mirror of https://github.com/FreeRDP/FreeRDP
235 lines
7.4 KiB
C
235 lines
7.4 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 <nfedera@thinstuff.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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/* stride is bytes between rows in the output buffer. */
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static void rfx_decode_format_rgb(INT16* r_buf, INT16* g_buf, INT16* b_buf,
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RDP_PIXEL_FORMAT pixel_format, BYTE* dst_buf, int stride)
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{
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primitives_t *prims = primitives_get();
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INT16* r = r_buf;
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INT16* g = g_buf;
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INT16* b = b_buf;
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INT16* pSrc[3];
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static const prim_size_t roi_64x64 = { 64, 64 };
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BYTE* dst = dst_buf;
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int x, y;
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switch (pixel_format)
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{
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case RDP_PIXEL_FORMAT_B8G8R8A8:
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pSrc[0] = r; pSrc[1] = g; pSrc[2] = b;
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prims->RGBToRGB_16s8u_P3AC4R(
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(const INT16 **) pSrc, 64*sizeof(INT16),
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dst, stride, &roi_64x64);
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break;
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case RDP_PIXEL_FORMAT_R8G8B8A8:
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pSrc[0] = b; pSrc[1] = g; pSrc[2] = r;
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prims->RGBToRGB_16s8u_P3AC4R(
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(const INT16 **) pSrc, 64*sizeof(INT16),
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dst, stride, &roi_64x64);
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break;
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case RDP_PIXEL_FORMAT_B8G8R8:
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for (y=0; y<64; y++)
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{
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for (x=0; x<64; x++)
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{
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*dst++ = (BYTE) (*b++);
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*dst++ = (BYTE) (*g++);
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*dst++ = (BYTE) (*r++);
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}
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dst += stride - (64*3);
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}
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break;
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case RDP_PIXEL_FORMAT_R8G8B8:
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for (y=0; y<64; y++)
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{
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for (x=0; x<64; x++)
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{
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*dst++ = (BYTE) (*r++);
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*dst++ = (BYTE) (*g++);
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*dst++ = (BYTE) (*b++);
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}
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dst += stride - (64*3);
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}
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break;
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default:
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break;
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}
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}
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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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rfx_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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struct _RFX_COMPONENT_WORK_PARAM
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{
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int size;
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INT16* buffer;
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const BYTE* data;
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RFX_CONTEXT* context;
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const UINT32* quantization_values;
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};
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typedef struct _RFX_COMPONENT_WORK_PARAM RFX_COMPONENT_WORK_PARAM;
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void CALLBACK rfx_decode_component_work_callback(PTP_CALLBACK_INSTANCE instance, void* context, PTP_WORK work)
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{
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RFX_COMPONENT_WORK_PARAM* param = (RFX_COMPONENT_WORK_PARAM*) context;
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rfx_decode_component(param->context, param->quantization_values, param->data, param->size, param->buffer);
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}
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/* stride is bytes between rows in the output buffer. */
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BOOL rfx_decode_rgb(RFX_CONTEXT* context, wStream* data_in,
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int y_size, const UINT32* y_quants,
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int cb_size, const UINT32* cb_quants,
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int cr_size, const UINT32* cr_quants, BYTE* rgb_buffer, int stride)
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{
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INT16* pSrcDst[3];
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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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pSrcDst[0] = (INT16*)((BYTE*)BufferPool_Take(context->priv->BufferPool, -1) + 16); /* y_r_buffer */
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pSrcDst[1] = (INT16*)((BYTE*)BufferPool_Take(context->priv->BufferPool, -1) + 16); /* cb_g_buffer */
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pSrcDst[2] = (INT16*)((BYTE*)BufferPool_Take(context->priv->BufferPool, -1) + 16); /* cr_b_buffer */
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#if 0
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if (context->priv->UseThreads)
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{
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PTP_WORK work_objects[3];
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RFX_COMPONENT_WORK_PARAM params[3];
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params[0].context = context;
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params[0].quantization_values = y_quants;
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params[0].buffer = stream_get_tail(data_in);
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params[0].capacity = y_size;
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params[0].buffer = pSrcDst[0];
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stream_seek(data_in, y_size);
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params[1].context = context;
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params[1].quantization_values = cb_quants;
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params[1].buffer = stream_get_tail(data_in);
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params[1].capacity = cb_size;
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params[1].buffer = pSrcDst[1];
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stream_seek(data_in, cb_size);
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params[2].context = context;
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params[2].quantization_values = cr_quants;
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params[2].buffer = stream_get_tail(data_in);
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params[2].capacity = cr_size;
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params[2].buffer = pSrcDst[2];
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stream_seek(data_in, cr_size);
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work_objects[0] = CreateThreadpoolWork((PTP_WORK_CALLBACK) rfx_decode_component_work_callback,
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(void*) ¶ms[0], &context->priv->ThreadPoolEnv);
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work_objects[1] = CreateThreadpoolWork((PTP_WORK_CALLBACK) rfx_decode_component_work_callback,
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(void*) ¶ms[1], &context->priv->ThreadPoolEnv);
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work_objects[2] = CreateThreadpoolWork((PTP_WORK_CALLBACK) rfx_decode_component_work_callback,
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(void*) ¶ms[2], &context->priv->ThreadPoolEnv);
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SubmitThreadpoolWork(work_objects[0]);
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SubmitThreadpoolWork(work_objects[1]);
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SubmitThreadpoolWork(work_objects[2]);
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WaitForThreadpoolWorkCallbacks(work_objects[0], FALSE);
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WaitForThreadpoolWorkCallbacks(work_objects[1], FALSE);
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WaitForThreadpoolWorkCallbacks(work_objects[2], FALSE);
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}
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else
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#endif
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{
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if (stream_get_left(data_in) < y_size+cb_size+cr_size)
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{
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DEBUG_WARN("rfx_decode_rgb: packet too small for y_size+cb_size+cr_size");
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return FALSE;
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}
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rfx_decode_component(context, y_quants, stream_get_tail(data_in), y_size, pSrcDst[0]); /* YData */
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stream_seek(data_in, y_size);
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rfx_decode_component(context, cb_quants, stream_get_tail(data_in), cb_size, pSrcDst[1]); /* CbData */
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stream_seek(data_in, cb_size);
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rfx_decode_component(context, cr_quants, stream_get_tail(data_in), cr_size, pSrcDst[2]); /* CrData */
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stream_seek(data_in, cr_size);
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}
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prims->yCbCrToRGB_16s16s_P3P3((const INT16**) pSrcDst, 64 * sizeof(INT16),
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pSrcDst, 64 * sizeof(INT16), &roi_64x64);
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PROFILER_ENTER(context->priv->prof_rfx_decode_format_rgb);
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rfx_decode_format_rgb(pSrcDst[0], pSrcDst[1], pSrcDst[2],
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context->pixel_format, rgb_buffer, stride);
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PROFILER_EXIT(context->priv->prof_rfx_decode_format_rgb);
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PROFILER_EXIT(context->priv->prof_rfx_decode_rgb);
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BufferPool_Return(context->priv->BufferPool, (BYTE*)pSrcDst[0] - 16);
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BufferPool_Return(context->priv->BufferPool, (BYTE*)pSrcDst[1] - 16);
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BufferPool_Return(context->priv->BufferPool, (BYTE*)pSrcDst[2] - 16);
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return TRUE;
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}
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