microsoft/onnxruntime-extensions
Publicmirrored fromhttps://github.com/microsoft/onnxruntime-extensionsAvailable
operators/vision/impl/jpeg_encoder_decoder.cc
765lines · modecode
| 1 | ///*M/////////////////////////////////////////////////////////////////////////////////////// |
| 2 | //// |
| 3 | //// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. |
| 4 | //// |
| 5 | //// By downloading, copying, installing or using the software you agree to this license. |
| 6 | //// If you do not agree to this license, do not download, install, |
| 7 | //// copy or use the software. |
| 8 | //// |
| 9 | //// |
| 10 | //// Intel License Agreement |
| 11 | //// For Open Source Computer Vision Library |
| 12 | //// |
| 13 | //// Copyright (C) 2000, Intel Corporation, all rights reserved. |
| 14 | //// Third party copyrights are property of their respective owners. |
| 15 | //// |
| 16 | //// Redistribution and use in source and binary forms, with or without modification, |
| 17 | //// are permitted provided that the following conditions are met: |
| 18 | //// |
| 19 | //// * Redistribution's of source code must retain the above copyright notice, |
| 20 | //// this list of conditions and the following disclaimer. |
| 21 | //// |
| 22 | //// * Redistribution's in binary form must reproduce the above copyright notice, |
| 23 | //// this list of conditions and the following disclaimer in the documentation |
| 24 | //// and/or other materials provided with the distribution. |
| 25 | //// |
| 26 | //// * The name of Intel Corporation may not be used to endorse or promote products |
| 27 | //// derived from this software without specific prior written permission. |
| 28 | //// |
| 29 | //// This software is provided by the copyright holders and contributors "as is" and |
| 30 | //// any express or implied warranties, including, but not limited to, the implied |
| 31 | //// warranties of merchantability and fitness for a particular purpose are disclaimed. |
| 32 | //// In no event shall the Intel Corporation or contributors be liable for any direct, |
| 33 | //// indirect, incidental, special, exemplary, or consequential damages |
| 34 | //// (including, but not limited to, procurement of substitute goods or services; |
| 35 | //// loss of use, data, or profits; or business interruption) however caused |
| 36 | //// and on any theory of liability, whether in contract, strict liability, |
| 37 | //// or tort (including negligence or otherwise) arising in any way out of |
| 38 | //// the use of this software, even if advised of the possibility of such damage. |
| 39 | //// |
| 40 | ////M*/ |
| 41 | // |
| 42 | // #include "precomp.hpp" |
| 43 | // #include "grfmt_jpeg.hpp" |
| 44 | // |
| 45 | // #ifdef HAVE_JPEG |
| 46 | // |
| 47 | // #ifdef _MSC_VER |
| 48 | ////interaction between '_setjmp' and C++ object destruction is non-portable |
| 49 | // #pragma warning(disable: 4611) |
| 50 | // #endif |
| 51 | // |
| 52 | // #include <stdio.h> |
| 53 | // #include <setjmp.h> |
| 54 | // |
| 55 | //// the following defines are a hack to avoid multiple problems with frame pointer handling and setjmp |
| 56 | //// see http://gcc.gnu.org/ml/gcc/2011-10/msg00324.html for some details |
| 57 | // #define mingw_getsp(...) 0 |
| 58 | // #define __builtin_frame_address(...) 0 |
| 59 | // |
| 60 | // #ifdef _WIN32 |
| 61 | // |
| 62 | // #define XMD_H // prevent redefinition of INT32 |
| 63 | // #undef FAR // prevent FAR redefinition |
| 64 | // |
| 65 | // #endif |
| 66 | // |
| 67 | // #if defined _WIN32 && defined __GNUC__ |
| 68 | // typedef unsigned char boolean; |
| 69 | // #endif |
| 70 | // |
| 71 | // #undef FALSE |
| 72 | // #undef TRUE |
| 73 | // |
| 74 | // extern "C" { |
| 75 | // #include "jpeglib.h" |
| 76 | // } |
| 77 | // |
| 78 | // #ifndef CV_MANUAL_JPEG_STD_HUFF_TABLES |
| 79 | // #if defined(LIBJPEG_TURBO_VERSION_NUMBER) && LIBJPEG_TURBO_VERSION_NUMBER >= 1003090 |
| 80 | // #define CV_MANUAL_JPEG_STD_HUFF_TABLES 0 // libjpeg-turbo handles standard huffman tables itself (jstdhuff.c) |
| 81 | // #else |
| 82 | // #define CV_MANUAL_JPEG_STD_HUFF_TABLES 1 |
| 83 | // #endif |
| 84 | // #endif |
| 85 | // #if CV_MANUAL_JPEG_STD_HUFF_TABLES == 0 |
| 86 | // #undef CV_MANUAL_JPEG_STD_HUFF_TABLES |
| 87 | // #endif |
| 88 | // |
| 89 | // namespace cv |
| 90 | //{ |
| 91 | // |
| 92 | // struct JpegErrorMgr |
| 93 | //{ |
| 94 | // struct jpeg_error_mgr pub; |
| 95 | // jmp_buf setjmp_buffer; |
| 96 | // }; |
| 97 | // |
| 98 | // struct JpegSource |
| 99 | //{ |
| 100 | // struct jpeg_source_mgr pub; |
| 101 | // int skip; |
| 102 | // }; |
| 103 | // |
| 104 | // struct JpegState |
| 105 | //{ |
| 106 | // jpeg_decompress_struct cinfo; // IJG JPEG codec structure |
| 107 | // JpegErrorMgr jerr; // error processing manager state |
| 108 | // JpegSource source; // memory buffer source |
| 109 | // }; |
| 110 | // |
| 111 | ///////////////////////// Error processing ///////////////////// |
| 112 | // |
| 113 | // METHODDEF(void) |
| 114 | // stub(j_decompress_ptr) |
| 115 | //{ |
| 116 | //} |
| 117 | // |
| 118 | // METHODDEF(boolean) |
| 119 | // fill_input_buffer(j_decompress_ptr) |
| 120 | //{ |
| 121 | // return FALSE; |
| 122 | //} |
| 123 | // |
| 124 | //// emulating memory input stream |
| 125 | // |
| 126 | // METHODDEF(void) |
| 127 | // skip_input_data(j_decompress_ptr cinfo, long num_bytes) |
| 128 | //{ |
| 129 | // JpegSource* source = (JpegSource*) cinfo->src; |
| 130 | // |
| 131 | // if( num_bytes > (long)source->pub.bytes_in_buffer ) |
| 132 | // { |
| 133 | // // We need to skip more data than we have in the buffer. |
| 134 | // // This will force the JPEG library to suspend decoding. |
| 135 | // source->skip = (int)(num_bytes - source->pub.bytes_in_buffer); |
| 136 | // source->pub.next_input_byte += source->pub.bytes_in_buffer; |
| 137 | // source->pub.bytes_in_buffer = 0; |
| 138 | // } |
| 139 | // else |
| 140 | // { |
| 141 | // // Skip portion of the buffer |
| 142 | // source->pub.bytes_in_buffer -= num_bytes; |
| 143 | // source->pub.next_input_byte += num_bytes; |
| 144 | // source->skip = 0; |
| 145 | // } |
| 146 | //} |
| 147 | // |
| 148 | // |
| 149 | // static void jpeg_buffer_src(j_decompress_ptr cinfo, JpegSource* source) |
| 150 | //{ |
| 151 | // cinfo->src = &source->pub; |
| 152 | // |
| 153 | // // Prepare for suspending reader |
| 154 | // source->pub.init_source = stub; |
| 155 | // source->pub.fill_input_buffer = fill_input_buffer; |
| 156 | // source->pub.skip_input_data = skip_input_data; |
| 157 | // source->pub.resync_to_restart = jpeg_resync_to_restart; |
| 158 | // source->pub.term_source = stub; |
| 159 | // source->pub.bytes_in_buffer = 0; // forces fill_input_buffer on first read |
| 160 | // |
| 161 | // source->skip = 0; |
| 162 | //} |
| 163 | // |
| 164 | // |
| 165 | // METHODDEF(void) |
| 166 | // error_exit( j_common_ptr cinfo ) |
| 167 | //{ |
| 168 | // JpegErrorMgr* err_mgr = (JpegErrorMgr*)(cinfo->err); |
| 169 | // |
| 170 | // /* Return control to the setjmp point */ |
| 171 | // longjmp( err_mgr->setjmp_buffer, 1 ); |
| 172 | //} |
| 173 | // |
| 174 | // |
| 175 | ///////////////////////// JpegDecoder /////////////////// |
| 176 | // |
| 177 | // |
| 178 | // JpegDecoder::JpegDecoder() |
| 179 | //{ |
| 180 | // m_signature = "\xFF\xD8\xFF"; |
| 181 | // m_state = 0; |
| 182 | // m_f = 0; |
| 183 | // m_buf_supported = true; |
| 184 | //} |
| 185 | // |
| 186 | // |
| 187 | // JpegDecoder::~JpegDecoder() |
| 188 | //{ |
| 189 | // close(); |
| 190 | //} |
| 191 | // |
| 192 | // |
| 193 | // void JpegDecoder::close() |
| 194 | //{ |
| 195 | // if( m_state ) |
| 196 | // { |
| 197 | // JpegState* state = (JpegState*)m_state; |
| 198 | // jpeg_destroy_decompress( &state->cinfo ); |
| 199 | // delete state; |
| 200 | // m_state = 0; |
| 201 | // } |
| 202 | // |
| 203 | // if( m_f ) |
| 204 | // { |
| 205 | // fclose( m_f ); |
| 206 | // m_f = 0; |
| 207 | // } |
| 208 | // |
| 209 | // m_width = m_height = 0; |
| 210 | // m_type = -1; |
| 211 | //} |
| 212 | // |
| 213 | // ImageDecoder JpegDecoder::newDecoder() const |
| 214 | //{ |
| 215 | // return makePtr<JpegDecoder>(); |
| 216 | //} |
| 217 | // |
| 218 | // bool JpegDecoder::readHeader() |
| 219 | //{ |
| 220 | // volatile bool result = false; |
| 221 | // close(); |
| 222 | // |
| 223 | // JpegState* state = new JpegState; |
| 224 | // m_state = state; |
| 225 | // state->cinfo.err = jpeg_std_error(&state->jerr.pub); |
| 226 | // state->jerr.pub.error_exit = error_exit; |
| 227 | // |
| 228 | // if( setjmp( state->jerr.setjmp_buffer ) == 0 ) |
| 229 | // { |
| 230 | // jpeg_create_decompress( &state->cinfo ); |
| 231 | // |
| 232 | // if( !m_buf.empty() ) |
| 233 | // { |
| 234 | // jpeg_buffer_src(&state->cinfo, &state->source); |
| 235 | // state->source.pub.next_input_byte = m_buf.ptr(); |
| 236 | // state->source.pub.bytes_in_buffer = m_buf.cols*m_buf.rows*m_buf.elemSize(); |
| 237 | // } |
| 238 | // else |
| 239 | // { |
| 240 | // m_f = fopen( m_filename.c_str(), "rb" ); |
| 241 | // if( m_f ) |
| 242 | // jpeg_stdio_src( &state->cinfo, m_f ); |
| 243 | // } |
| 244 | // |
| 245 | // if (state->cinfo.src != 0) |
| 246 | // { |
| 247 | // jpeg_save_markers(&state->cinfo, APP1, 0xffff); |
| 248 | // jpeg_read_header( &state->cinfo, TRUE ); |
| 249 | // |
| 250 | // state->cinfo.scale_num=1; |
| 251 | // state->cinfo.scale_denom = m_scale_denom; |
| 252 | // m_scale_denom=1; // trick! to know which decoder used scale_denom see imread_ |
| 253 | // jpeg_calc_output_dimensions(&state->cinfo); |
| 254 | // m_width = state->cinfo.output_width; |
| 255 | // m_height = state->cinfo.output_height; |
| 256 | // m_type = state->cinfo.num_components > 1 ? CV_8UC3 : CV_8UC1; |
| 257 | // result = true; |
| 258 | // } |
| 259 | // } |
| 260 | // |
| 261 | // if( !result ) |
| 262 | // close(); |
| 263 | // |
| 264 | // return result; |
| 265 | //} |
| 266 | // |
| 267 | // #ifdef CV_MANUAL_JPEG_STD_HUFF_TABLES |
| 268 | ///*************************************************************************** |
| 269 | // * following code is for supporting MJPEG image files |
| 270 | // * based on a message of Laurent Pinchart on the video4linux mailing list |
| 271 | // ***************************************************************************/ |
| 272 | // |
| 273 | ///* JPEG DHT Segment for YCrCb omitted from MJPEG data */ |
| 274 | // static |
| 275 | // unsigned char my_jpeg_odml_dht[0x1a4] = { |
| 276 | // 0xff, 0xc4, 0x01, 0xa2, |
| 277 | // |
| 278 | // 0x00, 0x00, 0x01, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, |
| 279 | // 0x00, 0x00, 0x00, 0x00, 0x00, |
| 280 | // 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, |
| 281 | // |
| 282 | // 0x01, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, |
| 283 | // 0x00, 0x00, 0x00, 0x00, 0x00, |
| 284 | // 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, |
| 285 | // |
| 286 | // 0x10, 0x00, 0x02, 0x01, 0x03, 0x03, 0x02, 0x04, 0x03, 0x05, 0x05, 0x04, |
| 287 | // 0x04, 0x00, 0x00, 0x01, 0x7d, |
| 288 | // 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, |
| 289 | // 0x13, 0x51, 0x61, 0x07, |
| 290 | // 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, 0x23, 0x42, 0xb1, 0xc1, |
| 291 | // 0x15, 0x52, 0xd1, 0xf0, |
| 292 | // 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, 0x17, 0x18, 0x19, 0x1a, |
| 293 | // 0x25, 0x26, 0x27, 0x28, |
| 294 | // 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, |
| 295 | // 0x46, 0x47, 0x48, 0x49, |
| 296 | // 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, |
| 297 | // 0x66, 0x67, 0x68, 0x69, |
| 298 | // 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x83, 0x84, 0x85, |
| 299 | // 0x86, 0x87, 0x88, 0x89, |
| 300 | // 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, |
| 301 | // 0xa4, 0xa5, 0xa6, 0xa7, |
| 302 | // 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, |
| 303 | // 0xc2, 0xc3, 0xc4, 0xc5, |
| 304 | // 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, |
| 305 | // 0xd9, 0xda, 0xe1, 0xe2, |
| 306 | // 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, |
| 307 | // 0xf5, 0xf6, 0xf7, 0xf8, |
| 308 | // 0xf9, 0xfa, |
| 309 | // |
| 310 | // 0x11, 0x00, 0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04, 0x07, 0x05, 0x04, |
| 311 | // 0x04, 0x00, 0x01, 0x02, 0x77, |
| 312 | // 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, |
| 313 | // 0x51, 0x07, 0x61, 0x71, |
| 314 | // 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xa1, 0xb1, 0xc1, 0x09, |
| 315 | // 0x23, 0x33, 0x52, 0xf0, |
| 316 | // 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25, 0xf1, 0x17, |
| 317 | // 0x18, 0x19, 0x1a, 0x26, |
| 318 | // 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, |
| 319 | // 0x45, 0x46, 0x47, 0x48, |
| 320 | // 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, |
| 321 | // 0x65, 0x66, 0x67, 0x68, |
| 322 | // 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x82, 0x83, |
| 323 | // 0x84, 0x85, 0x86, 0x87, |
| 324 | // 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, |
| 325 | // 0xa2, 0xa3, 0xa4, 0xa5, |
| 326 | // 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, |
| 327 | // 0xb9, 0xba, 0xc2, 0xc3, |
| 328 | // 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, |
| 329 | // 0xd7, 0xd8, 0xd9, 0xda, |
| 330 | // 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf2, 0xf3, 0xf4, |
| 331 | // 0xf5, 0xf6, 0xf7, 0xf8, |
| 332 | // 0xf9, 0xfa |
| 333 | // }; |
| 334 | // |
| 335 | ///* |
| 336 | // * Parse the DHT table. |
| 337 | // * This code comes from jpeg6b (jdmarker.c). |
| 338 | // */ |
| 339 | // static |
| 340 | // int my_jpeg_load_dht (struct jpeg_decompress_struct *info, unsigned char *dht, |
| 341 | // JHUFF_TBL *ac_tables[], JHUFF_TBL *dc_tables[]) |
| 342 | //{ |
| 343 | // unsigned int length = (dht[2] << 8) + dht[3] - 2; |
| 344 | // unsigned int pos = 4; |
| 345 | // unsigned int count, i; |
| 346 | // int index; |
| 347 | // |
| 348 | // JHUFF_TBL **hufftbl; |
| 349 | // unsigned char bits[17]; |
| 350 | // unsigned char huffval[256] = {0}; |
| 351 | // |
| 352 | // while (length > 16) |
| 353 | // { |
| 354 | // bits[0] = 0; |
| 355 | // index = dht[pos++]; |
| 356 | // count = 0; |
| 357 | // for (i = 1; i <= 16; ++i) |
| 358 | // { |
| 359 | // bits[i] = dht[pos++]; |
| 360 | // count += bits[i]; |
| 361 | // } |
| 362 | // length -= 17; |
| 363 | // |
| 364 | // if (count > 256 || count > length) |
| 365 | // return -1; |
| 366 | // |
| 367 | // for (i = 0; i < count; ++i) |
| 368 | // huffval[i] = dht[pos++]; |
| 369 | // length -= count; |
| 370 | // |
| 371 | // if (index & 0x10) |
| 372 | // { |
| 373 | // index &= ~0x10; |
| 374 | // hufftbl = &ac_tables[index]; |
| 375 | // } |
| 376 | // else |
| 377 | // hufftbl = &dc_tables[index]; |
| 378 | // |
| 379 | // if (index < 0 || index >= NUM_HUFF_TBLS) |
| 380 | // return -1; |
| 381 | // |
| 382 | // if (*hufftbl == NULL) |
| 383 | // *hufftbl = jpeg_alloc_huff_table ((j_common_ptr)info); |
| 384 | // if (*hufftbl == NULL) |
| 385 | // return -1; |
| 386 | // |
| 387 | // memcpy ((*hufftbl)->bits, bits, sizeof (*hufftbl)->bits); |
| 388 | // memcpy ((*hufftbl)->huffval, huffval, sizeof (*hufftbl)->huffval); |
| 389 | // } |
| 390 | // |
| 391 | // if (length != 0) |
| 392 | // return -1; |
| 393 | // |
| 394 | // return 0; |
| 395 | //} |
| 396 | // |
| 397 | ///*************************************************************************** |
| 398 | // * end of code for supportting MJPEG image files |
| 399 | // * based on a message of Laurent Pinchart on the video4linux mailing list |
| 400 | // ***************************************************************************/ |
| 401 | // #endif // CV_MANUAL_JPEG_STD_HUFF_TABLES |
| 402 | // |
| 403 | // bool JpegDecoder::readData( Mat& img ) |
| 404 | //{ |
| 405 | // volatile bool result = false; |
| 406 | // size_t step = img.step; |
| 407 | // bool color = img.channels() > 1; |
| 408 | // |
| 409 | // if( m_state && m_width && m_height ) |
| 410 | // { |
| 411 | // jpeg_decompress_struct* cinfo = &((JpegState*)m_state)->cinfo; |
| 412 | // JpegErrorMgr* jerr = &((JpegState*)m_state)->jerr; |
| 413 | // JSAMPARRAY buffer = 0; |
| 414 | // |
| 415 | // if( setjmp( jerr->setjmp_buffer ) == 0 ) |
| 416 | // { |
| 417 | // #ifdef CV_MANUAL_JPEG_STD_HUFF_TABLES |
| 418 | // /* check if this is a mjpeg image format */ |
| 419 | // if ( cinfo->ac_huff_tbl_ptrs[0] == NULL && |
| 420 | // cinfo->ac_huff_tbl_ptrs[1] == NULL && |
| 421 | // cinfo->dc_huff_tbl_ptrs[0] == NULL && |
| 422 | // cinfo->dc_huff_tbl_ptrs[1] == NULL ) |
| 423 | // { |
| 424 | // /* yes, this is a mjpeg image format, so load the correct |
| 425 | // huffman table */ |
| 426 | // my_jpeg_load_dht( cinfo, |
| 427 | // my_jpeg_odml_dht, |
| 428 | // cinfo->ac_huff_tbl_ptrs, |
| 429 | // cinfo->dc_huff_tbl_ptrs ); |
| 430 | // } |
| 431 | // #endif |
| 432 | // |
| 433 | // if( color ) |
| 434 | // { |
| 435 | // if( cinfo->num_components != 4 ) |
| 436 | // { |
| 437 | // cinfo->out_color_space = JCS_RGB; |
| 438 | // cinfo->out_color_components = 3; |
| 439 | // } |
| 440 | // else |
| 441 | // { |
| 442 | // cinfo->out_color_space = JCS_CMYK; |
| 443 | // cinfo->out_color_components = 4; |
| 444 | // } |
| 445 | // } |
| 446 | // else |
| 447 | // { |
| 448 | // if( cinfo->num_components != 4 ) |
| 449 | // { |
| 450 | // cinfo->out_color_space = JCS_GRAYSCALE; |
| 451 | // cinfo->out_color_components = 1; |
| 452 | // } |
| 453 | // else |
| 454 | // { |
| 455 | // cinfo->out_color_space = JCS_CMYK; |
| 456 | // cinfo->out_color_components = 4; |
| 457 | // } |
| 458 | // } |
| 459 | // |
| 460 | // // Check for Exif marker APP1 |
| 461 | // jpeg_saved_marker_ptr exif_marker = NULL; |
| 462 | // jpeg_saved_marker_ptr cmarker = cinfo->marker_list; |
| 463 | // while( cmarker && exif_marker == NULL ) |
| 464 | // { |
| 465 | // if (cmarker->marker == APP1) |
| 466 | // exif_marker = cmarker; |
| 467 | // |
| 468 | // cmarker = cmarker->next; |
| 469 | // } |
| 470 | // |
| 471 | // // Parse Exif data |
| 472 | // if( exif_marker ) |
| 473 | // { |
| 474 | // const std::streamsize offsetToTiffHeader = 6; //bytes from Exif size field to the first TIFF header |
| 475 | // |
| 476 | // if (exif_marker->data_length > offsetToTiffHeader) |
| 477 | // { |
| 478 | // m_exif.parseExif(exif_marker->data + offsetToTiffHeader, exif_marker->data_length - offsetToTiffHeader); |
| 479 | // } |
| 480 | // } |
| 481 | // |
| 482 | // |
| 483 | // jpeg_start_decompress( cinfo ); |
| 484 | // |
| 485 | // buffer = (*cinfo->mem->alloc_sarray)((j_common_ptr)cinfo, |
| 486 | // JPOOL_IMAGE, m_width*4, 1 ); |
| 487 | // |
| 488 | // uchar* data = img.ptr(); |
| 489 | // for( ; m_height--; data += step ) |
| 490 | // { |
| 491 | // jpeg_read_scanlines( cinfo, buffer, 1 ); |
| 492 | // if( color ) |
| 493 | // { |
| 494 | // if( cinfo->out_color_components == 3 ) |
| 495 | // icvCvt_RGB2BGR_8u_C3R( buffer[0], 0, data, 0, Size(m_width,1) ); |
| 496 | // else |
| 497 | // icvCvt_CMYK2BGR_8u_C4C3R( buffer[0], 0, data, 0, Size(m_width,1) ); |
| 498 | // } |
| 499 | // else |
| 500 | // { |
| 501 | // if( cinfo->out_color_components == 1 ) |
| 502 | // memcpy( data, buffer[0], m_width ); |
| 503 | // else |
| 504 | // icvCvt_CMYK2Gray_8u_C4C1R( buffer[0], 0, data, 0, Size(m_width,1) ); |
| 505 | // } |
| 506 | // } |
| 507 | // |
| 508 | // result = true; |
| 509 | // jpeg_finish_decompress( cinfo ); |
| 510 | // } |
| 511 | // } |
| 512 | // |
| 513 | // close(); |
| 514 | // return result; |
| 515 | //} |
| 516 | // |
| 517 | // |
| 518 | ///////////////////////// JpegEncoder /////////////////// |
| 519 | // |
| 520 | // struct JpegDestination |
| 521 | //{ |
| 522 | // struct jpeg_destination_mgr pub; |
| 523 | // std::vector<uchar> *buf, *dst; |
| 524 | //}; |
| 525 | // |
| 526 | // METHODDEF(void) |
| 527 | // stub(j_compress_ptr) |
| 528 | //{ |
| 529 | //} |
| 530 | // |
| 531 | // METHODDEF(void) |
| 532 | // term_destination (j_compress_ptr cinfo) |
| 533 | //{ |
| 534 | // JpegDestination* dest = (JpegDestination*)cinfo->dest; |
| 535 | // size_t sz = dest->dst->size(), bufsz = dest->buf->size() - dest->pub.free_in_buffer; |
| 536 | // if( bufsz > 0 ) |
| 537 | // { |
| 538 | // dest->dst->resize(sz + bufsz); |
| 539 | // memcpy( &(*dest->dst)[0] + sz, &(*dest->buf)[0], bufsz); |
| 540 | // } |
| 541 | //} |
| 542 | // |
| 543 | // METHODDEF(boolean) |
| 544 | // empty_output_buffer (j_compress_ptr cinfo) |
| 545 | //{ |
| 546 | // JpegDestination* dest = (JpegDestination*)cinfo->dest; |
| 547 | // size_t sz = dest->dst->size(), bufsz = dest->buf->size(); |
| 548 | // dest->dst->resize(sz + bufsz); |
| 549 | // memcpy( &(*dest->dst)[0] + sz, &(*dest->buf)[0], bufsz); |
| 550 | // |
| 551 | // dest->pub.next_output_byte = &(*dest->buf)[0]; |
| 552 | // dest->pub.free_in_buffer = bufsz; |
| 553 | // return TRUE; |
| 554 | //} |
| 555 | // |
| 556 | // static void jpeg_buffer_dest(j_compress_ptr cinfo, JpegDestination* destination) |
| 557 | //{ |
| 558 | // cinfo->dest = &destination->pub; |
| 559 | // |
| 560 | // destination->pub.init_destination = stub; |
| 561 | // destination->pub.empty_output_buffer = empty_output_buffer; |
| 562 | // destination->pub.term_destination = term_destination; |
| 563 | //} |
| 564 | // |
| 565 | // |
| 566 | // JpegEncoder::JpegEncoder() |
| 567 | //{ |
| 568 | // m_description = "JPEG files (*.jpeg;*.jpg;*.jpe)"; |
| 569 | // m_buf_supported = true; |
| 570 | //} |
| 571 | // |
| 572 | // |
| 573 | // JpegEncoder::~JpegEncoder() |
| 574 | //{ |
| 575 | //} |
| 576 | // |
| 577 | // ImageEncoder JpegEncoder::newEncoder() const |
| 578 | //{ |
| 579 | // return makePtr<JpegEncoder>(); |
| 580 | //} |
| 581 | // |
| 582 | // bool JpegEncoder::write( const Mat& img, const std::vector<int>& params ) |
| 583 | //{ |
| 584 | // m_last_error.clear(); |
| 585 | // |
| 586 | // struct fileWrapper |
| 587 | // { |
| 588 | // FILE* f; |
| 589 | // |
| 590 | // fileWrapper() : f(0) {} |
| 591 | // ~fileWrapper() { if(f) fclose(f); } |
| 592 | // }; |
| 593 | // volatile bool result = false; |
| 594 | // fileWrapper fw; |
| 595 | // int width = img.cols, height = img.rows; |
| 596 | // |
| 597 | // std::vector<uchar> out_buf(1 << 12); |
| 598 | // AutoBuffer<uchar> _buffer; |
| 599 | // uchar* buffer; |
| 600 | // |
| 601 | // struct jpeg_compress_struct cinfo; |
| 602 | // JpegErrorMgr jerr; |
| 603 | // JpegDestination dest; |
| 604 | // |
| 605 | // jpeg_create_compress(&cinfo); |
| 606 | // cinfo.err = jpeg_std_error(&jerr.pub); |
| 607 | // jerr.pub.error_exit = error_exit; |
| 608 | // |
| 609 | // if( !m_buf ) |
| 610 | // { |
| 611 | // fw.f = fopen( m_filename.c_str(), "wb" ); |
| 612 | // if( !fw.f ) |
| 613 | // goto _exit_; |
| 614 | // jpeg_stdio_dest( &cinfo, fw.f ); |
| 615 | // } |
| 616 | // else |
| 617 | // { |
| 618 | // dest.dst = m_buf; |
| 619 | // dest.buf = &out_buf; |
| 620 | // |
| 621 | // jpeg_buffer_dest( &cinfo, &dest ); |
| 622 | // |
| 623 | // dest.pub.next_output_byte = &out_buf[0]; |
| 624 | // dest.pub.free_in_buffer = out_buf.size(); |
| 625 | // } |
| 626 | // |
| 627 | // if( setjmp( jerr.setjmp_buffer ) == 0 ) |
| 628 | // { |
| 629 | // cinfo.image_width = width; |
| 630 | // cinfo.image_height = height; |
| 631 | // |
| 632 | // int _channels = img.channels(); |
| 633 | // int channels = _channels > 1 ? 3 : 1; |
| 634 | // cinfo.input_components = channels; |
| 635 | // cinfo.in_color_space = channels > 1 ? JCS_RGB : JCS_GRAYSCALE; |
| 636 | // |
| 637 | // int quality = 95; |
| 638 | // int progressive = 0; |
| 639 | // int optimize = 0; |
| 640 | // int rst_interval = 0; |
| 641 | // int luma_quality = -1; |
| 642 | // int chroma_quality = -1; |
| 643 | // |
| 644 | // for( size_t i = 0; i < params.size(); i += 2 ) |
| 645 | // { |
| 646 | // if( params[i] == CV_IMWRITE_JPEG_QUALITY ) |
| 647 | // { |
| 648 | // quality = params[i+1]; |
| 649 | // quality = MIN(MAX(quality, 0), 100); |
| 650 | // } |
| 651 | // |
| 652 | // if( params[i] == CV_IMWRITE_JPEG_PROGRESSIVE ) |
| 653 | // { |
| 654 | // progressive = params[i+1]; |
| 655 | // } |
| 656 | // |
| 657 | // if( params[i] == CV_IMWRITE_JPEG_OPTIMIZE ) |
| 658 | // { |
| 659 | // optimize = params[i+1]; |
| 660 | // } |
| 661 | // |
| 662 | // if( params[i] == CV_IMWRITE_JPEG_LUMA_QUALITY ) |
| 663 | // { |
| 664 | // if (params[i+1] >= 0) |
| 665 | // { |
| 666 | // luma_quality = MIN(MAX(params[i+1], 0), 100); |
| 667 | // |
| 668 | // quality = luma_quality; |
| 669 | // |
| 670 | // if (chroma_quality < 0) |
| 671 | // { |
| 672 | // chroma_quality = luma_quality; |
| 673 | // } |
| 674 | // } |
| 675 | // } |
| 676 | // |
| 677 | // if( params[i] == CV_IMWRITE_JPEG_CHROMA_QUALITY ) |
| 678 | // { |
| 679 | // if (params[i+1] >= 0) |
| 680 | // { |
| 681 | // chroma_quality = MIN(MAX(params[i+1], 0), 100); |
| 682 | // } |
| 683 | // } |
| 684 | // |
| 685 | // if( params[i] == CV_IMWRITE_JPEG_RST_INTERVAL ) |
| 686 | // { |
| 687 | // rst_interval = params[i+1]; |
| 688 | // rst_interval = MIN(MAX(rst_interval, 0), 65535L); |
| 689 | // } |
| 690 | // } |
| 691 | // |
| 692 | // jpeg_set_defaults( &cinfo ); |
| 693 | // cinfo.restart_interval = rst_interval; |
| 694 | // |
| 695 | // jpeg_set_quality( &cinfo, quality, |
| 696 | // TRUE /* limit to baseline-JPEG values */ ); |
| 697 | // if( progressive ) |
| 698 | // jpeg_simple_progression( &cinfo ); |
| 699 | // if( optimize ) |
| 700 | // cinfo.optimize_coding = TRUE; |
| 701 | // |
| 702 | // #if JPEG_LIB_VERSION >= 70 |
| 703 | // if (luma_quality >= 0 && chroma_quality >= 0) |
| 704 | // { |
| 705 | // cinfo.q_scale_factor[0] = jpeg_quality_scaling(luma_quality); |
| 706 | // cinfo.q_scale_factor[1] = jpeg_quality_scaling(chroma_quality); |
| 707 | // if ( luma_quality != chroma_quality ) |
| 708 | // { |
| 709 | // /* disable subsampling - ref. Libjpeg.txt */ |
| 710 | // cinfo.comp_info[0].v_samp_factor = 1; |
| 711 | // cinfo.comp_info[0].h_samp_factor = 1; |
| 712 | // cinfo.comp_info[1].v_samp_factor = 1; |
| 713 | // cinfo.comp_info[1].h_samp_factor = 1; |
| 714 | // } |
| 715 | // jpeg_default_qtables( &cinfo, TRUE ); |
| 716 | // } |
| 717 | // #endif // #if JPEG_LIB_VERSION >= 70 |
| 718 | // |
| 719 | // jpeg_start_compress( &cinfo, TRUE ); |
| 720 | // |
| 721 | // if( channels > 1 ) |
| 722 | // _buffer.allocate(width*channels); |
| 723 | // buffer = _buffer.data(); |
| 724 | // |
| 725 | // for( int y = 0; y < height; y++ ) |
| 726 | // { |
| 727 | // uchar *data = img.data + img.step*y, *ptr = data; |
| 728 | // |
| 729 | // if( _channels == 3 ) |
| 730 | // { |
| 731 | // icvCvt_BGR2RGB_8u_C3R( data, 0, buffer, 0, Size(width,1) ); |
| 732 | // ptr = buffer; |
| 733 | // } |
| 734 | // else if( _channels == 4 ) |
| 735 | // { |
| 736 | // icvCvt_BGRA2BGR_8u_C4C3R( data, 0, buffer, 0, Size(width,1), 2 ); |
| 737 | // ptr = buffer; |
| 738 | // } |
| 739 | // |
| 740 | // jpeg_write_scanlines( &cinfo, &ptr, 1 ); |
| 741 | // } |
| 742 | // |
| 743 | // jpeg_finish_compress( &cinfo ); |
| 744 | // result = true; |
| 745 | // } |
| 746 | // |
| 747 | //_exit_: |
| 748 | // |
| 749 | // if(!result) |
| 750 | // { |
| 751 | // char jmsg_buf[JMSG_LENGTH_MAX]; |
| 752 | // jerr.pub.format_message((j_common_ptr)&cinfo, jmsg_buf); |
| 753 | // m_last_error = jmsg_buf; |
| 754 | // } |
| 755 | // |
| 756 | // jpeg_destroy_compress( &cinfo ); |
| 757 | // |
| 758 | // return result; |
| 759 | //} |
| 760 | // |
| 761 | //} |
| 762 | // |
| 763 | // #endif |
| 764 | // |
| 765 | ///* End of file. */ |
| 766 | |