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tasks
MultiSession.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2016-2017, NVIDIA CORPORATION. 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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* * 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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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TASK_MULTI_SESSION_H
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#define TASK_MULTI_SESSION_H
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#include <list>
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#include <Argus/Argus.h>
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#include "
ITask.h
"
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#include "
Util.h
"
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#include "UniquePointer.h"
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#include "IObserver.h"
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#include "
TrackedUniqueObject.h
"
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namespace
ArgusSamples
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{
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class
SessionPerfTracker;
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/**
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* This task creates one session for each available sensor
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*/
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class
TaskMultiSession
:
public
ITask
,
public
IObserver
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{
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public
:
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TaskMultiSession
();
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virtual
~TaskMultiSession
();
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/** @name ITask methods */
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/**@{*/
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virtual
bool
initialize
();
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virtual
bool
shutdown
();
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virtual
bool
start
();
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virtual
bool
stop
();
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/**@}*/
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private
:
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bool
m_initialized
;
///< set if initialized
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bool
m_running
;
///< set if preview is running
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bool
m_prevRunning
;
///< set if was running before the sensorModeValid is set to false
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/**
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* For each device there is one session with a request. Each request outputs to a stream which
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* is rendered.
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*/
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class
Session
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{
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public
:
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Session
();
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~Session
();
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bool
shutdown
();
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bool
start
();
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bool
stop
();
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bool
initialize
(uint32_t deviceIndex);
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TrackedUniqueObj<Argus::CaptureSession>
m_session
;
///< Argus session
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TrackedUniqueObj<Argus::Request>
m_request
;
///< Argus request
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Argus::UniqueObj<Argus::OutputStream>
m_outputStream
;
///< Argus output stream
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UniquePointer<SessionPerfTracker>
m_perfTracker
;
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};
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std::list<Session*>
m_sessions
;
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bool
shutdownSessions
();
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/**
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* Callback when the sensorModeValid is changed.
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*/
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bool
onSensorModeValidChanged
(
const
Observed &source);
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/**
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* Restart when output size changes
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*/
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bool
restartStreams
(
const
Observed &source);
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};
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};
// namespace ArgusSamples
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#endif // TASK_MULTI_SESSION_H
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