espeakup/synth.c
William Hubbs 029dd03251 modularize the code
This commit just re-arranges the source so that it is easier to work with.
2008-08-15 00:11:48 -05:00

70 lines
1.9 KiB
C

/*
* espeakup - interface which allows speakup to use espeak
*
* Copyright (C) 2008 William Hubbs
*
* 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 "espeakup.h"
/* multipliers and offsets */
const int frequencyMultiplier = 11;
const int pitchMultiplier = 11;
const int rateMultiplier = 32;
const int rateOffset = 80;
const int volumeMultiplier = 11;
int SynthCallback(short *wav, int numsamples, espeak_EVENT *events)
{
return 0;
}
espeak_ERROR set_frequency (struct synth_t *s)
{
return (espeak_SetParameter(espeakRANGE, s->frequency * frequencyMultiplier, 0));
}
espeak_ERROR set_pitch (struct synth_t *s)
{
return (espeak_SetParameter(espeakPITCH, s->pitch * pitchMultiplier, 0));
}
espeak_ERROR set_rate (struct synth_t *s)
{
return (espeak_SetParameter(espeakRATE, s->rate * rateMultiplier + rateOffset, 0));
}
espeak_ERROR set_voice(struct synth_t *s)
{
return (espeak_SetVoiceByName(s->voice));
}
espeak_ERROR set_volume (struct synth_t *s)
{
return (espeak_SetParameter(espeakVOLUME, (s->volume+1) * volumeMultiplier, 0));
}
espeak_ERROR stop_speech(void)
{
return (espeak_Cancel());
}
espeak_ERROR speak_text(struct synth_t *s)
{
espeak_ERROR rc;
rc = espeak_Synth(s->buf, s->len + 1, 0, POS_CHARACTER, 0, 0, NULL, NULL);
return rc;
}