/* * Pure Data Packet module. * Copyright (c) by Tom Schouten * * 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 #include #include #include #include #include #include "pdp.h" #ifndef _EiC #include "cv.h" #endif typedef struct pdp_opencv_athreshold_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; int x_width; int x_height; int x_size; int x_infosok; int max_value; int x_threshold_mode; int x_threshold_method; int x_blocksize; int x_dim; IplImage *image, *gray; } t_pdp_opencv_athreshold; static void pdp_opencv_athreshold_process_rgb(t_pdp_opencv_athreshold *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); if ((x->x_width != (t_int)header->info.image.width) || (x->x_height != (t_int)header->info.image.height)) { post("pdp_opencv_athreshold :: resizing plugins"); x->x_width = header->info.image.width; x->x_height = header->info.image.height; x->x_size = x->x_width*x->x_height; //Destroy cv_images cvReleaseImage(&x->image); cvReleaseImage(&x->gray); //create the orig image with new size x->image = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3); // Create the output images with new sizes x->gray = cvCreateImage(cvSize(x->image->width,x->image->height), IPL_DEPTH_8U, 1); } newheader->info.image.encoding = header->info.image.encoding; newheader->info.image.width = x->x_width; newheader->info.image.height = x->x_height; memcpy( newdata, data, x->x_size*3 ); memcpy( x->image->imageData, data, x->x_size*3 ); // Convert to grayscale cvCvtColor(x->image, x->gray, CV_BGR2GRAY); // Applies fixed-level thresholding to single-channel array. switch(x->x_threshold_mode) { case 0: cvAdaptiveThreshold(x->gray, x->gray, (float)x->max_value, x->x_threshold_method, CV_THRESH_BINARY, x->x_blocksize, x->x_dim); break; case 1: cvAdaptiveThreshold(x->gray, x->gray, (float)x->max_value, x->x_threshold_method, CV_THRESH_BINARY_INV, x->x_blocksize, x->x_dim); break; } cvCvtColor(x->gray, x->image, CV_GRAY2BGR); memcpy( newdata, x->image->imageData, x->x_size*3 ); return; } static void pdp_opencv_athreshold_max(t_pdp_opencv_athreshold *x, t_floatarg f) { if ( (int)f>0 ) x->max_value = (int)f; } static void pdp_opencv_athreshold_mode(t_pdp_opencv_athreshold *x, t_floatarg f) { if ( ( (int)f==0 ) || ( (int)f==1 ) ) x->x_threshold_mode = (int)f; } static void pdp_opencv_athreshold_method(t_pdp_opencv_athreshold *x, t_floatarg f) { if ( (int)f==CV_ADAPTIVE_THRESH_MEAN_C ) x->x_threshold_method = CV_ADAPTIVE_THRESH_MEAN_C; if ( (int)f==CV_ADAPTIVE_THRESH_GAUSSIAN_C ) x->x_threshold_method = CV_ADAPTIVE_THRESH_GAUSSIAN_C; } static void pdp_opencv_athreshold_blocksize(t_pdp_opencv_athreshold *x, t_floatarg f) { if ( ( (int)f>=3 ) && ( (int)(f+1)%2 == 0 ) ) { x->x_blocksize = (int)f; } } static void pdp_opencv_athreshold_dim(t_pdp_opencv_athreshold *x, t_floatarg f) { x->x_dim = (int)f; } static void pdp_opencv_athreshold_sendpacket(t_pdp_opencv_athreshold *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_outlet0, &x->x_packet1); } static void pdp_opencv_athreshold_process(t_pdp_opencv_athreshold *x) { int encoding; t_pdp *header = 0; char *parname; unsigned pi; int partype; float pardefault; t_atom plist[2]; t_atom tlist[2]; t_atom vlist[2]; /* check if image data packets are compatible */ if ( (header = pdp_packet_header(x->x_packet0)) && (PDP_BITMAP == header->type)){ /* pdp_opencv_athreshold_process inputs and write into active inlet */ switch(pdp_packet_header(x->x_packet0)->info.image.encoding){ case PDP_BITMAP_RGB: x->x_packet1 = pdp_packet_clone_rw(x->x_packet0); pdp_queue_add(x, (void*)pdp_opencv_athreshold_process_rgb, (void*)pdp_opencv_athreshold_sendpacket, &x->x_queue_id); break; default: /* don't know the type, so dont pdp_opencv_athreshold_process */ break; } } } static void pdp_opencv_athreshold_input_0(t_pdp_opencv_athreshold *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((char*)"bitmap/rgb/*") ); if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)) { /* add the process method and callback to the process queue */ pdp_opencv_athreshold_process(x); } } static void pdp_opencv_athreshold_free(t_pdp_opencv_athreshold *x) { int i; pdp_queue_finish(x->x_queue_id); pdp_packet_mark_unused(x->x_packet0); //Destroy cv_images cvReleaseImage(&x->image); cvReleaseImage(&x->gray); } t_class *pdp_opencv_athreshold_class; void *pdp_opencv_athreshold_new(t_floatarg f) { int i; t_pdp_opencv_athreshold *x = (t_pdp_opencv_athreshold *)pd_new(pdp_opencv_athreshold_class); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("max_value")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("blocksize")); x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); x->x_packet0 = -1; x->x_packet1 = -1; x->x_queue_id = -1; x->x_width = 320; x->x_height = 240; x->x_size = x->x_width * x->x_height; x->x_infosok = 0; x->max_value = 255; x->x_threshold_mode = 0; x->x_threshold_method = CV_ADAPTIVE_THRESH_MEAN_C; x->x_blocksize = 3; x->x_dim = 0; x->image = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3); x->gray = cvCreateImage(cvSize(x->image->width,x->image->height), IPL_DEPTH_8U, 1); return (void *)x; } #ifdef __cplusplus extern "C" { #endif void pdp_opencv_athreshold_setup(void) { post( " pdp_opencv_athreshold"); pdp_opencv_athreshold_class = class_new(gensym("pdp_opencv_athreshold"), (t_newmethod)pdp_opencv_athreshold_new, (t_method)pdp_opencv_athreshold_free, sizeof(t_pdp_opencv_athreshold), 0, A_DEFFLOAT, A_NULL); class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_max, gensym("max_value"), A_FLOAT, A_NULL ); class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_mode, gensym("mode"), A_FLOAT, A_NULL ); class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_method, gensym("method"), A_FLOAT, A_NULL ); class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_blocksize, gensym("blocksize"), A_FLOAT, A_NULL ); class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_dim, gensym("dim"), A_FLOAT, A_NULL ); } #ifdef __cplusplus } #endif