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/**
* 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.
*/
#include <freerdp/config.h>
#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"
void rfx_decode_component(RFX_CONTEXT* WINPR_RESTRICT context,
const UINT32* WINPR_RESTRICT quantization_values,
const BYTE* WINPR_RESTRICT data, size_t size,
INT16* WINPR_RESTRICT buffer)
{
INT16* dwt_buffer = NULL;
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, const RFX_TILE* tile, BYTE* rgb_buffer, UINT32 stride)
{
union
{
const INT16** cpv;
INT16** pv;
} cnv;
BOOL rc = TRUE;
BYTE* pBuffer = NULL;
INT16* pSrcDst[3];
UINT32* y_quants = NULL;
UINT32* cb_quants = NULL;
UINT32* cr_quants = NULL;
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)
cnv.pv = pSrcDst;
if (prims->yCbCrToRGB_16s8u_P3AC4R(cnv.cpv, 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;
}
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