Blender V2.61 - r43446

node_composite_sepcombYUVA.c

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00001 /*
00002  * ***** BEGIN GPL LICENSE BLOCK *****
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License
00006  * as published by the Free Software Foundation; either version 2
00007  * of the License, or (at your option) any later version. 
00008  *
00009  * This program is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software Foundation,
00016  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00017  *
00018  * The Original Code is Copyright (C) 2006 Blender Foundation.
00019  * All rights reserved.
00020  *
00021  * The Original Code is: all of this file.
00022  *
00023  * Contributor(s): none yet.
00024  *
00025  * ***** END GPL LICENSE BLOCK *****
00026  */
00027 
00033 #include "node_composite_util.h"
00034 
00035 
00036 /* **************** SEPARATE YUVA ******************** */
00037 static bNodeSocketTemplate cmp_node_sepyuva_in[]= {
00038     {  SOCK_RGBA, 1, "Image",        1.0f, 1.0f, 1.0f, 1.0f},
00039     {  -1, 0, ""   }
00040 };
00041 static bNodeSocketTemplate cmp_node_sepyuva_out[]= {
00042     {  SOCK_FLOAT, 0, "Y"},
00043     {  SOCK_FLOAT, 0, "U"},
00044     {  SOCK_FLOAT, 0, "V"},
00045     {  SOCK_FLOAT, 0, "A"},
00046     {  -1, 0, ""   }
00047 };
00048 
00049 static void do_sepyuva(bNode *UNUSED(node), float *out, float *in)
00050 {
00051     float y, u, v;
00052     
00053     rgb_to_yuv(in[0], in[1], in[2], &y, &u, &v);
00054     
00055     out[0]= y;
00056     out[1]= u;
00057     out[2]= v;
00058     out[3]= in[3];
00059 }
00060 
00061 static void node_composit_exec_sepyuva(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
00062 {
00063     /* stack order out: bw channels */
00064     /* stack order in: col */
00065     
00066     /* input no image? then only color operation */
00067     if(in[0]->data==NULL) {
00068         float y, u, v;
00069     
00070         rgb_to_yuv(in[0]->vec[0], in[0]->vec[1], in[0]->vec[2], &y, &u, &v);
00071     
00072         out[0]->vec[0] = y;
00073         out[1]->vec[0] = u;
00074         out[2]->vec[0] = v;
00075         out[3]->vec[0] = in[0]->vec[3];
00076     }
00077     else if ((out[0]->hasoutput) || (out[1]->hasoutput) || (out[2]->hasoutput) || (out[3]->hasoutput)) {
00078         /* make copy of buffer so input image doesn't get corrupted */
00079         CompBuf *cbuf= dupalloc_compbuf(in[0]->data);
00080         CompBuf *cbuf2=typecheck_compbuf(cbuf, CB_RGBA);
00081     
00082         /* convert the RGB stackbuf to an YUV representation */
00083         composit1_pixel_processor(node, cbuf2, cbuf2, in[0]->vec, do_sepyuva, CB_RGBA);
00084     
00085         /* separate each of those channels */
00086         if(out[0]->hasoutput)
00087             out[0]->data= valbuf_from_rgbabuf(cbuf2, CHAN_R);
00088         if(out[1]->hasoutput)
00089             out[1]->data= valbuf_from_rgbabuf(cbuf2, CHAN_G);
00090         if(out[2]->hasoutput)
00091             out[2]->data= valbuf_from_rgbabuf(cbuf2, CHAN_B);
00092         if(out[3]->hasoutput)
00093             out[3]->data= valbuf_from_rgbabuf(cbuf2, CHAN_A);
00094 
00095         /*not used anymore */
00096         if(cbuf2!=cbuf)
00097             free_compbuf(cbuf2);
00098         free_compbuf(cbuf);
00099     }
00100 }
00101 
00102 void register_node_type_cmp_sepyuva(bNodeTreeType *ttype)
00103 {
00104     static bNodeType ntype;
00105 
00106     node_type_base(ttype, &ntype, CMP_NODE_SEPYUVA, "Separate YUVA", NODE_CLASS_CONVERTOR, 0);
00107     node_type_socket_templates(&ntype, cmp_node_sepyuva_in, cmp_node_sepyuva_out);
00108     node_type_size(&ntype, 80, 40, 140);
00109     node_type_exec(&ntype, node_composit_exec_sepyuva);
00110 
00111     nodeRegisterType(ttype, &ntype);
00112 }
00113 
00114 
00115 
00116 /* **************** COMBINE YUVA ******************** */
00117 static bNodeSocketTemplate cmp_node_combyuva_in[]= {
00118     {   SOCK_FLOAT, 1, "Y",         0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, PROP_NONE},
00119     {   SOCK_FLOAT, 1, "U",         0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, PROP_NONE},
00120     {   SOCK_FLOAT, 1, "V",         0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, PROP_NONE},
00121     {   SOCK_FLOAT, 1, "A",         1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, PROP_NONE},
00122     {   -1, 0, ""   }
00123 };
00124 static bNodeSocketTemplate cmp_node_combyuva_out[]= {
00125     {   SOCK_RGBA, 0, "Image"},
00126     {   -1, 0, ""   }
00127 };
00128 
00129 static void do_comb_yuva(bNode *UNUSED(node), float *out, float *in1, float *in2, float *in3, float *in4)
00130 {
00131     float r,g,b;
00132     yuv_to_rgb(in1[0], in2[0], in3[0], &r, &g, &b);
00133     
00134     out[0] = r;
00135     out[1] = g;
00136     out[2] = b;
00137     out[3] = in4[0];
00138 }
00139 
00140 static void node_composit_exec_combyuva(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
00141 {
00142     /* stack order out: 1 rgba channels */
00143     /* stack order in: 4 value channels */
00144     
00145     /* input no image? then only color operation */
00146     if((in[0]->data==NULL) && (in[1]->data==NULL) && (in[2]->data==NULL) && (in[3]->data==NULL)) {
00147         out[0]->vec[0] = in[0]->vec[0];
00148         out[0]->vec[1] = in[1]->vec[0];
00149         out[0]->vec[2] = in[2]->vec[0];
00150         out[0]->vec[3] = in[3]->vec[0];
00151     }
00152     else {
00153         /* make output size of first available input image */
00154         CompBuf *cbuf;
00155         CompBuf *stackbuf;
00156 
00157         /* allocate a CompBuf the size of the first available input */
00158         if (in[0]->data) cbuf = in[0]->data;
00159         else if (in[1]->data) cbuf = in[1]->data;
00160         else if (in[2]->data) cbuf = in[2]->data;
00161         else cbuf = in[3]->data;
00162         
00163         stackbuf = alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /* allocs */
00164         
00165         composit4_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, in[1]->data, in[1]->vec, 
00166                                   in[2]->data, in[2]->vec, in[3]->data, in[3]->vec, 
00167                                   do_comb_yuva, CB_VAL, CB_VAL, CB_VAL, CB_VAL);
00168 
00169         out[0]->data= stackbuf;
00170     }   
00171 }
00172 
00173 void register_node_type_cmp_combyuva(bNodeTreeType *ttype)
00174 {
00175     static bNodeType ntype;
00176 
00177     node_type_base(ttype, &ntype, CMP_NODE_COMBYUVA, "Combine YUVA", NODE_CLASS_CONVERTOR, NODE_OPTIONS);
00178     node_type_socket_templates(&ntype, cmp_node_combyuva_in, cmp_node_combyuva_out);
00179     node_type_size(&ntype, 80, 40, 140);
00180     node_type_exec(&ntype, node_composit_exec_combyuva);
00181 
00182     nodeRegisterType(ttype, &ntype);
00183 }