diff options
Diffstat (limited to 'modules/pdp_noise.c')
| -rw-r--r-- | modules/pdp_noise.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/modules/pdp_noise.c b/modules/pdp_noise.c deleted file mode 100644 index 84f4a72..0000000 --- a/modules/pdp_noise.c +++ /dev/null @@ -1,228 +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" - - - -typedef struct pdp_noise_struct -{ - t_object x_obj; - t_float x_f; - - t_outlet *x_outlet0; - - void *x_noisegen; - - int x_packet0; - int x_queue_id; - - int x_pdp_image_type; - - unsigned int x_width; - unsigned int x_height; - -} t_pdp_noise; - - - -void pdp_noise_type(t_pdp_noise *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; - -} - - -void pdp_noise_random(t_pdp_noise *x, t_floatarg seed) -{ - if (seed == 0.0f) seed = (float)random(); - pdp_imageproc_random_setseed(x->x_noisegen, seed); - -} - - - -static void pdp_noise_createpacket_yv12(t_pdp_noise *x) -{ - /* create new packet */ - x->x_packet0 = pdp_packet_new_image_yv12(x->x_width, x->x_height); - - /* seed the 16 bit rng with a new random number from the clib */ - pdp_noise_random(x, 0.0f); -} - -static void pdp_noise_generate_yv12(t_pdp_noise *x) -{ - short int *data; - unsigned int w = x->x_width; - unsigned int h = x->x_height; - - h = h + (h>>1); - - data = (short int *) pdp_packet_data(x->x_packet0); - - pdp_noise_random(x, 0.0f); - pdp_imageproc_random_process(x->x_noisegen, data, w, h); - - return; - -} - -static void pdp_noise_createpacket_grey(t_pdp_noise *x) -{ - /* create new packet */ - x->x_packet0 = pdp_packet_new_image_grey(x->x_width, x->x_height); - - /* seed the 16 bit rng with a new random number from the clib */ - pdp_noise_random(x, 0.0f); -} - -static void pdp_noise_generate_grey(t_pdp_noise *x) -{ - unsigned int w = x->x_width; - unsigned int h = x->x_height; - short int *data = (short int *) pdp_packet_data(x->x_packet0); - - data = (short int *) pdp_packet_data(x->x_packet0); - - pdp_noise_random(x, 0.0f); - pdp_imageproc_random_process(x->x_noisegen, data, w, h); - - - return; -} - -static void pdp_noise_sendpacket(t_pdp_noise *x, t_floatarg w, t_floatarg h) -{ - /* propagate if valid */ - pdp_pass_if_valid(x->x_outlet0, &x->x_packet0); -} - - -static void pdp_noise_bang(t_pdp_noise *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_noise_createpacket_yv12(x); // don't create inside thread!!! - pdp_queue_add(x, pdp_noise_generate_yv12, pdp_noise_sendpacket, &x->x_queue_id); - break; - - case PDP_IMAGE_GREY: - pdp_noise_createpacket_grey(x); // don't create inside thread!!! - pdp_queue_add(x, pdp_noise_generate_grey, pdp_noise_sendpacket, &x->x_queue_id); - break; - - default: - break; - - } - - - /* release the packet */ - - -} - -static void pdp_noise_dim(t_pdp_noise *x, t_floatarg w, t_floatarg h) -{ - x->x_width = pdp_imageproc_legalwidth((int)w); - x->x_height = pdp_imageproc_legalheight((int)h); - //post("dims %d %d", x->x_width, x->x_height); -} - - -static void pdp_noise_free(t_pdp_noise *x) -{ - - /* remove callback from process queue */ - pdp_queue_finish(x->x_queue_id); - - - /* tidy up */ - pdp_packet_mark_unused(x->x_packet0); - pdp_imageproc_random_delete(x->x_noisegen); - -} - -t_class *pdp_noise_class; - - - - -void *pdp_noise_new(void) -{ - int i; - - t_pdp_noise *x = (t_pdp_noise *)pd_new(pdp_noise_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_noisegen = pdp_imageproc_random_new(); - - pdp_noise_random(x, 0.0f); - - pdp_noise_type(x, gensym("yv12")); - - return (void *)x; -} - - - -#ifdef __cplusplus -extern "C" -{ -#endif - - - -void pdp_noise_setup(void) -{ - - - pdp_noise_class = class_new(gensym("pdp_noise"), (t_newmethod)pdp_noise_new, - (t_method)pdp_noise_free, sizeof(t_pdp_noise), 0, A_NULL); - - class_addmethod(pdp_noise_class, (t_method)pdp_noise_random, gensym("seed"), A_DEFFLOAT, A_NULL); - class_addmethod(pdp_noise_class, (t_method)pdp_noise_type, gensym("type"), A_SYMBOL, A_NULL); - class_addmethod(pdp_noise_class, (t_method)pdp_noise_dim, gensym("dim"), A_FLOAT, A_FLOAT, A_NULL); - class_addmethod(pdp_noise_class, (t_method)pdp_noise_bang, gensym("bang"), A_NULL); - -} - -#ifdef __cplusplus -} -#endif |