mirror of https://github.com/FreeRDP/FreeRDP
103 lines
4.0 KiB
C
103 lines
4.0 KiB
C
/**
|
|
* FreeRDP: A Remote Desktop Protocol Implementation
|
|
* RemoteFX Codec Library - Decode
|
|
*
|
|
* Copyright 2011 Vic Lee
|
|
* Copyright 2011 Norbert Federa <norbert.federa@thincast.com>
|
|
*
|
|
* 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>
|
|
|
|
#include <winpr/stream.h>
|
|
#include <freerdp/primitives.h>
|
|
|
|
#include "rfx_types.h"
|
|
#include "rfx_rlgr.h"
|
|
#include "rfx_differential.h"
|
|
#include "rfx_quantization.h"
|
|
#include "rfx_dwt.h"
|
|
|
|
#include "rfx_decode.h"
|
|
|
|
static void rfx_decode_component(RFX_CONTEXT* context,
|
|
const UINT32* quantization_values,
|
|
const BYTE* data, int size, INT16* buffer)
|
|
{
|
|
INT16* dwt_buffer;
|
|
dwt_buffer = BufferPool_Take(context->priv->BufferPool, -1); /* dwt_buffer */
|
|
PROFILER_ENTER(context->priv->prof_rfx_decode_component);
|
|
PROFILER_ENTER(context->priv->prof_rfx_rlgr_decode);
|
|
context->rlgr_decode(context->mode, data, size, buffer, 4096);
|
|
PROFILER_EXIT(context->priv->prof_rfx_rlgr_decode);
|
|
PROFILER_ENTER(context->priv->prof_rfx_differential_decode);
|
|
rfx_differential_decode(buffer + 4032, 64);
|
|
PROFILER_EXIT(context->priv->prof_rfx_differential_decode);
|
|
PROFILER_ENTER(context->priv->prof_rfx_quantization_decode);
|
|
context->quantization_decode(buffer, quantization_values);
|
|
PROFILER_EXIT(context->priv->prof_rfx_quantization_decode);
|
|
PROFILER_ENTER(context->priv->prof_rfx_dwt_2d_decode);
|
|
context->dwt_2d_decode(buffer, dwt_buffer);
|
|
PROFILER_EXIT(context->priv->prof_rfx_dwt_2d_decode);
|
|
PROFILER_EXIT(context->priv->prof_rfx_decode_component);
|
|
BufferPool_Return(context->priv->BufferPool, dwt_buffer);
|
|
}
|
|
|
|
/* rfx_decode_ycbcr_to_rgb code now resides in the primitives library. */
|
|
|
|
/* stride is bytes between rows in the output buffer. */
|
|
BOOL rfx_decode_rgb(RFX_CONTEXT* context, RFX_TILE* tile, BYTE* rgb_buffer,
|
|
int stride)
|
|
{
|
|
BOOL rc = TRUE;
|
|
BYTE* pBuffer;
|
|
INT16* pSrcDst[3];
|
|
UINT32* y_quants, *cb_quants, *cr_quants;
|
|
static const prim_size_t roi_64x64 = { 64, 64 };
|
|
const primitives_t* prims = primitives_get();
|
|
PROFILER_ENTER(context->priv->prof_rfx_decode_rgb);
|
|
y_quants = context->quants + (tile->quantIdxY * 10);
|
|
cb_quants = context->quants + (tile->quantIdxCb * 10);
|
|
cr_quants = context->quants + (tile->quantIdxCr * 10);
|
|
pBuffer = (BYTE*) BufferPool_Take(context->priv->BufferPool, -1);
|
|
pSrcDst[0] = (INT16*)((BYTE*)(&pBuffer[((8192 + 32) * 0) +
|
|
16])); /* y_r_buffer */
|
|
pSrcDst[1] = (INT16*)((BYTE*)(&pBuffer[((8192 + 32) * 1) +
|
|
16])); /* cb_g_buffer */
|
|
pSrcDst[2] = (INT16*)((BYTE*)(&pBuffer[((8192 + 32) * 2) +
|
|
16])); /* cr_b_buffer */
|
|
rfx_decode_component(context, y_quants, tile->YData, tile->YLen,
|
|
pSrcDst[0]); /* YData */
|
|
rfx_decode_component(context, cb_quants, tile->CbData, tile->CbLen,
|
|
pSrcDst[1]); /* CbData */
|
|
rfx_decode_component(context, cr_quants, tile->CrData, tile->CrLen,
|
|
pSrcDst[2]); /* CrData */
|
|
PROFILER_ENTER(context->priv->prof_rfx_ycbcr_to_rgb);
|
|
|
|
if (prims->yCbCrToRGB_16s8u_P3AC4R((const INT16**)pSrcDst, 64 * sizeof(INT16),
|
|
rgb_buffer, stride, context->pixel_format, &roi_64x64) != PRIMITIVES_SUCCESS)
|
|
rc = FALSE;
|
|
|
|
PROFILER_EXIT(context->priv->prof_rfx_ycbcr_to_rgb);
|
|
PROFILER_EXIT(context->priv->prof_rfx_decode_rgb);
|
|
BufferPool_Return(context->priv->BufferPool, pBuffer);
|
|
return rc;
|
|
}
|