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-rw-r--r--modules/pdp_scan.c231
1 files changed, 0 insertions, 231 deletions
diff --git a/modules/pdp_scan.c b/modules/pdp_scan.c
deleted file mode 100644
index 49a985c..0000000
--- a/modules/pdp_scan.c
+++ /dev/null
@@ -1,231 +0,0 @@
-/*
- * 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_type_compat_image(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
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-07 07:04:27 +0000