd_findbyclass(x->x_array_sym, garray_class))){
+ post("pdp_histo: %s: no such array", x->x_array_sym->s_name);
+ }
+ /* get data */
+ else if (!garray_getfloatarray(a, &nbpoints, &vec)){
+ post("pdp_histo: %s: bad template", x->x_array_sym->s_name);
+ }
+ /* scale and dump in array */
+ else{
+
+ N = (nbpoints < N) ? nbpoints : N;
+ for (i=0; i<N; i++) vec[i] = (float)(histo[i]) * scale * x->x_scale;
+ //garray_redraw(a);
+ }
+
+}
+
+static void get_sampleset(t_pdp_histo *x, int log_tmp_size, int threshold)
+{
+ int N = 1 << log_tmp_size;
+ int mask = N-1;
+ int index, nbpoints, i;
+ t_atom a[2];
+ double scalex = 1.0f / (double)(x->x_width);
+ double scaley = 1.0f / (double)(x->x_height);
+ t_symbol *s = gensym("list");
+ int matrix_packet;
+ double *mat_data;
+
+ /* store the offsets of the points in a in an oversized array
+ the oversizing is to eliminate a division and to limit the
+ searching for a free location after a random index is generated */
+
+ int offset[N];
+
+ /* reset the array */
+ memset(offset, -1, N * sizeof(int));
+
+ /* get the coordinates of the tempsize brightest points
+ and store them in a random location in the hash */
+ for (i=0; i<x->x_nb_pixels; i++){
+ if (x->x_data[i] >= threshold){
+ /* get a random index */
+ int ri = random();
+ //int ri = 0;
+ /* find an empty spot to store it */
+ while (-1 != offset[ri & mask]) ri++;
+ offset[ri & mask] = i;
+ }
+ }
+
+
+ /* repack the array to get the requested
+ sample size at the start */
+ index = 0;
+ nbpoints = 0;
+ while (nbpoints < x->x_sample_size){
+ while (-1 == offset[index]) index++; // ffwd to next nonepty slot
+ offset[nbpoints++] = offset[index++]; // move slot
+ }
+
+
+ /* MATRIX OUTPUT */
+ if (x->x_matrix_output){
+
+ matrix_packet = pdp_packet_new_matrix(x->x_sample_size, 2, PDP_MATRIX_TYPE_RDOUBLE);
+ mat_data = pdp_packet_data(matrix_packet);
+ if (mat_data){
+
+ /* build the cluster data struct */
+ for (i=0; i<x->x_sample_size; i++){
+ mat_data[2*i] = ((double)(offset[i] % x->x_width)) * scalex;
+ mat_data[2*i+1] = ((double)(offset[i] / x->x_width)) * scaley;
+ }
+
+ pdp_pass_if_valid(x->x_outlet0, &matrix_packet);
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = -1;
+ }
+
+ }
+
+ /* IMAGE OUTPUT */
+ else {
+
+ /* get rw copy */
+ pdp_packet_replace_with_writable(&x->x_packet0);
+ x->x_data = pdp_packet_data(x->x_packet0);
+
+ /* mark output packet samples */
+ if (x->x_data){
+ memset(x->x_data, 0, 2*x->x_nb_pixels);
+ for (i=0; i<x->x_sample_size; i++){
+ x->x_data[offset[i]] = 0x7fff;
+ }
+ }
+
+ /* send packet to left outlet */
+ pdp_pass_if_valid(x->x_outlet0, &x->x_packet0);
+ }
+
+
+}
+
+static void get_brightest(t_pdp_histo *x)
+{
+ int i;
+ int *histo = x->x_histo;
+ int N = 1 << (x->x_logN);
+
+ int index, nsamps;
+
+ /* check requested size */
+ if (x->x_sample_size > x->x_nb_pixels){
+ post("WARNING: more samples requested than pixels in image");
+ x->x_sample_size = x->x_nb_pixels;
+ }
+
+
+ /* find limiting index */
+ index = N;
+ nsamps = 0;
+ while (nsamps < x->x_sample_size){
+ index--;
+ nsamps += histo[index];
+ }
+
+ /* status report */
+ if (x->x_debug){
+ post("found %d samples between h[%d] and h[%d]", nsamps, index, N-1);
+ }
+
+ /* get a representative set from the candidates
+ the tempbuf is the rounded log of the nb of samples + 1
+ so it is at least 50% sparse */
+ get_sampleset(x, round_up_2log(nsamps) + 1, index << (15-x->x_logN));
+
+}
+
+
+static void _pdp_histo_perform(t_pdp_histo *x)
+{
+ short int *pp;
+ int N = 1 << x->x_logN;
+ int nbpixels = x->x_width * x->x_height, i;
+
+ int histo[N];
+
+ /* init */
+ for (i=0; i<N; i++) histo[i] = 0;
+
+ /* build histo */
+ for (i=0; i<nbpixels; i++){
+ int index = x->x_data[i] >> (15 - x->x_logN);
+ if (index < 0) index = 0; /* negative -> zero */
+ histo[index]++;
+ }
+
+ /* save the histo stack location */
+ x->x_histo = histo;
+
+ /* print it */
+ if (x->x_debug){
+ post("histogram:");
+ for (i=0; i<N; i++){
+ fprintf(stderr, "%d\t", histo[i]);
+ if (!(i % 10)) post("");
+ }
+ post("");
+ }
+
+ /* call the processor */
+ x->x_process_method(x);
+
+
+}
+
+
+// packet is an image/*/* packet or invalid */
+static void pdp_histo_perform(t_pdp_histo *x)
+{
+ t_pdp *header0 = pdp_packet_header(x->x_packet0);
+ void *data0 = pdp_packet_data(x->x_packet0);
+ if (!header0 || !data0) return;
+
+ x->x_width = header0->info.image.width;
+ x->x_height = header0->info.image.height;
+ x->x_nb_pixels = x->x_width * x->x_height;
+ x->x_data = data0;
+
+ _pdp_histo_perform(x);
+}
+
+
+
+static void pdp_histo_input_0(t_pdp_histo *x, t_symbol *s, t_floatarg f)
+{
+ int packet = (int)f;
+
+ /* register */
+ if (s == gensym("register_rw")){
+ /* replace if not compatible or we are not interpolating */
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = pdp_packet_convert_ro(packet, pdp_gensym("image/grey/*"));
+
+ }
+
+ if (s == gensym("process")){
+ pdp_histo_perform(x);
+ }
+
+}
+
+
+
+static void pdp_histo_samplesize(t_pdp_histo *x, t_floatarg f)
+{
+ int i = (int)f;
+ if (i > 0) x->x_sample_size = i;
+}
+
+
+static void pdp_histo_scale(t_pdp_histo *x, t_floatarg f){x->x_scale = f;}
+
+
+
+static void pdp_histo_size(t_pdp_histo *x, t_floatarg f)
+{
+ int i = (int)f;
+ if (i < 1) return;
+ x->x_logN = round_up_2log(i);
+}
+
+
+static void pdp_histo_array(t_pdp_histo *x, t_symbol *s)
+{
+ //post("setting symbol %x", s);
+ x->x_array_sym = s;
+}
+
+
+static void pdp_histo_free(t_pdp_histo *x)
+{
+ pdp_packet_mark_unused(x->x_packet0);
+}
+
+
+t_class *pdp_histo_class;
+
+
+
+void *pdp_histo_new(t_floatarg f)
+{
+
+ t_pdp_histo *x = (t_pdp_histo *)pd_new(pdp_histo_class);
+ if (f == 0.0f) f = 64;
+ pdp_histo_size(x, f);
+ x->x_packet0 = -1;
+ x->x_debug = 0;
+ x->x_sample_size = 16;
+ return (void *)x;
+}
+
+
+void *pdp_histo_array_new(t_symbol *s, t_float f, t_float f2)
+{
+ t_pdp_histo *x = (t_pdp_histo *)pdp_histo_new(f);
+ if (f2 == 0.0f) f2 = 1.0f;
+ pdp_histo_scale(x, f2);
+ pdp_histo_array(x, s);
+ x->x_process_method = dump_to_array;
+ return (void *)x;
+}
+
+void *pdp_histo_sample_new(t_float nbsamples, t_float histosize)
+{
+ t_pdp_histo *x;
+ if (histosize == 0.0f) histosize = 256.0f;
+ x = (t_pdp_histo *)pdp_histo_new(histosize);
+ if (nbsamples == 0.0f) nbsamples = 16.0f;
+ pdp_histo_samplesize(x, nbsamples);
+ x->x_process_method = get_brightest;
+ x->x_outlet0 = outlet_new(&x->x_obj, gensym("anything"));
+ x->x_matrix_output = 0;
+
+ inlet_new((t_object *)x, (t_pd *)&x->x_obj, gensym("float"), gensym("nbpoints"));
+
+ return (void *)x;
+}
+
+void *pdp_histo_sample_matrix_new(t_float nbsamples, t_float histosize)
+{
+ t_pdp_histo *x = pdp_histo_sample_new(nbsamples, histosize);
+ if (x) x->x_matrix_output = 1;
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_histo_setup(void)
+{
+
+ pdp_histo_class = class_new(gensym("pdp_histo"), (t_newmethod)pdp_histo_array_new,
+ (t_method)pdp_histo_free, sizeof(t_pdp_histo), 0, A_DEFSYMBOL, A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+
+ class_addcreator((t_newmethod)pdp_histo_sample_new, gensym("pdp_pointcloud"), A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+ class_addcreator((t_newmethod)pdp_histo_sample_matrix_new, gensym("pdp_pointcloud_matrix"), A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_histo_class, (t_method)pdp_histo_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_histo_class, (t_method)pdp_histo_size, gensym("size"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_histo_class, (t_method)pdp_histo_size, gensym("scale"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_histo_class, (t_method)pdp_histo_array, gensym("array"), A_SYMBOL, A_NULL);
+ class_addmethod(pdp_histo_class, (t_method)pdp_histo_samplesize, gensym("nbpoints"), A_FLOAT, A_NULL);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+
+
diff --git a/modules/image_special/pdp_scale.c b/modules/image_special/pdp_scale.c
new file mode 100644
index 0000000..3c74bd8
--- /dev/null
+++ b/modules/image_special/pdp_scale.c
@@ -0,0 +1,277 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_resample.h"
+
+
+
+typedef struct pdp_scale_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+
+
+ int x_packet0;
+ int x_packet1;
+ int x_dropped;
+ int x_queue_id;
+
+ unsigned int x_width;
+ unsigned int x_height;
+ int x_quality;
+
+
+} t_pdp_scale;
+
+
+static void pdp_scale_process_yv12(t_pdp_scale *x)
+{
+ t_pdp *header0 = pdp_packet_header(x->x_packet0);
+ t_pdp *header1 = pdp_packet_header(x->x_packet1);
+ void *data0 = pdp_packet_data (x->x_packet0);
+ void *data1 = pdp_packet_data (x->x_packet1);
+
+ unsigned int src_w = header0->info.image.width;
+ unsigned int src_h = header0->info.image.height;
+
+ unsigned int dst_w = header1->info.image.width;
+ unsigned int dst_h = header1->info.image.height;
+
+ short int *src_image = (short int *)data0;
+ short int *dst_image = (short int *)data1;
+
+ unsigned int src_size = src_w*src_h;
+ unsigned int src_voffset = src_size;
+ unsigned int src_uoffset = src_size + (src_size>>2);
+
+ unsigned int dst_size = dst_w*dst_h;
+ unsigned int dst_voffset = dst_size;
+ unsigned int dst_uoffset = dst_size + (dst_size>>2);
+
+ if (x->x_quality){
+ pdp_resample_scale_bilin(src_image, dst_image, src_w, src_h, dst_w, dst_h);
+ pdp_resample_scale_bilin(src_image+src_voffset, dst_image+dst_voffset, src_w>>1, src_h>>1, dst_w>>1, dst_h>>1);
+ pdp_resample_scale_bilin(src_image+src_uoffset, dst_image+dst_uoffset, src_w>>1, src_h>>1, dst_w>>1, dst_h>>1);
+ }
+ else{
+ pdp_resample_scale_nn(src_image, dst_image, src_w, src_h, dst_w, dst_h);
+ pdp_resample_scale_nn(src_image+src_voffset, dst_image+dst_voffset, src_w>>1, src_h>>1, dst_w>>1, dst_h>>1);
+ pdp_resample_scale_nn(src_image+src_uoffset, dst_image+dst_uoffset, src_w>>1, src_h>>1, dst_w>>1, dst_h>>1);
+ }
+
+ return;
+}
+
+static void pdp_scale_process_grey(t_pdp_scale *x)
+{
+
+ t_pdp *header0 = pdp_packet_header(x->x_packet0);
+ t_pdp *header1 = pdp_packet_header(x->x_packet1);
+ void *data0 = pdp_packet_data (x->x_packet0);
+ void *data1 = pdp_packet_data (x->x_packet1);
+
+ unsigned int src_w = header0->info.image.width;
+ unsigned int src_h = header0->info.image.height;
+
+ unsigned int dst_w = header1->info.image.width;
+ unsigned int dst_h = header1->info.image.height;
+
+ short int *src_image = (short int *)data0;
+ short int *dst_image = (short int *)data1;
+
+ if (x->x_quality) pdp_resample_scale_bilin(src_image, dst_image, src_w, src_h, dst_w, dst_h);
+ else pdp_resample_scale_nn(src_image, dst_image, src_w, src_h, dst_w, dst_h);
+
+ return;
+
+
+}
+
+static void pdp_scale_sendpacket(t_pdp_scale *x)
+{
+ /* delete source 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_scale_process(t_pdp_scale *x)
+{
+ t_pdp_procqueue *q = pdp_queue_get_queue();
+ t_pdp *header0 = pdp_packet_header(x->x_packet0);
+
+ /* check data packets */
+
+ if ((header0) && (PDP_IMAGE == header0->type)){
+
+ /* if dims are equal, just send the packet */
+ if ((header0->info.image.width == x->x_width)
+ && (header0->info.image.height == x->x_height)){
+ x->x_packet1 = x->x_packet0;
+ x->x_packet0 = -1;
+ pdp_scale_sendpacket(x);
+ return;
+ }
+
+ /* type hub */
+ switch(header0->info.image.encoding){
+
+ case PDP_IMAGE_YV12:
+ x->x_packet1 = pdp_packet_new_image_YCrCb(x->x_width, x->x_height);
+ if(x->x_packet1 == -1){
+ post("pdp_scale: can't allocate packet");
+ return;
+ }
+ pdp_procqueue_add(q, x, pdp_scale_process_yv12, pdp_scale_sendpacket, &x->x_queue_id);
+ break;
+
+ case PDP_IMAGE_GREY:
+ x->x_packet1 = pdp_packet_new_image_grey(x->x_width, x->x_height);
+ if(x->x_packet1 == -1){
+ post("pdp_scale: can't allocate packet");
+ return;
+ }
+ pdp_procqueue_add(q, x, pdp_scale_process_grey, pdp_scale_sendpacket, &x->x_queue_id);
+ break;
+
+ default:
+ break;
+ /* don't know the type, so dont process */
+
+ }
+ }
+
+}
+
+
+
+
+static void pdp_scale_input_0(t_pdp_scale *x, t_symbol *s, t_floatarg f)
+{
+
+ int p = (int)f;
+ int passes, i;
+
+ if (s== gensym("register_rw")) x->x_dropped = pdp_packet_copy_ro_or_drop(&x->x_packet0, p);
+
+
+ if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)){
+
+ /* add the process method and callback to the process queue */
+ pdp_scale_process(x);
+
+ }
+
+}
+
+
+
+
+static void pdp_scale_width(t_pdp_scale *x, t_floatarg f)
+{
+ int i = (int)f;
+ if (i < 32) i = 32;
+ x->x_width = i;
+}
+
+static void pdp_scale_height(t_pdp_scale *x, t_floatarg f)
+{
+ int i = (int)f;
+ if (i < 32) i = 32;
+ x->x_height = i;
+}
+
+
+static void pdp_scale_dim(t_pdp_scale *x, t_floatarg w, t_floatarg h)
+{
+ pdp_scale_width(x, w);
+ pdp_scale_height(x, h);
+}
+
+static void pdp_scale_quality(t_pdp_scale *x, t_floatarg f)
+{
+ if (f==0) x->x_quality = 0;
+ if (f==1) x->x_quality = 1;
+}
+
+
+t_class *pdp_scale_class;
+
+
+
+void pdp_scale_free(t_pdp_scale *x)
+{
+ t_pdp_procqueue *q = pdp_queue_get_queue();
+ pdp_procqueue_finish(q, x->x_queue_id);
+ pdp_packet_mark_unused(x->x_packet0);
+ pdp_packet_mark_unused(x->x_packet1);
+}
+
+void *pdp_scale_new(t_floatarg fw, t_floatarg fh)
+{
+ t_pdp_scale *x = (t_pdp_scale *)pd_new(pdp_scale_class);
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+
+ x->x_packet0 = -1;
+ x->x_packet1 = -1;
+ x->x_queue_id = -1;
+
+ if ((fw != 0.0f) && (fh != 0.0f)) pdp_scale_dim(x, fw, fh);
+ else pdp_scale_dim(x, 320, 240);
+
+ pdp_scale_quality(x, 1);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_scale_setup(void)
+{
+
+
+ pdp_scale_class = class_new(gensym("pdp_scale"), (t_newmethod)pdp_scale_new,
+ (t_method)pdp_scale_free, sizeof(t_pdp_scale), 0, A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+
+
+ class_addmethod(pdp_scale_class, (t_method)pdp_scale_quality, gensym("quality"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_scale_class, (t_method)pdp_scale_width, gensym("width"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_scale_class, (t_method)pdp_scale_height, gensym("height"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_scale_class, (t_method)pdp_scale_dim, gensym("dim"), A_FLOAT, A_FLOAT, A_NULL);
+ class_addmethod(pdp_scale_class, (t_method)pdp_scale_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/image_special/pdp_scan.c b/modules/image_special/pdp_scan.c
new file mode 100644
index 0000000..9b80fea
--- /dev/null
+++ b/modules/image_special/pdp_scan.c
@@ -0,0 +1,231 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_mmx.h"
+#include <math.h>
+
+#define PDP_SCAN_COSTABLE_SIZE 1024
+static float pdp_cos[PDP_SCAN_COSTABLE_SIZE];
+
+typedef struct pdp_scan_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+ t_outlet *x_outlet1;
+
+ float x_centerx;
+ float x_centery;
+ float x_sizeh;
+ float x_sizev;
+
+ int x_packet0;
+ int x_packet1;
+
+ int x_interpolate;
+
+
+} t_pdp_scan;
+
+
+static t_int *pdp_scan_perform(t_int *w)
+{
+
+ t_pdp_scan *x = (t_pdp_scan *)(w[1]);
+ t_int n = (t_int)(w[2]);
+ t_float *in = (float *)(w[3]);
+ t_float *out = (float *)(w[4]);
+
+
+ /* check if valid image */
+ if (-1 == x->x_packet0){
+ while (n--) *out++ = 0;
+ return (w+5);
+ }
+ else{
+
+ t_pdp *header0 = pdp_packet_header(x->x_packet0);
+ short int *data0 = (short int *)pdp_packet_data (x->x_packet0);
+ short int *data1 = (short int *)pdp_packet_data (x->x_packet1);
+ int width = (float)header0->info.image.width;
+ float widthm1 = (float)header0->info.image.width - 1;
+ float heightm1 = (float)header0->info.image.height - 1;
+ int i;
+
+ float scale = 1.0f / 32767.0f;
+
+ if (x->x_interpolate && (-1 != x->x_packet1)){
+ float a_old = 1.0f;
+ float a_new = 0.0f;
+ float a_inc = 1.0f / (float)n;
+ float old, new;
+
+ while(n--){
+ float phase = *in++;
+ int iphase = (int)(phase * PDP_SCAN_COSTABLE_SIZE);
+ float c = pdp_cos[iphase & (PDP_SCAN_COSTABLE_SIZE - 1)];
+ float s = pdp_cos[(iphase - (PDP_SCAN_COSTABLE_SIZE>>1)) & (PDP_SCAN_COSTABLE_SIZE - 1)];
+ int xxx = (int)((x->x_centerx + x->x_sizeh * c) * widthm1);
+ int yyy = (int)((x->x_centery + x->x_sizev * c) * heightm1);
+ int offset = yyy*width+xxx;
+ new = ((float)(data0[offset])) * scale;
+ old = ((float)(data1[offset])) * scale;
+ *out++ = a_old * old + a_new * new;
+ a_new += a_inc;
+ a_old -= a_inc;
+ }
+
+ pdp_packet_mark_unused(x->x_packet1);
+ x->x_packet1 = -1;
+ }
+ else{
+ while(n--){
+ float phase = *in++;
+ int iphase = (int)(phase * PDP_SCAN_COSTABLE_SIZE);
+ float c = pdp_cos[iphase & (PDP_SCAN_COSTABLE_SIZE - 1)];
+ float s = pdp_cos[(iphase - (PDP_SCAN_COSTABLE_SIZE>>1)) & (PDP_SCAN_COSTABLE_SIZE - 1)];
+ int xxx = (int)((x->x_centerx + x->x_sizeh * c) * widthm1);
+ int yyy = (int)((x->x_centery + x->x_sizev * c) * heightm1);
+ *out++ = ((float)(data0[yyy*width+xxx])) * scale;
+ }
+ }
+
+ return (w+5);
+
+ }
+}
+
+
+
+
+static void pdp_scan_input_0(t_pdp_scan *x, t_symbol *s, t_floatarg f)
+{
+ int packet = (int)f;
+
+ /* register */
+ if (s== gensym("register_ro")){
+ t_pdp *header = pdp_packet_header(packet);
+ if (!header) return;
+ if (PDP_IMAGE != header->type) return;
+ if ((header->info.image.encoding != PDP_IMAGE_YV12) && (header->info.image.encoding != PDP_IMAGE_GREY)) return;
+
+ /* replace if not compatible or we are not interpolating */
+ if (!x->x_interpolate || (!pdp_packet_image_compat(x->x_packet0, packet))){
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = pdp_packet_copy_ro(packet);
+ }
+ /* otherwize keep the old one */
+ else{
+ pdp_packet_mark_unused(x->x_packet1);
+ x->x_packet1 = x->x_packet0;
+ x->x_packet0 = pdp_packet_copy_ro(packet);
+ }
+ }
+
+ /* pass packet */
+ if (s== gensym("process")){
+ //if (-1 != x->x_packet0) outlet_pdp (x->x_outlet0, x->x_packet0);
+ }
+
+
+}
+
+
+
+
+static void pdp_scan_dsp (t_pdp_scan *x, t_signal **sp)
+{
+ dsp_add(pdp_scan_perform, 4, x, sp[0]->s_n, sp[0]->s_vec, sp[1]->s_vec);
+
+}
+
+
+static void pdp_scan_interpolate(t_pdp_scan *x, t_floatarg f)
+{
+ if (0.0 == f){
+ x->x_interpolate = 0;
+ pdp_packet_mark_unused(x->x_packet1);
+ }
+ if (1.0 == f) x->x_interpolate = 1;
+}
+
+static void pdp_scan_free(t_pdp_scan *x)
+{
+ pdp_packet_mark_unused(x->x_packet0);
+}
+
+
+t_class *pdp_scan_class;
+
+
+
+void *pdp_scan_new(void)
+{
+ t_pdp_scan *x = (t_pdp_scan *)pd_new(pdp_scan_class);
+
+
+ //x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+ x->x_outlet1 = outlet_new(&x->x_obj, &s_signal);
+ x->x_packet0 = -1;
+ x->x_packet1 = -1;
+
+ x->x_centerx = 0.5f;
+ x->x_centery = 0.5f;
+ x->x_sizeh = 0.3;
+ x->x_sizev = 0.3;
+
+ pdp_scan_interpolate(x, 0);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_scan_setup(void)
+{
+ int i;
+ for (i=0; i<PDP_SCAN_COSTABLE_SIZE; i++)
+ pdp_cos[i] = cos((double)(i) * 2 * M_PI / PDP_SCAN_COSTABLE_SIZE);
+
+
+ pdp_scan_class = class_new(gensym("pdp_scan~"), (t_newmethod)pdp_scan_new,
+ (t_method)pdp_scan_free, sizeof(t_pdp_scan), 0, A_NULL);
+
+ CLASS_MAINSIGNALIN(pdp_scan_class, t_pdp_scan, x_f);
+
+ class_addmethod(pdp_scan_class, (t_method)pdp_scan_interpolate, gensym("interpolate"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_scan_class, (t_method)pdp_scan_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_scan_class, (t_method)pdp_scan_dsp, gensym("dsp"), A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/image_special/pdp_scanxy.c b/modules/image_special/pdp_scanxy.c
new file mode 100644
index 0000000..6fd7201
--- /dev/null
+++ b/modules/image_special/pdp_scanxy.c
@@ -0,0 +1,207 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include <math.h>
+
+typedef struct pdp_scanxy_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+ t_outlet *x_outlet1;
+
+ int x_packet0;
+ int x_packet1;
+
+ int x_interpolate;
+
+
+} t_pdp_scanxy;
+
+
+static t_int *pdp_scanxy_perform(t_int *w)
+{
+
+ t_pdp_scanxy *x = (t_pdp_scanxy *)(w[1]);
+ t_int n = (t_int)(w[2]);
+ t_float *inx = (float *)(w[3]);
+ t_float *iny = (float *)(w[4]);
+ t_float *out = (float *)(w[5]);
+
+
+ /* check if valid image */
+ if (-1 == x->x_packet0){
+ while (n--) *out++ = 0;
+ return (w+6);
+ }
+ else{
+
+ t_pdp *header0 = pdp_packet_header(x->x_packet0);
+ short int *data0 = (short int *)pdp_packet_data (x->x_packet0);
+ short int *data1 = (short int *)pdp_packet_data (x->x_packet1);
+ int width = (float)header0->info.image.width;
+ int height = (float)header0->info.image.height;
+ int i;
+
+ float scale = 1.0f / 32767.0f;
+ float scalein = 0x10000;
+
+ if (x->x_interpolate && (-1 != x->x_packet1)){
+ float a_old = 1.0f;
+ float a_new = 0.0f;
+ float a_inc = 1.0f / (float)n;
+ float old, new;
+
+ while(n--){
+ int xxx = ((((int)(scalein * *inx++)) & 0xffff) * width) >> 16;
+ int yyy = ((((int)(scalein * *iny++)) & 0xffff) * height) >> 16;
+ int offset = yyy*width+xxx;
+ new = ((float)(data0[offset])) * scale;
+ old = ((float)(data1[offset])) * scale;
+ *out++ = a_old * old + a_new * new;
+ a_new += a_inc;
+ a_old -= a_inc;
+ }
+
+ pdp_packet_mark_unused(x->x_packet1);
+ x->x_packet1 = -1;
+ }
+ else{
+ while(n--){
+ int xxx = ((((int)(scalein * *inx++)) & 0xffff) * width) >> 16;
+ int yyy = ((((int)(scalein * *iny++)) & 0xffff) * height) >> 16;
+ int offset = yyy*width+xxx;
+ *out++ = ((float)(data0[offset])) * scale;
+ }
+ }
+
+ return (w+6);
+
+ }
+}
+
+
+
+
+static void pdp_scanxy_input_0(t_pdp_scanxy *x, t_symbol *s, t_floatarg f)
+{
+ int packet = (int)f;
+
+ /* register */
+ if (s== gensym("register_ro")){
+ t_pdp *header = pdp_packet_header(packet);
+ if (!header) return;
+ if (PDP_IMAGE != header->type) return;
+ if ((header->info.image.encoding != PDP_IMAGE_YV12) && (header->info.image.encoding != PDP_IMAGE_GREY)) return;
+
+ /* replace if not compatible or we are not interpolating */
+ if (!x->x_interpolate || (!pdp_packet_image_compat(x->x_packet0, packet))){
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = pdp_packet_copy_ro(packet);
+ }
+ /* otherwize keep the old one */
+ else{
+ pdp_packet_mark_unused(x->x_packet1);
+ x->x_packet1 = x->x_packet0;
+ x->x_packet0 = pdp_packet_copy_ro(packet);
+ }
+ }
+
+ /* pass packet */
+ if (s== gensym("process")){
+ //if (-1 != x->x_packet0) outlet_pdp (x->x_outlet0, x->x_packet0);
+ }
+
+
+}
+
+
+
+
+static void pdp_scanxy_dsp (t_pdp_scanxy *x, t_signal **sp)
+{
+ dsp_add(pdp_scanxy_perform, 5, x, sp[0]->s_n, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec);
+
+}
+
+
+static void pdp_scanxy_interpolate(t_pdp_scanxy *x, t_floatarg f)
+{
+ if (0.0 == f){
+ x->x_interpolate = 0;
+ pdp_packet_mark_unused(x->x_packet1);
+ }
+ if (1.0 == f) x->x_interpolate = 1;
+}
+
+static void pdp_scanxy_free(t_pdp_scanxy *x)
+{
+ pdp_packet_mark_unused(x->x_packet0);
+}
+
+
+t_class *pdp_scanxy_class;
+
+
+
+void *pdp_scanxy_new(void)
+{
+ t_pdp_scanxy *x = (t_pdp_scanxy *)pd_new(pdp_scanxy_class);
+
+
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("signal"), gensym("signal"));
+ x->x_outlet1 = outlet_new(&x->x_obj, &s_signal);
+ x->x_packet0 = -1;
+ x->x_packet1 = -1;
+
+ pdp_scanxy_interpolate(x, 0);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_scanxy_setup(void)
+{
+
+ pdp_scanxy_class = class_new(gensym("pdp_scanxy~"), (t_newmethod)pdp_scanxy_new,
+ (t_method)pdp_scanxy_free, sizeof(t_pdp_scanxy), 0, A_NULL);
+
+ CLASS_MAINSIGNALIN(pdp_scanxy_class, t_pdp_scanxy, x_f);
+
+ class_addmethod(pdp_scanxy_class, (t_method)pdp_scanxy_interpolate, gensym("interpolate"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_scanxy_class, (t_method)pdp_scanxy_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_scanxy_class, (t_method)pdp_scanxy_dsp, gensym("dsp"), A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/image_special/pdp_scope.c b/modules/image_special/pdp_scope.c
new file mode 100644
index 0000000..4311a0b
--- /dev/null
+++ b/modules/image_special/pdp_scope.c
@@ -0,0 +1,317 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include <string.h>
+
+#define BUFSIZE 2048
+
+typedef struct pdp_scope_data
+{
+ short int random_seed[4];
+
+}t_pdp_scope_data;
+
+typedef struct pdp_scope_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+
+ t_pdp_scope_data *x_data;
+ int x_packet0;
+ int x_queue_id;
+
+ int x_pdp_image_type;
+
+ unsigned int x_width;
+ unsigned int x_height;
+
+ float *x_buffer;
+ int x_needle;
+
+
+} t_pdp_scope;
+
+
+
+void pdp_scope_type(t_pdp_scope *x, t_symbol *s)
+{
+ if (gensym("yv12") == s) {x->x_pdp_image_type = PDP_IMAGE_YV12; return;}
+ if (gensym("grey") == s) {x->x_pdp_image_type = PDP_IMAGE_GREY; return;}
+
+ x->x_pdp_image_type = -1;
+
+}
+
+
+
+
+
+static void pdp_scope_createpacket_yv12(t_pdp_scope *x)
+{
+ t_pdp *header;
+
+ unsigned int w = x->x_width;
+ unsigned int h = x->x_height;
+
+ unsigned int size = w*h;
+ unsigned int totalnbpixels = size + (size >> 1);
+ unsigned int packet_size = totalnbpixels << 1;
+
+ x->x_packet0 = pdp_packet_new_image_YCrCb(w, h);
+ if(x->x_packet0 == -1){
+ post("pdp_scope: can't allocate packet");
+ return;
+ }
+ header = pdp_packet_header(x->x_packet0);
+ memset(pdp_packet_data(x->x_packet0), 0, packet_size);
+
+}
+
+static void pdp_scope_generate_yv12(t_pdp_scope *x)
+{
+ unsigned int w = x->x_width;
+ unsigned int h = x->x_height;
+ unsigned int size = w*h;
+ unsigned int totalnbpixels = size + (size >> 1);
+ short int *data = (short int *) pdp_packet_data(x->x_packet0);
+
+ unsigned int i;
+ int offset = x->x_needle;
+ int val;
+ unsigned int y;
+ float fh2 = (float)(h/2);
+
+ if (!data) return;
+
+
+ for (i=0; i<w; i++){
+ y = (h/2) + (int)(fh2 * -x->x_buffer[(offset - w + i) & (BUFSIZE - 1)]);
+ if (y>=h) y = h-1;
+
+ data[i + y*w] = 0x7fff;
+ }
+
+ return;
+
+}
+
+static void pdp_scope_createpacket_grey(t_pdp_scope *x)
+{
+ t_pdp *header;
+ short int *data;
+
+ unsigned int w = x->x_width;
+ unsigned int h = x->x_height;
+
+ unsigned int size = w*h;
+ unsigned int totalnbpixels = size;
+ unsigned int packet_size = totalnbpixels << 1;
+
+ /* create new packet */
+ x->x_packet0 = pdp_packet_new_image_grey(w,h);
+ if(x->x_packet0 == -1){
+ post("pdp_scope: can't allocate packet");
+ return;
+ }
+
+
+ header = pdp_packet_header(x->x_packet0);
+ data = (short int *) pdp_packet_data(x->x_packet0);
+
+ memset(pdp_packet_data(x->x_packet0), 0, packet_size);
+
+}
+
+static void pdp_scope_generate_grey(t_pdp_scope *x)
+{
+ unsigned int w = x->x_width;
+ unsigned int h = x->x_height;
+ unsigned int totalnbpixels = x->x_width * x->x_height;
+ short int *data = (short int *) pdp_packet_data(x->x_packet0);
+
+ unsigned int i;
+ int offset = x->x_needle;
+ int val;
+ unsigned int y;
+ float fh2 = (float)(h/2);
+
+ if (!data) return;
+
+ for (i=0; i<w; i++){
+ y = (h/2) + (int)(fh2 * -x->x_buffer[(offset - w + i) & (BUFSIZE - 1)]);
+ if (y>=h) y = h-1;
+
+ data[i + y*w] = 0x7fff;
+ }
+
+ return;
+}
+
+static void pdp_scope_sendpacket(t_pdp_scope *x)
+{
+ /* propagate if valid */
+ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet0);
+}
+
+
+static void pdp_scope_bang(t_pdp_scope *x)
+{
+
+ int encoding;
+
+ /* if we have an active packet, don't do anything */
+ if (-1 != x->x_packet0) return;
+
+ switch(x->x_pdp_image_type){
+
+ case PDP_IMAGE_YV12:
+ pdp_scope_createpacket_yv12(x); // don't create inside thread!!!
+ pdp_scope_generate_yv12(x);
+ pdp_scope_sendpacket(x);
+ //pdp_queue_add(x, pdp_scope_generate_yv12, pdp_scope_sendpacket, &x->x_queue_id);
+ break;
+
+ case PDP_IMAGE_GREY:
+ pdp_scope_createpacket_grey(x); // don't create inside thread!!!
+ pdp_scope_generate_grey(x);
+ pdp_scope_sendpacket(x);
+ //pdp_queue_add(x, pdp_scope_generate_grey, pdp_scope_sendpacket, &x->x_queue_id);
+ break;
+
+ default:
+ break;
+
+ }
+
+
+ /* release the packet */
+
+}
+
+
+static void pdp_scope_dim(t_pdp_scope *x, t_floatarg w, t_floatarg h)
+{
+ if (w<32.0f) w = 32.0f;
+ if (h<32.0f) h = 32.0f;
+
+ x->x_width = (unsigned int)w;
+ x->x_height = (unsigned int)h;
+}
+
+
+static void pdp_scope_free(t_pdp_scope *x)
+{
+
+ /* remove callback from process queue */
+ t_pdp_procqueue *q = pdp_queue_get_queue();
+ pdp_procqueue_finish(q, x->x_queue_id);
+
+
+ /* tidy up */
+ pdp_packet_mark_unused(x->x_packet0);
+ pdp_dealloc(x->x_data);
+
+}
+static t_int *pdp_scope_perform(t_int *w)
+{
+
+
+ t_float *in = (float *)(w[3]);
+ t_pdp_scope *x = (t_pdp_scope *)(w[1]);
+ t_int n = (t_int)(w[2]);
+ t_int i;
+
+ t_int offset = x->x_needle;
+
+ for (i=0; i<n; i++)
+ x->x_buffer[(offset+i)&(BUFSIZE-1)] = in[i];
+
+ x->x_needle = (offset + n ) & (BUFSIZE - 1);
+
+ return (w+4);
+
+}
+static void pdp_scope_dsp(t_pdp_scope *x, t_signal **sp)
+{
+ dsp_add(pdp_scope_perform, 3, x, sp[0]->s_n, sp[0]->s_vec);
+
+}
+
+t_class *pdp_scope_class;
+
+
+
+
+void *pdp_scope_new(void)
+{
+ int i;
+
+ t_pdp_scope *x = (t_pdp_scope *)pd_new(pdp_scope_class);
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+
+ x->x_packet0 = -1;
+ x->x_queue_id = -1;
+ x->x_width = 320;
+ x->x_height = 240;
+ x->x_f = 0.0;
+
+ x->x_data = (t_pdp_scope_data *)pdp_alloc(sizeof(t_pdp_scope_data));
+
+ pdp_scope_type(x, gensym("yv12"));
+
+ x->x_buffer = (float *)pdp_alloc(sizeof(float) * BUFSIZE);
+ x->x_needle = 0;
+
+ return (void *)x;
+}
+
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+
+void pdp_scope_setup(void)
+{
+
+
+ pdp_scope_class = class_new(gensym("pdp_scope~"), (t_newmethod)pdp_scope_new,
+ (t_method)pdp_scope_free, sizeof(t_pdp_scope), 0, A_NULL);
+
+ CLASS_MAINSIGNALIN(pdp_scope_class, t_pdp_scope, x_f);
+
+ class_addmethod(pdp_scope_class, (t_method)pdp_scope_type, gensym("type"), A_SYMBOL, A_NULL);
+ class_addmethod(pdp_scope_class, (t_method)pdp_scope_dim, gensym("dim"), A_FLOAT, A_FLOAT, A_NULL);
+ class_addmethod(pdp_scope_class, (t_method)pdp_scope_bang, gensym("bang"), A_NULL);
+ class_addmethod(pdp_scope_class, (t_method)pdp_scope_dsp, gensym("dsp"), 0);
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/image_special/pdp_slice_cut.c b/modules/image_special/pdp_slice_cut.c
new file mode 100644
index 0000000..586f44d
--- /dev/null
+++ b/modules/image_special/pdp_slice_cut.c
@@ -0,0 +1,310 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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 module converts a greyscale image or the luma channel of a colour image
+ to a colour image intensity mask, usable for multiplication */
+
+#include "pdp.h"
+#include "pdp_resample.h"
+#include "pdp_imageproc.h"
+
+typedef struct pdp_slice_cut_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+
+ int x_packet0;
+ //int x_dropped;
+ //int x_queue_id;
+
+ unsigned int x_slice_height;
+
+
+} t_pdp_slice_cut;
+
+
+
+static void pdp_slice_cut_process_grey(t_pdp_slice_cut *x)
+{
+ t_pdp *header = pdp_packet_header(x->x_packet0);
+ short int *data = (short int *)pdp_packet_data (x->x_packet0);
+ t_pdp *newheader = 0;
+ short int *newdata = 0;
+ int newpacket = -1;
+
+ unsigned int w = header->info.image.width;
+ unsigned int h = header->info.image.height;
+
+ unsigned int size = w*h;
+ unsigned int height_left = h;
+ unsigned int slice_height = 0;
+ unsigned int slice_yoffset = 0;
+ unsigned int slice_offset = 0;
+ unsigned int slice_size_bytes = 0;
+
+ #define min(x,y) (((x)<(y)) ? (x) : (y))
+
+ while(height_left){
+
+ /* compute slice size */
+ slice_height = min(x->x_slice_height, height_left);
+ height_left -= slice_height;
+ slice_size_bytes = (w << 1) * slice_height;
+
+ /* create new slice packet */
+ newpacket = pdp_packet_new_image_grey(w, slice_height);
+ newheader = pdp_packet_header(newpacket);
+
+ if(!newheader){
+ post("pdp_slice_cut: can't allocate packet");
+ return;
+ }
+
+ newdata = (s16*)pdp_packet_data(newpacket);
+
+ //newheader->info.image.encoding = PDP_IMAGE_GREY;
+ //newheader->info.image.width = w;
+ //newheader->info.image.height = slice_height;
+
+ newheader->info.image.orig_height = h;
+ newheader->info.image.slice_yoff = slice_yoffset;
+
+ if (slice_height + height_left == h) newheader->info.image.slice_sync = PDP_IMAGE_SLICE_FIRST;
+ else if (height_left == 0) newheader->info.image.slice_sync = PDP_IMAGE_SLICE_LAST;
+ else newheader->info.image.slice_sync = PDP_IMAGE_SLICE_BODY;
+
+ /* copy slice data */
+ memcpy(newdata, data+slice_offset, slice_size_bytes);
+
+ /* unregister and propagate if valid packet */
+ pdp_packet_pass_if_valid(x->x_outlet0, &newpacket);
+
+ /* advance pointer stuff */
+ slice_offset += (slice_size_bytes>>1);
+ slice_yoffset += slice_height;
+
+ }
+
+
+
+ /* delete source packet when finished */
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = -1;
+ return;
+}
+
+static void pdp_slice_cut_process_yv12(t_pdp_slice_cut *x)
+{
+
+ t_pdp *header = pdp_packet_header(x->x_packet0);
+ short int *data = (short int *)pdp_packet_data (x->x_packet0);
+ t_pdp *newheader = 0;
+ short int *newdata = 0;
+ int newpacket = -1;
+
+ unsigned int w = header->info.image.width;
+ unsigned int h = header->info.image.height;
+
+ unsigned int size = w*h;
+ unsigned int height_left = h;
+ unsigned int slice_height = 0;
+ unsigned int sequence_number = 0;
+ unsigned int slice_offset = 0;
+ unsigned int slice_yoffset = 0;
+ unsigned int slice_size_bytes = 0;
+ unsigned int slice_size = 0;
+
+ #define min(x,y) (((x)<(y)) ? (x) : (y))
+
+ while(height_left){
+
+ /* compute slice size */
+ slice_height = min(x->x_slice_height, height_left);
+ height_left -= slice_height;
+ slice_size = w * slice_height;
+ slice_size_bytes = slice_size << 1;
+
+ /* create new slice packet */
+ newpacket = pdp_packet_new_image_YCrCb(w, slice_height);
+ newheader = pdp_packet_header(newpacket);
+
+ if(!newheader){
+ post("pdp_slice_cut: can't allocate packet");
+ return;
+ }
+
+ newdata = (s16*)pdp_packet_data(newpacket);
+ newheader->info.image.encoding = PDP_IMAGE_YV12;
+ newheader->info.image.width = w;
+ newheader->info.image.height = slice_height;
+ newheader->info.image.orig_height = h;
+ newheader->info.image.slice_yoff = slice_yoffset;
+
+ if (slice_height + height_left == h) newheader->info.image.slice_sync = PDP_IMAGE_SLICE_FIRST;
+ else if (height_left == 0) newheader->info.image.slice_sync = PDP_IMAGE_SLICE_LAST;
+ else newheader->info.image.slice_sync = PDP_IMAGE_SLICE_BODY;
+
+
+ /* copy slice data */
+ memcpy(newdata,
+ data + slice_offset,
+ slice_size_bytes);
+
+ memcpy(newdata + slice_size,
+ data + size + (slice_offset>>2),
+ slice_size_bytes>>2);
+
+ memcpy(newdata + slice_size + (slice_size >> 2),
+ data + size + (size >> 2) + (slice_offset >> 2),
+ slice_size_bytes>>2);
+
+ /* unregister and propagate if valid packet */
+ pdp_packet_pass_if_valid(x->x_outlet0, &newpacket);
+
+ /* advance pointer stuff */
+ slice_offset += (slice_size_bytes>>1);
+ slice_yoffset += slice_height;
+
+ }
+
+
+
+ /* delete source packet when finished */
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = -1;
+ return;
+
+}
+
+
+
+static void pdp_slice_cut_process(t_pdp_slice_cut *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_slice_cut_process inputs and write into active inlet */
+ switch(pdp_packet_header(x->x_packet0)->info.image.encoding){
+
+ case PDP_IMAGE_YV12:
+ pdp_slice_cut_process_yv12(x);
+ break;
+
+ case PDP_IMAGE_GREY:
+ pdp_slice_cut_process_grey(x);
+ break;
+
+ default:
+ /* don't know the type, so dont pdp_slice_cut_process */
+
+ break;
+ }
+ }
+}
+
+static void pdp_slice_cut_input_0(t_pdp_slice_cut *x, t_symbol *s, t_floatarg f)
+{
+
+ int p = (int)f;
+
+ if (s== gensym("register_ro")) x->x_packet0 = pdp_packet_copy_ro(p);
+ if ((s == gensym("process")) && (-1 != x->x_packet0)) pdp_slice_cut_process(x);
+
+}
+
+
+
+static void pdp_slice_cut_height(t_pdp_slice_cut *x, t_floatarg f)
+{
+ int i = (int)f;
+ x->x_slice_height = pdp_imageproc_legalheight(i);
+ post("pdp_slice: height set to %d", x->x_slice_height);
+
+}
+static void pdp_slice_cut_forceheight(t_pdp_slice_cut *x, t_floatarg f)
+{
+ int i = (int)f;
+ if (i<1) i = 1;
+ x->x_slice_height = i;
+ post("pdp_slice: WARNING: forceheight is a debug message. setting this to an abritrary");
+ post("pdp_slice: WARNING: value can crash pdp. set it to a multiple of 2 and only use pixel");
+ post("pdp_slice: WARNING: operations (no convolution or biquad) in the mmx version.");
+ post("pdp_slice: height forced to %d", x->x_slice_height);
+
+}
+
+
+static void pdp_slice_cut_free(t_pdp_slice_cut *x)
+{
+ pdp_packet_mark_unused(x->x_packet0);
+}
+
+t_class *pdp_slice_cut_class;
+
+
+
+void *pdp_slice_cut_new(void)
+{
+ int i;
+
+ t_pdp_slice_cut *x = (t_pdp_slice_cut *)pd_new(pdp_slice_cut_class);
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+ x->x_packet0 = -1;
+ //x->x_queue_id = -1;
+
+ x->x_slice_height = 8;
+ post("pdp_slice_cut: WARNING: experimental object");
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_slice_cut_setup(void)
+{
+
+
+ pdp_slice_cut_class = class_new(gensym("pdp_slice_cut"), (t_newmethod)pdp_slice_cut_new,
+ (t_method)pdp_slice_cut_free, sizeof(t_pdp_slice_cut), 0, A_NULL);
+
+
+ class_addmethod(pdp_slice_cut_class, (t_method)pdp_slice_cut_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_slice_cut_class, (t_method)pdp_slice_cut_height, gensym("height"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_slice_cut_class, (t_method)pdp_slice_cut_forceheight, gensym("forceheight"), A_FLOAT, A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/image_special/pdp_slice_glue.c b/modules/image_special/pdp_slice_glue.c
new file mode 100644
index 0000000..af6d2bd
--- /dev/null
+++ b/modules/image_special/pdp_slice_glue.c
@@ -0,0 +1,215 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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 module converts a greyscale image or the luma channel of a colour image
+ to a colour image intensity mask, usable for multiplication */
+
+#include "pdp.h"
+#include "pdp_resample.h"
+
+typedef struct pdp_slice_glue_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+
+ int x_packet0; //input packet
+ int x_packet1; //output packet
+
+} t_pdp_slice_glue;
+
+
+
+static void pdp_slice_glue_process_grey(t_pdp_slice_glue *x)
+{
+ t_pdp *header0 = pdp_packet_header(x->x_packet0);
+ t_pdp *header1 = pdp_packet_header(x->x_packet1);
+ short int *data0 = (short int *)pdp_packet_data (x->x_packet0);
+ short int *data1 = (short int *)pdp_packet_data (x->x_packet1);
+
+
+ unsigned int offset = header0->info.image.width * header0->info.image.slice_yoff;
+ unsigned int slice_size = header0->info.image.width * header0->info.image.height;
+
+ memcpy(data1 + offset, data0, slice_size << 1);
+
+
+ return;
+}
+
+static void pdp_slice_glue_process_yv12(t_pdp_slice_glue *x)
+{
+
+ t_pdp *header0 = pdp_packet_header(x->x_packet0);
+ t_pdp *header1 = pdp_packet_header(x->x_packet1);
+ short int *data0 = (short int *)pdp_packet_data (x->x_packet0);
+ short int *data1 = (short int *)pdp_packet_data (x->x_packet1);
+
+ unsigned int w = header0->info.image.width;
+ unsigned int h = header0->info.image.height;
+
+ unsigned int dw = header1->info.image.width;
+ unsigned int dh = header1->info.image.height;
+ unsigned int dsize = dh*dw;
+
+ unsigned int offset = w * header0->info.image.slice_yoff;
+ unsigned int slice_size = w * h;
+
+ memcpy(data1 + offset, data0, slice_size << 1);
+ memcpy(data1 + dsize + (offset >> 2), data0 + slice_size, slice_size >> 1);
+ memcpy(data1 + dsize + (dsize >>2) + (offset>>2), data0 + slice_size + (slice_size >> 2), slice_size >> 1);
+
+
+ return;
+
+}
+
+
+
+static void pdp_slice_glue_process(t_pdp_slice_glue *x)
+{
+ int encoding;
+ int newpacket;
+ t_pdp *header = 0;
+ t_pdp *dest_header = 0;
+
+
+ /* check if the packet is a valid slice packet */
+ /* if not pass it along */
+ if (!((header = pdp_packet_header(x->x_packet0)) &&
+ (PDP_IMAGE == header->type) && (header->info.image.orig_height))) goto passalong;
+
+ /* if this is the first slice of a sequence, or we don't have a dest packet yet */
+ /* create a new destination packet */
+ if ((x->x_packet1 == -1) || (header->info.image.slice_sync & PDP_IMAGE_SLICE_FIRST)){
+ pdp_packet_mark_unused(x->x_packet1);
+ x->x_packet1 = pdp_packet_new_image(header->info.image.encoding, header->info.image.width, header->info.image.orig_height);
+ dest_header = pdp_packet_header(x->x_packet1);
+ //dest_header->info.image.encoding = header->info.image.encoding;
+ //dest_header->info.image.width = header->info.image.width;
+ //dest_header->info.image.height = header->info.image.orig_height;
+ }
+
+ /* if this is a body or last slice, it has to be compatible with the current dest packet */
+ /* else ignore it */
+ else{
+ dest_header = pdp_packet_header(x->x_packet1);
+ if (!((dest_header->info.image.encoding == header->info.image.encoding) &&
+ ((dest_header->info.image.width == header->info.image.width)))) goto dispose;
+ }
+
+ /* now we have a dest packet and the source packet is compatible with it, so copy the data */
+
+
+ switch(pdp_packet_header(x->x_packet0)->info.image.encoding){
+
+ case PDP_IMAGE_YV12:
+ pdp_slice_glue_process_yv12(x);
+ break;
+
+ case PDP_IMAGE_GREY:
+ pdp_slice_glue_process_grey(x);
+ break;
+
+ default:
+ /* don't know the type, so dont pdp_slice_glue_process */
+
+ break;
+ }
+
+ /* if the source packet was a final slice, pass on the constructed packet */
+ if (header->info.image.slice_sync & PDP_IMAGE_SLICE_LAST){
+ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet1);
+ }
+
+
+ /* processing is done so we delete the source packet */
+ dispose:
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = -1;
+ return;
+
+
+ passalong:
+ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet0);
+ return;
+
+}
+
+static void pdp_slice_glue_input_0(t_pdp_slice_glue *x, t_symbol *s, t_floatarg f)
+{
+
+ int p = (int)f;
+
+ if (s== gensym("register_ro")) x->x_packet0 = pdp_packet_copy_ro(p);
+ if ((s == gensym("process")) && (-1 != x->x_packet0)) pdp_slice_glue_process(x);
+
+}
+
+
+
+
+static void pdp_slice_glue_free(t_pdp_slice_glue *x)
+{
+ pdp_packet_mark_unused(x->x_packet0);
+}
+
+t_class *pdp_slice_glue_class;
+
+
+
+void *pdp_slice_glue_new(void)
+{
+ int i;
+
+ t_pdp_slice_glue *x = (t_pdp_slice_glue *)pd_new(pdp_slice_glue_class);
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+ x->x_packet0 = -1;
+
+ post("pdp_slice_glue: WARNING: experimental object");
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_slice_glue_setup(void)
+{
+
+
+ pdp_slice_glue_class = class_new(gensym("pdp_slice_glue"), (t_newmethod)pdp_slice_glue_new,
+ (t_method)pdp_slice_glue_free, sizeof(t_pdp_slice_glue), 0, A_NULL);
+
+
+ class_addmethod(pdp_slice_glue_class, (t_method)pdp_slice_glue_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-26 19:44:59 +0000