hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1 | /* |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 2 | * Copyright (C)2009-2021 D. R. Commander. All Rights Reserved. |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * - Redistributions of source code must retain the above copyright notice, |
| 8 | * this list of conditions and the following disclaimer. |
| 9 | * - Redistributions in binary form must reproduce the above copyright notice, |
| 10 | * this list of conditions and the following disclaimer in the documentation |
| 11 | * and/or other materials provided with the distribution. |
| 12 | * - Neither the name of the libjpeg-turbo Project nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived from this |
| 14 | * software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS", |
| 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE |
| 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | * POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
noel@chromium.org | 3395bcc | 2014-04-14 06:56:00 +0000 | [diff] [blame] | 29 | /* TurboJPEG/LJT: this implements the TurboJPEG API using libjpeg or |
| 30 | libjpeg-turbo */ |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 31 | |
| 32 | #include <stdio.h> |
| 33 | #include <stdlib.h> |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 34 | #include <ctype.h> |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 35 | #include <jinclude.h> |
| 36 | #define JPEG_INTERNALS |
| 37 | #include <jpeglib.h> |
| 38 | #include <jerror.h> |
| 39 | #include <setjmp.h> |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 40 | #include <errno.h> |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 41 | #include "./turbojpeg.h" |
| 42 | #include "./tjutil.h" |
| 43 | #include "transupp.h" |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 44 | #include "./jpegcomp.h" |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 45 | #include "./cdjpeg.h" |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 46 | #include "jconfigint.h" |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 47 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 48 | extern void jpeg_mem_dest_tj(j_compress_ptr, unsigned char **, unsigned long *, |
| 49 | boolean); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 50 | extern void jpeg_mem_src_tj(j_decompress_ptr, const unsigned char *, |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 51 | unsigned long); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 52 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 53 | #define PAD(v, p) ((v + (p) - 1) & (~((p) - 1))) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 54 | #define IS_POW2(x) (((x) & (x - 1)) == 0) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 55 | |
| 56 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 57 | /* Error handling (based on example in example.txt) */ |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 58 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 59 | static THREAD_LOCAL char errStr[JMSG_LENGTH_MAX] = "No error"; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 60 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 61 | struct my_error_mgr { |
| 62 | struct jpeg_error_mgr pub; |
| 63 | jmp_buf setjmp_buffer; |
| 64 | void (*emit_message) (j_common_ptr, int); |
| 65 | boolean warning, stopOnWarning; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 66 | }; |
| 67 | typedef struct my_error_mgr *my_error_ptr; |
| 68 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 69 | #define JMESSAGE(code, string) string, |
| 70 | static const char *turbojpeg_message_table[] = { |
| 71 | #include "cderror.h" |
| 72 | NULL |
| 73 | }; |
| 74 | |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 75 | static void my_error_exit(j_common_ptr cinfo) |
| 76 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 77 | my_error_ptr myerr = (my_error_ptr)cinfo->err; |
| 78 | |
| 79 | (*cinfo->err->output_message) (cinfo); |
| 80 | longjmp(myerr->setjmp_buffer, 1); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | /* Based on output_message() in jerror.c */ |
| 84 | |
| 85 | static void my_output_message(j_common_ptr cinfo) |
| 86 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 87 | (*cinfo->err->format_message) (cinfo, errStr); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 88 | } |
| 89 | |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 90 | static void my_emit_message(j_common_ptr cinfo, int msg_level) |
| 91 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 92 | my_error_ptr myerr = (my_error_ptr)cinfo->err; |
| 93 | |
| 94 | myerr->emit_message(cinfo, msg_level); |
| 95 | if (msg_level < 0) { |
| 96 | myerr->warning = TRUE; |
| 97 | if (myerr->stopOnWarning) longjmp(myerr->setjmp_buffer, 1); |
| 98 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 99 | } |
| 100 | |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 101 | |
| 102 | /* Global structures, macros, etc. */ |
| 103 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 104 | enum { COMPRESS = 1, DECOMPRESS = 2 }; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 105 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 106 | typedef struct _tjinstance { |
| 107 | struct jpeg_compress_struct cinfo; |
| 108 | struct jpeg_decompress_struct dinfo; |
| 109 | struct my_error_mgr jerr; |
| 110 | int init, headerRead; |
| 111 | char errStr[JMSG_LENGTH_MAX]; |
| 112 | boolean isInstanceError; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 113 | } tjinstance; |
| 114 | |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 115 | struct my_progress_mgr { |
| 116 | struct jpeg_progress_mgr pub; |
| 117 | tjinstance *this; |
| 118 | }; |
| 119 | typedef struct my_progress_mgr *my_progress_ptr; |
| 120 | |
| 121 | static void my_progress_monitor(j_common_ptr dinfo) |
| 122 | { |
| 123 | my_error_ptr myerr = (my_error_ptr)dinfo->err; |
| 124 | my_progress_ptr myprog = (my_progress_ptr)dinfo->progress; |
| 125 | |
| 126 | if (dinfo->is_decompressor) { |
| 127 | int scan_no = ((j_decompress_ptr)dinfo)->input_scan_number; |
| 128 | |
| 129 | if (scan_no > 500) { |
| 130 | snprintf(myprog->this->errStr, JMSG_LENGTH_MAX, |
| 131 | "Progressive JPEG image has more than 500 scans"); |
| 132 | snprintf(errStr, JMSG_LENGTH_MAX, |
| 133 | "Progressive JPEG image has more than 500 scans"); |
| 134 | myprog->this->isInstanceError = TRUE; |
| 135 | myerr->warning = FALSE; |
| 136 | longjmp(myerr->setjmp_buffer, 1); |
| 137 | } |
| 138 | } |
| 139 | } |
| 140 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 141 | static const int pixelsize[TJ_NUMSAMP] = { 3, 3, 3, 1, 3, 3 }; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 142 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 143 | static const JXFORM_CODE xformtypes[TJ_NUMXOP] = { |
| 144 | JXFORM_NONE, JXFORM_FLIP_H, JXFORM_FLIP_V, JXFORM_TRANSPOSE, |
| 145 | JXFORM_TRANSVERSE, JXFORM_ROT_90, JXFORM_ROT_180, JXFORM_ROT_270 |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 146 | }; |
| 147 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 148 | #define NUMSF 16 |
| 149 | static const tjscalingfactor sf[NUMSF] = { |
| 150 | { 2, 1 }, |
| 151 | { 15, 8 }, |
| 152 | { 7, 4 }, |
| 153 | { 13, 8 }, |
| 154 | { 3, 2 }, |
| 155 | { 11, 8 }, |
| 156 | { 5, 4 }, |
| 157 | { 9, 8 }, |
| 158 | { 1, 1 }, |
| 159 | { 7, 8 }, |
| 160 | { 3, 4 }, |
| 161 | { 5, 8 }, |
| 162 | { 1, 2 }, |
| 163 | { 3, 8 }, |
| 164 | { 1, 4 }, |
| 165 | { 1, 8 } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 166 | }; |
| 167 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 168 | static J_COLOR_SPACE pf2cs[TJ_NUMPF] = { |
| 169 | JCS_EXT_RGB, JCS_EXT_BGR, JCS_EXT_RGBX, JCS_EXT_BGRX, JCS_EXT_XBGR, |
| 170 | JCS_EXT_XRGB, JCS_GRAYSCALE, JCS_EXT_RGBA, JCS_EXT_BGRA, JCS_EXT_ABGR, |
| 171 | JCS_EXT_ARGB, JCS_CMYK |
| 172 | }; |
| 173 | |
| 174 | static int cs2pf[JPEG_NUMCS] = { |
| 175 | TJPF_UNKNOWN, TJPF_GRAY, |
| 176 | #if RGB_RED == 0 && RGB_GREEN == 1 && RGB_BLUE == 2 && RGB_PIXELSIZE == 3 |
| 177 | TJPF_RGB, |
| 178 | #elif RGB_RED == 2 && RGB_GREEN == 1 && RGB_BLUE == 0 && RGB_PIXELSIZE == 3 |
| 179 | TJPF_BGR, |
| 180 | #elif RGB_RED == 0 && RGB_GREEN == 1 && RGB_BLUE == 2 && RGB_PIXELSIZE == 4 |
| 181 | TJPF_RGBX, |
| 182 | #elif RGB_RED == 2 && RGB_GREEN == 1 && RGB_BLUE == 0 && RGB_PIXELSIZE == 4 |
| 183 | TJPF_BGRX, |
| 184 | #elif RGB_RED == 3 && RGB_GREEN == 2 && RGB_BLUE == 1 && RGB_PIXELSIZE == 4 |
| 185 | TJPF_XBGR, |
| 186 | #elif RGB_RED == 1 && RGB_GREEN == 2 && RGB_BLUE == 3 && RGB_PIXELSIZE == 4 |
| 187 | TJPF_XRGB, |
| 188 | #endif |
| 189 | TJPF_UNKNOWN, TJPF_CMYK, TJPF_UNKNOWN, TJPF_RGB, TJPF_RGBX, TJPF_BGR, |
| 190 | TJPF_BGRX, TJPF_XBGR, TJPF_XRGB, TJPF_RGBA, TJPF_BGRA, TJPF_ABGR, TJPF_ARGB, |
| 191 | TJPF_UNKNOWN |
| 192 | }; |
| 193 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 194 | #define THROWG(m) { \ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 195 | snprintf(errStr, JMSG_LENGTH_MAX, "%s", m); \ |
| 196 | retval = -1; goto bailout; \ |
| 197 | } |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 198 | #define THROW_UNIX(m) { \ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 199 | snprintf(errStr, JMSG_LENGTH_MAX, "%s\n%s", m, strerror(errno)); \ |
| 200 | retval = -1; goto bailout; \ |
| 201 | } |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 202 | #define THROW(m) { \ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 203 | snprintf(this->errStr, JMSG_LENGTH_MAX, "%s", m); \ |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 204 | this->isInstanceError = TRUE; THROWG(m) \ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 205 | } |
| 206 | |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 207 | #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION |
| 208 | /* Private flag that triggers different TurboJPEG API behavior when fuzzing */ |
| 209 | #define TJFLAG_FUZZING (1 << 30) |
| 210 | #endif |
| 211 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 212 | #define GET_INSTANCE(handle) \ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 213 | tjinstance *this = (tjinstance *)handle; \ |
| 214 | j_compress_ptr cinfo = NULL; \ |
| 215 | j_decompress_ptr dinfo = NULL; \ |
| 216 | \ |
| 217 | if (!this) { \ |
| 218 | snprintf(errStr, JMSG_LENGTH_MAX, "Invalid handle"); \ |
| 219 | return -1; \ |
| 220 | } \ |
| 221 | cinfo = &this->cinfo; dinfo = &this->dinfo; \ |
| 222 | this->jerr.warning = FALSE; \ |
| 223 | this->isInstanceError = FALSE; |
| 224 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 225 | #define GET_CINSTANCE(handle) \ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 226 | tjinstance *this = (tjinstance *)handle; \ |
| 227 | j_compress_ptr cinfo = NULL; \ |
| 228 | \ |
| 229 | if (!this) { \ |
| 230 | snprintf(errStr, JMSG_LENGTH_MAX, "Invalid handle"); \ |
| 231 | return -1; \ |
| 232 | } \ |
| 233 | cinfo = &this->cinfo; \ |
| 234 | this->jerr.warning = FALSE; \ |
| 235 | this->isInstanceError = FALSE; |
| 236 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 237 | #define GET_DINSTANCE(handle) \ |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 238 | tjinstance *this = (tjinstance *)handle; \ |
| 239 | j_decompress_ptr dinfo = NULL; \ |
| 240 | \ |
| 241 | if (!this) { \ |
| 242 | snprintf(errStr, JMSG_LENGTH_MAX, "Invalid handle"); \ |
| 243 | return -1; \ |
| 244 | } \ |
| 245 | dinfo = &this->dinfo; \ |
| 246 | this->jerr.warning = FALSE; \ |
| 247 | this->isInstanceError = FALSE; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 248 | |
| 249 | static int getPixelFormat(int pixelSize, int flags) |
| 250 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 251 | if (pixelSize == 1) return TJPF_GRAY; |
| 252 | if (pixelSize == 3) { |
| 253 | if (flags & TJ_BGR) return TJPF_BGR; |
| 254 | else return TJPF_RGB; |
| 255 | } |
| 256 | if (pixelSize == 4) { |
| 257 | if (flags & TJ_ALPHAFIRST) { |
| 258 | if (flags & TJ_BGR) return TJPF_XBGR; |
| 259 | else return TJPF_XRGB; |
| 260 | } else { |
| 261 | if (flags & TJ_BGR) return TJPF_BGRX; |
| 262 | else return TJPF_RGBX; |
| 263 | } |
| 264 | } |
| 265 | return -1; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 266 | } |
| 267 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 268 | static void setCompDefaults(struct jpeg_compress_struct *cinfo, |
| 269 | int pixelFormat, int subsamp, int jpegQual, |
| 270 | int flags) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 271 | { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 272 | #ifndef NO_GETENV |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 273 | char *env = NULL; |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 274 | #endif |
hbono@chromium.org | c6beb74 | 2011-11-29 05:16:26 +0000 | [diff] [blame] | 275 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 276 | cinfo->in_color_space = pf2cs[pixelFormat]; |
| 277 | cinfo->input_components = tjPixelSize[pixelFormat]; |
| 278 | jpeg_set_defaults(cinfo); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 279 | |
| 280 | #ifndef NO_GETENV |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 281 | if ((env = getenv("TJ_OPTIMIZE")) != NULL && strlen(env) > 0 && |
| 282 | !strcmp(env, "1")) |
| 283 | cinfo->optimize_coding = TRUE; |
| 284 | if ((env = getenv("TJ_ARITHMETIC")) != NULL && strlen(env) > 0 && |
| 285 | !strcmp(env, "1")) |
| 286 | cinfo->arith_code = TRUE; |
| 287 | if ((env = getenv("TJ_RESTART")) != NULL && strlen(env) > 0) { |
| 288 | int temp = -1; |
| 289 | char tempc = 0; |
| 290 | |
| 291 | if (sscanf(env, "%d%c", &temp, &tempc) >= 1 && temp >= 0 && |
| 292 | temp <= 65535) { |
| 293 | if (toupper(tempc) == 'B') { |
| 294 | cinfo->restart_interval = temp; |
| 295 | cinfo->restart_in_rows = 0; |
| 296 | } else |
| 297 | cinfo->restart_in_rows = temp; |
| 298 | } |
| 299 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 300 | #endif |
| 301 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 302 | if (jpegQual >= 0) { |
| 303 | jpeg_set_quality(cinfo, jpegQual, TRUE); |
| 304 | if (jpegQual >= 96 || flags & TJFLAG_ACCURATEDCT) |
| 305 | cinfo->dct_method = JDCT_ISLOW; |
| 306 | else |
| 307 | cinfo->dct_method = JDCT_FASTEST; |
| 308 | } |
| 309 | if (subsamp == TJSAMP_GRAY) |
| 310 | jpeg_set_colorspace(cinfo, JCS_GRAYSCALE); |
| 311 | else if (pixelFormat == TJPF_CMYK) |
| 312 | jpeg_set_colorspace(cinfo, JCS_YCCK); |
| 313 | else |
| 314 | jpeg_set_colorspace(cinfo, JCS_YCbCr); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 315 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 316 | if (flags & TJFLAG_PROGRESSIVE) |
| 317 | jpeg_simple_progression(cinfo); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 318 | #ifndef NO_GETENV |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 319 | else if ((env = getenv("TJ_PROGRESSIVE")) != NULL && strlen(env) > 0 && |
| 320 | !strcmp(env, "1")) |
| 321 | jpeg_simple_progression(cinfo); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 322 | #endif |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 323 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 324 | cinfo->comp_info[0].h_samp_factor = tjMCUWidth[subsamp] / 8; |
| 325 | cinfo->comp_info[1].h_samp_factor = 1; |
| 326 | cinfo->comp_info[2].h_samp_factor = 1; |
| 327 | if (cinfo->num_components > 3) |
| 328 | cinfo->comp_info[3].h_samp_factor = tjMCUWidth[subsamp] / 8; |
| 329 | cinfo->comp_info[0].v_samp_factor = tjMCUHeight[subsamp] / 8; |
| 330 | cinfo->comp_info[1].v_samp_factor = 1; |
| 331 | cinfo->comp_info[2].v_samp_factor = 1; |
| 332 | if (cinfo->num_components > 3) |
| 333 | cinfo->comp_info[3].v_samp_factor = tjMCUHeight[subsamp] / 8; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 334 | } |
| 335 | |
| 336 | |
| 337 | static int getSubsamp(j_decompress_ptr dinfo) |
| 338 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 339 | int retval = -1, i, k; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 340 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 341 | /* The sampling factors actually have no meaning with grayscale JPEG files, |
| 342 | and in fact it's possible to generate grayscale JPEGs with sampling |
| 343 | factors > 1 (even though those sampling factors are ignored by the |
| 344 | decompressor.) Thus, we need to treat grayscale as a special case. */ |
| 345 | if (dinfo->num_components == 1 && dinfo->jpeg_color_space == JCS_GRAYSCALE) |
| 346 | return TJSAMP_GRAY; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 347 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 348 | for (i = 0; i < NUMSUBOPT; i++) { |
| 349 | if (dinfo->num_components == pixelsize[i] || |
| 350 | ((dinfo->jpeg_color_space == JCS_YCCK || |
| 351 | dinfo->jpeg_color_space == JCS_CMYK) && |
| 352 | pixelsize[i] == 3 && dinfo->num_components == 4)) { |
| 353 | if (dinfo->comp_info[0].h_samp_factor == tjMCUWidth[i] / 8 && |
| 354 | dinfo->comp_info[0].v_samp_factor == tjMCUHeight[i] / 8) { |
| 355 | int match = 0; |
| 356 | |
| 357 | for (k = 1; k < dinfo->num_components; k++) { |
| 358 | int href = 1, vref = 1; |
| 359 | |
| 360 | if ((dinfo->jpeg_color_space == JCS_YCCK || |
| 361 | dinfo->jpeg_color_space == JCS_CMYK) && k == 3) { |
| 362 | href = tjMCUWidth[i] / 8; vref = tjMCUHeight[i] / 8; |
| 363 | } |
| 364 | if (dinfo->comp_info[k].h_samp_factor == href && |
| 365 | dinfo->comp_info[k].v_samp_factor == vref) |
| 366 | match++; |
| 367 | } |
| 368 | if (match == dinfo->num_components - 1) { |
| 369 | retval = i; break; |
| 370 | } |
| 371 | } |
| 372 | /* Handle 4:2:2 and 4:4:0 images whose sampling factors are specified |
| 373 | in non-standard ways. */ |
| 374 | if (dinfo->comp_info[0].h_samp_factor == 2 && |
| 375 | dinfo->comp_info[0].v_samp_factor == 2 && |
| 376 | (i == TJSAMP_422 || i == TJSAMP_440)) { |
| 377 | int match = 0; |
| 378 | |
| 379 | for (k = 1; k < dinfo->num_components; k++) { |
| 380 | int href = tjMCUHeight[i] / 8, vref = tjMCUWidth[i] / 8; |
| 381 | |
| 382 | if ((dinfo->jpeg_color_space == JCS_YCCK || |
| 383 | dinfo->jpeg_color_space == JCS_CMYK) && k == 3) { |
| 384 | href = vref = 2; |
| 385 | } |
| 386 | if (dinfo->comp_info[k].h_samp_factor == href && |
| 387 | dinfo->comp_info[k].v_samp_factor == vref) |
| 388 | match++; |
| 389 | } |
| 390 | if (match == dinfo->num_components - 1) { |
| 391 | retval = i; break; |
| 392 | } |
| 393 | } |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 394 | /* Handle 4:4:4 images whose sampling factors are specified in |
| 395 | non-standard ways. */ |
| 396 | if (dinfo->comp_info[0].h_samp_factor * |
| 397 | dinfo->comp_info[0].v_samp_factor <= |
| 398 | D_MAX_BLOCKS_IN_MCU / pixelsize[i] && i == TJSAMP_444) { |
| 399 | int match = 0; |
| 400 | for (k = 1; k < dinfo->num_components; k++) { |
| 401 | if (dinfo->comp_info[k].h_samp_factor == |
| 402 | dinfo->comp_info[0].h_samp_factor && |
| 403 | dinfo->comp_info[k].v_samp_factor == |
| 404 | dinfo->comp_info[0].v_samp_factor) |
| 405 | match++; |
| 406 | if (match == dinfo->num_components - 1) { |
| 407 | retval = i; break; |
| 408 | } |
| 409 | } |
| 410 | } |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 411 | } |
| 412 | } |
| 413 | return retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | |
| 417 | /* General API functions */ |
| 418 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 419 | DLLEXPORT char *tjGetErrorStr2(tjhandle handle) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 420 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 421 | tjinstance *this = (tjinstance *)handle; |
| 422 | |
| 423 | if (this && this->isInstanceError) { |
| 424 | this->isInstanceError = FALSE; |
| 425 | return this->errStr; |
| 426 | } else |
| 427 | return errStr; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 431 | DLLEXPORT char *tjGetErrorStr(void) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 432 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 433 | return errStr; |
| 434 | } |
| 435 | |
| 436 | |
| 437 | DLLEXPORT int tjGetErrorCode(tjhandle handle) |
| 438 | { |
| 439 | tjinstance *this = (tjinstance *)handle; |
| 440 | |
| 441 | if (this && this->jerr.warning) return TJERR_WARNING; |
| 442 | else return TJERR_FATAL; |
| 443 | } |
| 444 | |
| 445 | |
| 446 | DLLEXPORT int tjDestroy(tjhandle handle) |
| 447 | { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 448 | GET_INSTANCE(handle); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 449 | |
| 450 | if (setjmp(this->jerr.setjmp_buffer)) return -1; |
| 451 | if (this->init & COMPRESS) jpeg_destroy_compress(cinfo); |
| 452 | if (this->init & DECOMPRESS) jpeg_destroy_decompress(dinfo); |
| 453 | free(this); |
| 454 | return 0; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 455 | } |
| 456 | |
| 457 | |
| 458 | /* These are exposed mainly because Windows can't malloc() and free() across |
| 459 | DLL boundaries except when the CRT DLL is used, and we don't use the CRT DLL |
| 460 | with turbojpeg.dll for compatibility reasons. However, these functions |
| 461 | can potentially be used for other purposes by different implementations. */ |
| 462 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 463 | DLLEXPORT void tjFree(unsigned char *buf) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 464 | { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 465 | free(buf); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 466 | } |
| 467 | |
| 468 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 469 | DLLEXPORT unsigned char *tjAlloc(int bytes) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 470 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 471 | return (unsigned char *)malloc(bytes); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 472 | } |
| 473 | |
| 474 | |
| 475 | /* Compressor */ |
| 476 | |
| 477 | static tjhandle _tjInitCompress(tjinstance *this) |
| 478 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 479 | static unsigned char buffer[1]; |
| 480 | unsigned char *buf = buffer; |
| 481 | unsigned long size = 1; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 482 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 483 | /* This is also straight out of example.txt */ |
| 484 | this->cinfo.err = jpeg_std_error(&this->jerr.pub); |
| 485 | this->jerr.pub.error_exit = my_error_exit; |
| 486 | this->jerr.pub.output_message = my_output_message; |
| 487 | this->jerr.emit_message = this->jerr.pub.emit_message; |
| 488 | this->jerr.pub.emit_message = my_emit_message; |
| 489 | this->jerr.pub.addon_message_table = turbojpeg_message_table; |
| 490 | this->jerr.pub.first_addon_message = JMSG_FIRSTADDONCODE; |
| 491 | this->jerr.pub.last_addon_message = JMSG_LASTADDONCODE; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 492 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 493 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 494 | /* If we get here, the JPEG code has signaled an error. */ |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 495 | free(this); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 496 | return NULL; |
| 497 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 498 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 499 | jpeg_create_compress(&this->cinfo); |
| 500 | /* Make an initial call so it will create the destination manager */ |
| 501 | jpeg_mem_dest_tj(&this->cinfo, &buf, &size, 0); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 502 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 503 | this->init |= COMPRESS; |
| 504 | return (tjhandle)this; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 505 | } |
| 506 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 507 | DLLEXPORT tjhandle tjInitCompress(void) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 508 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 509 | tjinstance *this = NULL; |
| 510 | |
| 511 | if ((this = (tjinstance *)malloc(sizeof(tjinstance))) == NULL) { |
| 512 | snprintf(errStr, JMSG_LENGTH_MAX, |
| 513 | "tjInitCompress(): Memory allocation failure"); |
| 514 | return NULL; |
| 515 | } |
| 516 | MEMZERO(this, sizeof(tjinstance)); |
| 517 | snprintf(this->errStr, JMSG_LENGTH_MAX, "No error"); |
| 518 | return _tjInitCompress(this); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 519 | } |
| 520 | |
| 521 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 522 | DLLEXPORT unsigned long tjBufSize(int width, int height, int jpegSubsamp) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 523 | { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 524 | unsigned long long retval = 0; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 525 | int mcuw, mcuh, chromasf; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 526 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 527 | if (width < 1 || height < 1 || jpegSubsamp < 0 || jpegSubsamp >= NUMSUBOPT) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 528 | THROWG("tjBufSize(): Invalid argument"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 529 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 530 | /* This allows for rare corner cases in which a JPEG image can actually be |
| 531 | larger than the uncompressed input (we wouldn't mention it if it hadn't |
| 532 | happened before.) */ |
| 533 | mcuw = tjMCUWidth[jpegSubsamp]; |
| 534 | mcuh = tjMCUHeight[jpegSubsamp]; |
| 535 | chromasf = jpegSubsamp == TJSAMP_GRAY ? 0 : 4 * 64 / (mcuw * mcuh); |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 536 | retval = PAD(width, mcuw) * PAD(height, mcuh) * (2ULL + chromasf) + 2048ULL; |
| 537 | if (retval > (unsigned long long)((unsigned long)-1)) |
| 538 | THROWG("tjBufSize(): Image is too large"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 539 | |
| 540 | bailout: |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 541 | return (unsigned long)retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 542 | } |
| 543 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 544 | DLLEXPORT unsigned long TJBUFSIZE(int width, int height) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 545 | { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 546 | unsigned long long retval = 0; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 547 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 548 | if (width < 1 || height < 1) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 549 | THROWG("TJBUFSIZE(): Invalid argument"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 550 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 551 | /* This allows for rare corner cases in which a JPEG image can actually be |
| 552 | larger than the uncompressed input (we wouldn't mention it if it hadn't |
| 553 | happened before.) */ |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 554 | retval = PAD(width, 16) * PAD(height, 16) * 6ULL + 2048ULL; |
| 555 | if (retval > (unsigned long long)((unsigned long)-1)) |
| 556 | THROWG("TJBUFSIZE(): Image is too large"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 557 | |
| 558 | bailout: |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 559 | return (unsigned long)retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 560 | } |
| 561 | |
| 562 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 563 | DLLEXPORT unsigned long tjBufSizeYUV2(int width, int pad, int height, |
| 564 | int subsamp) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 565 | { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 566 | unsigned long long retval = 0; |
| 567 | int nc, i; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 568 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 569 | if (subsamp < 0 || subsamp >= NUMSUBOPT) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 570 | THROWG("tjBufSizeYUV2(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 571 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 572 | nc = (subsamp == TJSAMP_GRAY ? 1 : 3); |
| 573 | for (i = 0; i < nc; i++) { |
| 574 | int pw = tjPlaneWidth(i, width, subsamp); |
| 575 | int stride = PAD(pw, pad); |
| 576 | int ph = tjPlaneHeight(i, height, subsamp); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 577 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 578 | if (pw < 0 || ph < 0) return -1; |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 579 | else retval += (unsigned long long)stride * ph; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 580 | } |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 581 | if (retval > (unsigned long long)((unsigned long)-1)) |
| 582 | THROWG("tjBufSizeYUV2(): Image is too large"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 583 | |
| 584 | bailout: |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 585 | return (unsigned long)retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 586 | } |
| 587 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 588 | DLLEXPORT unsigned long tjBufSizeYUV(int width, int height, int subsamp) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 589 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 590 | return tjBufSizeYUV2(width, 4, height, subsamp); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 591 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 592 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 593 | DLLEXPORT unsigned long TJBUFSIZEYUV(int width, int height, int subsamp) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 594 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 595 | return tjBufSizeYUV(width, height, subsamp); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 596 | } |
| 597 | |
| 598 | |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 599 | DLLEXPORT int tjPlaneWidth(int componentID, int width, int subsamp) |
| 600 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 601 | int pw, nc, retval = 0; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 602 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 603 | if (width < 1 || subsamp < 0 || subsamp >= TJ_NUMSAMP) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 604 | THROWG("tjPlaneWidth(): Invalid argument"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 605 | nc = (subsamp == TJSAMP_GRAY ? 1 : 3); |
| 606 | if (componentID < 0 || componentID >= nc) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 607 | THROWG("tjPlaneWidth(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 608 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 609 | pw = PAD(width, tjMCUWidth[subsamp] / 8); |
| 610 | if (componentID == 0) |
| 611 | retval = pw; |
| 612 | else |
| 613 | retval = pw * 8 / tjMCUWidth[subsamp]; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 614 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 615 | bailout: |
| 616 | return retval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 617 | } |
| 618 | |
| 619 | |
| 620 | DLLEXPORT int tjPlaneHeight(int componentID, int height, int subsamp) |
| 621 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 622 | int ph, nc, retval = 0; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 623 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 624 | if (height < 1 || subsamp < 0 || subsamp >= TJ_NUMSAMP) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 625 | THROWG("tjPlaneHeight(): Invalid argument"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 626 | nc = (subsamp == TJSAMP_GRAY ? 1 : 3); |
| 627 | if (componentID < 0 || componentID >= nc) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 628 | THROWG("tjPlaneHeight(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 629 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 630 | ph = PAD(height, tjMCUHeight[subsamp] / 8); |
| 631 | if (componentID == 0) |
| 632 | retval = ph; |
| 633 | else |
| 634 | retval = ph * 8 / tjMCUHeight[subsamp]; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 635 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 636 | bailout: |
| 637 | return retval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 638 | } |
| 639 | |
| 640 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 641 | DLLEXPORT unsigned long tjPlaneSizeYUV(int componentID, int width, int stride, |
| 642 | int height, int subsamp) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 643 | { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 644 | unsigned long long retval = 0; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 645 | int pw, ph; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 646 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 647 | if (width < 1 || height < 1 || subsamp < 0 || subsamp >= NUMSUBOPT) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 648 | THROWG("tjPlaneSizeYUV(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 649 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 650 | pw = tjPlaneWidth(componentID, width, subsamp); |
| 651 | ph = tjPlaneHeight(componentID, height, subsamp); |
| 652 | if (pw < 0 || ph < 0) return -1; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 653 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 654 | if (stride == 0) stride = pw; |
| 655 | else stride = abs(stride); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 656 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 657 | retval = (unsigned long long)stride * (ph - 1) + pw; |
| 658 | if (retval > (unsigned long long)((unsigned long)-1)) |
| 659 | THROWG("tjPlaneSizeYUV(): Image is too large"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 660 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 661 | bailout: |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 662 | return (unsigned long)retval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 663 | } |
| 664 | |
| 665 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 666 | DLLEXPORT int tjCompress2(tjhandle handle, const unsigned char *srcBuf, |
| 667 | int width, int pitch, int height, int pixelFormat, |
| 668 | unsigned char **jpegBuf, unsigned long *jpegSize, |
| 669 | int jpegSubsamp, int jpegQual, int flags) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 670 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 671 | int i, retval = 0, alloc = 1; |
| 672 | JSAMPROW *row_pointer = NULL; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 673 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 674 | GET_CINSTANCE(handle) |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 675 | this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE; |
| 676 | if ((this->init & COMPRESS) == 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 677 | THROW("tjCompress2(): Instance has not been initialized for compression"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 678 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 679 | if (srcBuf == NULL || width <= 0 || pitch < 0 || height <= 0 || |
| 680 | pixelFormat < 0 || pixelFormat >= TJ_NUMPF || jpegBuf == NULL || |
| 681 | jpegSize == NULL || jpegSubsamp < 0 || jpegSubsamp >= NUMSUBOPT || |
| 682 | jpegQual < 0 || jpegQual > 100) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 683 | THROW("tjCompress2(): Invalid argument"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 684 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 685 | if (pitch == 0) pitch = width * tjPixelSize[pixelFormat]; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 686 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 687 | if ((row_pointer = (JSAMPROW *)malloc(sizeof(JSAMPROW) * height)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 688 | THROW("tjCompress2(): Memory allocation failure"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 689 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 690 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 691 | /* If we get here, the JPEG code has signaled an error. */ |
| 692 | retval = -1; goto bailout; |
| 693 | } |
hbono@chromium.org | df5ffdd | 2012-05-11 07:46:03 +0000 | [diff] [blame] | 694 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 695 | cinfo->image_width = width; |
| 696 | cinfo->image_height = height; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 697 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 698 | #ifndef NO_PUTENV |
| 699 | if (flags & TJFLAG_FORCEMMX) putenv("JSIMD_FORCEMMX=1"); |
| 700 | else if (flags & TJFLAG_FORCESSE) putenv("JSIMD_FORCESSE=1"); |
| 701 | else if (flags & TJFLAG_FORCESSE2) putenv("JSIMD_FORCESSE2=1"); |
| 702 | #endif |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 703 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 704 | if (flags & TJFLAG_NOREALLOC) { |
| 705 | alloc = 0; *jpegSize = tjBufSize(width, height, jpegSubsamp); |
| 706 | } |
| 707 | jpeg_mem_dest_tj(cinfo, jpegBuf, jpegSize, alloc); |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 708 | setCompDefaults(cinfo, pixelFormat, jpegSubsamp, jpegQual, flags); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 709 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 710 | jpeg_start_compress(cinfo, TRUE); |
| 711 | for (i = 0; i < height; i++) { |
| 712 | if (flags & TJFLAG_BOTTOMUP) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 713 | row_pointer[i] = (JSAMPROW)&srcBuf[(height - i - 1) * (size_t)pitch]; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 714 | else |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 715 | row_pointer[i] = (JSAMPROW)&srcBuf[i * (size_t)pitch]; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 716 | } |
| 717 | while (cinfo->next_scanline < cinfo->image_height) |
| 718 | jpeg_write_scanlines(cinfo, &row_pointer[cinfo->next_scanline], |
| 719 | cinfo->image_height - cinfo->next_scanline); |
| 720 | jpeg_finish_compress(cinfo); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 721 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 722 | bailout: |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 723 | if (cinfo->global_state > CSTATE_START) { |
| 724 | if (alloc) (*cinfo->dest->term_destination) (cinfo); |
| 725 | jpeg_abort_compress(cinfo); |
| 726 | } |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 727 | free(row_pointer); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 728 | if (this->jerr.warning) retval = -1; |
| 729 | this->jerr.stopOnWarning = FALSE; |
| 730 | return retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 731 | } |
| 732 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 733 | DLLEXPORT int tjCompress(tjhandle handle, unsigned char *srcBuf, int width, |
| 734 | int pitch, int height, int pixelSize, |
| 735 | unsigned char *jpegBuf, unsigned long *jpegSize, |
| 736 | int jpegSubsamp, int jpegQual, int flags) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 737 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 738 | int retval = 0; |
| 739 | unsigned long size; |
| 740 | |
| 741 | if (flags & TJ_YUV) { |
| 742 | size = tjBufSizeYUV(width, height, jpegSubsamp); |
| 743 | retval = tjEncodeYUV2(handle, srcBuf, width, pitch, height, |
| 744 | getPixelFormat(pixelSize, flags), jpegBuf, |
| 745 | jpegSubsamp, flags); |
| 746 | } else { |
| 747 | retval = tjCompress2(handle, srcBuf, width, pitch, height, |
| 748 | getPixelFormat(pixelSize, flags), &jpegBuf, &size, |
| 749 | jpegSubsamp, jpegQual, flags | TJFLAG_NOREALLOC); |
| 750 | } |
| 751 | *jpegSize = size; |
| 752 | return retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 753 | } |
| 754 | |
| 755 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 756 | DLLEXPORT int tjEncodeYUVPlanes(tjhandle handle, const unsigned char *srcBuf, |
| 757 | int width, int pitch, int height, |
| 758 | int pixelFormat, unsigned char **dstPlanes, |
| 759 | int *strides, int subsamp, int flags) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 760 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 761 | JSAMPROW *row_pointer = NULL; |
| 762 | JSAMPLE *_tmpbuf[MAX_COMPONENTS], *_tmpbuf2[MAX_COMPONENTS]; |
| 763 | JSAMPROW *tmpbuf[MAX_COMPONENTS], *tmpbuf2[MAX_COMPONENTS]; |
| 764 | JSAMPROW *outbuf[MAX_COMPONENTS]; |
| 765 | int i, retval = 0, row, pw0, ph0, pw[MAX_COMPONENTS], ph[MAX_COMPONENTS]; |
| 766 | JSAMPLE *ptr; |
| 767 | jpeg_component_info *compptr; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 768 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 769 | GET_CINSTANCE(handle); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 770 | this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 771 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 772 | for (i = 0; i < MAX_COMPONENTS; i++) { |
| 773 | tmpbuf[i] = NULL; _tmpbuf[i] = NULL; |
| 774 | tmpbuf2[i] = NULL; _tmpbuf2[i] = NULL; outbuf[i] = NULL; |
| 775 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 776 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 777 | if ((this->init & COMPRESS) == 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 778 | THROW("tjEncodeYUVPlanes(): Instance has not been initialized for compression"); |
noel@chromium.org | 3395bcc | 2014-04-14 06:56:00 +0000 | [diff] [blame] | 779 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 780 | if (srcBuf == NULL || width <= 0 || pitch < 0 || height <= 0 || |
| 781 | pixelFormat < 0 || pixelFormat >= TJ_NUMPF || !dstPlanes || |
| 782 | !dstPlanes[0] || subsamp < 0 || subsamp >= NUMSUBOPT) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 783 | THROW("tjEncodeYUVPlanes(): Invalid argument"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 784 | if (subsamp != TJSAMP_GRAY && (!dstPlanes[1] || !dstPlanes[2])) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 785 | THROW("tjEncodeYUVPlanes(): Invalid argument"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 786 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 787 | if (pixelFormat == TJPF_CMYK) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 788 | THROW("tjEncodeYUVPlanes(): Cannot generate YUV images from CMYK pixels"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 789 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 790 | if (pitch == 0) pitch = width * tjPixelSize[pixelFormat]; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 791 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 792 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 793 | /* If we get here, the JPEG code has signaled an error. */ |
| 794 | retval = -1; goto bailout; |
| 795 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 796 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 797 | cinfo->image_width = width; |
| 798 | cinfo->image_height = height; |
hbono@chromium.org | df5ffdd | 2012-05-11 07:46:03 +0000 | [diff] [blame] | 799 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 800 | #ifndef NO_PUTENV |
| 801 | if (flags & TJFLAG_FORCEMMX) putenv("JSIMD_FORCEMMX=1"); |
| 802 | else if (flags & TJFLAG_FORCESSE) putenv("JSIMD_FORCESSE=1"); |
| 803 | else if (flags & TJFLAG_FORCESSE2) putenv("JSIMD_FORCESSE2=1"); |
| 804 | #endif |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 805 | |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 806 | setCompDefaults(cinfo, pixelFormat, subsamp, -1, flags); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 807 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 808 | /* Execute only the parts of jpeg_start_compress() that we need. If we |
| 809 | were to call the whole jpeg_start_compress() function, then it would try |
| 810 | to write the file headers, which could overflow the output buffer if the |
| 811 | YUV image were very small. */ |
| 812 | if (cinfo->global_state != CSTATE_START) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 813 | THROW("tjEncodeYUVPlanes(): libjpeg API is in the wrong state"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 814 | (*cinfo->err->reset_error_mgr) ((j_common_ptr)cinfo); |
| 815 | jinit_c_master_control(cinfo, FALSE); |
| 816 | jinit_color_converter(cinfo); |
| 817 | jinit_downsampler(cinfo); |
| 818 | (*cinfo->cconvert->start_pass) (cinfo); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 819 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 820 | pw0 = PAD(width, cinfo->max_h_samp_factor); |
| 821 | ph0 = PAD(height, cinfo->max_v_samp_factor); |
noel@chromium.org | 3395bcc | 2014-04-14 06:56:00 +0000 | [diff] [blame] | 822 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 823 | if ((row_pointer = (JSAMPROW *)malloc(sizeof(JSAMPROW) * ph0)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 824 | THROW("tjEncodeYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 825 | for (i = 0; i < height; i++) { |
| 826 | if (flags & TJFLAG_BOTTOMUP) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 827 | row_pointer[i] = (JSAMPROW)&srcBuf[(height - i - 1) * (size_t)pitch]; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 828 | else |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 829 | row_pointer[i] = (JSAMPROW)&srcBuf[i * (size_t)pitch]; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 830 | } |
| 831 | if (height < ph0) |
| 832 | for (i = height; i < ph0; i++) row_pointer[i] = row_pointer[height - 1]; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 833 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 834 | for (i = 0; i < cinfo->num_components; i++) { |
| 835 | compptr = &cinfo->comp_info[i]; |
| 836 | _tmpbuf[i] = (JSAMPLE *)malloc( |
| 837 | PAD((compptr->width_in_blocks * cinfo->max_h_samp_factor * DCTSIZE) / |
| 838 | compptr->h_samp_factor, 32) * |
| 839 | cinfo->max_v_samp_factor + 32); |
| 840 | if (!_tmpbuf[i]) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 841 | THROW("tjEncodeYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 842 | tmpbuf[i] = |
| 843 | (JSAMPROW *)malloc(sizeof(JSAMPROW) * cinfo->max_v_samp_factor); |
| 844 | if (!tmpbuf[i]) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 845 | THROW("tjEncodeYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 846 | for (row = 0; row < cinfo->max_v_samp_factor; row++) { |
| 847 | unsigned char *_tmpbuf_aligned = |
| 848 | (unsigned char *)PAD((size_t)_tmpbuf[i], 32); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 849 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 850 | tmpbuf[i][row] = &_tmpbuf_aligned[ |
| 851 | PAD((compptr->width_in_blocks * cinfo->max_h_samp_factor * DCTSIZE) / |
| 852 | compptr->h_samp_factor, 32) * row]; |
| 853 | } |
| 854 | _tmpbuf2[i] = |
| 855 | (JSAMPLE *)malloc(PAD(compptr->width_in_blocks * DCTSIZE, 32) * |
| 856 | compptr->v_samp_factor + 32); |
| 857 | if (!_tmpbuf2[i]) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 858 | THROW("tjEncodeYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 859 | tmpbuf2[i] = (JSAMPROW *)malloc(sizeof(JSAMPROW) * compptr->v_samp_factor); |
| 860 | if (!tmpbuf2[i]) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 861 | THROW("tjEncodeYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 862 | for (row = 0; row < compptr->v_samp_factor; row++) { |
| 863 | unsigned char *_tmpbuf2_aligned = |
| 864 | (unsigned char *)PAD((size_t)_tmpbuf2[i], 32); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 865 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 866 | tmpbuf2[i][row] = |
| 867 | &_tmpbuf2_aligned[PAD(compptr->width_in_blocks * DCTSIZE, 32) * row]; |
| 868 | } |
| 869 | pw[i] = pw0 * compptr->h_samp_factor / cinfo->max_h_samp_factor; |
| 870 | ph[i] = ph0 * compptr->v_samp_factor / cinfo->max_v_samp_factor; |
| 871 | outbuf[i] = (JSAMPROW *)malloc(sizeof(JSAMPROW) * ph[i]); |
| 872 | if (!outbuf[i]) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 873 | THROW("tjEncodeYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 874 | ptr = dstPlanes[i]; |
| 875 | for (row = 0; row < ph[i]; row++) { |
| 876 | outbuf[i][row] = ptr; |
| 877 | ptr += (strides && strides[i] != 0) ? strides[i] : pw[i]; |
| 878 | } |
| 879 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 880 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 881 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 882 | /* If we get here, the JPEG code has signaled an error. */ |
| 883 | retval = -1; goto bailout; |
| 884 | } |
| 885 | |
| 886 | for (row = 0; row < ph0; row += cinfo->max_v_samp_factor) { |
| 887 | (*cinfo->cconvert->color_convert) (cinfo, &row_pointer[row], tmpbuf, 0, |
| 888 | cinfo->max_v_samp_factor); |
| 889 | (cinfo->downsample->downsample) (cinfo, tmpbuf, 0, tmpbuf2, 0); |
| 890 | for (i = 0, compptr = cinfo->comp_info; i < cinfo->num_components; |
| 891 | i++, compptr++) |
| 892 | jcopy_sample_rows(tmpbuf2[i], 0, outbuf[i], |
| 893 | row * compptr->v_samp_factor / cinfo->max_v_samp_factor, |
| 894 | compptr->v_samp_factor, pw[i]); |
| 895 | } |
| 896 | cinfo->next_scanline += height; |
| 897 | jpeg_abort_compress(cinfo); |
| 898 | |
| 899 | bailout: |
| 900 | if (cinfo->global_state > CSTATE_START) jpeg_abort_compress(cinfo); |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 901 | free(row_pointer); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 902 | for (i = 0; i < MAX_COMPONENTS; i++) { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 903 | free(tmpbuf[i]); |
| 904 | free(_tmpbuf[i]); |
| 905 | free(tmpbuf2[i]); |
| 906 | free(_tmpbuf2[i]); |
| 907 | free(outbuf[i]); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 908 | } |
| 909 | if (this->jerr.warning) retval = -1; |
| 910 | this->jerr.stopOnWarning = FALSE; |
| 911 | return retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 912 | } |
| 913 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 914 | DLLEXPORT int tjEncodeYUV3(tjhandle handle, const unsigned char *srcBuf, |
| 915 | int width, int pitch, int height, int pixelFormat, |
| 916 | unsigned char *dstBuf, int pad, int subsamp, |
| 917 | int flags) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 918 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 919 | unsigned char *dstPlanes[3]; |
| 920 | int pw0, ph0, strides[3], retval = -1; |
| 921 | tjinstance *this = (tjinstance *)handle; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 922 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 923 | if (!this) THROWG("tjEncodeYUV3(): Invalid handle"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 924 | this->isInstanceError = FALSE; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 925 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 926 | if (width <= 0 || height <= 0 || dstBuf == NULL || pad < 0 || |
| 927 | !IS_POW2(pad) || subsamp < 0 || subsamp >= NUMSUBOPT) |
| 928 | THROW("tjEncodeYUV3(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 929 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 930 | pw0 = tjPlaneWidth(0, width, subsamp); |
| 931 | ph0 = tjPlaneHeight(0, height, subsamp); |
| 932 | dstPlanes[0] = dstBuf; |
| 933 | strides[0] = PAD(pw0, pad); |
| 934 | if (subsamp == TJSAMP_GRAY) { |
| 935 | strides[1] = strides[2] = 0; |
| 936 | dstPlanes[1] = dstPlanes[2] = NULL; |
| 937 | } else { |
| 938 | int pw1 = tjPlaneWidth(1, width, subsamp); |
| 939 | int ph1 = tjPlaneHeight(1, height, subsamp); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 940 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 941 | strides[1] = strides[2] = PAD(pw1, pad); |
| 942 | dstPlanes[1] = dstPlanes[0] + strides[0] * ph0; |
| 943 | dstPlanes[2] = dstPlanes[1] + strides[1] * ph1; |
| 944 | } |
| 945 | |
| 946 | return tjEncodeYUVPlanes(handle, srcBuf, width, pitch, height, pixelFormat, |
| 947 | dstPlanes, strides, subsamp, flags); |
| 948 | |
| 949 | bailout: |
| 950 | return retval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 951 | } |
| 952 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 953 | DLLEXPORT int tjEncodeYUV2(tjhandle handle, unsigned char *srcBuf, int width, |
| 954 | int pitch, int height, int pixelFormat, |
| 955 | unsigned char *dstBuf, int subsamp, int flags) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 956 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 957 | return tjEncodeYUV3(handle, srcBuf, width, pitch, height, pixelFormat, |
| 958 | dstBuf, 4, subsamp, flags); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 959 | } |
| 960 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 961 | DLLEXPORT int tjEncodeYUV(tjhandle handle, unsigned char *srcBuf, int width, |
| 962 | int pitch, int height, int pixelSize, |
| 963 | unsigned char *dstBuf, int subsamp, int flags) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 964 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 965 | return tjEncodeYUV2(handle, srcBuf, width, pitch, height, |
| 966 | getPixelFormat(pixelSize, flags), dstBuf, subsamp, |
| 967 | flags); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 968 | } |
| 969 | |
| 970 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 971 | DLLEXPORT int tjCompressFromYUVPlanes(tjhandle handle, |
| 972 | const unsigned char **srcPlanes, |
| 973 | int width, const int *strides, |
| 974 | int height, int subsamp, |
| 975 | unsigned char **jpegBuf, |
| 976 | unsigned long *jpegSize, int jpegQual, |
| 977 | int flags) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 978 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 979 | int i, row, retval = 0, alloc = 1; |
| 980 | int pw[MAX_COMPONENTS], ph[MAX_COMPONENTS], iw[MAX_COMPONENTS], |
| 981 | tmpbufsize = 0, usetmpbuf = 0, th[MAX_COMPONENTS]; |
| 982 | JSAMPLE *_tmpbuf = NULL, *ptr; |
| 983 | JSAMPROW *inbuf[MAX_COMPONENTS], *tmpbuf[MAX_COMPONENTS]; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 984 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 985 | GET_CINSTANCE(handle) |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 986 | this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 987 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 988 | for (i = 0; i < MAX_COMPONENTS; i++) { |
| 989 | tmpbuf[i] = NULL; inbuf[i] = NULL; |
| 990 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 991 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 992 | if ((this->init & COMPRESS) == 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 993 | THROW("tjCompressFromYUVPlanes(): Instance has not been initialized for compression"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 994 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 995 | if (!srcPlanes || !srcPlanes[0] || width <= 0 || height <= 0 || |
| 996 | subsamp < 0 || subsamp >= NUMSUBOPT || jpegBuf == NULL || |
| 997 | jpegSize == NULL || jpegQual < 0 || jpegQual > 100) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 998 | THROW("tjCompressFromYUVPlanes(): Invalid argument"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 999 | if (subsamp != TJSAMP_GRAY && (!srcPlanes[1] || !srcPlanes[2])) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1000 | THROW("tjCompressFromYUVPlanes(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1001 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1002 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1003 | /* If we get here, the JPEG code has signaled an error. */ |
| 1004 | retval = -1; goto bailout; |
| 1005 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1006 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1007 | cinfo->image_width = width; |
| 1008 | cinfo->image_height = height; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1009 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1010 | #ifndef NO_PUTENV |
| 1011 | if (flags & TJFLAG_FORCEMMX) putenv("JSIMD_FORCEMMX=1"); |
| 1012 | else if (flags & TJFLAG_FORCESSE) putenv("JSIMD_FORCESSE=1"); |
| 1013 | else if (flags & TJFLAG_FORCESSE2) putenv("JSIMD_FORCESSE2=1"); |
| 1014 | #endif |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1015 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1016 | if (flags & TJFLAG_NOREALLOC) { |
| 1017 | alloc = 0; *jpegSize = tjBufSize(width, height, subsamp); |
| 1018 | } |
| 1019 | jpeg_mem_dest_tj(cinfo, jpegBuf, jpegSize, alloc); |
Jonathan Wright | bbb8282 | 2020-11-25 13:36:43 +0000 | [diff] [blame] | 1020 | setCompDefaults(cinfo, TJPF_RGB, subsamp, jpegQual, flags); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1021 | cinfo->raw_data_in = TRUE; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1022 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1023 | jpeg_start_compress(cinfo, TRUE); |
| 1024 | for (i = 0; i < cinfo->num_components; i++) { |
| 1025 | jpeg_component_info *compptr = &cinfo->comp_info[i]; |
| 1026 | int ih; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1027 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1028 | iw[i] = compptr->width_in_blocks * DCTSIZE; |
| 1029 | ih = compptr->height_in_blocks * DCTSIZE; |
| 1030 | pw[i] = PAD(cinfo->image_width, cinfo->max_h_samp_factor) * |
| 1031 | compptr->h_samp_factor / cinfo->max_h_samp_factor; |
| 1032 | ph[i] = PAD(cinfo->image_height, cinfo->max_v_samp_factor) * |
| 1033 | compptr->v_samp_factor / cinfo->max_v_samp_factor; |
| 1034 | if (iw[i] != pw[i] || ih != ph[i]) usetmpbuf = 1; |
| 1035 | th[i] = compptr->v_samp_factor * DCTSIZE; |
| 1036 | tmpbufsize += iw[i] * th[i]; |
| 1037 | if ((inbuf[i] = (JSAMPROW *)malloc(sizeof(JSAMPROW) * ph[i])) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1038 | THROW("tjCompressFromYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1039 | ptr = (JSAMPLE *)srcPlanes[i]; |
| 1040 | for (row = 0; row < ph[i]; row++) { |
| 1041 | inbuf[i][row] = ptr; |
| 1042 | ptr += (strides && strides[i] != 0) ? strides[i] : pw[i]; |
| 1043 | } |
| 1044 | } |
| 1045 | if (usetmpbuf) { |
| 1046 | if ((_tmpbuf = (JSAMPLE *)malloc(sizeof(JSAMPLE) * tmpbufsize)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1047 | THROW("tjCompressFromYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1048 | ptr = _tmpbuf; |
| 1049 | for (i = 0; i < cinfo->num_components; i++) { |
| 1050 | if ((tmpbuf[i] = (JSAMPROW *)malloc(sizeof(JSAMPROW) * th[i])) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1051 | THROW("tjCompressFromYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1052 | for (row = 0; row < th[i]; row++) { |
| 1053 | tmpbuf[i][row] = ptr; |
| 1054 | ptr += iw[i]; |
| 1055 | } |
| 1056 | } |
| 1057 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1058 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1059 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1060 | /* If we get here, the JPEG code has signaled an error. */ |
| 1061 | retval = -1; goto bailout; |
| 1062 | } |
| 1063 | |
| 1064 | for (row = 0; row < (int)cinfo->image_height; |
| 1065 | row += cinfo->max_v_samp_factor * DCTSIZE) { |
| 1066 | JSAMPARRAY yuvptr[MAX_COMPONENTS]; |
| 1067 | int crow[MAX_COMPONENTS]; |
| 1068 | |
| 1069 | for (i = 0; i < cinfo->num_components; i++) { |
| 1070 | jpeg_component_info *compptr = &cinfo->comp_info[i]; |
| 1071 | |
| 1072 | crow[i] = row * compptr->v_samp_factor / cinfo->max_v_samp_factor; |
| 1073 | if (usetmpbuf) { |
| 1074 | int j, k; |
| 1075 | |
| 1076 | for (j = 0; j < MIN(th[i], ph[i] - crow[i]); j++) { |
| 1077 | memcpy(tmpbuf[i][j], inbuf[i][crow[i] + j], pw[i]); |
| 1078 | /* Duplicate last sample in row to fill out MCU */ |
| 1079 | for (k = pw[i]; k < iw[i]; k++) |
| 1080 | tmpbuf[i][j][k] = tmpbuf[i][j][pw[i] - 1]; |
| 1081 | } |
| 1082 | /* Duplicate last row to fill out MCU */ |
| 1083 | for (j = ph[i] - crow[i]; j < th[i]; j++) |
| 1084 | memcpy(tmpbuf[i][j], tmpbuf[i][ph[i] - crow[i] - 1], iw[i]); |
| 1085 | yuvptr[i] = tmpbuf[i]; |
| 1086 | } else |
| 1087 | yuvptr[i] = &inbuf[i][crow[i]]; |
| 1088 | } |
| 1089 | jpeg_write_raw_data(cinfo, yuvptr, cinfo->max_v_samp_factor * DCTSIZE); |
| 1090 | } |
| 1091 | jpeg_finish_compress(cinfo); |
| 1092 | |
| 1093 | bailout: |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 1094 | if (cinfo->global_state > CSTATE_START) { |
| 1095 | if (alloc) (*cinfo->dest->term_destination) (cinfo); |
| 1096 | jpeg_abort_compress(cinfo); |
| 1097 | } |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1098 | for (i = 0; i < MAX_COMPONENTS; i++) { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1099 | free(tmpbuf[i]); |
| 1100 | free(inbuf[i]); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1101 | } |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1102 | free(_tmpbuf); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1103 | if (this->jerr.warning) retval = -1; |
| 1104 | this->jerr.stopOnWarning = FALSE; |
| 1105 | return retval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1106 | } |
| 1107 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1108 | DLLEXPORT int tjCompressFromYUV(tjhandle handle, const unsigned char *srcBuf, |
| 1109 | int width, int pad, int height, int subsamp, |
| 1110 | unsigned char **jpegBuf, |
| 1111 | unsigned long *jpegSize, int jpegQual, |
| 1112 | int flags) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1113 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1114 | const unsigned char *srcPlanes[3]; |
| 1115 | int pw0, ph0, strides[3], retval = -1; |
| 1116 | tjinstance *this = (tjinstance *)handle; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1117 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1118 | if (!this) THROWG("tjCompressFromYUV(): Invalid handle"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1119 | this->isInstanceError = FALSE; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1120 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1121 | if (srcBuf == NULL || width <= 0 || pad < 1 || height <= 0 || subsamp < 0 || |
| 1122 | subsamp >= NUMSUBOPT) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1123 | THROW("tjCompressFromYUV(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1124 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1125 | pw0 = tjPlaneWidth(0, width, subsamp); |
| 1126 | ph0 = tjPlaneHeight(0, height, subsamp); |
| 1127 | srcPlanes[0] = srcBuf; |
| 1128 | strides[0] = PAD(pw0, pad); |
| 1129 | if (subsamp == TJSAMP_GRAY) { |
| 1130 | strides[1] = strides[2] = 0; |
| 1131 | srcPlanes[1] = srcPlanes[2] = NULL; |
| 1132 | } else { |
| 1133 | int pw1 = tjPlaneWidth(1, width, subsamp); |
| 1134 | int ph1 = tjPlaneHeight(1, height, subsamp); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1135 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1136 | strides[1] = strides[2] = PAD(pw1, pad); |
| 1137 | srcPlanes[1] = srcPlanes[0] + strides[0] * ph0; |
| 1138 | srcPlanes[2] = srcPlanes[1] + strides[1] * ph1; |
| 1139 | } |
| 1140 | |
| 1141 | return tjCompressFromYUVPlanes(handle, srcPlanes, width, strides, height, |
| 1142 | subsamp, jpegBuf, jpegSize, jpegQual, flags); |
| 1143 | |
| 1144 | bailout: |
| 1145 | return retval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1146 | } |
| 1147 | |
| 1148 | |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1149 | /* Decompressor */ |
| 1150 | |
| 1151 | static tjhandle _tjInitDecompress(tjinstance *this) |
| 1152 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1153 | static unsigned char buffer[1]; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1154 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1155 | /* This is also straight out of example.txt */ |
| 1156 | this->dinfo.err = jpeg_std_error(&this->jerr.pub); |
| 1157 | this->jerr.pub.error_exit = my_error_exit; |
| 1158 | this->jerr.pub.output_message = my_output_message; |
| 1159 | this->jerr.emit_message = this->jerr.pub.emit_message; |
| 1160 | this->jerr.pub.emit_message = my_emit_message; |
| 1161 | this->jerr.pub.addon_message_table = turbojpeg_message_table; |
| 1162 | this->jerr.pub.first_addon_message = JMSG_FIRSTADDONCODE; |
| 1163 | this->jerr.pub.last_addon_message = JMSG_LASTADDONCODE; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1164 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1165 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1166 | /* If we get here, the JPEG code has signaled an error. */ |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1167 | free(this); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1168 | return NULL; |
| 1169 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1170 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1171 | jpeg_create_decompress(&this->dinfo); |
| 1172 | /* Make an initial call so it will create the source manager */ |
| 1173 | jpeg_mem_src_tj(&this->dinfo, buffer, 1); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1174 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1175 | this->init |= DECOMPRESS; |
| 1176 | return (tjhandle)this; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1177 | } |
| 1178 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1179 | DLLEXPORT tjhandle tjInitDecompress(void) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1180 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1181 | tjinstance *this; |
| 1182 | |
| 1183 | if ((this = (tjinstance *)malloc(sizeof(tjinstance))) == NULL) { |
| 1184 | snprintf(errStr, JMSG_LENGTH_MAX, |
| 1185 | "tjInitDecompress(): Memory allocation failure"); |
| 1186 | return NULL; |
| 1187 | } |
| 1188 | MEMZERO(this, sizeof(tjinstance)); |
| 1189 | snprintf(this->errStr, JMSG_LENGTH_MAX, "No error"); |
| 1190 | return _tjInitDecompress(this); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1191 | } |
| 1192 | |
| 1193 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1194 | DLLEXPORT int tjDecompressHeader3(tjhandle handle, |
| 1195 | const unsigned char *jpegBuf, |
| 1196 | unsigned long jpegSize, int *width, |
| 1197 | int *height, int *jpegSubsamp, |
| 1198 | int *jpegColorspace) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1199 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1200 | int retval = 0; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1201 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1202 | GET_DINSTANCE(handle); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1203 | if ((this->init & DECOMPRESS) == 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1204 | THROW("tjDecompressHeader3(): Instance has not been initialized for decompression"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1205 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1206 | if (jpegBuf == NULL || jpegSize <= 0 || width == NULL || height == NULL || |
| 1207 | jpegSubsamp == NULL || jpegColorspace == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1208 | THROW("tjDecompressHeader3(): Invalid argument"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1209 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1210 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1211 | /* If we get here, the JPEG code has signaled an error. */ |
| 1212 | return -1; |
| 1213 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1214 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1215 | jpeg_mem_src_tj(dinfo, jpegBuf, jpegSize); |
| 1216 | jpeg_read_header(dinfo, TRUE); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1217 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1218 | *width = dinfo->image_width; |
| 1219 | *height = dinfo->image_height; |
| 1220 | *jpegSubsamp = getSubsamp(dinfo); |
| 1221 | switch (dinfo->jpeg_color_space) { |
| 1222 | case JCS_GRAYSCALE: *jpegColorspace = TJCS_GRAY; break; |
| 1223 | case JCS_RGB: *jpegColorspace = TJCS_RGB; break; |
| 1224 | case JCS_YCbCr: *jpegColorspace = TJCS_YCbCr; break; |
| 1225 | case JCS_CMYK: *jpegColorspace = TJCS_CMYK; break; |
| 1226 | case JCS_YCCK: *jpegColorspace = TJCS_YCCK; break; |
| 1227 | default: *jpegColorspace = -1; break; |
| 1228 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1229 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1230 | jpeg_abort_decompress(dinfo); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1231 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1232 | if (*jpegSubsamp < 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1233 | THROW("tjDecompressHeader3(): Could not determine subsampling type for JPEG image"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1234 | if (*jpegColorspace < 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1235 | THROW("tjDecompressHeader3(): Could not determine colorspace of JPEG image"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1236 | if (*width < 1 || *height < 1) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1237 | THROW("tjDecompressHeader3(): Invalid data returned in header"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1238 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1239 | bailout: |
| 1240 | if (this->jerr.warning) retval = -1; |
| 1241 | return retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1242 | } |
| 1243 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1244 | DLLEXPORT int tjDecompressHeader2(tjhandle handle, unsigned char *jpegBuf, |
| 1245 | unsigned long jpegSize, int *width, |
| 1246 | int *height, int *jpegSubsamp) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1247 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1248 | int jpegColorspace; |
| 1249 | |
| 1250 | return tjDecompressHeader3(handle, jpegBuf, jpegSize, width, height, |
| 1251 | jpegSubsamp, &jpegColorspace); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1252 | } |
| 1253 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1254 | DLLEXPORT int tjDecompressHeader(tjhandle handle, unsigned char *jpegBuf, |
| 1255 | unsigned long jpegSize, int *width, |
| 1256 | int *height) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1257 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1258 | int jpegSubsamp; |
| 1259 | |
| 1260 | return tjDecompressHeader2(handle, jpegBuf, jpegSize, width, height, |
| 1261 | &jpegSubsamp); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1262 | } |
| 1263 | |
| 1264 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1265 | DLLEXPORT tjscalingfactor *tjGetScalingFactors(int *numscalingfactors) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1266 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1267 | if (numscalingfactors == NULL) { |
| 1268 | snprintf(errStr, JMSG_LENGTH_MAX, |
| 1269 | "tjGetScalingFactors(): Invalid argument"); |
| 1270 | return NULL; |
| 1271 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1272 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1273 | *numscalingfactors = NUMSF; |
| 1274 | return (tjscalingfactor *)sf; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1275 | } |
| 1276 | |
| 1277 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1278 | DLLEXPORT int tjDecompress2(tjhandle handle, const unsigned char *jpegBuf, |
| 1279 | unsigned long jpegSize, unsigned char *dstBuf, |
| 1280 | int width, int pitch, int height, int pixelFormat, |
| 1281 | int flags) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1282 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1283 | JSAMPROW *row_pointer = NULL; |
| 1284 | int i, retval = 0, jpegwidth, jpegheight, scaledw, scaledh; |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 1285 | struct my_progress_mgr progress; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1286 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1287 | GET_DINSTANCE(handle); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1288 | this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE; |
| 1289 | if ((this->init & DECOMPRESS) == 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1290 | THROW("tjDecompress2(): Instance has not been initialized for decompression"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1291 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1292 | if (jpegBuf == NULL || jpegSize <= 0 || dstBuf == NULL || width < 0 || |
| 1293 | pitch < 0 || height < 0 || pixelFormat < 0 || pixelFormat >= TJ_NUMPF) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1294 | THROW("tjDecompress2(): Invalid argument"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1295 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1296 | #ifndef NO_PUTENV |
| 1297 | if (flags & TJFLAG_FORCEMMX) putenv("JSIMD_FORCEMMX=1"); |
| 1298 | else if (flags & TJFLAG_FORCESSE) putenv("JSIMD_FORCESSE=1"); |
| 1299 | else if (flags & TJFLAG_FORCESSE2) putenv("JSIMD_FORCESSE2=1"); |
| 1300 | #endif |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1301 | |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 1302 | if (flags & TJFLAG_LIMITSCANS) { |
| 1303 | MEMZERO(&progress, sizeof(struct my_progress_mgr)); |
| 1304 | progress.pub.progress_monitor = my_progress_monitor; |
| 1305 | progress.this = this; |
| 1306 | dinfo->progress = &progress.pub; |
| 1307 | } else |
| 1308 | dinfo->progress = NULL; |
| 1309 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1310 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1311 | /* If we get here, the JPEG code has signaled an error. */ |
| 1312 | retval = -1; goto bailout; |
| 1313 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1314 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1315 | jpeg_mem_src_tj(dinfo, jpegBuf, jpegSize); |
| 1316 | jpeg_read_header(dinfo, TRUE); |
| 1317 | this->dinfo.out_color_space = pf2cs[pixelFormat]; |
| 1318 | if (flags & TJFLAG_FASTDCT) this->dinfo.dct_method = JDCT_FASTEST; |
| 1319 | if (flags & TJFLAG_FASTUPSAMPLE) dinfo->do_fancy_upsampling = FALSE; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1320 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1321 | jpegwidth = dinfo->image_width; jpegheight = dinfo->image_height; |
| 1322 | if (width == 0) width = jpegwidth; |
| 1323 | if (height == 0) height = jpegheight; |
| 1324 | for (i = 0; i < NUMSF; i++) { |
| 1325 | scaledw = TJSCALED(jpegwidth, sf[i]); |
| 1326 | scaledh = TJSCALED(jpegheight, sf[i]); |
| 1327 | if (scaledw <= width && scaledh <= height) |
| 1328 | break; |
| 1329 | } |
| 1330 | if (i >= NUMSF) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1331 | THROW("tjDecompress2(): Could not scale down to desired image dimensions"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1332 | width = scaledw; height = scaledh; |
| 1333 | dinfo->scale_num = sf[i].num; |
| 1334 | dinfo->scale_denom = sf[i].denom; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1335 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1336 | jpeg_start_decompress(dinfo); |
| 1337 | if (pitch == 0) pitch = dinfo->output_width * tjPixelSize[pixelFormat]; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1338 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1339 | if ((row_pointer = |
| 1340 | (JSAMPROW *)malloc(sizeof(JSAMPROW) * dinfo->output_height)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1341 | THROW("tjDecompress2(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1342 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1343 | /* If we get here, the JPEG code has signaled an error. */ |
| 1344 | retval = -1; goto bailout; |
| 1345 | } |
| 1346 | for (i = 0; i < (int)dinfo->output_height; i++) { |
| 1347 | if (flags & TJFLAG_BOTTOMUP) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1348 | row_pointer[i] = &dstBuf[(dinfo->output_height - i - 1) * (size_t)pitch]; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1349 | else |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1350 | row_pointer[i] = &dstBuf[i * (size_t)pitch]; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1351 | } |
| 1352 | while (dinfo->output_scanline < dinfo->output_height) |
| 1353 | jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline], |
| 1354 | dinfo->output_height - dinfo->output_scanline); |
| 1355 | jpeg_finish_decompress(dinfo); |
hbono@chromium.org | df5ffdd | 2012-05-11 07:46:03 +0000 | [diff] [blame] | 1356 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1357 | bailout: |
| 1358 | if (dinfo->global_state > DSTATE_START) jpeg_abort_decompress(dinfo); |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1359 | free(row_pointer); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1360 | if (this->jerr.warning) retval = -1; |
| 1361 | this->jerr.stopOnWarning = FALSE; |
| 1362 | return retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1363 | } |
| 1364 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1365 | DLLEXPORT int tjDecompress(tjhandle handle, unsigned char *jpegBuf, |
| 1366 | unsigned long jpegSize, unsigned char *dstBuf, |
| 1367 | int width, int pitch, int height, int pixelSize, |
| 1368 | int flags) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1369 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1370 | if (flags & TJ_YUV) |
| 1371 | return tjDecompressToYUV(handle, jpegBuf, jpegSize, dstBuf, flags); |
| 1372 | else |
| 1373 | return tjDecompress2(handle, jpegBuf, jpegSize, dstBuf, width, pitch, |
| 1374 | height, getPixelFormat(pixelSize, flags), flags); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1375 | } |
| 1376 | |
| 1377 | |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1378 | static int setDecodeDefaults(struct jpeg_decompress_struct *dinfo, |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1379 | int pixelFormat, int subsamp, int flags) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1380 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1381 | int i; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1382 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1383 | dinfo->scale_num = dinfo->scale_denom = 1; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1384 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1385 | if (subsamp == TJSAMP_GRAY) { |
| 1386 | dinfo->num_components = dinfo->comps_in_scan = 1; |
| 1387 | dinfo->jpeg_color_space = JCS_GRAYSCALE; |
| 1388 | } else { |
| 1389 | dinfo->num_components = dinfo->comps_in_scan = 3; |
| 1390 | dinfo->jpeg_color_space = JCS_YCbCr; |
| 1391 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1392 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1393 | dinfo->comp_info = (jpeg_component_info *) |
| 1394 | (*dinfo->mem->alloc_small) ((j_common_ptr)dinfo, JPOOL_IMAGE, |
| 1395 | dinfo->num_components * |
| 1396 | sizeof(jpeg_component_info)); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1397 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1398 | for (i = 0; i < dinfo->num_components; i++) { |
| 1399 | jpeg_component_info *compptr = &dinfo->comp_info[i]; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1400 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1401 | compptr->h_samp_factor = (i == 0) ? tjMCUWidth[subsamp] / 8 : 1; |
| 1402 | compptr->v_samp_factor = (i == 0) ? tjMCUHeight[subsamp] / 8 : 1; |
| 1403 | compptr->component_index = i; |
| 1404 | compptr->component_id = i + 1; |
| 1405 | compptr->quant_tbl_no = compptr->dc_tbl_no = |
| 1406 | compptr->ac_tbl_no = (i == 0) ? 0 : 1; |
| 1407 | dinfo->cur_comp_info[i] = compptr; |
| 1408 | } |
| 1409 | dinfo->data_precision = 8; |
| 1410 | for (i = 0; i < 2; i++) { |
| 1411 | if (dinfo->quant_tbl_ptrs[i] == NULL) |
| 1412 | dinfo->quant_tbl_ptrs[i] = jpeg_alloc_quant_table((j_common_ptr)dinfo); |
| 1413 | } |
| 1414 | |
| 1415 | return 0; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1416 | } |
| 1417 | |
| 1418 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1419 | static int my_read_markers(j_decompress_ptr dinfo) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1420 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1421 | return JPEG_REACHED_SOS; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1422 | } |
| 1423 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1424 | static void my_reset_marker_reader(j_decompress_ptr dinfo) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1425 | { |
| 1426 | } |
| 1427 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1428 | DLLEXPORT int tjDecodeYUVPlanes(tjhandle handle, |
| 1429 | const unsigned char **srcPlanes, |
| 1430 | const int *strides, int subsamp, |
| 1431 | unsigned char *dstBuf, int width, int pitch, |
| 1432 | int height, int pixelFormat, int flags) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1433 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1434 | JSAMPROW *row_pointer = NULL; |
| 1435 | JSAMPLE *_tmpbuf[MAX_COMPONENTS]; |
| 1436 | JSAMPROW *tmpbuf[MAX_COMPONENTS], *inbuf[MAX_COMPONENTS]; |
| 1437 | int i, retval = 0, row, pw0, ph0, pw[MAX_COMPONENTS], ph[MAX_COMPONENTS]; |
| 1438 | JSAMPLE *ptr; |
| 1439 | jpeg_component_info *compptr; |
| 1440 | int (*old_read_markers) (j_decompress_ptr); |
| 1441 | void (*old_reset_marker_reader) (j_decompress_ptr); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1442 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1443 | GET_DINSTANCE(handle); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1444 | this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1445 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1446 | for (i = 0; i < MAX_COMPONENTS; i++) { |
| 1447 | tmpbuf[i] = NULL; _tmpbuf[i] = NULL; inbuf[i] = NULL; |
| 1448 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1449 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1450 | if ((this->init & DECOMPRESS) == 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1451 | THROW("tjDecodeYUVPlanes(): Instance has not been initialized for decompression"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1452 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1453 | if (!srcPlanes || !srcPlanes[0] || subsamp < 0 || subsamp >= NUMSUBOPT || |
| 1454 | dstBuf == NULL || width <= 0 || pitch < 0 || height <= 0 || |
| 1455 | pixelFormat < 0 || pixelFormat >= TJ_NUMPF) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1456 | THROW("tjDecodeYUVPlanes(): Invalid argument"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1457 | if (subsamp != TJSAMP_GRAY && (!srcPlanes[1] || !srcPlanes[2])) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1458 | THROW("tjDecodeYUVPlanes(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1459 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1460 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1461 | /* If we get here, the JPEG code has signaled an error. */ |
| 1462 | retval = -1; goto bailout; |
| 1463 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1464 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1465 | if (pixelFormat == TJPF_CMYK) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1466 | THROW("tjDecodeYUVPlanes(): Cannot decode YUV images into CMYK pixels."); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1467 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1468 | if (pitch == 0) pitch = width * tjPixelSize[pixelFormat]; |
| 1469 | dinfo->image_width = width; |
| 1470 | dinfo->image_height = height; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1471 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1472 | #ifndef NO_PUTENV |
| 1473 | if (flags & TJFLAG_FORCEMMX) putenv("JSIMD_FORCEMMX=1"); |
| 1474 | else if (flags & TJFLAG_FORCESSE) putenv("JSIMD_FORCESSE=1"); |
| 1475 | else if (flags & TJFLAG_FORCESSE2) putenv("JSIMD_FORCESSE2=1"); |
| 1476 | #endif |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1477 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1478 | dinfo->progressive_mode = dinfo->inputctl->has_multiple_scans = FALSE; |
| 1479 | dinfo->Ss = dinfo->Ah = dinfo->Al = 0; |
| 1480 | dinfo->Se = DCTSIZE2 - 1; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1481 | if (setDecodeDefaults(dinfo, pixelFormat, subsamp, flags) == -1) { |
| 1482 | retval = -1; goto bailout; |
| 1483 | } |
| 1484 | old_read_markers = dinfo->marker->read_markers; |
| 1485 | dinfo->marker->read_markers = my_read_markers; |
| 1486 | old_reset_marker_reader = dinfo->marker->reset_marker_reader; |
| 1487 | dinfo->marker->reset_marker_reader = my_reset_marker_reader; |
| 1488 | jpeg_read_header(dinfo, TRUE); |
| 1489 | dinfo->marker->read_markers = old_read_markers; |
| 1490 | dinfo->marker->reset_marker_reader = old_reset_marker_reader; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1491 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1492 | this->dinfo.out_color_space = pf2cs[pixelFormat]; |
| 1493 | if (flags & TJFLAG_FASTDCT) this->dinfo.dct_method = JDCT_FASTEST; |
| 1494 | dinfo->do_fancy_upsampling = FALSE; |
| 1495 | dinfo->Se = DCTSIZE2 - 1; |
| 1496 | jinit_master_decompress(dinfo); |
| 1497 | (*dinfo->upsample->start_pass) (dinfo); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1498 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1499 | pw0 = PAD(width, dinfo->max_h_samp_factor); |
| 1500 | ph0 = PAD(height, dinfo->max_v_samp_factor); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1501 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1502 | if (pitch == 0) pitch = dinfo->output_width * tjPixelSize[pixelFormat]; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1503 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1504 | if ((row_pointer = (JSAMPROW *)malloc(sizeof(JSAMPROW) * ph0)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1505 | THROW("tjDecodeYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1506 | for (i = 0; i < height; i++) { |
| 1507 | if (flags & TJFLAG_BOTTOMUP) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1508 | row_pointer[i] = &dstBuf[(height - i - 1) * (size_t)pitch]; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1509 | else |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1510 | row_pointer[i] = &dstBuf[i * (size_t)pitch]; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1511 | } |
| 1512 | if (height < ph0) |
| 1513 | for (i = height; i < ph0; i++) row_pointer[i] = row_pointer[height - 1]; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1514 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1515 | for (i = 0; i < dinfo->num_components; i++) { |
| 1516 | compptr = &dinfo->comp_info[i]; |
| 1517 | _tmpbuf[i] = |
| 1518 | (JSAMPLE *)malloc(PAD(compptr->width_in_blocks * DCTSIZE, 32) * |
| 1519 | compptr->v_samp_factor + 32); |
| 1520 | if (!_tmpbuf[i]) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1521 | THROW("tjDecodeYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1522 | tmpbuf[i] = (JSAMPROW *)malloc(sizeof(JSAMPROW) * compptr->v_samp_factor); |
| 1523 | if (!tmpbuf[i]) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1524 | THROW("tjDecodeYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1525 | for (row = 0; row < compptr->v_samp_factor; row++) { |
| 1526 | unsigned char *_tmpbuf_aligned = |
| 1527 | (unsigned char *)PAD((size_t)_tmpbuf[i], 32); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1528 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1529 | tmpbuf[i][row] = |
| 1530 | &_tmpbuf_aligned[PAD(compptr->width_in_blocks * DCTSIZE, 32) * row]; |
| 1531 | } |
| 1532 | pw[i] = pw0 * compptr->h_samp_factor / dinfo->max_h_samp_factor; |
| 1533 | ph[i] = ph0 * compptr->v_samp_factor / dinfo->max_v_samp_factor; |
| 1534 | inbuf[i] = (JSAMPROW *)malloc(sizeof(JSAMPROW) * ph[i]); |
| 1535 | if (!inbuf[i]) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1536 | THROW("tjDecodeYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1537 | ptr = (JSAMPLE *)srcPlanes[i]; |
| 1538 | for (row = 0; row < ph[i]; row++) { |
| 1539 | inbuf[i][row] = ptr; |
| 1540 | ptr += (strides && strides[i] != 0) ? strides[i] : pw[i]; |
| 1541 | } |
| 1542 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1543 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1544 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1545 | /* If we get here, the JPEG code has signaled an error. */ |
| 1546 | retval = -1; goto bailout; |
| 1547 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1548 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1549 | for (row = 0; row < ph0; row += dinfo->max_v_samp_factor) { |
| 1550 | JDIMENSION inrow = 0, outrow = 0; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1551 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1552 | for (i = 0, compptr = dinfo->comp_info; i < dinfo->num_components; |
| 1553 | i++, compptr++) |
| 1554 | jcopy_sample_rows(inbuf[i], |
| 1555 | row * compptr->v_samp_factor / dinfo->max_v_samp_factor, tmpbuf[i], 0, |
| 1556 | compptr->v_samp_factor, pw[i]); |
| 1557 | (dinfo->upsample->upsample) (dinfo, tmpbuf, &inrow, |
| 1558 | dinfo->max_v_samp_factor, &row_pointer[row], |
| 1559 | &outrow, dinfo->max_v_samp_factor); |
| 1560 | } |
| 1561 | jpeg_abort_decompress(dinfo); |
| 1562 | |
| 1563 | bailout: |
| 1564 | if (dinfo->global_state > DSTATE_START) jpeg_abort_decompress(dinfo); |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1565 | free(row_pointer); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1566 | for (i = 0; i < MAX_COMPONENTS; i++) { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1567 | free(tmpbuf[i]); |
| 1568 | free(_tmpbuf[i]); |
| 1569 | free(inbuf[i]); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1570 | } |
| 1571 | if (this->jerr.warning) retval = -1; |
| 1572 | this->jerr.stopOnWarning = FALSE; |
| 1573 | return retval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1574 | } |
| 1575 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1576 | DLLEXPORT int tjDecodeYUV(tjhandle handle, const unsigned char *srcBuf, |
| 1577 | int pad, int subsamp, unsigned char *dstBuf, |
| 1578 | int width, int pitch, int height, int pixelFormat, |
| 1579 | int flags) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1580 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1581 | const unsigned char *srcPlanes[3]; |
| 1582 | int pw0, ph0, strides[3], retval = -1; |
| 1583 | tjinstance *this = (tjinstance *)handle; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1584 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1585 | if (!this) THROWG("tjDecodeYUV(): Invalid handle"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1586 | this->isInstanceError = FALSE; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1587 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1588 | if (srcBuf == NULL || pad < 0 || !IS_POW2(pad) || subsamp < 0 || |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1589 | subsamp >= NUMSUBOPT || width <= 0 || height <= 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1590 | THROW("tjDecodeYUV(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1591 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1592 | pw0 = tjPlaneWidth(0, width, subsamp); |
| 1593 | ph0 = tjPlaneHeight(0, height, subsamp); |
| 1594 | srcPlanes[0] = srcBuf; |
| 1595 | strides[0] = PAD(pw0, pad); |
| 1596 | if (subsamp == TJSAMP_GRAY) { |
| 1597 | strides[1] = strides[2] = 0; |
| 1598 | srcPlanes[1] = srcPlanes[2] = NULL; |
| 1599 | } else { |
| 1600 | int pw1 = tjPlaneWidth(1, width, subsamp); |
| 1601 | int ph1 = tjPlaneHeight(1, height, subsamp); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1602 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1603 | strides[1] = strides[2] = PAD(pw1, pad); |
| 1604 | srcPlanes[1] = srcPlanes[0] + strides[0] * ph0; |
| 1605 | srcPlanes[2] = srcPlanes[1] + strides[1] * ph1; |
| 1606 | } |
| 1607 | |
| 1608 | return tjDecodeYUVPlanes(handle, srcPlanes, strides, subsamp, dstBuf, width, |
| 1609 | pitch, height, pixelFormat, flags); |
| 1610 | |
| 1611 | bailout: |
| 1612 | return retval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1613 | } |
| 1614 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1615 | DLLEXPORT int tjDecompressToYUVPlanes(tjhandle handle, |
| 1616 | const unsigned char *jpegBuf, |
| 1617 | unsigned long jpegSize, |
| 1618 | unsigned char **dstPlanes, int width, |
| 1619 | int *strides, int height, int flags) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1620 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1621 | int i, sfi, row, retval = 0; |
| 1622 | int jpegwidth, jpegheight, jpegSubsamp, scaledw, scaledh; |
| 1623 | int pw[MAX_COMPONENTS], ph[MAX_COMPONENTS], iw[MAX_COMPONENTS], |
| 1624 | tmpbufsize = 0, usetmpbuf = 0, th[MAX_COMPONENTS]; |
| 1625 | JSAMPLE *_tmpbuf = NULL, *ptr; |
| 1626 | JSAMPROW *outbuf[MAX_COMPONENTS], *tmpbuf[MAX_COMPONENTS]; |
| 1627 | int dctsize; |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 1628 | struct my_progress_mgr progress; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1629 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1630 | GET_DINSTANCE(handle); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1631 | this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1632 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1633 | for (i = 0; i < MAX_COMPONENTS; i++) { |
| 1634 | tmpbuf[i] = NULL; outbuf[i] = NULL; |
| 1635 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1636 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1637 | if ((this->init & DECOMPRESS) == 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1638 | THROW("tjDecompressToYUVPlanes(): Instance has not been initialized for decompression"); |
noel@chromium.org | 3395bcc | 2014-04-14 06:56:00 +0000 | [diff] [blame] | 1639 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1640 | if (jpegBuf == NULL || jpegSize <= 0 || !dstPlanes || !dstPlanes[0] || |
| 1641 | width < 0 || height < 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1642 | THROW("tjDecompressToYUVPlanes(): Invalid argument"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1643 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1644 | #ifndef NO_PUTENV |
| 1645 | if (flags & TJFLAG_FORCEMMX) putenv("JSIMD_FORCEMMX=1"); |
| 1646 | else if (flags & TJFLAG_FORCESSE) putenv("JSIMD_FORCESSE=1"); |
| 1647 | else if (flags & TJFLAG_FORCESSE2) putenv("JSIMD_FORCESSE2=1"); |
| 1648 | #endif |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1649 | |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 1650 | if (flags & TJFLAG_LIMITSCANS) { |
| 1651 | MEMZERO(&progress, sizeof(struct my_progress_mgr)); |
| 1652 | progress.pub.progress_monitor = my_progress_monitor; |
| 1653 | progress.this = this; |
| 1654 | dinfo->progress = &progress.pub; |
| 1655 | } else |
| 1656 | dinfo->progress = NULL; |
| 1657 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1658 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1659 | /* If we get here, the JPEG code has signaled an error. */ |
| 1660 | retval = -1; goto bailout; |
| 1661 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1662 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1663 | if (!this->headerRead) { |
| 1664 | jpeg_mem_src_tj(dinfo, jpegBuf, jpegSize); |
| 1665 | jpeg_read_header(dinfo, TRUE); |
| 1666 | } |
| 1667 | this->headerRead = 0; |
| 1668 | jpegSubsamp = getSubsamp(dinfo); |
| 1669 | if (jpegSubsamp < 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1670 | THROW("tjDecompressToYUVPlanes(): Could not determine subsampling type for JPEG image"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1671 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1672 | if (jpegSubsamp != TJSAMP_GRAY && (!dstPlanes[1] || !dstPlanes[2])) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1673 | THROW("tjDecompressToYUVPlanes(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1674 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1675 | jpegwidth = dinfo->image_width; jpegheight = dinfo->image_height; |
| 1676 | if (width == 0) width = jpegwidth; |
| 1677 | if (height == 0) height = jpegheight; |
| 1678 | for (i = 0; i < NUMSF; i++) { |
| 1679 | scaledw = TJSCALED(jpegwidth, sf[i]); |
| 1680 | scaledh = TJSCALED(jpegheight, sf[i]); |
| 1681 | if (scaledw <= width && scaledh <= height) |
| 1682 | break; |
| 1683 | } |
| 1684 | if (i >= NUMSF) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1685 | THROW("tjDecompressToYUVPlanes(): Could not scale down to desired image dimensions"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1686 | if (dinfo->num_components > 3) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1687 | THROW("tjDecompressToYUVPlanes(): JPEG image must have 3 or fewer components"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1688 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1689 | width = scaledw; height = scaledh; |
| 1690 | dinfo->scale_num = sf[i].num; |
| 1691 | dinfo->scale_denom = sf[i].denom; |
| 1692 | sfi = i; |
| 1693 | jpeg_calc_output_dimensions(dinfo); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1694 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1695 | dctsize = DCTSIZE * sf[sfi].num / sf[sfi].denom; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1696 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1697 | for (i = 0; i < dinfo->num_components; i++) { |
| 1698 | jpeg_component_info *compptr = &dinfo->comp_info[i]; |
| 1699 | int ih; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1700 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1701 | iw[i] = compptr->width_in_blocks * dctsize; |
| 1702 | ih = compptr->height_in_blocks * dctsize; |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1703 | pw[i] = tjPlaneWidth(i, dinfo->output_width, jpegSubsamp); |
| 1704 | ph[i] = tjPlaneHeight(i, dinfo->output_height, jpegSubsamp); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1705 | if (iw[i] != pw[i] || ih != ph[i]) usetmpbuf = 1; |
| 1706 | th[i] = compptr->v_samp_factor * dctsize; |
| 1707 | tmpbufsize += iw[i] * th[i]; |
| 1708 | if ((outbuf[i] = (JSAMPROW *)malloc(sizeof(JSAMPROW) * ph[i])) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1709 | THROW("tjDecompressToYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1710 | ptr = dstPlanes[i]; |
| 1711 | for (row = 0; row < ph[i]; row++) { |
| 1712 | outbuf[i][row] = ptr; |
| 1713 | ptr += (strides && strides[i] != 0) ? strides[i] : pw[i]; |
| 1714 | } |
| 1715 | } |
| 1716 | if (usetmpbuf) { |
| 1717 | if ((_tmpbuf = (JSAMPLE *)malloc(sizeof(JSAMPLE) * tmpbufsize)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1718 | THROW("tjDecompressToYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1719 | ptr = _tmpbuf; |
| 1720 | for (i = 0; i < dinfo->num_components; i++) { |
| 1721 | if ((tmpbuf[i] = (JSAMPROW *)malloc(sizeof(JSAMPROW) * th[i])) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1722 | THROW("tjDecompressToYUVPlanes(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1723 | for (row = 0; row < th[i]; row++) { |
| 1724 | tmpbuf[i][row] = ptr; |
| 1725 | ptr += iw[i]; |
| 1726 | } |
| 1727 | } |
| 1728 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1729 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1730 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1731 | /* If we get here, the JPEG code has signaled an error. */ |
| 1732 | retval = -1; goto bailout; |
| 1733 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1734 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1735 | if (flags & TJFLAG_FASTUPSAMPLE) dinfo->do_fancy_upsampling = FALSE; |
| 1736 | if (flags & TJFLAG_FASTDCT) dinfo->dct_method = JDCT_FASTEST; |
| 1737 | dinfo->raw_data_out = TRUE; |
| 1738 | |
| 1739 | jpeg_start_decompress(dinfo); |
| 1740 | for (row = 0; row < (int)dinfo->output_height; |
| 1741 | row += dinfo->max_v_samp_factor * dinfo->_min_DCT_scaled_size) { |
| 1742 | JSAMPARRAY yuvptr[MAX_COMPONENTS]; |
| 1743 | int crow[MAX_COMPONENTS]; |
| 1744 | |
| 1745 | for (i = 0; i < dinfo->num_components; i++) { |
| 1746 | jpeg_component_info *compptr = &dinfo->comp_info[i]; |
| 1747 | |
| 1748 | if (jpegSubsamp == TJ_420) { |
| 1749 | /* When 4:2:0 subsampling is used with IDCT scaling, libjpeg will try |
| 1750 | to be clever and use the IDCT to perform upsampling on the U and V |
| 1751 | planes. For instance, if the output image is to be scaled by 1/2 |
| 1752 | relative to the JPEG image, then the scaling factor and upsampling |
| 1753 | effectively cancel each other, so a normal 8x8 IDCT can be used. |
| 1754 | However, this is not desirable when using the decompress-to-YUV |
| 1755 | functionality in TurboJPEG, since we want to output the U and V |
| 1756 | planes in their subsampled form. Thus, we have to override some |
| 1757 | internal libjpeg parameters to force it to use the "scaled" IDCT |
| 1758 | functions on the U and V planes. */ |
| 1759 | compptr->_DCT_scaled_size = dctsize; |
| 1760 | compptr->MCU_sample_width = tjMCUWidth[jpegSubsamp] * |
| 1761 | sf[sfi].num / sf[sfi].denom * |
| 1762 | compptr->v_samp_factor / dinfo->max_v_samp_factor; |
| 1763 | dinfo->idct->inverse_DCT[i] = dinfo->idct->inverse_DCT[0]; |
| 1764 | } |
| 1765 | crow[i] = row * compptr->v_samp_factor / dinfo->max_v_samp_factor; |
| 1766 | if (usetmpbuf) yuvptr[i] = tmpbuf[i]; |
| 1767 | else yuvptr[i] = &outbuf[i][crow[i]]; |
| 1768 | } |
| 1769 | jpeg_read_raw_data(dinfo, yuvptr, |
| 1770 | dinfo->max_v_samp_factor * dinfo->_min_DCT_scaled_size); |
| 1771 | if (usetmpbuf) { |
| 1772 | int j; |
| 1773 | |
| 1774 | for (i = 0; i < dinfo->num_components; i++) { |
| 1775 | for (j = 0; j < MIN(th[i], ph[i] - crow[i]); j++) { |
| 1776 | memcpy(outbuf[i][crow[i] + j], tmpbuf[i][j], pw[i]); |
| 1777 | } |
| 1778 | } |
| 1779 | } |
| 1780 | } |
| 1781 | jpeg_finish_decompress(dinfo); |
| 1782 | |
| 1783 | bailout: |
| 1784 | if (dinfo->global_state > DSTATE_START) jpeg_abort_decompress(dinfo); |
| 1785 | for (i = 0; i < MAX_COMPONENTS; i++) { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1786 | free(tmpbuf[i]); |
| 1787 | free(outbuf[i]); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1788 | } |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1789 | free(_tmpbuf); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1790 | if (this->jerr.warning) retval = -1; |
| 1791 | this->jerr.stopOnWarning = FALSE; |
| 1792 | return retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1793 | } |
| 1794 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1795 | DLLEXPORT int tjDecompressToYUV2(tjhandle handle, const unsigned char *jpegBuf, |
| 1796 | unsigned long jpegSize, unsigned char *dstBuf, |
| 1797 | int width, int pad, int height, int flags) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1798 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1799 | unsigned char *dstPlanes[3]; |
| 1800 | int pw0, ph0, strides[3], retval = -1, jpegSubsamp = -1; |
| 1801 | int i, jpegwidth, jpegheight, scaledw, scaledh; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1802 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1803 | GET_DINSTANCE(handle); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1804 | this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1805 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1806 | if (jpegBuf == NULL || jpegSize <= 0 || dstBuf == NULL || width < 0 || |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1807 | pad < 1 || !IS_POW2(pad) || height < 0) |
| 1808 | THROW("tjDecompressToYUV2(): Invalid argument"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1809 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1810 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1811 | /* If we get here, the JPEG code has signaled an error. */ |
| 1812 | return -1; |
| 1813 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1814 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1815 | jpeg_mem_src_tj(dinfo, jpegBuf, jpegSize); |
| 1816 | jpeg_read_header(dinfo, TRUE); |
| 1817 | jpegSubsamp = getSubsamp(dinfo); |
| 1818 | if (jpegSubsamp < 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1819 | THROW("tjDecompressToYUV2(): Could not determine subsampling type for JPEG image"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1820 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1821 | jpegwidth = dinfo->image_width; jpegheight = dinfo->image_height; |
| 1822 | if (width == 0) width = jpegwidth; |
| 1823 | if (height == 0) height = jpegheight; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1824 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1825 | for (i = 0; i < NUMSF; i++) { |
| 1826 | scaledw = TJSCALED(jpegwidth, sf[i]); |
| 1827 | scaledh = TJSCALED(jpegheight, sf[i]); |
| 1828 | if (scaledw <= width && scaledh <= height) |
| 1829 | break; |
| 1830 | } |
| 1831 | if (i >= NUMSF) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1832 | THROW("tjDecompressToYUV2(): Could not scale down to desired image dimensions"); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1833 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1834 | pw0 = tjPlaneWidth(0, width, jpegSubsamp); |
| 1835 | ph0 = tjPlaneHeight(0, height, jpegSubsamp); |
| 1836 | dstPlanes[0] = dstBuf; |
| 1837 | strides[0] = PAD(pw0, pad); |
| 1838 | if (jpegSubsamp == TJSAMP_GRAY) { |
| 1839 | strides[1] = strides[2] = 0; |
| 1840 | dstPlanes[1] = dstPlanes[2] = NULL; |
| 1841 | } else { |
| 1842 | int pw1 = tjPlaneWidth(1, width, jpegSubsamp); |
| 1843 | int ph1 = tjPlaneHeight(1, height, jpegSubsamp); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1844 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1845 | strides[1] = strides[2] = PAD(pw1, pad); |
| 1846 | dstPlanes[1] = dstPlanes[0] + strides[0] * ph0; |
| 1847 | dstPlanes[2] = dstPlanes[1] + strides[1] * ph1; |
| 1848 | } |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1849 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1850 | this->headerRead = 1; |
| 1851 | return tjDecompressToYUVPlanes(handle, jpegBuf, jpegSize, dstPlanes, width, |
| 1852 | strides, height, flags); |
| 1853 | |
| 1854 | bailout: |
| 1855 | this->jerr.stopOnWarning = FALSE; |
| 1856 | return retval; |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1857 | } |
| 1858 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1859 | DLLEXPORT int tjDecompressToYUV(tjhandle handle, unsigned char *jpegBuf, |
| 1860 | unsigned long jpegSize, unsigned char *dstBuf, |
| 1861 | int flags) |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1862 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1863 | return tjDecompressToYUV2(handle, jpegBuf, jpegSize, dstBuf, 0, 4, 0, flags); |
Tom Hudson | 0d47d2d | 2016-05-04 13:22:56 -0400 | [diff] [blame] | 1864 | } |
| 1865 | |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1866 | |
| 1867 | /* Transformer */ |
| 1868 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1869 | DLLEXPORT tjhandle tjInitTransform(void) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1870 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1871 | tjinstance *this = NULL; |
| 1872 | tjhandle handle = NULL; |
| 1873 | |
| 1874 | if ((this = (tjinstance *)malloc(sizeof(tjinstance))) == NULL) { |
| 1875 | snprintf(errStr, JMSG_LENGTH_MAX, |
| 1876 | "tjInitTransform(): Memory allocation failure"); |
| 1877 | return NULL; |
| 1878 | } |
| 1879 | MEMZERO(this, sizeof(tjinstance)); |
| 1880 | snprintf(this->errStr, JMSG_LENGTH_MAX, "No error"); |
| 1881 | handle = _tjInitCompress(this); |
| 1882 | if (!handle) return NULL; |
| 1883 | handle = _tjInitDecompress(this); |
| 1884 | return handle; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1885 | } |
| 1886 | |
| 1887 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1888 | DLLEXPORT int tjTransform(tjhandle handle, const unsigned char *jpegBuf, |
| 1889 | unsigned long jpegSize, int n, |
| 1890 | unsigned char **dstBufs, unsigned long *dstSizes, |
| 1891 | tjtransform *t, int flags) |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1892 | { |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1893 | jpeg_transform_info *xinfo = NULL; |
| 1894 | jvirt_barray_ptr *srccoefs, *dstcoefs; |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 1895 | int retval = 0, alloc = 1, i, jpegSubsamp, saveMarkers = 0; |
| 1896 | struct my_progress_mgr progress; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1897 | |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1898 | GET_INSTANCE(handle); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1899 | this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE; |
| 1900 | if ((this->init & COMPRESS) == 0 || (this->init & DECOMPRESS) == 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1901 | THROW("tjTransform(): Instance has not been initialized for transformation"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1902 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1903 | if (jpegBuf == NULL || jpegSize <= 0 || n < 1 || dstBufs == NULL || |
| 1904 | dstSizes == NULL || t == NULL || flags < 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1905 | THROW("tjTransform(): Invalid argument"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1906 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1907 | #ifndef NO_PUTENV |
| 1908 | if (flags & TJFLAG_FORCEMMX) putenv("JSIMD_FORCEMMX=1"); |
| 1909 | else if (flags & TJFLAG_FORCESSE) putenv("JSIMD_FORCESSE=1"); |
| 1910 | else if (flags & TJFLAG_FORCESSE2) putenv("JSIMD_FORCESSE2=1"); |
| 1911 | #endif |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1912 | |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 1913 | if (flags & TJFLAG_LIMITSCANS) { |
| 1914 | MEMZERO(&progress, sizeof(struct my_progress_mgr)); |
| 1915 | progress.pub.progress_monitor = my_progress_monitor; |
| 1916 | progress.this = this; |
| 1917 | dinfo->progress = &progress.pub; |
| 1918 | } else |
| 1919 | dinfo->progress = NULL; |
| 1920 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1921 | if ((xinfo = |
| 1922 | (jpeg_transform_info *)malloc(sizeof(jpeg_transform_info) * n)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1923 | THROW("tjTransform(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1924 | MEMZERO(xinfo, sizeof(jpeg_transform_info) * n); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1925 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1926 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 1927 | /* If we get here, the JPEG code has signaled an error. */ |
| 1928 | retval = -1; goto bailout; |
| 1929 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1930 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1931 | jpeg_mem_src_tj(dinfo, jpegBuf, jpegSize); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1932 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1933 | for (i = 0; i < n; i++) { |
| 1934 | xinfo[i].transform = xformtypes[t[i].op]; |
| 1935 | xinfo[i].perfect = (t[i].options & TJXOPT_PERFECT) ? 1 : 0; |
| 1936 | xinfo[i].trim = (t[i].options & TJXOPT_TRIM) ? 1 : 0; |
| 1937 | xinfo[i].force_grayscale = (t[i].options & TJXOPT_GRAY) ? 1 : 0; |
| 1938 | xinfo[i].crop = (t[i].options & TJXOPT_CROP) ? 1 : 0; |
| 1939 | if (n != 1 && t[i].op == TJXOP_HFLIP) xinfo[i].slow_hflip = 1; |
| 1940 | else xinfo[i].slow_hflip = 0; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1941 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1942 | if (xinfo[i].crop) { |
| 1943 | xinfo[i].crop_xoffset = t[i].r.x; xinfo[i].crop_xoffset_set = JCROP_POS; |
| 1944 | xinfo[i].crop_yoffset = t[i].r.y; xinfo[i].crop_yoffset_set = JCROP_POS; |
| 1945 | if (t[i].r.w != 0) { |
| 1946 | xinfo[i].crop_width = t[i].r.w; xinfo[i].crop_width_set = JCROP_POS; |
| 1947 | } else |
| 1948 | xinfo[i].crop_width = JCROP_UNSET; |
| 1949 | if (t[i].r.h != 0) { |
| 1950 | xinfo[i].crop_height = t[i].r.h; xinfo[i].crop_height_set = JCROP_POS; |
| 1951 | } else |
| 1952 | xinfo[i].crop_height = JCROP_UNSET; |
| 1953 | } |
| 1954 | if (!(t[i].options & TJXOPT_COPYNONE)) saveMarkers = 1; |
| 1955 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1956 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1957 | jcopy_markers_setup(dinfo, saveMarkers ? JCOPYOPT_ALL : JCOPYOPT_NONE); |
| 1958 | jpeg_read_header(dinfo, TRUE); |
| 1959 | jpegSubsamp = getSubsamp(dinfo); |
| 1960 | if (jpegSubsamp < 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1961 | THROW("tjTransform(): Could not determine subsampling type for JPEG image"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1962 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1963 | for (i = 0; i < n; i++) { |
| 1964 | if (!jtransform_request_workspace(dinfo, &xinfo[i])) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1965 | THROW("tjTransform(): Transform is not perfect"); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1966 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1967 | if (xinfo[i].crop) { |
| 1968 | if ((t[i].r.x % xinfo[i].iMCU_sample_width) != 0 || |
| 1969 | (t[i].r.y % xinfo[i].iMCU_sample_height) != 0) { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1970 | snprintf(this->errStr, JMSG_LENGTH_MAX, |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1971 | "To crop this JPEG image, x must be a multiple of %d\n" |
| 1972 | "and y must be a multiple of %d.\n", |
| 1973 | xinfo[i].iMCU_sample_width, xinfo[i].iMCU_sample_height); |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 1974 | this->isInstanceError = TRUE; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1975 | retval = -1; goto bailout; |
| 1976 | } |
| 1977 | } |
| 1978 | } |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1979 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1980 | srccoefs = jpeg_read_coefficients(dinfo); |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1981 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1982 | for (i = 0; i < n; i++) { |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 1983 | int w, h; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 1984 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 1985 | if (!xinfo[i].crop) { |
| 1986 | w = dinfo->image_width; h = dinfo->image_height; |
| 1987 | } else { |
| 1988 | w = xinfo[i].crop_width; h = xinfo[i].crop_height; |
| 1989 | } |
| 1990 | if (flags & TJFLAG_NOREALLOC) { |
| 1991 | alloc = 0; dstSizes[i] = tjBufSize(w, h, jpegSubsamp); |
| 1992 | } |
| 1993 | if (!(t[i].options & TJXOPT_NOOUTPUT)) |
| 1994 | jpeg_mem_dest_tj(cinfo, &dstBufs[i], &dstSizes[i], alloc); |
| 1995 | jpeg_copy_critical_parameters(dinfo, cinfo); |
| 1996 | dstcoefs = jtransform_adjust_parameters(dinfo, cinfo, srccoefs, &xinfo[i]); |
| 1997 | if (flags & TJFLAG_PROGRESSIVE || t[i].options & TJXOPT_PROGRESSIVE) |
| 1998 | jpeg_simple_progression(cinfo); |
| 1999 | if (!(t[i].options & TJXOPT_NOOUTPUT)) { |
| 2000 | jpeg_write_coefficients(cinfo, dstcoefs); |
| 2001 | jcopy_markers_execute(dinfo, cinfo, t[i].options & TJXOPT_COPYNONE ? |
| 2002 | JCOPYOPT_NONE : JCOPYOPT_ALL); |
| 2003 | } else |
| 2004 | jinit_c_master_control(cinfo, TRUE); |
| 2005 | jtransform_execute_transformation(dinfo, cinfo, srccoefs, &xinfo[i]); |
| 2006 | if (t[i].customFilter) { |
| 2007 | int ci, y; |
| 2008 | JDIMENSION by; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 2009 | |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2010 | for (ci = 0; ci < cinfo->num_components; ci++) { |
| 2011 | jpeg_component_info *compptr = &cinfo->comp_info[ci]; |
| 2012 | tjregion arrayRegion = { |
| 2013 | 0, 0, compptr->width_in_blocks * DCTSIZE, DCTSIZE |
| 2014 | }; |
| 2015 | tjregion planeRegion = { |
| 2016 | 0, 0, compptr->width_in_blocks * DCTSIZE, |
| 2017 | compptr->height_in_blocks * DCTSIZE |
| 2018 | }; |
| 2019 | |
| 2020 | for (by = 0; by < compptr->height_in_blocks; |
| 2021 | by += compptr->v_samp_factor) { |
| 2022 | JBLOCKARRAY barray = (dinfo->mem->access_virt_barray) |
| 2023 | ((j_common_ptr)dinfo, dstcoefs[ci], by, compptr->v_samp_factor, |
| 2024 | TRUE); |
| 2025 | |
| 2026 | for (y = 0; y < compptr->v_samp_factor; y++) { |
| 2027 | if (t[i].customFilter(barray[y][0], arrayRegion, planeRegion, ci, |
| 2028 | i, &t[i]) == -1) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2029 | THROW("tjTransform(): Error in custom filter"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2030 | arrayRegion.y += DCTSIZE; |
| 2031 | } |
| 2032 | } |
| 2033 | } |
| 2034 | } |
| 2035 | if (!(t[i].options & TJXOPT_NOOUTPUT)) jpeg_finish_compress(cinfo); |
| 2036 | } |
| 2037 | |
| 2038 | jpeg_finish_decompress(dinfo); |
| 2039 | |
| 2040 | bailout: |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 2041 | if (cinfo->global_state > CSTATE_START) { |
| 2042 | if (alloc) (*cinfo->dest->term_destination) (cinfo); |
| 2043 | jpeg_abort_compress(cinfo); |
| 2044 | } |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2045 | if (dinfo->global_state > DSTATE_START) jpeg_abort_decompress(dinfo); |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2046 | free(xinfo); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2047 | if (this->jerr.warning) retval = -1; |
| 2048 | this->jerr.stopOnWarning = FALSE; |
| 2049 | return retval; |
| 2050 | } |
| 2051 | |
| 2052 | |
| 2053 | DLLEXPORT unsigned char *tjLoadImage(const char *filename, int *width, |
| 2054 | int align, int *height, int *pixelFormat, |
| 2055 | int flags) |
| 2056 | { |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2057 | int retval = 0, tempc; |
| 2058 | size_t pitch; |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2059 | tjhandle handle = NULL; |
| 2060 | tjinstance *this; |
| 2061 | j_compress_ptr cinfo = NULL; |
| 2062 | cjpeg_source_ptr src; |
| 2063 | unsigned char *dstBuf = NULL; |
| 2064 | FILE *file = NULL; |
| 2065 | boolean invert; |
| 2066 | |
| 2067 | if (!filename || !width || align < 1 || !height || !pixelFormat || |
| 2068 | *pixelFormat < TJPF_UNKNOWN || *pixelFormat >= TJ_NUMPF) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2069 | THROWG("tjLoadImage(): Invalid argument"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2070 | if ((align & (align - 1)) != 0) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2071 | THROWG("tjLoadImage(): Alignment must be a power of 2"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2072 | |
| 2073 | if ((handle = tjInitCompress()) == NULL) return NULL; |
| 2074 | this = (tjinstance *)handle; |
| 2075 | cinfo = &this->cinfo; |
| 2076 | |
| 2077 | if ((file = fopen(filename, "rb")) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2078 | THROW_UNIX("tjLoadImage(): Cannot open input file"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2079 | |
| 2080 | if ((tempc = getc(file)) < 0 || ungetc(tempc, file) == EOF) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2081 | THROW_UNIX("tjLoadImage(): Could not read input file") |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2082 | else if (tempc == EOF) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2083 | THROWG("tjLoadImage(): Input file contains no data"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2084 | |
| 2085 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 2086 | /* If we get here, the JPEG code has signaled an error. */ |
| 2087 | retval = -1; goto bailout; |
| 2088 | } |
| 2089 | |
| 2090 | if (*pixelFormat == TJPF_UNKNOWN) cinfo->in_color_space = JCS_UNKNOWN; |
| 2091 | else cinfo->in_color_space = pf2cs[*pixelFormat]; |
| 2092 | if (tempc == 'B') { |
| 2093 | if ((src = jinit_read_bmp(cinfo, FALSE)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2094 | THROWG("tjLoadImage(): Could not initialize bitmap loader"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2095 | invert = (flags & TJFLAG_BOTTOMUP) == 0; |
| 2096 | } else if (tempc == 'P') { |
| 2097 | if ((src = jinit_read_ppm(cinfo)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2098 | THROWG("tjLoadImage(): Could not initialize bitmap loader"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2099 | invert = (flags & TJFLAG_BOTTOMUP) != 0; |
| 2100 | } else |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2101 | THROWG("tjLoadImage(): Unsupported file type"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2102 | |
| 2103 | src->input_file = file; |
Jonathan Wright | 24e3105 | 2021-04-26 12:10:48 +0100 | [diff] [blame] | 2104 | #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION |
| 2105 | /* Refuse to load images larger than 1 Megapixel when fuzzing. */ |
| 2106 | if (flags & TJFLAG_FUZZING) |
| 2107 | src->max_pixels = 1048576; |
| 2108 | #endif |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2109 | (*src->start_input) (cinfo, src); |
| 2110 | (*cinfo->mem->realize_virt_arrays) ((j_common_ptr)cinfo); |
| 2111 | |
| 2112 | *width = cinfo->image_width; *height = cinfo->image_height; |
| 2113 | *pixelFormat = cs2pf[cinfo->in_color_space]; |
| 2114 | |
| 2115 | pitch = PAD((*width) * tjPixelSize[*pixelFormat], align); |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2116 | if ((unsigned long long)pitch * (unsigned long long)(*height) > |
| 2117 | (unsigned long long)((size_t)-1) || |
| 2118 | (dstBuf = (unsigned char *)malloc(pitch * (*height))) == NULL) |
| 2119 | THROWG("tjLoadImage(): Memory allocation failure"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2120 | |
| 2121 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 2122 | /* If we get here, the JPEG code has signaled an error. */ |
| 2123 | retval = -1; goto bailout; |
| 2124 | } |
| 2125 | |
| 2126 | while (cinfo->next_scanline < cinfo->image_height) { |
| 2127 | int i, nlines = (*src->get_pixel_rows) (cinfo, src); |
| 2128 | |
| 2129 | for (i = 0; i < nlines; i++) { |
| 2130 | unsigned char *dstptr; |
| 2131 | int row; |
| 2132 | |
| 2133 | row = cinfo->next_scanline + i; |
| 2134 | if (invert) dstptr = &dstBuf[((*height) - row - 1) * pitch]; |
| 2135 | else dstptr = &dstBuf[row * pitch]; |
| 2136 | memcpy(dstptr, src->buffer[i], (*width) * tjPixelSize[*pixelFormat]); |
| 2137 | } |
| 2138 | cinfo->next_scanline += nlines; |
| 2139 | } |
| 2140 | |
| 2141 | (*src->finish_input) (cinfo, src); |
| 2142 | |
| 2143 | bailout: |
| 2144 | if (handle) tjDestroy(handle); |
| 2145 | if (file) fclose(file); |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2146 | if (retval < 0) { free(dstBuf); dstBuf = NULL; } |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2147 | return dstBuf; |
| 2148 | } |
| 2149 | |
| 2150 | |
| 2151 | DLLEXPORT int tjSaveImage(const char *filename, unsigned char *buffer, |
| 2152 | int width, int pitch, int height, int pixelFormat, |
| 2153 | int flags) |
| 2154 | { |
| 2155 | int retval = 0; |
| 2156 | tjhandle handle = NULL; |
| 2157 | tjinstance *this; |
| 2158 | j_decompress_ptr dinfo = NULL; |
| 2159 | djpeg_dest_ptr dst; |
| 2160 | FILE *file = NULL; |
| 2161 | char *ptr = NULL; |
| 2162 | boolean invert; |
| 2163 | |
| 2164 | if (!filename || !buffer || width < 1 || pitch < 0 || height < 1 || |
| 2165 | pixelFormat < 0 || pixelFormat >= TJ_NUMPF) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2166 | THROWG("tjSaveImage(): Invalid argument"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2167 | |
| 2168 | if ((handle = tjInitDecompress()) == NULL) |
| 2169 | return -1; |
| 2170 | this = (tjinstance *)handle; |
| 2171 | dinfo = &this->dinfo; |
| 2172 | |
| 2173 | if ((file = fopen(filename, "wb")) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2174 | THROW_UNIX("tjSaveImage(): Cannot open output file"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2175 | |
| 2176 | if (setjmp(this->jerr.setjmp_buffer)) { |
| 2177 | /* If we get here, the JPEG code has signaled an error. */ |
| 2178 | retval = -1; goto bailout; |
| 2179 | } |
| 2180 | |
| 2181 | this->dinfo.out_color_space = pf2cs[pixelFormat]; |
| 2182 | dinfo->image_width = width; dinfo->image_height = height; |
| 2183 | dinfo->global_state = DSTATE_READY; |
| 2184 | dinfo->scale_num = dinfo->scale_denom = 1; |
| 2185 | |
| 2186 | ptr = strrchr(filename, '.'); |
| 2187 | if (ptr && !strcasecmp(ptr, ".bmp")) { |
| 2188 | if ((dst = jinit_write_bmp(dinfo, FALSE, FALSE)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2189 | THROWG("tjSaveImage(): Could not initialize bitmap writer"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2190 | invert = (flags & TJFLAG_BOTTOMUP) == 0; |
| 2191 | } else { |
| 2192 | if ((dst = jinit_write_ppm(dinfo)) == NULL) |
Jonathan Wright | db870df | 2020-08-05 11:42:22 +0100 | [diff] [blame] | 2193 | THROWG("tjSaveImage(): Could not initialize PPM writer"); |
Chris Blume | cca8c4d | 2019-03-01 01:09:50 -0800 | [diff] [blame] | 2194 | invert = (flags & TJFLAG_BOTTOMUP) != 0; |
| 2195 | } |
| 2196 | |
| 2197 | dst->output_file = file; |
| 2198 | (*dst->start_output) (dinfo, dst); |
| 2199 | (*dinfo->mem->realize_virt_arrays) ((j_common_ptr)dinfo); |
| 2200 | |
| 2201 | if (pitch == 0) pitch = width * tjPixelSize[pixelFormat]; |
| 2202 | |
| 2203 | while (dinfo->output_scanline < dinfo->output_height) { |
| 2204 | unsigned char *rowptr; |
| 2205 | |
| 2206 | if (invert) |
| 2207 | rowptr = &buffer[(height - dinfo->output_scanline - 1) * pitch]; |
| 2208 | else |
| 2209 | rowptr = &buffer[dinfo->output_scanline * pitch]; |
| 2210 | memcpy(dst->buffer[0], rowptr, width * tjPixelSize[pixelFormat]); |
| 2211 | (*dst->put_pixel_rows) (dinfo, dst, 1); |
| 2212 | dinfo->output_scanline++; |
| 2213 | } |
| 2214 | |
| 2215 | (*dst->finish_output) (dinfo, dst); |
| 2216 | |
| 2217 | bailout: |
| 2218 | if (handle) tjDestroy(handle); |
| 2219 | if (file) fclose(file); |
| 2220 | return retval; |
hbono@chromium.org | 9862697 | 2011-08-03 03:13:08 +0000 | [diff] [blame] | 2221 | } |