/** * FreeRDP: A Remote Desktop Protocol Implementation * RemoteFX Codec Library * * Copyright 2011 Vic Lee * Copyright 2015 Thincast Technologies GmbH * Copyright 2015 Norbert Federa * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "rfx_constants.h" #include "rfx_types.h" #include "rfx_decode.h" #include "rfx_encode.h" #include "rfx_quantization.h" #include "rfx_dwt.h" #include "rfx_rlgr.h" #include "rfx_sse2.h" #include "rfx_neon.h" #define TAG FREERDP_TAG("codec") #ifndef RFX_INIT_SIMD #define RFX_INIT_SIMD(_rfx_context) \ do \ { \ } while (0) #endif #define RFX_KEY "Software\\" FREERDP_VENDOR_STRING "\\" FREERDP_PRODUCT_STRING "\\RemoteFX" /** * The quantization values control the compression rate and quality. The value * range is between 6 and 15. The higher value, the higher compression rate * and lower quality. * * This is the default values being use by the MS RDP server, and we will also * use it as our default values for the encoder. It can be overrided by setting * the context->num_quants and context->quants member. * * The order of the values are: * LL3, LH3, HL3, HH3, LH2, HL2, HH2, LH1, HL1, HH1 */ static const UINT32 rfx_default_quantization_values[] = { 6, 6, 6, 6, 7, 7, 8, 8, 8, 9 }; static void rfx_profiler_create(RFX_CONTEXT* context) { PROFILER_CREATE(context->priv->prof_rfx_decode_rgb, "rfx_decode_rgb") PROFILER_CREATE(context->priv->prof_rfx_decode_component, "rfx_decode_component") PROFILER_CREATE(context->priv->prof_rfx_rlgr_decode, "rfx_rlgr_decode") PROFILER_CREATE(context->priv->prof_rfx_differential_decode, "rfx_differential_decode") PROFILER_CREATE(context->priv->prof_rfx_quantization_decode, "rfx_quantization_decode") PROFILER_CREATE(context->priv->prof_rfx_dwt_2d_decode, "rfx_dwt_2d_decode") PROFILER_CREATE(context->priv->prof_rfx_ycbcr_to_rgb, "prims->yCbCrToRGB") PROFILER_CREATE(context->priv->prof_rfx_encode_rgb, "rfx_encode_rgb") PROFILER_CREATE(context->priv->prof_rfx_encode_component, "rfx_encode_component") PROFILER_CREATE(context->priv->prof_rfx_rlgr_encode, "rfx_rlgr_encode") PROFILER_CREATE(context->priv->prof_rfx_differential_encode, "rfx_differential_encode") PROFILER_CREATE(context->priv->prof_rfx_quantization_encode, "rfx_quantization_encode") PROFILER_CREATE(context->priv->prof_rfx_dwt_2d_encode, "rfx_dwt_2d_encode") PROFILER_CREATE(context->priv->prof_rfx_rgb_to_ycbcr, "prims->RGBToYCbCr") PROFILER_CREATE(context->priv->prof_rfx_encode_format_rgb, "rfx_encode_format_rgb") } static void rfx_profiler_free(RFX_CONTEXT* context) { PROFILER_FREE(context->priv->prof_rfx_decode_rgb) PROFILER_FREE(context->priv->prof_rfx_decode_component) PROFILER_FREE(context->priv->prof_rfx_rlgr_decode) PROFILER_FREE(context->priv->prof_rfx_differential_decode) PROFILER_FREE(context->priv->prof_rfx_quantization_decode) PROFILER_FREE(context->priv->prof_rfx_dwt_2d_decode) PROFILER_FREE(context->priv->prof_rfx_ycbcr_to_rgb) PROFILER_FREE(context->priv->prof_rfx_encode_rgb) PROFILER_FREE(context->priv->prof_rfx_encode_component) PROFILER_FREE(context->priv->prof_rfx_rlgr_encode) PROFILER_FREE(context->priv->prof_rfx_differential_encode) PROFILER_FREE(context->priv->prof_rfx_quantization_encode) PROFILER_FREE(context->priv->prof_rfx_dwt_2d_encode) PROFILER_FREE(context->priv->prof_rfx_rgb_to_ycbcr) PROFILER_FREE(context->priv->prof_rfx_encode_format_rgb) } static void rfx_profiler_print(RFX_CONTEXT* context) { PROFILER_PRINT_HEADER PROFILER_PRINT(context->priv->prof_rfx_decode_rgb) PROFILER_PRINT(context->priv->prof_rfx_decode_component) PROFILER_PRINT(context->priv->prof_rfx_rlgr_decode) PROFILER_PRINT(context->priv->prof_rfx_differential_decode) PROFILER_PRINT(context->priv->prof_rfx_quantization_decode) PROFILER_PRINT(context->priv->prof_rfx_dwt_2d_decode) PROFILER_PRINT(context->priv->prof_rfx_ycbcr_to_rgb) PROFILER_PRINT(context->priv->prof_rfx_encode_rgb) PROFILER_PRINT(context->priv->prof_rfx_encode_component) PROFILER_PRINT(context->priv->prof_rfx_rlgr_encode) PROFILER_PRINT(context->priv->prof_rfx_differential_encode) PROFILER_PRINT(context->priv->prof_rfx_quantization_encode) PROFILER_PRINT(context->priv->prof_rfx_dwt_2d_encode) PROFILER_PRINT(context->priv->prof_rfx_rgb_to_ycbcr) PROFILER_PRINT(context->priv->prof_rfx_encode_format_rgb) PROFILER_PRINT_FOOTER } static void rfx_tile_init(void* obj) { RFX_TILE* tile = (RFX_TILE*)obj; if (tile) { tile->x = 0; tile->y = 0; tile->YLen = 0; tile->YData = NULL; tile->CbLen = 0; tile->CbData = NULL; tile->CrLen = 0; tile->CrData = NULL; } } static void* rfx_decoder_tile_new(void* val) { RFX_TILE* tile = NULL; WINPR_UNUSED(val); if (!(tile = (RFX_TILE*)calloc(1, sizeof(RFX_TILE)))) return NULL; if (!(tile->data = (BYTE*)_aligned_malloc(4 * 64 * 64, 16))) { free(tile); return NULL; } tile->allocated = TRUE; return tile; } static void rfx_decoder_tile_free(void* obj) { RFX_TILE* tile = (RFX_TILE*)obj; if (tile) { if (tile->allocated) _aligned_free(tile->data); free(tile); } } static void* rfx_encoder_tile_new(void* val) { WINPR_UNUSED(val); return calloc(1, sizeof(RFX_TILE)); } static void rfx_encoder_tile_free(void* obj) { free(obj); } RFX_CONTEXT* rfx_context_new(BOOL encoder) { HKEY hKey; LONG status; DWORD dwType; DWORD dwSize; DWORD dwValue; SYSTEM_INFO sysinfo; RFX_CONTEXT* context; wObject* pool; RFX_CONTEXT_PRIV* priv; context = (RFX_CONTEXT*)calloc(1, sizeof(RFX_CONTEXT)); if (!context) return NULL; context->encoder = encoder; context->currentMessage.freeArray = TRUE; context->priv = priv = (RFX_CONTEXT_PRIV*)calloc(1, sizeof(RFX_CONTEXT_PRIV)); if (!priv) goto error_priv; priv->log = WLog_Get("com.freerdp.codec.rfx"); WLog_OpenAppender(priv->log); #ifdef WITH_DEBUG_RFX WLog_SetLogLevel(priv->log, WLOG_DEBUG); #endif priv->TilePool = ObjectPool_New(TRUE); if (!priv->TilePool) goto error_tilePool; pool = ObjectPool_Object(priv->TilePool); pool->fnObjectInit = rfx_tile_init; if (context->encoder) { pool->fnObjectNew = rfx_encoder_tile_new; pool->fnObjectFree = rfx_encoder_tile_free; } else { pool->fnObjectNew = rfx_decoder_tile_new; pool->fnObjectFree = rfx_decoder_tile_free; } /* * align buffers to 16 byte boundary (needed for SSE/NEON instructions) * * y_r_buffer, cb_g_buffer, cr_b_buffer: 64 * 64 * sizeof(INT16) = 8192 (0x2000) * dwt_buffer: 32 * 32 * 2 * 2 * sizeof(INT16) = 8192, maximum sub-band width is 32 * * Additionally we add 32 bytes (16 in front and 16 at the back of the buffer) * in order to allow optimized functions (SEE, NEON) to read from positions * that are actually in front/beyond the buffer. Offset calculations are * performed at the BufferPool_Take function calls in rfx_encode/decode.c. * * We then multiply by 3 to use a single, partioned buffer for all 3 channels. */ priv->BufferPool = BufferPool_New(TRUE, (8192 + 32) * 3, 16); if (!priv->BufferPool) goto error_BufferPool; #ifdef _WIN32 { BOOL isVistaOrLater; OSVERSIONINFOA verinfo; ZeroMemory(&verinfo, sizeof(OSVERSIONINFOA)); verinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA); GetVersionExA(&verinfo); isVistaOrLater = ((verinfo.dwMajorVersion >= 6) && (verinfo.dwMinorVersion >= 0)) ? TRUE : FALSE; priv->UseThreads = isVistaOrLater; } #else priv->UseThreads = TRUE; #endif GetNativeSystemInfo(&sysinfo); priv->MinThreadCount = sysinfo.dwNumberOfProcessors; priv->MaxThreadCount = 0; status = RegOpenKeyExA(HKEY_LOCAL_MACHINE, RFX_KEY, 0, KEY_READ | KEY_WOW64_64KEY, &hKey); if (status == ERROR_SUCCESS) { dwSize = sizeof(dwValue); if (RegQueryValueEx(hKey, _T("UseThreads"), NULL, &dwType, (BYTE*)&dwValue, &dwSize) == ERROR_SUCCESS) priv->UseThreads = dwValue ? 1 : 0; if (RegQueryValueEx(hKey, _T("MinThreadCount"), NULL, &dwType, (BYTE*)&dwValue, &dwSize) == ERROR_SUCCESS) priv->MinThreadCount = dwValue; if (RegQueryValueEx(hKey, _T("MaxThreadCount"), NULL, &dwType, (BYTE*)&dwValue, &dwSize) == ERROR_SUCCESS) priv->MaxThreadCount = dwValue; RegCloseKey(hKey); } if (priv->UseThreads) { /* Call primitives_get here in order to avoid race conditions when using primitives_get */ /* from multiple threads. This call will initialize all function pointers correctly */ /* before any decoding threads are started */ primitives_get(); priv->ThreadPool = CreateThreadpool(NULL); if (!priv->ThreadPool) goto error_threadPool; InitializeThreadpoolEnvironment(&priv->ThreadPoolEnv); SetThreadpoolCallbackPool(&priv->ThreadPoolEnv, priv->ThreadPool); if (priv->MinThreadCount) if (!SetThreadpoolThreadMinimum(priv->ThreadPool, priv->MinThreadCount)) goto error_threadPool_minimum; if (priv->MaxThreadCount) SetThreadpoolThreadMaximum(priv->ThreadPool, priv->MaxThreadCount); } /* initialize the default pixel format */ rfx_context_set_pixel_format(context, PIXEL_FORMAT_BGRX32); /* create profilers for default decoding routines */ rfx_profiler_create(context); /* set up default routines */ context->quantization_decode = rfx_quantization_decode; context->quantization_encode = rfx_quantization_encode; context->dwt_2d_decode = rfx_dwt_2d_decode; context->dwt_2d_encode = rfx_dwt_2d_encode; context->rlgr_decode = rfx_rlgr_decode; context->rlgr_encode = rfx_rlgr_encode; RFX_INIT_SIMD(context); context->state = RFX_STATE_SEND_HEADERS; context->expectedDataBlockType = WBT_FRAME_BEGIN; return context; error_threadPool_minimum: CloseThreadpool(priv->ThreadPool); error_threadPool: BufferPool_Free(priv->BufferPool); error_BufferPool: ObjectPool_Free(priv->TilePool); error_tilePool: free(priv); error_priv: free(context); return NULL; } void rfx_context_free(RFX_CONTEXT* context) { RFX_CONTEXT_PRIV* priv; if (!context) return; assert(NULL != context); assert(NULL != context->priv); assert(NULL != context->priv->TilePool); assert(NULL != context->priv->BufferPool); priv = context->priv; rfx_message_free(context, &context->currentMessage); free(context->quants); ObjectPool_Free(priv->TilePool); rfx_profiler_print(context); rfx_profiler_free(context); if (priv->UseThreads) { CloseThreadpool(context->priv->ThreadPool); DestroyThreadpoolEnvironment(&context->priv->ThreadPoolEnv); free(priv->workObjects); free(priv->tileWorkParams); #ifdef WITH_PROFILER WLog_VRB(TAG, "WARNING: Profiling results probably unusable with multithreaded RemoteFX codec!"); #endif } BufferPool_Free(context->priv->BufferPool); free(context->priv); free(context); } static RFX_TILE* rfx_message_get_tile(RFX_MESSAGE* message, UINT32 index) { return message->tiles[index]; } static RFX_RECT* rfx_message_get_rect(RFX_MESSAGE* message, UINT32 index) { return &message->rects[index]; } void rfx_context_set_pixel_format(RFX_CONTEXT* context, UINT32 pixel_format) { context->pixel_format = pixel_format; context->bits_per_pixel = GetBitsPerPixel(pixel_format); } BOOL rfx_context_reset(RFX_CONTEXT* context, UINT32 width, UINT32 height) { if (!context) return FALSE; context->width = width; context->height = height; context->state = RFX_STATE_SEND_HEADERS; context->expectedDataBlockType = WBT_FRAME_BEGIN; context->frameIdx = 0; return TRUE; } static BOOL rfx_process_message_sync(RFX_CONTEXT* context, wStream* s) { UINT32 magic; context->decodedHeaderBlocks &= ~_RFX_DECODED_SYNC; /* RFX_SYNC */ if (Stream_GetRemainingLength(s) < 6) { WLog_ERR(TAG, "RfxSync packet too small"); return FALSE; } Stream_Read_UINT32(s, magic); /* magic (4 bytes), 0xCACCACCA */ if (magic != WF_MAGIC) { WLog_ERR(TAG, "invalid magic number 0x%08" PRIX32 "", magic); return FALSE; } Stream_Read_UINT16(s, context->version); /* version (2 bytes), WF_VERSION_1_0 (0x0100) */ if (context->version != WF_VERSION_1_0) { WLog_ERR(TAG, "invalid version number 0x%08" PRIX32 "", context->version); return FALSE; } WLog_Print(context->priv->log, WLOG_DEBUG, "version 0x%08" PRIX32 "", context->version); context->decodedHeaderBlocks |= _RFX_DECODED_SYNC; return TRUE; } static BOOL rfx_process_message_codec_versions(RFX_CONTEXT* context, wStream* s) { BYTE numCodecs; context->decodedHeaderBlocks &= ~_RFX_DECODED_VERSIONS; if (Stream_GetRemainingLength(s) < 4) { WLog_ERR(TAG, "%s: packet too small for reading codec versions", __FUNCTION__); return FALSE; } Stream_Read_UINT8(s, numCodecs); /* numCodecs (1 byte), must be set to 0x01 */ Stream_Read_UINT8(s, context->codec_id); /* codecId (1 byte), must be set to 0x01 */ Stream_Read_UINT16( s, context->codec_version); /* version (2 bytes), must be set to WF_VERSION_1_0 (0x0100) */ if (numCodecs != 1) { WLog_ERR(TAG, "%s: numCodes is 0x%02" PRIX8 " (must be 0x01)", __FUNCTION__, numCodecs); return FALSE; } if (context->codec_id != 0x01) { WLog_ERR(TAG, "%s: invalid codec id (0x%02" PRIX32 ")", __FUNCTION__, context->codec_id); return FALSE; } if (context->codec_version != WF_VERSION_1_0) { WLog_ERR(TAG, "%s: invalid codec version (0x%08" PRIX32 ")", __FUNCTION__, context->codec_version); return FALSE; } WLog_Print(context->priv->log, WLOG_DEBUG, "id %" PRIu32 " version 0x%" PRIX32 ".", context->codec_id, context->codec_version); context->decodedHeaderBlocks |= _RFX_DECODED_VERSIONS; return TRUE; } static BOOL rfx_process_message_channels(RFX_CONTEXT* context, wStream* s) { BYTE channelId; BYTE numChannels; context->decodedHeaderBlocks &= ~_RFX_DECODED_CHANNELS; if (Stream_GetRemainingLength(s) < 1) { WLog_ERR(TAG, "RfxMessageChannels packet too small"); return FALSE; } Stream_Read_UINT8(s, numChannels); /* numChannels (1 byte), must bet set to 0x01 */ /* In RDVH sessions, numChannels will represent the number of virtual monitors * configured and does not always be set to 0x01 as [MS-RDPRFX] said. */ if (numChannels < 1) { WLog_ERR(TAG, "no channels announced"); return FALSE; } if (Stream_GetRemainingLength(s) < (size_t)(numChannels * 5)) { WLog_ERR(TAG, "RfxMessageChannels packet too small for numChannels=%" PRIu8 "", numChannels); return FALSE; } /* RFX_CHANNELT */ Stream_Read_UINT8(s, channelId); /* channelId (1 byte), must be set to 0x00 */ if (channelId != 0x00) { WLog_ERR(TAG, "channelId:0x%02" PRIX8 ", expected:0x00", channelId); return FALSE; } Stream_Read_UINT16(s, context->width); /* width (2 bytes) */ Stream_Read_UINT16(s, context->height); /* height (2 bytes) */ if (!context->width || !context->height) { WLog_ERR(TAG, "%s: invalid channel with/height: %" PRIu16 "x%" PRIu16 "", __FUNCTION__, context->width, context->height); return FALSE; } /* Now, only the first monitor can be used, therefore the other channels will be ignored. */ Stream_Seek(s, 5 * (numChannels - 1)); WLog_Print(context->priv->log, WLOG_DEBUG, "numChannels %" PRIu8 " id %" PRIu8 ", %" PRIu16 "x%" PRIu16 ".", numChannels, channelId, context->width, context->height); context->decodedHeaderBlocks |= _RFX_DECODED_CHANNELS; return TRUE; } static BOOL rfx_process_message_context(RFX_CONTEXT* context, wStream* s) { BYTE ctxId; UINT16 tileSize; UINT16 properties; context->decodedHeaderBlocks &= ~_RFX_DECODED_CONTEXT; if (Stream_GetRemainingLength(s) < 5) { WLog_ERR(TAG, "RfxMessageContext packet too small"); return FALSE; } Stream_Read_UINT8(s, ctxId); /* ctxId (1 byte), must be set to 0x00 */ Stream_Read_UINT16(s, tileSize); /* tileSize (2 bytes), must be set to CT_TILE_64x64 (0x0040) */ Stream_Read_UINT16(s, properties); /* properties (2 bytes) */ WLog_Print(context->priv->log, WLOG_DEBUG, "ctxId %" PRIu8 " tileSize %" PRIu16 " properties 0x%04" PRIX16 ".", ctxId, tileSize, properties); context->properties = properties; context->flags = (properties & 0x0007); if (context->flags == CODEC_MODE) { WLog_Print(context->priv->log, WLOG_DEBUG, "codec is in image mode."); } else { WLog_Print(context->priv->log, WLOG_DEBUG, "codec is in video mode."); } switch ((properties & 0x1E00) >> 9) { case CLW_ENTROPY_RLGR1: context->mode = RLGR1; WLog_Print(context->priv->log, WLOG_DEBUG, "RLGR1."); break; case CLW_ENTROPY_RLGR3: context->mode = RLGR3; WLog_Print(context->priv->log, WLOG_DEBUG, "RLGR3."); break; default: WLog_ERR(TAG, "unknown RLGR algorithm."); return FALSE; } context->decodedHeaderBlocks |= _RFX_DECODED_CONTEXT; return TRUE; } static BOOL rfx_process_message_frame_begin(RFX_CONTEXT* context, RFX_MESSAGE* message, wStream* s, UINT16* pExpectedBlockType) { UINT32 frameIdx; UINT16 numRegions; if (*pExpectedBlockType != WBT_FRAME_BEGIN) { WLog_ERR(TAG, "%s: message unexpected wants WBT_FRAME_BEGIN", __FUNCTION__); return FALSE; } *pExpectedBlockType = WBT_REGION; if (Stream_GetRemainingLength(s) < 6) { WLog_ERR(TAG, "RfxMessageFrameBegin packet too small"); return FALSE; } Stream_Read_UINT32( s, frameIdx); /* frameIdx (4 bytes), if codec is in video mode, must be ignored */ Stream_Read_UINT16(s, numRegions); /* numRegions (2 bytes) */ WLog_Print(context->priv->log, WLOG_DEBUG, "RFX_FRAME_BEGIN: frameIdx: %" PRIu32 " numRegions: %" PRIu16 "", frameIdx, numRegions); return TRUE; } static BOOL rfx_process_message_frame_end(RFX_CONTEXT* context, RFX_MESSAGE* message, wStream* s, UINT16* pExpectedBlockType) { if (*pExpectedBlockType != WBT_FRAME_END) { WLog_ERR(TAG, "%s: message unexpected, wants WBT_FRAME_END", __FUNCTION__); return FALSE; } *pExpectedBlockType = WBT_FRAME_BEGIN; WLog_Print(context->priv->log, WLOG_DEBUG, "RFX_FRAME_END"); return TRUE; } static BOOL rfx_process_message_region(RFX_CONTEXT* context, RFX_MESSAGE* message, wStream* s, UINT16* pExpectedBlockType) { int i; UINT16 regionType; UINT16 numTileSets; RFX_RECT* tmpRects; if (*pExpectedBlockType != WBT_REGION) { WLog_ERR(TAG, "%s: message unexpected wants WBT_REGION", __FUNCTION__); return FALSE; } *pExpectedBlockType = WBT_EXTENSION; if (Stream_GetRemainingLength(s) < 3) { WLog_ERR(TAG, "%s: packet too small (regionFlags/numRects)", __FUNCTION__); return FALSE; } Stream_Seek_UINT8(s); /* regionFlags (1 byte) */ Stream_Read_UINT16(s, message->numRects); /* numRects (2 bytes) */ if (message->numRects < 1) { /* If numRects is zero the decoder must generate a rectangle with coordinates (0, 0, width, height). See [MS-RDPRFX] (revision >= 17.0) 2.2.2.3.3 TS_RFX_REGION https://msdn.microsoft.com/en-us/library/ff635233.aspx */ tmpRects = realloc(message->rects, sizeof(RFX_RECT)); if (!tmpRects) return FALSE; message->numRects = 1; message->rects = tmpRects; message->rects->x = 0; message->rects->y = 0; message->rects->width = context->width; message->rects->height = context->height; return TRUE; } if (Stream_GetRemainingLength(s) < (size_t)(8 * message->numRects)) { WLog_ERR(TAG, "%s: packet too small for num_rects=%" PRIu16 "", __FUNCTION__, message->numRects); return FALSE; } tmpRects = realloc(message->rects, message->numRects * sizeof(RFX_RECT)); if (!tmpRects) return FALSE; message->rects = tmpRects; /* rects */ for (i = 0; i < message->numRects; i++) { RFX_RECT* rect = rfx_message_get_rect(message, i); /* RFX_RECT */ Stream_Read_UINT16(s, rect->x); /* x (2 bytes) */ Stream_Read_UINT16(s, rect->y); /* y (2 bytes) */ Stream_Read_UINT16(s, rect->width); /* width (2 bytes) */ Stream_Read_UINT16(s, rect->height); /* height (2 bytes) */ WLog_Print(context->priv->log, WLOG_DEBUG, "rect %d (x,y=%" PRIu16 ",%" PRIu16 " w,h=%" PRIu16 " %" PRIu16 ").", i, rect->x, rect->y, rect->width, rect->height); } if (Stream_GetRemainingLength(s) < 4) { WLog_ERR(TAG, "%s: packet too small (regionType/numTileSets)", __FUNCTION__); return FALSE; } Stream_Read_UINT16(s, regionType); /*regionType (2 bytes): MUST be set to CBT_REGION (0xCAC1)*/ Stream_Read_UINT16(s, numTileSets); /*numTilesets (2 bytes): MUST be set to 0x0001.*/ if (regionType != CBT_REGION) { WLog_ERR(TAG, "%s: invalid region type 0x%04" PRIX16 "", __FUNCTION__, regionType); return TRUE; } if (numTileSets != 0x0001) { WLog_ERR(TAG, "%s: invalid number of tilesets (%" PRIu16 ")", __FUNCTION__, numTileSets); return FALSE; } return TRUE; } struct _RFX_TILE_PROCESS_WORK_PARAM { RFX_TILE* tile; RFX_CONTEXT* context; }; typedef struct _RFX_TILE_PROCESS_WORK_PARAM RFX_TILE_PROCESS_WORK_PARAM; static void CALLBACK rfx_process_message_tile_work_callback(PTP_CALLBACK_INSTANCE instance, void* context, PTP_WORK work) { RFX_TILE_PROCESS_WORK_PARAM* param = (RFX_TILE_PROCESS_WORK_PARAM*)context; rfx_decode_rgb(param->context, param->tile, param->tile->data, 64 * 4); } static BOOL rfx_process_message_tileset(RFX_CONTEXT* context, RFX_MESSAGE* message, wStream* s, UINT16* pExpectedBlockType) { BOOL rc; int i, close_cnt; BYTE quant; RFX_TILE* tile; RFX_TILE** tmpTiles; UINT32* quants; UINT16 subtype, numTiles; UINT32 blockLen; UINT32 blockType; UINT32 tilesDataSize; PTP_WORK* work_objects = NULL; RFX_TILE_PROCESS_WORK_PARAM* params = NULL; void* pmem; if (*pExpectedBlockType != WBT_EXTENSION) { WLog_ERR(TAG, "%s: message unexpected wants a tileset", __FUNCTION__); return FALSE; } *pExpectedBlockType = WBT_FRAME_END; if (Stream_GetRemainingLength(s) < 14) { WLog_ERR(TAG, "RfxMessageTileSet packet too small"); return FALSE; } Stream_Read_UINT16(s, subtype); /* subtype (2 bytes) must be set to CBT_TILESET (0xCAC2) */ if (subtype != CBT_TILESET) { WLog_ERR(TAG, "invalid subtype, expected CBT_TILESET."); return FALSE; } Stream_Seek_UINT16(s); /* idx (2 bytes), must be set to 0x0000 */ Stream_Seek_UINT16(s); /* properties (2 bytes) */ Stream_Read_UINT8(s, context->numQuant); /* numQuant (1 byte) */ Stream_Seek_UINT8(s); /* tileSize (1 byte), must be set to 0x40 */ if (context->numQuant < 1) { WLog_ERR(TAG, "no quantization value."); return FALSE; } Stream_Read_UINT16(s, numTiles); /* numTiles (2 bytes) */ if (numTiles < 1) { /* Windows Server 2012 (not R2) can send empty tile sets */ return TRUE; } Stream_Read_UINT32(s, tilesDataSize); /* tilesDataSize (4 bytes) */ if (!(pmem = realloc((void*)context->quants, context->numQuant * 10 * sizeof(UINT32)))) return FALSE; quants = context->quants = (UINT32*)pmem; /* quantVals */ if (Stream_GetRemainingLength(s) < (size_t)(context->numQuant * 5)) { WLog_ERR(TAG, "RfxMessageTileSet packet too small for num_quants=%" PRIu8 "", context->numQuant); return FALSE; } for (i = 0; i < context->numQuant; i++) { /* RFX_CODEC_QUANT */ Stream_Read_UINT8(s, quant); *quants++ = (quant & 0x0F); *quants++ = (quant >> 4); Stream_Read_UINT8(s, quant); *quants++ = (quant & 0x0F); *quants++ = (quant >> 4); Stream_Read_UINT8(s, quant); *quants++ = (quant & 0x0F); *quants++ = (quant >> 4); Stream_Read_UINT8(s, quant); *quants++ = (quant & 0x0F); *quants++ = (quant >> 4); Stream_Read_UINT8(s, quant); *quants++ = (quant & 0x0F); *quants++ = (quant >> 4); WLog_Print(context->priv->log, WLOG_DEBUG, "quant %d (%" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32 " %" PRIu32 ").", i, context->quants[i * 10], context->quants[i * 10 + 1], context->quants[i * 10 + 2], context->quants[i * 10 + 3], context->quants[i * 10 + 4], context->quants[i * 10 + 5], context->quants[i * 10 + 6], context->quants[i * 10 + 7], context->quants[i * 10 + 8], context->quants[i * 10 + 9]); } for (i = 0; i < message->numTiles; i++) { ObjectPool_Return(context->priv->TilePool, message->tiles[i]); message->tiles[i] = NULL; } tmpTiles = (RFX_TILE**)realloc(message->tiles, numTiles * sizeof(RFX_TILE*)); if (!tmpTiles) return FALSE; message->tiles = tmpTiles; message->numTiles = numTiles; if (context->priv->UseThreads) { work_objects = (PTP_WORK*)calloc(message->numTiles, sizeof(PTP_WORK)); params = (RFX_TILE_PROCESS_WORK_PARAM*)calloc(message->numTiles, sizeof(RFX_TILE_PROCESS_WORK_PARAM)); if (!work_objects) { free(params); return FALSE; } if (!params) { free(work_objects); return FALSE; } } /* tiles */ close_cnt = 0; rc = TRUE; for (i = 0; i < message->numTiles; i++) { wStream sub; if (!(tile = (RFX_TILE*)ObjectPool_Take(context->priv->TilePool))) { WLog_ERR(TAG, "RfxMessageTileSet failed to get tile from object pool"); rc = FALSE; break; } message->tiles[i] = tile; /* RFX_TILE */ if (Stream_GetRemainingLength(s) < 6) { WLog_ERR(TAG, "RfxMessageTileSet packet too small to read tile %d/%" PRIu16 "", i, message->numTiles); rc = FALSE; break; } Stream_StaticInit(&sub, Stream_Pointer(s), Stream_GetRemainingLength(s)); Stream_Read_UINT16(&sub, blockType); /* blockType (2 bytes), must be set to CBT_TILE (0xCAC3) */ Stream_Read_UINT32(&sub, blockLen); /* blockLen (4 bytes) */ if (!Stream_SafeSeek(s, blockLen)) { rc = FALSE; break; } if ((blockLen < 6 + 13) || (Stream_GetRemainingLength(&sub) < blockLen - 6)) { WLog_ERR(TAG, "RfxMessageTileSet not enough bytes to read tile %d/%" PRIu16 " with blocklen=%" PRIu32 "", i, message->numTiles, blockLen); rc = FALSE; break; } if (blockType != CBT_TILE) { WLog_ERR(TAG, "unknown block type 0x%" PRIX32 ", expected CBT_TILE (0xCAC3).", blockType); rc = FALSE; break; } Stream_Read_UINT8(&sub, tile->quantIdxY); /* quantIdxY (1 byte) */ Stream_Read_UINT8(&sub, tile->quantIdxCb); /* quantIdxCb (1 byte) */ Stream_Read_UINT8(&sub, tile->quantIdxCr); /* quantIdxCr (1 byte) */ Stream_Read_UINT16(&sub, tile->xIdx); /* xIdx (2 bytes) */ Stream_Read_UINT16(&sub, tile->yIdx); /* yIdx (2 bytes) */ Stream_Read_UINT16(&sub, tile->YLen); /* YLen (2 bytes) */ Stream_Read_UINT16(&sub, tile->CbLen); /* CbLen (2 bytes) */ Stream_Read_UINT16(&sub, tile->CrLen); /* CrLen (2 bytes) */ Stream_GetPointer(&sub, tile->YData); if (!Stream_SafeSeek(&sub, tile->YLen)) { rc = FALSE; break; } Stream_GetPointer(&sub, tile->CbData); if (!Stream_SafeSeek(&sub, tile->CbLen)) { rc = FALSE; break; } Stream_GetPointer(&sub, tile->CrData); if (!Stream_SafeSeek(&sub, tile->CrLen)) { rc = FALSE; break; } tile->x = tile->xIdx * 64; tile->y = tile->yIdx * 64; if (context->priv->UseThreads) { if (!params) { rc = FALSE; break; } params[i].context = context; params[i].tile = message->tiles[i]; if (!(work_objects[i] = CreateThreadpoolWork(rfx_process_message_tile_work_callback, (void*)¶ms[i], &context->priv->ThreadPoolEnv))) { WLog_ERR(TAG, "CreateThreadpoolWork failed."); rc = FALSE; break; } SubmitThreadpoolWork(work_objects[i]); close_cnt = i + 1; } else { rfx_decode_rgb(context, tile, tile->data, 64 * 4); } } if (context->priv->UseThreads) { for (i = 0; i < close_cnt; i++) { WaitForThreadpoolWorkCallbacks(work_objects[i], FALSE); CloseThreadpoolWork(work_objects[i]); } } free(work_objects); free(params); for (i = 0; i < message->numTiles; i++) { if (!(tile = message->tiles[i])) continue; tile->YLen = tile->CbLen = tile->CrLen = 0; tile->YData = tile->CbData = tile->CrData = NULL; } return rc; } BOOL rfx_process_message(RFX_CONTEXT* context, const BYTE* data, UINT32 length, UINT32 left, UINT32 top, BYTE* dst, UINT32 dstFormat, UINT32 dstStride, UINT32 dstHeight, REGION16* invalidRegion) { REGION16 updateRegion; UINT32 blockLen; UINT32 blockType; wStream inStream, *s = &inStream; BOOL ok = TRUE; RFX_MESSAGE* message; if (!context || !data || !length) return FALSE; message = &context->currentMessage; Stream_StaticInit(s, (BYTE*)data, length); message->freeRects = TRUE; while (ok && Stream_GetRemainingLength(s) > 6) { wStream subStream; size_t extraBlockLen = 0; /* RFX_BLOCKT */ Stream_Read_UINT16(s, blockType); /* blockType (2 bytes) */ Stream_Read_UINT32(s, blockLen); /* blockLen (4 bytes) */ WLog_Print(context->priv->log, WLOG_DEBUG, "blockType 0x%" PRIX32 " blockLen %" PRIu32 "", blockType, blockLen); if (blockLen < 6) { WLog_ERR(TAG, "blockLen too small(%" PRIu32 ")", blockLen); return FALSE; } if (Stream_GetRemainingLength(s) < blockLen - 6) { WLog_ERR(TAG, "%s: packet too small for blocklen=%" PRIu32 "", __FUNCTION__, blockLen); return FALSE; } if (blockType > WBT_CONTEXT && context->decodedHeaderBlocks != _RFX_DECODED_HEADERS) { WLog_ERR(TAG, "%s: incomplete header blocks processing", __FUNCTION__); return FALSE; } if (blockType >= WBT_CONTEXT && blockType <= WBT_EXTENSION) { /* RFX_CODEC_CHANNELT */ UINT8 codecId; UINT8 channelId; if (Stream_GetRemainingLength(s) < 2) return FALSE; extraBlockLen = 2; Stream_Read_UINT8(s, codecId); /* codecId (1 byte) must be set to 0x01 */ Stream_Read_UINT8(s, channelId); /* channelId (1 byte) 0xFF or 0x00, see below */ if (codecId != 0x01) { WLog_ERR(TAG, "%s: invalid codecId 0x%02" PRIX8 "", __FUNCTION__, codecId); return FALSE; } if (blockType == WBT_CONTEXT) { /* If the blockType is set to WBT_CONTEXT, then channelId MUST be set to 0xFF.*/ if (channelId != 0xFF) { WLog_ERR(TAG, "%s: invalid channelId 0x%02" PRIX8 " for blockType 0x%08" PRIX32 "", __FUNCTION__, channelId, blockType); return FALSE; } } else { /* For all other values of blockType, channelId MUST be set to 0x00. */ if (channelId != 0x00) { WLog_ERR(TAG, "%s: invalid channelId 0x%02" PRIX8 " for blockType WBT_CONTEXT", __FUNCTION__, channelId); return FALSE; } } } Stream_StaticInit(&subStream, Stream_Pointer(s), blockLen - (6 + extraBlockLen)); Stream_Seek(s, blockLen - (6 + extraBlockLen)); switch (blockType) { /* Header messages: * The stream MUST start with the header messages and any of these headers can appear * in the stream at a later stage. The header messages can be repeated. */ case WBT_SYNC: ok = rfx_process_message_sync(context, &subStream); break; case WBT_CONTEXT: ok = rfx_process_message_context(context, &subStream); break; case WBT_CODEC_VERSIONS: ok = rfx_process_message_codec_versions(context, &subStream); break; case WBT_CHANNELS: ok = rfx_process_message_channels(context, &subStream); break; /* Data messages: * The data associated with each encoded frame or image is always bracketed by the * TS_RFX_FRAME_BEGIN (section 2.2.2.3.1) and TS_RFX_FRAME_END (section 2.2.2.3.2) * messages. There MUST only be one TS_RFX_REGION (section 2.2.2.3.3) message per * frame and one TS_RFX_TILESET (section 2.2.2.3.4) message per TS_RFX_REGION. */ case WBT_FRAME_BEGIN: ok = rfx_process_message_frame_begin(context, message, &subStream, &context->expectedDataBlockType); break; case WBT_REGION: ok = rfx_process_message_region(context, message, &subStream, &context->expectedDataBlockType); break; case WBT_EXTENSION: ok = rfx_process_message_tileset(context, message, &subStream, &context->expectedDataBlockType); break; case WBT_FRAME_END: ok = rfx_process_message_frame_end(context, message, &subStream, &context->expectedDataBlockType); break; default: WLog_ERR(TAG, "%s: unknown blockType 0x%" PRIX32 "", __FUNCTION__, blockType); return FALSE; } } if (ok) { UINT32 i, j; UINT32 nbUpdateRects; REGION16 clippingRects; const RECTANGLE_16* updateRects; const DWORD formatSize = GetBytesPerPixel(context->pixel_format); const UINT32 dstWidth = dstStride / GetBytesPerPixel(dstFormat); region16_init(&clippingRects); for (i = 0; i < message->numRects; i++) { RECTANGLE_16 clippingRect; const RFX_RECT* rect = &(message->rects[i]); clippingRect.left = MIN(left + rect->x, dstWidth); clippingRect.top = MIN(top + rect->y, dstHeight); clippingRect.right = MIN(clippingRect.left + rect->width, dstWidth); clippingRect.bottom = MIN(clippingRect.top + rect->height, dstHeight); region16_union_rect(&clippingRects, &clippingRects, &clippingRect); } for (i = 0; i < message->numTiles; i++) { RECTANGLE_16 updateRect; const RFX_TILE* tile = rfx_message_get_tile(message, i); updateRect.left = left + tile->x; updateRect.top = top + tile->y; updateRect.right = updateRect.left + 64; updateRect.bottom = updateRect.top + 64; region16_init(&updateRegion); region16_intersect_rect(&updateRegion, &clippingRects, &updateRect); updateRects = region16_rects(&updateRegion, &nbUpdateRects); for (j = 0; j < nbUpdateRects; j++) { const UINT32 stride = 64 * formatSize; const UINT32 nXDst = updateRects[j].left; const UINT32 nYDst = updateRects[j].top; const UINT32 nXSrc = nXDst - updateRect.left; const UINT32 nYSrc = nYDst - updateRect.top; const UINT32 nWidth = updateRects[j].right - updateRects[j].left; const UINT32 nHeight = updateRects[j].bottom - updateRects[j].top; if (!freerdp_image_copy(dst, dstFormat, dstStride, nXDst, nYDst, nWidth, nHeight, tile->data, context->pixel_format, stride, nXSrc, nYSrc, NULL, FREERDP_FLIP_NONE)) { region16_uninit(&updateRegion); return FALSE; } if (invalidRegion) region16_union_rect(invalidRegion, invalidRegion, &updateRects[j]); } region16_uninit(&updateRegion); } region16_uninit(&clippingRects); return TRUE; } return FALSE; } UINT16 rfx_message_get_tile_count(RFX_MESSAGE* message) { return message->numTiles; } UINT16 rfx_message_get_rect_count(RFX_MESSAGE* message) { return message->numRects; } void rfx_message_free(RFX_CONTEXT* context, RFX_MESSAGE* message) { int i; RFX_TILE* tile; if (message) { if ((message->rects) && (message->freeRects)) { free(message->rects); } if (message->tiles) { for (i = 0; i < message->numTiles; i++) { if (!(tile = message->tiles[i])) continue; if (tile->YCbCrData) { BufferPool_Return(context->priv->BufferPool, tile->YCbCrData); tile->YCbCrData = NULL; } ObjectPool_Return(context->priv->TilePool, (void*)tile); } free(message->tiles); } if (!message->freeArray) free(message); } } static void rfx_update_context_properties(RFX_CONTEXT* context) { UINT16 properties; /* properties in tilesets: note that this has different format from the one in TS_RFX_CONTEXT */ properties = 1; /* lt */ properties |= (context->flags << 1); /* flags */ properties |= (COL_CONV_ICT << 4); /* cct */ properties |= (CLW_XFORM_DWT_53_A << 6); /* xft */ properties |= ((context->mode == RLGR1 ? CLW_ENTROPY_RLGR1 : CLW_ENTROPY_RLGR3) << 10); /* et */ properties |= (SCALAR_QUANTIZATION << 14); /* qt */ context->properties = properties; } static void rfx_write_message_sync(RFX_CONTEXT* context, wStream* s) { Stream_Write_UINT16(s, WBT_SYNC); /* BlockT.blockType (2 bytes) */ Stream_Write_UINT32(s, 12); /* BlockT.blockLen (4 bytes) */ Stream_Write_UINT32(s, WF_MAGIC); /* magic (4 bytes) */ Stream_Write_UINT16(s, WF_VERSION_1_0); /* version (2 bytes) */ } static void rfx_write_message_codec_versions(RFX_CONTEXT* context, wStream* s) { Stream_Write_UINT16(s, WBT_CODEC_VERSIONS); /* BlockT.blockType (2 bytes) */ Stream_Write_UINT32(s, 10); /* BlockT.blockLen (4 bytes) */ Stream_Write_UINT8(s, 1); /* numCodecs (1 byte) */ Stream_Write_UINT8(s, 1); /* codecs.codecId (1 byte) */ Stream_Write_UINT16(s, WF_VERSION_1_0); /* codecs.version (2 bytes) */ } static void rfx_write_message_channels(RFX_CONTEXT* context, wStream* s) { Stream_Write_UINT16(s, WBT_CHANNELS); /* BlockT.blockType (2 bytes) */ Stream_Write_UINT32(s, 12); /* BlockT.blockLen (4 bytes) */ Stream_Write_UINT8(s, 1); /* numChannels (1 byte) */ Stream_Write_UINT8(s, 0); /* Channel.channelId (1 byte) */ Stream_Write_UINT16(s, context->width); /* Channel.width (2 bytes) */ Stream_Write_UINT16(s, context->height); /* Channel.height (2 bytes) */ } static void rfx_write_message_context(RFX_CONTEXT* context, wStream* s) { UINT16 properties; Stream_Write_UINT16(s, WBT_CONTEXT); /* CodecChannelT.blockType (2 bytes) */ Stream_Write_UINT32(s, 13); /* CodecChannelT.blockLen (4 bytes) */ Stream_Write_UINT8(s, 1); /* CodecChannelT.codecId (1 byte) */ Stream_Write_UINT8(s, 0xFF); /* CodecChannelT.channelId (1 byte) */ Stream_Write_UINT8(s, 0); /* ctxId (1 byte) */ Stream_Write_UINT16(s, CT_TILE_64x64); /* tileSize (2 bytes) */ /* properties */ properties = context->flags; /* flags */ properties |= (COL_CONV_ICT << 3); /* cct */ properties |= (CLW_XFORM_DWT_53_A << 5); /* xft */ properties |= ((context->mode == RLGR1 ? CLW_ENTROPY_RLGR1 : CLW_ENTROPY_RLGR3) << 9); /* et */ properties |= (SCALAR_QUANTIZATION << 13); /* qt */ Stream_Write_UINT16(s, properties); /* properties (2 bytes) */ rfx_update_context_properties(context); } static BOOL rfx_compose_message_header(RFX_CONTEXT* context, wStream* s) { if (!Stream_EnsureRemainingCapacity(s, 12 + 10 + 12 + 13)) return FALSE; rfx_write_message_sync(context, s); rfx_write_message_context(context, s); rfx_write_message_codec_versions(context, s); rfx_write_message_channels(context, s); return TRUE; } static int rfx_tile_length(RFX_TILE* tile) { return 19 + tile->YLen + tile->CbLen + tile->CrLen; } static BOOL rfx_write_tile(RFX_CONTEXT* context, wStream* s, RFX_TILE* tile) { UINT32 blockLen; blockLen = rfx_tile_length(tile); if (!Stream_EnsureRemainingCapacity(s, blockLen)) return FALSE; Stream_Write_UINT16(s, CBT_TILE); /* BlockT.blockType (2 bytes) */ Stream_Write_UINT32(s, blockLen); /* BlockT.blockLen (4 bytes) */ Stream_Write_UINT8(s, tile->quantIdxY); /* quantIdxY (1 byte) */ Stream_Write_UINT8(s, tile->quantIdxCb); /* quantIdxCb (1 byte) */ Stream_Write_UINT8(s, tile->quantIdxCr); /* quantIdxCr (1 byte) */ Stream_Write_UINT16(s, tile->xIdx); /* xIdx (2 bytes) */ Stream_Write_UINT16(s, tile->yIdx); /* yIdx (2 bytes) */ Stream_Write_UINT16(s, tile->YLen); /* YLen (2 bytes) */ Stream_Write_UINT16(s, tile->CbLen); /* CbLen (2 bytes) */ Stream_Write_UINT16(s, tile->CrLen); /* CrLen (2 bytes) */ Stream_Write(s, tile->YData, tile->YLen); /* YData */ Stream_Write(s, tile->CbData, tile->CbLen); /* CbData */ Stream_Write(s, tile->CrData, tile->CrLen); /* CrData */ return TRUE; } struct _RFX_TILE_COMPOSE_WORK_PARAM { RFX_TILE* tile; RFX_CONTEXT* context; }; static void CALLBACK rfx_compose_message_tile_work_callback(PTP_CALLBACK_INSTANCE instance, void* context, PTP_WORK work) { RFX_TILE_COMPOSE_WORK_PARAM* param = (RFX_TILE_COMPOSE_WORK_PARAM*)context; rfx_encode_rgb(param->context, param->tile); } static BOOL computeRegion(const RFX_RECT* rects, int numRects, REGION16* region, int width, int height) { int i; const RFX_RECT* rect = rects; const RECTANGLE_16 mainRect = { 0, 0, width, height }; for (i = 0; i < numRects; i++, rect++) { RECTANGLE_16 rect16; rect16.left = rect->x; rect16.top = rect->y; rect16.right = rect->x + rect->width; rect16.bottom = rect->y + rect->height; if (!region16_union_rect(region, region, &rect16)) return FALSE; } return region16_intersect_rect(region, region, &mainRect); } #define TILE_NO(v) ((v) / 64) static BOOL setupWorkers(RFX_CONTEXT* context, int nbTiles) { RFX_CONTEXT_PRIV* priv = context->priv; void* pmem; if (!context->priv->UseThreads) return TRUE; if (!(pmem = realloc((void*)priv->workObjects, sizeof(PTP_WORK) * nbTiles))) return FALSE; priv->workObjects = (PTP_WORK*)pmem; if (!(pmem = realloc((void*)priv->tileWorkParams, sizeof(RFX_TILE_COMPOSE_WORK_PARAM) * nbTiles))) return FALSE; priv->tileWorkParams = (RFX_TILE_COMPOSE_WORK_PARAM*)pmem; return TRUE; } RFX_MESSAGE* rfx_encode_message(RFX_CONTEXT* context, const RFX_RECT* rects, int numRects, BYTE* data, int w, int h, int s) { const UINT32 width = (UINT32)w; const UINT32 height = (UINT32)h; const UINT32 scanline = (UINT32)s; UINT32 i, maxNbTiles, maxTilesX, maxTilesY; UINT32 xIdx, yIdx, regionNbRects; UINT32 gridRelX, gridRelY, ax, ay, bytesPerPixel; RFX_TILE* tile; RFX_RECT* rfxRect; RFX_MESSAGE* message = NULL; PTP_WORK* workObject = NULL; RFX_TILE_COMPOSE_WORK_PARAM* workParam = NULL; BOOL success = FALSE; REGION16 rectsRegion, tilesRegion; RECTANGLE_16 currentTileRect; const RECTANGLE_16* regionRect; const RECTANGLE_16* extents; assert(data); assert(rects); assert(numRects > 0); assert(w > 0); assert(h > 0); assert(s > 0); if (!(message = (RFX_MESSAGE*)calloc(1, sizeof(RFX_MESSAGE)))) return NULL; region16_init(&tilesRegion); region16_init(&rectsRegion); if (context->state == RFX_STATE_SEND_HEADERS) rfx_update_context_properties(context); message->frameIdx = context->frameIdx++; if (!context->numQuant) { if (!(context->quants = (UINT32*)malloc(sizeof(rfx_default_quantization_values)))) goto skip_encoding_loop; CopyMemory(context->quants, &rfx_default_quantization_values, sizeof(rfx_default_quantization_values)); context->numQuant = 1; context->quantIdxY = 0; context->quantIdxCb = 0; context->quantIdxCr = 0; } message->numQuant = context->numQuant; message->quantVals = context->quants; bytesPerPixel = (context->bits_per_pixel / 8); if (!computeRegion(rects, numRects, &rectsRegion, width, height)) goto skip_encoding_loop; extents = region16_extents(&rectsRegion); assert(extents->right - extents->left > 0); assert(extents->bottom - extents->top > 0); maxTilesX = 1 + TILE_NO(extents->right - 1) - TILE_NO(extents->left); maxTilesY = 1 + TILE_NO(extents->bottom - 1) - TILE_NO(extents->top); maxNbTiles = maxTilesX * maxTilesY; if (!(message->tiles = calloc(maxNbTiles, sizeof(RFX_TILE*)))) goto skip_encoding_loop; if (!setupWorkers(context, maxNbTiles)) goto skip_encoding_loop; if (context->priv->UseThreads) { workObject = context->priv->workObjects; workParam = context->priv->tileWorkParams; } regionRect = region16_rects(&rectsRegion, ®ionNbRects); if (!(message->rects = calloc(regionNbRects, sizeof(RFX_RECT)))) goto skip_encoding_loop; message->numRects = regionNbRects; for (i = 0, rfxRect = message->rects; i < regionNbRects; i++, regionRect++, rfxRect++) { UINT32 startTileX = regionRect->left / 64; UINT32 endTileX = (regionRect->right - 1) / 64; UINT32 startTileY = regionRect->top / 64; UINT32 endTileY = (regionRect->bottom - 1) / 64; rfxRect->x = regionRect->left; rfxRect->y = regionRect->top; rfxRect->width = (regionRect->right - regionRect->left); rfxRect->height = (regionRect->bottom - regionRect->top); for (yIdx = startTileY, gridRelY = startTileY * 64; yIdx <= endTileY; yIdx++, gridRelY += 64) { UINT32 tileHeight = 64; if ((yIdx == endTileY) && (gridRelY + 64 > height)) tileHeight = height - gridRelY; currentTileRect.top = gridRelY; currentTileRect.bottom = gridRelY + tileHeight; for (xIdx = startTileX, gridRelX = startTileX * 64; xIdx <= endTileX; xIdx++, gridRelX += 64) { int tileWidth = 64; if ((xIdx == endTileX) && (gridRelX + 64 > width)) tileWidth = width - gridRelX; currentTileRect.left = gridRelX; currentTileRect.right = gridRelX + tileWidth; /* checks if this tile is already treated */ if (region16_intersects_rect(&tilesRegion, ¤tTileRect)) continue; if (!(tile = (RFX_TILE*)ObjectPool_Take(context->priv->TilePool))) goto skip_encoding_loop; tile->xIdx = xIdx; tile->yIdx = yIdx; tile->x = gridRelX; tile->y = gridRelY; tile->scanline = scanline; tile->width = tileWidth; tile->height = tileHeight; ax = gridRelX; ay = gridRelY; if (tile->data && tile->allocated) { free(tile->data); tile->allocated = FALSE; } tile->data = &data[(ay * scanline) + (ax * bytesPerPixel)]; tile->quantIdxY = context->quantIdxY; tile->quantIdxCb = context->quantIdxCb; tile->quantIdxCr = context->quantIdxCr; tile->YLen = tile->CbLen = tile->CrLen = 0; if (!(tile->YCbCrData = (BYTE*)BufferPool_Take(context->priv->BufferPool, -1))) goto skip_encoding_loop; tile->YData = (BYTE*)&(tile->YCbCrData[((8192 + 32) * 0) + 16]); tile->CbData = (BYTE*)&(tile->YCbCrData[((8192 + 32) * 1) + 16]); tile->CrData = (BYTE*)&(tile->YCbCrData[((8192 + 32) * 2) + 16]); message->tiles[message->numTiles] = tile; message->numTiles++; if (context->priv->UseThreads) { workParam->context = context; workParam->tile = tile; if (!(*workObject = CreateThreadpoolWork(rfx_compose_message_tile_work_callback, (void*)workParam, &context->priv->ThreadPoolEnv))) { goto skip_encoding_loop; } SubmitThreadpoolWork(*workObject); workObject++; workParam++; } else { rfx_encode_rgb(context, tile); } if (!region16_union_rect(&tilesRegion, &tilesRegion, ¤tTileRect)) goto skip_encoding_loop; } /* xIdx */ } /* yIdx */ } /* rects */ success = TRUE; skip_encoding_loop: if (success && message->numTiles != maxNbTiles) { if (message->numTiles > 0) { void* pmem = realloc((void*)message->tiles, sizeof(RFX_TILE*) * message->numTiles); if (pmem) message->tiles = (RFX_TILE**)pmem; else success = FALSE; } else success = FALSE; } /* when using threads ensure all computations are done */ if (success) { message->tilesDataSize = 0; workObject = context->priv->workObjects; for (i = 0; i < message->numTiles; i++) { tile = message->tiles[i]; if (context->priv->UseThreads) { if (*workObject) { WaitForThreadpoolWorkCallbacks(*workObject, FALSE); CloseThreadpoolWork(*workObject); } workObject++; } message->tilesDataSize += rfx_tile_length(tile); } region16_uninit(&tilesRegion); region16_uninit(&rectsRegion); return message; } WLog_ERR(TAG, "%s: failed", __FUNCTION__); message->freeRects = TRUE; rfx_message_free(context, message); return NULL; } static RFX_MESSAGE* rfx_split_message(RFX_CONTEXT* context, RFX_MESSAGE* message, int* numMessages, int maxDataSize) { int i, j; UINT32 tileDataSize; RFX_MESSAGE* messages; maxDataSize -= 1024; /* reserve enough space for headers */ *numMessages = ((message->tilesDataSize + maxDataSize) / maxDataSize) * 4; if (!(messages = (RFX_MESSAGE*)calloc((*numMessages), sizeof(RFX_MESSAGE)))) return NULL; j = 0; for (i = 0; i < message->numTiles; i++) { tileDataSize = rfx_tile_length(message->tiles[i]); if ((messages[j].tilesDataSize + tileDataSize) > ((UINT32)maxDataSize)) j++; if (!messages[j].numTiles) { messages[j].frameIdx = message->frameIdx + j; messages[j].numQuant = message->numQuant; messages[j].quantVals = message->quantVals; messages[j].numRects = message->numRects; messages[j].rects = message->rects; messages[j].freeRects = FALSE; messages[j].freeArray = TRUE; if (!(messages[j].tiles = (RFX_TILE**)calloc(message->numTiles, sizeof(RFX_TILE*)))) goto free_messages; } messages[j].tilesDataSize += tileDataSize; messages[j].tiles[messages[j].numTiles++] = message->tiles[i]; message->tiles[i] = NULL; } *numMessages = j + 1; context->frameIdx += j; message->numTiles = 0; return messages; free_messages: for (i = 0; i < j; i++) free(messages[i].tiles); free(messages); return NULL; } RFX_MESSAGE* rfx_encode_messages(RFX_CONTEXT* context, const RFX_RECT* rects, int numRects, BYTE* data, int width, int height, int scanline, int* numMessages, int maxDataSize) { RFX_MESSAGE* message; RFX_MESSAGE* messageList; if (!(message = rfx_encode_message(context, rects, numRects, data, width, height, scanline))) return NULL; if (!(messageList = rfx_split_message(context, message, numMessages, maxDataSize))) { message->freeRects = TRUE; rfx_message_free(context, message); return NULL; } rfx_message_free(context, message); return messageList; } static BOOL rfx_write_message_tileset(RFX_CONTEXT* context, wStream* s, RFX_MESSAGE* message) { int i; RFX_TILE* tile; UINT32 blockLen; UINT32* quantVals; blockLen = 22 + (message->numQuant * 5) + message->tilesDataSize; if (!Stream_EnsureRemainingCapacity(s, blockLen)) return FALSE; Stream_Write_UINT16(s, WBT_EXTENSION); /* CodecChannelT.blockType (2 bytes) */ Stream_Write_UINT32(s, blockLen); /* set CodecChannelT.blockLen (4 bytes) */ Stream_Write_UINT8(s, 1); /* CodecChannelT.codecId (1 byte) */ Stream_Write_UINT8(s, 0); /* CodecChannelT.channelId (1 byte) */ Stream_Write_UINT16(s, CBT_TILESET); /* subtype (2 bytes) */ Stream_Write_UINT16(s, 0); /* idx (2 bytes) */ Stream_Write_UINT16(s, context->properties); /* properties (2 bytes) */ Stream_Write_UINT8(s, message->numQuant); /* numQuant (1 byte) */ Stream_Write_UINT8(s, 0x40); /* tileSize (1 byte) */ Stream_Write_UINT16(s, message->numTiles); /* numTiles (2 bytes) */ Stream_Write_UINT32(s, message->tilesDataSize); /* tilesDataSize (4 bytes) */ quantVals = message->quantVals; for (i = 0; i < message->numQuant * 5; i++) { Stream_Write_UINT8(s, quantVals[0] + (quantVals[1] << 4)); quantVals += 2; } for (i = 0; i < message->numTiles; i++) { if (!(tile = message->tiles[i])) return FALSE; if (!rfx_write_tile(context, s, tile)) return FALSE; } #ifdef WITH_DEBUG_RFX WLog_Print(context->priv->log, WLOG_DEBUG, "numQuant: %" PRIu16 " numTiles: %" PRIu16 " tilesDataSize: %" PRIu32 "", message->numQuant, message->numTiles, message->tilesDataSize); #endif return TRUE; } static BOOL rfx_write_message_frame_begin(RFX_CONTEXT* context, wStream* s, RFX_MESSAGE* message) { if (!Stream_EnsureRemainingCapacity(s, 14)) return FALSE; Stream_Write_UINT16(s, WBT_FRAME_BEGIN); /* CodecChannelT.blockType */ Stream_Write_UINT32(s, 14); /* CodecChannelT.blockLen */ Stream_Write_UINT8(s, 1); /* CodecChannelT.codecId */ Stream_Write_UINT8(s, 0); /* CodecChannelT.channelId */ Stream_Write_UINT32(s, message->frameIdx); /* frameIdx */ Stream_Write_UINT16(s, 1); /* numRegions */ return TRUE; } static BOOL rfx_write_message_region(RFX_CONTEXT* context, wStream* s, RFX_MESSAGE* message) { int i; UINT32 blockLen; blockLen = 15 + (message->numRects * 8); if (!Stream_EnsureRemainingCapacity(s, blockLen)) return FALSE; Stream_Write_UINT16(s, WBT_REGION); /* CodecChannelT.blockType (2 bytes) */ Stream_Write_UINT32(s, blockLen); /* set CodecChannelT.blockLen (4 bytes) */ Stream_Write_UINT8(s, 1); /* CodecChannelT.codecId (1 byte) */ Stream_Write_UINT8(s, 0); /* CodecChannelT.channelId (1 byte) */ Stream_Write_UINT8(s, 1); /* regionFlags (1 byte) */ Stream_Write_UINT16(s, message->numRects); /* numRects (2 bytes) */ for (i = 0; i < message->numRects; i++) { const RFX_RECT* rect = rfx_message_get_rect(message, i); /* Clipping rectangles are relative to destLeft, destTop */ Stream_Write_UINT16(s, rect->x); /* x (2 bytes) */ Stream_Write_UINT16(s, rect->y); /* y (2 bytes) */ Stream_Write_UINT16(s, rect->width); /* width (2 bytes) */ Stream_Write_UINT16(s, rect->height); /* height (2 bytes) */ } Stream_Write_UINT16(s, CBT_REGION); /* regionType (2 bytes) */ Stream_Write_UINT16(s, 1); /* numTilesets (2 bytes) */ return TRUE; } static BOOL rfx_write_message_frame_end(RFX_CONTEXT* context, wStream* s, RFX_MESSAGE* message) { if (!Stream_EnsureRemainingCapacity(s, 8)) return FALSE; Stream_Write_UINT16(s, WBT_FRAME_END); /* CodecChannelT.blockType */ Stream_Write_UINT32(s, 8); /* CodecChannelT.blockLen */ Stream_Write_UINT8(s, 1); /* CodecChannelT.codecId */ Stream_Write_UINT8(s, 0); /* CodecChannelT.channelId */ return TRUE; } BOOL rfx_write_message(RFX_CONTEXT* context, wStream* s, RFX_MESSAGE* message) { if (context->state == RFX_STATE_SEND_HEADERS) { if (!rfx_compose_message_header(context, s)) return FALSE; context->state = RFX_STATE_SEND_FRAME_DATA; } if (!rfx_write_message_frame_begin(context, s, message) || !rfx_write_message_region(context, s, message) || !rfx_write_message_tileset(context, s, message) || !rfx_write_message_frame_end(context, s, message)) { return FALSE; } return TRUE; } BOOL rfx_compose_message(RFX_CONTEXT* context, wStream* s, const RFX_RECT* rects, int numRects, BYTE* data, int width, int height, int scanline) { RFX_MESSAGE* message; BOOL ret = TRUE; if (!(message = rfx_encode_message(context, rects, numRects, data, width, height, scanline))) return FALSE; ret = rfx_write_message(context, s, message); message->freeRects = TRUE; rfx_message_free(context, message); return ret; }