d4bdef2916
This reduces the risk for namespace collisions if two processes run the encoder simultaneously without address space layout randomization.
120 lines
4.2 KiB
C
120 lines
4.2 KiB
C
/*!
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* \copy
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* Copyright (c) 2010-2013, Cisco Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* \file mt_defs.h
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*
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* \brief Main macros for multiple threading implementation
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*
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* \date 2/26/2010 Created
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*
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*************************************************************************************
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*/
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#if !defined(MULTIPLE_THREADING_DEFINES_H__)
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#define MULTIPLE_THREADING_DEFINES_H__
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#include "typedefs.h"
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#include "codec_app_def.h"
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#include "wels_const.h"
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#include "WelsThreadLib.h"
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/*
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* MT_DEBUG: output trace MT related into log file
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*/
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//#define MT_DEBUG
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//#define ENABLE_TRACE_MT
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#ifdef MT_ENABLED
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#define DYNAMIC_DETECT_CPU_CORES
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//#if defined(WIN32)
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//#define BIND_CPU_CORES_TO_THREADS // if it is not defined here mean cross cpu cores load balance automatically
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//#endif//WIN32
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#else
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#endif//MT_ENABLED
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#if !defined(MT_ENABLED)
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#if defined(MT_DEBUG)
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#undef MT_DEBUG
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#endif//MT_DEBUG
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#if defined(ENABLE_TRACE_MT)
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#undef ENABLE_TRACE_MT
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#endif//ENABLE_TRACE_MT
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#endif//!MT_ENABLED
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#define THRESHOLD_RMSE_CORE8 0.0320f // v1.1: 0.0320f; v1.0: 0.02f
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#define THRESHOLD_RMSE_CORE4 0.0215f // v1.1: 0.0215f; v1.0: 0.03f
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#define THRESHOLD_RMSE_CORE2 0.0200f // v1.1: 0.0200f; v1.0: 0.04f
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typedef struct TagSliceThreadPrivateData {
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void* pWelsPEncCtx;
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SLayerBSInfo* pLayerBs;
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int32_t iSliceIndex; // slice index, zero based
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int32_t iThreadIndex; // thread index, zero based
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// for dynamic slicing mode
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int32_t iStartMbIndex; // inclusive
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int32_t iEndMbIndex; // exclusive
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} SSliceThreadPrivateData;
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typedef struct TagSliceThreading {
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SSliceThreadPrivateData* pThreadPEncCtx;// thread context, [iThreadIdx]
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char eventNamespace[100];
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WELS_THREAD_HANDLE pThreadHandles[MAX_THREADS_NUM];// thread handles, [iThreadIdx]
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WELS_EVENT pSliceCodedEvent[MAX_THREADS_NUM];// events for slice coded state, [iThreadIdx]
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WELS_EVENT pReadySliceCodingEvent[MAX_THREADS_NUM]; // events for slice coding ready, [iThreadIdx]
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WELS_EVENT pUpdateMbListEvent[MAX_THREADS_NUM]; // signal to update mb list neighbor for various slices
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WELS_EVENT pFinUpdateMbListEvent[MAX_THREADS_NUM]; // signal to indicate finish updating mb list
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#ifdef _WIN32
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WELS_EVENT pFinSliceCodingEvent[MAX_THREADS_NUM]; // notify slice coding thread is done
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WELS_EVENT pExitEncodeEvent[MAX_THREADS_NUM]; // event for exit encoding event
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#else
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WELS_THREAD_HANDLE pUpdateMbListThrdHandles[MAX_THREADS_NUM]; // thread handles for update mb list thread, [iThreadIdx]
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#endif//_WIN32
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WELS_MUTEX mutexSliceNumUpdate; // for dynamic slicing mode MT
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uint32_t* pSliceConsumeTime[MAX_DEPENDENCY_LAYER]; // consuming time for each slice, [iSpatialIdx][uiSliceIdx]
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float* pSliceComplexRatio[MAX_DEPENDENCY_LAYER];
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#ifdef MT_DEBUG
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FILE* pFSliceDiff; // file handle for debug
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#endif//MT_DEBUG
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} SSliceThreading;
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#endif//MULTIPLE_THREADING_DEFINES_H__
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