generated from zhangwei/Matrixai
138 lines
4.2 KiB
C++
138 lines
4.2 KiB
C++
/*
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* Copyright (c) 2016, 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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/**
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* @file
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* <b>NVIDIA Multimedia API: %NvElement Base Class</b>
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*
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* @b This file declares the NvElement base class.
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*/
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#ifndef __NV_ELEMENT_H__
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#define __NV_ELEMENT_H__
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#include <iostream>
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#include <sys/time.h>
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#include <stdint.h>
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#include <string.h>
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#include "NvElementProfiler.h"
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/**
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*
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* @defgroup l4t_mm_nvelement_base_group NvElement Base Class
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* @ingroup l4t_mm_nvelement_group
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*
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* This class is the class from which both V4L2 and non-V4L2
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* components are derived.
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*
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* @{
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*/
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/**
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* Every element has a unique name that can be used for identifying
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* the element in debug logs.
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*
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* @c %NvElement also provides other common functionality, such as keeping
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* track of errors.
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*/
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class NvElement
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{
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public:
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/**
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* Indicates whether the element encountered an error during its operation.
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*
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* @return 0 if no error was encountered, a non-zero value if an
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* error was encountered.
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*/
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virtual int isInError()
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{
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return is_in_error;
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}
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virtual ~NvElement()
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{
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}
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/**
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* Gets profiling data for the element.
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*
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* @return A constant reference to the element's profiling data.
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*/
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void getProfilingData(NvElementProfiler::NvElementProfilerData &data);
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/**
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* Prints profiling data for the element to an output stream.
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*
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* @param[in] out_stream Output stream of type std::ostream to print the
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* data to. It takes the default value std::cout if not specified.
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*/
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void printProfilingStats(std::ostream &out_stream = std::cout);
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/**
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* Enables profiling for the element.
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*/
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virtual void enableProfiling();
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/**
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* Checks whether profiling is enabled for the element.
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*
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* @return Boolean value indicating if profiling is enabled.
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*/
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bool isProfilingEnabled();
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protected:
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/**
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* Creates a new NvElement object with name @a name.
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*
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* If the @a name parameter is NULL, this method sets the internal
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* error variable.
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*
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* @param[in] name If non-NULL, a pointer to the name of the
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* element.
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*/
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NvElement(const char *name, NvElementProfiler::ProfilerField = NvElementProfiler::PROFILER_FIELD_NONE);
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int is_in_error; /**< Indicates if an error was encountered during
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the operation of the element. */
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const char *comp_name; /**< Specifies the name of the component,
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for debugging. */
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NvElementProfiler profiler; /**< Profiler for the element. */
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/**
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* Disallows copy constructor.
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*/
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NvElement(const NvElement& that);
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/**
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* Disallows assignment.
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*/
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void operator=(NvElement const&);
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};
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/** @} */
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#endif
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