From e20d5ae3622d5d656dc28d7a090aee76b08158b0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pablo=20Mart=C3=ADn?= Date: Sun, 7 Sep 2003 20:01:24 +0000 Subject: updating pdp to current version 0.12.2 svn path=/trunk/externals/pdp/; revision=936 --- modules/pdp_scale.c | 267 ---------------------------------------------------- 1 file changed, 267 deletions(-) delete mode 100644 modules/pdp_scale.c (limited to 'modules/pdp_scale.c') diff --git a/modules/pdp_scale.c b/modules/pdp_scale.c deleted file mode 100644 index 82c5257..0000000 --- a/modules/pdp_scale.c +++ /dev/null @@ -1,267 +0,0 @@ -/* - * 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 "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_pass_if_valid(x->x_outlet0, &x->x_packet1); -} - -static void pdp_scale_process(t_pdp_scale *x) -{ - 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_yv12(x->x_width, x->x_height); - pdp_queue_add(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); - pdp_queue_add(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) -{ - pdp_queue_finish(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 -- cgit v1.2.1