Qt利用MS Speech SDK5.1实现文本朗读

#include "speechClass.h" #define Eng 0x00 #define Chn 0x01 //构造函数 speech::speech() { hr = S_OK; WCHAR *w1 = L"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Speech\\Voices\\Tokens\\MSSimplifiedChineseVoice"; WCHAR *w2 = L"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Speech\\Voices\\Tokens\\MSMike"; pChnToken = w1; pEngToken = w2; if (SUCCEEDED(hr)) hr = pVoice.CoCreateInstance( CLSID_SpVoice ); over = true; } speech::~speech() { pChnToken = NULL; pEngToken = NULL; } /**********************************************************************/ //将文本text转化成语音，支持中英文混读 /**********************************************************************/ void speech::speak(QString text) { QChar curr; QString str; int flagCur; int flagPre(Chn); int cnt(0); int first(0); int len = text.length(); for (int i = 0; i < len; ++i) { curr = text.at(i);//获取第i个位置的字符 if ((curr >= 32 & curr <= 47) || (curr >= 58 && curr <= 64)) flagCur = flagPre; //如果是空格或者标点符号，标志不变 else { if ((curr >= 'A' && curr <= 'Z') || (curr>='a' && curr<='z')) flagCur = Eng; else flagCur = Chn; } if (flagCur == flagPre) cnt++; else { if (cnt != 0) //字符类型变化，读出前面的文本 { str = text.mid(first, cnt); sounding(str, flagPre); } flagPre = flagCur; first = i; cnt = 1; } } //阅读最后一段内容 str = text.mid(first, cnt); sounding(str, flagCur); } /**********************************************************************/ //把文本s读出来，若voice = Eng, 读英文， 若voice = Chn, 读中文 /**********************************************************************/ void speech::sounding(QString s, int voice) { //把s转化为WCHAR类型的字符串 WCHAR *w; w = new WCHAR[s.length()+1]; s.toWCharArray(w); w[s.length()] = 0; //根据voice的值选择发音类型, 中文 or 英文 if (SUCCEEDED(hr)) { if (voice == Eng) hr = SpGetTokenFromId(pEngToken, &pToken); else if (voice == Chn) hr = SpGetTokenFromId(pChnToken, &pToken); } if (SUCCEEDED(hr)) hr = pVoice->SetVoice(pToken); //发音 if(SUCCEEDED(hr)) hr = pVoice->Speak(w, SPF_DEFAULT | SVSFlagsAsync, NULL); //释放令牌 pToken.Release(); delete w; } /**********************************************************************/ //获取当前语音音量大小 /**********************************************************************/ int speech::getVolume() { USHORT v; if(SUCCEEDED(hr)) hr = pVoice->GetVolume(&v); return (int)v; } /**********************************************************************/ //获取当前语音速度大小 /**********************************************************************/ int speech::getRate() { long r; if (SUCCEEDED(hr)) hr = pVoice->GetRate(&r); return (int)r; } /**********************************************************************/ //设置语音音量，大小为volume /**********************************************************************/ void speech::setVolume(int volume) { if(SUCCEEDED(hr)) hr = pVoice->SetVolume((USHORT)volume); } /**********************************************************************/ //设置语音速度，大小为rate /**********************************************************************/ void speech::setRate(int rate) { if(SUCCEEDED(hr)) hr = pVoice->SetRate((long)rate); } /**********************************************************************/ //暂停当前播放 /**********************************************************************/ void speech::pause() { over = false; if (SUCCEEDED(hr)) hr = pVoice->Pause(); } /**********************************************************************/ //继续当前播放 /**********************************************************************/ void speech::resume() { over = true; if (SUCCEEDED(hr)) hr = pVoice->Resume(); } /**********************************************************************/ //结束当前播放 /**********************************************************************/ void speech::finish() { over = true; if (SUCCEEDED(hr)) hr = pVoice->Speak(NULL, SPF_PURGEBEFORESPEAK, 0); }