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FreeRDP/libfreerdp/codec/rfx.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* RemoteFX Codec Library
*
* Copyright 2011 Vic Lee
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#include <winpr/crt.h>
#include <winpr/tchar.h>
#include <winpr/sysinfo.h>
#include <winpr/registry.h>
#include <winpr/tchar.h>
#include <freerdp/codec/rfx.h>
#include <freerdp/constants.h>
#include <freerdp/primitives.h>
#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"
#ifndef RFX_INIT_SIMD
#define RFX_INIT_SIMD(_rfx_context) do { } while (0)
#endif
/**
* 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_decode_format_rgb, "rfx_decode_format_rgb");
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_decode_format_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_decode_format_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;
}
void rfx_tile_init(RFX_TILE* tile)
{
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;
}
}
RFX_TILE* rfx_tile_new()
{
RFX_TILE* tile = NULL;
tile = (RFX_TILE*) malloc(sizeof(RFX_TILE));
if (tile)
{
ZeroMemory(tile, sizeof(RFX_TILE));
tile->data = (BYTE*) malloc(4096 * 4); /* 64x64 * 4 */
}
return tile;
}
void rfx_tile_free(RFX_TILE* tile)
{
if (tile)
{
free(tile->data);
free(tile);
}
}
RFX_CONTEXT* rfx_context_new(void)
{
HKEY hKey;
LONG status;
DWORD dwType;
DWORD dwSize;
DWORD dwValue;
SYSTEM_INFO sysinfo;
RFX_CONTEXT* context;
context = (RFX_CONTEXT*) malloc(sizeof(RFX_CONTEXT));
ZeroMemory(context, sizeof(RFX_CONTEXT));
context->priv = (RFX_CONTEXT_PRIV*) malloc(sizeof(RFX_CONTEXT_PRIV));
ZeroMemory(context->priv, sizeof(RFX_CONTEXT_PRIV));
context->priv->TilePool = ObjectPool_New(TRUE);
ObjectPool_Object(context->priv->TilePool)->fnObjectNew = (OBJECT_NEW_FN) rfx_tile_new;
ObjectPool_Object(context->priv->TilePool)->fnObjectInit = (OBJECT_INIT_FN) rfx_tile_init;
ObjectPool_Object(context->priv->TilePool)->fnObjectFree = (OBJECT_FREE_FN) rfx_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.
*/
context->priv->BufferPool = BufferPool_New(TRUE, 8192 + 32, 16);
#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;
context->priv->UseThreads = isVistaOrLater;
}
#else
context->priv->UseThreads = TRUE;
#endif
GetNativeSystemInfo(&sysinfo);
context->priv->MinThreadCount = sysinfo.dwNumberOfProcessors;
context->priv->MaxThreadCount = 0;
status = RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("Software\\FreeRDP\\RemoteFX"), 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)
context->priv->UseThreads = dwValue ? 1 : 0;
if (RegQueryValueEx(hKey, _T("MinThreadCount"), NULL, &dwType, (BYTE*) &dwValue, &dwSize) == ERROR_SUCCESS)
context->priv->MinThreadCount = dwValue;
if (RegQueryValueEx(hKey, _T("MaxThreadCount"), NULL, &dwType, (BYTE*) &dwValue, &dwSize) == ERROR_SUCCESS)
context->priv->MaxThreadCount = dwValue;
RegCloseKey(hKey);
}
if (context->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();
context->priv->ThreadPool = CreateThreadpool(NULL);
InitializeThreadpoolEnvironment(&context->priv->ThreadPoolEnv);
SetThreadpoolCallbackPool(&context->priv->ThreadPoolEnv, context->priv->ThreadPool);
if (context->priv->MinThreadCount)
SetThreadpoolThreadMinimum(context->priv->ThreadPool, context->priv->MinThreadCount);
if (context->priv->MaxThreadCount)
SetThreadpoolThreadMaximum(context->priv->ThreadPool, context->priv->MaxThreadCount);
}
/* initialize the default pixel format */
rfx_context_set_pixel_format(context, RDP_PIXEL_FORMAT_B8G8R8A8);
/* 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;
return context;
}
void rfx_context_free(RFX_CONTEXT* context)
{
free(context->quants);
ObjectPool_Free(context->priv->TilePool);
rfx_profiler_print(context);
rfx_profiler_free(context);
if (context->priv->UseThreads)
{
CloseThreadpool(context->priv->ThreadPool);
DestroyThreadpoolEnvironment(&context->priv->ThreadPoolEnv);
#ifdef WITH_PROFILER
fprintf(stderr, "\nWARNING: Profiling results probably unusable with multithreaded RemoteFX codec!\n");
#endif
}
BufferPool_Free(context->priv->BufferPool);
free(context->priv);
free(context);
}
void rfx_context_set_pixel_format(RFX_CONTEXT* context, RDP_PIXEL_FORMAT pixel_format)
{
context->pixel_format = pixel_format;
switch (pixel_format)
{
case RDP_PIXEL_FORMAT_B8G8R8A8:
case RDP_PIXEL_FORMAT_R8G8B8A8:
context->bits_per_pixel = 32;
break;
case RDP_PIXEL_FORMAT_B8G8R8:
case RDP_PIXEL_FORMAT_R8G8B8:
context->bits_per_pixel = 24;
break;
case RDP_PIXEL_FORMAT_B5G6R5_LE:
case RDP_PIXEL_FORMAT_R5G6B5_LE:
context->bits_per_pixel = 16;
break;
case RDP_PIXEL_FORMAT_P4_PLANER:
context->bits_per_pixel = 4;
break;
case RDP_PIXEL_FORMAT_P8:
context->bits_per_pixel = 8;
break;
default:
context->bits_per_pixel = 0;
break;
}
}
void rfx_context_reset(RFX_CONTEXT* context)
{
context->state = RFX_STATE_SEND_HEADERS;
context->frameIdx = 0;
}
static BOOL rfx_process_message_sync(RFX_CONTEXT* context, wStream* s)
{
UINT32 magic;
/* RFX_SYNC */
if (Stream_GetRemainingLength(s) < 6)
{
DEBUG_WARN("RfxSync packet too small");
return FALSE;
}
Stream_Read_UINT32(s, magic); /* magic (4 bytes), 0xCACCACCA */
if (magic != WF_MAGIC)
{
DEBUG_WARN("invalid magic number 0x%X", magic);
return FALSE;
}
Stream_Read_UINT16(s, context->version); /* version (2 bytes), WF_VERSION_1_0 (0x0100) */
if (context->version != WF_VERSION_1_0)
{
DEBUG_WARN("unknown version number 0x%X", context->version);
return FALSE;
}
DEBUG_RFX("version 0x%X", context->version);
return TRUE;
}
static BOOL rfx_process_message_codec_versions(RFX_CONTEXT* context, wStream* s)
{
BYTE numCodecs;
if (Stream_GetRemainingLength(s) < 1)
{
DEBUG_WARN("RfxCodecVersion packet too small");
return FALSE;
}
Stream_Read_UINT8(s, numCodecs); /* numCodecs (1 byte), must be set to 0x01 */
if (numCodecs != 1)
{
DEBUG_WARN("numCodecs: %d, expected:1", numCodecs);
return FALSE;
}
if (Stream_GetRemainingLength(s) < 2 * numCodecs)
{
DEBUG_WARN("RfxCodecVersion packet too small for numCodecs=%d", numCodecs);
return FALSE;
}
/* RFX_CODEC_VERSIONT */
Stream_Read_UINT8(s, context->codec_id); /* codecId (1 byte) */
Stream_Read_UINT8(s, context->codec_version); /* version (2 bytes) */
DEBUG_RFX("id %d version 0x%X.", context->codec_id, context->codec_version);
return TRUE;
}
static BOOL rfx_process_message_channels(RFX_CONTEXT* context, wStream* s)
{
BYTE channelId;
BYTE numChannels;
if (Stream_GetRemainingLength(s) < 1)
{
DEBUG_WARN("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)
{
DEBUG_WARN("numChannels:%d, expected:1", numChannels);
return TRUE;
}
if (Stream_GetRemainingLength(s) < numChannels * 5)
{
DEBUG_WARN("RfxMessageChannels packet too small for numChannels=%d", numChannels);
return FALSE;
}
/* RFX_CHANNELT */
Stream_Read_UINT8(s, channelId); /* channelId (1 byte) */
Stream_Read_UINT16(s, context->width); /* width (2 bytes) */
Stream_Read_UINT16(s, context->height); /* height (2 bytes) */
/* Now, only the first monitor can be used, therefore the other channels will be ignored. */
Stream_Seek(s, 5 * (numChannels - 1));
DEBUG_RFX("numChannels %d id %d, %dx%d.",
numChannels, channelId, context->width, context->height);
return TRUE;
}
static BOOL rfx_process_message_context(RFX_CONTEXT* context, wStream* s)
{
BYTE ctxId;
UINT16 tileSize;
UINT16 properties;
if (Stream_GetRemainingLength(s) < 5)
{
DEBUG_WARN("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) */
DEBUG_RFX("ctxId %d tileSize %d properties 0x%X.", ctxId, tileSize, properties);
context->properties = properties;
context->flags = (properties & 0x0007);
if (context->flags == CODEC_MODE)
DEBUG_RFX("codec is in image mode.");
else
DEBUG_RFX("codec is in video mode.");
switch ((properties & 0x1E00) >> 9)
{
case CLW_ENTROPY_RLGR1:
context->mode = RLGR1;
DEBUG_RFX("RLGR1.");
break;
case CLW_ENTROPY_RLGR3:
context->mode = RLGR3;
DEBUG_RFX("RLGR3.");
break;
default:
DEBUG_WARN("unknown RLGR algorithm.");
break;
}
return TRUE;
}
static BOOL rfx_process_message_frame_begin(RFX_CONTEXT* context, RFX_MESSAGE* message, wStream* s)
{
UINT32 frameIdx;
UINT16 numRegions;
if (Stream_GetRemainingLength(s) < 6)
{
DEBUG_WARN("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) */
DEBUG_RFX("RFX_FRAME_BEGIN: frameIdx:%d numRegions:%d", frameIdx, numRegions);
return TRUE;
}
static void rfx_process_message_frame_end(RFX_CONTEXT* context, RFX_MESSAGE* message, wStream* s)
{
DEBUG_RFX("RFX_FRAME_END");
}
static BOOL rfx_process_message_region(RFX_CONTEXT* context, RFX_MESSAGE* message, wStream* s)
{
int i;
if (Stream_GetRemainingLength(s) < 3)
{
DEBUG_WARN("RfxMessageRegion packet too small");
return FALSE;
}
Stream_Seek_UINT8(s); /* regionFlags (1 byte) */
Stream_Read_UINT16(s, message->numRects); /* numRects (2 bytes) */
if (message->numRects < 1)
{
DEBUG_WARN("no rects.");
return TRUE;
}
if (Stream_GetRemainingLength(s) < 8 * message->numRects)
{
DEBUG_WARN("RfxMessageRegion packet too small for num_rects=%d", message->numRects);
return FALSE;
}
if (message->rects != NULL)
message->rects = (RFX_RECT*) realloc(message->rects, message->numRects * sizeof(RFX_RECT));
else
message->rects = (RFX_RECT*) malloc(message->numRects * sizeof(RFX_RECT));
/* rects */
for (i = 0; i < message->numRects; i++)
{
/* RFX_RECT */
Stream_Read_UINT16(s, message->rects[i].x); /* x (2 bytes) */
Stream_Read_UINT16(s, message->rects[i].y); /* y (2 bytes) */
Stream_Read_UINT16(s, message->rects[i].width); /* width (2 bytes) */
Stream_Read_UINT16(s, message->rects[i].height); /* height (2 bytes) */
DEBUG_RFX("rect %d (%d %d %d %d).",
i, message->rects[i].x, message->rects[i].y, message->rects[i].width, message->rects[i].height);
}
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;
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)
{
int i;
int pos;
BYTE quant;
RFX_TILE* tile;
UINT32* quants;
UINT16 subtype;
UINT32 blockLen;
UINT32 blockType;
UINT32 tilesDataSize;
PTP_WORK* work_objects = NULL;
RFX_TILE_PROCESS_WORK_PARAM* params = NULL;
if (Stream_GetRemainingLength(s) < 14)
{
DEBUG_WARN("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)
{
DEBUG_WARN("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)
{
DEBUG_WARN("no quantization value.");
return TRUE;
}
Stream_Read_UINT16(s, message->numTiles); /* numTiles (2 bytes) */
if (message->numTiles < 1)
{
DEBUG_WARN("no tiles.");
return TRUE;
}
Stream_Read_UINT32(s, tilesDataSize); /* tilesDataSize (4 bytes) */
if (context->quants != NULL)
context->quants = (UINT32*) realloc((void*) context->quants, context->numQuant * 10 * sizeof(UINT32));
else
context->quants = (UINT32*) malloc(context->numQuant * 10 * sizeof(UINT32));
quants = context->quants;
/* quantVals */
if (Stream_GetRemainingLength(s) < context->numQuant * 5)
{
DEBUG_WARN("RfxMessageTileSet packet too small for num_quants=%d", 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);
DEBUG_RFX("quant %d (%d %d %d %d %d %d %d %d %d %d).",
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]);
}
message->tiles = (RFX_TILE**) malloc(sizeof(RFX_TILE*) * message->numTiles);
ZeroMemory(message->tiles, sizeof(RFX_TILE*) * message->numTiles);
if (context->priv->UseThreads)
{
work_objects = (PTP_WORK*) malloc(sizeof(PTP_WORK) * message->numTiles);
params = (RFX_TILE_PROCESS_WORK_PARAM*) malloc(sizeof(RFX_TILE_PROCESS_WORK_PARAM) * message->numTiles);
}
/* tiles */
for (i = 0; i < message->numTiles; i++)
{
tile = message->tiles[i] = (RFX_TILE*) ObjectPool_Take(context->priv->TilePool);
/* RFX_TILE */
if (Stream_GetRemainingLength(s) < 6)
{
DEBUG_WARN("RfxMessageTileSet packet too small to read tile %d/%d", i, message->numTiles);
return FALSE;
}
Stream_Read_UINT16(s, blockType); /* blockType (2 bytes), must be set to CBT_TILE (0xCAC3) */
Stream_Read_UINT32(s, blockLen); /* blockLen (4 bytes) */
if (Stream_GetRemainingLength(s) < blockLen - 6)
{
DEBUG_WARN("RfxMessageTileSet not enough bytes to read tile %d/%d with blocklen=%d", i, message->numTiles, blockLen);
return FALSE;
}
pos = Stream_GetPosition(s) - 6 + blockLen;
if (blockType != CBT_TILE)
{
DEBUG_WARN("unknown block type 0x%X, expected CBT_TILE (0xCAC3).", blockType);
break;
}
Stream_Read_UINT8(s, tile->quantIdxY); /* quantIdxY (1 byte) */
Stream_Read_UINT8(s, tile->quantIdxCb); /* quantIdxCb (1 byte) */
Stream_Read_UINT8(s, tile->quantIdxCr); /* quantIdxCr (1 byte) */
Stream_Read_UINT16(s, tile->xIdx); /* xIdx (2 bytes) */
Stream_Read_UINT16(s, tile->yIdx); /* yIdx (2 bytes) */
Stream_Read_UINT16(s, tile->YLen); /* YLen (2 bytes) */
Stream_Read_UINT16(s, tile->CbLen); /* CbLen (2 bytes) */
Stream_Read_UINT16(s, tile->CrLen); /* CrLen (2 bytes) */
Stream_GetPointer(s, tile->YData);
Stream_Seek(s, tile->YLen);
Stream_GetPointer(s, tile->CbData);
Stream_Seek(s, tile->CbLen);
Stream_GetPointer(s, tile->CrData);
Stream_Seek(s, tile->CrLen);
tile->x = tile->xIdx * 64;
tile->y = tile->yIdx * 64;
if (context->priv->UseThreads)
{
params[i].context = context;
params[i].tile = message->tiles[i];
work_objects[i] = CreateThreadpoolWork((PTP_WORK_CALLBACK) rfx_process_message_tile_work_callback,
(void*) &params[i], &context->priv->ThreadPoolEnv);
SubmitThreadpoolWork(work_objects[i]);
}
else
{
rfx_decode_rgb(context, tile, tile->data, 64 * 4);
}
Stream_SetPosition(s, pos);
}
if (context->priv->UseThreads)
{
for (i = 0; i < message->numTiles; i++)
{
WaitForThreadpoolWorkCallbacks(work_objects[i], FALSE);
CloseThreadpoolWork(work_objects[i]);
}
free(work_objects);
free(params);
}
for (i = 0; i < message->numTiles; i++)
{
tile = message->tiles[i];
tile->YLen = tile->CbLen = tile->CrLen = 0;
tile->YData = tile->CbData = tile->CrData = NULL;
}
return TRUE;
}
RFX_MESSAGE* rfx_process_message(RFX_CONTEXT* context, BYTE* data, UINT32 length)
{
int pos;
wStream* s;
UINT32 blockLen;
UINT32 blockType;
RFX_MESSAGE* message;
message = (RFX_MESSAGE*) malloc(sizeof(RFX_MESSAGE));
ZeroMemory(message, sizeof(RFX_MESSAGE));
message->freeRects = TRUE;
s = Stream_New(data, length);
while (Stream_GetRemainingLength(s) > 6)
{
/* RFX_BLOCKT */
Stream_Read_UINT16(s, blockType); /* blockType (2 bytes) */
Stream_Read_UINT32(s, blockLen); /* blockLen (4 bytes) */
DEBUG_RFX("blockType 0x%X blockLen %d", blockType, blockLen);
if (blockLen == 0)
{
DEBUG_WARN("zero blockLen");
break;
}
if (Stream_GetRemainingLength(s) < blockLen - 6)
{
DEBUG_WARN("rfx_process_message: packet too small for blocklen=%d", blockLen);
break;
}
pos = Stream_GetPosition(s) - 6 + blockLen;
if (blockType >= WBT_CONTEXT && blockType <= WBT_EXTENSION)
{
/* RFX_CODEC_CHANNELT */
/* codecId (1 byte) must be set to 0x01 */
/* channelId (1 byte) must be set to 0x00 */
if (!Stream_SafeSeek(s, 2))
{
DEBUG_WARN("rfx_process_message: unable to skip RFX_CODEC_CHANNELT");
break;
}
}
switch (blockType)
{
case WBT_SYNC:
rfx_process_message_sync(context, s);
break;
case WBT_CODEC_VERSIONS:
rfx_process_message_codec_versions(context, s);
break;
case WBT_CHANNELS:
rfx_process_message_channels(context, s);
break;
case WBT_CONTEXT:
rfx_process_message_context(context, s);
break;
case WBT_FRAME_BEGIN:
rfx_process_message_frame_begin(context, message, s);
break;
case WBT_FRAME_END:
rfx_process_message_frame_end(context, message, s);
break;
case WBT_REGION:
rfx_process_message_region(context, message, s);
break;
case WBT_EXTENSION:
rfx_process_message_tileset(context, message, s);
break;
default:
DEBUG_WARN("unknown blockType 0x%X", blockType);
break;
}
Stream_SetPosition(s, pos);
}
Stream_Free(s, FALSE);
return message;
}
UINT16 rfx_message_get_tile_count(RFX_MESSAGE* message)
{
return message->numTiles;
}
RFX_TILE* rfx_message_get_tile(RFX_MESSAGE* message, int index)
{
return message->tiles[index];
}
UINT16 rfx_message_get_rect_count(RFX_MESSAGE* message)
{
return message->numRects;
}
RFX_RECT* rfx_message_get_rect(RFX_MESSAGE* message, int index)
{
return &message->rects[index];
}
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++)
{
tile = message->tiles[i];
if (tile->YData)
BufferPool_Return(context->priv->BufferPool, tile->YData);
if (tile->CbData)
BufferPool_Return(context->priv->BufferPool, tile->CbData);
if (tile->CrData)
BufferPool_Return(context->priv->BufferPool, tile->CrData);
ObjectPool_Return(context->priv->TilePool, (void*) tile);
}
free(message->tiles);
}
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, 0); /* 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);
}
void rfx_compose_message_header(RFX_CONTEXT* context, wStream* s)
{
Stream_EnsureRemainingCapacity(s, 12 + 10 + 12 + 13);
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);
}
static int rfx_tile_length(RFX_TILE* tile)
{
return 19 + tile->YLen + tile->CbLen + tile->CrLen;
}
static void rfx_write_tile(RFX_CONTEXT* context, wStream* s, RFX_TILE* tile)
{
UINT32 blockLen;
blockLen = rfx_tile_length(tile);
Stream_EnsureRemainingCapacity(s, blockLen);
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 */
}
struct _RFX_TILE_COMPOSE_WORK_PARAM
{
RFX_TILE* tile;
RFX_CONTEXT* context;
};
typedef struct _RFX_TILE_COMPOSE_WORK_PARAM RFX_TILE_COMPOSE_WORK_PARAM;
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);
}
RFX_MESSAGE* rfx_encode_message(RFX_CONTEXT* context, const RFX_RECT* rects,
int numRects, BYTE* data, int width, int height, int scanline)
{
int i;
int xIdx;
int yIdx;
int numTilesX;
int numTilesY;
RFX_TILE* tile;
RFX_MESSAGE* message = NULL;
PTP_WORK* work_objects = NULL;
RFX_TILE_COMPOSE_WORK_PARAM* params = NULL;
message = (RFX_MESSAGE*) malloc(sizeof(RFX_MESSAGE));
ZeroMemory(message, sizeof(RFX_MESSAGE));
if (context->state == RFX_STATE_SEND_HEADERS)
rfx_update_context_properties(context);
message->frameIdx = context->frameIdx++;
message->numRects = numRects;
message->rects = (RFX_RECT*) rects;
if (!context->numQuant)
{
context->numQuant = 1;
context->quants = (UINT32*) rfx_default_quantization_values;
context->quantIdxY = 0;
context->quantIdxCb = 0;
context->quantIdxCr = 0;
}
message->numQuant = context->numQuant;
message->quantVals = context->quants;
numTilesX = (width + 63) / 64;
numTilesY = (height + 63) / 64;
message->numTiles = numTilesX * numTilesY;
message->tiles = (RFX_TILE**) malloc(sizeof(RFX_TILE) * message->numTiles);
ZeroMemory(message->tiles, sizeof(RFX_TILE) * message->numTiles);
DEBUG_RFX("width: %d height: %d scanline: %d", width, height, scanline);
if (context->priv->UseThreads)
{
work_objects = (PTP_WORK*) malloc(sizeof(PTP_WORK) * message->numTiles);
params = (RFX_TILE_COMPOSE_WORK_PARAM*) malloc(sizeof(RFX_TILE_COMPOSE_WORK_PARAM) * message->numTiles);
}
for (yIdx = 0; yIdx < numTilesY; yIdx++)
{
for (xIdx = 0; xIdx < numTilesX; xIdx++)
{
i = yIdx * numTilesX + xIdx;
tile = message->tiles[i] = (RFX_TILE*) ObjectPool_Take(context->priv->TilePool);
tile->scanline = scanline;
tile->data = data + yIdx * 64 * scanline + xIdx * 8 * context->bits_per_pixel;
tile->width = (xIdx < numTilesX - 1) ? 64 : width - xIdx * 64;
tile->height = (yIdx < numTilesY - 1) ? 64 : height - yIdx * 64;
tile->quantIdxY = context->quantIdxY;
tile->quantIdxCb = context->quantIdxCb;
tile->quantIdxCr = context->quantIdxCr;
tile->xIdx = xIdx;
tile->yIdx = yIdx;
tile->YLen = 0;
tile->CbLen = 0;
tile->CrLen = 0;
tile->YData = (BYTE*) BufferPool_Take(context->priv->BufferPool, -1);
tile->CbData = (BYTE*) BufferPool_Take(context->priv->BufferPool, -1);
tile->CrData = (BYTE*) BufferPool_Take(context->priv->BufferPool, -1);
if (context->priv->UseThreads)
{
params[i].context = context;
params[i].tile = tile;
work_objects[i] = CreateThreadpoolWork((PTP_WORK_CALLBACK) rfx_compose_message_tile_work_callback,
(void*) &params[i], &context->priv->ThreadPoolEnv);
SubmitThreadpoolWork(work_objects[i]);
}
else
{
rfx_encode_rgb(context, tile);
}
}
}
message->tilesDataSize = 0;
for (i = 0; i < message->numTiles; i++)
{
tile = message->tiles[i];
if (context->priv->UseThreads)
{
WaitForThreadpoolWorkCallbacks(work_objects[i], FALSE);
CloseThreadpoolWork(work_objects[i]);
}
message->tilesDataSize += rfx_tile_length(tile);
}
if (context->priv->UseThreads)
{
free(work_objects);
free(params);
}
return message;
}
static void 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;
Stream_EnsureRemainingCapacity(s, blockLen);
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++)
{
tile = message->tiles[i];
rfx_write_tile(context, s, tile);
}
DEBUG_RFX("numQuant: %d numTiles: %d tilesDataSize: %d",
message->numQuant, message->numTiles, message->tilesDataSize);
}
void rfx_write_message_frame_begin(RFX_CONTEXT* context, wStream* s, RFX_MESSAGE* message)
{
Stream_EnsureRemainingCapacity(s, 14);
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 */
}
void rfx_write_message_region(RFX_CONTEXT* context, wStream* s, RFX_MESSAGE* message)
{
int i;
UINT32 blockLen;
blockLen = 15 + (message->numRects * 8);
Stream_EnsureRemainingCapacity(s, blockLen);
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++)
{
Stream_Write_UINT16(s, message->rects[i].x);
Stream_Write_UINT16(s, message->rects[i].y);
Stream_Write_UINT16(s, message->rects[i].width);
Stream_Write_UINT16(s, message->rects[i].height);
}
Stream_Write_UINT16(s, CBT_REGION); /* regionType (2 bytes) */
Stream_Write_UINT16(s, 1); /* numTilesets (2 bytes) */
}
void rfx_write_message_frame_end(RFX_CONTEXT* context, wStream* s, RFX_MESSAGE* message)
{
Stream_EnsureRemainingCapacity(s, 8);
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 */
}
void rfx_write_message(RFX_CONTEXT* context, wStream* s, RFX_MESSAGE* message)
{
if (context->state == RFX_STATE_SEND_HEADERS)
{
rfx_compose_message_header(context, s);
context->state = RFX_STATE_SEND_FRAME_DATA;
}
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);
}
void 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;
message = rfx_encode_message(context, rects, numRects, data, width, height, scanline);
rfx_write_message(context, s, message);
rfx_message_free(context, message);
}
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