ref: da0965c42f0b6754c8bff10b1abe7423eac6fcf5
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, bool bNeedLock) {
if (NULL == pCtx) {
return NULL;
}
IWelsTaskManage* pTaskManage;
if (bNeedLock) {
pTaskManage = WELS_NEW_OP (CWelsTaskManageParallel(), CWelsTaskManageParallel);
} else {
pTaskManage = WELS_NEW_OP (CWelsTaskManageBase(), CWelsTaskManageBase);
}
if (pTaskManage) {
pTaskManage->Init (pCtx);
}
return pTaskManage;
}
CWelsTaskManageBase::CWelsTaskManageBase()
: m_pEncCtx (NULL),
m_pThreadPool (NULL),
m_iTaskNum (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)
//printf("CWelsTaskManageBase Init m_iThreadNum %d pEncCtx->iMaxSliceCount=%d\n", m_iThreadNum, pEncCtx->iMaxSliceCount);
m_pcAllTaskList[CWelsBaseTask::WELS_ENC_TASK_ENCODING] = m_cEncodingTaskList;
m_pcAllTaskList[CWelsBaseTask::WELS_ENC_TASK_PREENCODING] = m_cPreEncodingTaskList;
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_iTaskNum = kiTaskCount;
//printf("CWelsTaskManageBase CreateTasks m_iThreadNum %d kiTaskCount=%d\n", m_iThreadNum, kiTaskCount);
return ENC_RETURN_SUCCESS;
}
void CWelsTaskManageBase::DestroyTasks() {
if (m_iTaskNum == 0) {
return;
}
if (m_cEncodingTaskList->size() != m_iTaskNum) {
//printf("m_cEncodingTaskList %d %d\n", static_cast<int32_t>(m_cEncodingTaskList->size()), m_iTaskNum);
//WELS_ERROR_TRACE ("CWelsTaskManage::DestroyTasks: Incorrect task numbers");
}
while (NULL != m_cEncodingTaskList->begin()) {
CWelsBaseTask* pTask = m_cEncodingTaskList->begin();
WELS_DELETE_OP (pTask);
m_cEncodingTaskList->pop_front();
}
//WelsLog (&m_pEncCtx->sLogCtx, WELS_LOG_INFO,
// "[MT] CWelsTaskManageParallel()DestroyTasks, cleaned %d tasks", m_iTaskNum);
//printf ("[MT] CWelsTaskManageBase() DestroyTasks, cleaned %d tasks\n", m_iTaskNum);
m_iTaskNum = 0;
}
void CWelsTaskManageBase::OnTaskMinusOne() {
WelsCommon::CWelsAutoLock cAutoLock (m_cWaitTaskNumLock);
m_iWaitTaskNum --;
if (m_iWaitTaskNum <= 0) {
WelsEventSignal (&m_hTaskEvent);
}
//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;
}
void CWelsTaskManageBase::InitFrame (const int32_t kiCurDid) {
m_iWaitTaskNum = m_pEncCtx->pSvcParam->sSpatialLayers[kiCurDid].sSliceArgument.uiSliceNum;
//printf("InitFrame m_iWaitTaskNum=%d, slice_mode=%d\n", m_iWaitTaskNum, m_pEncCtx->pSvcParam->sSpatialLayers[kiCurDid].sSliceCfg.uiSliceMode);
//TODO: update mbmap;
}
WelsErrorType CWelsTaskManageBase::ExecuteTaskList(TASKLIST_TYPE* pTargetTaskList) {
//printf("ExecuteTasks m_iWaitTaskNum=%d\n", m_iWaitTaskNum);
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;
}
WelsErrorType CWelsTaskManageBase::ExecuteTasks(const CWelsBaseTask::ETaskType iTaskType) {
return ExecuteTaskList(m_pcAllTaskList[iTaskType]);
}
WelsErrorType CWelsTaskManageOne::Init (sWelsEncCtx* pEncCtx) {
Uninit();
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;
}
//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;
}
}