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26 // 26 //
>> 27 // $Id: G4RTJpegCoder.cc 96733 2016-05-02 11:52:48Z gcosmo $
27 // 28 //
28 // 29 //
29 // 30 //
30 31
31 #include <stdlib.h> 32 #include <stdlib.h>
32 #include <string.h> 33 #include <string.h>
33 #include <cmath> 34 #include <cmath>
34 35
35 #include "G4RTJpeg.hh" 36 #include "G4RTJpeg.hh"
36 #include "G4RTOutBitStream.hh" 37 #include "G4RTOutBitStream.hh"
37 #include "G4RTJpegMaker.hh" 38 #include "G4RTJpegMaker.hh"
38 #include "G4RTJpegCoder.hh" 39 #include "G4RTJpegCoder.hh"
39 #include "G4RTJpegCoderTables.hh" 40 #include "G4RTJpegCoderTables.hh"
40 41
41 42
42 G4JpegCoder::G4JpegCoder(u_char* colorR,u_char 43 G4JpegCoder::G4JpegCoder(u_char* colorR,u_char* colorG,u_char* colorB)
43 { 44 {
44 mRgb[0] = colorR; 45 mRgb[0] = colorR;
45 mRgb[1] = colorG; 46 mRgb[1] = colorG;
46 mRgb[2] = colorB; 47 mRgb[2] = colorB;
47 48
48 mPreDC[0] = mPreDC[1] = mPreDC[2] = 0; 49 mPreDC[0] = mPreDC[1] = mPreDC[2] = 0;
49 mOBSP = 0; 50 mOBSP = 0;
50 51
51 for(int n=0; n<8; n++) 52 for(int n=0; n<8; n++)
52 for(int im=0; im<8; im++) 53 for(int im=0; im<8; im++)
53 mCosT[n][im] = 54 mCosT[n][im] = std::cos((2 * im + 1) * n * PaiDiv16);
54 } 55 }
55 56
56 G4JpegCoder::~G4JpegCoder(void) 57 G4JpegCoder::~G4JpegCoder(void)
57 {} 58 {}
58 59
59 void 60 void
60 G4JpegCoder::GetJpegData(char** aJpegData, int 61 G4JpegCoder::GetJpegData(char** aJpegData, int& size)
61 { 62 {
62 if (mOBSP != 0){ 63 if (mOBSP != 0){
63 *aJpegData = (char*)mOBSP->GetStreamAddres 64 *aJpegData = (char*)mOBSP->GetStreamAddress();
64 size = mOBSP->GetStreamSize(); 65 size = mOBSP->GetStreamSize();
65 } 66 }
66 else{ 67 else{
67 *aJpegData = 0; 68 *aJpegData = 0;
68 size = 0; 69 size = 0;
69 } 70 }
70 71
71 } 72 }
72 73
73 int 74 int
74 G4JpegCoder::DoCoding(void) 75 G4JpegCoder::DoCoding(void)
75 { 76 {
76 mNumVUnits = (mProperty.nRow / 16) + ((mProp 77 mNumVUnits = (mProperty.nRow / 16) + ((mProperty.nRow % 16) ? 1 : 0);
77 mNumHUnits = (mProperty.nColumn / 16) + ((mP 78 mNumHUnits = (mProperty.nColumn / 16) + ((mProperty.nColumn % 16) ? 1 : 0);
78 79
79 int size = mProperty.nColumn * mProperty.nRo 80 int size = mProperty.nColumn * mProperty.nRow * 3;
80 if(size < 10240) 81 if(size < 10240)
81 size = 10240; 82 size = 10240;
82 83
83 try{ 84 try{
84 mOBSP = new G4OutBitStream(size); 85 mOBSP = new G4OutBitStream(size);
85 WriteHeader(); 86 WriteHeader();
86 for(int yu=0; yu<mNumVUnits; yu++){ 87 for(int yu=0; yu<mNumVUnits; yu++){
87 for(int xu=0; xu<mNumHUnits 88 for(int xu=0; xu<mNumHUnits; xu++){
88 makeYCC(xu, yu); 89 makeYCC(xu, yu);
89 90
90 //mRgb->YCrCb 91 //mRgb->YCrCb
91 #ifdef GRAY 92 #ifdef GRAY
92 for(int i=0; i<64; i++) 93 for(int i=0; i<64; i++)
93 mCbBlock[i] = mCrBlock[i] = 0; 94 mCbBlock[i] = mCrBlock[i] = 0;
94 #endif 95 #endif
95 CodeMCU(); 96 CodeMCU();
96 } 97 }
97 } 98 }
98 WriteEOI(); 99 WriteEOI();
99 return M_NoError; 100 return M_NoError;
100 } 101 }
101 102
102 catch(G4MemoryError &me){ 103 catch(G4MemoryError &me){
103 return M_RuntimeError; 104 return M_RuntimeError;
104 } 105 }
105 catch(G4BufferError &be){ 106 catch(G4BufferError &be){
106 return M_RuntimeError; 107 return M_RuntimeError;
107 } 108 }
108 catch(G4IndexError &ie){ 109 catch(G4IndexError &ie){
109 return M_RuntimeError; 110 return M_RuntimeError;
110 } 111 }
111 } 112 }
112 113
113 //MCU 114 //MCU
114 void 115 void
115 G4JpegCoder::CodeMCU(void) 116 G4JpegCoder::CodeMCU(void)
116 { 117 {
117 for(int n=0; n<4; n++){ 118 for(int n=0; n<4; n++){
118 ForwardDCT(mYBlock[n]); 119 ForwardDCT(mYBlock[n]);
119 Quantization(0); 120 Quantization(0);
120 CodeHuffman(0); 121 CodeHuffman(0);
121 } 122 }
122 ForwardDCT(mCbBlock); 123 ForwardDCT(mCbBlock);
123 Quantization(1); 124 Quantization(1);
124 CodeHuffman(1); 125 CodeHuffman(1);
125 126
126 ForwardDCT(mCrBlock); 127 ForwardDCT(mCrBlock);
127 Quantization(2); 128 Quantization(2);
128 CodeHuffman(2); 129 CodeHuffman(2);
129 } 130 }
130 131
131 void 132 void
132 G4JpegCoder::makeYCC(int ux, int uy) 133 G4JpegCoder::makeYCC(int ux, int uy)
133 { 134 {
134 u_char rv, gv, bv; 135 u_char rv, gv, bv;
135 int tCrBlock[4][64]; 136 int tCrBlock[4][64];
136 int tCbBlock[4][64]; 137 int tCbBlock[4][64];
137 138
138 for(int u=0; u<4; u++){ 139 for(int u=0; u<4; u++){
139 int *yp = mYBlock[u]; 140 int *yp = mYBlock[u];
140 int *cbp = tCbBlock[u]; 141 int *cbp = tCbBlock[u];
141 int *crp = tCrBlock[u]; 142 int *crp = tCrBlock[u];
142 143
143 int sx = ux * 16 + ((u&1) ? 8 : 0); 144 int sx = ux * 16 + ((u&1) ? 8 : 0);
144 int ex = sx + 8; 145 int ex = sx + 8;
145 int sy = uy * 16 + ((u>1) ? 8 : 0); 146 int sy = uy * 16 + ((u>1) ? 8 : 0);
146 int ey = sy + 8; 147 int ey = sy + 8;
147 148
148 for(int iv=sy; iv<ey; iv++){ 149 for(int iv=sy; iv<ey; iv++){
149 int ii = iv < mProperty.nRow ? iv : 150 int ii = iv < mProperty.nRow ? iv : mProperty.nRow - 1;
150 for(int ih=sx; ih<ex; ih++){ 151 for(int ih=sx; ih<ex; ih++){
151 int jj = ih < mProperty.nColumn ? 152 int jj = ih < mProperty.nColumn ? ih : mProperty.nColumn - 1;
152 int index = ii * mProperty.nCo 153 int index = ii * mProperty.nColumn + jj;
153 rv = mRgb[0][index]; 154 rv = mRgb[0][index];
154 gv = mRgb[1][index]; 155 gv = mRgb[1][index];
155 bv = mRgb[2][index]; 156 bv = mRgb[2][index];
156 157
157 *yp++ = int((0.2990 * rv) + (0 158 *yp++ = int((0.2990 * rv) + (0.5870 * gv) + (0.1140 * bv) - 128)
158 ; 159 ;
159 *cbp++ = int(-(0.1687 * rv) - 160 *cbp++ = int(-(0.1687 * rv) - (0.3313 * gv) + (0.5000 * bv));
160 *crp++ = int((0.5000 * rv) - ( 161 *crp++ = int((0.5000 * rv) - (0.4187 * gv) - (0.0813 * bv));
161 } // ih 162 } // ih
162 } //iv 163 } //iv
163 } //u 164 } //u
164 165
165 int n = 0; 166 int n = 0;
166 for(int b=0; b<4; b++){ 167 for(int b=0; b<4; b++){
167 switch(b){ 168 switch(b){
168 case 0: n=0; break; 169 case 0: n=0; break;
169 case 1: n=4; break; 170 case 1: n=4; break;
170 case 2: n=32; break; 171 case 2: n=32; break;
171 case 3: n=36; 172 case 3: n=36;
172 } 173 }
173 for(int y=0; y<8; y+=2){ 174 for(int y=0; y<8; y+=2){
174 for(int x=0; x<8; x+=2){ 175 for(int x=0; x<8; x+=2){
175 int idx = y * 8 + x; 176 int idx = y * 8 + x;
176 mCrBlock[n] = tCrBlock 177 mCrBlock[n] = tCrBlock[b][idx];
177 mCbBlock[n] = tCbBlock 178 mCbBlock[n] = tCbBlock[b][idx];
178 n++; 179 n++;
179 } 180 }
180 n += 4; 181 n += 4;
181 } 182 }
182 } 183 }
183 } 184 }
184 185
185 void 186 void
186 G4JpegCoder::CodeHuffman(int cs) 187 G4JpegCoder::CodeHuffman(int cs)
187 { 188 {
188 const G4HuffmanCodeTable& dcT = cs ? CDcHuff 189 const G4HuffmanCodeTable& dcT = cs ? CDcHuffmanT : YDcHuffmanT;
189 const G4HuffmanCodeTable& acT = cs ? CAcHuff 190 const G4HuffmanCodeTable& acT = cs ? CAcHuffmanT : YAcHuffmanT;
190 const int eobIdx = cs ? CEOBidx : YEOBidx; 191 const int eobIdx = cs ? CEOBidx : YEOBidx;
191 const int zrlIdx = cs ? CZRLidx : YZRLidx; 192 const int zrlIdx = cs ? CZRLidx : YZRLidx;
192 193
193 int diff = mDCTData[0] - mPreDC[cs]; 194 int diff = mDCTData[0] - mPreDC[cs];
194 mPreDC[cs] = mDCTData[0]; 195 mPreDC[cs] = mDCTData[0];
195 int absDiff = std::abs(diff); 196 int absDiff = std::abs(diff);
196 int dIdx = 0; 197 int dIdx = 0;
197 198
198 while(absDiff > 0){ 199 while(absDiff > 0){
199 absDiff >>= 1; 200 absDiff >>= 1;
200 dIdx++; 201 dIdx++;
201 } 202 }
202 if(dIdx > dcT.numOfElement) 203 if(dIdx > dcT.numOfElement)
203 throw(G4IndexError(dcT.numOfElement, d 204 throw(G4IndexError(dcT.numOfElement, dIdx, "CodeHuffman:DC"));
204 mOBSP->SetBits((dcT.CodeT)[dIdx], (dcT.SizeT 205 mOBSP->SetBits((dcT.CodeT)[dIdx], (dcT.SizeT)[dIdx]);
205 206
206 if(dIdx){ 207 if(dIdx){
207 if(diff < 0) 208 if(diff < 0)
208 diff--; 209 diff--;
209 mOBSP->SetBits(diff, dIdx); 210 mOBSP->SetBits(diff, dIdx);
210 } 211 }
211 212
212 int run = 0; 213 int run = 0;
213 for(int n=1; n<64; n++){ 214 for(int n=1; n<64; n++){
214 int absCoefficient = std::abs( mDCTDat 215 int absCoefficient = std::abs( mDCTData[ Zigzag[n] ] );
215 if( absCoefficient ){ 216 if( absCoefficient ){
216 while( run > 15 ){ 217 while( run > 15 ){
217 mOBSP->SetBits((acT.CodeT)[zrl 218 mOBSP->SetBits((acT.CodeT)[zrlIdx], (acT.SizeT)[zrlIdx]);
218 run -= 16; 219 run -= 16;
219 } 220 }
220 int is = 0; 221 int is = 0;
221 while( absCoefficient > 0 ){ 222 while( absCoefficient > 0 ){
222 absCoefficient >>= 1; 223 absCoefficient >>= 1;
223 is++; 224 is++;
224 } 225 }
225 int aIdx = run * 10 + is + 226 int aIdx = run * 10 + is + (run == 15);
226 if( aIdx >= acT.numOfElement ) 227 if( aIdx >= acT.numOfElement )
227 throw( G4IndexError( acT.num 228 throw( G4IndexError( acT.numOfElement, aIdx, "CodeHuffman:AC" )
228 ); 229 );
229 mOBSP->SetBits( (acT.CodeT)[aIdx], (acT.Size 230 mOBSP->SetBits( (acT.CodeT)[aIdx], (acT.SizeT)[aIdx] );
230 int v = mDCTData[ Zigzag[n 231 int v = mDCTData[ Zigzag[n] ];
231 if( v < 0 ) 232 if( v < 0 )
232 v--; 233 v--;
233 mOBSP->SetBits( v, is ); 234 mOBSP->SetBits( v, is );
234 run = 0; 235 run = 0;
235 } 236 }
236 else{ 237 else{
237 if(n == 63) 238 if(n == 63)
238 mOBSP->SetBits( (acT.CodeT)[ 239 mOBSP->SetBits( (acT.CodeT)[eobIdx], (acT.SizeT)[eobIdx] );
239 else 240 else
240 run++; 241 run++;
241 } 242 }
242 } 243 }
243 } 244 }
244 245
245 246
246 void 247 void
247 G4JpegCoder::Quantization(int cs) 248 G4JpegCoder::Quantization(int cs)
248 { 249 {
249 int* qt = (int*)(cs ? CQuantumT : YQuantumT) 250 int* qt = (int*)(cs ? CQuantumT : YQuantumT);
250 for( int i=0; i<64; i++ ){ 251 for( int i=0; i<64; i++ ){
251 mDCTData[i] /= qt[i]; 252 mDCTData[i] /= qt[i];
252 } 253 }
253 } 254 }
254 255
255 256
256 void 257 void
257 G4JpegCoder::ForwardDCT(int* picData) 258 G4JpegCoder::ForwardDCT(int* picData)
258 { 259 {
259 for( int v=0; v<8; v++ ){ 260 for( int v=0; v<8; v++ ){
260 double cv = v ? 1.0 : DisSqrt2; 261 double cv = v ? 1.0 : DisSqrt2;
261 for( int u=0; u<8; u++ ){ 262 for( int u=0; u<8; u++ ){
262 double cu = u ? 1.0 : DisSqrt2; 263 double cu = u ? 1.0 : DisSqrt2;
263 double sum = 0; 264 double sum = 0;
264 for( int y=0; y<8; y++ ) 265 for( int y=0; y<8; y++ )
265 for( int x=0; x<8; x++ ) 266 for( int x=0; x<8; x++ )
266 sum += picData[ y * 8 + x ] * mCosT[ 267 sum += picData[ y * 8 + x ] * mCosT[u][x] * mCosT[v][y];
267 mDCTData[ v * 8 + u ] = int( sum * cu * 268 mDCTData[ v * 8 + u ] = int( sum * cu * cv / 4 );
268 } 269 }
269 } 270 }
270 } 271 }
271 272
272 273
273 void 274 void
274 G4JpegCoder::WriteHeader( void ) 275 G4JpegCoder::WriteHeader( void )
275 { 276 {
276 int i = 0; //counter 277 int i = 0; //counter
277 //SOI 278 //SOI
278 mOBSP->SetByte( M_Marker ); //FF 279 mOBSP->SetByte( M_Marker ); //FF
279 mOBSP->SetByte( M_SOI ); //SOI 280 mOBSP->SetByte( M_SOI ); //SOI
280 281
281 //APP0(JFIF Header) 282 //APP0(JFIF Header)
282 mOBSP->SetByte( M_Marker ); //FF 283 mOBSP->SetByte( M_Marker ); //FF
283 mOBSP->SetByte( M_APP0 ); //APP0 284 mOBSP->SetByte( M_APP0 ); //APP0
284 mOBSP->SetWord( JFIFLength ); //param 285 mOBSP->SetWord( JFIFLength ); //parameter
285 mOBSP->CopyByte( (char*)JFIF, 5 ); //"JFIF 286 mOBSP->CopyByte( (char*)JFIF, 5 ); //"JFIF\0"
286 mOBSP->SetWord( JFIFVersion ); //Versi 287 mOBSP->SetWord( JFIFVersion ); //Version
287 mOBSP->SetByte( mProperty.Units ); 288 mOBSP->SetByte( mProperty.Units );
288 mOBSP->SetWord( mProperty.HDensity ); 289 mOBSP->SetWord( mProperty.HDensity );
289 mOBSP->SetWord( mProperty.VDensity ); 290 mOBSP->SetWord( mProperty.VDensity );
290 mOBSP->SetByte( 0 ); 291 mOBSP->SetByte( 0 );
291 mOBSP->SetByte( 0 ); 292 mOBSP->SetByte( 0 );
292 293
293 //comment 294 //comment
294 if( mProperty.Comment != 0 ){ 295 if( mProperty.Comment != 0 ){
295 mOBSP->SetByte( M_Marker ); //FF 296 mOBSP->SetByte( M_Marker ); //FF
296 mOBSP->SetByte( M_COM ); //comment 297 mOBSP->SetByte( M_COM ); //comment
297 int length = (int)strlen( mProperty.Commen << 298 int length = strlen( mProperty.Comment ) + 1;
298 mOBSP->SetWord( length + 2 ); 299 mOBSP->SetWord( length + 2 );
299 mOBSP->CopyByte( mProperty.Comment, length 300 mOBSP->CopyByte( mProperty.Comment, length );
300 } 301 }
301 302
302 //DQT 303 //DQT
303 mOBSP->SetByte( M_Marker ); 304 mOBSP->SetByte( M_Marker );
304 mOBSP->SetByte( M_DQT ); 305 mOBSP->SetByte( M_DQT );
305 mOBSP->SetWord( 67 ); 306 mOBSP->SetWord( 67 );
306 mOBSP->SetByte( 0 ); 307 mOBSP->SetByte( 0 );
307 for( i=0; i<64; i++ ) 308 for( i=0; i<64; i++ )
308 mOBSP->SetByte( u_char( YQuantumT[Zigz 309 mOBSP->SetByte( u_char( YQuantumT[Zigzag[i]] ) );
309 mOBSP->SetByte( M_Marker ); 310 mOBSP->SetByte( M_Marker );
310 mOBSP->SetByte( M_DQT ); 311 mOBSP->SetByte( M_DQT );
311 mOBSP->SetWord( 67 ); 312 mOBSP->SetWord( 67 );
312 mOBSP->SetByte( 1 ); 313 mOBSP->SetByte( 1 );
313 for( i=0; i<64; i++ ) 314 for( i=0; i<64; i++ )
314 mOBSP->SetByte( u_char( CQuantumT[Zigz 315 mOBSP->SetByte( u_char( CQuantumT[Zigzag[i]] ) );
315 // DHT 316 // DHT
316 mOBSP->CopyByte( (char*)YDcDht, DcDhtLength 317 mOBSP->CopyByte( (char*)YDcDht, DcDhtLength );
317 mOBSP->CopyByte( (char*)CDcDht, DcDhtLength 318 mOBSP->CopyByte( (char*)CDcDht, DcDhtLength );
318 mOBSP->CopyByte( (char*)YAcDht, AcDhtLength 319 mOBSP->CopyByte( (char*)YAcDht, AcDhtLength );
319 mOBSP->CopyByte( (char*)CAcDht, AcDhtLength 320 mOBSP->CopyByte( (char*)CAcDht, AcDhtLength );
320 321
321 // Frame Header 322 // Frame Header
322 mOBSP->SetByte( M_Marker ); // FF 323 mOBSP->SetByte( M_Marker ); // FF
323 mOBSP->SetByte( M_SOF0 ); 324 mOBSP->SetByte( M_SOF0 );
324 mOBSP->SetWord( 3 * mProperty.Dimension + 8 325 mOBSP->SetWord( 3 * mProperty.Dimension + 8 );
325 mOBSP->SetByte( mProperty.SamplePrecision ); 326 mOBSP->SetByte( mProperty.SamplePrecision );
326 mOBSP->SetWord( mProperty.nRow ); 327 mOBSP->SetWord( mProperty.nRow );
327 mOBSP->SetWord( mProperty.nColumn ); 328 mOBSP->SetWord( mProperty.nColumn );
328 mOBSP->SetByte( mProperty.Dimension ); 329 mOBSP->SetByte( mProperty.Dimension );
329 330
330 mOBSP->SetByte( 0 ); 331 mOBSP->SetByte( 0 );
331 mOBSP->SetByte( YSampleF ); 332 mOBSP->SetByte( YSampleF );
332 mOBSP->SetByte( 0 ); 333 mOBSP->SetByte( 0 );
333 334
334 mOBSP->SetByte( 1 ); 335 mOBSP->SetByte( 1 );
335 mOBSP->SetByte( CSampleF ); 336 mOBSP->SetByte( CSampleF );
336 337
337 mOBSP->SetByte( 1 ); 338 mOBSP->SetByte( 1 );
338 mOBSP->SetByte( 2 ); 339 mOBSP->SetByte( 2 );
339 mOBSP->SetByte( CSampleF ); 340 mOBSP->SetByte( CSampleF );
340 mOBSP->SetByte( 1 ); 341 mOBSP->SetByte( 1 );
341 342
342 //Scan Header 343 //Scan Header
343 mOBSP->SetByte( M_Marker ); 344 mOBSP->SetByte( M_Marker );
344 mOBSP->SetByte( M_SOS ); 345 mOBSP->SetByte( M_SOS );
345 mOBSP->SetWord( 2 * mProperty.Dimension + 6 346 mOBSP->SetWord( 2 * mProperty.Dimension + 6 );
346 mOBSP->SetByte( mProperty.Dimension ); 347 mOBSP->SetByte( mProperty.Dimension );
347 for( i=0; i<mProperty.Dimension; i++ ){ 348 for( i=0; i<mProperty.Dimension; i++ ){
348 mOBSP->SetByte( i ); 349 mOBSP->SetByte( i );
349 mOBSP->SetByte( i==0 ? 0 : 0x11 ); 350 mOBSP->SetByte( i==0 ? 0 : 0x11 );
350 } 351 }
351 mOBSP->SetByte( 0 ); //Ss 352 mOBSP->SetByte( 0 ); //Ss
352 mOBSP->SetByte( 63 ); //Se 353 mOBSP->SetByte( 63 ); //Se
353 mOBSP->SetByte( 0 ); //Ah,Al 354 mOBSP->SetByte( 0 ); //Ah,Al
354 } 355 }
355 356
356 //EOI 357 //EOI
357 void 358 void
358 G4JpegCoder::WriteEOI( void ) 359 G4JpegCoder::WriteEOI( void )
359 { 360 {
360 mOBSP->SetByte( M_Marker ); 361 mOBSP->SetByte( M_Marker );
361 mOBSP->SetByte( M_EOI ); 362 mOBSP->SetByte( M_EOI );
362 } 363 }
363 364
364 //SetJpegProperty 365 //SetJpegProperty
365 void 366 void
366 G4JpegCoder::SetJpegProperty(const G4JpegPrope 367 G4JpegCoder::SetJpegProperty(const G4JpegProperty& aProperty )
367 { 368 {
368 mProperty = aProperty; 369 mProperty = aProperty;
369 mProperty.Dimension = 3; 370 mProperty.Dimension = 3;
370 mProperty.SamplePrecision = 8; 371 mProperty.SamplePrecision = 8;
371 mProperty.Format = 1; 372 mProperty.Format = 1;
372 mProperty.MajorRevisions = 1; 373 mProperty.MajorRevisions = 1;
373 mProperty.MinorRevisions = 2; 374 mProperty.MinorRevisions = 2;
374 mProperty.HThumbnail = 0; 375 mProperty.HThumbnail = 0;
375 mProperty.VThumbnail = 0; 376 mProperty.VThumbnail = 0;
376 } 377 }
377 378