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rfx.c
1
22#include <freerdp/config.h>
23
24#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
27
28#include <winpr/assert.h>
29#include <winpr/cast.h>
30#include <winpr/crt.h>
31#include <winpr/tchar.h>
32#include <winpr/sysinfo.h>
33#include <winpr/registry.h>
34
35#include <freerdp/log.h>
36#include <freerdp/settings.h>
37#include <freerdp/codec/rfx.h>
38#include <freerdp/constants.h>
39#include <freerdp/primitives.h>
40#include <freerdp/codec/region.h>
41#include <freerdp/build-config.h>
42
43#include "rfx_constants.h"
44#include "rfx_types.h"
45#include "rfx_decode.h"
46#include "rfx_encode.h"
47#include "rfx_quantization.h"
48#include "rfx_dwt.h"
49#include "rfx_rlgr.h"
50#include "../core/utils.h"
51
52#include "sse/rfx_sse2.h"
53#include "neon/rfx_neon.h"
54
55#define TAG FREERDP_TAG("codec")
56
57#define RFX_KEY "Software\\%s\\RemoteFX"
58
71static const UINT32 rfx_default_quantization_values[] = { 6, 6, 6, 6, 7, 7, 8, 8, 8, 9 };
72
73static inline BOOL rfx_write_progressive_tile_simple(RFX_CONTEXT* WINPR_RESTRICT rfx,
74 wStream* WINPR_RESTRICT s,
75 const RFX_TILE* WINPR_RESTRICT tile);
76static BOOL rfx_message_clear(RFX_CONTEXT* WINPR_RESTRICT context,
77 RFX_MESSAGE* WINPR_RESTRICT message);
78
79static inline void rfx_profiler_create(RFX_CONTEXT* WINPR_RESTRICT context)
80{
81 if (!context || !context->priv)
82 return;
83 PROFILER_CREATE(context->priv->prof_rfx_decode_rgb, "rfx_decode_rgb")
84 PROFILER_CREATE(context->priv->prof_rfx_decode_component, "rfx_decode_component")
85 PROFILER_CREATE(context->priv->prof_rfx_rlgr_decode, "rfx_rlgr_decode")
86 PROFILER_CREATE(context->priv->prof_rfx_differential_decode, "rfx_differential_decode")
87 PROFILER_CREATE(context->priv->prof_rfx_quantization_decode, "rfx_quantization_decode")
88 PROFILER_CREATE(context->priv->prof_rfx_dwt_2d_decode, "rfx_dwt_2d_decode")
89 PROFILER_CREATE(context->priv->prof_rfx_ycbcr_to_rgb, "prims->yCbCrToRGB")
90 PROFILER_CREATE(context->priv->prof_rfx_encode_rgb, "rfx_encode_rgb")
91 PROFILER_CREATE(context->priv->prof_rfx_encode_component, "rfx_encode_component")
92 PROFILER_CREATE(context->priv->prof_rfx_rlgr_encode, "rfx_rlgr_encode")
93 PROFILER_CREATE(context->priv->prof_rfx_differential_encode, "rfx_differential_encode")
94 PROFILER_CREATE(context->priv->prof_rfx_quantization_encode, "rfx_quantization_encode")
95 PROFILER_CREATE(context->priv->prof_rfx_dwt_2d_encode, "rfx_dwt_2d_encode")
96 PROFILER_CREATE(context->priv->prof_rfx_rgb_to_ycbcr, "prims->RGBToYCbCr")
97 PROFILER_CREATE(context->priv->prof_rfx_encode_format_rgb, "rfx_encode_format_rgb")
98}
99
100static inline void rfx_profiler_free(RFX_CONTEXT* WINPR_RESTRICT context)
101{
102 if (!context || !context->priv)
103 return;
104 PROFILER_FREE(context->priv->prof_rfx_decode_rgb)
105 PROFILER_FREE(context->priv->prof_rfx_decode_component)
106 PROFILER_FREE(context->priv->prof_rfx_rlgr_decode)
107 PROFILER_FREE(context->priv->prof_rfx_differential_decode)
108 PROFILER_FREE(context->priv->prof_rfx_quantization_decode)
109 PROFILER_FREE(context->priv->prof_rfx_dwt_2d_decode)
110 PROFILER_FREE(context->priv->prof_rfx_ycbcr_to_rgb)
111 PROFILER_FREE(context->priv->prof_rfx_encode_rgb)
112 PROFILER_FREE(context->priv->prof_rfx_encode_component)
113 PROFILER_FREE(context->priv->prof_rfx_rlgr_encode)
114 PROFILER_FREE(context->priv->prof_rfx_differential_encode)
115 PROFILER_FREE(context->priv->prof_rfx_quantization_encode)
116 PROFILER_FREE(context->priv->prof_rfx_dwt_2d_encode)
117 PROFILER_FREE(context->priv->prof_rfx_rgb_to_ycbcr)
118 PROFILER_FREE(context->priv->prof_rfx_encode_format_rgb)
119}
120
121static inline void rfx_profiler_print(RFX_CONTEXT* WINPR_RESTRICT context)
122{
123 if (!context || !context->priv)
124 return;
125
126 PROFILER_PRINT_HEADER
127 PROFILER_PRINT(context->priv->prof_rfx_decode_rgb)
128 PROFILER_PRINT(context->priv->prof_rfx_decode_component)
129 PROFILER_PRINT(context->priv->prof_rfx_rlgr_decode)
130 PROFILER_PRINT(context->priv->prof_rfx_differential_decode)
131 PROFILER_PRINT(context->priv->prof_rfx_quantization_decode)
132 PROFILER_PRINT(context->priv->prof_rfx_dwt_2d_decode)
133 PROFILER_PRINT(context->priv->prof_rfx_ycbcr_to_rgb)
134 PROFILER_PRINT(context->priv->prof_rfx_encode_rgb)
135 PROFILER_PRINT(context->priv->prof_rfx_encode_component)
136 PROFILER_PRINT(context->priv->prof_rfx_rlgr_encode)
137 PROFILER_PRINT(context->priv->prof_rfx_differential_encode)
138 PROFILER_PRINT(context->priv->prof_rfx_quantization_encode)
139 PROFILER_PRINT(context->priv->prof_rfx_dwt_2d_encode)
140 PROFILER_PRINT(context->priv->prof_rfx_rgb_to_ycbcr)
141 PROFILER_PRINT(context->priv->prof_rfx_encode_format_rgb)
142 PROFILER_PRINT_FOOTER
143}
144
145static inline void rfx_tile_init(void* obj)
146{
147 RFX_TILE* tile = (RFX_TILE*)obj;
148 if (tile)
149 {
150 tile->x = 0;
151 tile->y = 0;
152 tile->YLen = 0;
153 tile->YData = nullptr;
154 tile->CbLen = 0;
155 tile->CbData = nullptr;
156 tile->CrLen = 0;
157 tile->CrData = nullptr;
158 }
159}
160
161static inline void* rfx_decoder_tile_new(const void* val)
162{
163 const size_t size = 4ULL * 64ULL * 64ULL;
164 RFX_TILE* tile = nullptr;
165 WINPR_UNUSED(val);
166
167 if (!(tile = (RFX_TILE*)winpr_aligned_calloc(1, sizeof(RFX_TILE), 32)))
168 return nullptr;
169
170 if (!(tile->data = (BYTE*)winpr_aligned_malloc(size, 16)))
171 {
172 winpr_aligned_free(tile);
173 return nullptr;
174 }
175 memset(tile->data, 0xff, size);
176 tile->allocated = TRUE;
177 return tile;
178}
179
180static inline void rfx_decoder_tile_free(void* obj)
181{
182 RFX_TILE* tile = (RFX_TILE*)obj;
183
184 if (tile)
185 {
186 if (tile->allocated)
187 winpr_aligned_free(tile->data);
188
189 winpr_aligned_free(tile);
190 }
191}
192
193static inline void* rfx_encoder_tile_new(const void* val)
194{
195 WINPR_UNUSED(val);
196 return winpr_aligned_calloc(1, sizeof(RFX_TILE), 32);
197}
198
199static inline void rfx_encoder_tile_free(void* obj)
200{
201 winpr_aligned_free(obj);
202}
203
204RFX_CONTEXT* rfx_context_new(BOOL encoder)
205{
206 return rfx_context_new_ex(encoder, 0);
207}
208
209RFX_CONTEXT* rfx_context_new_ex(BOOL encoder, UINT32 ThreadingFlags)
210{
211 RFX_CONTEXT_PRIV* priv = nullptr;
212 RFX_CONTEXT* context = (RFX_CONTEXT*)winpr_aligned_calloc(1, sizeof(RFX_CONTEXT), 32);
213
214 if (!context)
215 return nullptr;
216
217 context->encoder = encoder;
218 context->currentMessage.freeArray = TRUE;
219 context->priv = priv = (RFX_CONTEXT_PRIV*)winpr_aligned_calloc(1, sizeof(RFX_CONTEXT_PRIV), 32);
220
221 if (!priv)
222 goto fail;
223
224 priv->log = WLog_Get("com.freerdp.codec.rfx");
225 priv->TilePool = ObjectPool_New(TRUE);
226
227 if (!priv->TilePool)
228 goto fail;
229
230 {
231 wObject* pool = ObjectPool_Object(priv->TilePool);
232 pool->fnObjectInit = rfx_tile_init;
233
234 if (context->encoder)
235 {
236 pool->fnObjectNew = rfx_encoder_tile_new;
237 pool->fnObjectFree = rfx_encoder_tile_free;
238 }
239 else
240 {
241 pool->fnObjectNew = rfx_decoder_tile_new;
242 pool->fnObjectFree = rfx_decoder_tile_free;
243 }
244 }
245
246 /*
247 * align buffers to 16 byte boundary (needed for SSE/NEON instructions)
248 *
249 * y_r_buffer, cb_g_buffer, cr_b_buffer: 64 * 64 * sizeof(INT16) = 8192 (0x2000)
250 * dwt_buffer: 32 * 32 * 2 * 2 * sizeof(INT16) = 8192, maximum sub-band width is 32
251 *
252 * Additionally we add 32 bytes (16 in front and 16 at the back of the buffer)
253 * in order to allow optimized functions (SEE, NEON) to read from positions
254 * that are actually in front/beyond the buffer. Offset calculations are
255 * performed at the BufferPool_Take function calls in rfx_encode/decode.c.
256 *
257 * We then multiply by 3 to use a single, partionned buffer for all 3 channels.
258 */
259 priv->BufferPool = BufferPool_New(TRUE, (8192ULL + 32ULL) * 3ULL, 16);
260
261 if (!priv->BufferPool)
262 goto fail;
263
264 priv->UseThreads = FALSE;
265 if (!(ThreadingFlags & THREADING_FLAGS_DISABLE_THREADS))
266 priv->UseThreads = TRUE;
267
268 {
269 char* key = freerdp_getApplicatonDetailsRegKey(RFX_KEY);
270 if (key)
271 {
272 HKEY hKey = nullptr;
273 const LONG status =
274 RegOpenKeyExA(HKEY_LOCAL_MACHINE, RFX_KEY, 0, KEY_READ | KEY_WOW64_64KEY, &hKey);
275 free(key);
276
277 if (status == ERROR_SUCCESS)
278 {
279 DWORD dwType = 0;
280 DWORD dwValue = 0;
281 DWORD dwSize = sizeof(dwValue);
282
283 if (RegQueryValueEx(hKey, _T("UseThreads"), nullptr, &dwType, (BYTE*)&dwValue,
284 &dwSize) == ERROR_SUCCESS)
285 priv->UseThreads = dwValue ? 1 : 0;
286
287 RegCloseKey(hKey);
288 }
289 }
290 }
291
292 if (priv->UseThreads)
293 {
294 /* Call primitives_get here in order to avoid race conditions when using primitives_get */
295 /* from multiple threads. This call will initialize all function pointers correctly */
296 /* before any decoding threads are started */
297 if (!primitives_get())
298 goto fail;
299 }
300
301 /* initialize the default pixel format */
302 rfx_context_set_pixel_format(context, PIXEL_FORMAT_BGRX32);
303 /* create profilers for default decoding routines */
304 rfx_profiler_create(context);
305 /* set up default routines */
306 context->quantization_decode = rfx_quantization_decode;
307 context->quantization_encode = rfx_quantization_encode;
308 context->dwt_2d_decode = rfx_dwt_2d_decode;
309 context->dwt_2d_extrapolate_decode = rfx_dwt_2d_extrapolate_decode;
310 context->dwt_2d_encode = rfx_dwt_2d_encode;
311 context->rlgr_decode = rfx_rlgr_decode;
312 context->rlgr_encode = rfx_rlgr_encode;
313 rfx_init_sse2(context);
314 rfx_init_neon(context);
315 context->state = RFX_STATE_SEND_HEADERS;
316 context->expectedDataBlockType = WBT_FRAME_BEGIN;
317 return context;
318fail:
319 WINPR_PRAGMA_DIAG_PUSH
320 WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
321 rfx_context_free(context);
322 WINPR_PRAGMA_DIAG_POP
323 return nullptr;
324}
325
326void rfx_context_free(RFX_CONTEXT* context)
327{
328 RFX_CONTEXT_PRIV* priv = nullptr;
329
330 if (!context)
331 return;
332
333 WINPR_ASSERT(nullptr != context);
334
335 priv = context->priv;
336 WINPR_ASSERT(nullptr != priv);
337 WINPR_ASSERT(nullptr != priv->TilePool);
338 WINPR_ASSERT(nullptr != priv->BufferPool);
339
340 /* coverity[address_free] */
341 rfx_message_clear(context, &context->currentMessage);
342 winpr_aligned_free(context->quants);
343 rfx_profiler_print(context);
344 rfx_profiler_free(context);
345
346 if (priv)
347 {
348 ObjectPool_Free(priv->TilePool);
349 if (priv->UseThreads)
350 {
351 winpr_aligned_free((void*)priv->workObjects);
352 winpr_aligned_free(priv->tileWorkParams);
353#ifdef WITH_PROFILER
354 WLog_VRB(
355 TAG,
356 "WARNING: Profiling results probably unusable with multithreaded RemoteFX codec!");
357#endif
358 }
359
360 BufferPool_Free(priv->BufferPool);
361 winpr_aligned_free(priv);
362 }
363 winpr_aligned_free(context);
364}
365
366static inline RFX_TILE* rfx_message_get_tile(RFX_MESSAGE* WINPR_RESTRICT message, UINT32 index)
367{
368 WINPR_ASSERT(message);
369 WINPR_ASSERT(message->tiles);
370 WINPR_ASSERT(index < message->numTiles);
371 return message->tiles[index];
372}
373
374static inline const RFX_RECT* rfx_message_get_rect_const(const RFX_MESSAGE* WINPR_RESTRICT message,
375 UINT32 index)
376{
377 WINPR_ASSERT(message);
378 WINPR_ASSERT(message->rects);
379 WINPR_ASSERT(index < message->numRects);
380 return &message->rects[index];
381}
382
383static inline RFX_RECT* rfx_message_get_rect(RFX_MESSAGE* WINPR_RESTRICT message, UINT32 index)
384{
385 WINPR_ASSERT(message);
386 WINPR_ASSERT(message->rects);
387 WINPR_ASSERT(index < message->numRects);
388 return &message->rects[index];
389}
390
391void rfx_context_set_pixel_format(RFX_CONTEXT* WINPR_RESTRICT context, UINT32 pixel_format)
392{
393 WINPR_ASSERT(context);
394 context->pixel_format = pixel_format;
395 const UINT32 bpp = FreeRDPGetBitsPerPixel(pixel_format);
396 context->bits_per_pixel = WINPR_ASSERTING_INT_CAST(UINT8, bpp);
397}
398
399UINT32 rfx_context_get_pixel_format(RFX_CONTEXT* WINPR_RESTRICT context)
400{
401 WINPR_ASSERT(context);
402 return context->pixel_format;
403}
404
405void rfx_context_set_palette(RFX_CONTEXT* WINPR_RESTRICT context,
406 const BYTE* WINPR_RESTRICT palette)
407{
408 WINPR_ASSERT(context);
409 context->palette = palette;
410}
411
412const BYTE* rfx_context_get_palette(RFX_CONTEXT* WINPR_RESTRICT context)
413{
414 WINPR_ASSERT(context);
415 return context->palette;
416}
417
418BOOL rfx_context_reset(RFX_CONTEXT* WINPR_RESTRICT context, UINT32 width, UINT32 height)
419{
420 if (!context)
421 return FALSE;
422
423 context->width = WINPR_ASSERTING_INT_CAST(UINT16, width);
424 context->height = WINPR_ASSERTING_INT_CAST(UINT16, height);
425 context->state = RFX_STATE_SEND_HEADERS;
426 context->expectedDataBlockType = WBT_FRAME_BEGIN;
427 context->frameIdx = 0;
428 return TRUE;
429}
430
431static inline BOOL rfx_process_message_sync(RFX_CONTEXT* WINPR_RESTRICT context,
432 wStream* WINPR_RESTRICT s)
433{
434 UINT32 magic = 0;
435
436 WINPR_ASSERT(context);
437 WINPR_ASSERT(context->priv);
438 context->decodedHeaderBlocks &= (uint32_t)~RFX_DECODED_SYNC;
439
440 /* RFX_SYNC */
441 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 6))
442 return FALSE;
443
444 Stream_Read_UINT32(s, magic); /* magic (4 bytes), 0xCACCACCA */
445 if (magic != WF_MAGIC)
446 {
447 WLog_Print(context->priv->log, WLOG_ERROR, "invalid magic number 0x%08" PRIX32 "", magic);
448 return FALSE;
449 }
450
451 Stream_Read_UINT16(s, context->version); /* version (2 bytes), WF_VERSION_1_0 (0x0100) */
452 if (context->version != WF_VERSION_1_0)
453 {
454 WLog_Print(context->priv->log, WLOG_ERROR, "invalid version number 0x%08" PRIX32 "",
455 context->version);
456 return FALSE;
457 }
458
459 WLog_Print(context->priv->log, WLOG_DEBUG, "version 0x%08" PRIX32 "", context->version);
460 context->decodedHeaderBlocks |= RFX_DECODED_SYNC;
461 return TRUE;
462}
463
464static inline BOOL rfx_process_message_codec_versions(RFX_CONTEXT* WINPR_RESTRICT context,
465 wStream* WINPR_RESTRICT s)
466{
467 BYTE numCodecs = 0;
468
469 WINPR_ASSERT(context);
470 WINPR_ASSERT(context->priv);
471 context->decodedHeaderBlocks &= (uint32_t)~RFX_DECODED_VERSIONS;
472
473 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
474 return FALSE;
475
476 Stream_Read_UINT8(s, numCodecs); /* numCodecs (1 byte), must be set to 0x01 */
477 Stream_Read_UINT8(s, context->codec_id); /* codecId (1 byte), must be set to 0x01 */
478 Stream_Read_UINT16(
479 s, context->codec_version); /* version (2 bytes), must be set to WF_VERSION_1_0 (0x0100) */
480
481 if (numCodecs != 1)
482 {
483 WLog_Print(context->priv->log, WLOG_ERROR, "numCodes is 0x%02" PRIX8 " (must be 0x01)",
484 numCodecs);
485 return FALSE;
486 }
487
488 if (context->codec_id != 0x01)
489 {
490 WLog_Print(context->priv->log, WLOG_ERROR, "invalid codec id (0x%02" PRIX32 ")",
491 context->codec_id);
492 return FALSE;
493 }
494
495 if (context->codec_version != WF_VERSION_1_0)
496 {
497 WLog_Print(context->priv->log, WLOG_ERROR, "invalid codec version (0x%08" PRIX32 ")",
498 context->codec_version);
499 return FALSE;
500 }
501
502 WLog_Print(context->priv->log, WLOG_DEBUG, "id %" PRIu32 " version 0x%" PRIX32 ".",
503 context->codec_id, context->codec_version);
504 context->decodedHeaderBlocks |= RFX_DECODED_VERSIONS;
505 return TRUE;
506}
507
508static inline BOOL rfx_process_message_channels(RFX_CONTEXT* WINPR_RESTRICT context,
509 wStream* WINPR_RESTRICT s)
510{
511 BYTE channelId = 0;
512 BYTE numChannels = 0;
513
514 WINPR_ASSERT(context);
515 WINPR_ASSERT(context->priv);
516 context->decodedHeaderBlocks &= (uint32_t)~RFX_DECODED_CHANNELS;
517
518 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 1))
519 return FALSE;
520
521 Stream_Read_UINT8(s, numChannels); /* numChannels (1 byte), must bet set to 0x01 */
522
523 /* In RDVH sessions, numChannels will represent the number of virtual monitors
524 * configured and does not always be set to 0x01 as [MS-RDPRFX] said.
525 */
526 if (numChannels < 1)
527 {
528 WLog_Print(context->priv->log, WLOG_ERROR, "no channels announced");
529 return FALSE;
530 }
531
532 if (!Stream_CheckAndLogRequiredLengthOfSizeWLog(context->priv->log, s, numChannels, 5ull))
533 return FALSE;
534
535 /* RFX_CHANNELT */
536 Stream_Read_UINT8(s, channelId); /* channelId (1 byte), must be set to 0x00 */
537
538 if (channelId != 0x00)
539 {
540 WLog_Print(context->priv->log, WLOG_ERROR, "channelId:0x%02" PRIX8 ", expected:0x00",
541 channelId);
542 return FALSE;
543 }
544
545 Stream_Read_UINT16(s, context->width); /* width (2 bytes) */
546 Stream_Read_UINT16(s, context->height); /* height (2 bytes) */
547
548 if (!context->width || !context->height)
549 {
550 WLog_Print(context->priv->log, WLOG_ERROR,
551 "invalid channel with/height: %" PRIu16 "x%" PRIu16 "", context->width,
552 context->height);
553 return FALSE;
554 }
555
556 /* Now, only the first monitor can be used, therefore the other channels will be ignored. */
557 Stream_Seek(s, 5ULL * (numChannels - 1));
558 WLog_Print(context->priv->log, WLOG_DEBUG,
559 "numChannels %" PRIu8 " id %" PRIu8 ", %" PRIu16 "x%" PRIu16 ".", numChannels,
560 channelId, context->width, context->height);
561 context->decodedHeaderBlocks |= RFX_DECODED_CHANNELS;
562 return TRUE;
563}
564
565static inline BOOL rfx_process_message_context(RFX_CONTEXT* WINPR_RESTRICT context,
566 wStream* WINPR_RESTRICT s)
567{
568 BYTE ctxId = 0;
569 UINT16 tileSize = 0;
570 UINT16 properties = 0;
571
572 WINPR_ASSERT(context);
573 WINPR_ASSERT(context->priv);
574 context->decodedHeaderBlocks &= (uint32_t)~RFX_DECODED_CONTEXT;
575
576 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 5))
577 return FALSE;
578
579 Stream_Read_UINT8(s, ctxId); /* ctxId (1 byte), must be set to 0x00 */
580 Stream_Read_UINT16(s, tileSize); /* tileSize (2 bytes), must be set to CT_TILE_64x64 (0x0040) */
581 Stream_Read_UINT16(s, properties); /* properties (2 bytes) */
582 WLog_Print(context->priv->log, WLOG_DEBUG,
583 "ctxId %" PRIu8 " tileSize %" PRIu16 " properties 0x%04" PRIX16 ".", ctxId, tileSize,
584 properties);
585 context->properties = properties;
586 context->flags = (properties & 0x0007);
587
588 if (context->flags == CODEC_MODE)
589 {
590 WLog_Print(context->priv->log, WLOG_DEBUG, "codec is in image mode.");
591 }
592 else
593 {
594 WLog_Print(context->priv->log, WLOG_DEBUG, "codec is in video mode.");
595 }
596
597 switch ((properties & 0x1E00) >> 9)
598 {
599 case CLW_ENTROPY_RLGR1:
600 context->mode = RLGR1;
601 WLog_Print(context->priv->log, WLOG_DEBUG, "RLGR1.");
602 break;
603
604 case CLW_ENTROPY_RLGR3:
605 context->mode = RLGR3;
606 WLog_Print(context->priv->log, WLOG_DEBUG, "RLGR3.");
607 break;
608
609 default:
610 WLog_Print(context->priv->log, WLOG_ERROR, "unknown RLGR algorithm.");
611 return FALSE;
612 }
613
614 context->decodedHeaderBlocks |= RFX_DECODED_CONTEXT;
615 return TRUE;
616}
617
618static inline BOOL rfx_process_message_frame_begin(
619 RFX_CONTEXT* WINPR_RESTRICT context, WINPR_ATTR_UNUSED RFX_MESSAGE* WINPR_RESTRICT message,
620 wStream* WINPR_RESTRICT s, UINT16* WINPR_RESTRICT pExpectedBlockType)
621{
622 UINT32 frameIdx = 0;
623 UINT16 numRegions = 0;
624
625 WINPR_ASSERT(context);
626 WINPR_ASSERT(context->priv);
627 WINPR_ASSERT(message);
628 WINPR_ASSERT(pExpectedBlockType);
629
630 if (*pExpectedBlockType != WBT_FRAME_BEGIN)
631 {
632 WLog_Print(context->priv->log, WLOG_ERROR, "message unexpected wants WBT_FRAME_BEGIN");
633 return FALSE;
634 }
635
636 *pExpectedBlockType = WBT_REGION;
637
638 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 6))
639 return FALSE;
640
641 Stream_Read_UINT32(
642 s, frameIdx); /* frameIdx (4 bytes), if codec is in video mode, must be ignored */
643 Stream_Read_UINT16(s, numRegions); /* numRegions (2 bytes) */
644 WLog_Print(context->priv->log, WLOG_DEBUG,
645 "RFX_FRAME_BEGIN: frameIdx: %" PRIu32 " numRegions: %" PRIu16 "", frameIdx,
646 numRegions);
647 return TRUE;
648}
649
650static inline BOOL rfx_process_message_frame_end(
651 RFX_CONTEXT* WINPR_RESTRICT context, WINPR_ATTR_UNUSED RFX_MESSAGE* WINPR_RESTRICT message,
652 WINPR_ATTR_UNUSED wStream* WINPR_RESTRICT s, UINT16* WINPR_RESTRICT pExpectedBlockType)
653{
654 WINPR_ASSERT(context);
655 WINPR_ASSERT(context->priv);
656 WINPR_ASSERT(message);
657 WINPR_ASSERT(s);
658 WINPR_ASSERT(pExpectedBlockType);
659
660 if (*pExpectedBlockType != WBT_FRAME_END)
661 {
662 WLog_Print(context->priv->log, WLOG_ERROR, "message unexpected, wants WBT_FRAME_END");
663 return FALSE;
664 }
665
666 *pExpectedBlockType = WBT_FRAME_BEGIN;
667 WLog_Print(context->priv->log, WLOG_DEBUG, "RFX_FRAME_END");
668 return TRUE;
669}
670
671static inline BOOL rfx_resize_rects(RFX_MESSAGE* WINPR_RESTRICT message)
672{
673 WINPR_ASSERT(message);
674
675 RFX_RECT* tmpRects =
676 winpr_aligned_recalloc(message->rects, message->numRects, sizeof(RFX_RECT), 32);
677 if (!tmpRects)
678 return FALSE;
679 message->rects = tmpRects;
680 return TRUE;
681}
682
683static inline BOOL rfx_process_message_region(RFX_CONTEXT* WINPR_RESTRICT context,
684 RFX_MESSAGE* WINPR_RESTRICT message,
685 wStream* WINPR_RESTRICT s,
686 UINT16* WINPR_RESTRICT pExpectedBlockType)
687{
688 UINT16 regionType = 0;
689 UINT16 numTileSets = 0;
690
691 WINPR_ASSERT(context);
692 WINPR_ASSERT(context->priv);
693 WINPR_ASSERT(message);
694 WINPR_ASSERT(pExpectedBlockType);
695
696 if (*pExpectedBlockType != WBT_REGION)
697 {
698 WLog_Print(context->priv->log, WLOG_ERROR, "message unexpected wants WBT_REGION");
699 return FALSE;
700 }
701
702 *pExpectedBlockType = WBT_EXTENSION;
703
704 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 3))
705 return FALSE;
706
707 Stream_Seek_UINT8(s); /* regionFlags (1 byte) */
708 Stream_Read_UINT16(s, message->numRects); /* numRects (2 bytes) */
709
710 if (message->numRects < 1)
711 {
712 /*
713 If numRects is zero the decoder must generate a rectangle with
714 coordinates (0, 0, width, height).
715 See [MS-RDPRFX] (revision >= 17.0) 2.2.2.3.3 TS_RFX_REGION
716 https://msdn.microsoft.com/en-us/library/ff635233.aspx
717 */
718 message->numRects = 1;
719 if (!rfx_resize_rects(message))
720 return FALSE;
721
722 message->rects->x = 0;
723 message->rects->y = 0;
724 message->rects->width = context->width;
725 message->rects->height = context->height;
726 return TRUE;
727 }
728
729 if (!Stream_CheckAndLogRequiredLengthOfSizeWLog(context->priv->log, s, message->numRects, 8ull))
730 return FALSE;
731
732 if (!rfx_resize_rects(message))
733 return FALSE;
734
735 /* rects */
736 for (UINT16 i = 0; i < message->numRects; i++)
737 {
738 RFX_RECT* rect = rfx_message_get_rect(message, i);
739 /* RFX_RECT */
740 Stream_Read_UINT16(s, rect->x); /* x (2 bytes) */
741 Stream_Read_UINT16(s, rect->y); /* y (2 bytes) */
742 Stream_Read_UINT16(s, rect->width); /* width (2 bytes) */
743 Stream_Read_UINT16(s, rect->height); /* height (2 bytes) */
744 WLog_Print(context->priv->log, WLOG_DEBUG,
745 "rect %" PRIu16 " (x,y=%" PRIu16 ",%" PRIu16 " w,h=%" PRIu16 " %" PRIu16 ").", i,
746 rect->x, rect->y, rect->width, rect->height);
747 }
748
749 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 4))
750 return FALSE;
751
752 Stream_Read_UINT16(s, regionType); /*regionType (2 bytes): MUST be set to CBT_REGION (0xCAC1)*/
753 Stream_Read_UINT16(s, numTileSets); /*numTilesets (2 bytes): MUST be set to 0x0001.*/
754
755 if (regionType != CBT_REGION)
756 {
757 WLog_Print(context->priv->log, WLOG_ERROR, "invalid region type 0x%04" PRIX16 "",
758 regionType);
759 return TRUE;
760 }
761
762 if (numTileSets != 0x0001)
763 {
764 WLog_Print(context->priv->log, WLOG_ERROR, "invalid number of tilesets (%" PRIu16 ")",
765 numTileSets);
766 return FALSE;
767 }
768
769 return TRUE;
770}
771
772typedef struct
773{
774 RFX_TILE* tile;
775 RFX_CONTEXT* context;
776} RFX_TILE_PROCESS_WORK_PARAM;
777
778static inline void CALLBACK
779rfx_process_message_tile_work_callback(WINPR_ATTR_UNUSED PTP_CALLBACK_INSTANCE instance,
780 void* context, WINPR_ATTR_UNUSED PTP_WORK work)
781{
782 RFX_TILE_PROCESS_WORK_PARAM* param = (RFX_TILE_PROCESS_WORK_PARAM*)context;
783 WINPR_ASSERT(param);
784 WINPR_ASSERT(param->context);
785 WINPR_ASSERT(param->context->priv);
786
787 if (!rfx_decode_rgb(param->context, param->tile, param->tile->data, 64 * 4))
788 WLog_Print(param->context->priv->log, WLOG_ERROR, "rfx_decode_rgb failed");
789}
790
791static inline BOOL rfx_allocate_tiles(RFX_MESSAGE* WINPR_RESTRICT message, size_t count,
792 BOOL allocOnly)
793{
794 WINPR_ASSERT(message);
795
796 RFX_TILE** tmpTiles =
797 (RFX_TILE**)winpr_aligned_recalloc((void*)message->tiles, count, sizeof(RFX_TILE*), 32);
798 if (!tmpTiles && (count != 0))
799 return FALSE;
800
801 message->tiles = tmpTiles;
802 if (!allocOnly)
803 message->numTiles = WINPR_ASSERTING_INT_CAST(UINT16, count);
804 else
805 {
806 WINPR_ASSERT(message->numTiles <= count);
807 }
808 message->allocatedTiles = count;
809
810 return TRUE;
811}
812
813static inline BOOL rfx_process_message_tileset(RFX_CONTEXT* WINPR_RESTRICT context,
814 RFX_MESSAGE* WINPR_RESTRICT message,
815 wStream* WINPR_RESTRICT s,
816 UINT16* WINPR_RESTRICT pExpectedBlockType)
817{
818 BOOL rc = 0;
819 size_t close_cnt = 0;
820 BYTE quant = 0;
821 RFX_TILE* tile = nullptr;
822 UINT32* quants = nullptr;
823 UINT16 subtype = 0;
824 UINT16 numTiles = 0;
825 UINT32 blockLen = 0;
826 UINT32 blockType = 0;
827 UINT32 tilesDataSize = 0;
828 PTP_WORK* work_objects = nullptr;
829 RFX_TILE_PROCESS_WORK_PARAM* params = nullptr;
830 void* pmem = nullptr;
831
832 WINPR_ASSERT(context);
833 WINPR_ASSERT(context->priv);
834 WINPR_ASSERT(message);
835 WINPR_ASSERT(pExpectedBlockType);
836
837 if (*pExpectedBlockType != WBT_EXTENSION)
838 {
839 WLog_Print(context->priv->log, WLOG_ERROR, "message unexpected wants a tileset");
840 return FALSE;
841 }
842
843 *pExpectedBlockType = WBT_FRAME_END;
844
845 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 14))
846 return FALSE;
847
848 Stream_Read_UINT16(s, subtype); /* subtype (2 bytes) must be set to CBT_TILESET (0xCAC2) */
849 if (subtype != CBT_TILESET)
850 {
851 WLog_Print(context->priv->log, WLOG_ERROR, "invalid subtype, expected CBT_TILESET.");
852 return FALSE;
853 }
854
855 Stream_Seek_UINT16(s); /* idx (2 bytes), must be set to 0x0000 */
856 Stream_Seek_UINT16(s); /* properties (2 bytes) */
857 Stream_Read_UINT8(s, context->numQuant); /* numQuant (1 byte) */
858 Stream_Seek_UINT8(s); /* tileSize (1 byte), must be set to 0x40 */
859
860 if (context->numQuant < 1)
861 {
862 WLog_Print(context->priv->log, WLOG_ERROR, "no quantization value.");
863 return FALSE;
864 }
865
866 Stream_Read_UINT16(s, numTiles); /* numTiles (2 bytes) */
867 if (numTiles < 1)
868 {
869 /* Windows Server 2012 (not R2) can send empty tile sets */
870 return TRUE;
871 }
872
873 Stream_Read_UINT32(s, tilesDataSize); /* tilesDataSize (4 bytes) */
874
875 if (!(pmem = winpr_aligned_recalloc(context->quants, context->numQuant,
876 NR_QUANT_VALUES * sizeof(UINT32), 32)))
877 return FALSE;
878
879 quants = context->quants = (UINT32*)pmem;
880
881 /* quantVals */
882 if (!Stream_CheckAndLogRequiredLengthOfSizeWLog(context->priv->log, s, context->numQuant, 5ull))
883 return FALSE;
884
885 for (size_t i = 0; i < context->numQuant; i++)
886 {
887 /* RFX_CODEC_QUANT */
888 Stream_Read_UINT8(s, quant);
889 *quants++ = (quant & 0x0F);
890 *quants++ = (quant >> 4);
891 Stream_Read_UINT8(s, quant);
892 *quants++ = (quant & 0x0F);
893 *quants++ = (quant >> 4);
894 Stream_Read_UINT8(s, quant);
895 *quants++ = (quant & 0x0F);
896 *quants++ = (quant >> 4);
897 Stream_Read_UINT8(s, quant);
898 *quants++ = (quant & 0x0F);
899 *quants++ = (quant >> 4);
900 Stream_Read_UINT8(s, quant);
901 *quants++ = (quant & 0x0F);
902 *quants++ = (quant >> 4);
903 WLog_Print(
904 context->priv->log, WLOG_DEBUG,
905 "quant %" PRIuz " (%" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32
906 " %" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32 ").",
907 i, context->quants[i * NR_QUANT_VALUES], context->quants[i * NR_QUANT_VALUES + 1],
908 context->quants[i * NR_QUANT_VALUES + 2], context->quants[i * NR_QUANT_VALUES + 3],
909 context->quants[i * NR_QUANT_VALUES + 4], context->quants[i * NR_QUANT_VALUES + 5],
910 context->quants[i * NR_QUANT_VALUES + 6], context->quants[i * NR_QUANT_VALUES + 7],
911 context->quants[i * NR_QUANT_VALUES + 8], context->quants[i * NR_QUANT_VALUES + 9]);
912 }
913
914 for (size_t i = 0; i < message->numTiles; i++)
915 {
916 ObjectPool_Return(context->priv->TilePool, message->tiles[i]);
917 message->tiles[i] = nullptr;
918 }
919
920 if (!rfx_allocate_tiles(message, numTiles, FALSE))
921 return FALSE;
922
923 if (context->priv->UseThreads)
924 {
925 work_objects = (PTP_WORK*)winpr_aligned_calloc(message->numTiles, sizeof(PTP_WORK), 32);
926 params = (RFX_TILE_PROCESS_WORK_PARAM*)winpr_aligned_recalloc(
927 nullptr, message->numTiles, sizeof(RFX_TILE_PROCESS_WORK_PARAM), 32);
928
929 if (!work_objects)
930 {
931 winpr_aligned_free(params);
932 return FALSE;
933 }
934
935 if (!params)
936 {
937 winpr_aligned_free((void*)work_objects);
938 return FALSE;
939 }
940 }
941
942 /* tiles */
943 close_cnt = 0;
944 rc = FALSE;
945
946 if (Stream_GetRemainingLength(s) >= tilesDataSize)
947 {
948 rc = TRUE;
949 for (size_t i = 0; i < message->numTiles; i++)
950 {
951 wStream subBuffer;
952 wStream* sub = nullptr;
953
954 if (!(tile = (RFX_TILE*)ObjectPool_Take(context->priv->TilePool)))
955 {
956 WLog_Print(context->priv->log, WLOG_ERROR,
957 "RfxMessageTileSet failed to get tile from object pool");
958 rc = FALSE;
959 break;
960 }
961
962 message->tiles[i] = tile;
963
964 /* RFX_TILE */
965 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 6))
966 {
967 WLog_Print(context->priv->log, WLOG_ERROR,
968 "RfxMessageTileSet packet too small to read tile %" PRIuz "/%" PRIu16 "",
969 i, message->numTiles);
970 rc = FALSE;
971 break;
972 }
973
974 sub = Stream_StaticInit(&subBuffer, Stream_Pointer(s), Stream_GetRemainingLength(s));
975 Stream_Read_UINT16(
976 sub, blockType); /* blockType (2 bytes), must be set to CBT_TILE (0xCAC3) */
977 Stream_Read_UINT32(sub, blockLen); /* blockLen (4 bytes) */
978
979 if (!Stream_SafeSeek(s, blockLen))
980 {
981 rc = FALSE;
982 break;
983 }
984 if ((blockLen < 6 + 13) ||
985 (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, sub, blockLen - 6)))
986 {
987 WLog_Print(context->priv->log, WLOG_ERROR,
988 "RfxMessageTileSet not enough bytes to read tile %" PRIuz "/%" PRIu16
989 " with blocklen=%" PRIu32 "",
990 i, message->numTiles, blockLen);
991 rc = FALSE;
992 break;
993 }
994
995 if (blockType != CBT_TILE)
996 {
997 WLog_Print(context->priv->log, WLOG_ERROR,
998 "unknown block type 0x%" PRIX32 ", expected CBT_TILE (0xCAC3).",
999 blockType);
1000 rc = FALSE;
1001 break;
1002 }
1003
1004 Stream_Read_UINT8(sub, tile->quantIdxY); /* quantIdxY (1 byte) */
1005 Stream_Read_UINT8(sub, tile->quantIdxCb); /* quantIdxCb (1 byte) */
1006 Stream_Read_UINT8(sub, tile->quantIdxCr); /* quantIdxCr (1 byte) */
1007 if (tile->quantIdxY >= context->numQuant)
1008 {
1009 WLog_Print(context->priv->log, WLOG_ERROR,
1010 "quantIdxY %" PRIu8 " >= numQuant %" PRIu8, tile->quantIdxY,
1011 context->numQuant);
1012 rc = FALSE;
1013 break;
1014 }
1015 if (tile->quantIdxCb >= context->numQuant)
1016 {
1017 WLog_Print(context->priv->log, WLOG_ERROR,
1018 "quantIdxCb %" PRIu8 " >= numQuant %" PRIu8, tile->quantIdxCb,
1019 context->numQuant);
1020 rc = FALSE;
1021 break;
1022 }
1023 if (tile->quantIdxCr >= context->numQuant)
1024 {
1025 WLog_Print(context->priv->log, WLOG_ERROR,
1026 "quantIdxCr %" PRIu8 " >= numQuant %" PRIu8, tile->quantIdxCr,
1027 context->numQuant);
1028 rc = FALSE;
1029 break;
1030 }
1031
1032 Stream_Read_UINT16(sub, tile->xIdx); /* xIdx (2 bytes) */
1033 Stream_Read_UINT16(sub, tile->yIdx); /* yIdx (2 bytes) */
1034 Stream_Read_UINT16(sub, tile->YLen); /* YLen (2 bytes) */
1035 Stream_Read_UINT16(sub, tile->CbLen); /* CbLen (2 bytes) */
1036 Stream_Read_UINT16(sub, tile->CrLen); /* CrLen (2 bytes) */
1037 tile->YData = Stream_PointerAs(sub, BYTE);
1038 if (!Stream_SafeSeek(sub, tile->YLen))
1039 {
1040 rc = FALSE;
1041 break;
1042 }
1043 tile->CbData = Stream_PointerAs(sub, BYTE);
1044 if (!Stream_SafeSeek(sub, tile->CbLen))
1045 {
1046 rc = FALSE;
1047 break;
1048 }
1049 tile->CrData = Stream_PointerAs(sub, BYTE);
1050 if (!Stream_SafeSeek(sub, tile->CrLen))
1051 {
1052 rc = FALSE;
1053 break;
1054 }
1055 tile->x = tile->xIdx * 64;
1056 tile->y = tile->yIdx * 64;
1057
1058 if (context->priv->UseThreads)
1059 {
1060 if (!params)
1061 {
1062 rc = FALSE;
1063 break;
1064 }
1065
1066 params[i].context = context;
1067 params[i].tile = message->tiles[i];
1068
1069 if (!(work_objects[i] = CreateThreadpoolWork(rfx_process_message_tile_work_callback,
1070 (void*)&params[i], nullptr)))
1071 {
1072 WLog_Print(context->priv->log, WLOG_ERROR, "CreateThreadpoolWork failed.");
1073 rc = FALSE;
1074 break;
1075 }
1076
1077 SubmitThreadpoolWork(work_objects[i]);
1078 close_cnt = i + 1;
1079 }
1080 else
1081 {
1082 if (!rfx_decode_rgb(context, tile, tile->data, 64 * 4))
1083 {
1084 rc = FALSE;
1085 break;
1086 }
1087 }
1088 }
1089 }
1090
1091 if (context->priv->UseThreads)
1092 {
1093 for (size_t i = 0; i < close_cnt; i++)
1094 {
1095 WaitForThreadpoolWorkCallbacks(work_objects[i], FALSE);
1096 CloseThreadpoolWork(work_objects[i]);
1097 }
1098 }
1099
1100 winpr_aligned_free((void*)work_objects);
1101 winpr_aligned_free(params);
1102
1103 for (size_t i = 0; i < message->numTiles; i++)
1104 {
1105 if (!(tile = message->tiles[i]))
1106 continue;
1107
1108 tile->YLen = tile->CbLen = tile->CrLen = 0;
1109 tile->YData = tile->CbData = tile->CrData = nullptr;
1110 }
1111
1112 return rc;
1113}
1114
1115BOOL rfx_process_message(RFX_CONTEXT* WINPR_RESTRICT context, const BYTE* WINPR_RESTRICT data,
1116 UINT32 length, UINT32 left, UINT32 top, BYTE* WINPR_RESTRICT dst,
1117 UINT32 dstFormat, UINT32 dstStride, UINT32 dstHeight,
1118 REGION16* WINPR_RESTRICT invalidRegion)
1119{
1120 REGION16 updateRegion = WINPR_C_ARRAY_INIT;
1121 wStream inStream = WINPR_C_ARRAY_INIT;
1122 BOOL ok = TRUE;
1123
1124 if (!context || !data || !length)
1125 return FALSE;
1126
1127 WINPR_ASSERT(context->priv);
1128 RFX_MESSAGE* message = &context->currentMessage;
1129
1130 wStream* s = Stream_StaticConstInit(&inStream, data, length);
1131
1132 while (ok && Stream_GetRemainingLength(s) > 6)
1133 {
1134 wStream subStreamBuffer = WINPR_C_ARRAY_INIT;
1135 size_t extraBlockLen = 0;
1136 UINT32 blockLen = 0;
1137 UINT32 blockType = 0;
1138
1139 /* RFX_BLOCKT */
1140 Stream_Read_UINT16(s, blockType); /* blockType (2 bytes) */
1141 Stream_Read_UINT32(s, blockLen); /* blockLen (4 bytes) */
1142 WLog_Print(context->priv->log, WLOG_DEBUG, "blockType 0x%" PRIX32 " blockLen %" PRIu32 "",
1143 blockType, blockLen);
1144
1145 if (blockLen < 6)
1146 {
1147 WLog_Print(context->priv->log, WLOG_ERROR, "blockLen too small(%" PRIu32 ")", blockLen);
1148 return FALSE;
1149 }
1150
1151 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, blockLen - 6))
1152 return FALSE;
1153
1154 if (blockType > WBT_CONTEXT && context->decodedHeaderBlocks != RFX_DECODED_HEADERS)
1155 {
1156 WLog_Print(context->priv->log, WLOG_ERROR, "incomplete header blocks processing");
1157 return FALSE;
1158 }
1159
1160 if (blockType >= WBT_CONTEXT && blockType <= WBT_EXTENSION)
1161 {
1162 /* RFX_CODEC_CHANNELT */
1163 UINT8 codecId = 0;
1164 UINT8 channelId = 0;
1165
1166 if (!Stream_CheckAndLogRequiredLengthWLog(context->priv->log, s, 2))
1167 return FALSE;
1168
1169 extraBlockLen = 2;
1170 Stream_Read_UINT8(s, codecId); /* codecId (1 byte) must be set to 0x01 */
1171 Stream_Read_UINT8(s, channelId); /* channelId (1 byte) 0xFF or 0x00, see below */
1172
1173 if (codecId != 0x01)
1174 {
1175 WLog_Print(context->priv->log, WLOG_ERROR, "invalid codecId 0x%02" PRIX8 "",
1176 codecId);
1177 return FALSE;
1178 }
1179
1180 if (blockType == WBT_CONTEXT)
1181 {
1182 /* If the blockType is set to WBT_CONTEXT, then channelId MUST be set to 0xFF.*/
1183 if (channelId != 0xFF)
1184 {
1185 WLog_Print(context->priv->log, WLOG_ERROR,
1186 "invalid channelId 0x%02" PRIX8 " for blockType 0x%08" PRIX32 "",
1187 channelId, blockType);
1188 return FALSE;
1189 }
1190 }
1191 else
1192 {
1193 /* For all other values of blockType, channelId MUST be set to 0x00. */
1194 if (channelId != 0x00)
1195 {
1196 WLog_Print(context->priv->log, WLOG_ERROR,
1197 "invalid channelId 0x%02" PRIX8 " for blockType WBT_CONTEXT",
1198 channelId);
1199 return FALSE;
1200 }
1201 }
1202 }
1203
1204 const size_t blockLenNoHeader = blockLen - 6;
1205 if (blockLenNoHeader < extraBlockLen)
1206 {
1207 WLog_Print(context->priv->log, WLOG_ERROR,
1208 "blockLen too small(%" PRIu32 "), must be >= 6 + %" PRIuz, blockLen,
1209 extraBlockLen);
1210 return FALSE;
1211 }
1212
1213 const size_t subStreamLen = blockLenNoHeader - extraBlockLen;
1214 wStream* subStream = Stream_StaticInit(&subStreamBuffer, Stream_Pointer(s), subStreamLen);
1215 Stream_Seek(s, subStreamLen);
1216
1217 switch (blockType)
1218 {
1219 /* Header messages:
1220 * The stream MUST start with the header messages and any of these headers can appear
1221 * in the stream at a later stage. The header messages can be repeated.
1222 */
1223 case WBT_SYNC:
1224 ok = rfx_process_message_sync(context, subStream);
1225 break;
1226
1227 case WBT_CONTEXT:
1228 ok = rfx_process_message_context(context, subStream);
1229 break;
1230
1231 case WBT_CODEC_VERSIONS:
1232 ok = rfx_process_message_codec_versions(context, subStream);
1233 break;
1234
1235 case WBT_CHANNELS:
1236 ok = rfx_process_message_channels(context, subStream);
1237 break;
1238
1239 /* Data messages:
1240 * The data associated with each encoded frame or image is always bracketed by the
1241 * TS_RFX_FRAME_BEGIN (section 2.2.2.3.1) and TS_RFX_FRAME_END (section 2.2.2.3.2)
1242 * messages. There MUST only be one TS_RFX_REGION (section 2.2.2.3.3) message per
1243 * frame and one TS_RFX_TILESET (section 2.2.2.3.4) message per TS_RFX_REGION.
1244 */
1245
1246 case WBT_FRAME_BEGIN:
1247 ok = rfx_process_message_frame_begin(context, message, subStream,
1248 &context->expectedDataBlockType);
1249 break;
1250
1251 case WBT_REGION:
1252 ok = rfx_process_message_region(context, message, subStream,
1253 &context->expectedDataBlockType);
1254 break;
1255
1256 case WBT_EXTENSION:
1257 ok = rfx_process_message_tileset(context, message, subStream,
1258 &context->expectedDataBlockType);
1259 break;
1260
1261 case WBT_FRAME_END:
1262 ok = rfx_process_message_frame_end(context, message, subStream,
1263 &context->expectedDataBlockType);
1264 break;
1265
1266 default:
1267 WLog_Print(context->priv->log, WLOG_ERROR, "unknown blockType 0x%" PRIX32 "",
1268 blockType);
1269 return FALSE;
1270 }
1271 }
1272
1273 if (ok)
1274 {
1275 UINT32 nbUpdateRects = 0;
1276 REGION16 clippingRects = WINPR_C_ARRAY_INIT;
1277 const RECTANGLE_16* updateRects = nullptr;
1278 const DWORD formatSize = FreeRDPGetBytesPerPixel(context->pixel_format);
1279 const UINT32 dstWidth = dstStride / FreeRDPGetBytesPerPixel(dstFormat);
1280 region16_init(&clippingRects);
1281
1282 WINPR_ASSERT(dstWidth <= UINT16_MAX);
1283 WINPR_ASSERT(dstHeight <= UINT16_MAX);
1284 for (UINT32 i = 0; i < message->numRects; i++)
1285 {
1286 RECTANGLE_16 clippingRect = WINPR_C_ARRAY_INIT;
1287 const RFX_RECT* rect = &(message->rects[i]);
1288
1289 WINPR_ASSERT(left + rect->x <= UINT16_MAX);
1290 WINPR_ASSERT(top + rect->y <= UINT16_MAX);
1291 WINPR_ASSERT(clippingRect.left + rect->width <= UINT16_MAX);
1292 WINPR_ASSERT(clippingRect.top + rect->height <= UINT16_MAX);
1293
1294 clippingRect.left = WINPR_ASSERTING_INT_CAST(UINT16, MIN(left + rect->x, dstWidth));
1295 clippingRect.top = WINPR_ASSERTING_INT_CAST(UINT16, MIN(top + rect->y, dstHeight));
1296
1297 const UINT32 rw = 1UL * clippingRect.left + rect->width;
1298 const UINT32 rh = 1UL * clippingRect.top + rect->height;
1299 const uint16_t right = WINPR_ASSERTING_INT_CAST(UINT16, MIN(rw, dstWidth));
1300 const uint16_t bottom = WINPR_ASSERTING_INT_CAST(UINT16, MIN(rh, dstHeight));
1301 clippingRect.right = right;
1302 clippingRect.bottom = bottom;
1303 if (!region16_union_rect(&clippingRects, &clippingRects, &clippingRect))
1304 {
1305 region16_uninit(&updateRegion);
1306 region16_uninit(&clippingRects);
1307 return FALSE;
1308 }
1309 }
1310
1311 for (UINT32 i = 0; i < message->numTiles; i++)
1312 {
1313 RECTANGLE_16 updateRect = WINPR_C_ARRAY_INIT;
1314 const RFX_TILE* tile = rfx_message_get_tile(message, i);
1315
1316 WINPR_ASSERT(left + tile->x <= UINT16_MAX);
1317 WINPR_ASSERT(top + tile->y <= UINT16_MAX);
1318
1319 updateRect.left = (UINT16)left + tile->x;
1320 updateRect.top = (UINT16)top + tile->y;
1321 updateRect.right = updateRect.left + 64;
1322 updateRect.bottom = updateRect.top + 64;
1323 region16_init(&updateRegion);
1324 if (!region16_intersect_rect(&updateRegion, &clippingRects, &updateRect))
1325 {
1326 region16_uninit(&updateRegion);
1327 region16_uninit(&clippingRects);
1328 return FALSE;
1329 }
1330 updateRects = region16_rects(&updateRegion, &nbUpdateRects);
1331
1332 for (UINT32 j = 0; j < nbUpdateRects; j++)
1333 {
1334 const RECTANGLE_16* cur = &updateRects[j];
1335 const UINT32 stride = 64 * formatSize;
1336 const UINT32 nXDst = cur->left;
1337 const UINT32 nYDst = cur->top;
1338 const UINT32 nXSrc = nXDst - updateRect.left;
1339 const UINT32 nYSrc = nYDst - updateRect.top;
1340 const UINT32 nWidth = cur->right - cur->left;
1341 const UINT32 nHeight = cur->bottom - cur->top;
1342
1343 if (!freerdp_image_copy_no_overlap(
1344 dst, dstFormat, dstStride, nXDst, nYDst, nWidth, nHeight, tile->data,
1345 context->pixel_format, stride, nXSrc, nYSrc, nullptr, FREERDP_FLIP_NONE))
1346 {
1347 region16_uninit(&updateRegion);
1348 region16_uninit(&clippingRects);
1349 WLog_Print(context->priv->log, WLOG_ERROR,
1350 "nbUpdateRectx[%" PRIu32 " (%" PRIu32 ")] freerdp_image_copy failed",
1351 j, nbUpdateRects);
1352 return FALSE;
1353 }
1354
1355 if (invalidRegion)
1356 {
1357 if (!region16_union_rect(invalidRegion, invalidRegion, cur))
1358 {
1359 region16_uninit(&updateRegion);
1360 region16_uninit(&clippingRects);
1361 return FALSE;
1362 }
1363 }
1364 }
1365
1366 region16_uninit(&updateRegion);
1367 }
1368
1369 region16_uninit(&clippingRects);
1370 return TRUE;
1371 }
1372 else
1373 {
1374 rfx_message_clear(context, message);
1375 context->currentMessage.freeArray = TRUE;
1376 }
1377
1378 WLog_Print(context->priv->log, WLOG_ERROR, "failed");
1379 return FALSE;
1380}
1381
1382const UINT32* rfx_message_get_quants(const RFX_MESSAGE* WINPR_RESTRICT message,
1383 UINT16* WINPR_RESTRICT numQuantVals)
1384{
1385 WINPR_ASSERT(message);
1386 if (numQuantVals)
1387 *numQuantVals = message->numQuant;
1388 return message->quantVals;
1389}
1390
1391const RFX_TILE** rfx_message_get_tiles(const RFX_MESSAGE* WINPR_RESTRICT message,
1392 UINT16* WINPR_RESTRICT numTiles)
1393{
1394 WINPR_ASSERT(message);
1395 if (numTiles)
1396 *numTiles = message->numTiles;
1397
1398 union
1399 {
1400 RFX_TILE** pp;
1401 const RFX_TILE** ppc;
1402 } cnv;
1403 cnv.pp = message->tiles;
1404 return cnv.ppc;
1405}
1406
1407UINT16 rfx_message_get_tile_count(const RFX_MESSAGE* WINPR_RESTRICT message)
1408{
1409 WINPR_ASSERT(message);
1410 return message->numTiles;
1411}
1412
1413const RFX_RECT* rfx_message_get_rects(const RFX_MESSAGE* WINPR_RESTRICT message,
1414 UINT16* WINPR_RESTRICT numRects)
1415{
1416 WINPR_ASSERT(message);
1417 if (numRects)
1418 *numRects = message->numRects;
1419 return message->rects;
1420}
1421
1422UINT16 rfx_message_get_rect_count(const RFX_MESSAGE* WINPR_RESTRICT message)
1423{
1424 WINPR_ASSERT(message);
1425 return message->numRects;
1426}
1427
1428static BOOL rfx_message_clear(RFX_CONTEXT* WINPR_RESTRICT context,
1429 RFX_MESSAGE* WINPR_RESTRICT message)
1430{
1431 if (!message)
1432 return FALSE;
1433
1434 winpr_aligned_free(message->rects);
1435
1436 if (message->tiles)
1437 {
1438 for (size_t i = 0; i < message->numTiles; i++)
1439 {
1440 RFX_TILE* tile = message->tiles[i];
1441 if (!tile)
1442 continue;
1443
1444 if (tile->YCbCrData)
1445 {
1446 BufferPool_Return(context->priv->BufferPool, tile->YCbCrData);
1447 tile->YCbCrData = nullptr;
1448 }
1449
1450 ObjectPool_Return(context->priv->TilePool, (void*)tile);
1451 }
1452
1453 rfx_allocate_tiles(message, 0, FALSE);
1454 }
1455
1456 const BOOL freeArray = message->freeArray;
1457 const RFX_MESSAGE empty = WINPR_C_ARRAY_INIT;
1458 *message = empty;
1459 return freeArray;
1460}
1461
1462void rfx_message_free(RFX_CONTEXT* WINPR_RESTRICT context, RFX_MESSAGE* WINPR_RESTRICT message)
1463{
1464 if (!rfx_message_clear(context, message))
1465 winpr_aligned_free(message);
1466}
1467
1468static inline void rfx_update_context_properties(RFX_CONTEXT* WINPR_RESTRICT context)
1469{
1470 UINT16 properties = 0;
1471
1472 WINPR_ASSERT(context);
1473 /* properties in tilesets: note that this has different format from the one in TS_RFX_CONTEXT */
1474 properties = 1; /* lt */
1475 properties |= (context->flags << 1); /* flags */
1476 properties |= (COL_CONV_ICT << 4); /* cct */
1477 properties |= (CLW_XFORM_DWT_53_A << 6); /* xft */
1478 properties |= ((context->mode == RLGR1 ? CLW_ENTROPY_RLGR1 : CLW_ENTROPY_RLGR3) << 10); /* et */
1479 properties |= (SCALAR_QUANTIZATION << 14); /* qt */
1480 context->properties = properties;
1481}
1482
1483static inline void
1484rfx_write_message_sync(WINPR_ATTR_UNUSED const RFX_CONTEXT* WINPR_RESTRICT context,
1485 WINPR_ATTR_UNUSED wStream* WINPR_RESTRICT s)
1486{
1487 WINPR_ASSERT(context);
1488
1489 Stream_Write_UINT16(s, WBT_SYNC); /* BlockT.blockType (2 bytes) */
1490 Stream_Write_UINT32(s, 12); /* BlockT.blockLen (4 bytes) */
1491 Stream_Write_UINT32(s, WF_MAGIC); /* magic (4 bytes) */
1492 Stream_Write_UINT16(s, WF_VERSION_1_0); /* version (2 bytes) */
1493}
1494
1495static inline void
1496rfx_write_message_codec_versions(WINPR_ATTR_UNUSED const RFX_CONTEXT* WINPR_RESTRICT context,
1497 wStream* WINPR_RESTRICT s)
1498{
1499 WINPR_ASSERT(context);
1500
1501 Stream_Write_UINT16(s, WBT_CODEC_VERSIONS); /* BlockT.blockType (2 bytes) */
1502 Stream_Write_UINT32(s, 10); /* BlockT.blockLen (4 bytes) */
1503 Stream_Write_UINT8(s, 1); /* numCodecs (1 byte) */
1504 Stream_Write_UINT8(s, 1); /* codecs.codecId (1 byte) */
1505 Stream_Write_UINT16(s, WF_VERSION_1_0); /* codecs.version (2 bytes) */
1506}
1507
1508static inline void rfx_write_message_channels(const RFX_CONTEXT* WINPR_RESTRICT context,
1509 wStream* WINPR_RESTRICT s)
1510{
1511 WINPR_ASSERT(context);
1512
1513 Stream_Write_UINT16(s, WBT_CHANNELS); /* BlockT.blockType (2 bytes) */
1514 Stream_Write_UINT32(s, 12); /* BlockT.blockLen (4 bytes) */
1515 Stream_Write_UINT8(s, 1); /* numChannels (1 byte) */
1516 Stream_Write_UINT8(s, 0); /* Channel.channelId (1 byte) */
1517 Stream_Write_UINT16(s, context->width); /* Channel.width (2 bytes) */
1518 Stream_Write_UINT16(s, context->height); /* Channel.height (2 bytes) */
1519}
1520
1521static inline void rfx_write_message_context(RFX_CONTEXT* WINPR_RESTRICT context,
1522 wStream* WINPR_RESTRICT s)
1523{
1524 UINT16 properties = 0;
1525 WINPR_ASSERT(context);
1526
1527 Stream_Write_UINT16(s, WBT_CONTEXT); /* CodecChannelT.blockType (2 bytes) */
1528 Stream_Write_UINT32(s, 13); /* CodecChannelT.blockLen (4 bytes) */
1529 Stream_Write_UINT8(s, 1); /* CodecChannelT.codecId (1 byte) */
1530 Stream_Write_UINT8(s, 0xFF); /* CodecChannelT.channelId (1 byte) */
1531 Stream_Write_UINT8(s, 0); /* ctxId (1 byte) */
1532 Stream_Write_UINT16(s, CT_TILE_64x64); /* tileSize (2 bytes) */
1533 /* properties */
1534 properties = context->flags; /* flags */
1535 properties |= (COL_CONV_ICT << 3); /* cct */
1536 properties |= (CLW_XFORM_DWT_53_A << 5); /* xft */
1537 properties |= ((context->mode == RLGR1 ? CLW_ENTROPY_RLGR1 : CLW_ENTROPY_RLGR3) << 9); /* et */
1538 properties |= (SCALAR_QUANTIZATION << 13); /* qt */
1539 Stream_Write_UINT16(s, properties); /* properties (2 bytes) */
1540 rfx_update_context_properties(context);
1541}
1542
1543static inline BOOL rfx_compose_message_header(RFX_CONTEXT* WINPR_RESTRICT context,
1544 wStream* WINPR_RESTRICT s)
1545{
1546 WINPR_ASSERT(context);
1547 if (!Stream_EnsureRemainingCapacity(s, 12 + 10 + 12 + 13))
1548 return FALSE;
1549
1550 rfx_write_message_sync(context, s);
1551 rfx_write_message_context(context, s);
1552 rfx_write_message_codec_versions(context, s);
1553 rfx_write_message_channels(context, s);
1554 return TRUE;
1555}
1556
1557static inline size_t rfx_tile_length(const RFX_TILE* WINPR_RESTRICT tile)
1558{
1559 WINPR_ASSERT(tile);
1560 return 19ull + tile->YLen + tile->CbLen + tile->CrLen;
1561}
1562
1563static inline BOOL rfx_write_tile(wStream* WINPR_RESTRICT s, const RFX_TILE* WINPR_RESTRICT tile)
1564{
1565 const size_t blockLen = rfx_tile_length(tile);
1566 if (blockLen > UINT32_MAX)
1567 return FALSE;
1568 if (!Stream_EnsureRemainingCapacity(s, blockLen))
1569 return FALSE;
1570
1571 Stream_Write_UINT16(s, CBT_TILE); /* BlockT.blockType (2 bytes) */
1572 Stream_Write_UINT32(s, (UINT32)blockLen); /* BlockT.blockLen (4 bytes) */
1573 Stream_Write_UINT8(s, tile->quantIdxY); /* quantIdxY (1 byte) */
1574 Stream_Write_UINT8(s, tile->quantIdxCb); /* quantIdxCb (1 byte) */
1575 Stream_Write_UINT8(s, tile->quantIdxCr); /* quantIdxCr (1 byte) */
1576 Stream_Write_UINT16(s, tile->xIdx); /* xIdx (2 bytes) */
1577 Stream_Write_UINT16(s, tile->yIdx); /* yIdx (2 bytes) */
1578 Stream_Write_UINT16(s, tile->YLen); /* YLen (2 bytes) */
1579 Stream_Write_UINT16(s, tile->CbLen); /* CbLen (2 bytes) */
1580 Stream_Write_UINT16(s, tile->CrLen); /* CrLen (2 bytes) */
1581 Stream_Write(s, tile->YData, tile->YLen); /* YData */
1582 Stream_Write(s, tile->CbData, tile->CbLen); /* CbData */
1583 Stream_Write(s, tile->CrData, tile->CrLen); /* CrData */
1584 return TRUE;
1585}
1586
1587struct S_RFX_TILE_COMPOSE_WORK_PARAM
1588{
1589 RFX_TILE* tile;
1590 RFX_CONTEXT* context;
1591};
1592
1593static inline void CALLBACK
1594rfx_compose_message_tile_work_callback(WINPR_ATTR_UNUSED PTP_CALLBACK_INSTANCE instance,
1595 void* context, WINPR_ATTR_UNUSED PTP_WORK work)
1596{
1597 RFX_TILE_COMPOSE_WORK_PARAM* param = (RFX_TILE_COMPOSE_WORK_PARAM*)context;
1598 WINPR_ASSERT(param);
1599 WINPR_ASSERT(param->context);
1600 WINPR_ASSERT(param->context->priv);
1601
1602 if (!rfx_encode_rgb(param->context, param->tile))
1603 WLog_Print(param->context->priv->log, WLOG_ERROR, "rfx_encode_rgb failed");
1604}
1605
1606static inline BOOL computeRegion(const RFX_RECT* WINPR_RESTRICT rects, size_t numRects,
1607 REGION16* WINPR_RESTRICT region, size_t width, size_t height)
1608{
1609 const RECTANGLE_16 mainRect = { 0, 0, WINPR_ASSERTING_INT_CAST(UINT16, width),
1610 WINPR_ASSERTING_INT_CAST(UINT16, height) };
1611
1612 WINPR_ASSERT(rects);
1613 for (size_t i = 0; i < numRects; i++)
1614 {
1615 const RFX_RECT* rect = &rects[i];
1616 RECTANGLE_16 rect16 = WINPR_C_ARRAY_INIT;
1617 rect16.left = rect->x;
1618 rect16.top = rect->y;
1619 rect16.right = rect->x + rect->width;
1620 rect16.bottom = rect->y + rect->height;
1621
1622 if (!region16_union_rect(region, region, &rect16))
1623 return FALSE;
1624 }
1625
1626 return region16_intersect_rect(region, region, &mainRect);
1627}
1628
1629#define TILE_NO(v) ((v) / 64)
1630
1631static inline BOOL setupWorkers(RFX_CONTEXT* WINPR_RESTRICT context, size_t nbTiles)
1632{
1633 WINPR_ASSERT(context);
1634
1635 RFX_CONTEXT_PRIV* priv = context->priv;
1636 WINPR_ASSERT(priv);
1637
1638 void* pmem = nullptr;
1639
1640 if (!context->priv->UseThreads)
1641 return TRUE;
1642
1643 if (!(pmem = winpr_aligned_recalloc((void*)priv->workObjects, nbTiles, sizeof(PTP_WORK), 32)))
1644 return FALSE;
1645
1646 priv->workObjects = (PTP_WORK*)pmem;
1647
1648 if (!(pmem = winpr_aligned_recalloc(priv->tileWorkParams, nbTiles,
1649 sizeof(RFX_TILE_COMPOSE_WORK_PARAM), 32)))
1650 return FALSE;
1651
1652 priv->tileWorkParams = (RFX_TILE_COMPOSE_WORK_PARAM*)pmem;
1653 return TRUE;
1654}
1655
1656static inline BOOL rfx_ensure_tiles(RFX_MESSAGE* WINPR_RESTRICT message, size_t count)
1657{
1658 WINPR_ASSERT(message);
1659
1660 if (message->numTiles + count <= message->allocatedTiles)
1661 return TRUE;
1662
1663 const size_t alloc = MAX(message->allocatedTiles + 1024, message->numTiles + count);
1664 return rfx_allocate_tiles(message, alloc, TRUE);
1665}
1666
1667RFX_MESSAGE* rfx_encode_message(RFX_CONTEXT* WINPR_RESTRICT context,
1668 const RFX_RECT* WINPR_RESTRICT rects, size_t numRects,
1669 const BYTE* WINPR_RESTRICT data, UINT32 w, UINT32 h, size_t s)
1670{
1671 const UINT32 width = w;
1672 const UINT32 height = h;
1673 const UINT32 scanline = (UINT32)s;
1674 RFX_MESSAGE* message = nullptr;
1675 PTP_WORK* workObject = nullptr;
1676 RFX_TILE_COMPOSE_WORK_PARAM* workParam = nullptr;
1677 BOOL success = FALSE;
1678 REGION16 rectsRegion = WINPR_C_ARRAY_INIT;
1679 REGION16 tilesRegion = WINPR_C_ARRAY_INIT;
1680 RECTANGLE_16 currentTileRect = WINPR_C_ARRAY_INIT;
1681 const RECTANGLE_16* regionRect = nullptr;
1682
1683 WINPR_ASSERT(data);
1684 WINPR_ASSERT(rects);
1685 WINPR_ASSERT(numRects > 0);
1686 WINPR_ASSERT(w > 0);
1687 WINPR_ASSERT(h > 0);
1688 WINPR_ASSERT(s > 0);
1689
1690 if (!(message = (RFX_MESSAGE*)winpr_aligned_calloc(1, sizeof(RFX_MESSAGE), 32)))
1691 return nullptr;
1692
1693 region16_init(&tilesRegion);
1694 region16_init(&rectsRegion);
1695
1696 if (context->state == RFX_STATE_SEND_HEADERS)
1697 rfx_update_context_properties(context);
1698
1699 message->frameIdx = context->frameIdx++;
1700
1701 if (!context->numQuant)
1702 {
1703 WINPR_ASSERT(context->quants == nullptr);
1704 WINPR_ASSERT(NR_QUANT_VALUES == ARRAYSIZE(rfx_default_quantization_values));
1705 if (!(context->quants =
1706 (UINT32*)winpr_aligned_malloc(sizeof(rfx_default_quantization_values), 32)))
1707 goto skip_encoding_loop;
1708
1709 CopyMemory(context->quants, &rfx_default_quantization_values,
1710 sizeof(rfx_default_quantization_values));
1711 context->numQuant = 1;
1712 context->quantIdxY = 0;
1713 context->quantIdxCb = 0;
1714 context->quantIdxCr = 0;
1715 }
1716
1717 message->numQuant = context->numQuant;
1718 message->quantVals = context->quants;
1719
1720 {
1721 const UINT32 bytesPerPixel = (context->bits_per_pixel / 8);
1722 if (!computeRegion(rects, numRects, &rectsRegion, width, height))
1723 goto skip_encoding_loop;
1724
1725 {
1726 const RECTANGLE_16* extents = region16_extents(&rectsRegion);
1727 WINPR_ASSERT((INT32)extents->right - extents->left > 0);
1728 WINPR_ASSERT((INT32)extents->bottom - extents->top > 0);
1729 const UINT32 maxTilesX = 1 + TILE_NO(extents->right - 1) - TILE_NO(extents->left);
1730 const UINT32 maxTilesY = 1 + TILE_NO(extents->bottom - 1) - TILE_NO(extents->top);
1731 const UINT32 maxNbTiles = maxTilesX * maxTilesY;
1732
1733 if (!rfx_ensure_tiles(message, maxNbTiles))
1734 goto skip_encoding_loop;
1735
1736 if (!setupWorkers(context, maxNbTiles))
1737 goto skip_encoding_loop;
1738 }
1739
1740 if (context->priv->UseThreads)
1741 {
1742 workObject = context->priv->workObjects;
1743 workParam = context->priv->tileWorkParams;
1744 }
1745
1746 {
1747 UINT32 regionNbRects = 0;
1748 regionRect = region16_rects(&rectsRegion, &regionNbRects);
1749
1750 if (!(message->rects = winpr_aligned_calloc(regionNbRects, sizeof(RFX_RECT), 32)))
1751 goto skip_encoding_loop;
1752
1753 message->numRects = WINPR_ASSERTING_INT_CAST(UINT16, regionNbRects);
1754
1755 for (UINT32 i = 0; i < regionNbRects; i++, regionRect++)
1756 {
1757 RFX_RECT* rfxRect = &message->rects[i];
1758 UINT32 startTileX = regionRect->left / 64;
1759 UINT32 endTileX = (regionRect->right - 1) / 64;
1760 UINT32 startTileY = regionRect->top / 64;
1761 UINT32 endTileY = (regionRect->bottom - 1) / 64;
1762 rfxRect->x = regionRect->left;
1763 rfxRect->y = regionRect->top;
1764 rfxRect->width = (regionRect->right - regionRect->left);
1765 rfxRect->height = (regionRect->bottom - regionRect->top);
1766
1767 for (UINT32 yIdx = startTileY, gridRelY = startTileY * 64; yIdx <= endTileY;
1768 yIdx++, gridRelY += 64)
1769 {
1770 UINT32 tileHeight = 64;
1771
1772 if ((yIdx == endTileY) && (gridRelY + 64 > height))
1773 tileHeight = height - gridRelY;
1774
1775 currentTileRect.top = WINPR_ASSERTING_INT_CAST(UINT16, gridRelY);
1776 currentTileRect.bottom =
1777 WINPR_ASSERTING_INT_CAST(UINT16, gridRelY + tileHeight);
1778
1779 for (UINT32 xIdx = startTileX, gridRelX = startTileX * 64; xIdx <= endTileX;
1780 xIdx++, gridRelX += 64)
1781 {
1782 union
1783 {
1784 const BYTE* cpv;
1785 BYTE* pv;
1786 } cnv;
1787 UINT32 tileWidth = 64;
1788
1789 if ((xIdx == endTileX) && (gridRelX + 64 > width))
1790 {
1791 tileWidth = (width - gridRelX);
1792 }
1793
1794 currentTileRect.left = WINPR_ASSERTING_INT_CAST(UINT16, gridRelX);
1795 currentTileRect.right =
1796 WINPR_ASSERTING_INT_CAST(UINT16, gridRelX + tileWidth);
1797
1798 /* checks if this tile is already treated */
1799 if (region16_intersects_rect(&tilesRegion, &currentTileRect))
1800 continue;
1801
1802 RFX_TILE* tile = (RFX_TILE*)ObjectPool_Take(context->priv->TilePool);
1803 if (!tile)
1804 goto skip_encoding_loop;
1805
1806 tile->xIdx = WINPR_ASSERTING_INT_CAST(UINT16, xIdx);
1807 tile->yIdx = WINPR_ASSERTING_INT_CAST(UINT16, yIdx);
1808 tile->x = WINPR_ASSERTING_INT_CAST(UINT16, gridRelX);
1809 tile->y = WINPR_ASSERTING_INT_CAST(UINT16, gridRelY);
1810 tile->scanline = scanline;
1811
1812 tile->width = tileWidth;
1813 tile->height = tileHeight;
1814 const UINT32 ax = gridRelX;
1815 const UINT32 ay = gridRelY;
1816
1817 if (tile->data && tile->allocated)
1818 {
1819 winpr_aligned_free(tile->data);
1820 tile->allocated = FALSE;
1821 }
1822
1823 /* Cast away const */
1824 cnv.cpv = &data[(ay * scanline) + (ax * bytesPerPixel)];
1825 tile->data = cnv.pv;
1826 tile->quantIdxY = context->quantIdxY;
1827 tile->quantIdxCb = context->quantIdxCb;
1828 tile->quantIdxCr = context->quantIdxCr;
1829 tile->YLen = tile->CbLen = tile->CrLen = 0;
1830
1831 if (!(tile->YCbCrData =
1832 (BYTE*)BufferPool_Take(context->priv->BufferPool, -1)))
1833 goto skip_encoding_loop;
1834
1835 tile->YData = &(tile->YCbCrData[((8192 + 32) * 0) + 16]);
1836 tile->CbData = &(tile->YCbCrData[((8192 + 32) * 1) + 16]);
1837 tile->CrData = &(tile->YCbCrData[((8192 + 32) * 2) + 16]);
1838
1839 if (!rfx_ensure_tiles(message, 1))
1840 goto skip_encoding_loop;
1841 message->tiles[message->numTiles++] = tile;
1842
1843 if (context->priv->UseThreads)
1844 {
1845 workParam->context = context;
1846 workParam->tile = tile;
1847
1848 if (!(*workObject =
1849 CreateThreadpoolWork(rfx_compose_message_tile_work_callback,
1850 (void*)workParam, nullptr)))
1851 {
1852 goto skip_encoding_loop;
1853 }
1854
1855 SubmitThreadpoolWork(*workObject);
1856 workObject++;
1857 workParam++;
1858 }
1859 else
1860 {
1861 if (!rfx_encode_rgb(context, tile))
1862 goto skip_encoding_loop;
1863 }
1864
1865 if (!region16_union_rect(&tilesRegion, &tilesRegion, &currentTileRect))
1866 goto skip_encoding_loop;
1867 } /* xIdx */
1868 } /* yIdx */
1869 } /* rects */
1870 }
1871 }
1872
1873 success = TRUE;
1874skip_encoding_loop:
1875
1876 /* when using threads ensure all computations are done */
1877 if (success)
1878 {
1879 message->tilesDataSize = 0;
1880 workObject = context->priv->workObjects;
1881
1882 for (UINT32 i = 0; i < message->numTiles; i++)
1883 {
1884 if (context->priv->UseThreads)
1885 {
1886 if (*workObject)
1887 {
1888 WaitForThreadpoolWorkCallbacks(*workObject, FALSE);
1889 CloseThreadpoolWork(*workObject);
1890 }
1891
1892 workObject++;
1893 }
1894
1895 const RFX_TILE* tile = message->tiles[i];
1896 const size_t tlen = rfx_tile_length(tile);
1897 message->tilesDataSize += WINPR_ASSERTING_INT_CAST(uint32_t, tlen);
1898 }
1899
1900 region16_uninit(&tilesRegion);
1901 region16_uninit(&rectsRegion);
1902
1903 return message;
1904 }
1905
1906 WLog_Print(context->priv->log, WLOG_ERROR, "failed");
1907
1908 rfx_message_free(context, message);
1909 region16_uninit(&tilesRegion);
1910 region16_uninit(&rectsRegion);
1911 return nullptr;
1912}
1913
1914static inline BOOL rfx_clone_rects(RFX_MESSAGE* WINPR_RESTRICT dst,
1915 const RFX_MESSAGE* WINPR_RESTRICT src)
1916{
1917 WINPR_ASSERT(dst);
1918 WINPR_ASSERT(src);
1919
1920 WINPR_ASSERT(dst->rects == nullptr);
1921 WINPR_ASSERT(dst->numRects == 0);
1922
1923 if (src->numRects == 0)
1924 return TRUE;
1925
1926 dst->rects = winpr_aligned_calloc(src->numRects, sizeof(RFX_RECT), 32);
1927 if (!dst->rects)
1928 return FALSE;
1929 dst->numRects = src->numRects;
1930 for (size_t x = 0; x < src->numRects; x++)
1931 {
1932 dst->rects[x] = src->rects[x];
1933 }
1934 return TRUE;
1935}
1936
1937static inline BOOL rfx_clone_quants(RFX_MESSAGE* WINPR_RESTRICT dst,
1938 const RFX_MESSAGE* WINPR_RESTRICT src)
1939{
1940 WINPR_ASSERT(dst);
1941 WINPR_ASSERT(src);
1942
1943 WINPR_ASSERT(dst->quantVals == nullptr);
1944 WINPR_ASSERT(dst->numQuant == 0);
1945
1946 if (src->numQuant == 0)
1947 return TRUE;
1948
1949 /* quantVals are part of context */
1950 dst->quantVals = src->quantVals;
1951 dst->numQuant = src->numQuant;
1952
1953 return TRUE;
1954}
1955
1956static inline RFX_MESSAGE* rfx_split_message(RFX_CONTEXT* WINPR_RESTRICT context,
1957 RFX_MESSAGE* WINPR_RESTRICT message,
1958 size_t* WINPR_RESTRICT numMessages, size_t maxDataSize)
1959{
1960 WINPR_ASSERT(context);
1961 WINPR_ASSERT(message);
1962 WINPR_ASSERT(numMessages);
1963
1964 if (maxDataSize <= 1024)
1965 return nullptr;
1966
1967 maxDataSize -= 1024; /* reserve enough space for headers */
1968 *numMessages = ((message->tilesDataSize + maxDataSize) / maxDataSize) * 4ull;
1969
1970 RFX_MESSAGE* messages =
1971 (RFX_MESSAGE*)winpr_aligned_calloc((*numMessages), sizeof(RFX_MESSAGE), 32);
1972 if (!messages)
1973 return nullptr;
1974
1975 UINT32 j = 0;
1976 for (UINT16 i = 0; i < message->numTiles; i++)
1977 {
1978 RFX_TILE* tile = message->tiles[i];
1979 RFX_MESSAGE* msg = &messages[j];
1980
1981 WINPR_ASSERT(tile);
1982 WINPR_ASSERT(msg);
1983
1984 const size_t tileDataSize = rfx_tile_length(tile);
1985
1986 if ((msg->tilesDataSize + tileDataSize) > ((UINT32)maxDataSize))
1987 j++;
1988
1989 if (msg->numTiles == 0)
1990 {
1991 msg->frameIdx = message->frameIdx + j;
1992 if (!rfx_clone_quants(msg, message))
1993 goto free_messages;
1994 if (!rfx_clone_rects(msg, message))
1995 goto free_messages;
1996 msg->freeArray = TRUE;
1997 if (!rfx_allocate_tiles(msg, message->numTiles, TRUE))
1998 goto free_messages;
1999 }
2000
2001 msg->tilesDataSize += WINPR_ASSERTING_INT_CAST(uint32_t, tileDataSize);
2002
2003 WINPR_ASSERT(msg->numTiles < msg->allocatedTiles);
2004 msg->tiles[msg->numTiles++] = message->tiles[i];
2005 message->tiles[i] = nullptr;
2006 }
2007
2008 *numMessages = j + 1ULL;
2009 context->frameIdx += j;
2010 message->numTiles = 0;
2011 return messages;
2012free_messages:
2013
2014 for (size_t i = 0; i < j; i++)
2015 rfx_allocate_tiles(&messages[i], 0, FALSE);
2016
2017 winpr_aligned_free(messages);
2018 return nullptr;
2019}
2020
2021const RFX_MESSAGE* rfx_message_list_get(const RFX_MESSAGE_LIST* WINPR_RESTRICT messages, size_t idx)
2022{
2023 WINPR_ASSERT(messages);
2024 if (idx >= messages->count)
2025 return nullptr;
2026 WINPR_ASSERT(messages->list);
2027 return &messages->list[idx];
2028}
2029
2030void rfx_message_list_free(RFX_MESSAGE_LIST* messages)
2031{
2032 if (!messages)
2033 return;
2034 for (size_t x = 0; x < messages->count; x++)
2035 rfx_message_clear(messages->context, &messages->list[x]);
2036 free(messages);
2037}
2038
2039static inline RFX_MESSAGE_LIST* rfx_message_list_new(RFX_CONTEXT* WINPR_RESTRICT context,
2040 RFX_MESSAGE* WINPR_RESTRICT messages,
2041 size_t count)
2042{
2043 WINPR_ASSERT(context);
2044 RFX_MESSAGE_LIST* msg = calloc(1, sizeof(RFX_MESSAGE_LIST));
2045 WINPR_ASSERT(msg);
2046
2047 msg->context = context;
2048 msg->count = count;
2049 msg->list = messages;
2050 return msg;
2051}
2052
2053RFX_MESSAGE_LIST* rfx_encode_messages(RFX_CONTEXT* WINPR_RESTRICT context,
2054 const RFX_RECT* WINPR_RESTRICT rects, size_t numRects,
2055 const BYTE* WINPR_RESTRICT data, UINT32 width, UINT32 height,
2056 UINT32 scanline, size_t* WINPR_RESTRICT numMessages,
2057 size_t maxDataSize)
2058{
2059 WINPR_ASSERT(context);
2060 WINPR_ASSERT(numMessages);
2061
2062 RFX_MESSAGE* message =
2063 rfx_encode_message(context, rects, numRects, data, width, height, scanline);
2064 if (!message)
2065 return nullptr;
2066
2067 RFX_MESSAGE* list = rfx_split_message(context, message, numMessages, maxDataSize);
2068 rfx_message_free(context, message);
2069 if (!list)
2070 return nullptr;
2071
2072 return rfx_message_list_new(context, list, *numMessages);
2073}
2074
2075static inline BOOL rfx_write_message_tileset(RFX_CONTEXT* WINPR_RESTRICT context,
2076 wStream* WINPR_RESTRICT s,
2077 const RFX_MESSAGE* WINPR_RESTRICT message)
2078{
2079 WINPR_ASSERT(context);
2080 WINPR_ASSERT(message);
2081
2082 const UINT32 blockLen = 22 + (message->numQuant * 5) + message->tilesDataSize;
2083
2084 if (!Stream_EnsureRemainingCapacity(s, blockLen))
2085 return FALSE;
2086
2087 Stream_Write_UINT16(s, WBT_EXTENSION); /* CodecChannelT.blockType (2 bytes) */
2088 Stream_Write_UINT32(s, blockLen); /* set CodecChannelT.blockLen (4 bytes) */
2089 Stream_Write_UINT8(s, 1); /* CodecChannelT.codecId (1 byte) */
2090 Stream_Write_UINT8(s, 0); /* CodecChannelT.channelId (1 byte) */
2091 Stream_Write_UINT16(s, CBT_TILESET); /* subtype (2 bytes) */
2092 Stream_Write_UINT16(s, 0); /* idx (2 bytes) */
2093 Stream_Write_UINT16(s, context->properties); /* properties (2 bytes) */
2094 Stream_Write_UINT8(
2095 s, WINPR_ASSERTING_INT_CAST(uint8_t, message->numQuant)); /* numQuant (1 byte) */
2096 Stream_Write_UINT8(s, 0x40); /* tileSize (1 byte) */
2097 Stream_Write_UINT16(s, message->numTiles); /* numTiles (2 bytes) */
2098 Stream_Write_UINT32(s, message->tilesDataSize); /* tilesDataSize (4 bytes) */
2099
2100 UINT32* quantVals = message->quantVals;
2101 for (size_t i = 0; i < message->numQuant * 5ul; i++)
2102 {
2103 WINPR_ASSERT(quantVals);
2104 Stream_Write_UINT8(s,
2105 WINPR_ASSERTING_INT_CAST(uint8_t, quantVals[0] + (quantVals[1] << 4)));
2106 quantVals += 2;
2107 }
2108
2109 for (size_t i = 0; i < message->numTiles; i++)
2110 {
2111 RFX_TILE* tile = message->tiles[i];
2112 if (!tile)
2113 return FALSE;
2114
2115 if (!rfx_write_tile(s, tile))
2116 return FALSE;
2117 }
2118
2119#ifdef WITH_DEBUG_RFX
2120 WLog_Print(context->priv->log, WLOG_DEBUG,
2121 "numQuant: %" PRIu16 " numTiles: %" PRIu16 " tilesDataSize: %" PRIu32 "",
2122 message->numQuant, message->numTiles, message->tilesDataSize);
2123#endif
2124 return TRUE;
2125}
2126
2127static inline BOOL
2128rfx_write_message_frame_begin(WINPR_ATTR_UNUSED RFX_CONTEXT* WINPR_RESTRICT context,
2129 wStream* WINPR_RESTRICT s, const RFX_MESSAGE* WINPR_RESTRICT message)
2130{
2131 WINPR_ASSERT(context);
2132 WINPR_ASSERT(message);
2133
2134 if (!Stream_EnsureRemainingCapacity(s, 14))
2135 return FALSE;
2136
2137 Stream_Write_UINT16(s, WBT_FRAME_BEGIN); /* CodecChannelT.blockType */
2138 Stream_Write_UINT32(s, 14); /* CodecChannelT.blockLen */
2139 Stream_Write_UINT8(s, 1); /* CodecChannelT.codecId */
2140 Stream_Write_UINT8(s, 0); /* CodecChannelT.channelId */
2141 Stream_Write_UINT32(s, message->frameIdx); /* frameIdx */
2142 Stream_Write_UINT16(s, 1); /* numRegions */
2143 return TRUE;
2144}
2145
2146static inline BOOL rfx_write_message_region(WINPR_ATTR_UNUSED RFX_CONTEXT* WINPR_RESTRICT context,
2147 wStream* WINPR_RESTRICT s,
2148 const RFX_MESSAGE* WINPR_RESTRICT message)
2149{
2150 WINPR_ASSERT(context);
2151 WINPR_ASSERT(message);
2152
2153 const size_t blockLen = 15 + (message->numRects * 8);
2154 if (blockLen > UINT32_MAX)
2155 return FALSE;
2156
2157 if (!Stream_EnsureRemainingCapacity(s, blockLen))
2158 return FALSE;
2159
2160 Stream_Write_UINT16(s, WBT_REGION); /* CodecChannelT.blockType (2 bytes) */
2161 Stream_Write_UINT32(s, (UINT32)blockLen); /* set CodecChannelT.blockLen (4 bytes) */
2162 Stream_Write_UINT8(s, 1); /* CodecChannelT.codecId (1 byte) */
2163 Stream_Write_UINT8(s, 0); /* CodecChannelT.channelId (1 byte) */
2164 Stream_Write_UINT8(s, 1); /* regionFlags (1 byte) */
2165 Stream_Write_UINT16(s, message->numRects); /* numRects (2 bytes) */
2166
2167 for (UINT16 i = 0; i < message->numRects; i++)
2168 {
2169 const RFX_RECT* rect = rfx_message_get_rect_const(message, i);
2170 WINPR_ASSERT(rect);
2171
2172 /* Clipping rectangles are relative to destLeft, destTop */
2173 Stream_Write_UINT16(s, rect->x); /* x (2 bytes) */
2174 Stream_Write_UINT16(s, rect->y); /* y (2 bytes) */
2175 Stream_Write_UINT16(s, rect->width); /* width (2 bytes) */
2176 Stream_Write_UINT16(s, rect->height); /* height (2 bytes) */
2177 }
2178
2179 Stream_Write_UINT16(s, CBT_REGION); /* regionType (2 bytes) */
2180 Stream_Write_UINT16(s, 1); /* numTilesets (2 bytes) */
2181 return TRUE;
2182}
2183
2184static inline BOOL
2185rfx_write_message_frame_end(WINPR_ATTR_UNUSED RFX_CONTEXT* WINPR_RESTRICT context,
2186 wStream* WINPR_RESTRICT s,
2187 WINPR_ATTR_UNUSED const RFX_MESSAGE* WINPR_RESTRICT message)
2188{
2189 WINPR_ASSERT(context);
2190 WINPR_ASSERT(message);
2191
2192 if (!Stream_EnsureRemainingCapacity(s, 8))
2193 return FALSE;
2194
2195 Stream_Write_UINT16(s, WBT_FRAME_END); /* CodecChannelT.blockType */
2196 Stream_Write_UINT32(s, 8); /* CodecChannelT.blockLen */
2197 Stream_Write_UINT8(s, 1); /* CodecChannelT.codecId */
2198 Stream_Write_UINT8(s, 0); /* CodecChannelT.channelId */
2199 return TRUE;
2200}
2201
2202BOOL rfx_write_message(RFX_CONTEXT* WINPR_RESTRICT context, wStream* WINPR_RESTRICT s,
2203 const RFX_MESSAGE* WINPR_RESTRICT message)
2204{
2205 WINPR_ASSERT(context);
2206 WINPR_ASSERT(message);
2207
2208 if (context->state == RFX_STATE_SEND_HEADERS)
2209 {
2210 if (!rfx_compose_message_header(context, s))
2211 return FALSE;
2212
2213 context->state = RFX_STATE_SEND_FRAME_DATA;
2214 }
2215
2216 if (!rfx_write_message_frame_begin(context, s, message) ||
2217 !rfx_write_message_region(context, s, message) ||
2218 !rfx_write_message_tileset(context, s, message) ||
2219 !rfx_write_message_frame_end(context, s, message))
2220 {
2221 return FALSE;
2222 }
2223
2224 return TRUE;
2225}
2226
2227BOOL rfx_compose_message(RFX_CONTEXT* WINPR_RESTRICT context, wStream* WINPR_RESTRICT s,
2228 const RFX_RECT* WINPR_RESTRICT rects, size_t numRects,
2229 const BYTE* WINPR_RESTRICT data, UINT32 width, UINT32 height,
2230 UINT32 scanline)
2231{
2232 WINPR_ASSERT(context);
2233 RFX_MESSAGE* message =
2234 rfx_encode_message(context, rects, numRects, data, width, height, scanline);
2235 if (!message)
2236 return FALSE;
2237
2238 const BOOL ret = rfx_write_message(context, s, message);
2239 rfx_message_free(context, message);
2240 return ret;
2241}
2242
2243BOOL rfx_context_set_mode(RFX_CONTEXT* WINPR_RESTRICT context, RLGR_MODE mode)
2244{
2245 WINPR_ASSERT(context);
2246 context->mode = mode;
2247 return TRUE;
2248}
2249
2250RLGR_MODE rfx_context_get_mode(RFX_CONTEXT* WINPR_RESTRICT context)
2251{
2252 WINPR_ASSERT(context);
2253 return context->mode;
2254}
2255
2256UINT32 rfx_context_get_frame_idx(const RFX_CONTEXT* WINPR_RESTRICT context)
2257{
2258 WINPR_ASSERT(context);
2259 return context->frameIdx;
2260}
2261
2262UINT32 rfx_message_get_frame_idx(const RFX_MESSAGE* WINPR_RESTRICT message)
2263{
2264 WINPR_ASSERT(message);
2265 return message->frameIdx;
2266}
2267
2268static inline BOOL rfx_write_progressive_wb_sync(WINPR_ATTR_UNUSED RFX_CONTEXT* WINPR_RESTRICT rfx,
2269 wStream* WINPR_RESTRICT s)
2270{
2271 const UINT32 blockLen = 12;
2272 WINPR_ASSERT(rfx);
2273 WINPR_ASSERT(s);
2274
2275 if (!Stream_EnsureRemainingCapacity(s, blockLen))
2276 return FALSE;
2277
2278 Stream_Write_UINT16(s, PROGRESSIVE_WBT_SYNC); /* blockType (2 bytes) */
2279 Stream_Write_UINT32(s, blockLen); /* blockLen (4 bytes) */
2280 Stream_Write_UINT32(s, 0xCACCACCA); /* magic (4 bytes) */
2281 Stream_Write_UINT16(s, 0x0100); /* version (2 bytes) */
2282 return TRUE;
2283}
2284
2285static inline BOOL
2286rfx_write_progressive_wb_context(WINPR_ATTR_UNUSED RFX_CONTEXT* WINPR_RESTRICT rfx,
2287 wStream* WINPR_RESTRICT s)
2288{
2289 const UINT32 blockLen = 10;
2290 WINPR_ASSERT(rfx);
2291 WINPR_ASSERT(s);
2292
2293 if (!Stream_EnsureRemainingCapacity(s, blockLen))
2294 return FALSE;
2295
2296 Stream_Write_UINT16(s, PROGRESSIVE_WBT_CONTEXT); /* blockType (2 bytes) */
2297 Stream_Write_UINT32(s, blockLen); /* blockLen (4 bytes) */
2298 Stream_Write_UINT8(s, 0); /* ctxId (1 byte) */
2299 Stream_Write_UINT16(s, 64); /* tileSize (2 bytes) */
2300 Stream_Write_UINT8(s, 0); /* flags (1 byte) */
2301 return TRUE;
2302}
2303
2304static inline BOOL rfx_write_progressive_region(RFX_CONTEXT* WINPR_RESTRICT rfx,
2305 wStream* WINPR_RESTRICT s,
2306 const RFX_MESSAGE* WINPR_RESTRICT msg)
2307{
2308 /* RFX_REGION */
2309 UINT32 blockLen = 18;
2310 UINT32 tilesDataSize = 0;
2311 const size_t start = Stream_GetPosition(s);
2312
2313 WINPR_ASSERT(rfx);
2314 WINPR_ASSERT(s);
2315 WINPR_ASSERT(msg);
2316
2317 blockLen += msg->numRects * 8;
2318 blockLen += msg->numQuant * 5;
2319 tilesDataSize = msg->numTiles * 22UL;
2320 for (UINT16 i = 0; i < msg->numTiles; i++)
2321 {
2322 const RFX_TILE* tile = msg->tiles[i];
2323 WINPR_ASSERT(tile);
2324 tilesDataSize += tile->YLen + tile->CbLen + tile->CrLen;
2325 }
2326 blockLen += tilesDataSize;
2327
2328 if (!Stream_EnsureRemainingCapacity(s, blockLen))
2329 return FALSE;
2330
2331 Stream_Write_UINT16(s, PROGRESSIVE_WBT_REGION); /* blockType (2 bytes) */
2332 Stream_Write_UINT32(s, blockLen); /* blockLen (4 bytes) */
2333 Stream_Write_UINT8(s, 64); /* tileSize (1 byte) */
2334 Stream_Write_UINT16(s, msg->numRects); /* numRects (2 bytes) */
2335 WINPR_ASSERT(msg->numQuant <= UINT8_MAX);
2336 Stream_Write_UINT8(s, (UINT8)msg->numQuant); /* numQuant (1 byte) */
2337 Stream_Write_UINT8(s, 0); /* numProgQuant (1 byte) */
2338 Stream_Write_UINT8(s, 0); /* flags (1 byte) */
2339 Stream_Write_UINT16(s, msg->numTiles); /* numTiles (2 bytes) */
2340 Stream_Write_UINT32(s, tilesDataSize); /* tilesDataSize (4 bytes) */
2341
2342 for (UINT16 i = 0; i < msg->numRects; i++)
2343 {
2344 /* TS_RFX_RECT */
2345 const RFX_RECT* r = &msg->rects[i];
2346 Stream_Write_UINT16(s, r->x); /* x (2 bytes) */
2347 Stream_Write_UINT16(s, r->y); /* y (2 bytes) */
2348 Stream_Write_UINT16(s, r->width); /* width (2 bytes) */
2349 Stream_Write_UINT16(s, r->height); /* height (2 bytes) */
2350 }
2351
2360 for (UINT16 i = 0; i < msg->numQuant; i++)
2361 {
2362 const UINT32* qv = &msg->quantVals[10ULL * i];
2363 /* RFX_COMPONENT_CODEC_QUANT */
2364 Stream_Write_UINT8(s, (UINT8)(qv[0] + (qv[2] << 4))); /* LL3 (4-bit), HL3 (4-bit) */
2365 Stream_Write_UINT8(s, (UINT8)(qv[1] + (qv[3] << 4))); /* LH3 (4-bit), HH3 (4-bit) */
2366 Stream_Write_UINT8(s, (UINT8)(qv[5] + (qv[4] << 4))); /* HL2 (4-bit), LH2 (4-bit) */
2367 Stream_Write_UINT8(s, (UINT8)(qv[6] + (qv[8] << 4))); /* HH2 (4-bit), HL1 (4-bit) */
2368 Stream_Write_UINT8(s, (UINT8)(qv[7] + (qv[9] << 4))); /* LH1 (4-bit), HH1 (4-bit) */
2369 }
2370
2371 for (UINT16 i = 0; i < msg->numTiles; i++)
2372 {
2373 const RFX_TILE* tile = msg->tiles[i];
2374 if (!rfx_write_progressive_tile_simple(rfx, s, tile))
2375 return FALSE;
2376 }
2377
2378 const size_t end = Stream_GetPosition(s);
2379 const size_t used = end - start;
2380 return (used == blockLen);
2381}
2382
2383static inline BOOL
2384rfx_write_progressive_frame_begin(WINPR_ATTR_UNUSED RFX_CONTEXT* WINPR_RESTRICT rfx,
2385 wStream* WINPR_RESTRICT s, const RFX_MESSAGE* WINPR_RESTRICT msg)
2386{
2387 const UINT32 blockLen = 12;
2388 WINPR_ASSERT(rfx);
2389 WINPR_ASSERT(s);
2390 WINPR_ASSERT(msg);
2391
2392 if (!Stream_EnsureRemainingCapacity(s, blockLen))
2393 return FALSE;
2394
2395 Stream_Write_UINT16(s, PROGRESSIVE_WBT_FRAME_BEGIN); /* blockType (2 bytes) */
2396 Stream_Write_UINT32(s, blockLen); /* blockLen (4 bytes) */
2397 Stream_Write_UINT32(s, msg->frameIdx); /* frameIndex (4 bytes) */
2398 Stream_Write_UINT16(s, 1); /* regionCount (2 bytes) */
2399
2400 return TRUE;
2401}
2402
2403static inline BOOL
2404rfx_write_progressive_frame_end(WINPR_ATTR_UNUSED RFX_CONTEXT* WINPR_RESTRICT rfx,
2405 wStream* WINPR_RESTRICT s)
2406{
2407 const UINT32 blockLen = 6;
2408 WINPR_ASSERT(rfx);
2409 WINPR_ASSERT(s);
2410
2411 if (!Stream_EnsureRemainingCapacity(s, blockLen))
2412 return FALSE;
2413
2414 Stream_Write_UINT16(s, PROGRESSIVE_WBT_FRAME_END); /* blockType (2 bytes) */
2415 Stream_Write_UINT32(s, blockLen); /* blockLen (4 bytes) */
2416
2417 return TRUE;
2418}
2419
2420static inline BOOL
2421rfx_write_progressive_tile_simple(WINPR_ATTR_UNUSED RFX_CONTEXT* WINPR_RESTRICT rfx,
2422 wStream* WINPR_RESTRICT s, const RFX_TILE* WINPR_RESTRICT tile)
2423{
2424 UINT32 blockLen = 0;
2425 WINPR_ASSERT(rfx);
2426 WINPR_ASSERT(s);
2427 WINPR_ASSERT(tile);
2428
2429 blockLen = 22 + tile->YLen + tile->CbLen + tile->CrLen;
2430 if (!Stream_EnsureRemainingCapacity(s, blockLen))
2431 return FALSE;
2432
2433 Stream_Write_UINT16(s, PROGRESSIVE_WBT_TILE_SIMPLE); /* blockType (2 bytes) */
2434 Stream_Write_UINT32(s, blockLen); /* blockLen (4 bytes) */
2435 Stream_Write_UINT8(s, tile->quantIdxY); /* quantIdxY (1 byte) */
2436 Stream_Write_UINT8(s, tile->quantIdxCb); /* quantIdxCb (1 byte) */
2437 Stream_Write_UINT8(s, tile->quantIdxCr); /* quantIdxCr (1 byte) */
2438 Stream_Write_UINT16(s, tile->xIdx); /* xIdx (2 bytes) */
2439 Stream_Write_UINT16(s, tile->yIdx); /* yIdx (2 bytes) */
2440 Stream_Write_UINT8(s, 0); /* flags (1 byte) */
2441 Stream_Write_UINT16(s, tile->YLen); /* YLen (2 bytes) */
2442 Stream_Write_UINT16(s, tile->CbLen); /* CbLen (2 bytes) */
2443 Stream_Write_UINT16(s, tile->CrLen); /* CrLen (2 bytes) */
2444 Stream_Write_UINT16(s, 0); /* tailLen (2 bytes) */
2445 Stream_Write(s, tile->YData, tile->YLen); /* YData */
2446 Stream_Write(s, tile->CbData, tile->CbLen); /* CbData */
2447 Stream_Write(s, tile->CrData, tile->CrLen); /* CrData */
2448
2449 return TRUE;
2450}
2451
2452const char* rfx_get_progressive_block_type_string(UINT16 blockType)
2453{
2454 switch (blockType)
2455 {
2456 case PROGRESSIVE_WBT_SYNC:
2457 return "PROGRESSIVE_WBT_SYNC";
2458
2459 case PROGRESSIVE_WBT_FRAME_BEGIN:
2460 return "PROGRESSIVE_WBT_FRAME_BEGIN";
2461
2462 case PROGRESSIVE_WBT_FRAME_END:
2463 return "PROGRESSIVE_WBT_FRAME_END";
2464
2465 case PROGRESSIVE_WBT_CONTEXT:
2466 return "PROGRESSIVE_WBT_CONTEXT";
2467
2468 case PROGRESSIVE_WBT_REGION:
2469 return "PROGRESSIVE_WBT_REGION";
2470
2471 case PROGRESSIVE_WBT_TILE_SIMPLE:
2472 return "PROGRESSIVE_WBT_TILE_SIMPLE";
2473
2474 case PROGRESSIVE_WBT_TILE_FIRST:
2475 return "PROGRESSIVE_WBT_TILE_FIRST";
2476
2477 case PROGRESSIVE_WBT_TILE_UPGRADE:
2478 return "PROGRESSIVE_WBT_TILE_UPGRADE";
2479
2480 default:
2481 return "PROGRESSIVE_WBT_UNKNOWN";
2482 }
2483}
2484
2485BOOL rfx_write_message_progressive_simple(RFX_CONTEXT* WINPR_RESTRICT rfx,
2486 wStream* WINPR_RESTRICT s,
2487 const RFX_MESSAGE* WINPR_RESTRICT msg)
2488{
2489 WINPR_ASSERT(s);
2490 WINPR_ASSERT(msg);
2491 WINPR_ASSERT(rfx);
2492
2493 if (rfx->mode != RLGR1)
2494 {
2495 WLog_ERR(TAG, "error, RLGR1 mode is required!");
2496 return FALSE;
2497 }
2498
2499 if (!rfx_write_progressive_wb_sync(rfx, s))
2500 return FALSE;
2501
2502 if (!rfx_write_progressive_wb_context(rfx, s))
2503 return FALSE;
2504
2505 if (!rfx_write_progressive_frame_begin(rfx, s, msg))
2506 return FALSE;
2507
2508 if (!rfx_write_progressive_region(rfx, s, msg))
2509 return FALSE;
2510
2511 if (!rfx_write_progressive_frame_end(rfx, s))
2512 return FALSE;
2513
2514 return TRUE;
2515}
RECTANGLE_16
Definition types.h:109
RFX_RECT
Definition rfx.h:44
RFX_TILE
Definition rfx.h:52
wObject
This struct contains function pointer to initialize/free objects.
Definition collections.h:52
wObject::fnObjectFree
OBJECT_FREE_FN fnObjectFree
Definition collections.h:59
wObject::fnObjectNew
WINPR_ATTR_NODISCARD OBJECT_NEW_FN fnObjectNew
Definition collections.h:54
wObject::fnObjectInit
OBJECT_INIT_FN fnObjectInit
Definition collections.h:56