遇到的C++ cli 转 C++ native 为C# 程序提供接口。
接口文件
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#ifndef _ROCKHOPPER_H_
#define _ROCKHOPPER_H_
#ifdef ROCKHOPPER_LIBRARY_STATIC
# define ROCKHOPPER_API_EXPORT
#else
# ifdef _WIN32
# if defined(ROCKHOPPER_EXPORT) /* Visual Studio */
# define ROCKHOPPER_API_EXPORT __declspec(dllexport)
# elif defined(__CYGWIN__) /* Disable this on Cygwin, it doesn't work */
# define ROCKHOPPER_API_EXPORT
# else
# define ROCKHOPPER_API_EXPORT __declspec(dllimport)
# endif
# else
# if defined(ROCKHOPPER_EXPORT)
# define ROCKHOPPER_API_EXPORT __attribute__((visibility("default")))
# else
# define ROCKHOPPER_API_EXPORT
# endif
# endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
// left for compatibility
#define ROCKHOPPER_SUCCESS RH_NO_ERROR
#define ROCKHOPPER_ERROR RH_ERROR_GENERIC
#define ROCKHOPPER_UNKNOWN_ERROR RH_ERROR_GENERIC
#define ROCKHOPPER_INVALID_PARAMETER RH_ERROR_INVALID_PARAM
#define ROCKHOPPER_INVALID_HANDLE_VALUE RH_ERROR_INVALID_HANDLE_VALUE
#define ROCKHOPPER_INVALID_PATH RH_ERROR_INVALID_PATH
// base error codes
#define RH_NO_ERROR 0
#define RH_ERROR_GENERIC -1
#define RH_ERROR_OUT_OF_MEMORY -2
#define RH_ERROR_FILE_IO -3
#define RH_ERROR_INVALID_RESOURCE -4
#define RH_ERROR_INVALID_PARAM -5
#define RH_ERROR_INVALID_HANDLE_VALUE -6
#define RH_ERROR_INVALID_PATH -7
// Threading error codes
#define RH_ERROR_THREAD_ALREADY_STARTED -10
#define RH_ERROR_THREAD_START_FAILED -11
#define RH_ERROR_THREAD_STOP_FAILED -12
#define RH_ERROR_THREAD_NOT_STARTED -13
// Communication error codes
#define RH_ERROR_OUTPUT_BUFFER_FULL -20
#define RH_ERROR_MESSAGE_ENQUEUE_FAILED -21
// Rest error codes
#define RH_ERROR_MODULE_INIT_FAILED -30
#define RH_ERROR_MODULE_NOT_INITIALIZED -31
#define RH_ERROR_ENGINE_NOT_STARTED -32
#define RH_ERROR_ENGINE_WRONG_STATE -33
#define RH_ERROR_MEMORY_COPY -34
#define RH_ERROR_TOO_SMALL_BUFFER -35
#define RH_ERROR_DATA_OVERWRITTEN -36
#define RH_ERROR_NOT_SUPPORTED -37
// Events
#define ROCKHOPPER_EVENT_ON_READY_FOR_SPEECH 1
#define ROCKHOPPER_EVENT_ON_SPEECH_BEGIN 2
#define ROCKHOPPER_EVENT_ON_SPEECH_END 3
#define ROCKHOPPER_EVENT_ON_RMS_CHANGED 4
#define ROCKHOPPER_EVENT_ON_ERROR 5
#define ROCKHOPPER_EVENT_ENGINE_STARTED 6
#define ROCKHOPPER_EVENT_ENGINE_STOPPED 7
typedef void* ASR_HANDLE; // speech recognition engine handle type
typedef void* WFST_HANDLE; // Handle for a (dynamic) WFST resource
typedef enum RockhopperDataType
{
ROCKHOPPER_DATA_TYPE_SAMPLE_INT_16,
ROCKHOPPER_DATA_TYPE_FEATURE_INT_16
} RockhopperDataType;
/// C-style interface used intentionally to allow for bindings in
/// runtimes that don't support/understand C++ name mangling or
/// reference types
typedef long(*UtteranceCallback)(
void* p, // callback function parameter passed in RockhopperFSSetResultCallback
const short* samples, // Data buffer with utterance samples. Samples are sent only for final result.
// Utterance longer than source buffer length will be passed without samples(null pointer).
int nSamples, // number of samples in buffer
const char* utteranceId, // wall clock time when utterance begins
const char* utteranceText, // recognized text
float score, // recognition score (LM)
int isFinal // 0: partial result, 1: final result (end of utterance)
);
typedef void(*EventCallback)(
void* p, // callback function parameter passed in RockhopperFSSetEventCallback
int eventCode, // event code
int value); // event value
#pragma pack(push, 4)
typedef struct _AsrEngineStatistics {
union {
struct {
unsigned int speech : 1;
unsigned int frontend : 3;
unsigned int scorer : 3;
unsigned int decoder : 3;
unsigned int reserved : 22;
} fields;
int value;
} state;
int signalvl;
int samples_captured_ms;
int frames_extracted_ms;
int frames_decoded_ms;
float uttRtFactor;
int utt_min_snr;
int utt_max_snr;
int utt_snr;
} AsrEngineStatistics;
#pragma pack(pop)
/**
* Initialize the ASR engine component.
*
* @param configurationFilename - absolute path to configuration file the ASR engine shall
* read all its configuration parameters from
* @param resourceDirectory - absolute path to resources listed in config file if relative path used
* @param userResourceDirectory - absolute path to user resources (e.g. dynamic lexicon)
* listed in config file if relative path used
* @param [outptr] asrengine - handle to ASR engine
* @return One of:
* - ROCKHOPPER_SUCCESS (initialization completed successfully),
* - ROCKHOPPER_INVALID_PATH (cannot access the indicated configurationFilename),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSInitialize(const char* configurationFilename, const char* resourceDirectory,
const char* userResourceDirectory, ASR_HANDLE* asrengine);
/**
* Update dynamic resource from a lexicon and a text acceptor WFST.
*
* @param configurationFilename - absolute path to configuration file the ASR engine shall
* read all its configuration parameters from
* @param resourceDirectory - absolute path of resource data folder (e.g. acoustic model)
* @param userResourceDirectory - absolute path to target folder to contain user generated data
* (e.g. dynamic lexicon)
* @param tagId - ID of meta tag in CL statistical language model the dictionary is "plugged in"
* @param wfst - Grammar wfst used for vocabulary.
*
* @return One of:
* - ROCKHOPPER_SUCCESS (dynamic lexicon update completed successfully),
* - ROCKHOPPER_INVALID_PATH (cannot access the indicated configurationFilename),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSUpdateDynResource(const char* configurationFilename,
const char* resourceDirectory, const char* userResourceDirectory, int tagId,
WFST_HANDLE wfst);
/**
* Set callback for result processing.
*
* @param [in] asrengine - handle to ASR engine
* @param [in] rescallback - result callback implementation to be invoked once
* utternace or its fragment is recognized
* @param [in] p - callback parameter
* @return One of:
* - ROCKHOPPER_SUCCESS (callback set successfully),
* - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSSetResultCallback(ASR_HANDLE asrengine,
UtteranceCallback callback, const void* p);
/**
* Set callback for events like start / stop engine, ready for speech, speech begin/end, error.
*
* @param [in] asrengine handle to ASR engine
* @param [in] evtcallback - event callback called whenever engine state is changing
* @param [in] p - callback parameter
* @return One of:
* - ROCKHOPPER_SUCCESS (callback set successfully),
* - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSSetEventCallback(ASR_HANDLE asrengine,
EventCallback callback, const void* p);
/**
* Start phrase detection process.
* In response to this method the engine is expected to initialize the
* recognition and continue until a call to stop function is received.
*
* @param [in] asrengine - handle to ASR engine
* @return One of:
* - ROCKHOPPER_SUCCESS (started successfully),
* - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSStartEngine(ASR_HANDLE asrengine);
/**
* Stop Rockhopper engine - resources are not released.
*
* @param [in] asrengine - handle to ASR engine
* @param [in] waitForEndOfUtteranceProcessing - flag:
* True - requests deffered stop, routine does not return till last
* samples/frames in all intermediate buffers are processed
* False - stops immediately if not doing batch file processing
* @return One of:
* - ROCKHOPPER_SUCCESS (stopped successfully),
* - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle) ,
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
#ifdef __cplusplus
ROCKHOPPER_API_EXPORT int RockhopperFSStopEngine(ASR_HANDLE asrengine, int waitForEndOfUtteranceProcessing = 1);
#else
ROCKHOPPER_API_EXPORT int RockhopperFSStopEngine(ASR_HANDLE asrengine, int waitForEndOfUtteranceProcessing);
#endif
/**
* Release resources of Rockhopper engine.
*
* @param [in] asrengine - handle to ASR engine
* @return One of:
* - ROCKHOPPER_SUCCESS (released successfully),
* - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSReleaseEngine(ASR_HANDLE asrengine);
/**
* Read current Rockhopper state & statistics.
*
* @param [in] asrengine - handle to ASR engine
* @param [inout] stats - pointer to statistics buffer
* @return One of:
* - ROCKHOPPER_SUCCESS (stopped successfully),
* - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSGetStatistics(ASR_HANDLE asrengine, AsrEngineStatistics* stats);
/**
* Feed stream source with samples from external application.
*
* @param [in] asrengine - handle to ASR engine
* @param [in] samples - samples buffer 16kHz mono 16bit resolution
* @param [in] nSamples - number of samples
* @return number of samples consumed by ASR engine ( >=0 ) or STATUS code ( <0 ):
* - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSPushSamples(ASR_HANDLE asrengine, short* samples, int nSamples);
/**
* Feed stream source with data from external application.
*
* @param [in] asrengine - handle to ASR engine
* @param [in] data - pointer to buffer with data to push
* @param [in] elementsCount - number of elements of data, in case of:
* SAMPLE_INT_16 it is the number of samples
* FEATURE_INT_16 it is the number of features
* (must be aligned to features per frame set in config file)
* @param [in] type - type of data to push
* @return number of samples consumed by ASR engine ( >=0 ) or STATUS code ( <0 ):
* - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSPushData(ASR_HANDLE asrengine, void* data,
int elementsCount, RockhopperDataType type);
/**
* Convert grammar specified in JSGF to a WFST
* The WFST is a transducer with input and output labels
*
* @param [in] configurationFilename - absoulute path to configuration file
* the asr engine shall read all it's configuration parameters from
* @param [in] grammar - string buffer representing grammar in JSGF, null terminated
* (http://www.w3.org/TR/2000/NOTE-jsgf-20000605/)
* @param [in] grammarRule - root rule name (if not specified first public rule is selected)
* @param [in] grammarSize - Size of the grammar string buffer including terminating null
* @param [in] grammarRuleSize = Size of the grammarRule buffer including terminating null
* @param [in] firstWordID - Word ID of the first word in the generated WFST.
* It is important that word IDs of different resources do not overlap.
* @param [out] wfst - handle to resulting grammar WFST
*
* @return One of:
* - ROCKHOPPER_SUCCESS (grammar converted successfully),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSConvertJSGFToFST(const char *configurationFilename,
const char* grammar,
const char* grammarRule,
int grammarSize,
int grammarRuleSize,
int firstWordID,
WFST_HANDLE* wfst);
/**
* Convert ARPA statistical language model into WFST that can be used with
* RockhopperFSUpdateDynResource() to create dynamic recognition resources
*
* @param [in] configurationFilename - absoulute path to configuration file
* the asr engine shall read all it's configuration parameters from
* @param [in] arpa - string buffer representing grammar in ARPA format
* @param [in] arpaSize - Size of the arpa string buffer
* @param [in] firstWordID - Word ID of the first word in the generated WFST.
* It is important that word IDs of different resources do not overlap.
* @param [out] wfst - handle to resulting grammar WFST
*
* @return One of:
* - ROCKHOPPER_SUCCESS (grammar converted successfully),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSConvertARPAToFST(const char *configurationFilename,
const char* arpa,
int arpaSize,
int firstWordID,
WFST_HANDLE* wfst);
/**
* Convert list of phrases into a Rockhopper WFST that can be used with
* RockhopperFSUpdateDynResource() to create dynamic recognition resources
*
* @param [in] configurationFilename - absoulute path to configuration file
* the asr engine shall read all it's configuration parameters from
* @param [in] phrases - string buffer representing grammar in JSGF
* The different phrases are separated by the newline character '\n'
* @param [in] phrasesSize - Size of the phrases string buffer
* @param [in] firstWordID - Word ID of the first word in the generated WFST.
* It is important that word IDs of different resources do not overlap.
* @param [out] wfst - handle to resulting phrase grammar WFST
*
* @return One of:
* - ROCKHOPPER_SUCCESS (grammar converted successfully),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSConvertPhrasesToFST(const char* configurationFilename,
const char* phrases,
int phrasesSize,
int firstWordID,
WFST_HANDLE* wfst);
/**
* Convert AT&T (OpenFST) ASCII text representation of a WFST into
* a Rockhopper WFST.
*
* @param [in] configurationFilename - absoulute path to configuration file
* the asr engine shall read all it's configuration parameters from
* @param [in] wfst_text - ASCII representation of the WFST
* @param [in] text_size - Length of wfst_text in bytes
* @param [in] firstWordID - Word ID of the first word in the generated WFST.
* It is important that word IDs of different resources do not overlap.
* @param [out] wfst - Handle to the Rockhopper WFST
*
* @return One of:
* - ROCKHOPPER_SUCCESS (grammar converted successfully),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSConvertFST(const char *configurationFilename,
const char *wfst_text,
int text_size,
int firstWordID,
WFST_HANDLE* wfst);
/**
* Release (dynamic) WFST resource.
*
* @param [in] wfst - handle to a WFST resource
* @return One of:
* - ROCKHOPPER_SUCCESS (stopped successfully),
* - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperFSReleaseFST(WFST_HANDLE wfst);
/**
* Get the Rockhopper version string.
*
* @param [out] versionString - pointer to char string with the version ID
* @return One of:
* - ROCKHOPPER_SUCCESS (stopped successfully),
* - ROCKHOPPER_UNKNOWN_ERROR (error)
*/
ROCKHOPPER_API_EXPORT int RockhopperGetVersionString(const char **versionString);
#ifdef __cplusplus
}
#endif
#endif
C++ cli 头文件
#pragmaonce
#include"pch.h"
#include"../SDK/rockhopper.h"
//using namespace System;
#pragmacomment (lib, "../SDK/rockhopper.lib")
namespace IntelSDK {
publicenumclassSDKRockhopperDataType
{
ROCKHOPPER_DATA_TYPE_SAMPLE_INT_16,
ROCKHOPPER_DATA_TYPE_FEATURE_INT_16
};
//[Serializable]
publicrefstructSDKAsrEngineStatistics
{
public:
void setValue(intval)
{
value = val;
}
int getValue()
{
return value;
}
void setSignalvl(intval)
{
signalvl = val;
}
int getSigalvl()
{
return signalvl;
}
void setSamples_captured_ms(intval)
{
samples_captured_ms = val;
}
int gettSamples_captured_ms()
{
return samples_captured_ms;
}
void setFrames_extracted_ms(intval)
{
frames_extracted_ms = val;
}
int getFrames_extracted_ms()
{
return frames_extracted_ms;
}
void setFrames_decoded_ms(intval)
{
frames_decoded_ms = val;
}
int getFrames_decoded_ms()
{
return frames_decoded_ms;
}
void setUttRtFactor(floatval)
{
uttRtFactor = val;
}
float getUttRtFactor()
{
return uttRtFactor;
}
void setUtt_min_snr(intval)
{
utt_min_snr = val;
}
int getUtt_min_snr()
{
return utt_min_snr;
}
void setUtt_max_snr(intval)
{
utt_max_snr = val;
}
int getUtt_max_snr()
{
return utt_max_snr;
}
void setUtt_snr(intval)
{
utt_snr = val;
}
int getUtt_snr()
{
return utt_snr;
}
private:
int value;
int signalvl;
int samples_captured_ms;
int frames_extracted_ms;
int frames_decoded_ms;
float uttRtFactor;
int utt_min_snr;
int utt_max_snr;
int utt_snr;
};
publicdelegatevoiddelegateEventCallback(int eventCode, int value);
publicdelegateintdelegateUtteranceCallback(System::String^ UtteranceText);
publicdelegatelong Delegate_SDKUtteranceCallback(void* p, constshort* samples, int nSamples, constchar* UtteranceId, constchar* UtteranceText, float score, int isFinal);
publicdelegatevoid Delegate_SDKFSSetEventCallback(void* p, int eventCode, int value);
publicrefclassOffLineSDK
{
private:
ASR_HANDLE asrengine = 0;
WFST_HANDLE wfst = 0;
public:
System::String^ getTest(System::String^ name);
OffLineSDK();
~OffLineSDK();
int SDKRockhopperFSStartEngine();
int SDKRockhopperFSStopEngine();
int SDKRockhopperFSInitialize(System::String^ configurationFilename, System::String^ resourceDirectory, System::String^ userResourceDirectory);
int SDKRockhopperFSUpdateDynResource(System::String^ configurationFilename, System::String^ resourceDirectory, System::String^ userResourceDirectory, inttagId);
int SDKRockhopperFSSetResultCallback();
int SDKRockhopperFSReleaseEngine();
int SDKRockhopperFSGetStatistics(SDKAsrEngineStatistics^ stats);
int SDKRockhopperFSPushSamples(array< int>^ samples, intnSamples);
int SDKRockhopperFSConvertJSGFToFST(System::String^ configurationFilename, System::String^ grammar, System::String^ grammarRule, intgrammarSize, intgrammarRuleSize, intfirstWordID);
int SDKRockhopperFSConvertARPAToFST(System::String^ configurationFilename, array<short>^ arpa, intarpaSize, intfirstWordID);
int SDKRockhopperFSPushData(array<short>^ wfst_text, intelementCount, SDKRockhopperDataTypetype);
int SDKRockhopperFSReleaseFST();
int SDKRockhopperFSSetEventCallback();
private:
staticlong SDKUtteranceCallback(void* p, constshort* samples, intnSamples, constchar* UtteranceId, constchar* UtteranceText, floatscore, intisFinal);
staticvoid SDKFSSetEventCallback(void* p, inteventCode, intvalue);
public:
staticeventdelegateEventCallback^ FSSetEventCallback;
staticeventdelegateUtteranceCallback^ EventUtteranceCallback;
};
}
C++ cli 源文件
#include"pch.h"
#include"IntelSDK.h"
#include<string>
#include<iostream>
#include<fstream>
#include<cvt/wstring>
#include<codecvt>
usingnamespace IntelSDK;
#include<msclr\marshal_cppstd.h>
usingnamespace System::Runtime::InteropServices;
constchar* ToCppString(System::String^ s)
{
msclr::interop::marshal_context context;
constchar* result = context.marshal_as<constchar*>(s);
return result;
}
bool To_CharStar(System::String^ source, char*& target)
{
pin_ptr<constwchar_t> wch = PtrToStringChars(source);
int len = ((source->Length + 1) * 2);
target = newchar[len];
return wcstombs(target, wch, len) != -1;
}
bool To_string(System::String^ source, std::string& target)
{
pin_ptr<constwchar_t> wch = PtrToStringChars(source);
int len = ((source->Length + 1) * 2);
char* ch = newchar[len];
bool result = wcstombs(ch, wch, len) != -1;
target= ch;
delete ch;
return result;
}
std::string StringToAscIIChars(System::String^ text)
{
//System::IntPtr ptr=Marshal::SecureStringToGlobalAllocAnsi(text);
std::string converted = msclr::interop::marshal_as<std::string>(text->ToString());
//std::string converted = msclr::interop::marshal_as< std::string >(text);
return converted;
}
std::string StringUtf8ToAscIIChars(System::String^ text) {
std::string converted = msclr::interop::marshal_as< std::string >(text);
return converted;
}
System::String^ UTF8_To_Managed_Str(constchar* chars/*const std::string& str*/)
{
if (chars == nullptr/*|| chars == "" || chars == " " || strnlen_s(chars, INT_MAX) <= 1*/) { // todo what is 0x20
return"";
}
std::string str = std::string(chars);
int nwLen = MultiByteToWideChar(CP_UTF8, 0, str.c_str(), -1, NULL, 0);
wchar_t* pwBuf = newwchar_t[nwLen + 1];
memset(pwBuf, 0, nwLen * 2 + 2);
MultiByteToWideChar(CP_UTF8, 0, str.c_str(), (int)str.length(), pwBuf, nwLen);
System::String^ pStr = gcnew System::String(pwBuf);
delete[] pwBuf;
pwBuf = NULL;
return pStr;
}
System::String^ OffLineSDK::getTest(System::String^ name)
{
//ASR_HANDLE handle = 0;
returnname;
}
OffLineSDK::OffLineSDK()
{
//throw gcnew System::NotImplementedException();
}
OffLineSDK::~OffLineSDK()
{
//throw gcnew System::NotImplementedException();
SDKRockhopperFSReleaseEngine();
SDKRockhopperFSReleaseFST();
}
intOffLineSDK::SDKRockhopperFSStartEngine()
{
/*GCHandle handle = GCHandle::Alloc(objEngine);
System::IntPtr pointer = GCHandle::ToIntPtr(handle);
void* ptr = pointer.ToPointer();*/
//auto ret = RockhopperFSStartEngine(this->ptr);
pin_ptr<ASR_HANDLE> pin = &asrengine;
auto ret = RockhopperFSStartEngine(*pin);
//handle.Free();
return ret;
}
intOffLineSDK::SDKRockhopperFSStopEngine()
{
auto ret = RockhopperFSStopEngine(asrengine);
return ret;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSInitialize(System::String^ configurationFilename, System::String^ resourceDirectory, System::String^ userResourceDirectory)
{
std::string fileName = configurationFilename ? StringToAscIIChars(configurationFilename) : "";
std::string directory = resourceDirectory ? StringToAscIIChars(resourceDirectory) : "";
std::string userDirectory = userResourceDirectory ? StringUtf8ToAscIIChars(userResourceDirectory) : "";
pin_ptr<ASR_HANDLE> pin = &asrengine;
std::cout <<"get some info."<< std::endl;
std::cout << fileName << std::endl;
std::cout << directory << std::endl;
std::cout << userDirectory << std::endl;
// Convert Object^ to void*
/*GCHandle handle = GCHandle::Alloc(objEngine);
System::IntPtr pointer = GCHandle::ToIntPtr(handle);
void* ptr = pointer.ToPointer();
this->ptr = ptr;
ASR_HANDLE asrengine2 = 0;*/
//auto ret = RockhopperFSInitialize("./OffLineConfigFile/rh_params.txt", "./OffLineConfigFile/", "E:\\Code", pin);
//std::string fileName1 = "./OffLineConfigFile/rh_params.txt";
//std::string directory1 = "./OffLineConfigFile/";
//std::string userDirectory1 = "E:\\code";
//
//auto ret = RockhopperFSInitialize(fileName1.c_str(), directory1.c_str(), userDirectory1.c_str(), pin);
auto ret = RockhopperFSInitialize(fileName.c_str(), directory.c_str(), userDirectory.c_str(), pin);
return ret;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSUpdateDynResource(System::String^ configurationFilename, System::String^ resourceDirectory, System::String^ userResourceDirectory, inttagId)
{
std::string fileName = configurationFilename ? StringToAscIIChars(configurationFilename) : "";
std::string rDirectory = resourceDirectory ? StringUtf8ToAscIIChars(resourceDirectory) : "";
std::string userDirectory = userResourceDirectory ? StringUtf8ToAscIIChars(userResourceDirectory) : "";
pin_ptr<WFST_HANDLE> pin = &wfst;
auto ret = RockhopperFSUpdateDynResource(fileName.c_str(), rDirectory.c_str(), userDirectory.c_str(), tagId, pin);
return ret;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSSetResultCallback()
{
Delegate_SDKUtteranceCallback^ fp = gcnewDelegate_SDKUtteranceCallback(SDKUtteranceCallback);
GCHandle gch = GCHandle::Alloc(fp);
System::IntPtr ip = Marshal::GetFunctionPointerForDelegate(fp);
UtteranceCallback cb = static_cast<UtteranceCallback>(ip.ToPointer());
pin_ptr<ASR_HANDLE> pin = &asrengine;
auto ret = RockhopperFSSetResultCallback(*pin, cb, NULL);
return ret;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSReleaseEngine()
{
int res = -1;
pin_ptr<ASR_HANDLE> pin = &asrengine;
if (pin)
{
res = RockhopperFSReleaseEngine(*pin);
}
return res;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSGetStatistics(SDKAsrEngineStatistics^ stats)
{
return 0;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSPushSamples(array<int>^ samples, intnSamples)
{
return 0;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSConvertJSGFToFST(System::String^ configurationFilename, System::String^ grammar, System::String^ grammarRule, intgrammarSize, intgrammarRuleSize, intfirstWordID)
{
return 0;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSConvertARPAToFST(System::String^ configurationFilename, array<short>^ arpa, intarpaSize, intfirstWordID)
{
return 0;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSPushData(array<short>^ wfst_text, intelementCount, SDKRockhopperDataTypetype)
{
if (wfst_text == nullptr)
{
return -3;
}
constint MAX_BUF_SIZE = 20480;
short* sample;
short buff[MAX_BUF_SIZE] = { 0 };
/* if (elementCount > MAX_BUF_SIZE) {
sample = new char[elementCount];
}
else {
sample = buff;
}*/
sample = buff;
for (int i = 0; i < (int)elementCount; i++)
{
sample[i] = wfst_text[i];
}
//RockhopperDataType type= ROCKHOPPER_DATA_TYPE_SAMPLE_INT_16;
/*if (offlinetype == SDKRockhopperDataType::ROCKHOPPER_DATA_TYPE_SAMPLE_INT_16)
{
type = ROCKHOPPER_DATA_TYPE_SAMPLE_INT_16;
}
else
{
type = ROCKHOPPER_DATA_TYPE_FEATURE_INT_16;
}*/
auto ret = RockhopperFSPushData(asrengine, sample, elementCount, ROCKHOPPER_DATA_TYPE_SAMPLE_INT_16);
return ret;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSReleaseFST()
{
auto ret = -1;
if (wfst)
{
ret = RockhopperFSReleaseFST(wfst);
}
return ret;
}
int IntelSDK::OffLineSDK::SDKRockhopperFSSetEventCallback()
{
Delegate_SDKFSSetEventCallback^ fp = gcnewDelegate_SDKFSSetEventCallback(SDKFSSetEventCallback);
GCHandle gch = GCHandle::Alloc(fp);
System::IntPtr ip = Marshal::GetFunctionPointerForDelegate(fp);
EventCallback callBack = static_cast<EventCallback>(ip.ToPointer());
pin_ptr<ASR_HANDLE> pin = &asrengine;
auto res = RockhopperFSSetEventCallback(*pin, callBack, NULL);
return res;
}
long IntelSDK::OffLineSDK::SDKUtteranceCallback(void* p, constshort* samples, intnSamples, constchar* UtteranceId, constchar* UtteranceText, floatscore, intisFinal)
{
auto ret = EventUtteranceCallback(UTF8_To_Managed_Str(UtteranceText));
//return 0;
return ret;
}
void IntelSDK::OffLineSDK::SDKFSSetEventCallback(void* p, inteventCode, intvalue)
{
FSSetEventCallback(eventCode, value);
}
/*++(do not edit the above line)************************************************************************************ “INTEL CONFIDENTIAL** Copyright 2013 - 2018 Intel Corporation All Rights Reserved.************************************************************************************** The source code contained or described herein and all documents related to** the source code ("Material") are owned by Intel Corporation or its suppliers** or licensors. Title to the Material remains with Intel Corporation or its** suppliers and licensors. The Material may contain trade secrets and** proprietary and confidential information of Intel Corporation and its** suppliers and licensors, and is protected by worldwide copyright and trade** secret laws and treaty provisions. No part of the Material may be used,** copied, reproduced, modified, published, uploaded, posted, transmitted,** distributed, or disclosed in any way without Intel’s prior express written** permission.**** No license under any patent, copyright, trade secret or other intellectual** property right is granted to or conferred upon you by disclosure or delivery** of the Materials, either expressly, by implication, inducement, estoppel or** otherwise. Any license under such intellectual property rights must be** express and approved by Intel in writing.**** THE MATERIAL IS PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED WARRANTY OF** ANY KIND INCLUDING WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT,** OR FITNESS FOR A PARTICULAR PURPOSE. INTEL WILL NOT PROVIDE ANY SUPPORT,** ASSISTANCE, INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE** ANY UPDATES, ENHANCEMENTS OR EXTENSIONS. Intel does not warrant or assume** responsibility for the accuracy or completeness of any information, text,** graphics, links or other items contained within the material.**** LIMITATION OF LIABILITY. IN NO EVENT SHALL INTEL OR ITS SUPPLIERS BE LIABLE** FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, LOST PROFITS,** BUSINESS INTERRUPTION, OR LOST INFORMATION) ARISING OUT OF THE USE OF OR** INABILITY TO USE THE MATERIAL, EVEN IF INTEL HAS BEEN ADVISED OF THE** POSSIBILITY OF SUCH DAMAGES.**** *Third-party brands and names are the property of their respective owners.**** Unless otherwise agreed by Intel in writing, you may not remove or alter** this notice or any other notice embedded in Materials by Intel** or Intel’s suppliers or licensors in any way.?**********************************************************************************--*/
#ifndef _ROCKHOPPER_H_#define _ROCKHOPPER_H_
#ifdef ROCKHOPPER_LIBRARY_STATIC# define ROCKHOPPER_API_EXPORT#else# ifdef _WIN32# if defined(ROCKHOPPER_EXPORT) /* Visual Studio */# define ROCKHOPPER_API_EXPORT __declspec(dllexport)# elif defined(__CYGWIN__) /* Disable this on Cygwin, it doesn't work */# define ROCKHOPPER_API_EXPORT# else# define ROCKHOPPER_API_EXPORT __declspec(dllimport)# endif# else# if defined(ROCKHOPPER_EXPORT)# define ROCKHOPPER_API_EXPORT __attribute__((visibility("default")))# else# define ROCKHOPPER_API_EXPORT# endif# endif#endif
#ifdef __cplusplusextern "C" {#endif
// left for compatibility #define ROCKHOPPER_SUCCESS RH_NO_ERROR #define ROCKHOPPER_ERROR RH_ERROR_GENERIC #define ROCKHOPPER_UNKNOWN_ERROR RH_ERROR_GENERIC #define ROCKHOPPER_INVALID_PARAMETER RH_ERROR_INVALID_PARAM #define ROCKHOPPER_INVALID_HANDLE_VALUE RH_ERROR_INVALID_HANDLE_VALUE #define ROCKHOPPER_INVALID_PATH RH_ERROR_INVALID_PATH
// base error codes #define RH_NO_ERROR 0 #define RH_ERROR_GENERIC -1 #define RH_ERROR_OUT_OF_MEMORY -2 #define RH_ERROR_FILE_IO -3 #define RH_ERROR_INVALID_RESOURCE -4 #define RH_ERROR_INVALID_PARAM -5 #define RH_ERROR_INVALID_HANDLE_VALUE -6 #define RH_ERROR_INVALID_PATH -7
// Threading error codes #define RH_ERROR_THREAD_ALREADY_STARTED -10 #define RH_ERROR_THREAD_START_FAILED -11 #define RH_ERROR_THREAD_STOP_FAILED -12 #define RH_ERROR_THREAD_NOT_STARTED -13
// Communication error codes #define RH_ERROR_OUTPUT_BUFFER_FULL -20 #define RH_ERROR_MESSAGE_ENQUEUE_FAILED -21
// Rest error codes #define RH_ERROR_MODULE_INIT_FAILED -30 #define RH_ERROR_MODULE_NOT_INITIALIZED -31 #define RH_ERROR_ENGINE_NOT_STARTED -32 #define RH_ERROR_ENGINE_WRONG_STATE -33 #define RH_ERROR_MEMORY_COPY -34 #define RH_ERROR_TOO_SMALL_BUFFER -35 #define RH_ERROR_DATA_OVERWRITTEN -36 #define RH_ERROR_NOT_SUPPORTED -37
// Events #define ROCKHOPPER_EVENT_ON_READY_FOR_SPEECH 1 #define ROCKHOPPER_EVENT_ON_SPEECH_BEGIN 2 #define ROCKHOPPER_EVENT_ON_SPEECH_END 3 #define ROCKHOPPER_EVENT_ON_RMS_CHANGED 4 #define ROCKHOPPER_EVENT_ON_ERROR 5 #define ROCKHOPPER_EVENT_ENGINE_STARTED 6 #define ROCKHOPPER_EVENT_ENGINE_STOPPED 7
typedef void* ASR_HANDLE; // speech recognition engine handle type typedef void* WFST_HANDLE; // Handle for a (dynamic) WFST resource
typedef enum RockhopperDataType { ROCKHOPPER_DATA_TYPE_SAMPLE_INT_16, ROCKHOPPER_DATA_TYPE_FEATURE_INT_16 } RockhopperDataType;
/// C-style interface used intentionally to allow for bindings in /// runtimes that don't support/understand C++ name mangling or /// reference types
typedef long(*UtteranceCallback)( void* p, // callback function parameter passed in RockhopperFSSetResultCallback const short* samples, // Data buffer with utterance samples. Samples are sent only for final result. // Utterance longer than source buffer length will be passed without samples(null pointer). int nSamples, // number of samples in buffer const char* utteranceId, // wall clock time when utterance begins const char* utteranceText, // recognized text float score, // recognition score (LM) int isFinal // 0: partial result, 1: final result (end of utterance) );
typedef void(*EventCallback)( void* p, // callback function parameter passed in RockhopperFSSetEventCallback int eventCode, // event code int value); // event value
#pragma pack(push, 4) typedef struct _AsrEngineStatistics { union { struct { unsigned int speech : 1; unsigned int frontend : 3; unsigned int scorer : 3; unsigned int decoder : 3; unsigned int reserved : 22; } fields; int value; } state; int signalvl; int samples_captured_ms; int frames_extracted_ms; int frames_decoded_ms; float uttRtFactor; int utt_min_snr; int utt_max_snr; int utt_snr; } AsrEngineStatistics;
#pragma pack(pop) /** * Initialize the ASR engine component. * * @param configurationFilename - absolute path to configuration file the ASR engine shall * read all its configuration parameters from * @param resourceDirectory - absolute path to resources listed in config file if relative path used * @param userResourceDirectory - absolute path to user resources (e.g. dynamic lexicon) * listed in config file if relative path used * @param [outptr] asrengine - handle to ASR engine * @return One of: * - ROCKHOPPER_SUCCESS (initialization completed successfully), * - ROCKHOPPER_INVALID_PATH (cannot access the indicated configurationFilename), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSInitialize(const char* configurationFilename, const char* resourceDirectory, const char* userResourceDirectory, ASR_HANDLE* asrengine);
/** * Update dynamic resource from a lexicon and a text acceptor WFST. * * @param configurationFilename - absolute path to configuration file the ASR engine shall * read all its configuration parameters from * @param resourceDirectory - absolute path of resource data folder (e.g. acoustic model) * @param userResourceDirectory - absolute path to target folder to contain user generated data * (e.g. dynamic lexicon) * @param tagId - ID of meta tag in CL statistical language model the dictionary is "plugged in" * @param wfst - Grammar wfst used for vocabulary. * * @return One of: * - ROCKHOPPER_SUCCESS (dynamic lexicon update completed successfully), * - ROCKHOPPER_INVALID_PATH (cannot access the indicated configurationFilename), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSUpdateDynResource(const char* configurationFilename, const char* resourceDirectory, const char* userResourceDirectory, int tagId, WFST_HANDLE wfst);
/** * Set callback for result processing. * * @param [in] asrengine - handle to ASR engine * @param [in] rescallback - result callback implementation to be invoked once * utternace or its fragment is recognized * @param [in] p - callback parameter * @return One of: * - ROCKHOPPER_SUCCESS (callback set successfully), * - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSSetResultCallback(ASR_HANDLE asrengine, UtteranceCallback callback, const void* p);
/** * Set callback for events like start / stop engine, ready for speech, speech begin/end, error. * * @param [in] asrengine handle to ASR engine * @param [in] evtcallback - event callback called whenever engine state is changing * @param [in] p - callback parameter * @return One of: * - ROCKHOPPER_SUCCESS (callback set successfully), * - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSSetEventCallback(ASR_HANDLE asrengine, EventCallback callback, const void* p);
/** * Start phrase detection process. * In response to this method the engine is expected to initialize the * recognition and continue until a call to stop function is received. * * @param [in] asrengine - handle to ASR engine * @return One of: * - ROCKHOPPER_SUCCESS (started successfully), * - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSStartEngine(ASR_HANDLE asrengine);
/** * Stop Rockhopper engine - resources are not released. * * @param [in] asrengine - handle to ASR engine * @param [in] waitForEndOfUtteranceProcessing - flag: * True - requests deffered stop, routine does not return till last * samples/frames in all intermediate buffers are processed * False - stops immediately if not doing batch file processing * @return One of: * - ROCKHOPPER_SUCCESS (stopped successfully), * - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle) , * - ROCKHOPPER_UNKNOWN_ERROR (error) */#ifdef __cplusplus ROCKHOPPER_API_EXPORT int RockhopperFSStopEngine(ASR_HANDLE asrengine, int waitForEndOfUtteranceProcessing = 1);#else ROCKHOPPER_API_EXPORT int RockhopperFSStopEngine(ASR_HANDLE asrengine, int waitForEndOfUtteranceProcessing);#endif
/** * Release resources of Rockhopper engine. * * @param [in] asrengine - handle to ASR engine * @return One of: * - ROCKHOPPER_SUCCESS (released successfully), * - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSReleaseEngine(ASR_HANDLE asrengine);
/** * Read current Rockhopper state & statistics. * * @param [in] asrengine - handle to ASR engine * @param [inout] stats - pointer to statistics buffer * @return One of: * - ROCKHOPPER_SUCCESS (stopped successfully), * - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSGetStatistics(ASR_HANDLE asrengine, AsrEngineStatistics* stats);
/** * Feed stream source with samples from external application. * * @param [in] asrengine - handle to ASR engine * @param [in] samples - samples buffer 16kHz mono 16bit resolution * @param [in] nSamples - number of samples * @return number of samples consumed by ASR engine ( >=0 ) or STATUS code ( <0 ): * - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSPushSamples(ASR_HANDLE asrengine, short* samples, int nSamples);
/** * Feed stream source with data from external application. * * @param [in] asrengine - handle to ASR engine * @param [in] data - pointer to buffer with data to push * @param [in] elementsCount - number of elements of data, in case of: * SAMPLE_INT_16 it is the number of samples * FEATURE_INT_16 it is the number of features * (must be aligned to features per frame set in config file) * @param [in] type - type of data to push * @return number of samples consumed by ASR engine ( >=0 ) or STATUS code ( <0 ): * - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSPushData(ASR_HANDLE asrengine, void* data, int elementsCount, RockhopperDataType type);
/** * Convert grammar specified in JSGF to a WFST * The WFST is a transducer with input and output labels * * @param [in] configurationFilename - absoulute path to configuration file * the asr engine shall read all it's configuration parameters from * @param [in] grammar - string buffer representing grammar in JSGF, null terminated * (http://www.w3.org/TR/2000/NOTE-jsgf-20000605/) * @param [in] grammarRule - root rule name (if not specified first public rule is selected) * @param [in] grammarSize - Size of the grammar string buffer including terminating null * @param [in] grammarRuleSize = Size of the grammarRule buffer including terminating null * @param [in] firstWordID - Word ID of the first word in the generated WFST. * It is important that word IDs of different resources do not overlap. * @param [out] wfst - handle to resulting grammar WFST * * @return One of: * - ROCKHOPPER_SUCCESS (grammar converted successfully), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSConvertJSGFToFST(const char *configurationFilename, const char* grammar, const char* grammarRule, int grammarSize, int grammarRuleSize, int firstWordID, WFST_HANDLE* wfst);
/** * Convert ARPA statistical language model into WFST that can be used with * RockhopperFSUpdateDynResource() to create dynamic recognition resources * * @param [in] configurationFilename - absoulute path to configuration file * the asr engine shall read all it's configuration parameters from * @param [in] arpa - string buffer representing grammar in ARPA format * @param [in] arpaSize - Size of the arpa string buffer * @param [in] firstWordID - Word ID of the first word in the generated WFST. * It is important that word IDs of different resources do not overlap. * @param [out] wfst - handle to resulting grammar WFST * * @return One of: * - ROCKHOPPER_SUCCESS (grammar converted successfully), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSConvertARPAToFST(const char *configurationFilename, const char* arpa, int arpaSize, int firstWordID, WFST_HANDLE* wfst);
/** * Convert list of phrases into a Rockhopper WFST that can be used with * RockhopperFSUpdateDynResource() to create dynamic recognition resources * * @param [in] configurationFilename - absoulute path to configuration file * the asr engine shall read all it's configuration parameters from * @param [in] phrases - string buffer representing grammar in JSGF * The different phrases are separated by the newline character '\n' * @param [in] phrasesSize - Size of the phrases string buffer * @param [in] firstWordID - Word ID of the first word in the generated WFST. * It is important that word IDs of different resources do not overlap. * @param [out] wfst - handle to resulting phrase grammar WFST * * @return One of: * - ROCKHOPPER_SUCCESS (grammar converted successfully), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSConvertPhrasesToFST(const char* configurationFilename, const char* phrases, int phrasesSize, int firstWordID, WFST_HANDLE* wfst);
/** * Convert AT&T (OpenFST) ASCII text representation of a WFST into * a Rockhopper WFST. * * @param [in] configurationFilename - absoulute path to configuration file * the asr engine shall read all it's configuration parameters from * @param [in] wfst_text - ASCII representation of the WFST * @param [in] text_size - Length of wfst_text in bytes * @param [in] firstWordID - Word ID of the first word in the generated WFST. * It is important that word IDs of different resources do not overlap. * @param [out] wfst - Handle to the Rockhopper WFST * * @return One of: * - ROCKHOPPER_SUCCESS (grammar converted successfully), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSConvertFST(const char *configurationFilename, const char *wfst_text, int text_size, int firstWordID, WFST_HANDLE* wfst);
/** * Release (dynamic) WFST resource. * * @param [in] wfst - handle to a WFST resource * @return One of: * - ROCKHOPPER_SUCCESS (stopped successfully), * - ROCKHOPPER_INVALID_HANDLE_VALUE (invalid handle), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperFSReleaseFST(WFST_HANDLE wfst);
/** * Get the Rockhopper version string. * * @param [out] versionString - pointer to char string with the version ID * @return One of: * - ROCKHOPPER_SUCCESS (stopped successfully), * - ROCKHOPPER_UNKNOWN_ERROR (error) */ ROCKHOPPER_API_EXPORT int RockhopperGetVersionString(const char **versionString);
#ifdef __cplusplus}#endif#endif
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