/* * PiDiP module. * Copyright (c) by Yves Degoyon (ydegoyon@free.fr) * * 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. * */ /* This object is an object allowing juxtaposition of frames from two inlets * Written by Yves Degoyon */ #include "pdp.h" #include static char *pdp_juxta_version = "pdp_juxta: version 0.1, frames juxtaposition, written by Yves Degoyon (ydegoyon@free.fr)"; typedef struct pdp_juxta_struct { t_object x_obj; t_float x_f; t_outlet *x_outlet0; t_int x_packet0; t_int x_packet1; t_int x_packet; t_int x_dropped; t_int x_queue_id; t_int x_vwidth0; t_int x_vheight0; t_int x_vsize0; t_int x_vwidth1; t_int x_vheight1; t_int x_vsize1; t_int x_vwidth; t_int x_vheight; t_int x_vsize; } t_pdp_juxta; static void pdp_juxta_process_yv12(t_pdp_juxta *x) { t_pdp *header0 = pdp_packet_header(x->x_packet0); short int *data0 = (short int *)pdp_packet_data(x->x_packet0); t_pdp *header1 = pdp_packet_header(x->x_packet1); short int *data1 = (short int *)pdp_packet_data(x->x_packet1); t_pdp *header; short int *data; int i; short int *poY, *poV, *poU, *p0Y, *p0V, *p0U, *p1Y, *p1V, *p1U; int px, py; if ( header0 ) { x->x_vwidth0 = header0->info.image.width; x->x_vheight0 = header0->info.image.height; x->x_vsize0 = x->x_vwidth0*x->x_vheight0; } else { x->x_vwidth0 = x->x_vheight0 = x->x_vsize0 = 0; } if ( header1 ) { x->x_vwidth1 = header1->info.image.width; x->x_vheight1 = header1->info.image.height; x->x_vsize1 = x->x_vwidth1*x->x_vheight1; } else { x->x_vwidth1 = x->x_vheight1 = x->x_vsize1 = 0; } x->x_vwidth = x->x_vwidth0 + x->x_vwidth1; if ( x->x_vheight0 > x->x_vheight1 ) { x->x_vheight = x->x_vheight0; } else { x->x_vheight = x->x_vheight1; } x->x_vsize = x->x_vwidth*x->x_vheight; // post( "pdp_juxta : resulting frame : %dx%d", x->x_vwidth, x->x_vheight ); x->x_packet = pdp_packet_new_image_YCrCb( x->x_vwidth, x->x_vheight ); header = pdp_packet_header(x->x_packet); data = (short int *)pdp_packet_data(x->x_packet); header->info.image.encoding = PDP_IMAGE_YV12; header->info.image.width = x->x_vwidth; header->info.image.height = x->x_vheight; poY = data; poV = data+x->x_vsize; poU = data+x->x_vsize+(x->x_vsize>>2); p0Y = data0; p0V = data0+x->x_vsize0; p0U = data0+x->x_vsize0+(x->x_vsize0>>2); p1Y = data1; p1V = data1+x->x_vsize1; p1U = data1+x->x_vsize1+(x->x_vsize1>>2); for ( py=0; pyx_vheight; py++ ) { for ( px=0; pxx_vwidth; px++ ) { if ( px < x->x_vwidth0 && p0Y ) { *poY = *p0Y; *poV = *p0V; *poU = *p0U; poY++;p0Y++; if ( (px%2==0) && (py%2==0) ) { poU++; poV++; p0U++; p0V++; } } if ( px >= x->x_vwidth0 && p1Y ) { *poY = *p1Y; *poV = *p1V; *poU = *p1U; poY++;p1Y++; if ( (px%2==0) && (py%2==0) ) { poU++; poV++; p1U++; p1V++; } } } } return; } static void pdp_juxta_sendpacket0(t_pdp_juxta *x) { /* unregister and propagate if valid dest packet */ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet); } static void pdp_juxta_sendpacket1(t_pdp_juxta *x) { /* unregister and propagate if valid dest packet */ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet); } static void pdp_juxta_process0(t_pdp_juxta *x) { int encoding; t_pdp *header = 0; /* check if image data packets are compatible */ if ( (header = pdp_packet_header(x->x_packet0)) && (PDP_IMAGE == header->type)){ /* pdp_juxta_process inputs and write into active inlet */ switch(pdp_packet_header(x->x_packet0)->info.image.encoding){ case PDP_IMAGE_YV12: pdp_queue_add(x, pdp_juxta_process_yv12, pdp_juxta_sendpacket0, &x->x_queue_id); break; case PDP_IMAGE_GREY: break; default: /* don't know the type, so dont pdp_juxta_process */ break; } } } static void pdp_juxta_process1(t_pdp_juxta *x) { int encoding; t_pdp *header = 0; /* check if image data packets are compatible */ if ( (header = pdp_packet_header(x->x_packet1)) && (PDP_IMAGE == header->type)){ /* pdp_juxta_process inputs and write into active inlet */ switch(pdp_packet_header(x->x_packet1)->info.image.encoding){ case PDP_IMAGE_YV12: pdp_queue_add(x, pdp_juxta_process_yv12, pdp_juxta_sendpacket1, &x->x_queue_id); break; case PDP_IMAGE_GREY: break; default: /* don't know the type, so dont pdp_juxta_process */ break; } } } static void pdp_juxta_input_0(t_pdp_juxta *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")) { /* release the packet */ if ( x->x_packet0 != -1 ) { pdp_packet_mark_unused(x->x_packet0); x->x_packet0 = -1; } x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packet0, (int)f, pdp_gensym("image/YCrCb/*") ); } if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)){ /* add the process method and callback to the process queue */ pdp_juxta_process0(x); } } static void pdp_juxta_input_1(t_pdp_juxta *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")) { /* release the packet */ if ( x->x_packet1 != -1 ) { pdp_packet_mark_unused(x->x_packet1); x->x_packet1 = -1; } x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packet1, (int)f, pdp_gensym("image/YCrCb/*") ); } if ((s == gensym("process")) && (-1 != x->x_packet1) && (!x->x_dropped)){ /* add the process method and callback to the process queue */ pdp_juxta_process1(x); } } static void pdp_juxta_free(t_pdp_juxta *x) { int i; pdp_queue_finish(x->x_queue_id); pdp_packet_mark_unused(x->x_packet0); pdp_packet_mark_unused(x->x_packet1); } t_class *pdp_juxta_class; void *pdp_juxta_new(void) { int i; t_pdp_juxta *x = (t_pdp_juxta *)pd_new(pdp_juxta_class); inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("pdp"), gensym("pdp1")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("pdp"), gensym("pdp2")); x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); x->x_packet0 = -1; x->x_packet1 = -1; x->x_packet = -1; x->x_queue_id = -1; return (void *)x; } #ifdef __cplusplus extern "C" { #endif void pdp_juxta_setup(void) { post( pdp_juxta_version ); pdp_juxta_class = class_new(gensym("pdp_juxta"), (t_newmethod)pdp_juxta_new, (t_method)pdp_juxta_free, sizeof(t_pdp_juxta), CLASS_NOINLET, A_NULL); class_addmethod(pdp_juxta_class, (t_method)pdp_juxta_input_0, gensym("pdp1"), A_SYMBOL, A_DEFFLOAT, A_NULL); class_addmethod(pdp_juxta_class, (t_method)pdp_juxta_input_1, gensym("pdp2"), A_SYMBOL, A_DEFFLOAT, A_NULL); } #ifdef __cplusplus } #endif