mirror of
https://github.com/rhasspy/espeak-ng.git
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95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/*
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* Copyright (C) 2014-2017 Eitan Isaacson
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see: <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <emscripten.h>
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#include "speak_lib.h"
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static int gSamplerate = 0;
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class eSpeakNGWorker {
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public:
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eSpeakNGWorker() : rate(espeakRATE_NORMAL), pitch(50), current_voice(NULL) {
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if (!gSamplerate) {
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gSamplerate = espeak_Initialize(
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AUDIO_OUTPUT_SYNCHRONOUS, 100, NULL, espeakINITIALIZE_DONT_EXIT);
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}
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samplerate = gSamplerate;
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voices = espeak_ListVoices(NULL);
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}
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void synth_(const char* aText, void* aCallback) {
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t_espeak_callback* cb = reinterpret_cast<t_espeak_callback*>(aCallback);
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espeak_SetSynthCallback(cb);
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espeak_SetParameter(espeakPITCH, pitch, 0);
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espeak_SetParameter(espeakRATE, rate, 0);
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if (current_voice)
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espeak_SetVoiceByProperties(current_voice);
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else
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espeak_SetVoiceByName("default");
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espeak_Synth(aText, 0, 0, POS_CHARACTER, 0, 0, NULL, NULL);
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// Reset callback so other instances will work too.
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espeak_SetSynthCallback(NULL);
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}
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long set_voice(
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const char* aName,
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const char* aLang=NULL,
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unsigned char aGender=0,
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unsigned char aAge=0,
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unsigned char aVariant = 0
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) {
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long result = 0;
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if (aLang || aGender || aAge || aVariant) {
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espeak_VOICE props = { 0 };
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props.name = aName;
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props.languages = aLang;
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props.gender = aGender;
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props.age = aAge;
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props.variant = aVariant;
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result = espeak_SetVoiceByProperties(&props);
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} else {
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result = espeak_SetVoiceByName(aName);
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}
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// This way we don't need to allocate the name/lang strings to the heap.
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// Instead, we store the actual global voice.
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current_voice = espeak_GetCurrentVoice();
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return result;
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}
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int getSizeOfEventStruct_() {
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return sizeof(espeak_EVENT);
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}
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const espeak_VOICE** voices;
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int samplerate;
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int rate;
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int pitch;
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private:
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espeak_VOICE* current_voice;
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};
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#include <glue.cpp>
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