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_baltan.c | 232 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 232 insertions(+) create mode 100644 modules/pdp_baltan.c (limited to 'modules/pdp_baltan.c') diff --git a/modules/pdp_baltan.c b/modules/pdp_baltan.c new file mode 100644 index 0000000..b75c074 --- /dev/null +++ b/modules/pdp_baltan.c @@ -0,0 +1,232 @@ +/* + * 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 adaptation of baltan effect from freej + * Originally written by Fukuchi Kentarou + * Adapted by Yves Degoyon + * Do not expect it to behave like effectv : well, it does things .... + */ + + + +#include "pdp.h" +#include + +#define PLANES 32 + +#define STRIDE 8 + +typedef struct pdp_baltan_struct +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + t_int x_packet0; + t_int x_packet1; + t_int x_dropped; + t_int x_queue_id; + + t_int *x_planebuf; + t_int x_plane; + t_int x_pixels; + t_int x_dfts; /* the factor */ + +} t_pdp_baltan; + +static void pdp_baltan_process_yv12(t_pdp_baltan *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); + + unsigned int w = header->info.image.width; + unsigned int h = header->info.image.height; + + unsigned int size = w*h; + unsigned int totalnbpixels = size; + unsigned int u_offset = size; + unsigned int v_offset = size + (size>>2); + unsigned int totnbpixels = size + (size>>1); + + t_int i, cf; + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = w; + newheader->info.image.height = h; + + /* allocate buffers if necessary */ + if ( ( x->x_planebuf == NULL ) || ( (int)size != x->x_pixels ) ) + { + if ( x->x_planebuf ) freebytes( x->x_planebuf, x->x_pixels*PLANES*sizeof(t_int) ); + + x->x_pixels = size; + x->x_planebuf = (t_int*)getbytes(x->x_pixels*PLANES*sizeof(t_int)); + post("pdp_baltan : allocated plane buffer (size=%d)", x->x_pixels*PLANES*sizeof(t_int) ); + bzero(x->x_planebuf, x->x_pixels*PLANES*sizeof(t_int)); + x->x_plane = 0; + if ( !x->x_planebuf ) + { + post( "pdp_baltan : serious error : unable to allocate buffers " ) ; + return; + } + } + + /* process data packet */ + for(i=0; ix_pixels; i++) + { + *(x->x_planebuf+x->x_plane*x->x_pixels+i) = (data[i] & x->x_dfts)>>2; + } + + cf = x->x_plane & (STRIDE-1); + + for(i=0; ix_pixels; i++) { + newdata[i] = *(x->x_planebuf+cf*x->x_pixels+i) + + *(x->x_planebuf+((cf+STRIDE)*x->x_pixels)+i) + + *(x->x_planebuf+((cf+2*STRIDE)*x->x_pixels)+i) + + *(x->x_planebuf+((cf+3*STRIDE)*x->x_pixels)+i); + *(x->x_planebuf+x->x_plane*x->x_pixels+i) = (newdata[i]&x->x_dfts)>>2; + } + + x->x_plane++; + x->x_plane = x->x_plane & (PLANES-1); + + /* leave the colors unchanged */ + for( i=size; i<(int)totnbpixels; i++) + { + newdata[i] = data[i]; + } + + return; +} + +static void pdp_baltan_sendpacket(t_pdp_baltan *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_baltan_process(t_pdp_baltan *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_baltan_process inputs and write into active inlet */ + switch(pdp_packet_header(x->x_packet0)->info.image.encoding){ + + case PDP_IMAGE_YV12: + x->x_packet1 = pdp_packet_clone_rw(x->x_packet0); + pdp_queue_add(x, pdp_baltan_process_yv12, pdp_baltan_sendpacket, &x->x_queue_id); + break; + + case PDP_IMAGE_GREY: + // pdp_baltan_process_packet(x); + break; + + default: + /* don't know the type, so dont pdp_baltan_process */ + break; + + } + } +} + +static void pdp_baltan_input_0(t_pdp_baltan *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("image/YCrCb/*") ); + + + if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)){ + + /* add the process method and callback to the process queue */ + pdp_baltan_process(x); + + } +} + +static void pdp_baltan_dfts(t_pdp_baltan *x, t_floatarg fdfts ) +{ + x->x_dfts = (t_int)fdfts; +} + +static void pdp_baltan_free(t_pdp_baltan *x) +{ + if ( x->x_planebuf ) freebytes( x->x_planebuf, x->x_pixels*PLANES*sizeof(t_int) ); + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); +} + +t_class *pdp_baltan_class; + +void *pdp_baltan_new(void) +{ + int i; + + t_pdp_baltan *x = (t_pdp_baltan *)pd_new(pdp_baltan_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("dfts")); + + 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_planebuf = NULL; + x->x_pixels = 0; + x->x_dfts = 0xfcfcfc; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_baltan_setup(void) +{ + + + pdp_baltan_class = class_new(gensym("pdp_baltan"), (t_newmethod)pdp_baltan_new, + (t_method)pdp_baltan_free, sizeof(t_pdp_baltan), 0, A_NULL); + + class_addmethod(pdp_baltan_class, (t_method)pdp_baltan_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_baltan_class, (t_method)pdp_baltan_dfts, gensym("dfts"), A_DEFFLOAT, A_NULL); + + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1