ref: c009183e9709a9060c84e33fe375e8ad781d08ff
dir: /codec/encoder/core/src/wels_task_management.cpp/
/*!
* \copy
* Copyright (c) 2009-2015, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
* \file wels_task_management.cpp
*
* \brief function for task management
*
* \date 5/14/2012 Created
*
*************************************************************************************
*/
#include <string.h>
#include <assert.h>
#include "typedefs.h"
#include "utils.h"
#include "WelsLock.h"
#include "memory_align.h"
#include "wels_common_basis.h"
#include "encoder_context.h"
#include "wels_task_base.h"
#include "wels_task_encoder.h"
#include "wels_task_management.h"
namespace WelsEnc {
IWelsTaskManage* IWelsTaskManage::CreateTaskManage (sWelsEncCtx* pCtx, const int32_t iSpatialLayer,
const bool bNeedLock) {
if (NULL == pCtx) {
return NULL;
}
IWelsTaskManage* pTaskManage;
pTaskManage = WELS_NEW_OP (CWelsTaskManageBase(), CWelsTaskManageBase);
WELS_VERIFY_RETURN_IF (NULL, NULL == pTaskManage)
if ( ENC_RETURN_SUCCESS != pTaskManage->Init (pCtx) ) {
pTaskManage->Uninit();
WELS_DELETE_OP(pTaskManage);
}
return pTaskManage;
}
CWelsTaskManageBase::CWelsTaskManageBase()
: m_pEncCtx (NULL),
m_pThreadPool (NULL),
m_iWaitTaskNum (0) {
for (int32_t iDid = 0; iDid < MAX_DEPENDENCY_LAYER; iDid++) {
m_iTaskNum[iDid] = 0;
m_cEncodingTaskList[iDid] = new TASKLIST_TYPE();
m_cPreEncodingTaskList[iDid] = new TASKLIST_TYPE();
}
WelsEventOpen (&m_hTaskEvent);
}
CWelsTaskManageBase::~CWelsTaskManageBase() {
//fprintf(stdout, "~CWelsTaskManageBase\n");
Uninit();
}
WelsErrorType CWelsTaskManageBase::Init (sWelsEncCtx* pEncCtx) {
m_pEncCtx = pEncCtx;
m_iThreadNum = m_pEncCtx->pSvcParam->iMultipleThreadIdc;
int32_t iReturn = ENC_RETURN_SUCCESS;
//fprintf(stdout, "m_pThreadPool = &(CWelsThreadPool::GetInstance, this=%x\n", this);
iReturn = CWelsThreadPool::SetThreadNum (m_iThreadNum);
m_pThreadPool = & (CWelsThreadPool::AddReference ());
if ( (iReturn != ENC_RETURN_SUCCESS) && pEncCtx ) {
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_WARNING, "Set Thread Num to %d did not succeed, current thread num in use: %d",
m_iThreadNum, m_pThreadPool->GetThreadNum());
}
WELS_VERIFY_RETURN_IF (ENC_RETURN_MEMALLOCERR, NULL == m_pThreadPool)
//fprintf(stdout, "m_pThreadPool = &(CWelsThreadPool::GetInstance3\n");
iReturn = ENC_RETURN_SUCCESS;
for (int32_t iDid = 0; iDid < MAX_DEPENDENCY_LAYER; iDid++) {
m_pcAllTaskList[CWelsBaseTask::WELS_ENC_TASK_ENCODING][iDid] = m_cEncodingTaskList[iDid];
m_pcAllTaskList[CWelsBaseTask::WELS_ENC_TASK_UPDATEMBMAP][iDid] = m_cPreEncodingTaskList[iDid];
iReturn |= CreateTasks (pEncCtx, iDid);
}
//fprintf(stdout, "CWelsTaskManageBase Init m_iThreadNum %d m_iCurrentTaskNum %d pEncCtx->iMaxSliceCount %d\n", m_iThreadNum, m_iCurrentTaskNum, pEncCtx->iMaxSliceCount);
return iReturn;
}
void CWelsTaskManageBase::Uninit() {
DestroyTasks();
//fprintf(stdout, "m_pThreadPool = m_pThreadPool->RemoveInstance\n");
m_pThreadPool->RemoveInstance();
//WELS_DELETE_OP (m_pThreadPool);
//fprintf(stdout, "m_pThreadPool = m_pThreadPool->RemoveInstance2\n");
for (int32_t iDid = 0; iDid < MAX_DEPENDENCY_LAYER; iDid++) {
WELS_DELETE_OP(m_cEncodingTaskList[iDid]);
WELS_DELETE_OP(m_cPreEncodingTaskList[iDid]);
}
WelsEventClose (&m_hTaskEvent);
}
WelsErrorType CWelsTaskManageBase::CreateTasks (sWelsEncCtx* pEncCtx, const int32_t kiCurDid) {
CWelsBaseTask* pTask = NULL;
int32_t kiTaskCount;
uint32_t uiSliceMode = pEncCtx->pSvcParam->sSpatialLayers[kiCurDid].sSliceArgument.uiSliceMode;
if (uiSliceMode != SM_SIZELIMITED_SLICE) {
kiTaskCount = m_iTaskNum[kiCurDid] = pEncCtx->pSvcParam->sSpatialLayers[kiCurDid].sSliceArgument.uiSliceNum;
} else {
kiTaskCount = m_iTaskNum[kiCurDid] = pEncCtx->iActiveThreadsNum;
}
for (int idx = 0; idx < kiTaskCount; idx++) {
pTask = WELS_NEW_OP (CWelsUpdateMbMapTask (this, pEncCtx, idx), CWelsUpdateMbMapTask);
WELS_VERIFY_RETURN_IF (ENC_RETURN_MEMALLOCERR, NULL == pTask)
m_cPreEncodingTaskList[kiCurDid]->push_back (pTask);
}
for (int idx = 0; idx < kiTaskCount; idx++) {
if (uiSliceMode == SM_SIZELIMITED_SLICE) {
pTask = WELS_NEW_OP (CWelsConstrainedSizeSlicingEncodingTask (this, pEncCtx, idx),
CWelsConstrainedSizeSlicingEncodingTask);
} else {
if (pEncCtx->pSvcParam->bUseLoadBalancing) {
pTask = WELS_NEW_OP (CWelsLoadBalancingSlicingEncodingTask (this, pEncCtx, idx), CWelsLoadBalancingSlicingEncodingTask);
} else {
pTask = WELS_NEW_OP (CWelsSliceEncodingTask (this, pEncCtx, idx), CWelsSliceEncodingTask);
}
}
WELS_VERIFY_RETURN_IF (ENC_RETURN_MEMALLOCERR, NULL == pTask)
m_cEncodingTaskList[kiCurDid]->push_back (pTask);
}
//fprintf(stdout, "CWelsTaskManageBase CreateTasks m_iThreadNum %d kiTaskCount=%d\n", m_iThreadNum, kiTaskCount);
return ENC_RETURN_SUCCESS;
}
void CWelsTaskManageBase::DestroyTaskList (TASKLIST_TYPE* pTargetTaskList) {
//fprintf(stdout, "CWelsTaskManageBase: pTargetTaskList size=%d m_iTotalTaskNum=%d\n", static_cast<int32_t> (pTargetTaskList->size()), m_iTotalTaskNum);
while (NULL != pTargetTaskList->begin()) {
CWelsBaseTask* pTask = pTargetTaskList->begin();
WELS_DELETE_OP (pTask);
pTargetTaskList->pop_front();
}
pTargetTaskList = NULL;
}
void CWelsTaskManageBase::DestroyTasks() {
for (int32_t iDid = 0; iDid < MAX_DEPENDENCY_LAYER; iDid++) {
if (m_iTaskNum[iDid] > 0) {
DestroyTaskList (m_cEncodingTaskList[iDid]);
DestroyTaskList (m_cPreEncodingTaskList[iDid]);
m_iTaskNum[iDid] = 0;
m_pcAllTaskList[CWelsBaseTask::WELS_ENC_TASK_ENCODING][iDid] = NULL;
}
}
//fprintf(stdout, "[MT] CWelsTaskManageBase() DestroyTasks, cleaned %d tasks\n", m_iTotalTaskNum);
}
void CWelsTaskManageBase::OnTaskMinusOne() {
WelsCommon::CWelsAutoLock cAutoLock (m_cWaitTaskNumLock);
m_iWaitTaskNum --;
if (m_iWaitTaskNum <= 0) {
WelsEventSignal (&m_hTaskEvent);
//fprintf(stdout, "OnTaskMinusOne WelsEventSignal m_iWaitTaskNum=%d\n", m_iWaitTaskNum);
}
//fprintf(stdout, "OnTaskMinusOne m_iWaitTaskNum=%d\n", m_iWaitTaskNum);
}
WelsErrorType CWelsTaskManageBase::OnTaskCancelled() {
OnTaskMinusOne();
return ENC_RETURN_SUCCESS;
}
WelsErrorType CWelsTaskManageBase::OnTaskExecuted() {
OnTaskMinusOne();
return ENC_RETURN_SUCCESS;
}
WelsErrorType CWelsTaskManageBase::ExecuteTaskList (TASKLIST_TYPE** pTaskList) {
m_iWaitTaskNum = m_iTaskNum[m_iCurDid];
TASKLIST_TYPE* pTargetTaskList = (pTaskList[m_iCurDid]);
//fprintf(stdout, "ExecuteTaskList m_iWaitTaskNum=%d\n", m_iWaitTaskNum);
if (0 == m_iWaitTaskNum) {
return ENC_RETURN_SUCCESS;
}
int32_t iCurrentTaskCount = m_iWaitTaskNum; //if directly use m_iWaitTaskNum in the loop make cause sync problem
int32_t iIdx = 0;
while (iIdx < iCurrentTaskCount) {
m_pThreadPool->QueueTask (pTargetTaskList->GetIndexNode (iIdx));
iIdx ++;
}
WelsEventWait (&m_hTaskEvent);
return ENC_RETURN_SUCCESS;
}
void CWelsTaskManageBase::InitFrame (const int32_t kiCurDid) {
m_iCurDid = kiCurDid;
if (m_pEncCtx->pCurDqLayer->bNeedAdjustingSlicing) {
ExecuteTaskList (m_pcAllTaskList[CWelsBaseTask::WELS_ENC_TASK_UPDATEMBMAP]);
}
}
WelsErrorType CWelsTaskManageBase::ExecuteTasks (const CWelsBaseTask::ETaskType iTaskType) {
return ExecuteTaskList (m_pcAllTaskList[iTaskType]);
}
int32_t CWelsTaskManageBase::GetThreadPoolThreadNum() {
return m_pThreadPool->GetThreadNum();
}
// CWelsTaskManageOne is for test
WelsErrorType CWelsTaskManageOne::Init (sWelsEncCtx* pEncCtx) {
m_pEncCtx = pEncCtx;
return CreateTasks (pEncCtx, pEncCtx->iMaxSliceCount);
}
WelsErrorType CWelsTaskManageOne::ExecuteTasks (const CWelsBaseTask::ETaskType iTaskType) {
while (NULL != m_cEncodingTaskList[0]->begin()) {
(m_cEncodingTaskList[0]->begin())->Execute();
m_cEncodingTaskList[0]->pop_front();
}
return ENC_RETURN_SUCCESS;
}
// CWelsTaskManageOne is for test
}