mirror of
https://github.com/linux-speakup/espeakup.git
synced 2026-08-09 17:29:10 +02:00
139 lines
2.9 KiB
C
139 lines
2.9 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 <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "espeakup.h"
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struct queue_entry_t {
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enum command_t cmd;
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enum adjust_t adjust;
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int value;
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char *buf;
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int len;
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struct queue_entry_t *next;
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};
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static struct queue_entry_t *first = NULL;
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static struct queue_entry_t *last = NULL;
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static void queue_add(struct queue_entry_t *entry)
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{
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assert(entry);
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entry->next = NULL;
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if (!last)
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last = entry;
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if (!first) {
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first = entry;
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} else {
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first->next = entry;
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first = first->next;
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}
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}
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static void queue_remove(void)
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{
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struct queue_entry_t *temp;
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assert(last);
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temp = last;
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last = temp->next;
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if (temp->cmd == CMD_SPEAK_TEXT)
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free(temp->buf);
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free(temp);
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if (!last)
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first = last;
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}
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void queue_clear(void)
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{
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while (last)
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queue_remove();
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}
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void queue_add_cmd(enum command_t cmd, enum adjust_t adj, int value)
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{
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struct queue_entry_t *entry;
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entry = malloc(sizeof(struct queue_entry_t));
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if (!entry) {
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perror("unable to allocate memory for queue entry");
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return;
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}
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entry->cmd = cmd;
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entry->adjust = adj;
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entry->value = value;
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queue_add(entry);
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}
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void queue_add_text(char *txt, size_t length)
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{
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struct queue_entry_t *entry;
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entry = malloc(sizeof(struct queue_entry_t));
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if (!entry) {
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perror("unable to allocate memory for queue entry");
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return;
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}
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entry->cmd = CMD_SPEAK_TEXT;
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entry->adjust = ADJ_SET;
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entry->buf = strdup(txt);
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if (!entry->buf) {
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perror("unable to allocate space for text");
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free(entry);
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return;
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}
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entry->len = length;
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queue_add(entry);
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}
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void queue_process_entry(struct synth_t *s)
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{
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espeak_ERROR error;
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if (!last)
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return;
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switch (last->cmd) {
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case CMD_SET_FREQUENCY:
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error = set_frequency(s, last->value, last->adjust);
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break;
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case CMD_SET_PITCH:
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error = set_pitch(s, last->value, last->adjust);
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break;
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case CMD_SET_RATE:
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error = set_rate(s, last->value, last->adjust);
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break;
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case CMD_SET_VOICE:
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break;
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case CMD_SET_VOLUME:
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error = set_volume(s, last->value, last->adjust);
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break;
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case CMD_SPEAK_TEXT:
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s->buf = last->buf;
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s->len = last->len;
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error = speak_text(s);
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break;
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}
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if (error == EE_OK)
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queue_remove();
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}
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