96 lines
3.8 KiB
C
96 lines
3.8 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* RemoteFX Codec Library - Decode
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*
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* Copyright 2011 Vic Lee
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* Copyright 2011 Norbert Federa <norbert.federa@thincast.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <winpr/stream.h>
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#include <freerdp/primitives.h>
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#include "rfx_types.h"
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#include "rfx_rlgr.h"
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#include "rfx_differential.h"
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#include "rfx_quantization.h"
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#include "rfx_dwt.h"
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#include "rfx_decode.h"
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static void rfx_decode_component(RFX_CONTEXT* context, const UINT32* quantization_values,
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const BYTE* data, int size, INT16* buffer)
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{
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INT16* dwt_buffer;
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dwt_buffer = BufferPool_Take(context->priv->BufferPool, -1); /* dwt_buffer */
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PROFILER_ENTER(context->priv->prof_rfx_decode_component)
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PROFILER_ENTER(context->priv->prof_rfx_rlgr_decode)
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context->rlgr_decode(context->mode, data, size, buffer, 4096);
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PROFILER_EXIT(context->priv->prof_rfx_rlgr_decode)
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PROFILER_ENTER(context->priv->prof_rfx_differential_decode)
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rfx_differential_decode(buffer + 4032, 64);
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PROFILER_EXIT(context->priv->prof_rfx_differential_decode)
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PROFILER_ENTER(context->priv->prof_rfx_quantization_decode)
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context->quantization_decode(buffer, quantization_values);
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PROFILER_EXIT(context->priv->prof_rfx_quantization_decode)
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PROFILER_ENTER(context->priv->prof_rfx_dwt_2d_decode)
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context->dwt_2d_decode(buffer, dwt_buffer);
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PROFILER_EXIT(context->priv->prof_rfx_dwt_2d_decode)
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PROFILER_EXIT(context->priv->prof_rfx_decode_component)
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BufferPool_Return(context->priv->BufferPool, dwt_buffer);
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}
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/* rfx_decode_ycbcr_to_rgb code now resides in the primitives library. */
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/* stride is bytes between rows in the output buffer. */
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BOOL rfx_decode_rgb(RFX_CONTEXT* context, RFX_TILE* tile, BYTE* rgb_buffer, int stride)
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{
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BOOL rc = TRUE;
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BYTE* pBuffer;
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INT16* pSrcDst[3];
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UINT32 *y_quants, *cb_quants, *cr_quants;
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static const prim_size_t roi_64x64 = { 64, 64 };
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const primitives_t* prims = primitives_get();
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PROFILER_ENTER(context->priv->prof_rfx_decode_rgb)
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y_quants = context->quants + (tile->quantIdxY * 10);
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cb_quants = context->quants + (tile->quantIdxCb * 10);
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cr_quants = context->quants + (tile->quantIdxCr * 10);
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pBuffer = (BYTE*)BufferPool_Take(context->priv->BufferPool, -1);
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pSrcDst[0] = (INT16*)((BYTE*)(&pBuffer[((8192 + 32) * 0) + 16])); /* y_r_buffer */
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pSrcDst[1] = (INT16*)((BYTE*)(&pBuffer[((8192 + 32) * 1) + 16])); /* cb_g_buffer */
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pSrcDst[2] = (INT16*)((BYTE*)(&pBuffer[((8192 + 32) * 2) + 16])); /* cr_b_buffer */
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rfx_decode_component(context, y_quants, tile->YData, tile->YLen, pSrcDst[0]); /* YData */
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rfx_decode_component(context, cb_quants, tile->CbData, tile->CbLen, pSrcDst[1]); /* CbData */
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rfx_decode_component(context, cr_quants, tile->CrData, tile->CrLen, pSrcDst[2]); /* CrData */
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PROFILER_ENTER(context->priv->prof_rfx_ycbcr_to_rgb)
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if (prims->yCbCrToRGB_16s8u_P3AC4R((const INT16**)pSrcDst, 64 * sizeof(INT16), rgb_buffer,
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stride, context->pixel_format,
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&roi_64x64) != PRIMITIVES_SUCCESS)
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rc = FALSE;
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PROFILER_EXIT(context->priv->prof_rfx_ycbcr_to_rgb)
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PROFILER_EXIT(context->priv->prof_rfx_decode_rgb)
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BufferPool_Return(context->priv->BufferPool, pBuffer);
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return rc;
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}
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