### Uninitialize SDK Example

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Example of how to call the unInit method to release SDK resources and fully exit.

```java
SparkChain.getInst().unInit();  //SDK逆初始化
```

--------------------------------

### Start ASR Session Example

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Example of how to call the aRun method to start an ASR session with specified parameters.

```java
String filePath = "/sdcard/iflytek/asr/cn_test.pcm";
String resultType = "transfer";
mRAASR.aRun(filePath,resultType,"12345");
```

--------------------------------

### Callback Implementation Example

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

An example C++ implementation of the RaAsrCallbacks interface, demonstrating how to process transcription results and handle errors.

```APIDOC
## Callback Implementation Example

### Description
This example shows a C++ class `RaAsrCallbacksImpl` that inherits from `RaAsrCallbacks` and implements the `onResult` and `onError` methods to process ASR outcomes.

### Code Example
```cpp
class RaAsrCallbacksImpl :public RaAsrCallbacks{
    void onResult(RaAsrResult* result, void* usrTag){
        int status            = result->status();
        string orderResult    = result->orderResult();
        string orderId        = result->orderId();
        int failType          = result->failType();
        long originalDuration = result->originalDuration();
        long realDuration     = result->realDuration();
        int taskEstimateTime  = result->taskEstimateTime();
        vector<RaAsrTransResult*> transResult = result->transResult();
        for (RaAsrTransResult * raAsrTransResult : transResult) {
            int bg               = raAsrTransResult->bg();
            int ed               = raAsrTransResult->ed();
            string dst           = raAsrTransResult->dst();
            string segId         = raAsrTransResult->segId();
            vector<string> tags  = raAsrTransResult->tags();
            vector<string> roles = raAsrTransResult->roles();
        }
    }
    void onError(RaAsrError* error, void* usrTag){
        string orderId = error->orderId();
        int errCode    = error->code();
        string errMsg  = error->errMsg();
        finish = true;
    }
};
RaAsrCallbacksImpl *mRAASRCallbacks = new RaAsrCallbacksImpl();
raAsr.registerCallbacks(mRAASRCallbacks);
```
```

--------------------------------

### Query Transcription Result Request Example

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

This is an example URL for querying the transcription result of an order. Ensure the 'signa' parameter is correctly generated.

```http
https://raasr.xfyun.cn/v2/api/getResult?signa=Wv23VLOg%2F6sQ1BDx4DKnnxtgiwQ%3D&orderId=DKHJQ2022090217220902175209AAEBD000015&appId=3e79d91c&resultType=predict&ts=1662112340
```

--------------------------------

### Asynchronous Callback Example for Transcription Completion

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

This example shows the format of an asynchronous callback received when a transcription order is completed. It includes the order ID and status.

```http
GET http://ip:prot/server/xxx?orderId=DKHJQ202004291620042916580FBC96690001F&status=1
```

--------------------------------

### ASR Callbacks Implementation Example

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Provides a concrete implementation of the RaAsrCallbacks interface to handle transcription results and errors. This example demonstrates how to access status, results, order IDs, and error information.

```cpp
class RaAsrCallbacksImpl :public RaAsrCallbacks{
    void onResult(RaAsrResult* result, void* usrTag){
        int status            = result->status();//订单流程状态
        string orderResult    = result->orderResult();//转写结果(返回的是云端转写的原始结果，开发者自行解析)
        string orderId        = result->orderId();//订单号
        int failType          = result->failType();//订单异常状态
        long originalDuration = result->originalDuration();//原始音频时长
        long realDuration     = result->realDuration();//真实音频时长
        int taskEstimateTime  = result->taskEstimateTime();//订单预估耗时
        //以下为翻译结果，开发者根据需求自行获取
        vector<RaAsrTransResult*> transResult = result->transResult();//获取翻译结果
        for (RaAsrTransResult * raAsrTransResult : transResult) {
            int bg               = raAsrTransResult->bg();//开始时间
            int ed               = raAsrTransResult->ed();//结束时间
            string dst           = raAsrTransResult->dst();//翻译结果
            string segId         = raAsrTransResult->segId();//段落序号
            vector<string> tags  = raAsrTransResult->tags();//标签
            vector<string> roles = raAsrTransResult->roles();//角色
        }
    }
    void onError(RaAsrError* error, void* usrTag){
        string orderId = error->orderId();//订单号
        int errCode    = error->code();//错误码
        string errMsg  = error->errMsg();//错误信息
        finish = true;
    }
};
RaAsrCallbacksImpl *mRAASRCallbacks = new RaAsrCallbacksImpl();  
raAsr.registerCallbacks(mRAASRCallbacks);

```

--------------------------------

### Initiate ASR Request

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Starts an ASR task by providing the audio file path and desired result type.

```cpp
char* filePath = "../../test_file/cn_test.pcm";
raAsr.aRun(audioPath,"transfer");
```

--------------------------------

### RAASRCallbacks Implementation Example

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Example implementation of the RAASRCallbacks interface to process speech recognition results and errors. Register this callback with the RAASR instance.

```java
RAASRCallbacks mRAASRCallbacks = new RAASRCallbacks() {
    @Override
    public void onResult(RAASR.RaAsrResult result, Object o) {
        int status                            = result.getStatus();//订单流程状态
        String orderResult                    = result.getOrderResult();//转写结果
        RAASR.RaAsrTransResult[] transResults = result.getTransResult();//翻译结果实例
        String orderId                        = result.getOrderId();//转写订单ID
        int failType                          = result.getFailType();//订单异常状态
        long originalDuration                 = result.getOriginalDuration();//原始音频时长，单位毫秒
        long realDuration                     = result.getRealDuration();//真实音频时长，单位毫秒
        int taskEstimateTime                  = result.getTaskEstimateTime();//订单预估耗时，单位毫秒
    }

    @Override
    public void onError(RAASR.RaAsrError raAsrError, Object o) {
        String errMsg  = raAsrError.getErrMsg();//错误信息
        int errCode    = raAsrError.getCode();//错误码
        String orderId = raAsrError.getOrderId();//转写订单ID
        int failType   = raAsrError.getFailType();//订单异常状态
    }
};
mRAASR.registerCallbacks(mRAASRCallbacks);
```

--------------------------------

### RAASRTransResult Begin Time Method

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Returns the start time of the translated segment.

```cpp
virtual int bg() = 0;
```

--------------------------------

### Query ASR Result Example

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Example of how to call the aGetResult method to query the ASR results using an order ID and result type.

```java
String resultType = "transfer";
mRAASR.aGetResult(orderId,resultType,"12345");
```

--------------------------------

### aRun Method

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Starts a session and initiates audio processing. This method is used to begin the transcription or other specified tasks.

```APIDOC
## aRun Method

### Description
Starts a session and initiates audio processing. This method is used to begin the transcription or other specified tasks.

### Method Signature
`public int aRun(String fileName, String resultType, Object usrTag)`

### Parameters
#### Path Parameters
- **fileName** (String) - Required - The name of the audio file, preferably with the actual audio suffix to avoid transcoding issues.
- **resultType** (String) - Optional - Callback task type. If empty or omitted, it defaults to transcription callback.
  - `transfer`: Transcription
  - `translate`: Translation
  - `predict`: Quality inspection
- **usrTag** (Object) - Optional - User-defined identifier.

### Request Example
```java
String filePath = "/sdcard/iflytek/asr/cn_test.pcm";
String resultType = "transfer";
mRAASR.aRun(filePath, resultType, "12345");
```
```

--------------------------------

### Successful File Upload Response

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

Example of a successful response after uploading a file, including the order ID and task estimate time.

```json
{
 "code": "000000",
 "descInfo": "success",
 "content": {
  "orderId": "DKHJQ202209021522090215490FAAE7DD0008C",
  "taskEstimateTime": 28000
 }
}
```

--------------------------------

### Configure Transcription Parameters

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Configure transcription parameters using the RAASR instance. Examples include setting the language, hot words, and role separation.

```java
mRAASR.transLanguage("en");//翻译目标语种
mRAASR.language("cn");//识别语种
...
mRAASR.roleType(0);//是否开启角色分离,0:关闭，1:打开
```

--------------------------------

### ASR Transcription Result Response Example

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html

This is an example of a successful JSON response when querying for ASR transcription results. It includes order information and the transcription content, which itself is a JSON string.

```json
{
 "code": "000000",
 "descInfo": "success",
 "content": {
  "orderInfo": {
   "orderId": "DKHJQ2022090510220905100562536FEF00062",
   "failType": 0,
   "status": 4,
   "originalDuration": 200,
   "realDuration": 1878
  },
  "orderResult": "{\"lattice\":[{\"json_1best\":{\"st\":{\"sc\":\"0.86\",\"pa\":\"0\",\"rt\":[{\"ws\":[{\"cw\":[{\"w\":\"这\",\"wp\":\"n\",\"wc\":\"1.0000\"}],\"wb\":1,\"we\":16},{\"cw\":[{\"w\":\"是\",\"wp\":\"n\",\"wc\":\"1.0000\"}],\"wb\":17,\"we\":36},{\"cw\":[{\"w\":\"一\",\"wp\":\"n\",\"wc\":\"1.0000\"}],\"wb\":37,\"we":
```

--------------------------------

### Configure Speech Recognition Parameters

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Set transcription parameters using methods on the RAASR instance. Examples include setting the translation target language, recognition language, and role separation.

```cpp
raAsr.transLanguage("en");//翻译目标语种
raAsr.language("cn");//识别语种
...
raAsr.roleType(0);//是否开启角色分离,0:关闭，1:打开
```

--------------------------------

### Failed File Upload Response

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

Example of a failed response, indicating a general transcription business error.

```json
{
 "code": "26600",
 "descInfo": "转写业务通用错误"
}
```

--------------------------------

### RAASR API - aRun

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Initiates a session for ASR processing. After registering callbacks, developers can call this method to start the session. It processes audio files and returns results based on the specified type.

```APIDOC
## aRun

### Description
Starts an ASR processing session using the provided audio file. This method is called after registering necessary callbacks.

### Method Signature
`int aRun(string fileName, string resultType = "transfer", void* usrTag = nullptr);`

### Parameters
#### Path Parameters
- **fileName** (string) - Required - The name of the audio file to process. It's recommended to include the actual file extension for better transcoding.
- **resultType** (string) - Optional - The type of callback task. Defaults to "transfer" (transcription). Other options include "translate" (translation) and "predict" (quality inspection).
- **usrTag** (void*) - Optional - A user-defined identifier.

### Request Example
```
char* filePath = "../../test_file/cn_test.pcm";
raAsr.aRun(audioPath,"transfer");
```
```

--------------------------------

### Get Result API Endpoint

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

This is the endpoint for retrieving the transcription results. It uses the GET method.

```HTTP
GET https://raasr.xfyun.cn/v2/api/getResult
```

--------------------------------

### SDK Initialization

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Initializes the SDK with the provided configuration object.

```cpp
int32_t init(SparkChainConfig* config);
```

--------------------------------

### Initialize SDK

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Initialize the SDK once globally with your application credentials and configuration. Ensure you have obtained the appId, apiKey, and apiSecret from the XFYun platform.

```java
SparkChainConfig config =  SparkChainConfig.builder()    
    .appID("$appId")       
    .apiKey("$apiKey")    
    .apiSecret("$apiSecret"); 
int ret = SparkChain.getInst().init(getApplicationContext(), config);
```

--------------------------------

### SDK Uninitialization Method

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Provides the method signature for SDK uninitialization.

```cpp
int32_t unInit();
```

--------------------------------

### SparkChainConfig Builder

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Demonstrates the use of the builder pattern to configure SparkChain settings.

```cpp
SparkChainConfig* config = SparkChainConfig::builder()
    .appID("your_app_id")
    .apiKey("your_api_key")
    .apiSecret("your_api_secret")
    .uid("your_uid")
    .workDir("/path/to/workdir")
    .logLevel(1)
    .logPath("/path/to/log")
    .build();
```

--------------------------------

### Initialize SparkChain SDK

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Initialize the SparkChain SDK using the provided application ID, API key, and API secret. This is a one-time global initialization required before using any speech-to-text functionalities.

```cpp
SparkChainConfig* config = SparkChainConfig::builder(); 
config->appID("$appId")      
    ->apiKey("$apiKey")      
    ->apiSecret("$apiSecret");//从平台获取的授权appid，apikey,apisecrety 
int ret = SparkChain::init(config);

```

--------------------------------

### RAASR Class Definition

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Defines the RAASR class with the aRun method for starting an ASR session.

```java
public class RAASR {
    public int aRun(String fileName,String resultType,Object usrTag) {        
        ...
    }
}
```

--------------------------------

### Initialize RAASR for Speech Recognition

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Construct an instance of the RAASR class using your API key for authentication. Note that this API key differs from the one used for SDK initialization.

```cpp
class SPARKCHAIN_API RAASR {
public:
    RAASR(const string apiKey);
}
```

```cpp
RAASR raAsr(RAAsrAPIKey);//RTASR 初始化
```

--------------------------------

### Get Result Call Limit

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

Indicates the maximum number of times the 'getResult' API can be called for a transcription task.

```Text
Cannot exceed 100 times
```

--------------------------------

### 获取结果接口

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

用于获取已上传音频文件的转写结果。支持GET请求方式。

```APIDOC
## 获取结果接口

### Description
用于获取已上传音频文件的转写结果。支持GET请求方式。

### Method
GET

### Endpoint
https://raasr.xfyun.cn/v2/api/getResult

### Parameters
#### Query Parameters
- **taskId** (string) - Required - The ID of the task for which to retrieve results.

### Request Example
(No specific request example provided in the source)

### Response
#### Success Response (200)
- **data** (object) - Contains the transcription result.
  - **text** (string) - The transcribed text.
  - **status** (string) - The status of the transcription task (e.g., 'SUCCESS', 'PROCESSING', 'FAILED').

#### Response Example
```json
{
  "data": {
    "text": "This is the transcribed text.",
    "status": "SUCCESS"
  },
  "message": "success",
  "status": 0
}
```
```

--------------------------------

### Uninitialization

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Releases SDK resources when the SDK needs to be completely exited.

```APIDOC
## Uninitialization

### Description
Releases SDK resources when the SDK needs to be completely exited.

### Method
`SparkChain.getInst().unInit();`

### Example
```java
SparkChain.getInst().unInit(); // SDK uninitialization
```
```

--------------------------------

### Get Transcription Result Endpoint

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html

This specifies the HTTP POST endpoint for retrieving ASR transcription results. The Content-Type header should be multipart/form-data.

```http
POST http[s]://raasr.xfyun.cn/v2/api/getResult
```

```http
Content-Type: multipart/form-data;
```

--------------------------------

### SparkChainConfig API Methods

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Provides methods to configure the SparkChain SDK, including setting application credentials, user identifiers, working directories, and logging options.

```APIDOC
## SparkChainConfig API

### Description
Methods for configuring the SparkChain SDK before initialization.

### Methods
- **appID(const char* appid)**: Sets the user's application ID.
- **apiKey(const char* apiKey)**: Sets the user's API key.
- **apiSecret(const char* apiSecret)**: Sets the user's API secret.
- **uid(const char* uid)**: Sets a user-defined identifier.
- **workDir(const char* workDir)**: Sets the SDK's working directory.
- **logLevel(int logLevel)**: Sets the logging level.
- **logPath(const char* logPath)**: Sets the path for log file storage.

### Static Method
- **builder()**: Constructs a SparkChain instance.
```

--------------------------------

### Enable Standard WAV Format

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Enables processing for standard WAV audio format (16k/16bit/mono).

```cpp
void standardWav(int standardWav);
```

--------------------------------

### Get Transcription Result

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html

Retrieves the transcription results for a given task ID. The results are available after the transcription process is complete and are stored for 72 hours.

```APIDOC
## GET /v2/api/getResult

### Description
Retrieves the transcription results for a previously uploaded audio file using its task ID. The results are available for 72 hours after completion. Each task ID can be queried up to 100 times.

### Method
GET

### Endpoint
http[s]: //raasr.xfyun.cn/v2/api/getResult

### Parameters
#### Query Parameters
- **taskId** (string) - Required - The unique identifier of the transcription task obtained from the upload response.

### Request Example
(No specific request example provided in the source, but it would typically be a GET request with the taskId as a query parameter.)

### Response
#### Success Response (200)
- **status** (string) - The status of the transcription task (e.g., 'SUCCESS', 'PROCESSING', 'FAILED').
- **result** (string) - The transcribed text if the status is 'SUCCESS'.
- **message** (string) - A message describing the status or any errors.

#### Response Example
{
  "status": "SUCCESS",
  "result": "This is the transcribed text from the audio file.",
  "message": "Transcription completed successfully."
}
```

--------------------------------

### RAASR API

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

API for real-time automatic speech recognition (RAASR) operations, including starting recognition, querying results, and setting recognition parameters.

```APIDOC
## RAASR API

### Description
Handles real-time automatic speech recognition tasks and configurations.

### Methods
- `aRun(String fileName, String resultType, Object usrTag)`: Initiates a recognition request. Returns an integer status code.
- `aGetResult(String orderId, String resultType, Object usrTag)`: Queries the result of a recognition task. Returns an integer status code.
- `language(String language)`: Sets the recognition language.
- `hotWord(String hotWord)`: Sets hot words to improve recognition accuracy for specific terms (format: word1|word2|word3).
- `candidate(int candidate)`: Enables or disables multi-candidate results.
- `roleType(int roleType)`: Enables or disables speaker diarization (role separation).
- `roleNum(int roleNum)`: Sets the number of speakers for role separation.
- `pd(String pd)`: Sets domain personalization parameters.
- `audioMode(String audioMode)`: Specifies the audio upload mode (e.g., 'urlLink').
- `audioUrl(String audioUrl)`: Provides the audio URL when `audioMode` is 'urlLink'.
- `standardWav(int standardWav)`: Specifies if the audio is in standard WAV format (16k/16bit/mono).
- `languageType(int languageType)`: Selects the language identification mode.
- `trackMode(int trackMode)`: Sets the mode for channel-based transcription.
- `transLanguage(String transLanguage)`: Specifies the target language for translation (must differ from recognition language).
- `transMode(int transMode)`: Sets the translation mode.
- `engSegMax(int engSegMax)`: Controls the maximum number of words per segment.
- `engSegMin(int engSegMin)`: Controls the minimum number of words per segment.
- `engSegWeight(float engSegWeight)`: Sets the weight for segment word count.
- `engSmoothproc(boolean engSmoothproc)`: Enables or disables the smoothing process.
- `engColloqproc(boolean engColloqproc)`: Enables or disables the colloquialism regularization process.
- `engVadMdn(int engVadMdn)`: Sets the far/near field mode.
- `engVadMargin(int engVadMargin)`: Determines if leading/trailing silence information is included.
- `engRlang(int engRlang)`: Converts Cantonese recognition results to specific characters.
- `registerCallbacks(RAASRCallbacks cbs)`: Registers a callback listener for recognition events.
```

--------------------------------

### Include SDK Headers

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Include the necessary header files for SparkChain ASR functionality in your C++ project.

```cpp
#include "../../include/sparkchain.h"
#include "../../include/sc_raAsr.h"

```

--------------------------------

### RaAsrTransResult Structure

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

The RaAsrTransResult structure provides details for each translated segment, including segment ID, translated text, start and end times, tags, and roles.

```APIDOC
## RaAsrTransResult Structure

### Description
This structure contains information for individual translated segments.

### Methods
- `segId()`: Returns the segment ID.
- `dst()`: Returns the translated text.
- `bg()`: Returns the start time of the segment in milliseconds.
- `ed()`: Returns the end time of the segment in milliseconds.
- `tags()`: Returns a vector of tags associated with the segment.
- `roles()`: Returns a vector of roles associated with the segment.
```

--------------------------------

### Real-time ASR Constructor

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Construct an RAASR instance using the provided API key for authentication. Note that this API key may differ from the one used for SDK initialization.

```java
public class RAASR {
    public RAASR(String apiKey) {
        ...
    }
}
```

```java
RAASR mRAASR = new RAASR(raAsrApiKey);
```

--------------------------------

### Voice Transcription API - Get Result

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html

This code snippet indicates the endpoint for retrieving transcription results from the API. It specifies the URL and HTTP method for fetching the converted text.

```http
2、获取结果：http[s]: //raasr.xfyun.cn/v2/api/getResult
请求方式 | getResult[GET]
```

--------------------------------

### SDK Uninitialization

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Releases SDK resources when the application is exiting.

```cpp
SparkChain::unInit();  //SDK逆初始化
```

--------------------------------

### SparkChainConfig Class Definition

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Defines the configuration structure for initializing the SparkChain SDK, including methods for setting application credentials, user ID, working directory, log level, and log path.

```cpp
class SPARKCHAIN_API SparkChainConfig {
    public:
    	static SparkChainConfig* builder();
    	virtual ~SparkChainConfig();
    	//配置appid
    	virtual SparkChainConfig* appID(const char* appid)         = 0;
    	//配置apiKey
    	virtual SparkChainConfig* apiKey(const char* apiKey)       = 0;
    	//配置apiSecret
    	virtual SparkChainConfig* apiSecret(const char* apiSecret) = 0;
    	//配置用户自定义标识
    	virtual SparkChainConfig* uid(const char* uid)             = 0;
    	//配置SDK工作路径
    	virtual SparkChainConfig* workDir(const char* workDir)     = 0;
    	//配置日志等级
    	virtual SparkChainConfig* logLevel(int logLevel )          = 0;
    	//配置日志存储路径
    	virtual SparkChainConfig* logPath(const char* logPath)     = 0;
};

```

--------------------------------

### Java SDK Demo for Voice Transcription

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html

This snippet links to a Java SDK demo for voice transcription. It is useful for developers integrating the transcription service using Java.

```java
语音转写demo java语言(opens new window)
```

```java
语音转写JAVA-SDK-DEMO(opens new window)
```

--------------------------------

### Set Audio URL

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Provides the URL for audio files when using the 'urlLink' audio mode.

```cpp
void audioUrl(string audioUrl);
```

--------------------------------

### Sample Response for getResult API

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

This is a sample JSON response from the getResult API, showing the structure of the returned data, including order information and transcription results.

```json
{
 "code": "000000",
 "descInfo": "success",
 "content": {
  "orderInfo": {
   "orderId": "DKHJQ2022090510220905100562536FEF00062",
   "failType": 0,
   "status": 4,
   "originalDuration": 200,
   "realDuration": 1878
  },
  "orderResult": "{\"lattice\":[{\"json_1best\":{\"st\":{\"sc\":\"0.86\",\"pa\":\"0\",\"rt\":[{\"ws\":[{\"cw\":[{\"w\":\"这\",\"wp\":\"n\",\"wc\":\"1.0000\"}],\"wb\":1,\"we\":16},{\"cw\":[{\"w\":\"是\",\"wp\":\"n\",\"wc\":\"1.0000\"}],\"wb\":17,\"we\":36},{\"cw\":[{\"w\":\"一\",\"wp\":\"n\",\"wc\":\"1.0000\"}],\"wb\":37,\"we\":52},{\"cw\":[{\"w\":\"条\",\"wp\":\"n\",\"wc\":\"1.0000\"}],\"wb\":53,\"we\":80},{\"cw\":[{\"w\":\"测试\",\"wp\":\"n\",\"wc\":\"1.0000\"}],\"wb\":81,\"we
:116},{\"cw\":[{\"w\":\"音频\",\"wp\":\"n\",\"wc\":\"1.0000\"}],\"wb\":117,\"we\":172},{\"cw\":[{\"w\":\"。\",\"wp\":\"p\",\"wc\":\"0.0000\"}],\"wb\":172,\"we\":172},{\"cw\":[{\"w\":\"\",\"wp\":\"g\",\"wc\":\"0.0000\"}],\"wb\":172,\"we\":172}]}],\"bg\":\"50\",\"rl\":\"0\",\"ed\":\"1840\"}}"}],"lattice2":[{"lid":"0","end":"1840","begin":"50","json_1best":{"st":{"sc":"0.86","pa":"0","rt":[{"nb":"1","nc":"1.0","ws":[{"cw":[{"w":"这","wp":"n","wc":"1.0000"}],"wb":1,"we":16},{"cw":[{"w":"是","wp":"n","wc":"1.0000"}],"wb":17,"we":36},{"cw":[{"w":"一","wp":"n","wc":"1.0000"}],"wb":37,"we":52},{"cw":[{"w":"条","wp":"n","wc":"1.0000"}],"wb":53,"we":80},{"cw":[{"w":"测试","wp":"n","wc":"1.0000"}],"wb":81,"we":116},{"cw":[{"w":"音频","wp":"n","wc":"1.0000"}],"wb":117,"we":172},{"cw":[{"w":"。","wp":"p","wc":"0.0000"}],"wb":172,"we":172},{"cw":[{"w":"","wp":"g","wc":"0.0000"}],"wb":172,"we":172}]}],"pt":"reserved","bg":"50","si":"0","rl":"0","ed":"1840"}},"spk":"段落-0"}]}",
  "taskEstimateTime": 0
 }
}
```

--------------------------------

### Python SDK Demo for Voice Transcription

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html

This snippet provides a link to a Python SDK demo for voice transcription. It is intended for developers using Python to integrate the transcription service.

```python
语音转写demo python语言(opens new window)
```

```python
PYTHON-SDK-DEMO(opens new window)
```

--------------------------------

### Set Audio Upload Mode

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Defines how audio data is uploaded to the service.

```cpp
void audioMode(string audioMode);
```

--------------------------------

### SparkChain API Methods

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Core methods for managing the SparkChain SDK lifecycle, including initialization and deinitialization.

```APIDOC
## SparkChain API

### Description
Core methods for initializing and deinitializing the SparkChain SDK.

### Methods
- **init(SparkChainConfig* config)**: Initializes the SDK with the provided configuration. Returns an integer status code.
- **unInit()**: Deinitializes the SDK and releases resources. Returns an integer status code.
```

--------------------------------

### RTASRResult Original Duration Method

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Returns the duration of the original audio file.

```cpp
virtual long originalDuration() = 0;
```

--------------------------------

### File Upload Request URL

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

This is the URL for initiating the file upload process. It includes query parameters for configuration.

```http
https://raasr.xfyun.cn/v2/api/upload?duration=200&signa=Je5YsBvPcsbB4qy8Qvzd367fiv0%3D&fileName=%E9%98%B3%E5%85%89%E6%80%BB%E5%9C%A8%E9%A3%8E%E9%9B%A8%E5%90%8E.speex-wb&fileSize=11895&sysDicts=uncivilizedLanguage&appId=3e79d91c&ts=1662101767
```

--------------------------------

### 文件上传接口

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

用于上传音频文件进行转写。推荐使用https协议以提高安全性。

```APIDOC
## 文件上传接口

### Description
用于上传音频文件进行转写。推荐使用https协议以提高安全性。

### Method
POST

### Endpoint
https://raasr.xfyun.cn/v2/api/upload

### Parameters
#### Request Body
- **audio** (file) - Required - The audio file to be transcribed.
- **taskId** (string) - Optional - A unique identifier for the task.
- **subType** (string) - Optional - The type of transcription (e.g., 'normal', 'dictation').
- **language** (string) - Optional - The language of the audio (e.g., 'cn', 'en').

### Request Example
(No specific request body example provided in the source)

### Response
#### Success Response (200)
- **data** (object) - Contains the upload result.
  - **taskId** (string) - The ID of the uploaded task.
  - **audioUrl** (string) - The URL of the uploaded audio file.

#### Response Example
```json
{
  "data": {
    "taskId": "your_task_id",
    "audioUrl": "your_audio_url"
  },
  "message": "success",
  "status": 0
}
```
```

--------------------------------

### SDK Uninitialization

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Releases SDK resources when the application is exiting.

```APIDOC
## SDK Uninitialization

### Description
Call this method to release all resources allocated by the SDK when the application is shutting down.

### Method
`SparkChain::unInit();`
```

--------------------------------

### Set Domain Personalization

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Configures domain-specific personalization parameters for ASR.

```cpp
void pd(string pd);
```

--------------------------------

### SparkChainConfig API

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Provides methods to configure the SparkChain SDK, including setting application IDs, API keys, and logging preferences.

```APIDOC
## SparkChainConfig API

### Description
Methods for configuring the SparkChain SDK.

### Methods
- `appID(String appID)`: Sets the user's appID.
- `apiKey(String apiKey)`: Sets the user's apiKey.
- `apiSecret(String apiSecret)`: Sets the user's apiSecret.
- `uid(String uid)`: Sets a custom user identifier.
- `workDir(String workDir)`: Sets the SDK working directory.
- `logLevel(int logLevel)`: Sets the logging level.
- `logPath(String logPath)`: Sets the path for saving logs.
- `builder()`: Static method to construct a SparkChain instance.
```

--------------------------------

### RTASRResult Status Method

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Returns the current status of the ASR order.

```cpp
virtual int status() = 0;
```

--------------------------------

### SparkChain API

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Core API for managing the SparkChain instance, including initialization and deinitialization.

```APIDOC
## SparkChain API

### Description
Manages the SparkChain instance lifecycle and initialization.

### Methods
- `getInst()`: Static method to get the SparkChain instance.
- `init(Context context, SparkChainConfig config)`: Initializes the SDK with a configuration object. Returns an integer status code.
- `init(Context context)`: Initializes the SDK with default configuration. Returns an integer status code.
- `unInit()`: Deinitializes the SDK. Returns an integer status code.
- `getInitCode()`: Retrieves the SDK initialization result code.
```

--------------------------------

### RTASRResult Translation Result Method

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Returns the translation results for the order.

```cpp
virtual vector<RaAsrTransResult*> transResult() = 0;
```

--------------------------------

### Enable Multiple Candidates

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Enables the generation of multiple recognition candidates.

```cpp
void candidate(int candidate);
```

--------------------------------

### RTASRResult Order Result Method

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Linux.html

Returns the transcribed text result for the order.

```cpp
virtual string orderResult() = 0;
```

--------------------------------

### File Upload

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html

Uploads audio file information and configuration parameters to initiate a transcription task. Returns an order ID upon successful upload.

```APIDOC
## POST /v2/api/upload

### Description
Initiates an audio transcription task by uploading file metadata and configuration parameters. A unique order ID is returned upon successful upload, which is required for subsequent API calls.

### Method
POST

### Endpoint
https://raasr.xfyun.cn/v2/api/upload

### Parameters
#### Query Parameters
- **fileName** (String) - Required - The name of the audio file, preferably with the correct extension.
- **fileSize** (Long) - Required - The size of the audio file in bytes. This is primarily for local file stream validation.
- **duration** (Long) - Required - The actual duration of the audio in seconds.
- **language** (String) - Optional - The language of the audio. Defaults to 'cn'. Supported values include 'cn', 'en', 'ja', 'ko', 'ru', 'fr', 'es', 'vi', 'ar', 'de', 'it', 'hi', and various Chinese dialects.
- **callbackUrl** (String) - Optional - A URL to receive asynchronous notifications upon task completion. The URL will have parameters like `orderId` and `status` appended.
- **hotWord** (String) - Optional - A pipe-separated list of hot words to improve recognition of specialized terms. Each hot word must be between 2 and 16 characters.
- **candidate** (Short) - Optional - Enables multi-candidate output. 0: Disabled (default), 1: Enabled.
- **roleType** (Short) - Optional - Enables speaker role separation. 0: Disabled (default), 1: Enabled.
- **roleNum** (Short) - Optional - The number of speakers for role separation (0-10). Defaults to 0 (blind scoring). Only effective if role separation is enabled.
- **pd** (String) - Optional - Specifies the domain for personalized recognition. Options include 'court', 'edu', 'finance', 'medical', 'tech', 'culture', 'isp', 'sport', 'gov', 'game', 'ecom', 'mil', 'com', 'life', 'ent', 'car', 'audio'.
- **audioMode** (String) - Optional - The method for uploading audio. 'fileStream' (default) or 'urlLink'.
- **audioUrl** (String) - Optional - The URL of the audio file when `audioMode` is 'urlLink'. Must be URL-encoded if it contains special characters.
- **standardWav** (Int) - Optional - Specifies if the audio is in standard PCM/WAV format (16k/16bit/mono). 0: No (default), 1: Yes.
- **languageType** (Int) - Optional - Language recognition mode. For 'cn', options are 1: Auto English/Chinese (default), 2: Chinese with some English, 4: Pure Chinese.
- **trackMode** (Short) - Optional - Specifies track separation mode for transcription (supported for 'cn', 'en'). 1: No separation (default), 2: Dual-channel separation (requires dual-channel audio).
- **transLanguage** (String) - Optional - The target language for translation. Must be different from the transcription language.
- **transMode** (Short) - Optional - Translation mode. Defaults to 2 (paragraph translation). Options: 1: VAD-based, 2: Paragraph-based, 3: Full document.
- **eng_seg_max** (Int) - Optional - Maximum number of words for segmenting text (0-500).
- **eng_seg_min** (Int) - Optional - Minimum number of words for segmenting text (0-50).
- **eng_seg_weight** (Float) - Optional - Weight for word count-based segmentation (0-0.05).
- **eng_smoothproc** (boolean) - Optional - Enables smooth processing. `true` to enable (default), `false` to disable.
- **eng_colloqproc** (boolean) - Optional - Enables colloquialism regularization. `true` to enable, `false` to disable (default).
- **eng_vad_mdn** (int) - Optional - Far-field or near-field mode. 1: Far-field (default), 2: Near-field.
- **eng_vad_margin** (int) - Optional - Whether to include leading/trailing silence information. 0: Do not show, 1: Show (default).
- **eng_rlang** (int) - Optional - Font conversion for Cantonese transcription. 0: Simplified Chinese, 1: Traditional Chinese (default).

### Request Example
```json
https://raasr.xfyun.cn/v2/api/upload?duration=200&signa=Je5YsBvPcsbB4qy8Qvzd367fiv0%3D&fileName=%E9%98%B3%E5%85%89%E6%80%BB%E5%9C%A8%E9%A3%8E%E9%9B%A8%E5%90%8E.speex-wb&fileSize=11895&sysDicts=uncivilizedLanguage&appId=3e79d91c&ts=1662101767
```

### Request Body
(Not applicable for this endpoint as parameters are sent via query string. For audio stream mode, the audio file should be in the body with `Content-Type: application/octet-stream`.)

### Response
#### Success Response (200)
- **code** (String) - Success code ('000000').
- **descInfo** (String) - Success message ('success').
- **content** (Object) - Contains the order ID and estimated task time.
  - **orderId** (String) - The unique identifier for the transcription task.
  - **taskEstimateTime** (Int) - Estimated time for task completion in milliseconds.

#### Response Example (Success)
```json
{
 "code": "000000",
 "descInfo": "success",
 "content": {
  "orderId": "DKHJQ202209021522090215490FAAE7DD0008C",
  "taskEstimateTime": 28000
 }
}
```

#### Error Response
- **code** (String) - Error code (e.g., '26600').
- **descInfo** (String) - Error message (e.g., '转写业务通用错误').

#### Response Example (Failure)
```json
{
 "code": "26600",
 "descInfo": "转写业务通用错误"
}
```
```

--------------------------------

### Generate Base String for Signature

Source: https://www.xfyun.cn/doc/asr/ifasr_new/API.html#%E6%8E%A5%E5%8F%A3%E8%A6%81%E6%B1%82

Constructs the base string by concatenating AppID and timestamp, used for signature generation.

```text
baseString 由 appid 和当前时间戳 ts 拼接而成；
假如 appid = 595f23df，ts = 1512041814，则 baseString = 595f23df1512041814
```

--------------------------------

### Import SparkChain AAR Library

Source: https://www.xfyun.cn/doc/asr/ifasr_new/Android.html

Add this configuration to your main Module's build.gradle file to include the SparkChain.aar library in your Android project.

```gradle
implementation files('libs/SparkChain.aar')
```