//==============================================================================
//
// Copyright (c) 2015-2017 Qualcomm Technologies, Inc.
// All Rights Reserved.
// Confidential and Proprietary - Qualcomm Technologies, Inc.
//
//==============================================================================
# ifndef _SNPE_SNPE_HPP_
# define _SNPE_SNPE_HPP_
# include <map>
# include <vector>
# include "DlSystem/DlOptional.hpp"
# include "DlSystem/DlVersion.hpp"
# include "DlSystem/IBufferAttributes.hpp"
# include "DlSystem/ITensor.hpp"
# include "DlSystem/TensorShape.hpp"
# include "DlSystem/TensorMap.hpp"
# include "DlSystem/String.hpp"
# include "DlSystem/StringList.hpp"
# include "DlSystem/IUserBuffer.hpp"
# include "DlSystem/UserBufferMap.hpp"
# include "DlSystem/ZdlExportDefine.hpp"
namespace zdl {
namespace SNPE
{
class SnpeRuntime ;
}
}
namespace zdl {
namespace DiagLog
{
class IDiagLog ;
}
}
namespace zdl { namespace SNPE {
/** @addtogroup c_plus_plus_apis C++
@ { */
/**
* @ brief .
*
* The SNPE interface class definition
*/
class ZDL_EXPORT SNPE final
{
public :
// keep this undocumented to be hidden in doxygen using HIDE_UNDOC_MEMBERS
explicit SNPE ( std : : unique_ptr < zdl : : SNPE : : SnpeRuntime > & & runtime ) noexcept ;
~ SNPE ( ) ;
/**
* @ brief Gets the names of input tensors to the network
*
* To support multiple input scenarios , where multiple tensors are
* passed through execute ( ) in a TensorMap , each tensor needs to
* be uniquely named . The names of tensors can be retrieved
* through this function .
*
* In the case of a single input , one name will be returned .
*
* @ note Note that because the returned value is an Optional list ,
* the list must be verified as boolean true value before being
* dereferenced .
*
* @ return An Optional List of input tensor names .
*
* @ see zdl : : DlSystem : : Optional
*/
zdl : : DlSystem : : Optional < zdl : : DlSystem : : StringList >
getInputTensorNames ( ) const noexcept ;
/**
* @ brief Gets the names of output tensors to the network
*
* @ return List of output tensor names .
*/
zdl : : DlSystem : : Optional < zdl : : DlSystem : : StringList >
getOutputTensorNames ( ) const noexcept ;
/**
* @ brief Gets the name of output tensor from the input layer name
*
* @ return Output tensor name .
*/
zdl : : DlSystem : : StringList
getOutputTensorNamesByLayerName ( const char * name ) const noexcept ;
/**
* @ brief Processes the input data and returns the output
*
* @ param [ in ] A map of tensors that contains the input data for
* each input . The names of tensors needs to be
* matched with names retrieved through
* getInputTensorNames ( )
*
* @ param [ in , out ] An empty map of tensors that will contain the output
* data of potentially multiple layers ( the key
* in the map is the layer name ) upon return
*
* @ note output tensormap has to be empty . To forward propagate
* and get results in user - supplied tensors , use
* executeWithSuppliedOutputTensors .
*/
bool execute ( const zdl : : DlSystem : : TensorMap & input ,
zdl : : DlSystem : : TensorMap & output ) noexcept ;
/**
* @ brief Processes the input data and returns the output
*
* @ param [ in ] A single tensor contains the input data .
*
* @ param [ in , out ] An empty map of tensors that will contain the output
* data of potentially multiple layers ( the key
* in the map is the layer name ) upon return
*
* @ note output tensormap has to be empty .
*/
bool execute ( const zdl : : DlSystem : : ITensor * input ,
zdl : : DlSystem : : TensorMap & output ) noexcept ;
/**
* @ brief Processes the input data and returns the output , using
* user - supplied buffers
*
* @ param [ in ] A map of UserBuffers that contains the input data for
* each input . The names of UserBuffers needs to be
* matched with names retrieved through
* getInputTensorNames ( )
*
* @ param [ in , out ] A map of UserBuffers that will hold the output
* data of potentially multiple layers ( the key
* in the map is the UserBuffer name )
*
* @ note input and output UserBuffer maps must be fully pre - populated . with
* dimensions matching what the network expects .
* For example , if there are 5 output UserBuffers they all have to be
* present in map .
*
* Caller must guarantee that for the duration of execute ( ) , the buffer
* stored in UserBuffer would remain valid . For more detail on buffer
* ownership and lifetime requirements , please refer to zdl : : DlSystem : : UserBuffer
* documentation .
*/
bool execute ( const zdl : : DlSystem : : UserBufferMap & input ,
const zdl : : DlSystem : : UserBufferMap & output ) noexcept ;
/**
* @ brief Returns the version string embedded at model conversion
* time .
*
* @ return Model version string , which is a free - form string
* supplied at the time of the conversion
*
*/
zdl : : DlSystem : : String getModelVersion ( ) const noexcept ;
/**
* @ brief Returns the dimensions of the input data to the model in the
* form of TensorShape . The dimensions in TensorShape corresponds to
* what the tensor dimensions would need to be for an input tensor to
* the model .
*
* @ param [ in ] layer input name .
*
* @ note Note that this function only makes sense for networks
* that have a fixed input size . For networks in which the
* input size varies with each call of Execute ( ) , this
* function should not be used .
*
* @ note Because the returned type is an Optional instance , it must
* be verified as a boolean true value before being dereferenced .
*
* @ return An Optional instance of TensorShape that maintains dimensions ,
* matching the tensor dimensions for input to the model ,
* where the last entry is the fastest varying dimension , etc .
*
* @ see zdl : : DlSystem : : ITensor
* @ see zdl : : DlSystem : : TensorShape
* @ see zdl : : DlSystem : : Optional
*/
zdl : : DlSystem : : Optional < zdl : : DlSystem : : TensorShape >
getInputDimensions ( ) const noexcept ;
zdl : : DlSystem : : Optional < zdl : : DlSystem : : TensorShape >
getInputDimensions ( const char * name ) const noexcept ;
/**
* @ brief Gets the output layer ( s ) for the network .
*
* Note that the output layers returned by this function may be
* different than those specified when the network was created
* via the zdl : : SNPE : : SNPEBuilder . For example , if the
* network was created in debug mode with no explicit output
* layers specified , this will contain all layers .
*
* @ note Note that because the returned value is an Optional StringList ,
* the list must be verified as a boolean true value before being
* dereferenced .
*
* @ return A List of output layer names .
*
* @ see zdl : : DlSystem : : Optional
*/
zdl : : DlSystem : : Optional < zdl : : DlSystem : : StringList >
getOutputLayerNames ( ) const noexcept ;
/**
* @ brief Returns attributes of buffers used to feed input tensors and receive result from output tensors .
*
* @ param [ in ] Tensor name .
*
* @ return BufferAttributes of input / output tensor named
*/
zdl : : DlSystem : : Optional < zdl : : DlSystem : : IBufferAttributes * > getInputOutputBufferAttributes ( const char * name ) const noexcept ;
zdl : : DlSystem : : Optional < zdl : : DlSystem : : IBufferAttributes * > getInputOutputBufferAttributesTf8 ( const char * name ) const noexcept ;
/**
* @ brief .
*
* Get the diagnostic logging interface
*
* @ note Note that because the returned type is an Optional instance ,
* it must be verified as a boolean true value before being
* dereferenced .
*
* @ see zdl : : DlSystem : : Optional
*/
zdl : : DlSystem : : Optional < zdl : : DiagLog : : IDiagLog * >
getDiagLogInterface ( ) noexcept ;
private :
SNPE ( const SNPE & ) = delete ;
SNPE & operator = ( const SNPE & ) = delete ;
std : : unique_ptr < SnpeRuntime > m_Runtime ;
} ;
/** @} */ /* end_addtogroup c_plus_plus_apis C++ */
} }
# endif
