jpeg/mm_util_jpeg.c

   1 /*
   2  * libmm-utility
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: YoungHun Kim <yh8004.kim@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *ranklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  *
  21  */
  22
  23 #include <stdio.h>
  24 #include <unistd.h> /* fsync() */
  25 #include <jpeglib.h>
  26
  27 #include <setjmp.h>
  28 #include <glib.h>
  29 #include "mm_util_jpeg.h"
  30 #include "mm_util_imgp.h"
  31 #include "mm_util_private.h"
  32
  33 /* maximum width of encoding */
  34 #define ENC_MAX_LEN 8192
  35
  36 struct my_error_mgr_s {
  37         struct jpeg_error_mgr pub; /* "public" fields */
  38         jmp_buf setjmp_buffer; /* for return to caller */
  39 } my_error_mgr_s;
  40
  41 typedef struct my_error_mgr_s *my_error_ptr;
  42
  43 static void __my_error_exit(j_common_ptr cinfo)
  44 {
  45         my_error_ptr myerr = (my_error_ptr) cinfo->err; /* cinfo->err really points to a my_error_mgr_s struct, so coerce pointer */
  46         (*cinfo->err->output_message) (cinfo); /* Always display the message. We could postpone this until after returning, if we chose. */
  47         longjmp(myerr->setjmp_buffer, 1); /* Return control to the setjmp point */
  48 }
  49
  50 typedef enum {
  51         MM_UTIL_JPEG_FILE,
  52         MM_UTIL_JPEG_MEM,
  53 } mm_util_jpeg_cont_format_e;
  54
  55 static gboolean __is_supported_color_format_with_libjpeg(mm_util_color_format_e color_format)
  56 {
  57         gboolean _bool = FALSE;
  58
  59         if (color_format == MM_UTIL_COLOR_RGB24 ||
  60                 color_format == MM_UTIL_COLOR_RGBA ||
  61                 color_format == MM_UTIL_COLOR_BGRA ||
  62                 color_format == MM_UTIL_COLOR_ARGB ||
  63                 color_format == MM_UTIL_COLOR_YUV420 ||
  64                 color_format == MM_UTIL_COLOR_YUV422 ||
  65                 color_format == MM_UTIL_COLOR_UYVY ||
  66                 color_format == MM_UTIL_COLOR_GRAYSCALE) {
  67                 _bool = TRUE;
  68         }
  69
  70         if (!_bool)
  71                 mm_util_error("not supported color format %d", color_format);
  72
  73         return _bool;
  74 }
  75
  76 static gboolean _mm_util_is_supported_color_format(mm_util_color_format_e color_format)
  77 {
  78         gboolean _bool = FALSE;
  79
  80         if (__is_supported_color_format_with_libjpeg(color_format) ||
  81                 color_format == MM_UTIL_COLOR_NV12) {
  82                 _bool = TRUE;
  83         }
  84
  85         if (!_bool)
  86                 mm_util_error("not supported color format %d", color_format);
  87
  88         return _bool;
  89 }
  90
  91 static int __mm_image_encode_with_libjpeg(mm_util_jpeg_cont_format_e control_format, mm_util_image_h decoded, int quality, FILE *fp, void **mem, size_t *csize)
  92 {
  93         int ret = MM_UTIL_ERROR_NONE;
  94         mm_image_info_s *_decoded = (mm_image_info_s *)decoded;
  95
  96         mm_util_retvm_if((control_format != MM_UTIL_JPEG_FILE) && (control_format != MM_UTIL_JPEG_MEM), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid control_format [%u]", control_format);
  97         mm_util_retvm_if((control_format == MM_UTIL_JPEG_FILE) && (fp == NULL), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid fp");
  98         mm_util_retvm_if((control_format == MM_UTIL_JPEG_MEM) && ((mem == NULL) || (csize == NULL)), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid src or csize");
  99         mm_util_retvm_if(!IS_VALID_IMAGE(decoded), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid image");
 100
 101         JSAMPROW y[16], cb[16], cr[16]; /* y[2][5] = color sample of row 2 and pixel column 5; (one plane) */
 102         JSAMPARRAY data[3]; /* t[0][2][5] = color sample 0 of row 2 and column 5 */
 103
 104         struct jpeg_compress_struct cinfo;
 105         struct jpeg_error_mgr jerr;
 106         int i, j, flag, _width, _height;
 107         unsigned long size = 0;
 108
 109         data[0] = y;
 110         data[1] = cb;
 111         data[2] = cr;
 112
 113         mm_util_debug("quality[%d]", quality);
 114
 115         cinfo.err = jpeg_std_error(&jerr); /*  Errors get written to stderr */
 116
 117         jpeg_create_compress(&cinfo);
 118
 119         if (control_format == MM_UTIL_JPEG_FILE) {
 120                 jpeg_stdio_dest(&cinfo, fp);
 121                 mm_util_debug("jpeg_stdio_dest");
 122         } else {
 123                 jpeg_mem_dest(&cinfo, (unsigned char **)mem, &size);
 124                 mm_util_debug("jpeg_mem_dest");
 125         }
 126
 127         _width = cinfo.image_width = _decoded->width;
 128         _height = cinfo.image_height = _decoded->height;
 129         if (_decoded->color == MM_UTIL_COLOR_YUV420 || _decoded->color == MM_UTIL_COLOR_YUV422 || _decoded->color == MM_UTIL_COLOR_UYVY) {
 130                 flag = cinfo.image_height - MM_UTIL_ROUND_DOWN_16(_height);
 131
 132                 cinfo.input_components = 3;
 133                 cinfo.in_color_space = JCS_YCbCr;
 134                 jpeg_set_defaults(&cinfo);
 135                 mm_util_debug("jpeg_set_defaults");
 136
 137                 cinfo.raw_data_in = TRUE; /* Supply downsampled data */
 138                 cinfo.do_fancy_downsampling = FALSE;
 139
 140                 cinfo.comp_info[0].h_samp_factor = 2;
 141                 if (_decoded->color == MM_UTIL_COLOR_YUV420)
 142                         cinfo.comp_info[0].v_samp_factor = 2;
 143                 else if (_decoded->color == MM_UTIL_COLOR_YUV422 || _decoded->color == MM_UTIL_COLOR_UYVY)
 144                         cinfo.comp_info[0].v_samp_factor = 1;
 145                 cinfo.comp_info[1].h_samp_factor = 1;
 146                 cinfo.comp_info[1].v_samp_factor = 1;
 147                 cinfo.comp_info[2].h_samp_factor = 1;
 148                 cinfo.comp_info[2].v_samp_factor = 1;
 149
 150                 jpeg_set_quality(&cinfo, quality, TRUE);
 151                 mm_util_debug("jpeg_set_quality");
 152                 cinfo.dct_method = JDCT_FASTEST;
 153
 154                 jpeg_start_compress(&cinfo, TRUE);
 155                 mm_util_debug("jpeg_start_compress");
 156
 157                 if (flag) {
 158                         void *large_rect = calloc(1, _width);
 159                         void *small_rect = calloc(1, _width);
 160                         if (large_rect) {
 161                                 memset(large_rect, 0x10, _width);
 162                         } else {
 163                                 MMUTIL_SAFE_FREE(small_rect);
 164                                 mm_util_error("large rectangle memory");
 165                                 return MM_UTIL_ERROR_INVALID_PARAMETER;
 166                         }
 167                         if (small_rect) {
 168                                 memset(small_rect, 0x80, _width);
 169                         } else {
 170                                 MMUTIL_SAFE_FREE(large_rect);
 171                                 mm_util_error("small rectangle memory");
 172                                 return MM_UTIL_ERROR_INVALID_PARAMETER;
 173                         }
 174
 175                         for (j = 0; j < _height; j += 16) {
 176                                 for (i = 0; i < 16; i++) {
 177                                         y[i] = (JSAMPROW)_decoded->data + _width * (i + j);
 178                                         if (i % 2 == 0) {
 179                                                 cb[i / 2] = (JSAMPROW)_decoded->data + _width * _height + _width / 2 * ((i + j) / 2);
 180                                                 cr[i / 2] = (JSAMPROW)_decoded->data + _width * _height + _width * _height / 4 + _width / 2 * ((i + j) / 2);
 181                                         }
 182                                 }
 183                                 jpeg_write_raw_data(&cinfo, data, 16);
 184                         }
 185                         for (i = 0; i < flag; i++) {
 186                                 y[i] = (JSAMPROW)_decoded->data + _width * (i + j);
 187                                 if (i % 2 == 0) {
 188                                         cb[i / 2] = (JSAMPROW)_decoded->data + _width * _height + _width / 2 * ((i + j) / 2);
 189                                         cr[i / 2] = (JSAMPROW)_decoded->data + _width * _height + _width * _height / 4 + _width / 2 * ((i + j) / 2);
 190                                 }
 191                         }
 192                         for (; i < 16; i++) {
 193                                 y[i] = (JSAMPROW)large_rect;
 194                                 if (i % 2 == 0) {
 195                                         cb[i / 2] = (JSAMPROW)small_rect;
 196                                         cr[i / 2] = (JSAMPROW)small_rect;
 197                                 }
 198                         }
 199                         jpeg_write_raw_data(&cinfo, data, 16);
 200                         MMUTIL_SAFE_FREE(large_rect);
 201                         MMUTIL_SAFE_FREE(small_rect);
 202                 } else {
 203                         for (j = 0; j < _height; j += 16) {
 204                                 for (i = 0; i < 16; i++) {
 205                                         y[i] = (JSAMPROW)_decoded->data + _width * (i + j);
 206                                         if (i % 2 == 0) {
 207                                                 cb[i / 2] = (JSAMPROW)_decoded->data + _width * _height + _width / 2 * ((i + j) / 2);
 208                                                 cr[i / 2] = (JSAMPROW)_decoded->data + _width * _height + _width * _height / 4 + _width / 2 * ((i + j) / 2);
 209                                         }
 210                                 }
 211                                 jpeg_write_raw_data(&cinfo, data, 16);
 212                         }
 213                 }
 214                 mm_util_debug("#for loop#");
 215
 216                 jpeg_finish_compress(&cinfo);
 217                 mm_util_debug("jpeg_finish_compress");
 218
 219                 jpeg_destroy_compress(&cinfo);
 220                 mm_util_debug("jpeg_destroy_compress");
 221         }
 222
 223         else if (_decoded->color == MM_UTIL_COLOR_RGB24 || _decoded->color == MM_UTIL_COLOR_GRAYSCALE || _decoded->color == MM_UTIL_COLOR_RGBA || _decoded->color == MM_UTIL_COLOR_BGRA || _decoded->color == MM_UTIL_COLOR_ARGB) {
 224                 JSAMPROW row_pointer[1];
 225                 unsigned int iRowStride = 0;
 226
 227                 if (_decoded->color == MM_UTIL_COLOR_RGB24) {
 228                         cinfo.input_components = 3;
 229                         cinfo.in_color_space = JCS_RGB;
 230                         mm_util_debug("JCS_RGB");
 231                 } else if (_decoded->color == MM_UTIL_COLOR_GRAYSCALE) {
 232                         cinfo.input_components = 1; /* one colour component */
 233                         cinfo.in_color_space = JCS_GRAYSCALE;
 234                         mm_util_debug("JCS_GRAYSCALE");
 235                 } else if (_decoded->color == MM_UTIL_COLOR_RGBA) {
 236                         cinfo.input_components = 4;
 237                         cinfo.in_color_space = JCS_EXT_RGBA;
 238                         mm_util_debug("JCS_EXT_RGBA");
 239                 } else if (_decoded->color == MM_UTIL_COLOR_BGRA) {
 240                         cinfo.input_components = 4;
 241                         cinfo.in_color_space = JCS_EXT_BGRA;
 242                         mm_util_debug("JCS_EXT_BGRA");
 243                 } else if (_decoded->color == MM_UTIL_COLOR_ARGB) {
 244                         cinfo.input_components = 4;
 245                         cinfo.in_color_space = JCS_EXT_ARGB;
 246                         mm_util_debug("JCS_EXT_ARGB");
 247                 }
 248
 249                 jpeg_set_defaults(&cinfo);
 250                 mm_util_debug("jpeg_set_defaults");
 251                 jpeg_set_quality(&cinfo, quality, TRUE);
 252                 mm_util_debug("jpeg_set_quality");
 253                 jpeg_start_compress(&cinfo, TRUE);
 254                 mm_util_debug("jpeg_start_compress");
 255                 if (_decoded->color == MM_UTIL_COLOR_RGB24)
 256                         iRowStride = _width * 3;
 257                 else if (_decoded->color == MM_UTIL_COLOR_GRAYSCALE)
 258                         iRowStride = _width;
 259                 else if (_decoded->color == MM_UTIL_COLOR_RGBA || _decoded->color == MM_UTIL_COLOR_BGRA || _decoded->color == MM_UTIL_COLOR_ARGB)
 260                         iRowStride = _width * 4;
 261
 262                 JSAMPLE *image_buffer = (JSAMPLE *)_decoded->data;
 263                 while (cinfo.next_scanline < cinfo.image_height) {
 264                         row_pointer[0] = &image_buffer[cinfo.next_scanline * iRowStride];
 265                         jpeg_write_scanlines(&cinfo, row_pointer, 1);
 266                 }
 267                 mm_util_debug("while");
 268
 269                 jpeg_finish_compress(&cinfo);
 270                 mm_util_debug("jpeg_finish_compress");
 271
 272                 jpeg_destroy_compress(&cinfo);
 273                 mm_util_debug("jpeg_destroy_compress");
 274         } else {
 275                 mm_util_error("We can't encode the IMAGE format");
 276                 return MM_UTIL_ERROR_NOT_SUPPORTED_FORMAT;
 277         }
 278
 279         if (control_format == MM_UTIL_JPEG_MEM)
 280                 *csize = (size_t)size;
 281
 282         return ret;
 283 }
 284
 285 static int __mm_image_decode_with_libjpeg(mm_util_jpeg_cont_format_e control_format, FILE *fp, void *src, size_t size, mm_util_color_format_e color_format, mm_util_jpeg_decode_downscale downscale, mm_util_image_h *decoded)
 286 {
 287         int ret = MM_UTIL_ERROR_NONE;
 288         struct jpeg_decompress_struct dinfo;
 289         struct my_error_mgr_s jerr;
 290         JSAMPARRAY buffer; /* Output row buffer */
 291         int row_stride = 0; /* physical row width in output buffer */
 292         JSAMPROW image, u_image, v_image;
 293         JSAMPROW row; /* point to buffer[0] */
 294         size_t _size = 0;
 295         void *_data = NULL;
 296
 297         mm_util_fenter();
 298
 299         mm_util_retvm_if((control_format != MM_UTIL_JPEG_FILE) && (control_format != MM_UTIL_JPEG_MEM), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid control_format [%u]", control_format);
 300         mm_util_retvm_if((control_format == MM_UTIL_JPEG_FILE) && (fp == NULL), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid fp");
 301         mm_util_retvm_if((control_format == MM_UTIL_JPEG_MEM) && ((src == NULL) || (size == 0)), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid src or size");
 302         mm_util_retvm_if(!decoded, MM_UTIL_ERROR_INVALID_PARAMETER, "invalid image handle");
 303
 304         /* allocate and initialize JPEG decompression object   We set up the normal JPEG error routines, then override error_exit. */
 305         dinfo.err = jpeg_std_error(&jerr.pub);
 306         mm_util_debug("jpeg_std_error ");
 307         jerr.pub.error_exit = __my_error_exit;
 308         mm_util_debug("jerr.pub.error_exit ");
 309
 310         /* Establish the setjmp return context for __my_error_exit to use. */
 311         if (setjmp(jerr.setjmp_buffer)) {
 312                 /* If we get here, the JPEG code has signaled an error.  We need to clean up the JPEG object, close the input file, and return.*/
 313                 mm_util_error("ERROR setjmp");
 314                 jpeg_destroy_decompress(&dinfo);
 315                 return MM_UTIL_ERROR_NO_SUCH_FILE;
 316         }
 317
 318         mm_util_debug("if (setjmp)");
 319         /* Now we can initialize the JPEG decompression object. */
 320         jpeg_create_decompress(&dinfo);
 321         mm_util_debug("jpeg_create_decompress");
 322
 323         /*specify data source (eg, a file) */
 324         if (control_format == MM_UTIL_JPEG_FILE) {
 325                 jpeg_stdio_src(&dinfo, fp);
 326                 mm_util_debug("jpeg_stdio_src");
 327         } else {
 328                 jpeg_mem_src(&dinfo, src, (unsigned long)size);
 329                 mm_util_debug("jpeg_mem_src");
 330         }
 331
 332         /*read file parameters with jpeg_read_header() */
 333         jpeg_read_header(&dinfo, TRUE);
 334         mm_util_debug("jpeg_read_header");
 335
 336         mm_util_debug("image width: %d height: %d", dinfo.image_width, dinfo.image_height);
 337         if (dinfo.image_width > ENC_MAX_LEN || dinfo.image_height > ENC_MAX_LEN) {
 338                 dinfo.scale_num = 1;
 339                 dinfo.scale_denom = 8;
 340                 dinfo.do_fancy_upsampling = FALSE;
 341                 dinfo.do_block_smoothing = FALSE;
 342                 dinfo.dither_mode = JDITHER_ORDERED;
 343         } else if (downscale != MM_UTIL_JPEG_DECODE_DOWNSCALE_1_1) {
 344                 dinfo.scale_num = 1;
 345                 dinfo.scale_denom = (unsigned int)downscale;
 346                 dinfo.do_fancy_upsampling = FALSE;
 347                 dinfo.do_block_smoothing = FALSE;
 348                 dinfo.dither_mode = JDITHER_ORDERED;
 349         }
 350
 351         dinfo.dct_method = JDCT_FASTEST;
 352
 353         /* set parameters for decompression */
 354         if (color_format == MM_UTIL_COLOR_RGB24) {
 355                 dinfo.out_color_space = JCS_RGB;
 356                 mm_util_debug("cinfo.out_color_space = JCS_RGB");
 357         } else if (color_format == MM_UTIL_COLOR_YUV420 || color_format == MM_UTIL_COLOR_YUV422 || color_format == MM_UTIL_COLOR_UYVY) {
 358                 dinfo.out_color_space = JCS_YCbCr;
 359                 mm_util_debug("cinfo.out_color_space = JCS_YCbCr");
 360         } else if (color_format == MM_UTIL_COLOR_GRAYSCALE) {
 361                 dinfo.out_color_space = JCS_GRAYSCALE;
 362                 mm_util_debug("cinfo.out_color_space = JCS_GRAYSCALE");
 363         } else if (color_format == MM_UTIL_COLOR_RGBA) {
 364                 dinfo.out_color_space = JCS_EXT_RGBA;
 365                 mm_util_debug("cinfo.out_color_space = JCS_EXT_RGBA");
 366         } else if (color_format == MM_UTIL_COLOR_BGRA) {
 367                 dinfo.out_color_space = JCS_EXT_BGRA;
 368                 mm_util_debug("cinfo.out_color_space = JCS_EXT_BGRA");
 369         } else if (color_format == MM_UTIL_COLOR_ARGB) {
 370                 dinfo.out_color_space = JCS_EXT_ARGB;
 371                 mm_util_debug("cinfo.out_color_space = JCS_EXT_ARGB");
 372         }
 373
 374         /* Start decompressor */
 375         jpeg_start_decompress(&dinfo);
 376         mm_util_debug("jpeg_start_decompress");
 377
 378         /* byte-align for YUV format */
 379         if (color_format == MM_UTIL_COLOR_YUV420 || color_format == MM_UTIL_COLOR_YUV422) {
 380                 if (dinfo.output_width % 2 != 0)
 381                         dinfo.output_width = MM_UTIL_ROUND_DOWN_2(dinfo.output_width);
 382                 if (dinfo.output_height % 2 != 0)
 383                         dinfo.output_height = MM_UTIL_ROUND_DOWN_2(dinfo.output_height);
 384         }
 385
 386         /* JSAMPLEs per row in output buffer */
 387         row_stride = dinfo.output_width * dinfo.output_components;
 388
 389         /* Make a one-row-high sample array that will go away when done with image */
 390         buffer = (*dinfo.mem->alloc_sarray) ((j_common_ptr) &dinfo, JPOOL_IMAGE, row_stride, 1);
 391         mm_util_debug("JPOOL_IMAGE BUFFER (color_format: %d)", color_format);
 392
 393         if (color_format == MM_UTIL_COLOR_RGB24 || color_format == MM_UTIL_COLOR_RGBA || color_format == MM_UTIL_COLOR_BGRA || color_format == MM_UTIL_COLOR_ARGB) {
 394                 _size = dinfo.output_height * row_stride;
 395         } else if (color_format == MM_UTIL_COLOR_YUV420) {
 396                 _size = dinfo.output_height * row_stride / 2;
 397         } else if (color_format == MM_UTIL_COLOR_YUV422 || color_format == MM_UTIL_COLOR_UYVY) {
 398                 _size = dinfo.output_height * dinfo.output_width * 2;
 399         } else if (color_format == MM_UTIL_COLOR_GRAYSCALE) {
 400                 _size = dinfo.output_height * dinfo.output_width;
 401         } else{
 402                 jpeg_finish_decompress(&dinfo);
 403                 jpeg_destroy_decompress(&dinfo);
 404                 mm_util_error("[%d] We can't decode the IMAGE format", color_format);
 405                 return MM_UTIL_ERROR_NOT_SUPPORTED_FORMAT;
 406         }
 407
 408         _data = (void *) calloc(1, _size);
 409         if (!_data) {
 410                 jpeg_finish_decompress(&dinfo);
 411                 jpeg_destroy_decompress(&dinfo);
 412                 mm_util_error("_data is NULL");
 413                 return MM_UTIL_ERROR_OUT_OF_MEMORY;
 414         }
 415         mm_util_debug("decoded_data->data");
 416
 417         /* while (scan lines remain to be read) jpeg_read_scanlines(...); */
 418         if (color_format == MM_UTIL_COLOR_YUV420 || color_format == MM_UTIL_COLOR_YUV422 || color_format == MM_UTIL_COLOR_UYVY) {
 419                 image = _data;
 420                 u_image = image + (dinfo.output_width * dinfo.output_height);
 421                 v_image = u_image + (dinfo.output_width*dinfo.output_height)/4;
 422                 row = buffer[0];
 423                 int i = 0;
 424                 int y = 0;
 425                 while (dinfo.output_scanline < dinfo.output_height) {
 426                         jpeg_read_scanlines(&dinfo, buffer, 1);
 427                         for (i = 0; i < row_stride; i += 3) {
 428                                 image[i/3] = row[i];
 429                                 if (i & 1) {
 430                                         u_image[(i/3)/2] = row[i+1];
 431                                         v_image[(i/3)/2] = row[i+2];
 432                                 }
 433                         }
 434                         image += row_stride/3;
 435                         if (y++ & 1) {
 436                                 u_image += dinfo.output_width / 2;
 437                                 v_image += dinfo.output_width / 2;
 438                         }
 439                 }
 440         } else if (color_format == MM_UTIL_COLOR_RGB24 || color_format == MM_UTIL_COLOR_GRAYSCALE || color_format == MM_UTIL_COLOR_RGBA || color_format == MM_UTIL_COLOR_BGRA || color_format == MM_UTIL_COLOR_ARGB) {
 441                 int state = 0;
 442                 while (dinfo.output_scanline < dinfo.output_height) {
 443                         /* jpeg_read_scanlines expects an array of pointers to scanlines. Here the array is only one element long, but you could ask formore than one scanline at a time if that's more convenient. */
 444                         jpeg_read_scanlines(&dinfo, buffer, 1);
 445
 446                         memcpy(_data + state, buffer[0], row_stride);
 447                         state += row_stride;
 448                 }
 449                 mm_util_debug("jpeg_read_scanlines");
 450         }
 451
 452         ret = mm_image_create_image(dinfo.output_width, dinfo.output_height, color_format, _data, _size, decoded);
 453         MMUTIL_SAFE_FREE(_data);
 454
 455         /* Finish decompression */
 456         jpeg_finish_decompress(&dinfo);
 457         mm_util_debug("jpeg_finish_decompress");
 458
 459         /* Release JPEG decompression object */
 460         jpeg_destroy_decompress(&dinfo);
 461         mm_util_debug("jpeg_destroy_decompress");
 462
 463         mm_util_fleave();
 464
 465         return ret;
 466 }
 467
 468 int mm_util_jpeg_encode_to_file(mm_util_image_h decoded, int quality, const char *file_path)
 469 {
 470         int ret = MM_UTIL_ERROR_NONE;
 471         mm_image_info_s *_decoded = (mm_image_info_s *)decoded;
 472         mm_util_image_h _converted_image = NULL;
 473
 474         mm_util_fenter();
 475
 476         mm_util_retvm_if(!file_path, MM_UTIL_ERROR_INVALID_PARAMETER, "invalid file_path");
 477         mm_util_retvm_if(!IS_VALID_IMAGE(decoded), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid image");
 478         mm_util_retvm_if((!_mm_util_is_supported_color_format(_decoded->color)), MM_UTIL_ERROR_NOT_SUPPORTED_FORMAT, "not supported fmt [%d]", _decoded->color);
 479         mm_util_retvm_if((quality < 1) || (quality > 100), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid quality [%d]", quality);
 480
 481         FILE *fp = NULL;
 482         ret = mm_util_safe_fopen(file_path, "wb", &fp);
 483         mm_util_retvm_if(ret != MM_UTIL_ERROR_NONE, ret, "mm_util_safe_fopen fail (%d)", ret);
 484
 485         if (_decoded->color == MM_UTIL_COLOR_NV12) {
 486                 ret = mm_util_convert_colorspace(decoded, MM_UTIL_COLOR_YUV420, &_converted_image);
 487                 if (ret != MM_UTIL_ERROR_NONE) {
 488                         mm_util_error("mm_util_convert_image failed (%d)", ret);
 489                         mm_util_safe_fclose(fp);
 490                         return ret;
 491                 }
 492
 493                 ret = __mm_image_encode_with_libjpeg(MM_UTIL_JPEG_FILE, _converted_image, quality, fp, NULL, NULL);
 494                 mm_image_destroy_image(_converted_image);
 495         } else {
 496                 ret = __mm_image_encode_with_libjpeg(MM_UTIL_JPEG_FILE, decoded, quality, fp, NULL, NULL);
 497         }
 498
 499         fsync((int)(fp->_fileno));
 500         mm_util_safe_fclose(fp);
 501
 502         mm_util_fleave();
 503
 504         return ret;
 505 }
 506
 507 int mm_util_jpeg_encode_to_memory(void **buffer, unsigned int *size, unsigned char *src, unsigned int width, unsigned int height, mm_util_color_format_e color, int quality)
 508 {
 509         int ret = MM_UTIL_ERROR_NONE;
 510         size_t encoded_size = 0;
 511         mm_util_image_h decoded = NULL;
 512
 513         mm_util_retvm_if(!size, MM_UTIL_ERROR_INVALID_PARAMETER, "invalid size");
 514
 515         ret = mm_image_create_image(width, height, color, src, TEMP_DATA_SIZE, &decoded);
 516         mm_util_retvm_if(ret != MM_UTIL_ERROR_NONE, ret, "mm_image_create_image fail (%d)", ret);
 517
 518         ret = mm_util_encode_to_jpeg_memory(decoded, quality, buffer, &encoded_size);
 519         mm_util_retvm_if(ret != MM_UTIL_ERROR_NONE, ret, "mm_util_encode_to_jpeg_memory fail (%d)", ret);
 520
 521         *size = (unsigned int)encoded_size;
 522
 523         return ret;
 524 }
 525
 526 int mm_util_encode_to_jpeg_memory(mm_util_image_h decoded, int quality, void **buffer, size_t *size)
 527 {
 528         int ret = MM_UTIL_ERROR_NONE;
 529         mm_image_info_s *_decoded = (mm_image_info_s *)decoded;
 530         mm_util_image_h _converted_image = NULL;
 531
 532         mm_util_fenter();
 533
 534         mm_util_retvm_if(!buffer, MM_UTIL_ERROR_INVALID_PARAMETER, "invalid buffer");
 535         mm_util_retvm_if(!size, MM_UTIL_ERROR_INVALID_PARAMETER, "invalid size");
 536         mm_util_retvm_if(!IS_VALID_IMAGE(decoded), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid image");
 537         mm_util_retvm_if((!_mm_util_is_supported_color_format(_decoded->color)), MM_UTIL_ERROR_NOT_SUPPORTED_FORMAT, "not supported color [%d]", _decoded->color);
 538         mm_util_retvm_if((quality < 1) || (quality > 100), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid quality [%d]", quality);
 539
 540         if (_decoded->color == MM_UTIL_COLOR_NV12) {
 541                 ret = mm_util_convert_colorspace(decoded, MM_UTIL_COLOR_YUV420, &_converted_image);
 542                 mm_util_retvm_if(ret != MM_UTIL_ERROR_NONE, ret, "mm_util_convert_image fail (%d)", ret);
 543
 544                 ret = __mm_image_encode_with_libjpeg(MM_UTIL_JPEG_MEM, _converted_image, quality, NULL, buffer, size);
 545                 mm_image_destroy_image(_converted_image);
 546         } else {
 547                 ret = __mm_image_encode_with_libjpeg(MM_UTIL_JPEG_MEM, decoded, quality, NULL, buffer, size);
 548         }
 549
 550         mm_util_fleave();
 551
 552         return ret;
 553 }
 554
 555 int mm_util_decode_from_jpeg_file(const char *file_path, mm_util_color_format_e fmt, mm_util_jpeg_decode_downscale downscale, mm_util_image_h *decoded)
 556 {
 557         int ret = MM_UTIL_ERROR_NONE;
 558         FILE *fp = NULL;
 559         mm_util_image_h _decoded = NULL;
 560
 561         mm_util_fenter();
 562
 563         mm_util_retvm_if(!MMUTIL_STRING_VALID(file_path), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid file_path");
 564         mm_util_retvm_if((IS_VALID_COLOR(fmt) == FALSE), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid fmt [%d]", fmt);
 565         mm_util_retvm_if((!_mm_util_is_supported_color_format(fmt)), MM_UTIL_ERROR_NOT_SUPPORTED_FORMAT, "not supported fmt [%d]", fmt);
 566         mm_util_retvm_if(!decoded, MM_UTIL_ERROR_INVALID_PARAMETER, "invalid image handle");
 567
 568         if ((downscale != MM_UTIL_JPEG_DECODE_DOWNSCALE_1_1) && (downscale != MM_UTIL_JPEG_DECODE_DOWNSCALE_1_2)
 569                  && (downscale != MM_UTIL_JPEG_DECODE_DOWNSCALE_1_4) && (downscale != MM_UTIL_JPEG_DECODE_DOWNSCALE_1_8)) {
 570                 mm_util_error("#ERROR# downscale value [%d]", downscale);
 571                 return MM_UTIL_ERROR_INVALID_PARAMETER;
 572         }
 573
 574         ret = mm_util_safe_fopen(file_path, "rb", &fp);
 575         mm_util_retvm_if(ret != MM_UTIL_ERROR_NONE, ret, "mm_util_safe_fopen fail (%d)", ret);
 576
 577         if (fmt == MM_UTIL_COLOR_NV12) {
 578                 ret = __mm_image_decode_with_libjpeg(MM_UTIL_JPEG_FILE, fp, NULL, 0, MM_UTIL_COLOR_YUV420, downscale, &_decoded);
 579                 if (ret == MM_UTIL_ERROR_NONE)
 580                         ret = mm_util_convert_colorspace(_decoded, MM_UTIL_COLOR_NV12, decoded);
 581                 mm_image_destroy_image(_decoded);
 582         } else {
 583                 ret = __mm_image_decode_with_libjpeg(MM_UTIL_JPEG_FILE, fp, NULL, 0, fmt, downscale, decoded);
 584         }
 585
 586         mm_util_safe_fclose(fp);
 587
 588         mm_util_fleave();
 589
 590         return ret;
 591 }
 592
 593 int mm_util_decode_from_jpeg_memory(void *memory, const size_t src_size, mm_util_color_format_e fmt, mm_util_jpeg_decode_downscale downscale, mm_util_image_h *decoded)
 594 {
 595         int ret = MM_UTIL_ERROR_NONE;
 596         mm_util_image_h _decoded = NULL;
 597
 598         mm_util_fenter();
 599
 600         mm_util_retvm_if(!memory, MM_UTIL_ERROR_INVALID_PARAMETER, "invalid jpeg image");
 601         mm_util_retvm_if(!src_size, MM_UTIL_ERROR_INVALID_PARAMETER, "invalid src_size");
 602         mm_util_retvm_if((IS_VALID_COLOR(fmt) == FALSE), MM_UTIL_ERROR_INVALID_PARAMETER, "invalid fmt [%d]", fmt);
 603         mm_util_retvm_if((!_mm_util_is_supported_color_format(fmt)), MM_UTIL_ERROR_NOT_SUPPORTED_FORMAT, "not supported fmt [%d]", fmt);
 604         mm_util_retvm_if(!decoded, MM_UTIL_ERROR_INVALID_PARAMETER, "invalid image handle");
 605
 606         if ((downscale != MM_UTIL_JPEG_DECODE_DOWNSCALE_1_1) && (downscale != MM_UTIL_JPEG_DECODE_DOWNSCALE_1_2)
 607                  && (downscale != MM_UTIL_JPEG_DECODE_DOWNSCALE_1_4) && (downscale != MM_UTIL_JPEG_DECODE_DOWNSCALE_1_8)) {
 608                 mm_util_error("#ERROR# downscale value [%d]", downscale);
 609                 return MM_UTIL_ERROR_INVALID_PARAMETER;
 610         }
 611
 612         if (fmt == MM_UTIL_COLOR_NV12) {
 613                 ret = __mm_image_decode_with_libjpeg(MM_UTIL_JPEG_MEM, NULL, memory, src_size, MM_UTIL_COLOR_YUV420, downscale, &_decoded);
 614                 if (ret == MM_UTIL_ERROR_NONE)
 615                         ret = mm_util_convert_colorspace(_decoded, MM_UTIL_COLOR_NV12, decoded);
 616                 mm_image_destroy_image(_decoded);
 617         } else {
 618                 ret = __mm_image_decode_with_libjpeg(MM_UTIL_JPEG_MEM, NULL, memory, src_size, fmt, downscale, decoded);
 619         }
 620
 621         mm_util_fleave();
 622
 623         return ret;
 624 }