mirror of
https://github.com/linux-speakup/espeakup.git
synced 2026-08-09 09:19:09 +02:00
655894ee2a
I have added queueing support so that when we read from the softsynth we can put the text and commands we have read into a queue. This will allow us to retry calling espeak_synth() if we fill espeak's internal buffer.
102 lines
2.4 KiB
C
102 lines
2.4 KiB
C
/*
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* espeakup - interface which allows speakup to use espeak
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*
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* Copyright (C) 2008 William Hubbs
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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 "espeakup.h"
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/* multipliers and offsets */
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const int frequencyMultiplier = 11;
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const int pitchMultiplier = 11;
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const int rateMultiplier = 32;
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const int rateOffset = 80;
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const int volumeMultiplier = 11;
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int SynthCallback(short *wav, int numsamples, espeak_EVENT *events)
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{
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return 0;
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}
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espeak_ERROR set_frequency (struct synth_t *s, int freq, enum adjust_t adj)
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{
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espeak_ERROR rc;
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if (adj == ADJ_DEC)
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freq = -freq;
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if (adj != ADJ_SET)
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freq += s->frequency;
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rc = espeak_SetParameter(espeakRANGE, freq * frequencyMultiplier, 0);
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if (rc == EE_OK)
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s->frequency = freq;
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return rc;
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}
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espeak_ERROR set_pitch (struct synth_t *s, int pitch, enum adjust_t adj)
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{
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espeak_ERROR rc;
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if (adj == ADJ_DEC)
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pitch = -pitch;
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if (adj != ADJ_SET)
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pitch += s->pitch;
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rc = espeak_SetParameter(espeakPITCH, pitch * pitchMultiplier, 0);
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if (rc == EE_OK)
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s->pitch = pitch;
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return rc;
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}
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espeak_ERROR set_rate (struct synth_t *s, int rate, enum adjust_t adj)
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{
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espeak_ERROR rc;
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if (adj == ADJ_DEC)
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rate = -rate;
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if (adj != ADJ_SET)
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rate += s->rate;
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rc = espeak_SetParameter(espeakRATE, rate * rateMultiplier + rateOffset, 0);
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if (rc == EE_OK)
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s->rate = rate;
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return rc;
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}
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espeak_ERROR set_voice(struct synth_t *s)
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{
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return (espeak_SetVoiceByName(s->voice));
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}
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espeak_ERROR set_volume (struct synth_t *s, int vol, enum adjust_t adj)
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{
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espeak_ERROR rc;
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rc = espeak_SetParameter(espeakVOLUME, (vol+1) * volumeMultiplier, 0);
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if (rc == EE_OK)
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s->volume = vol;
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}
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espeak_ERROR stop_speech(void)
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{
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return (espeak_Cancel());
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}
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espeak_ERROR speak_text(struct synth_t *s)
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{
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espeak_ERROR rc;
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rc = espeak_Synth(s->buf, s->len + 1, 0, POS_CHARACTER, 0, 0, NULL, NULL);
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return rc;
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}
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