Rockbox Utility TTS: implement reading TTS vendor.

Support retrieving the vendor name of the TTS. This will be used by TTS string
corrections. Currently no other TTS but SAPI supports this, and only correction
strings for SAPI voices depend on the vendor information.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30609 a1c6a512-1295-4272-9138-f99709370657

rbutil/rbutilqt/base/ttsbase.h

@@ -47,6 +47,7 @@ class TTSBase : public EncTtsSettingInterface
         //! child class should stop
         virtual bool stop() =0;
         
+        virtual QString voiceVendor(void) = 0;
         // configuration
         //! Child class should return true, when configuration is good
         virtual bool configOk()=0;        
@@ -60,7 +61,7 @@ class TTSBase : public EncTtsSettingInterface
         // static functions
         static TTSBase* getTTS(QObject* parent,QString ttsname);
         static QStringList getTTSList();
-        static QString getTTSName(QString tts); 
+        static QString getTTSName(QString tts);
                 
     private:
         //inits the tts List

rbutil/rbutilqt/base/ttscarbon.h

@@ -45,6 +45,7 @@ class TTSCarbon : public TTSBase
         bool start(QString *errStr);
         //! child class should stop
         bool stop() ;
+        QString voiceVendor(void) { return QString(); }
 
         // configuration
         //! Child class should return true, when configuration is good

rbutil/rbutilqt/base/ttsexes.h

@@ -38,6 +38,7 @@ class TTSExes : public TTSBase
         TTSStatus voice(QString text, QString wavfile, QString *errStr);
         bool start(QString *errStr);
         bool stop() {return true;}
+        QString voiceVendor(void) { return QString(); }
         Capabilities capabilities();
 
         // for settings

rbutil/rbutilqt/base/ttsfestival.h

@@ -42,6 +42,7 @@ class TTSFestival : public TTSBase
         bool start(QString *errStr);
         bool stop();
         TTSStatus voice(QString text,QString wavfile,  QString *errStr);
+        QString voiceVendor(void) { return QString(); }
         Capabilities capabilities();
 
         // for settings

rbutil/rbutilqt/base/ttssapi.cpp

@@ -26,8 +26,9 @@ TTSSapi::TTSSapi(QObject* parent) : TTSBase(parent)
 {
     m_TTSTemplate = "cscript //nologo \"%exe\" /language:%lang /voice:\"%voice\""
         " /speed:%speed \"%options\"";
-    defaultLanguage ="english";
-    m_sapi4 =false;
+    defaultLanguage = "english";
+    m_sapi4 = false;
+    m_started = false;
 }
 
 TTSBase::Capabilities TTSSapi::capabilities()
@@ -138,9 +139,29 @@ bool TTSSapi::start(QString *errStr)
     voicestream = new QTextStream(voicescript);
     voicestream->setCodec("UTF16-LE");
 
+    m_started = true;
     return true;
 }
 
+QString TTSSapi::voiceVendor(void)
+{
+    bool keeprunning = m_started;
+    QString vendor;
+    if(!m_started) {
+        QString error;
+        start(&error);
+    }
+    *voicestream << "QUERY\tVENDOR\r\n";
+    voicestream->flush();
+    while((vendor = voicestream->readLine()).isEmpty())
+            QCoreApplication::processEvents();
+
+    qDebug() << "[TTSSAPI] TTS vendor:" << vendor;
+    if(!keeprunning) {
+        stop();
+    }
+    return vendor;
+}
 
 QStringList TTSSapi::getVoiceList(QString language)
 {
@@ -226,6 +247,7 @@ bool TTSSapi::stop()
             | QFile::ReadGroup | QFile::WriteGroup | QFile::ExeGroup
             | QFile::ReadOther | QFile::WriteOther | QFile::ExeOther );
     QFile::remove(QDir::tempPath() +"/sapi_voice.vbs");
+    m_started = false;
     return true;
 }
 

rbutil/rbutilqt/base/ttssapi.h

@@ -42,6 +42,7 @@ class TTSSapi : public TTSBase
         TTSStatus voice(QString text,QString wavfile, QString *errStr);
         bool start(QString *errStr);
         bool stop();
+        QString voiceVendor(void);
         Capabilities capabilities();
 
         // for settings
@@ -49,8 +50,8 @@ class TTSSapi : public TTSBase
         void generateSettings();
         void saveSettings();
 
-        private slots:
-            void updateVoiceList();
+    private slots:
+        void updateVoiceList();
 
     private:
         QStringList getVoiceList(QString language);
@@ -66,6 +67,7 @@ class TTSSapi : public TTSBase
         QString m_TTSVoice;
         QString m_TTSSpeed;
         bool m_sapi4;
+        bool m_started;
 };