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_yvu2rgb.c | 185 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 185 insertions(+) create mode 100644 modules/pdp_yvu2rgb.c (limited to 'modules/pdp_yvu2rgb.c') diff --git a/modules/pdp_yvu2rgb.c b/modules/pdp_yvu2rgb.c new file mode 100644 index 0000000..ba22d8b --- /dev/null +++ b/modules/pdp_yvu2rgb.c @@ -0,0 +1,185 @@ +/* + * 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 "yuv.h" +#include + + +typedef struct pdp_yvu2rgb_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; + + unsigned int *x_RGBFrame; + t_int x_RGBFrameSize; + + +} t_pdp_yvu2rgb; + +static void pdp_yvu2rgb_process_yv12(t_pdp_yvu2rgb *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); + int i; + + 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); + + unsigned int row, col; + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = w; + newheader->info.image.height = h; + + if ( !x->x_RGBFrame ) + { + x->x_RGBFrame = ( unsigned int* ) getbytes( size*sizeof( unsigned int ) ); + x->x_RGBFrameSize = size*sizeof( unsigned int ); + post( "pdp_yvu2rgb : allocated frame size=%d", x->x_RGBFrameSize ); + } + if ( !x->x_RGBFrame ) + { + post( "pdp_yvu2rgb : cannot allocate frame" ); + return; + } + + yuv_Y122RGB( data, x->x_RGBFrame, w, h ); + // post( "pdp_yvu2rgb : converted to RGB" ); + yuv_RGB2Y12( x->x_RGBFrame, newdata, w, h ); + // post( "pdp_yvu2rgb : converted to Y12" ); + + return; +} + +static void pdp_yvu2rgb_sendpacket(t_pdp_yvu2rgb *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_yvu2rgb_process(t_pdp_yvu2rgb *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_yvu2rgb_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_yvu2rgb_process_yv12, pdp_yvu2rgb_sendpacket, &x->x_queue_id); + break; + + case PDP_IMAGE_GREY: + // pdp_yvu2rgb_process_packet(x); + break; + + default: + /* don't know the type, so dont pdp_yvu2rgb_process */ + break; + + } + } +} + +static void pdp_yvu2rgb_input_0(t_pdp_yvu2rgb *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_yvu2rgb_process(x); + } +} + +static void pdp_yvu2rgb_free(t_pdp_yvu2rgb *x) +{ + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); + if (x->x_RGBFrame ) freebytes( x->x_RGBFrame, x->x_RGBFrameSize ); +} + +t_class *pdp_yvu2rgb_class; + +void *pdp_yvu2rgb_new(void) +{ + int i; + + t_pdp_yvu2rgb *x = (t_pdp_yvu2rgb *)pd_new(pdp_yvu2rgb_class); + + x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); + + x->x_packet0 = -1; + x->x_packet1 = -1; + x->x_queue_id = -1; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_yvu2rgb_setup(void) +{ + + + pdp_yvu2rgb_class = class_new(gensym("pdp_yvu2rgb"), (t_newmethod)pdp_yvu2rgb_new, + (t_method)pdp_yvu2rgb_free, sizeof(t_pdp_yvu2rgb), 0, A_NULL); + + class_addmethod(pdp_yvu2rgb_class, (t_method)pdp_yvu2rgb_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1