From c5e843b82205c04c618a423d3bb223f1f630b7a1 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Mon, 11 Aug 2003 04:26:00 +0000 Subject: added sources from pidip-0.12.4 svn path=/trunk/externals/pidip/; revision=837 --- modules/pdp_juxta.c | 319 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 319 insertions(+) create mode 100644 modules/pdp_juxta.c (limited to 'modules/pdp_juxta.c') diff --git a/modules/pdp_juxta.c b/modules/pdp_juxta.c new file mode 100644 index 0000000..e0b107a --- /dev/null +++ b/modules/pdp_juxta.c @@ -0,0 +1,319 @@ +/* + * 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 -- cgit v1.2.1