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注：问号以及未注释部分 会在x265-1.8版本内更新 

/****************************************************************************** Copyright (C) 2013 x265 project** Author: Steve Borho 
   
    ** This program is free software; you can redistribute it and/or modify* it under the terms of the GNU General Public License as published by* the Free Software Foundation; either version 2 of the License, or* (at your option) any later version.** This program is distributed in the hope that it will be useful,* but WITHOUT ANY WARRANTY; without even the implied warranty of* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the* GNU General Public License for more details.** You should have received a copy of the GNU General Public License* along with this program; if not, write to the Free Software* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.** This program is also available under a commercial proprietary license.* For more information, contact us at license @ x265.com.*****************************************************************************/#include "framedata.h"#include "picyuv.h"using namespace x265;/** 函数功能    ：初始化/*  调用范围    ：只在Frame::allocEncodeData函数中被调用*/FrameData::FrameData(){    memset(this, 0, sizeof(*this));}/** 函数功能    ：申请一帧CTU的存储空间，初始化CTU、初始化统计信息/*  调用范围    ：只在Frame::allocEncodeData函数中被调用* \返回值       ：申请空间成功为ture，否则为false*/bool FrameData::create(x265_param *param, const SPS& sps){    m_param = param;    //获取配置参数    m_slice  = new Slice;//实例化    m_picCTU = new CUData[sps.numCUsInFrame];//申请一帧CTU个数的空间    m_cuMemPool.create(0, param->internalCsp, sps.numCUsInFrame);//申请CTU内存空间    for (uint32_t ctuAddr = 0; ctuAddr < sps.numCUsInFrame; ctuAddr++)        m_picCTU[ctuAddr].initialize(m_cuMemPool, 0, param->internalCsp, ctuAddr);//初始化函数指针，获取CTU数据相应存储位置    CHECKED_MALLOC(m_cuStat, RCStatCU, sps.numCUsInFrame);    CHECKED_MALLOC(m_rowStat, RCStatRow, sps.numCuInHeight);    reinit(sps);//初始化统计信息    return true;fail:    return false;}/** 函数功能    ：初始化统计信息为0/*  调用范围    ：只在FrameData::create和Frame::reinit函数中被调用* \返回值       ：null*/void FrameData::reinit(const SPS& sps){    memset(m_cuStat, 0, sps.numCUsInFrame * sizeof(*m_cuStat));    memset(m_rowStat, 0, sps.numCuInHeight * sizeof(*m_rowStat));}/** 函数功能    ：释放内存/*  调用范围    ：只在Frame::destroy()和DPB::~DPB()函数中被调用*/void FrameData::destroy(){    delete [] m_picCTU;    delete m_slice;    delete m_saoParam;    m_cuMemPool.destroy();    X265_FREE(m_cuStat);    X265_FREE(m_rowStat);}
   

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