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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2025 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
*
* Web Page: http://brltty.app/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#ifndef BRLTTY_INCLUDED_SPK_THREAD
#define BRLTTY_INCLUDED_SPK_THREAD
#include "spk_types.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifdef ENABLE_SPEECH_SUPPORT
extern int constructSpeechDriverThread (
SpeechSynthesizer *spk,
char **parameters
);
extern void destroySpeechDriverThread (
SpeechSynthesizer *spk
);
extern int speechRequest_sayText (
SpeechDriverThread *sdt,
const char *text, size_t length,
size_t count, const unsigned char *attributes,
SayOptions options
);
extern int speechRequest_muteSpeech (
SpeechDriverThread *sdt
);
extern int speechRequest_drainSpeech (
SpeechDriverThread *sdt
);
extern int speechRequest_setVolume (
SpeechDriverThread *sdt,
unsigned char setting
);
extern int speechRequest_setRate (
SpeechDriverThread *sdt,
unsigned char setting
);
extern int speechRequest_setPitch (
SpeechDriverThread *sdt,
unsigned char setting
);
extern int speechRequest_setPunctuation (
SpeechDriverThread *sdt,
SpeechPunctuation setting
);
extern int speechMessage_speechFinished (
SpeechDriverThread *sdt
);
extern int speechMessage_speechLocation (
SpeechDriverThread *sdt,
int location
);
#endif /* ENABLE_SPEECH_SUPPORT */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_SPK_THREAD */
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