Coverage Report

Created: 2025-07-01 06:46

/src/FreeRDP/libfreerdp/codec/interleaved.c
Line
Count
Source (jump to first uncovered line)
1
/**
2
 * FreeRDP: A Remote Desktop Protocol Implementation
3
 * Interleaved RLE Bitmap Codec
4
 *
5
 * Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
6
 * Copyright 2015 Thincast Technologies GmbH
7
 * Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
8
 * Copyright 2016 Armin Novak <armin.novak@thincast.com>
9
 * Copyright 2016 Thincast Technologies GmbH
10
 *
11
 * Licensed under the Apache License, Version 2.0 (the "License");
12
 * you may not use this file except in compliance with the License.
13
 * You may obtain a copy of the License at
14
 *
15
 *     http://www.apache.org/licenses/LICENSE-2.0
16
 *
17
 * Unless required by applicable law or agreed to in writing, software
18
 * distributed under the License is distributed on an "AS IS" BASIS,
19
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20
 * See the License for the specific language governing permissions and
21
 * limitations under the License.
22
 */
23
24
#include <winpr/assert.h>
25
#include <winpr/cast.h>
26
#include <freerdp/config.h>
27
28
#include <freerdp/codec/interleaved.h>
29
#include <freerdp/log.h>
30
31
#define TAG FREERDP_TAG("codec")
32
33
#define UNROLL_BODY(_exp, _count)             \
34
0
  do                                        \
35
0
  {                                         \
36
0
    for (size_t x = 0; x < (_count); x++) \
37
0
    {                                     \
38
0
      do                                \
39
0
      {                                 \
40
0
        _exp                          \
41
0
      } while (FALSE);                  \
42
0
    }                                     \
43
0
  } while (FALSE)
44
45
#define UNROLL_MULTIPLE(_condition, _exp, _count) \
46
0
  do                                            \
47
0
  {                                             \
48
0
    while ((_condition) >= (_count))          \
49
0
    {                                         \
50
0
      UNROLL_BODY(_exp, _count);            \
51
0
      (_condition) -= (_count);             \
52
0
    }                                         \
53
0
  } while (FALSE)
54
55
#define UNROLL(_condition, _exp)               \
56
0
  do                                         \
57
0
  {                                          \
58
0
    UNROLL_MULTIPLE(_condition, _exp, 16); \
59
0
    UNROLL_MULTIPLE(_condition, _exp, 4);  \
60
0
    UNROLL_MULTIPLE(_condition, _exp, 1);  \
61
0
  } while (FALSE)
62
63
/*
64
   RLE Compressed Bitmap Stream (RLE_BITMAP_STREAM)
65
   http://msdn.microsoft.com/en-us/library/cc240895%28v=prot.10%29.aspx
66
   pseudo-code
67
   http://msdn.microsoft.com/en-us/library/dd240593%28v=prot.10%29.aspx
68
*/
69
70
0
#define REGULAR_BG_RUN 0x00
71
0
#define MEGA_MEGA_BG_RUN 0xF0
72
0
#define REGULAR_FG_RUN 0x01
73
0
#define MEGA_MEGA_FG_RUN 0xF1
74
0
#define LITE_SET_FG_FG_RUN 0x0C
75
0
#define MEGA_MEGA_SET_FG_RUN 0xF6
76
0
#define LITE_DITHERED_RUN 0x0E
77
0
#define MEGA_MEGA_DITHERED_RUN 0xF8
78
0
#define REGULAR_COLOR_RUN 0x03
79
0
#define MEGA_MEGA_COLOR_RUN 0xF3
80
0
#define REGULAR_FGBG_IMAGE 0x02
81
0
#define MEGA_MEGA_FGBG_IMAGE 0xF2
82
0
#define LITE_SET_FG_FGBG_IMAGE 0x0D
83
0
#define MEGA_MEGA_SET_FGBG_IMAGE 0xF7
84
0
#define REGULAR_COLOR_IMAGE 0x04
85
0
#define MEGA_MEGA_COLOR_IMAGE 0xF4
86
0
#define SPECIAL_FGBG_1 0xF9
87
0
#define SPECIAL_FGBG_2 0xFA
88
0
#define SPECIAL_WHITE 0xFD
89
0
#define SPECIAL_BLACK 0xFE
90
91
#define BLACK_PIXEL 0x000000
92
93
typedef UINT32 PIXEL;
94
95
static const BYTE g_MaskSpecialFgBg1 = 0x03;
96
static const BYTE g_MaskSpecialFgBg2 = 0x05;
97
98
static const BYTE g_MaskRegularRunLength = 0x1F;
99
static const BYTE g_MaskLiteRunLength = 0x0F;
100
101
#if defined(WITH_DEBUG_CODECS)
102
static const char* rle_code_str(UINT32 code)
103
{
104
  switch (code)
105
  {
106
    case REGULAR_BG_RUN:
107
      return "REGULAR_BG_RUN";
108
    case MEGA_MEGA_BG_RUN:
109
      return "MEGA_MEGA_BG_RUN";
110
    case REGULAR_FG_RUN:
111
      return "REGULAR_FG_RUN";
112
    case MEGA_MEGA_FG_RUN:
113
      return "MEGA_MEGA_FG_RUN";
114
    case LITE_SET_FG_FG_RUN:
115
      return "LITE_SET_FG_FG_RUN";
116
    case MEGA_MEGA_SET_FG_RUN:
117
      return "MEGA_MEGA_SET_FG_RUN";
118
    case LITE_DITHERED_RUN:
119
      return "LITE_DITHERED_RUN";
120
    case MEGA_MEGA_DITHERED_RUN:
121
      return "MEGA_MEGA_DITHERED_RUN";
122
    case REGULAR_COLOR_RUN:
123
      return "REGULAR_COLOR_RUN";
124
    case MEGA_MEGA_COLOR_RUN:
125
      return "MEGA_MEGA_COLOR_RUN";
126
    case REGULAR_FGBG_IMAGE:
127
      return "REGULAR_FGBG_IMAGE";
128
    case MEGA_MEGA_FGBG_IMAGE:
129
      return "MEGA_MEGA_FGBG_IMAGE";
130
    case LITE_SET_FG_FGBG_IMAGE:
131
      return "LITE_SET_FG_FGBG_IMAGE";
132
    case MEGA_MEGA_SET_FGBG_IMAGE:
133
      return "MEGA_MEGA_SET_FGBG_IMAGE";
134
    case REGULAR_COLOR_IMAGE:
135
      return "REGULAR_COLOR_IMAGE";
136
    case MEGA_MEGA_COLOR_IMAGE:
137
      return "MEGA_MEGA_COLOR_IMAGE";
138
    case SPECIAL_FGBG_1:
139
      return "SPECIAL_FGBG_1";
140
    case SPECIAL_FGBG_2:
141
      return "SPECIAL_FGBG_2";
142
    case SPECIAL_WHITE:
143
      return "SPECIAL_WHITE";
144
    case SPECIAL_BLACK:
145
      return "SPECIAL_BLACK";
146
    default:
147
      return "UNKNOWN";
148
  }
149
}
150
#endif
151
152
#define buffer_within_range(pbSrc, size, pbEnd) \
153
0
  buffer_within_range_((pbSrc), (size), (pbEnd), __func__, __FILE__, __LINE__)
154
static INLINE BOOL buffer_within_range_(const void* pbSrc, size_t size, const void* pbEnd,
155
                                        const char* fkt, const char* file, size_t line)
156
0
{
157
0
  WINPR_UNUSED(file);
158
0
  WINPR_ASSERT(pbSrc);
159
0
  WINPR_ASSERT(pbEnd);
160
161
0
  if ((const char*)pbSrc + size > (const char*)pbEnd)
162
0
  {
163
0
    WLog_ERR(TAG, "[%s:%" PRIuz "] pbSrc=%p + %" PRIuz " > pbEnd=%p", fkt, line, pbSrc, size,
164
0
             pbEnd);
165
0
    return FALSE;
166
0
  }
167
0
  return TRUE;
168
0
}
169
170
/**
171
 * Reads the supplied order header and extracts the compression
172
 * order code ID.
173
 */
174
static INLINE UINT32 ExtractCodeId(BYTE bOrderHdr)
175
0
{
176
0
  if ((bOrderHdr & 0xC0U) != 0xC0U)
177
0
  {
178
    /* REGULAR orders
179
     * (000x xxxx, 001x xxxx, 010x xxxx, 011x xxxx, 100x xxxx)
180
     */
181
0
    return bOrderHdr >> 5;
182
0
  }
183
0
  else if ((bOrderHdr & 0xF0U) == 0xF0U)
184
0
  {
185
    /* MEGA and SPECIAL orders (0xF*) */
186
0
    return bOrderHdr;
187
0
  }
188
0
  else
189
0
  {
190
    /* LITE orders
191
     * 1100 xxxx, 1101 xxxx, 1110 xxxx)
192
     */
193
0
    return bOrderHdr >> 4;
194
0
  }
195
0
}
196
197
/**
198
 * Extract the run length of a compression order.
199
 */
200
static UINT ExtractRunLengthRegularFgBg(const BYTE* pbOrderHdr, const BYTE* pbEnd, UINT32* advance)
201
0
{
202
0
  UINT runLength = 0;
203
204
0
  WINPR_ASSERT(pbOrderHdr);
205
0
  WINPR_ASSERT(pbEnd);
206
0
  WINPR_ASSERT(advance);
207
208
0
  runLength = (*pbOrderHdr) & g_MaskRegularRunLength;
209
0
  if (runLength == 0)
210
0
  {
211
0
    if (!buffer_within_range(pbOrderHdr, 2, pbEnd))
212
0
    {
213
0
      *advance = 0;
214
0
      return 0;
215
0
    }
216
0
    runLength = *(pbOrderHdr + 1) + 1;
217
0
    (*advance)++;
218
0
  }
219
0
  else
220
0
    runLength = runLength * 8;
221
222
0
  return runLength;
223
0
}
224
225
static UINT ExtractRunLengthLiteFgBg(const BYTE* pbOrderHdr, const BYTE* pbEnd, UINT32* advance)
226
0
{
227
0
  UINT runLength = 0;
228
229
0
  WINPR_ASSERT(pbOrderHdr);
230
0
  WINPR_ASSERT(pbEnd);
231
0
  WINPR_ASSERT(advance);
232
233
0
  runLength = *pbOrderHdr & g_MaskLiteRunLength;
234
0
  if (runLength == 0)
235
0
  {
236
0
    if (!buffer_within_range(pbOrderHdr, 2, pbEnd))
237
0
    {
238
0
      *advance = 0;
239
0
      return 0;
240
0
    }
241
0
    runLength = *(pbOrderHdr + 1) + 1;
242
0
    (*advance)++;
243
0
  }
244
0
  else
245
0
    runLength = runLength * 8;
246
247
0
  return runLength;
248
0
}
249
250
static UINT ExtractRunLengthRegular(const BYTE* pbOrderHdr, const BYTE* pbEnd, UINT32* advance)
251
0
{
252
0
  UINT runLength = 0;
253
254
0
  WINPR_ASSERT(pbOrderHdr);
255
0
  WINPR_ASSERT(pbEnd);
256
0
  WINPR_ASSERT(advance);
257
258
0
  runLength = *pbOrderHdr & g_MaskRegularRunLength;
259
0
  if (runLength == 0)
260
0
  {
261
0
    if (!buffer_within_range(pbOrderHdr, 2, pbEnd))
262
0
    {
263
0
      *advance = 0;
264
0
      return 0;
265
0
    }
266
0
    runLength = *(pbOrderHdr + 1) + 32;
267
0
    (*advance)++;
268
0
  }
269
270
0
  return runLength;
271
0
}
272
273
static UINT ExtractRunLengthMegaMega(const BYTE* pbOrderHdr, const BYTE* pbEnd, UINT32* advance)
274
0
{
275
0
  UINT runLength = 0;
276
277
0
  WINPR_ASSERT(pbOrderHdr);
278
0
  WINPR_ASSERT(pbEnd);
279
0
  WINPR_ASSERT(advance);
280
281
0
  if (!buffer_within_range(pbOrderHdr, 3, pbEnd))
282
0
  {
283
0
    *advance = 0;
284
0
    return 0;
285
0
  }
286
287
0
  runLength = ((UINT16)pbOrderHdr[1]) | ((((UINT16)pbOrderHdr[2]) << 8) & 0xFF00);
288
0
  (*advance) += 2;
289
290
0
  return runLength;
291
0
}
292
293
static UINT ExtractRunLengthLite(const BYTE* pbOrderHdr, const BYTE* pbEnd, UINT32* advance)
294
0
{
295
0
  UINT runLength = 0;
296
297
0
  WINPR_ASSERT(pbOrderHdr);
298
0
  WINPR_ASSERT(pbEnd);
299
0
  WINPR_ASSERT(advance);
300
301
0
  runLength = *pbOrderHdr & g_MaskLiteRunLength;
302
0
  if (runLength == 0)
303
0
  {
304
0
    if (!buffer_within_range(pbOrderHdr, 2, pbEnd))
305
0
    {
306
0
      *advance = 0;
307
0
      return 0;
308
0
    }
309
0
    runLength = *(pbOrderHdr + 1) + 16;
310
0
    (*advance)++;
311
0
  }
312
0
  return runLength;
313
0
}
314
315
static INLINE UINT32 ExtractRunLength(UINT32 code, const BYTE* pbOrderHdr, const BYTE* pbEnd,
316
                                      UINT32* advance)
317
0
{
318
0
  UINT32 runLength = 0;
319
0
  UINT32 ladvance = 1;
320
321
0
  WINPR_ASSERT(pbOrderHdr);
322
0
  WINPR_ASSERT(pbEnd);
323
0
  WINPR_ASSERT(advance);
324
325
#if defined(WITH_DEBUG_CODECS)
326
  WLog_VRB(TAG, "extracting %s", rle_code_str(code));
327
#endif
328
329
0
  *advance = 0;
330
0
  if (!buffer_within_range(pbOrderHdr, 0, pbEnd))
331
0
    return 0;
332
333
0
  switch (code)
334
0
  {
335
0
    case REGULAR_FGBG_IMAGE:
336
0
      runLength = ExtractRunLengthRegularFgBg(pbOrderHdr, pbEnd, &ladvance);
337
0
      break;
338
339
0
    case LITE_SET_FG_FGBG_IMAGE:
340
0
      runLength = ExtractRunLengthLiteFgBg(pbOrderHdr, pbEnd, &ladvance);
341
0
      break;
342
343
0
    case REGULAR_BG_RUN:
344
0
    case REGULAR_FG_RUN:
345
0
    case REGULAR_COLOR_RUN:
346
0
    case REGULAR_COLOR_IMAGE:
347
0
      runLength = ExtractRunLengthRegular(pbOrderHdr, pbEnd, &ladvance);
348
0
      break;
349
350
0
    case LITE_SET_FG_FG_RUN:
351
0
    case LITE_DITHERED_RUN:
352
0
      runLength = ExtractRunLengthLite(pbOrderHdr, pbEnd, &ladvance);
353
0
      break;
354
355
0
    case MEGA_MEGA_BG_RUN:
356
0
    case MEGA_MEGA_FG_RUN:
357
0
    case MEGA_MEGA_SET_FG_RUN:
358
0
    case MEGA_MEGA_DITHERED_RUN:
359
0
    case MEGA_MEGA_COLOR_RUN:
360
0
    case MEGA_MEGA_FGBG_IMAGE:
361
0
    case MEGA_MEGA_SET_FGBG_IMAGE:
362
0
    case MEGA_MEGA_COLOR_IMAGE:
363
0
      runLength = ExtractRunLengthMegaMega(pbOrderHdr, pbEnd, &ladvance);
364
0
      break;
365
366
0
    default:
367
0
      runLength = 0;
368
0
      ladvance = 0;
369
0
      break;
370
0
  }
371
372
0
  *advance = ladvance;
373
0
  return runLength;
374
0
}
375
376
#define ensure_capacity(start, end, size, base) \
377
0
  ensure_capacity_((start), (end), (size), (base), __func__, __FILE__, __LINE__)
378
static INLINE BOOL ensure_capacity_(const BYTE* start, const BYTE* end, size_t size, size_t base,
379
                                    const char* fkt, WINPR_ATTR_UNUSED const char* file,
380
                                    size_t line)
381
0
{
382
0
  const size_t available = (uintptr_t)end - (uintptr_t)start;
383
0
  const BOOL rc = available >= size * base;
384
0
  const BOOL res = rc && (start <= end);
385
386
0
  if (!res)
387
0
    WLog_ERR(TAG,
388
0
             "[%s:%" PRIuz "] failed: start=%p <= end=%p, available=%" PRIuz " >= size=%" PRIuz
389
0
             " * base=%" PRIuz,
390
0
             fkt, line, start, end, available, size, base);
391
0
  return res;
392
0
}
393
394
static INLINE void write_pixel_8(BYTE* _buf, BYTE _pix)
395
0
{
396
0
  WINPR_ASSERT(_buf);
397
0
  *_buf = _pix;
398
0
}
399
400
static INLINE void write_pixel_24(BYTE* _buf, UINT32 _pix)
401
0
{
402
0
  WINPR_ASSERT(_buf);
403
0
  (_buf)[0] = (BYTE)(_pix);
404
0
  (_buf)[1] = (BYTE)((_pix) >> 8);
405
0
  (_buf)[2] = (BYTE)((_pix) >> 16);
406
0
}
407
408
static INLINE void write_pixel_16(BYTE* _buf, UINT16 _pix)
409
0
{
410
0
  WINPR_ASSERT(_buf);
411
0
  _buf[0] = _pix & 0xFF;
412
0
  _buf[1] = (_pix >> 8) & 0xFF;
413
0
}
414
415
#undef DESTWRITEPIXEL
416
#undef DESTREADPIXEL
417
#undef SRCREADPIXEL
418
#undef WRITEFGBGIMAGE
419
#undef WRITEFIRSTLINEFGBGIMAGE
420
#undef RLEDECOMPRESS
421
#undef RLEEXTRA
422
#undef WHITE_PIXEL
423
#undef PIXEL_SIZE
424
#undef PIXEL
425
#define PIXEL_SIZE 1
426
0
#define PIXEL BYTE
427
0
#define WHITE_PIXEL 0xFF
428
#define DESTWRITEPIXEL(_buf, _pix) \
429
0
  do                             \
430
0
  {                              \
431
0
    write_pixel_8(_buf, _pix); \
432
0
    (_buf) += 1;               \
433
0
  } while (0)
434
0
#define DESTREADPIXEL(_pix, _buf) _pix = (_buf)[0]
435
#define SRCREADPIXEL(_pix, _buf) \
436
0
  do                           \
437
0
  {                            \
438
0
    (_pix) = (_buf)[0];      \
439
0
    (_buf) += 1;             \
440
0
  } while (0)
441
442
0
#define WRITEFGBGIMAGE WriteFgBgImage8to8
443
0
#define WRITEFIRSTLINEFGBGIMAGE WriteFirstLineFgBgImage8to8
444
#define RLEDECOMPRESS RleDecompress8to8
445
#define RLEEXTRA
446
#undef ENSURE_CAPACITY
447
0
#define ENSURE_CAPACITY(_start, _end, _size) ensure_capacity(_start, _end, _size, 1)
448
#include "include/bitmap.h"
449
450
#undef DESTWRITEPIXEL
451
#undef DESTREADPIXEL
452
#undef SRCREADPIXEL
453
#undef WRITEFGBGIMAGE
454
#undef WRITEFIRSTLINEFGBGIMAGE
455
#undef RLEDECOMPRESS
456
#undef RLEEXTRA
457
#undef WHITE_PIXEL
458
#undef PIXEL_SIZE
459
#undef PIXEL
460
#define PIXEL_SIZE 2
461
0
#define PIXEL UINT16
462
0
#define WHITE_PIXEL 0xFFFF
463
#define DESTWRITEPIXEL(_buf, _pix)  \
464
0
  do                              \
465
0
  {                               \
466
0
    write_pixel_16(_buf, _pix); \
467
0
    (_buf) += 2;                \
468
0
  } while (0)
469
0
#define DESTREADPIXEL(_pix, _buf) _pix = ((UINT16*)(_buf))[0]
470
#define SRCREADPIXEL(_pix, _buf)                                                            \
471
0
  do                                                                                      \
472
0
  {                                                                                       \
473
0
    (_pix) = WINPR_ASSERTING_INT_CAST(UINT16, (_buf)[0] | (((_buf)[1] << 8) & 0xFF00)); \
474
0
    (_buf) += 2;                                                                        \
475
0
  } while (0)
476
0
#define WRITEFGBGIMAGE WriteFgBgImage16to16
477
0
#define WRITEFIRSTLINEFGBGIMAGE WriteFirstLineFgBgImage16to16
478
#define RLEDECOMPRESS RleDecompress16to16
479
#define RLEEXTRA
480
#undef ENSURE_CAPACITY
481
0
#define ENSURE_CAPACITY(_start, _end, _size) ensure_capacity(_start, _end, _size, 2)
482
#include "include/bitmap.h"
483
484
#undef DESTWRITEPIXEL
485
#undef DESTREADPIXEL
486
#undef SRCREADPIXEL
487
#undef WRITEFGBGIMAGE
488
#undef WRITEFIRSTLINEFGBGIMAGE
489
#undef RLEDECOMPRESS
490
#undef RLEEXTRA
491
#undef WHITE_PIXEL
492
#undef PIXEL_SIZE
493
#undef PIXEL
494
#define PIXEL_SIZE 3
495
0
#define PIXEL UINT32
496
0
#define WHITE_PIXEL 0xffffff
497
#define DESTWRITEPIXEL(_buf, _pix)  \
498
0
  do                              \
499
0
  {                               \
500
0
    write_pixel_24(_buf, _pix); \
501
0
    (_buf) += 3;                \
502
0
  } while (0)
503
#define DESTREADPIXEL(_pix, _buf) \
504
0
  _pix = (_buf)[0] | (((_buf)[1] << 8) & 0xFF00) | (((_buf)[2] << 16) & 0xFF0000)
505
#define SRCREADPIXEL(_pix, _buf)                                                           \
506
0
  do                                                                                     \
507
0
  {                                                                                      \
508
0
    (_pix) = (_buf)[0] | (((_buf)[1] << 8) & 0xFF00) | (((_buf)[2] << 16) & 0xFF0000); \
509
0
    (_buf) += 3;                                                                       \
510
0
  } while (0)
511
512
0
#define WRITEFGBGIMAGE WriteFgBgImage24to24
513
0
#define WRITEFIRSTLINEFGBGIMAGE WriteFirstLineFgBgImage24to24
514
#define RLEDECOMPRESS RleDecompress24to24
515
#define RLEEXTRA
516
#undef ENSURE_CAPACITY
517
0
#define ENSURE_CAPACITY(_start, _end, _size) ensure_capacity(_start, _end, _size, 3)
518
#include "include/bitmap.h"
519
520
struct S_BITMAP_INTERLEAVED_CONTEXT
521
{
522
  BOOL Compressor;
523
524
  UINT32 TempSize;
525
  BYTE* TempBuffer;
526
527
  wStream* bts;
528
};
529
530
BOOL interleaved_decompress(BITMAP_INTERLEAVED_CONTEXT* WINPR_RESTRICT interleaved,
531
                            const BYTE* WINPR_RESTRICT pSrcData, UINT32 SrcSize, UINT32 nSrcWidth,
532
                            UINT32 nSrcHeight, UINT32 bpp, BYTE* WINPR_RESTRICT pDstData,
533
                            UINT32 DstFormat, UINT32 nDstStep, UINT32 nXDst, UINT32 nYDst,
534
                            UINT32 nDstWidth, UINT32 nDstHeight,
535
                            const gdiPalette* WINPR_RESTRICT palette)
536
0
{
537
0
  UINT32 scanline = 0;
538
0
  UINT32 SrcFormat = 0;
539
0
  UINT32 BufferSize = 0;
540
541
0
  if (!interleaved || !pSrcData || !pDstData)
542
0
  {
543
0
    WLog_ERR(TAG, "invalid arguments: interleaved=%p, pSrcData=%p, pDstData=%p", interleaved,
544
0
             pSrcData, pDstData);
545
0
    return FALSE;
546
0
  }
547
548
0
  switch (bpp)
549
0
  {
550
0
    case 24:
551
0
      scanline = nSrcWidth * 3;
552
0
      SrcFormat = PIXEL_FORMAT_BGR24;
553
0
      break;
554
555
0
    case 16:
556
0
      scanline = nSrcWidth * 2;
557
0
      SrcFormat = PIXEL_FORMAT_RGB16;
558
0
      break;
559
560
0
    case 15:
561
0
      scanline = nSrcWidth * 2;
562
0
      SrcFormat = PIXEL_FORMAT_RGB15;
563
0
      break;
564
565
0
    case 8:
566
0
      scanline = nSrcWidth;
567
0
      SrcFormat = PIXEL_FORMAT_RGB8;
568
0
      break;
569
570
0
    default:
571
0
      WLog_ERR(TAG, "Invalid color depth %" PRIu32 "", bpp);
572
0
      return FALSE;
573
0
  }
574
575
0
  BufferSize = scanline * nSrcHeight;
576
577
0
  if (BufferSize > interleaved->TempSize)
578
0
  {
579
0
    interleaved->TempBuffer =
580
0
        winpr_aligned_recalloc(interleaved->TempBuffer, BufferSize, sizeof(BYTE), 16);
581
0
    interleaved->TempSize = BufferSize;
582
0
  }
583
584
0
  if (!interleaved->TempBuffer)
585
0
  {
586
0
    WLog_ERR(TAG, "interleaved->TempBuffer=%p", interleaved->TempBuffer);
587
0
    return FALSE;
588
0
  }
589
590
0
  switch (bpp)
591
0
  {
592
0
    case 24:
593
0
      if (!RleDecompress24to24(pSrcData, SrcSize, interleaved->TempBuffer, scanline,
594
0
                               nSrcWidth, nSrcHeight))
595
0
      {
596
0
        WLog_ERR(TAG, "RleDecompress24to24 failed");
597
0
        return FALSE;
598
0
      }
599
600
0
      break;
601
602
0
    case 16:
603
0
    case 15:
604
0
      if (!RleDecompress16to16(pSrcData, SrcSize, interleaved->TempBuffer, scanline,
605
0
                               nSrcWidth, nSrcHeight))
606
0
      {
607
0
        WLog_ERR(TAG, "RleDecompress16to16 failed");
608
0
        return FALSE;
609
0
      }
610
611
0
      break;
612
613
0
    case 8:
614
0
      if (!RleDecompress8to8(pSrcData, SrcSize, interleaved->TempBuffer, scanline, nSrcWidth,
615
0
                             nSrcHeight))
616
0
      {
617
0
        WLog_ERR(TAG, "RleDecompress8to8 failed");
618
0
        return FALSE;
619
0
      }
620
621
0
      break;
622
623
0
    default:
624
0
      WLog_ERR(TAG, "Invalid color depth %" PRIu32 "", bpp);
625
0
      return FALSE;
626
0
  }
627
628
0
  if (!freerdp_image_copy_no_overlap(pDstData, DstFormat, nDstStep, nXDst, nYDst, nDstWidth,
629
0
                                     nDstHeight, interleaved->TempBuffer, SrcFormat, scanline, 0,
630
0
                                     0, palette, FREERDP_FLIP_VERTICAL | FREERDP_KEEP_DST_ALPHA))
631
0
  {
632
0
    WLog_ERR(TAG, "freerdp_image_copy failed");
633
0
    return FALSE;
634
0
  }
635
0
  return TRUE;
636
0
}
637
638
BOOL interleaved_compress(BITMAP_INTERLEAVED_CONTEXT* WINPR_RESTRICT interleaved,
639
                          BYTE* WINPR_RESTRICT pDstData, UINT32* WINPR_RESTRICT pDstSize,
640
                          UINT32 nWidth, UINT32 nHeight, const BYTE* WINPR_RESTRICT pSrcData,
641
                          UINT32 SrcFormat, UINT32 nSrcStep, UINT32 nXSrc, UINT32 nYSrc,
642
                          const gdiPalette* WINPR_RESTRICT palette, UINT32 bpp)
643
0
{
644
0
  BOOL status = 0;
645
0
  wStream* s = NULL;
646
0
  UINT32 DstFormat = 0;
647
0
  const UINT32 maxSize = 64 * 64 * 4;
648
649
0
  if (!interleaved || !pDstData || !pSrcData)
650
0
    return FALSE;
651
652
0
  if ((nWidth == 0) || (nHeight == 0))
653
0
    return FALSE;
654
655
0
  if (nWidth % 4)
656
0
  {
657
0
    WLog_ERR(TAG, "interleaved_compress: width is not a multiple of 4");
658
0
    return FALSE;
659
0
  }
660
661
0
  if ((nWidth > 64) || (nHeight > 64))
662
0
  {
663
0
    WLog_ERR(TAG,
664
0
             "interleaved_compress: width (%" PRIu32 ") or height (%" PRIu32
665
0
             ") is greater than 64",
666
0
             nWidth, nHeight);
667
0
    return FALSE;
668
0
  }
669
670
0
  switch (bpp)
671
0
  {
672
0
    case 24:
673
0
      DstFormat = PIXEL_FORMAT_BGRX32;
674
0
      break;
675
676
0
    case 16:
677
0
      DstFormat = PIXEL_FORMAT_RGB16;
678
0
      break;
679
680
0
    case 15:
681
0
      DstFormat = PIXEL_FORMAT_RGB15;
682
0
      break;
683
684
0
    default:
685
0
      return FALSE;
686
0
  }
687
688
0
  if (!freerdp_image_copy_no_overlap(interleaved->TempBuffer, DstFormat, 0, 0, 0, nWidth, nHeight,
689
0
                                     pSrcData, SrcFormat, nSrcStep, nXSrc, nYSrc, palette,
690
0
                                     FREERDP_KEEP_DST_ALPHA))
691
0
    return FALSE;
692
693
0
  s = Stream_New(pDstData, *pDstSize);
694
695
0
  if (!s)
696
0
    return FALSE;
697
698
0
  Stream_SetPosition(interleaved->bts, 0);
699
700
0
  if (freerdp_bitmap_compress(interleaved->TempBuffer, nWidth, nHeight, s, bpp, maxSize,
701
0
                              nHeight - 1, interleaved->bts, 0) < 0)
702
0
    status = FALSE;
703
0
  else
704
0
    status = TRUE;
705
706
0
  Stream_SealLength(s);
707
0
  *pDstSize = (UINT32)Stream_Length(s);
708
0
  Stream_Free(s, FALSE);
709
0
  return status;
710
0
}
711
712
BOOL bitmap_interleaved_context_reset(BITMAP_INTERLEAVED_CONTEXT* WINPR_RESTRICT interleaved)
713
0
{
714
0
  if (!interleaved)
715
0
    return FALSE;
716
717
0
  return TRUE;
718
0
}
719
720
BITMAP_INTERLEAVED_CONTEXT* bitmap_interleaved_context_new(WINPR_ATTR_UNUSED BOOL Compressor)
721
0
{
722
0
  BITMAP_INTERLEAVED_CONTEXT* interleaved = NULL;
723
0
  interleaved = (BITMAP_INTERLEAVED_CONTEXT*)winpr_aligned_recalloc(
724
0
      NULL, 1, sizeof(BITMAP_INTERLEAVED_CONTEXT), 32);
725
726
0
  if (interleaved)
727
0
  {
728
0
    interleaved->TempSize = 64 * 64 * 4;
729
0
    interleaved->TempBuffer = winpr_aligned_calloc(interleaved->TempSize, sizeof(BYTE), 16);
730
731
0
    if (!interleaved->TempBuffer)
732
0
      goto fail;
733
734
0
    interleaved->bts = Stream_New(NULL, interleaved->TempSize);
735
736
0
    if (!interleaved->bts)
737
0
      goto fail;
738
0
  }
739
740
0
  return interleaved;
741
742
0
fail:
743
0
  WINPR_PRAGMA_DIAG_PUSH
744
0
  WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
745
0
  bitmap_interleaved_context_free(interleaved);
746
0
  WINPR_PRAGMA_DIAG_POP
747
0
  return NULL;
748
0
}
749
750
void bitmap_interleaved_context_free(BITMAP_INTERLEAVED_CONTEXT* WINPR_RESTRICT interleaved)
751
0
{
752
0
  if (!interleaved)
753
0
    return;
754
755
0
  winpr_aligned_free(interleaved->TempBuffer);
756
0
  Stream_Free(interleaved->bts, TRUE);
757
0
  winpr_aligned_free(interleaved);
758
0
}