ref: cc6b409f1268e82c9d0be946d444131d9422471d
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,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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*
*
* \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;
if (iSpatialLayer > 1) {
pTaskManage = WELS_NEW_OP (CWelsTaskManageMultiD(), CWelsTaskManageMultiD);
} else {
pTaskManage = WELS_NEW_OP (CWelsTaskManageBase(), CWelsTaskManageBase);
}
if (pTaskManage) {
pTaskManage->Init (pCtx);
}
return pTaskManage;
}
CWelsTaskManageBase::CWelsTaskManageBase()
: m_pEncCtx (NULL),
m_pThreadPool (NULL),
m_iTotalTaskNum (0),
m_iWaitTaskNum (0) {
m_cEncodingTaskList = new TASKLIST_TYPE();
m_cPreEncodingTaskList = new TASKLIST_TYPE();
WelsEventOpen (&m_hTaskEvent);
}
CWelsTaskManageBase::~CWelsTaskManageBase() {
//printf ("~CWelsTaskManageBase\n");
Uninit();
}
WelsErrorType CWelsTaskManageBase::Init (sWelsEncCtx* pEncCtx) {
m_pEncCtx = pEncCtx;
m_iThreadNum = m_pEncCtx->pSvcParam->iMultipleThreadIdc;
m_pThreadPool = WELS_NEW_OP (WelsCommon::CWelsThreadPool (this, m_iThreadNum),
WelsCommon::CWelsThreadPool);
WELS_VERIFY_RETURN_IF (ENC_RETURN_MEMALLOCERR, NULL == m_pThreadPool)
m_pcAllTaskList[CWelsBaseTask::WELS_ENC_TASK_ENCODING] = m_cEncodingTaskList;
m_pcAllTaskList[CWelsBaseTask::WELS_ENC_TASK_PREENCODING] = m_cPreEncodingTaskList;
m_iCurrentTaskNum = pEncCtx->pSvcParam->sSpatialLayers[0].sSliceArgument.uiSliceNum;
//printf ("CWelsTaskManageBase Init m_iThreadNum %d m_iCurrentTaskNum %d pEncCtx->iMaxSliceCount %d\n", m_iThreadNum, m_iCurrentTaskNum, pEncCtx->iMaxSliceCount);
return CreateTasks (pEncCtx, pEncCtx->iMaxSliceCount);
}
void CWelsTaskManageBase::Uninit() {
DestroyTasks();
WELS_DELETE_OP (m_pThreadPool);
delete m_cEncodingTaskList;
delete m_cPreEncodingTaskList;
WelsEventClose (&m_hTaskEvent);
}
WelsErrorType CWelsTaskManageBase::CreateTasks (sWelsEncCtx* pEncCtx, const int32_t kiTaskCount) {
CWelsBaseTask* pTask = NULL;
for (int idx = 0; idx < kiTaskCount; idx++) {
pTask = WELS_NEW_OP (CWelsUpdateMbMapTask (pEncCtx, idx), CWelsUpdateMbMapTask);
WELS_VERIFY_RETURN_IF (ENC_RETURN_MEMALLOCERR, NULL == pTask)
m_cPreEncodingTaskList->push_back (pTask);
}
for (int idx = 0; idx < kiTaskCount; idx++) {
pTask = WELS_NEW_OP (CWelsLoadBalancingSlicingEncodingTask (pEncCtx, idx), CWelsLoadBalancingSlicingEncodingTask);
//TODO: set this after loadbalancing flagpTask = WELS_NEW_OP (CWelsSliceEncodingTask (pEncCtx, idx), CWelsSliceEncodingTask);
WELS_VERIFY_RETURN_IF (ENC_RETURN_MEMALLOCERR, NULL == pTask)
m_cEncodingTaskList->push_back (pTask);
}
m_iTotalTaskNum = kiTaskCount;
//printf ("CWelsTaskManageBase CreateTasks m_iThreadNum %d kiTaskCount=%d\n", m_iThreadNum, kiTaskCount);
return ENC_RETURN_SUCCESS;
}
void CWelsTaskManageBase::DestroyTaskList (TASKLIST_TYPE* pTargetTaskList) {
if (pTargetTaskList->size() != m_iTotalTaskNum) {
printf ("pTargetTaskList size=%d m_iTotalTaskNum=%d\n", static_cast<int32_t> (pTargetTaskList->size()),
m_iTotalTaskNum);
}
//printf ("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();
}
}
void CWelsTaskManageBase::DestroyTasks() {
if (m_iTotalTaskNum == 0) {
return;
}
DestroyTaskList (m_cEncodingTaskList);
DestroyTaskList (m_cPreEncodingTaskList);
//printf ("[MT] CWelsTaskManageBase() DestroyTasks, cleaned %d tasks\n", m_iTotalTaskNum);
m_iTotalTaskNum = 0;
}
void CWelsTaskManageBase::OnTaskMinusOne() {
WelsCommon::CWelsAutoLock cAutoLock (m_cWaitTaskNumLock);
m_iWaitTaskNum --;
if (m_iWaitTaskNum <= 0) {
WelsEventSignal (&m_hTaskEvent);
//printf ("OnTaskMinusOne WelsEventSignal m_iWaitTaskNum=%d\n", m_iWaitTaskNum);
}
//printf ("OnTaskMinusOne m_iWaitTaskNum=%d\n", m_iWaitTaskNum);
}
WelsErrorType CWelsTaskManageBase::OnTaskCancelled (WelsCommon::IWelsTask* pTask) {
OnTaskMinusOne();
return ENC_RETURN_SUCCESS;
}
WelsErrorType CWelsTaskManageBase::OnTaskExecuted (WelsCommon::IWelsTask* pTask) {
OnTaskMinusOne();
return ENC_RETURN_SUCCESS;
}
WelsErrorType CWelsTaskManageBase::ExecuteTaskList (TASKLIST_TYPE* pTargetTaskList) {
m_iWaitTaskNum = m_iCurrentTaskNum;
//printf ("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) {
ExecuteTaskList (m_pcAllTaskList[CWelsBaseTask::WELS_ENC_TASK_PREENCODING]);
}
WelsErrorType CWelsTaskManageBase::ExecuteTasks (const CWelsBaseTask::ETaskType iTaskType) {
return ExecuteTaskList (m_pcAllTaskList[iTaskType]);
}
WelsErrorType CWelsTaskManageMultiD::Init (sWelsEncCtx* pEncCtx) {
WelsErrorType ret = CWelsTaskManageBase::Init (pEncCtx);
//TODO: the iMaxTaskNum logic here is for protection for now, may remove later
int32_t iMaxTaskNum = 0;
for (int32_t i = 0; i < m_pEncCtx->pSvcParam->iSpatialLayerNum; i++) {
m_iTaskNumD[i] = m_pEncCtx->pSvcParam->sSpatialLayers[i].sSliceArgument.uiSliceNum;
iMaxTaskNum = WELS_MAX (m_iTaskNumD[i], iMaxTaskNum);
}
//printf("CWelsTaskManageMultiD::Init, m_iTotalTaskNum=%d, iMaxTaskNum=%d\n", m_iTotalTaskNum, iMaxTaskNum);
assert(m_iTotalTaskNum==iMaxTaskNum);
//
return ret;
}
void CWelsTaskManageMultiD::InitFrame (const int32_t kiCurDid) {
//printf("CWelsTaskManageMultiD: InitFrame: m_iCurDid=%d, m_iCurrentTaskNum=%d\n", m_iCurDid, m_iCurrentTaskNum);
m_iCurDid = kiCurDid;
m_iCurrentTaskNum = m_iTaskNumD[kiCurDid];
ExecuteTaskList (m_pcAllTaskList[CWelsBaseTask::WELS_ENC_TASK_PREENCODING]);
}
WelsErrorType CWelsTaskManageMultiD::ExecuteTasks (const CWelsBaseTask::ETaskType iTaskType) {
m_iCurrentTaskNum = m_iTaskNumD[m_iCurDid];
return CWelsTaskManageBase::ExecuteTasks (iTaskType);
}
//TODO: at present there is no diff betweenCWelsTaskManageParallel and CWelsTaskManageBase, to finish later
WelsErrorType CWelsTaskManageParallel::ExecuteTasks (const CWelsBaseTask::ETaskType iTaskType) {
WELS_VERIFY_RETURN_IF (ENC_RETURN_MEMALLOCERR, NULL == m_pThreadPool)
// need lock here?
m_iWaitTaskNum = static_cast<int32_t> (m_cEncodingTaskList->size());
while (NULL != m_cEncodingTaskList->begin()) {
m_pThreadPool->QueueTask (m_cEncodingTaskList->begin());
m_cEncodingTaskList->pop_front();
}
WelsEventWait (&m_hTaskEvent);
return ENC_RETURN_SUCCESS;
}
WelsErrorType CWelsTaskManageParallel::CreateTasks (sWelsEncCtx* pEncCtx, const int32_t kiTaskCount) {
return ENC_RETURN_SUCCESS;
}
// 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->begin()) {
(m_cEncodingTaskList->begin())->Execute();
m_cEncodingTaskList->pop_front();
}
return ENC_RETURN_SUCCESS;
}
// CWelsTaskManageOne is for test
}