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// Copyright 2023 Intel Corporation.
//
// This software and the related documents are Intel copyrighted materials,
// and your use of them is governed by the express license under which they
// were provided to you ("License"). Unless the License provides otherwise,
// you may not use, modify, copy, publish, distribute, disclose or transmit
// this software or the related documents without Intel's prior written
// permission.
//
// This software and the related documents are provided as is, with no express
// or implied warranties, other than those that are expressly stated in the
// License.
#pragma once
#include <semaphore.h>
#include <atomic>
#include <condition_variable>
#include <filesystem>
#include "command_line.h"
#include "inference_engine.hpp"
class SingleInferenceData;
using SingleInferenceDataPtr = std::shared_ptr<SingleInferenceData>;
class StreamingInferenceApp {
friend class SingleInferenceData;
public:
StreamingInferenceApp(int numParams, char* paramValues[]);
~StreamingInferenceApp();
void Usage();
void Run();
bool IsCancelling() { return (_pCancelSemaphore != nullptr); }
static std::mutex _signalMutex;
static std::condition_variable _signalConditionVariable;
static std::chrono::time_point<std::chrono::system_clock> _startTime;
static std::ofstream _resultsStream;
private:
void OsStartup();
bool CheckFileExists(const std::filesystem::path& filename, const std::string& message);
void SetShutdownSemaphore();
void SetReadyForImageStreamSemaphore();
void LoadClassNames();
std::vector<SingleInferenceDataPtr> _inferences;
CommandLine _commandLine;
sem_t* _pCancelSemaphore = nullptr;
sem_t* _pReadyForImageStreamSemaphore = nullptr;
std::string _cancelSemaphoreName;
std::vector<std::string> _imageNetClasses;
};
class SingleInferenceData {
public:
SingleInferenceData(StreamingInferenceApp* pApp, InferenceEngine::ExecutableNetwork& importedNetwork, uint32_t index);
void StartAsync();
void Wait();
void Cancel();
private:
void ProcessResult();
std::shared_ptr<InferenceEngine::Blob> CreateOutputBlob(std::shared_ptr<const InferenceEngine::Data> spOutputInfo);
StreamingInferenceApp* _pApp;
InferenceEngine::ExecutableNetwork& _importedNetwork;
std::shared_ptr<InferenceEngine::Blob> _spOutputBlob;
InferenceEngine::InferRequest _inferenceRequest;
uint32_t _index;
uint32_t _inferenceCount;
static uint32_t _numResults;
static std::atomic<uint32_t> _atomic;
};
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