text: /**
   * 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"
  
  #include <sys/timeb.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;
  }
  