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/***************************************************************************
hadifixproc.h - description
-------------------
begin : Mon Okt 14 2002
copyright : (C) 2002 by Gunnar Schmi Dt
email : gunnar@schmi-dt.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef _HADIFIXPROC_H_
#define _HADIFIXPROC_H_
#include <qstringlist.h>
#include <pluginproc.h>
class KProcess;
class HadifixProcPrivate;
class HadifixProc : public PlugInProc{
Q_OBJECT
public:
enum VoiceGender {
MaleGender = 2,
FemaleGender = 1,
NoGender = 0,
NoVoice = -1
};
/** Constructor */
HadifixProc( QObject* parent = 0, const char* name = 0, const QStringList &args = QStringList());
/** Destructor */
~HadifixProc();
/** Initializate the speech */
virtual bool init (KConfig *config, const QString &configGroup);
/**
* Say a text. Synthesize and audibilize it.
* @param text The text to be spoken.
*
* If the plugin supports asynchronous operation, it should return immediately
* and emit sayFinished signal when synthesis and audibilizing is finished.
* It must also implement the @ref getState method, which must return
* psFinished, when saying is completed.
*/
virtual void sayText(const QString &text);
/**
* Synthesize text into an audio file, but do not send to the audio device.
* @param text The text to be synthesized.
* @param suggestedFilename Full pathname of file to create. The plugin
* may ignore this parameter and choose its own
* filename. KTTSD will query the generated
* filename using getFilename().
*
* If the plugin supports asynchronous operation, it should return immediately
* and emit @ref synthFinished signal when synthesis is completed.
* It must also implement the @ref getState method, which must return
* psFinished, when synthesis is completed.
*/
virtual void synthText(const QString &text, const QString &suggestedFilename);
/**
* Get the generated audio filename from call to @ref synthText.
* @return Name of the audio file the plugin generated.
* Null if no such file.
*
* The plugin must not re-use or delete the filename. The file may not
* be locked when this method is called. The file will be deleted when
* KTTSD is finished using it.
*/
virtual QString getFilename();
/**
* Stop current operation (saying or synthesizing text).
* Important: This function may be called from a thread different from the
* one that called sayText or synthText.
* If the plugin cannot stop an in-progress @ref sayText or
* @ref synthText operation, it must not block waiting for it to complete.
* Instead, return immediately.
*
* If a plugin returns before the operation has actually been stopped,
* the plugin must emit the @ref stopped signal when the operation has
* actually stopped.
*
* The plugin should change to the psIdle state after stopping the
* operation.
*/
virtual void stopText();
/**
* Return the current state of the plugin.
* This function only makes sense in asynchronous mode.
* @return The pluginState of the plugin.
*
* @see pluginState
*/
virtual pluginState getState();
/**
* Acknowledges a finished state and resets the plugin state to psIdle.
*
* If the plugin is not in state psFinished, nothing happens.
* The plugin may use this call to do any post-processing cleanup,
* for example, blanking the stored filename (but do not delete the file).
* Calling program should call getFilename prior to ackFinished.
*/
virtual void ackFinished();
/**
* Returns True if the plugin supports asynchronous processing,
* i.e., returns immediately from sayText or synthText.
* @return True if this plugin supports asynchronous processing.
*
* If the plugin returns True, it must also implement @ref getState .
* It must also emit @ref sayFinished or @ref synthFinished signals when
* saying or synthesis is completed.
*/
virtual bool supportsAsync();
/**
* Returns True if the plugin supports synthText method,
* i.e., is able to synthesize text to a sound file without
* audibilizing the text.
* @return True if this plugin supports synthText method.
*
* If the plugin returns True, it must also implement the following methods:
* - @ref synthText
* - @ref getFilename
* - @ref ackFinished
*
* If the plugin returns True, it need not implement @ref sayText .
*/
virtual bool supportsSynth();
/**
* Synthesize text using a specified configuration.
* @param text The text to synthesize.
* @param hadifix Command to run hadifix (txt2pho).
* @param isMale True to use male voice.
* @param mbrola Command to run mbrola.
* @param voice Voice file for mbrola to use.
* @param volume Volume percent. 100 = normal
* @param time Speed percent. 100 = normal
* @param pitch Frequency. 100 = normal
* @param waveFilename Name of file to synthesize to.
*/
void synth(QString text,
QString hadifix, bool isMale,
QString mbrola, QString voice,
int volume, int time, int pitch,
QTextCodec* codec,
const QString waveFilename);
/**
* Static function to determine whether the voice file is male or female.
* @param mbrola the mbrola executable
* @param voice the voice file
* @param output the output of mbrola will be written into this QString*
* @return HadifixSpeech::MaleGender if the voice is male,
* HadifixSpeech::FemaleGender if the voice is female,
* HadifixSpeech::NoGender if the gender cannot be determined,
* HadifixSpeech::NoVoice if there is an error in the voice file
*/
static VoiceGender determineGender(QString mbrola, QString voice, QString *output = 0);
/**
* Returns the name of an XSLT stylesheet that will convert a valid SSML file
* into a format that can be processed by the synth. For example,
* The Festival plugin returns a stylesheet that will convert SSML into
* SABLE. Any tags the synth cannot handle should be stripped (leaving
* their text contents though). The default stylesheet strips all
* tags and converts the file to plain text.
* @return Name of the XSLT file.
*/
virtual QString getSsmlXsltFilename();
private slots:
void slotProcessExited(KProcess*);
void slotWroteStdin(KProcess*);
void receivedStdout (KProcess *, char *buffer, int buflen);
void receivedStderr (KProcess *, char *buffer, int buflen);
private:
HadifixProcPrivate *d;
QString stdOut;
QString stdErr;
};
#endif
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