HomoFast-eSpeak-Persian/src/libespeak-ng/espeak_api.c

/* An implementation of the eSpeak API using the espeak-ng API.
 *
 * Copyright (C) 2005 to 2013 by Jonathan Duddington
 * email: [email protected]
 * Copyright (C) 2016 Reece H. Dunn
 *
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see: <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include "speak_lib.h"
#include "espeak_ng.h"

#include <errno.h>
#include <stdlib.h>
#if HAVE_STDINT_H
#include <stdint.h>
#endif

#include "speech.h"
#include "phoneme.h"
#include "synthesize.h"
#include "translate.h"

#include "event.h"

static espeak_ERROR status_to_espeak_error(espeak_ng_STATUS status)
{
	switch (status)
	{
	case ENS_OK:               return EE_OK;
	case ENOENT:               return EE_NOT_FOUND;
	case ENS_FIFO_BUFFER_FULL: return EE_BUFFER_FULL;
	default:                   return EE_INTERNAL_ERROR;
	}
}

#pragma GCC visibility push(default)

ESPEAK_API int espeak_Initialize(espeak_AUDIO_OUTPUT output_type, int buf_length, const char *path, int options)
{
	espeak_ng_InitializePath(path);
	espeak_ng_STATUS result = espeak_ng_Initialize();
	if (result != ENS_OK) {
		if (result == ENS_VERSION_MISMATCH)
			fprintf(stderr, "Wrong version of espeak-data\n");
		else {
			fprintf(stderr, "Failed to load espeak-data\n");
			if ((options & espeakINITIALIZE_DONT_EXIT) == 0)
				exit(1);
		}
	}

	switch (output_type)
	{
	case AUDIO_OUTPUT_PLAYBACK:
		espeak_ng_InitializeOutput(ENOUTPUT_MODE_SPEAK_AUDIO, buf_length, NULL);
		break;
	case AUDIO_OUTPUT_RETRIEVAL:
		espeak_ng_InitializeOutput(0, buf_length, NULL);
		break;
	case AUDIO_OUTPUT_SYNCHRONOUS:
		espeak_ng_InitializeOutput(ENOUTPUT_MODE_SYNCHRONOUS, buf_length, NULL);
		break;
	case AUDIO_OUTPUT_SYNCH_PLAYBACK:
		espeak_ng_InitializeOutput(ENOUTPUT_MODE_SYNCHRONOUS | ENOUTPUT_MODE_SPEAK_AUDIO, buf_length, NULL);
		break;
	}

	option_phoneme_events = (options & (espeakINITIALIZE_PHONEME_EVENTS | espeakINITIALIZE_PHONEME_IPA));

	return espeak_ng_GetSampleRate();
}

ESPEAK_API void espeak_SetSynthCallback(t_espeak_callback *SynthCallback)
{
	synth_callback = SynthCallback;
#ifdef USE_ASYNC
	event_set_callback(synth_callback);
#endif
}

ESPEAK_API void espeak_SetUriCallback(int (*UriCallback)(int, const char *, const char *))
{
	uri_callback = UriCallback;
}

ESPEAK_API void espeak_SetPhonemeCallback(int (*PhonemeCallback)(const char *))
{
	phoneme_callback = PhonemeCallback;
}

ESPEAK_API espeak_ERROR espeak_Synth(const void *text, size_t size,
                                     unsigned int position,
                                     espeak_POSITION_TYPE position_type,
                                     unsigned int end_position, unsigned int flags,
                                     unsigned int *unique_identifier, void *user_data)
{
	return status_to_espeak_error(espeak_ng_Synthesize(text, size, position, position_type, end_position, flags, unique_identifier, user_data));
}

ESPEAK_API espeak_ERROR espeak_Synth_Mark(const void *text, size_t size,
                                          const char *index_mark,
                                          unsigned int end_position,
                                          unsigned int flags,
                                          unsigned int *unique_identifier,
                                          void *user_data)
{
	return status_to_espeak_error(espeak_ng_SynthesizeMark(text, size, index_mark, end_position, flags, unique_identifier, user_data));
}

ESPEAK_API espeak_ERROR espeak_Key(const char *key_name)
{
	return status_to_espeak_error(espeak_ng_SpeakKeyName(key_name));
}

ESPEAK_API espeak_ERROR espeak_Char(wchar_t character)
{
	return status_to_espeak_error(espeak_ng_SpeakCharacter(character));
}

ESPEAK_API espeak_ERROR espeak_SetParameter(espeak_PARAMETER parameter, int value, int relative)
{
	return status_to_espeak_error(espeak_ng_SetParameter(parameter, value, relative));
}

ESPEAK_API espeak_ERROR espeak_SetPunctuationList(const wchar_t *punctlist)
{
	return status_to_espeak_error(espeak_ng_SetPunctuationList(punctlist));
}

ESPEAK_API espeak_ERROR espeak_Cancel(void)
{
	return status_to_espeak_error(espeak_ng_Cancel());
}

ESPEAK_API void espeak_CompileDictionary(const char *path, FILE *log, int flags)
{
	espeak_ng_CompileDictionary(path, dictionary_name, log, flags);
}

#pragma GCC visibility pop