diff options
Diffstat (limited to 'modules/image_special/pdp_scanxy.c')
| -rw-r--r-- | modules/image_special/pdp_scanxy.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/modules/image_special/pdp_scanxy.c b/modules/image_special/pdp_scanxy.c deleted file mode 100644 index 6fd7201..0000000 --- a/modules/image_special/pdp_scanxy.c +++ /dev/null @@ -1,207 +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 <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 |