更新时间:2023-11-20 GMT+08:00
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使用实时语音合成

前提条件

初始化Client

初始化RttsClient,其参数包括AuthInfo

表1 AuthInfo

参数名称

是否必选

参数类型

描述

ak

String

用户的ak,可参考AK/SK认证

sk

String

用户的sk,可参考AK/SK认证

projectId

String

项目ID,同region一一对应,参考获取项目ID

region

String

区域,如cn-north-4,参考终端节点

endpoint

String

终端节点,参考地区和终端节点。一般使用默认即可。

请求参数

请求类为RttsRequest,详见表 RttsRequest

表2 RttsRequest

参数名称

是否必选

参数类型

描述

text

String

待合成文本,不超过500字。

通过set方法可以设置具体参数,详见表 RttsRequest设置参数

表3 RttsRequest设置参数

方法名称

是否必选

参数类型

描述

SetAudioFormat

String

设置语音格式,默认pcm。

SetAudioProperty

String

设置语音合成特征字符串,{language}_{speaker}_{domain},即“语种_人员标识_领域”。默认chinese_xiaoyan_common 。详见API文档

SetSampleRate

String

设置采样率:8000、16000,默认8000。

SetPitch

Integer

设置音高,-500~500,默认0。

SetVolume

Integer

设置音量,0~100,默认50。

SetSpeed

Integer

设置语速,-500~500,默认0。

示例代码

如下示例仅供参考,最新代码请前往获取SDK章节获取并运行。

#include "IoUtil.h"
#include "RttsClient.h"
#include "RttsRequest.h"

void OnRttsConnect() {
	std::cout << "now rtts client Connect success" << std::endl;
}

void OnRttsStart(std::string text) {
	std::cout << "now rtts client receive start response: " << text << std::endl;
}

void OnRttsEnd(std::string text) {
	std::cout << "now rtts client  receive end response: " << text << std::endl;
}


void OnRttsClose() {
	std::cout << "now rtts client receive Close" << std::endl;
}

void OnRttsError(std::string text) {
	std::cout << "now  rtts client receive error: " << text << std::endl;
}


void OnRttsBinary(std::string binaryData) {
	// data content can be avaliable by data() method, data length can be avaliable by size() method
	// const char* data = binaryData.data();
	// int dataLength = binaryData.size();
	std::cout << "now rtts client receive binary data " << binaryData.size() << std::endl;
}

void RttsTest() {
	// 1. config parameter
	// 1.1 init authInfo
        // 认证用的ak和sk硬编码到代码中或者明文存储都有很大的安全风险,建议在配置文件或者环境变量中密文存放,使用时解密,确保安全;
       // 本示例以ak和sk保存在环境变量中来实现身份验证为例,运行本示例前请先在本地环境中设置环境变量HUAWEICLOUD_SDK_AK和HUAWEICLOUD_SDK_SK
	std::string ak = GetEnv("HUAWEICLOUD_SDK_AK");
	std::string sk = GetEnv("HUAWEICLOUD_SDK_SK");
	std::string region = "";
	std::string projectId = "";
	AuthInfo authInfo(ak, sk, region, projectId);

	// 1.2 config Connect parameter
	HttpConfig httpConfig;
	httpConfig.SetReadTimeout(20000);
	httpConfig.SetConnectTimeout(20000);

	// 1.3 config callback, callback function are optional, if not set, it will use function in RttsListner
	WebsocketService::ptr websocketServicePtr = websocketpp::lib::make_shared<WebsocketService>();
	websocketServicePtr->SetOnConnectFunc(OnRttsConnect);       // Connect success callback
	websocketServicePtr->SetOnStartFunc(OnRttsStart);				// receive start response callback
	websocketServicePtr->SetOnEndFunc(OnRttsEnd);               // receive end response callback
	websocketServicePtr->SetOnCloseFunc(OnRttsClose);           // Close callback
	websocketServicePtr->SetOnErrorFunc(OnRttsError);           // receive error callback
	websocketServicePtr->SetOnBinaryFunc(OnRttsBinary);     // receive binary callback

	// 1.3 option, use RttsListener, which can save file; You can edit RttsListener.h to finish your own business
	//WebsocketService::ptr websocketServicePtr = websocketpp::lib::make_shared<WebsocketService>();
	//RttsListener rttsListener;
	//rttsListener.SetSaved(true);
	//rttsListener.SetFilePath("d:/test5.pcm");
        //websocketServicePtr->SetRttsListener(rttsListener);


	// 1.4 config request parameter
	std::string text = AnsiToUtf8("华为致力于把数字世界带入每个人每个家庭每个组织,构建万物互联的智能世界。");
	RttsRequest request(text);
	request.SetAudioFormat("pcm");
	request.SetVolume(50);
	request.SetSpeed(0);
	request.SetPitch(0);
	request.SetSampleRate("8000");
	request.SetAudioProperty("chinese_xiaoyan_common");


	// 2. init client
	RttsClient* rttsClient = new RttsClient(authInfo, websocketServicePtr, httpConfig);

	// 3. send request
	rttsClient->Synthesis(request);
	// wait for save file, if setSaved false in rttsListener or don't use rttsListener, it can be removed.
	std::this_thread::sleep_for(std::chrono::milliseconds(2000));
	delete rttsClient;

}

int main(){
    RttsTest();
    return 0;
}

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