Coverage Report

Created: 2024-01-20 12:28

/src/libjpeg-turbo.main/turbojpeg-mp.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * Copyright (C)2009-2023 D. R. Commander.  All Rights Reserved.
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
29
/* TurboJPEG API functions that must be compiled for multiple data
30
   precisions */
31
32
#if BITS_IN_JSAMPLE == 8
33
0
#define _JSAMPLE  JSAMPLE
34
69.4k
#define _JSAMPROW  JSAMPROW
35
0
#define _buffer  buffer
36
0
#define _jinit_read_ppm  jinit_read_ppm
37
0
#define _jinit_write_ppm  jinit_write_ppm
38
0
#define _jpeg_crop_scanline  jpeg_crop_scanline
39
30.7M
#define _jpeg_read_scanlines  jpeg_read_scanlines
40
0
#define _jpeg_skip_scanlines  jpeg_skip_scanlines
41
0
#define _jpeg_write_scanlines  jpeg_write_scanlines
42
#elif BITS_IN_JSAMPLE == 12
43
0
#define _JSAMPLE  J12SAMPLE
44
69.2k
#define _JSAMPROW  J12SAMPROW
45
0
#define _buffer  buffer12
46
0
#define _jinit_read_ppm  j12init_read_ppm
47
0
#define _jinit_write_ppm  j12init_write_ppm
48
0
#define _jpeg_crop_scanline  jpeg12_crop_scanline
49
43.0M
#define _jpeg_read_scanlines  jpeg12_read_scanlines
50
0
#define _jpeg_skip_scanlines  jpeg12_skip_scanlines
51
0
#define _jpeg_write_scanlines  jpeg12_write_scanlines
52
#elif BITS_IN_JSAMPLE == 16
53
0
#define _JSAMPLE  J16SAMPLE
54
18.6k
#define _JSAMPROW  J16SAMPROW
55
0
#define _buffer  buffer16
56
0
#define _jinit_read_ppm  j16init_read_ppm
57
0
#define _jinit_write_ppm  j16init_write_ppm
58
9.51M
#define _jpeg_read_scanlines  jpeg16_read_scanlines
59
0
#define _jpeg_write_scanlines  jpeg16_write_scanlines
60
#endif
61
62
#define _GET_NAME(name, suffix)  name##suffix
63
#define GET_NAME(name, suffix)  _GET_NAME(name, suffix)
64
157k
#define _GET_STRING(name, suffix)  #name #suffix
65
157k
#define GET_STRING(name, suffix)  _GET_STRING(name, suffix)
66
67
68
/******************************** Compressor *********************************/
69
70
/* TurboJPEG 3+ */
71
DLLEXPORT int GET_NAME(tj3Compress, BITS_IN_JSAMPLE)
72
  (tjhandle handle, const _JSAMPLE *srcBuf, int width, int pitch, int height,
73
   int pixelFormat, unsigned char **jpegBuf, size_t *jpegSize)
74
0
{
75
0
  static const char FUNCTION_NAME[] = GET_STRING(tj3Compress, BITS_IN_JSAMPLE);
76
0
  int i, retval = 0;
77
0
  boolean alloc = TRUE;
78
0
  _JSAMPROW *row_pointer = NULL;
79
80
0
  GET_CINSTANCE(handle)
81
0
  if ((this->init & COMPRESS) == 0)
82
0
    THROW("Instance has not been initialized for compression");
83
84
0
  if (srcBuf == NULL || width <= 0 || pitch < 0 || height <= 0 ||
85
0
      pixelFormat < 0 || pixelFormat >= TJ_NUMPF || jpegBuf == NULL ||
86
0
      jpegSize == NULL)
87
0
    THROW("Invalid argument");
88
89
0
  if (!this->lossless && this->quality == -1)
90
0
    THROW("TJPARAM_QUALITY must be specified");
91
0
  if (!this->lossless && this->subsamp == TJSAMP_UNKNOWN)
92
0
    THROW("TJPARAM_SUBSAMP must be specified");
93
94
0
  if (pitch == 0) pitch = width * tjPixelSize[pixelFormat];
95
96
0
  if ((row_pointer = (_JSAMPROW *)malloc(sizeof(_JSAMPROW) * height)) == NULL)
97
0
    THROW("Memory allocation failure");
98
99
0
  if (setjmp(this->jerr.setjmp_buffer)) {
100
    /* If we get here, the JPEG code has signaled an error. */
101
0
    retval = -1;  goto bailout;
102
0
  }
103
104
0
  cinfo->image_width = width;
105
0
  cinfo->image_height = height;
106
0
  cinfo->data_precision = BITS_IN_JSAMPLE;
107
108
0
  setCompDefaults(this, pixelFormat);
109
0
  if (this->noRealloc) {
110
0
    alloc = FALSE;
111
0
    *jpegSize = tj3JPEGBufSize(width, height, this->subsamp);
112
0
  }
113
0
  jpeg_mem_dest_tj(cinfo, jpegBuf, jpegSize, alloc);
114
115
0
  jpeg_start_compress(cinfo, TRUE);
116
0
  for (i = 0; i < height; i++) {
117
0
    if (this->bottomUp)
118
0
      row_pointer[i] = (_JSAMPROW)&srcBuf[(height - i - 1) * (size_t)pitch];
119
0
    else
120
0
      row_pointer[i] = (_JSAMPROW)&srcBuf[i * (size_t)pitch];
121
0
  }
122
0
  while (cinfo->next_scanline < cinfo->image_height)
123
0
    _jpeg_write_scanlines(cinfo, &row_pointer[cinfo->next_scanline],
124
0
                          cinfo->image_height - cinfo->next_scanline);
125
0
  jpeg_finish_compress(cinfo);
126
127
0
bailout:
128
0
  if (cinfo->global_state > CSTATE_START) {
129
0
    if (alloc) (*cinfo->dest->term_destination) (cinfo);
130
0
    jpeg_abort_compress(cinfo);
131
0
  }
132
0
  free(row_pointer);
133
0
  if (this->jerr.warning) retval = -1;
134
0
  return retval;
135
0
}
Unexecuted instantiation: tj3Compress8
Unexecuted instantiation: tj3Compress12
Unexecuted instantiation: tj3Compress16
136
137
138
/******************************* Decompressor ********************************/
139
140
/* TurboJPEG 3+ */
141
DLLEXPORT int GET_NAME(tj3Decompress, BITS_IN_JSAMPLE)
142
  (tjhandle handle, const unsigned char *jpegBuf, size_t jpegSize,
143
   _JSAMPLE *dstBuf, int pitch, int pixelFormat)
144
157k
{
145
157k
  static const char FUNCTION_NAME[] =
146
157k
    GET_STRING(tj3Decompress, BITS_IN_JSAMPLE);
147
157k
  _JSAMPROW *row_pointer = NULL;
148
157k
  int croppedHeight, i, retval = 0;
149
#if BITS_IN_JSAMPLE != 16
150
  int scaledWidth;
151
#endif
152
157k
  struct my_progress_mgr progress;
153
154
157k
  GET_DINSTANCE(handle);
155
157k
  if ((this->init & DECOMPRESS) == 0)
156
157k
    THROW("Instance has not been initialized for decompression");
157
158
157k
  if (jpegBuf == NULL || jpegSize <= 0 || dstBuf == NULL || pitch < 0 ||
159
157k
      pixelFormat < 0 || pixelFormat >= TJ_NUMPF)
160
157k
    THROW("Invalid argument");
161
162
157k
  if (this->scanLimit) {
163
157k
    memset(&progress, 0, sizeof(struct my_progress_mgr));
164
157k
    progress.pub.progress_monitor = my_progress_monitor;
165
157k
    progress.this = this;
166
157k
    dinfo->progress = &progress.pub;
167
157k
  } else
168
0
    dinfo->progress = NULL;
169
170
157k
  if (setjmp(this->jerr.setjmp_buffer)) {
171
    /* If we get here, the JPEG code has signaled an error. */
172
39.5k
    retval = -1;  goto bailout;
173
39.5k
  }
174
175
157k
  if (dinfo->global_state <= DSTATE_START) {
176
157k
    jpeg_mem_src_tj(dinfo, jpegBuf, jpegSize);
177
157k
    jpeg_read_header(dinfo, TRUE);
178
157k
  }
179
117k
  setDecompParameters(this);
180
117k
  this->dinfo.out_color_space = pf2cs[pixelFormat];
181
#if BITS_IN_JSAMPLE != 16
182
101k
  scaledWidth = TJSCALED(dinfo->image_width, this->scalingFactor);
183
#endif
184
117k
  dinfo->do_fancy_upsampling = !this->fastUpsample;
185
117k
  this->dinfo.dct_method = this->fastDCT ? JDCT_FASTEST : JDCT_ISLOW;
186
187
117k
  dinfo->scale_num = this->scalingFactor.num;
188
117k
  dinfo->scale_denom = this->scalingFactor.denom;
189
190
117k
  jpeg_start_decompress(dinfo);
191
192
#if BITS_IN_JSAMPLE != 16
193
101k
  if (this->croppingRegion.x != 0 ||
194
101k
      (this->croppingRegion.w != 0 && this->croppingRegion.w != scaledWidth)) {
195
0
    JDIMENSION crop_x = this->croppingRegion.x;
196
0
    JDIMENSION crop_w = this->croppingRegion.w;
197
198
0
    _jpeg_crop_scanline(dinfo, &crop_x, &crop_w);
199
0
    if ((int)crop_x != this->croppingRegion.x)
200
0
      THROWI("Unexplained mismatch between specified (%d) and\n"
201
0
             "actual (%d) cropping region left boundary",
202
0
             this->croppingRegion.x, (int)crop_x);
203
0
    if ((int)crop_w != this->croppingRegion.w)
204
0
      THROWI("Unexplained mismatch between specified (%d) and\n"
205
0
             "actual (%d) cropping region width",
206
0
             this->croppingRegion.w, (int)crop_w);
207
0
  }
208
101k
#endif
209
210
117k
  if (pitch == 0) pitch = dinfo->output_width * tjPixelSize[pixelFormat];
211
212
101k
  croppedHeight = dinfo->output_height;
213
#if BITS_IN_JSAMPLE != 16
214
101k
  if (this->croppingRegion.y != 0 || this->croppingRegion.h != 0)
215
0
    croppedHeight = this->croppingRegion.h;
216
#endif
217
117k
  if ((row_pointer =
218
117k
       (_JSAMPROW *)malloc(sizeof(_JSAMPROW) * croppedHeight)) == NULL)
219
117k
    THROW("Memory allocation failure");
220
117k
  if (setjmp(this->jerr.setjmp_buffer)) {
221
    /* If we get here, the JPEG code has signaled an error. */
222
47.1k
    retval = -1;  goto bailout;
223
47.1k
  }
224
161M
  for (i = 0; i < (int)croppedHeight; i++) {
225
161M
    if (this->bottomUp)
226
74.2M
      row_pointer[i] = &dstBuf[(croppedHeight - i - 1) * (size_t)pitch];
227
87.1M
    else
228
87.1M
      row_pointer[i] = &dstBuf[i * (size_t)pitch];
229
161M
  }
230
231
#if BITS_IN_JSAMPLE != 16
232
101k
  if (this->croppingRegion.y != 0 || this->croppingRegion.h != 0) {
233
0
    if (this->croppingRegion.y != 0) {
234
0
      JDIMENSION lines = _jpeg_skip_scanlines(dinfo, this->croppingRegion.y);
235
236
0
      if ((int)lines != this->croppingRegion.y)
237
0
        THROWI("Unexplained mismatch between specified (%d) and\n"
238
               "actual (%d) cropping region upper boundary",
239
0
               this->croppingRegion.y, (int)lines);
240
0
    }
241
0
    while ((int)dinfo->output_scanline <
242
0
           this->croppingRegion.y + this->croppingRegion.h)
243
0
      _jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline -
244
0
                                               this->croppingRegion.y],
245
0
                           this->croppingRegion.y + this->croppingRegion.h -
246
0
                           dinfo->output_scanline);
247
0
    if (this->croppingRegion.y + this->croppingRegion.h !=
248
0
        (int)dinfo->output_height) {
249
0
      JDIMENSION lines = _jpeg_skip_scanlines(dinfo, dinfo->output_height -
250
                                                     this->croppingRegion.y -
251
                                                     this->croppingRegion.h);
252
253
0
      if (lines != dinfo->output_height - this->croppingRegion.y -
254
0
                   this->croppingRegion.h)
255
0
        THROWI("Unexplained mismatch between specified (%d) and\n"
256
0
               "actual (%d) cropping region lower boundary",
257
0
               this->croppingRegion.y + this->croppingRegion.h,
258
0
               (int)(dinfo->output_height - lines));
259
0
    }
260
0
  } else
261
67.8k
#endif
262
67.8k
  {
263
83.3M
    while (dinfo->output_scanline < dinfo->output_height)
264
83.3M
      _jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline],
265
83.3M
                           dinfo->output_height - dinfo->output_scanline);
266
67.8k
  }
267
67.8k
  jpeg_finish_decompress(dinfo);
268
269
157k
bailout:
270
157k
  if (dinfo->global_state > DSTATE_START) jpeg_abort_decompress(dinfo);
271
157k
  free(row_pointer);
272
157k
  if (this->jerr.warning) retval = -1;
273
157k
  return retval;
274
67.8k
}
tj3Decompress8
Line
Count
Source
144
69.4k
{
145
69.4k
  static const char FUNCTION_NAME[] =
146
69.4k
    GET_STRING(tj3Decompress, BITS_IN_JSAMPLE);
147
69.4k
  _JSAMPROW *row_pointer = NULL;
148
69.4k
  int croppedHeight, i, retval = 0;
149
69.4k
#if BITS_IN_JSAMPLE != 16
150
69.4k
  int scaledWidth;
151
69.4k
#endif
152
69.4k
  struct my_progress_mgr progress;
153
154
69.4k
  GET_DINSTANCE(handle);
155
69.4k
  if ((this->init & DECOMPRESS) == 0)
156
69.4k
    THROW("Instance has not been initialized for decompression");
157
158
69.4k
  if (jpegBuf == NULL || jpegSize <= 0 || dstBuf == NULL || pitch < 0 ||
159
69.4k
      pixelFormat < 0 || pixelFormat >= TJ_NUMPF)
160
69.4k
    THROW("Invalid argument");
161
162
69.4k
  if (this->scanLimit) {
163
69.4k
    memset(&progress, 0, sizeof(struct my_progress_mgr));
164
69.4k
    progress.pub.progress_monitor = my_progress_monitor;
165
69.4k
    progress.this = this;
166
69.4k
    dinfo->progress = &progress.pub;
167
69.4k
  } else
168
0
    dinfo->progress = NULL;
169
170
69.4k
  if (setjmp(this->jerr.setjmp_buffer)) {
171
    /* If we get here, the JPEG code has signaled an error. */
172
21.9k
    retval = -1;  goto bailout;
173
21.9k
  }
174
175
69.4k
  if (dinfo->global_state <= DSTATE_START) {
176
69.4k
    jpeg_mem_src_tj(dinfo, jpegBuf, jpegSize);
177
69.4k
    jpeg_read_header(dinfo, TRUE);
178
69.4k
  }
179
47.5k
  setDecompParameters(this);
180
47.5k
  this->dinfo.out_color_space = pf2cs[pixelFormat];
181
47.5k
#if BITS_IN_JSAMPLE != 16
182
47.5k
  scaledWidth = TJSCALED(dinfo->image_width, this->scalingFactor);
183
47.5k
#endif
184
47.5k
  dinfo->do_fancy_upsampling = !this->fastUpsample;
185
47.5k
  this->dinfo.dct_method = this->fastDCT ? JDCT_FASTEST : JDCT_ISLOW;
186
187
47.5k
  dinfo->scale_num = this->scalingFactor.num;
188
47.5k
  dinfo->scale_denom = this->scalingFactor.denom;
189
190
47.5k
  jpeg_start_decompress(dinfo);
191
192
47.5k
#if BITS_IN_JSAMPLE != 16
193
47.5k
  if (this->croppingRegion.x != 0 ||
194
47.5k
      (this->croppingRegion.w != 0 && this->croppingRegion.w != scaledWidth)) {
195
0
    JDIMENSION crop_x = this->croppingRegion.x;
196
0
    JDIMENSION crop_w = this->croppingRegion.w;
197
198
0
    _jpeg_crop_scanline(dinfo, &crop_x, &crop_w);
199
0
    if ((int)crop_x != this->croppingRegion.x)
200
0
      THROWI("Unexplained mismatch between specified (%d) and\n"
201
0
             "actual (%d) cropping region left boundary",
202
0
             this->croppingRegion.x, (int)crop_x);
203
0
    if ((int)crop_w != this->croppingRegion.w)
204
0
      THROWI("Unexplained mismatch between specified (%d) and\n"
205
0
             "actual (%d) cropping region width",
206
0
             this->croppingRegion.w, (int)crop_w);
207
0
  }
208
47.5k
#endif
209
210
47.5k
  if (pitch == 0) pitch = dinfo->output_width * tjPixelSize[pixelFormat];
211
212
47.5k
  croppedHeight = dinfo->output_height;
213
47.5k
#if BITS_IN_JSAMPLE != 16
214
47.5k
  if (this->croppingRegion.y != 0 || this->croppingRegion.h != 0)
215
0
    croppedHeight = this->croppingRegion.h;
216
47.5k
#endif
217
47.5k
  if ((row_pointer =
218
47.5k
       (_JSAMPROW *)malloc(sizeof(_JSAMPROW) * croppedHeight)) == NULL)
219
47.5k
    THROW("Memory allocation failure");
220
47.5k
  if (setjmp(this->jerr.setjmp_buffer)) {
221
    /* If we get here, the JPEG code has signaled an error. */
222
16.6k
    retval = -1;  goto bailout;
223
16.6k
  }
224
58.3M
  for (i = 0; i < (int)croppedHeight; i++) {
225
58.2M
    if (this->bottomUp)
226
33.3M
      row_pointer[i] = &dstBuf[(croppedHeight - i - 1) * (size_t)pitch];
227
24.9M
    else
228
24.9M
      row_pointer[i] = &dstBuf[i * (size_t)pitch];
229
58.2M
  }
230
231
30.8k
#if BITS_IN_JSAMPLE != 16
232
47.5k
  if (this->croppingRegion.y != 0 || this->croppingRegion.h != 0) {
233
0
    if (this->croppingRegion.y != 0) {
234
0
      JDIMENSION lines = _jpeg_skip_scanlines(dinfo, this->croppingRegion.y);
235
236
0
      if ((int)lines != this->croppingRegion.y)
237
0
        THROWI("Unexplained mismatch between specified (%d) and\n"
238
0
               "actual (%d) cropping region upper boundary",
239
0
               this->croppingRegion.y, (int)lines);
240
0
    }
241
0
    while ((int)dinfo->output_scanline <
242
0
           this->croppingRegion.y + this->croppingRegion.h)
243
0
      _jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline -
244
0
                                               this->croppingRegion.y],
245
0
                           this->croppingRegion.y + this->croppingRegion.h -
246
0
                           dinfo->output_scanline);
247
0
    if (this->croppingRegion.y + this->croppingRegion.h !=
248
0
        (int)dinfo->output_height) {
249
0
      JDIMENSION lines = _jpeg_skip_scanlines(dinfo, dinfo->output_height -
250
0
                                                     this->croppingRegion.y -
251
0
                                                     this->croppingRegion.h);
252
253
0
      if (lines != dinfo->output_height - this->croppingRegion.y -
254
0
                   this->croppingRegion.h)
255
0
        THROWI("Unexplained mismatch between specified (%d) and\n"
256
0
               "actual (%d) cropping region lower boundary",
257
0
               this->croppingRegion.y + this->croppingRegion.h,
258
0
               (int)(dinfo->output_height - lines));
259
0
    }
260
0
  } else
261
30.8k
#endif
262
30.8k
  {
263
30.8M
    while (dinfo->output_scanline < dinfo->output_height)
264
30.7M
      _jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline],
265
30.7M
                           dinfo->output_height - dinfo->output_scanline);
266
30.8k
  }
267
30.8k
  jpeg_finish_decompress(dinfo);
268
269
69.4k
bailout:
270
69.4k
  if (dinfo->global_state > DSTATE_START) jpeg_abort_decompress(dinfo);
271
69.4k
  free(row_pointer);
272
69.4k
  if (this->jerr.warning) retval = -1;
273
69.4k
  return retval;
274
30.8k
}
tj3Decompress12
Line
Count
Source
144
69.2k
{
145
69.2k
  static const char FUNCTION_NAME[] =
146
69.2k
    GET_STRING(tj3Decompress, BITS_IN_JSAMPLE);
147
69.2k
  _JSAMPROW *row_pointer = NULL;
148
69.2k
  int croppedHeight, i, retval = 0;
149
69.2k
#if BITS_IN_JSAMPLE != 16
150
69.2k
  int scaledWidth;
151
69.2k
#endif
152
69.2k
  struct my_progress_mgr progress;
153
154
69.2k
  GET_DINSTANCE(handle);
155
69.2k
  if ((this->init & DECOMPRESS) == 0)
156
69.2k
    THROW("Instance has not been initialized for decompression");
157
158
69.2k
  if (jpegBuf == NULL || jpegSize <= 0 || dstBuf == NULL || pitch < 0 ||
159
69.2k
      pixelFormat < 0 || pixelFormat >= TJ_NUMPF)
160
69.2k
    THROW("Invalid argument");
161
162
69.2k
  if (this->scanLimit) {
163
69.2k
    memset(&progress, 0, sizeof(struct my_progress_mgr));
164
69.2k
    progress.pub.progress_monitor = my_progress_monitor;
165
69.2k
    progress.this = this;
166
69.2k
    dinfo->progress = &progress.pub;
167
69.2k
  } else
168
0
    dinfo->progress = NULL;
169
170
69.2k
  if (setjmp(this->jerr.setjmp_buffer)) {
171
    /* If we get here, the JPEG code has signaled an error. */
172
15.4k
    retval = -1;  goto bailout;
173
15.4k
  }
174
175
69.2k
  if (dinfo->global_state <= DSTATE_START) {
176
69.2k
    jpeg_mem_src_tj(dinfo, jpegBuf, jpegSize);
177
69.2k
    jpeg_read_header(dinfo, TRUE);
178
69.2k
  }
179
53.8k
  setDecompParameters(this);
180
53.8k
  this->dinfo.out_color_space = pf2cs[pixelFormat];
181
53.8k
#if BITS_IN_JSAMPLE != 16
182
53.8k
  scaledWidth = TJSCALED(dinfo->image_width, this->scalingFactor);
183
53.8k
#endif
184
53.8k
  dinfo->do_fancy_upsampling = !this->fastUpsample;
185
53.8k
  this->dinfo.dct_method = this->fastDCT ? JDCT_FASTEST : JDCT_ISLOW;
186
187
53.8k
  dinfo->scale_num = this->scalingFactor.num;
188
53.8k
  dinfo->scale_denom = this->scalingFactor.denom;
189
190
53.8k
  jpeg_start_decompress(dinfo);
191
192
53.8k
#if BITS_IN_JSAMPLE != 16
193
53.8k
  if (this->croppingRegion.x != 0 ||
194
53.8k
      (this->croppingRegion.w != 0 && this->croppingRegion.w != scaledWidth)) {
195
0
    JDIMENSION crop_x = this->croppingRegion.x;
196
0
    JDIMENSION crop_w = this->croppingRegion.w;
197
198
0
    _jpeg_crop_scanline(dinfo, &crop_x, &crop_w);
199
0
    if ((int)crop_x != this->croppingRegion.x)
200
0
      THROWI("Unexplained mismatch between specified (%d) and\n"
201
0
             "actual (%d) cropping region left boundary",
202
0
             this->croppingRegion.x, (int)crop_x);
203
0
    if ((int)crop_w != this->croppingRegion.w)
204
0
      THROWI("Unexplained mismatch between specified (%d) and\n"
205
0
             "actual (%d) cropping region width",
206
0
             this->croppingRegion.w, (int)crop_w);
207
0
  }
208
53.8k
#endif
209
210
53.8k
  if (pitch == 0) pitch = dinfo->output_width * tjPixelSize[pixelFormat];
211
212
53.8k
  croppedHeight = dinfo->output_height;
213
53.8k
#if BITS_IN_JSAMPLE != 16
214
53.8k
  if (this->croppingRegion.y != 0 || this->croppingRegion.h != 0)
215
0
    croppedHeight = this->croppingRegion.h;
216
53.8k
#endif
217
53.8k
  if ((row_pointer =
218
53.8k
       (_JSAMPROW *)malloc(sizeof(_JSAMPROW) * croppedHeight)) == NULL)
219
53.8k
    THROW("Memory allocation failure");
220
53.8k
  if (setjmp(this->jerr.setjmp_buffer)) {
221
    /* If we get here, the JPEG code has signaled an error. */
222
16.8k
    retval = -1;  goto bailout;
223
16.8k
  }
224
83.4M
  for (i = 0; i < (int)croppedHeight; i++) {
225
83.3M
    if (this->bottomUp)
226
40.8M
      row_pointer[i] = &dstBuf[(croppedHeight - i - 1) * (size_t)pitch];
227
42.5M
    else
228
42.5M
      row_pointer[i] = &dstBuf[i * (size_t)pitch];
229
83.3M
  }
230
231
36.9k
#if BITS_IN_JSAMPLE != 16
232
53.8k
  if (this->croppingRegion.y != 0 || this->croppingRegion.h != 0) {
233
0
    if (this->croppingRegion.y != 0) {
234
0
      JDIMENSION lines = _jpeg_skip_scanlines(dinfo, this->croppingRegion.y);
235
236
0
      if ((int)lines != this->croppingRegion.y)
237
0
        THROWI("Unexplained mismatch between specified (%d) and\n"
238
0
               "actual (%d) cropping region upper boundary",
239
0
               this->croppingRegion.y, (int)lines);
240
0
    }
241
0
    while ((int)dinfo->output_scanline <
242
0
           this->croppingRegion.y + this->croppingRegion.h)
243
0
      _jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline -
244
0
                                               this->croppingRegion.y],
245
0
                           this->croppingRegion.y + this->croppingRegion.h -
246
0
                           dinfo->output_scanline);
247
0
    if (this->croppingRegion.y + this->croppingRegion.h !=
248
0
        (int)dinfo->output_height) {
249
0
      JDIMENSION lines = _jpeg_skip_scanlines(dinfo, dinfo->output_height -
250
0
                                                     this->croppingRegion.y -
251
0
                                                     this->croppingRegion.h);
252
253
0
      if (lines != dinfo->output_height - this->croppingRegion.y -
254
0
                   this->croppingRegion.h)
255
0
        THROWI("Unexplained mismatch between specified (%d) and\n"
256
0
               "actual (%d) cropping region lower boundary",
257
0
               this->croppingRegion.y + this->croppingRegion.h,
258
0
               (int)(dinfo->output_height - lines));
259
0
    }
260
0
  } else
261
36.9k
#endif
262
36.9k
  {
263
43.0M
    while (dinfo->output_scanline < dinfo->output_height)
264
43.0M
      _jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline],
265
43.0M
                           dinfo->output_height - dinfo->output_scanline);
266
36.9k
  }
267
36.9k
  jpeg_finish_decompress(dinfo);
268
269
69.2k
bailout:
270
69.2k
  if (dinfo->global_state > DSTATE_START) jpeg_abort_decompress(dinfo);
271
69.2k
  free(row_pointer);
272
69.2k
  if (this->jerr.warning) retval = -1;
273
69.2k
  return retval;
274
36.9k
}
tj3Decompress16
Line
Count
Source
144
18.6k
{
145
18.6k
  static const char FUNCTION_NAME[] =
146
18.6k
    GET_STRING(tj3Decompress, BITS_IN_JSAMPLE);
147
18.6k
  _JSAMPROW *row_pointer = NULL;
148
18.6k
  int croppedHeight, i, retval = 0;
149
#if BITS_IN_JSAMPLE != 16
150
  int scaledWidth;
151
#endif
152
18.6k
  struct my_progress_mgr progress;
153
154
18.6k
  GET_DINSTANCE(handle);
155
18.6k
  if ((this->init & DECOMPRESS) == 0)
156
18.6k
    THROW("Instance has not been initialized for decompression");
157
158
18.6k
  if (jpegBuf == NULL || jpegSize <= 0 || dstBuf == NULL || pitch < 0 ||
159
18.6k
      pixelFormat < 0 || pixelFormat >= TJ_NUMPF)
160
18.6k
    THROW("Invalid argument");
161
162
18.6k
  if (this->scanLimit) {
163
18.6k
    memset(&progress, 0, sizeof(struct my_progress_mgr));
164
18.6k
    progress.pub.progress_monitor = my_progress_monitor;
165
18.6k
    progress.this = this;
166
18.6k
    dinfo->progress = &progress.pub;
167
18.6k
  } else
168
0
    dinfo->progress = NULL;
169
170
18.6k
  if (setjmp(this->jerr.setjmp_buffer)) {
171
    /* If we get here, the JPEG code has signaled an error. */
172
2.22k
    retval = -1;  goto bailout;
173
2.22k
  }
174
175
18.6k
  if (dinfo->global_state <= DSTATE_START) {
176
18.6k
    jpeg_mem_src_tj(dinfo, jpegBuf, jpegSize);
177
18.6k
    jpeg_read_header(dinfo, TRUE);
178
18.6k
  }
179
16.4k
  setDecompParameters(this);
180
16.4k
  this->dinfo.out_color_space = pf2cs[pixelFormat];
181
#if BITS_IN_JSAMPLE != 16
182
  scaledWidth = TJSCALED(dinfo->image_width, this->scalingFactor);
183
#endif
184
16.4k
  dinfo->do_fancy_upsampling = !this->fastUpsample;
185
16.4k
  this->dinfo.dct_method = this->fastDCT ? JDCT_FASTEST : JDCT_ISLOW;
186
187
16.4k
  dinfo->scale_num = this->scalingFactor.num;
188
16.4k
  dinfo->scale_denom = this->scalingFactor.denom;
189
190
16.4k
  jpeg_start_decompress(dinfo);
191
192
#if BITS_IN_JSAMPLE != 16
193
  if (this->croppingRegion.x != 0 ||
194
      (this->croppingRegion.w != 0 && this->croppingRegion.w != scaledWidth)) {
195
    JDIMENSION crop_x = this->croppingRegion.x;
196
    JDIMENSION crop_w = this->croppingRegion.w;
197
198
    _jpeg_crop_scanline(dinfo, &crop_x, &crop_w);
199
    if ((int)crop_x != this->croppingRegion.x)
200
      THROWI("Unexplained mismatch between specified (%d) and\n"
201
             "actual (%d) cropping region left boundary",
202
             this->croppingRegion.x, (int)crop_x);
203
    if ((int)crop_w != this->croppingRegion.w)
204
      THROWI("Unexplained mismatch between specified (%d) and\n"
205
             "actual (%d) cropping region width",
206
             this->croppingRegion.w, (int)crop_w);
207
  }
208
#endif
209
210
16.4k
  if (pitch == 0) pitch = dinfo->output_width * tjPixelSize[pixelFormat];
211
212
16.4k
  croppedHeight = dinfo->output_height;
213
#if BITS_IN_JSAMPLE != 16
214
  if (this->croppingRegion.y != 0 || this->croppingRegion.h != 0)
215
    croppedHeight = this->croppingRegion.h;
216
#endif
217
16.4k
  if ((row_pointer =
218
16.4k
       (_JSAMPROW *)malloc(sizeof(_JSAMPROW) * croppedHeight)) == NULL)
219
16.4k
    THROW("Memory allocation failure");
220
16.4k
  if (setjmp(this->jerr.setjmp_buffer)) {
221
    /* If we get here, the JPEG code has signaled an error. */
222
13.6k
    retval = -1;  goto bailout;
223
13.6k
  }
224
19.6M
  for (i = 0; i < (int)croppedHeight; i++) {
225
19.6M
    if (this->bottomUp)
226
0
      row_pointer[i] = &dstBuf[(croppedHeight - i - 1) * (size_t)pitch];
227
19.6M
    else
228
19.6M
      row_pointer[i] = &dstBuf[i * (size_t)pitch];
229
19.6M
  }
230
231
#if BITS_IN_JSAMPLE != 16
232
  if (this->croppingRegion.y != 0 || this->croppingRegion.h != 0) {
233
    if (this->croppingRegion.y != 0) {
234
      JDIMENSION lines = _jpeg_skip_scanlines(dinfo, this->croppingRegion.y);
235
236
      if ((int)lines != this->croppingRegion.y)
237
        THROWI("Unexplained mismatch between specified (%d) and\n"
238
               "actual (%d) cropping region upper boundary",
239
               this->croppingRegion.y, (int)lines);
240
    }
241
    while ((int)dinfo->output_scanline <
242
           this->croppingRegion.y + this->croppingRegion.h)
243
      _jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline -
244
                                               this->croppingRegion.y],
245
                           this->croppingRegion.y + this->croppingRegion.h -
246
                           dinfo->output_scanline);
247
    if (this->croppingRegion.y + this->croppingRegion.h !=
248
        (int)dinfo->output_height) {
249
      JDIMENSION lines = _jpeg_skip_scanlines(dinfo, dinfo->output_height -
250
                                                     this->croppingRegion.y -
251
                                                     this->croppingRegion.h);
252
253
      if (lines != dinfo->output_height - this->croppingRegion.y -
254
                   this->croppingRegion.h)
255
        THROWI("Unexplained mismatch between specified (%d) and\n"
256
               "actual (%d) cropping region lower boundary",
257
               this->croppingRegion.y + this->croppingRegion.h,
258
               (int)(dinfo->output_height - lines));
259
    }
260
  } else
261
#endif
262
2.86k
  {
263
9.51M
    while (dinfo->output_scanline < dinfo->output_height)
264
9.51M
      _jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline],
265
9.51M
                           dinfo->output_height - dinfo->output_scanline);
266
2.86k
  }
267
2.86k
  jpeg_finish_decompress(dinfo);
268
269
18.6k
bailout:
270
18.6k
  if (dinfo->global_state > DSTATE_START) jpeg_abort_decompress(dinfo);
271
18.6k
  free(row_pointer);
272
18.6k
  if (this->jerr.warning) retval = -1;
273
18.6k
  return retval;
274
2.86k
}
275
276
277
/*************************** Packed-Pixel Image I/O **************************/
278
279
/* TurboJPEG 3+ */
280
DLLEXPORT _JSAMPLE *GET_NAME(tj3LoadImage, BITS_IN_JSAMPLE)
281
  (tjhandle handle, const char *filename, int *width, int align, int *height,
282
   int *pixelFormat)
283
0
{
284
0
  static const char FUNCTION_NAME[] =
285
0
    GET_STRING(tj3LoadImage, BITS_IN_JSAMPLE);
286
287
0
#if BITS_IN_JSAMPLE != 16 || defined(C_LOSSLESS_SUPPORTED)
288
289
0
  int retval = 0, tempc;
290
0
  size_t pitch;
291
0
  tjhandle handle2 = NULL;
292
0
  tjinstance *this2;
293
0
  j_compress_ptr cinfo = NULL;
294
0
  cjpeg_source_ptr src;
295
0
  _JSAMPLE *dstBuf = NULL;
296
0
  FILE *file = NULL;
297
0
  boolean invert;
298
299
0
  GET_TJINSTANCE(handle, NULL)
300
301
0
  if (!filename || !width || align < 1 || !height || !pixelFormat ||
302
0
      *pixelFormat < TJPF_UNKNOWN || *pixelFormat >= TJ_NUMPF)
303
0
    THROW("Invalid argument");
304
0
  if ((align & (align - 1)) != 0)
305
0
    THROW("Alignment must be a power of 2");
306
307
  /* The instance handle passed to this function is used only for parameter
308
     retrieval.  Create a new temporary instance to avoid interfering with the
309
     libjpeg state of the primary instance. */
310
0
  if ((handle2 = tj3Init(TJINIT_COMPRESS)) == NULL) return NULL;
311
0
  this2 = (tjinstance *)handle2;
312
0
  cinfo = &this2->cinfo;
313
314
#ifdef _MSC_VER
315
  if (fopen_s(&file, filename, "rb") || file == NULL)
316
#else
317
0
  if ((file = fopen(filename, "rb")) == NULL)
318
0
#endif
319
0
    THROW_UNIX("Cannot open input file");
320
321
0
  if ((tempc = getc(file)) < 0 || ungetc(tempc, file) == EOF)
322
0
    THROW_UNIX("Could not read input file")
323
0
  else if (tempc == EOF)
324
0
    THROW("Input file contains no data");
325
326
0
  if (setjmp(this2->jerr.setjmp_buffer)) {
327
    /* If we get here, the JPEG code has signaled an error. */
328
0
    retval = -1;  goto bailout;
329
0
  }
330
331
0
  cinfo->data_precision = BITS_IN_JSAMPLE;
332
0
  if (*pixelFormat == TJPF_UNKNOWN) cinfo->in_color_space = JCS_UNKNOWN;
333
0
  else cinfo->in_color_space = pf2cs[*pixelFormat];
334
0
  if (tempc == 'B') {
335
0
    if ((src = jinit_read_bmp(cinfo, FALSE)) == NULL)
336
0
      THROW("Could not initialize bitmap loader");
337
0
    invert = !this->bottomUp;
338
0
  } else if (tempc == 'P') {
339
0
    if ((src = _jinit_read_ppm(cinfo)) == NULL)
340
0
      THROW("Could not initialize PPM loader");
341
0
    invert = this->bottomUp;
342
0
  } else
343
0
    THROW("Unsupported file type");
344
345
0
  src->input_file = file;
346
0
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
347
  /* Refuse to load images larger than 1 Megapixel when fuzzing. */
348
0
  src->max_pixels = this->maxPixels;
349
0
#endif
350
0
  (*src->start_input) (cinfo, src);
351
0
  if (tempc == 'B') {
352
0
    if (cinfo->X_density && cinfo->Y_density) {
353
0
      this->xDensity = cinfo->X_density;
354
0
      this->yDensity = cinfo->Y_density;
355
0
      this->densityUnits = cinfo->density_unit;
356
0
    }
357
0
  }
358
0
  (*cinfo->mem->realize_virt_arrays) ((j_common_ptr)cinfo);
359
360
0
  *width = cinfo->image_width;  *height = cinfo->image_height;
361
0
  *pixelFormat = cs2pf[cinfo->in_color_space];
362
363
0
  pitch = PAD((*width) * tjPixelSize[*pixelFormat], align);
364
0
  if ((unsigned long long)pitch * (unsigned long long)(*height) >
365
0
      (unsigned long long)((size_t)-1) ||
366
0
      (dstBuf = (_JSAMPLE *)malloc(pitch * (*height) *
367
0
                                   sizeof(_JSAMPLE))) == NULL)
368
0
    THROW("Memory allocation failure");
369
370
0
  if (setjmp(this2->jerr.setjmp_buffer)) {
371
    /* If we get here, the JPEG code has signaled an error. */
372
0
    retval = -1;  goto bailout;
373
0
  }
374
375
0
  while (cinfo->next_scanline < cinfo->image_height) {
376
0
    int i, nlines = (*src->get_pixel_rows) (cinfo, src);
377
378
0
    for (i = 0; i < nlines; i++) {
379
0
      _JSAMPLE *dstptr;
380
0
      int row;
381
382
0
      row = cinfo->next_scanline + i;
383
0
      if (invert) dstptr = &dstBuf[((*height) - row - 1) * pitch];
384
0
      else dstptr = &dstBuf[row * pitch];
385
0
      memcpy(dstptr, src->_buffer[i],
386
0
             (*width) * tjPixelSize[*pixelFormat] * sizeof(_JSAMPLE));
387
0
    }
388
0
    cinfo->next_scanline += nlines;
389
0
  }
390
391
0
  (*src->finish_input) (cinfo, src);
392
393
0
bailout:
394
0
  tj3Destroy(handle2);
395
0
  if (file) fclose(file);
396
0
  if (retval < 0) { free(dstBuf);  dstBuf = NULL; }
397
0
  return dstBuf;
398
399
#else /* BITS_IN_JSAMPLE != 16 || defined(C_LOSSLESS_SUPPORTED) */
400
401
  static const char ERROR_MSG[] =
402
    "16-bit data precision requires lossless JPEG,\n"
403
    "which was disabled at build time.";
404
  _JSAMPLE *retval = NULL;
405
406
  GET_TJINSTANCE(handle, NULL)
407
  SNPRINTF(this->errStr, JMSG_LENGTH_MAX, "%s(): %s", FUNCTION_NAME,
408
           ERROR_MSG);
409
  this->isInstanceError = TRUE;  THROWG(ERROR_MSG, NULL)
410
411
bailout:
412
  return retval;
413
414
#endif
415
0
}
Unexecuted instantiation: tj3LoadImage8
Unexecuted instantiation: tj3LoadImage12
Unexecuted instantiation: tj3LoadImage16
416
417
418
/* TurboJPEG 3+ */
419
DLLEXPORT int GET_NAME(tj3SaveImage, BITS_IN_JSAMPLE)
420
  (tjhandle handle, const char *filename, const _JSAMPLE *buffer, int width,
421
   int pitch, int height, int pixelFormat)
422
0
{
423
0
  static const char FUNCTION_NAME[] =
424
0
    GET_STRING(tj3SaveImage, BITS_IN_JSAMPLE);
425
0
  int retval = 0;
426
427
0
#if BITS_IN_JSAMPLE != 16 || defined(D_LOSSLESS_SUPPORTED)
428
429
0
  tjhandle handle2 = NULL;
430
0
  tjinstance *this2;
431
0
  j_decompress_ptr dinfo = NULL;
432
0
  djpeg_dest_ptr dst;
433
0
  FILE *file = NULL;
434
0
  char *ptr = NULL;
435
0
  boolean invert;
436
437
0
  GET_TJINSTANCE(handle, -1)
438
439
0
  if (!filename || !buffer || width < 1 || pitch < 0 || height < 1 ||
440
0
      pixelFormat < 0 || pixelFormat >= TJ_NUMPF)
441
0
    THROW("Invalid argument");
442
443
  /* The instance handle passed to this function is used only for parameter
444
     retrieval.  Create a new temporary instance to avoid interfering with the
445
     libjpeg state of the primary instance. */
446
0
  if ((handle2 = tj3Init(TJINIT_DECOMPRESS)) == NULL)
447
0
    return -1;
448
0
  this2 = (tjinstance *)handle2;
449
0
  dinfo = &this2->dinfo;
450
451
#ifdef _MSC_VER
452
  if (fopen_s(&file, filename, "wb") || file == NULL)
453
#else
454
0
  if ((file = fopen(filename, "wb")) == NULL)
455
0
#endif
456
0
    THROW_UNIX("Cannot open output file");
457
458
0
  if (setjmp(this2->jerr.setjmp_buffer)) {
459
    /* If we get here, the JPEG code has signaled an error. */
460
0
    retval = -1;  goto bailout;
461
0
  }
462
463
0
  this2->dinfo.out_color_space = pf2cs[pixelFormat];
464
0
  dinfo->image_width = width;  dinfo->image_height = height;
465
0
  dinfo->global_state = DSTATE_READY;
466
0
  dinfo->scale_num = dinfo->scale_denom = 1;
467
0
  dinfo->data_precision = BITS_IN_JSAMPLE;
468
469
0
  ptr = strrchr(filename, '.');
470
0
  if (ptr && !strcasecmp(ptr, ".bmp")) {
471
0
    if ((dst = jinit_write_bmp(dinfo, FALSE, FALSE)) == NULL)
472
0
      THROW("Could not initialize bitmap writer");
473
0
    invert = !this->bottomUp;
474
0
    dinfo->X_density = (UINT16)this->xDensity;
475
0
    dinfo->Y_density = (UINT16)this->yDensity;
476
0
    dinfo->density_unit = (UINT8)this->densityUnits;
477
0
  } else {
478
0
    if ((dst = _jinit_write_ppm(dinfo)) == NULL)
479
0
      THROW("Could not initialize PPM writer");
480
0
    invert = this->bottomUp;
481
0
  }
482
483
0
  dst->output_file = file;
484
0
  (*dst->start_output) (dinfo, dst);
485
0
  (*dinfo->mem->realize_virt_arrays) ((j_common_ptr)dinfo);
486
487
0
  if (pitch == 0) pitch = width * tjPixelSize[pixelFormat];
488
489
0
  while (dinfo->output_scanline < dinfo->output_height) {
490
0
    _JSAMPLE *rowptr;
491
492
0
    if (invert)
493
0
      rowptr =
494
0
        (_JSAMPLE *)&buffer[(height - dinfo->output_scanline - 1) * pitch];
495
0
    else
496
0
      rowptr = (_JSAMPLE *)&buffer[dinfo->output_scanline * pitch];
497
0
    memcpy(dst->_buffer[0], rowptr,
498
0
           width * tjPixelSize[pixelFormat] * sizeof(_JSAMPLE));
499
0
    (*dst->put_pixel_rows) (dinfo, dst, 1);
500
0
    dinfo->output_scanline++;
501
0
  }
502
503
0
  (*dst->finish_output) (dinfo, dst);
504
505
0
bailout:
506
0
  tj3Destroy(handle2);
507
0
  if (file) fclose(file);
508
0
  return retval;
509
510
#else /* BITS_IN_JSAMPLE != 16 || defined(D_LOSSLESS_SUPPORTED) */
511
512
  GET_TJINSTANCE(handle, -1)
513
  THROW("16-bit data precision requires lossless JPEG,\n"
514
        "which was disabled at build time.")
515
bailout:
516
  return retval;
517
518
#endif
519
0
}
Unexecuted instantiation: tj3SaveImage8
Unexecuted instantiation: tj3SaveImage12
Unexecuted instantiation: tj3SaveImage16
520
521
522
#undef _JSAMPLE
523
#undef _JSAMPROW
524
#undef _buffer
525
#undef _jinit_read_ppm
526
#undef _jinit_write_ppm
527
#undef _jpeg_crop_scanline
528
#undef _jpeg_read_scanlines
529
#undef _jpeg_skip_scanlines
530
#undef _jpeg_write_scanlines