#include <xfei_speech_recog.h>

Public Member Functions
char *	dataLoopRecog ()
	将全部音频数据循环写入科大讯飞接口进行识别并获取完整的json识别结果. More...

void	getPCMData (struct DataBuff pcm_buff)
	获取pcm数据接口. More...

void	getPcmFileData ()
	读取pcm文件里的音频数据,并将数据的内容和数据大小存入pcm_data_. More...

void	initAsr ()
	科大讯飞识别模块的初始化. More...

struct DataBuff	recordThroughMIC (const float record_time, bool enable_audio_save)
	录音接口. More...

std::vector< std::string >	resultFromJson ()
	从完整的json语音识别结果中解析出需要的字符串结果和置信度值. More...

void	setAsrParams (const std::string base_path, const std::string pcm_file, const std::string params, const int channel)
	设置语音模块需外部传入的路径等参数. More...

void	stopRecordThroughMIC ()
	关闭录音设备. More...

void	uninitAsr ()
	一次识别结束后释放资源. More...

void	writeAudioData (const char *audio_data, unsigned int audio_len)
	将pcm音频写入科大讯飞QISRAudioWrite接口. More...

	XfeiSpeechRecog ()

Private Member Functions
struct DataBuff	getOneChannelData ()
	从双声道数据中分离出单声道数据. More...

char *	getRecogResultLoop ()
	获取完整的json语音识别结果. More...

void	saveRecordDataToFile ()
	把录音数据存入/cache/pcm/目录下的pcm文件里，以次序和时间命名. More...

Private Attributes
std::string	asr_params_

struct recorder *	asr_record_ = NULL

int	audio_stat_

std::string	base_path_

int	channel_

std::string	final_recog_result_

struct DataBuff	pcm_data_ = { NULL, 0 }

std::string	pcm_file_

FileOperation	pcm_file_operation

char *	rec_result_ = NULL

int	recog_confidence_ = 0

std::vector< std::string >	recog_result_vector

RecordAlsaAPI	record_alsa

int	record_loops_ = 0

const char *	session_id_ = NULL

struct speech_recog	speech_recog_

Detailed Description

Definition at line 24 of file xfei_speech_recog.h.

Constructor & Destructor Documentation

XfeiSpeechRecog::XfeiSpeechRecog ( )

inline

Definition at line 27 of file xfei_speech_recog.h.

Member Function Documentation

char * XfeiSpeechRecog::dataLoopRecog ( )

将全部音频数据循环写入科大讯飞接口进行识别并获取完整的json识别结果.

Returns: char* rec_result_ - 完整的json识别结果,若没有识别结果，返回NULL.

Definition at line 95 of file xfei_speech_recog.cpp.

struct DataBuff XfeiSpeechRecog::getOneChannelData ( )

private

从双声道数据中分离出单声道数据.

Returns: struct DataBuff pcm_data_ - 返回单声道的pcm数据和大小.

Definition at line 81 of file xfei_speech_recog.cpp.

void XfeiSpeechRecog::getPCMData ( struct DataBuff pcm_buff )

获取pcm数据接口.

Parameters

pcm_buff - [in] pcm数据的内容和数据大小.

Definition at line 150 of file xfei_speech_recog.cpp.

void XfeiSpeechRecog::getPcmFileData ( )

读取pcm文件里的音频数据,并将数据的内容和数据大小存入pcm_data_.

Definition at line 34 of file xfei_speech_recog.cpp.

char * XfeiSpeechRecog::getRecogResultLoop ( )

private

获取完整的json语音识别结果.

Returns: char* rec_result_ - 返回语音识别的完整json结果,若没有识别结果，返回NULL.

Definition at line 52 of file xfei_speech_recog.cpp.

void XfeiSpeechRecog::initAsr ( )

科大讯飞识别模块的初始化.

Definition at line 22 of file xfei_speech_recog.cpp.

struct DataBuff XfeiSpeechRecog::recordThroughMIC	(	const float	record_time,
		bool	enable_audio_save
	)

录音接口.

Parameters

record_time	- [in] 录音时长(s).
enable_audio_save	- [in] 是否将录音保存到pcm文件.

Returns: struct DataBuff pcm_data_ - 返回录音的pcm数据和大小.

Definition at line 223 of file xfei_speech_recog.cpp.

std::vector< std::string > XfeiSpeechRecog::resultFromJson ( )

从完整的json语音识别结果中解析出需要的字符串结果和置信度值.

Returns: std::vector<std::string> recog_result_vector[2] - 返回保存识别结果和置信度值的变量.

Definition at line 178 of file xfei_speech_recog.cpp.

void XfeiSpeechRecog::saveRecordDataToFile ( )

private

把录音数据存入/cache/pcm/目录下的pcm文件里，以次序和时间命名.

Definition at line 214 of file xfei_speech_recog.cpp.

void XfeiSpeechRecog::setAsrParams	(	const std::string	base_path,
		const std::string	pcm_file,
		const std::string	params,
		const int	channel
	)

设置语音模块需外部传入的路径等参数.

Parameters

base_path	- [in] 到/xbot_talker目录的结对路径.
pcm_file	- [in] 用于进行语音识别的录音文件.
params	- [in] 科大讯飞参数
channel	- [in] 音频声道数.1表示单声道,2表示双声道.

Definition at line 13 of file xfei_speech_recog.cpp.

void XfeiSpeechRecog::stopRecordThroughMIC ( )

关闭录音设备.

Definition at line 330 of file xfei_speech_recog.cpp.

void XfeiSpeechRecog::uninitAsr ( )

一次识别结束后释放资源.

Definition at line 156 of file xfei_speech_recog.cpp.

void XfeiSpeechRecog::writeAudioData	(	const char *	audio_data,
		unsigned int	audio_len
	)

将pcm音频写入科大讯飞QISRAudioWrite接口.

Parameters

audio_data	- [in] pcm音频数据.
audio_len	- [in] pcm音频大小.

Definition at line 40 of file xfei_speech_recog.cpp.

Member Data Documentation

std::string XfeiSpeechRecog::asr_params_

private

Definition at line 136 of file xfei_speech_recog.h.

struct recorder* XfeiSpeechRecog::asr_record_ = NULL

private

Definition at line 138 of file xfei_speech_recog.h.

int XfeiSpeechRecog::audio_stat_

private

Definition at line 128 of file xfei_speech_recog.h.

std::string XfeiSpeechRecog::base_path_

private

Definition at line 134 of file xfei_speech_recog.h.

int XfeiSpeechRecog::channel_

private

Definition at line 137 of file xfei_speech_recog.h.

std::string XfeiSpeechRecog::final_recog_result_

private

Definition at line 132 of file xfei_speech_recog.h.

struct DataBuff XfeiSpeechRecog::pcm_data_ = { NULL, 0 }

private

Definition at line 129 of file xfei_speech_recog.h.

std::string XfeiSpeechRecog::pcm_file_

private

Definition at line 135 of file xfei_speech_recog.h.

FileOperation XfeiSpeechRecog::pcm_file_operation

private

Definition at line 139 of file xfei_speech_recog.h.

char* XfeiSpeechRecog::rec_result_ = NULL

private

Definition at line 131 of file xfei_speech_recog.h.

int XfeiSpeechRecog::recog_confidence_ = 0

private

Definition at line 133 of file xfei_speech_recog.h.

std::vector<std::string> XfeiSpeechRecog::recog_result_vector

private

Definition at line 126 of file xfei_speech_recog.h.

RecordAlsaAPI XfeiSpeechRecog::record_alsa

private

Definition at line 140 of file xfei_speech_recog.h.

int XfeiSpeechRecog::record_loops_ = 0

private

Definition at line 125 of file xfei_speech_recog.h.

const char* XfeiSpeechRecog::session_id_ = NULL

private

Definition at line 127 of file xfei_speech_recog.h.

struct speech_recog XfeiSpeechRecog::speech_recog_

private

Definition at line 130 of file xfei_speech_recog.h.

The documentation for this class was generated from the following files:

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation