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espeak-ng/src/voices.cpp
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Reece H. Dunn 0e46be1177 Merge commit 'e4854a9cd6' into android 
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	src/voices.cpp
2013-03-13 20:55:49 +00:00

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/***************************************************************************
* Copyright (C) 2005 to 2010 by Jonathan Duddington *
* email: jonsd@users.sourceforge.net *
* *
* 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, write see: *
* <http://www.gnu.org/licenses/>. *
***************************************************************************/
#include "StdAfx.h"
#include "stdio.h"
#include "ctype.h"
#include "wctype.h"
#include "string.h"
#include "stdlib.h"
#include "speech.h"
#include "errno.h"
#ifdef PLATFORM_WINDOWS
#include "windows.h"
#else
#ifdef PLATFORM_RISCOS
#include "kernel.h"
#else
#include "dirent.h"
#endif
#endif
#include "speak_lib.h"
#include "phoneme.h"
#include "synthesize.h"
#include "voice.h"
#include "translate.h"
#include "debug.h"
MNEM_TAB genders [] = {
{"unknown", 0},
{"male", 1},
{"female", 2},
{NULL, 0 }};
int tone_points[12] = {600,170, 1200,135, 2000,110, 3000,110, -1,0};
//int tone_points[12] = {250,200, 400,170, 600,170, 1200,135, 2000,110, -1,0};
// limit the rate of change for each formant number
//static int formant_rate_22050[9] = {50, 104, 165, 230, 220, 220, 220, 220, 220}; // values for 22kHz sample rate
//static int formant_rate_22050[9] = {240, 180, 180, 180, 180, 180, 180, 180, 180}; // values for 22kHz sample rate
static int formant_rate_22050[9] = {240, 170, 170, 170, 170, 170, 170, 170, 170}; // values for 22kHz sample rate
int formant_rate[9]; // values adjusted for actual sample rate
#define DEFAULT_LANGUAGE_PRIORITY 5
#define N_VOICES_LIST 200
static int n_voices_list = 0;
static espeak_VOICE *voices_list[N_VOICES_LIST];
static int len_path_voices;
espeak_VOICE current_voice_selected;
enum {
V_NAME = 1,
V_LANGUAGE,
V_GENDER,
V_TRANSLATOR,
V_PHONEMES,
V_DICTIONARY,
// these affect voice quality, are independent of language
V_FORMANT,
V_PITCH,
V_ECHO,
V_FLUTTER,
V_ROUGHNESS,
V_CLARITY,
V_TONE,
V_VOICING,
V_BREATH,
V_BREATHW,
// these override defaults set by the translator
V_WORDGAP,
V_INTONATION,
V_TUNES,
V_STRESSLENGTH,
V_STRESSAMP,
V_STRESSADD,
V_DICTRULES,
V_STRESSRULE,
V_CHARSET,
V_NUMBERS,
V_OPTION,
V_MBROLA,
V_KLATT,
V_FAST,
V_SPEED,
// these need a phoneme table to have been specified
V_REPLACE,
V_CONSONANTS
};
static MNEM_TAB options_tab[] = {
{"reduce_t", LOPT_REDUCE_T},
{"bracket", LOPT_BRACKET_PAUSE},
{NULL, -1} };
static MNEM_TAB keyword_tab[] = {
{"name", V_NAME},
{"language", V_LANGUAGE},
{"gender", V_GENDER},
{"formant", V_FORMANT},
{"pitch", V_PITCH},
{"phonemes", V_PHONEMES},
{"translator", V_TRANSLATOR},
{"dictionary", V_DICTIONARY},
{"stressLength", V_STRESSLENGTH},
{"stressAmp", V_STRESSAMP},
{"stressAdd", V_STRESSADD},
{"intonation", V_INTONATION},
{"tunes", V_TUNES},
{"dictrules", V_DICTRULES},
{"stressrule", V_STRESSRULE},
{"charset", V_CHARSET},
{"replace", V_REPLACE},
{"words", V_WORDGAP},
{"echo", V_ECHO},
{"flutter", V_FLUTTER},
{"roughness", V_ROUGHNESS},
{"clarity", V_CLARITY},
{"tone", V_TONE},
{"voicing", V_VOICING},
{"breath", V_BREATH},
{"breathw", V_BREATHW},
{"numbers", V_NUMBERS},
{"option", V_OPTION},
{"mbrola", V_MBROLA},
{"consonants", V_CONSONANTS},
{"klatt", V_KLATT},
{"fast_test2", V_FAST},
{"speed", V_SPEED},
// these just set a value in langopts.param[]
{"l_dieresis", 0x100+LOPT_DIERESES},
// {"l_lengthen", 0x100+LOPT_IT_LENGTHEN},
{"l_prefix", 0x100+LOPT_PREFIXES},
{"l_regressive_v", 0x100+LOPT_REGRESSIVE_VOICING},
{"l_unpronouncable", 0x100+LOPT_UNPRONOUNCABLE},
{"l_sonorant_min", 0x100+LOPT_SONORANT_MIN},
{"l_length_mods", 0x100+LOPT_LENGTH_MODS},
{"apostrophe", 0x100+LOPT_APOSTROPHE},
{NULL, 0} };
#define N_VOICE_VARIANTS 12
const char variants_either[N_VOICE_VARIANTS] = {1,2,12,3,13,4,14,5,11,0};
const char variants_male[N_VOICE_VARIANTS] = {1,2,3,4,5,0};
const char variants_female[N_VOICE_VARIANTS] = {11,12,13,14,0};
const char *variant_lists[3] = {variants_either, variants_male, variants_female};
static voice_t voicedata;
voice_t *voice = &voicedata;
static char *fgets_strip(char *buf, int size, FILE *f_in)
{//======================================================
// strip trailing spaces, and truncate lines at // comment
int len;
char *p;
if(fgets(buf,size,f_in) == NULL)
return(NULL);
len = strlen(buf);
while((--len > 0) && isspace(buf[len]))
buf[len] = 0;
if((p = strstr(buf,"//")) != NULL)
*p = 0;
return(buf);
}
static int LookupTune(const char *name)
{//====================================
int ix;
for(ix=0; ix<n_tunes; ix++)
{
if(strcmp(name, tunes[ix].name) == 0)
return(ix);
}
return(-1);
} // end of LookupTune
static void SetToneAdjust(voice_t *voice, int *tone_pts)
{//=====================================================
int ix;
int pt;
int y;
int freq1=0;
int freq2;
int height1 = tone_pts[1];
int height2;
double rate;
for(pt=0; pt<12; pt+=2)
{
if(tone_pts[pt] == -1)
{
tone_pts[pt] = N_TONE_ADJUST*8;
if(pt > 0)
tone_pts[pt+1] = tone_pts[pt-1];
}
freq2 = tone_pts[pt] / 8; // 8Hz steps
height2 = tone_pts[pt+1];
if((freq2 - freq1) > 0)
{
rate = double(height2-height1)/(freq2-freq1);
for(ix=freq1; ix<freq2; ix++)
{
y = height1 + int(rate * (ix-freq1));
if(y > 255)
y = 255;
voice->tone_adjust[ix] = y;
}
}
freq1 = freq2;
height1 = height2;
}
}
void ReadTonePoints(char *string, int *tone_pts)
{//=============================================
// tone_pts[] is int[12]
int ix;
for(ix=0; ix<12; ix++)
tone_pts[ix] = -1;
sscanf(string,"%d %d %d %d %d %d %d %d %d %d",
&tone_pts[0],&tone_pts[1],&tone_pts[2],&tone_pts[3],
&tone_pts[4],&tone_pts[5],&tone_pts[6],&tone_pts[7],
&tone_pts[8],&tone_pts[9]);
}
static espeak_VOICE *ReadVoiceFile(FILE *f_in, const char *fname, const char*leafname)
{//===================================================================================
// Read a Voice file, allocate a VOICE_DATA and set data from the
// file's language, gender, name lines
char linebuf[120];
char vname[80];
char vgender[80];
char vlanguage[80];
char languages[300]; // allow space for several alternate language names and priorities
unsigned int len;
int langix = 0;
int n_languages = 0;
char *p;
espeak_VOICE *voice_data;
int priority;
int age;
int n_variants = 3; // default, number of variants of this voice before using another voice
int gender;
#ifdef PLATFORM_WINDOWS
char fname_buf[sizeof(path_home)+15];
if(memcmp(leafname,"mb-",3) == 0)
{
// check whether the mbrola speech data is present for this voice
memcpy(vname,&leafname[3],3);
vname[3] = 0;
sprintf(fname_buf,"%s/mbrola/%s",path_home,vname);
if(GetFileLength(fname_buf) <= 0)
return(0);
}
#endif
vname[0] = 0;
vgender[0] = 0;
age = 0;
while(fgets_strip(linebuf,sizeof(linebuf),f_in) != NULL)
{
if(memcmp(linebuf,"name",4)==0)
{
p = &linebuf[4];
while(isspace(*p)) p++;
strncpy0(vname,p,sizeof(vname));
}
else
if(memcmp(linebuf,"language",8)==0)
{
priority = DEFAULT_LANGUAGE_PRIORITY;
vlanguage[0] = 0;
sscanf(&linebuf[8],"%s %d",vlanguage,&priority);
len = strlen(vlanguage) + 2;
// check for space in languages[]
if(len < (sizeof(languages)-langix-1))
{
languages[langix] = priority;
strcpy(&languages[langix+1],vlanguage);
langix += len;
n_languages++;
}
}
else
if(memcmp(linebuf,"gender",6)==0)
{
sscanf(&linebuf[6],"%s %d",vgender,&age);
}
else
if(memcmp(linebuf,"variants",8)==0)
{
sscanf(&linebuf[8],"%d",&n_variants);
}
}
languages[langix++] = 0;
gender = LookupMnem(genders,vgender);
if(n_languages == 0)
{
return(NULL); // no language lines in the voice file
}
p = (char *)calloc(sizeof(espeak_VOICE) + langix + strlen(fname) + strlen(vname) + 3, 1);
voice_data = (espeak_VOICE *)p;
p = &p[sizeof(espeak_VOICE)];
memcpy(p,languages,langix);
voice_data->languages = p;
strcpy(&p[langix],fname);
voice_data->identifier = &p[langix];
voice_data->name = &p[langix];
if(vname[0] != 0)
{
langix += strlen(fname)+1;
strcpy(&p[langix],vname);
voice_data->name = &p[langix];
}
voice_data->age = age;
voice_data->gender = gender;
voice_data->variant = 0;
voice_data->xx1 = n_variants;
return(voice_data);
} // end of ReadVoiceFile
void VoiceReset(int tone_only)
{//===========================
// Set voice to the default values
int pk;
static unsigned char default_heights[N_PEAKS] = {128,128,120,120,110,110,128,128,128};
static unsigned char default_widths[N_PEAKS] = {128,128,128,160,171,171,128,128,128};
static int breath_widths[N_PEAKS] = {0,200,200,400,400,400,600,600,600};
// default is: pitch 80,118
voice->pitch_base = 0x47000;
voice->pitch_range = 4104;
// default is: pitch 80,117
// voice->pitch_base = 0x47000;
// voice->pitch_range = 3996;
voice->formant_factor = 256;
voice->speed_percent = 100;
voice->echo_delay = 0;
voice->echo_amp = 0;
voice->flutter = 64;
voice->n_harmonic_peaks = 5;
voice->peak_shape = 0;
voice->voicing = 64;
voice->consonant_amp = 100;
voice->consonant_ampv = 100;
voice->samplerate = samplerate_native;
memset(voice->klattv,0,sizeof(voice->klattv));
speed.fast_settings[0] = 450;
speed.fast_settings[1] = 800;
speed.fast_settings[2] = 175;
#ifdef PLATFORM_RISCOS
voice->roughness = 1;
#else
voice->roughness = 2;
#endif
InitBreath();
for(pk=0; pk<N_PEAKS; pk++)
{
voice->freq[pk] = 256;
voice->height[pk] = default_heights[pk]*2;
voice->width[pk] = default_widths[pk]*2;
voice->breath[pk] = 0;
voice->breathw[pk] = breath_widths[pk]; // default breath formant woidths
voice->freqadd[pk] = 0;
// adjust formant smoothing depending on sample rate
formant_rate[pk] = (formant_rate_22050[pk] * 22050)/samplerate;
}
voice->height[2] = 240; // reduce F2 slightly
// This table provides the opportunity for tone control.
// Adjustment of harmonic amplitudes, steps of 8Hz
// value of 128 means no change
// memset(voice->tone_adjust,128,sizeof(voice->tone_adjust));
SetToneAdjust(voice,tone_points);
// default values of speed factors
voice->speedf1 = 256;
voice->speedf2 = 238;
voice->speedf3 = 232;
if(tone_only == 0)
{
n_replace_phonemes = 0;
option_quiet = 0;
LoadMbrolaTable(NULL,NULL,0);
}
} // end of VoiceReset
static void VoiceFormant(char *p)
{//==============================
// Set parameters for a formant
int ix;
int formant;
int freq = 100;
int height = 100;
int width = 100;
int freqadd = 0;
ix = sscanf(p,"%d %d %d %d %d",&formant,&freq,&height,&width,&freqadd);
if(ix < 2)
return;
if((formant < 0) || (formant > 8))
return;
if(freq >= 0)
voice->freq[formant] = int(freq * 2.56001);
if(height >= 0)
voice->height[formant] = int(height * 2.56001);
if(width >= 0)
voice->width[formant] = int(width * 2.56001);
voice->freqadd[formant] = freqadd;
}
static void PhonemeReplacement(int type, char *p)
{//==============================================
int n;
int phon;
int flags = 0;
char phon_string1[12];
char phon_string2[12];
strcpy(phon_string2,"NULL");
n = sscanf(p,"%d %s %s",&flags,phon_string1,phon_string2);
if((n < 2) || (n_replace_phonemes >= N_REPLACE_PHONEMES))
return;
if((phon = LookupPhonemeString(phon_string1)) == 0)
return; // not recognised
replace_phonemes[n_replace_phonemes].old_ph = phon;
replace_phonemes[n_replace_phonemes].new_ph = LookupPhonemeString(phon_string2);
replace_phonemes[n_replace_phonemes++].type = flags;
} // end of PhonemeReplacement
static int Read8Numbers(char *data_in,int *data)
{//=============================================
// Read 8 integer numbers
memset(data, 0, 8+sizeof(int));
return(sscanf(data_in,"%d %d %d %d %d %d %d %d",
&data[0],&data[1],&data[2],&data[3],&data[4],&data[5],&data[6],&data[7]));
}
voice_t *LoadVoice(const char *vname, int control)
{//===============================================
// control, bit 0 1= no_default
// bit 1 1 = change tone only, not language
// bit 2 1 = don't report error on LoadDictionary
// bit 4 1 = vname = full path
FILE *f_voice = NULL;
char *p;
int key;
int ix;
int n;
int value;
int value2;
int langix = 0;
int tone_only = control & 2;
int language_set = 0;
int phonemes_set = 0;
int stress_amps_set = 0;
int stress_lengths_set = 0;
int stress_add_set = 0;
int conditional_rules = 0;
LANGUAGE_OPTIONS *langopts = NULL;
Translator *new_translator = NULL;
char voicename[40];
char language_name[40];
char translator_name[40];
char new_dictionary[40];
char phonemes_name[40];
char option_name[40];
const char *language_type;
char buf[200];
char path_voices[sizeof(path_home)+12];
char langname[4];
int stress_amps[8];
int stress_lengths[8];
int stress_add[8];
char names[8][40];
int pitch1;
int pitch2;
static char voice_identifier[40]; // file name for current_voice_selected
static char voice_name[40]; // voice name for current_voice_selected
static char voice_languages[100]; // list of languages and priorities for current_voice_selected
strcpy(voicename,vname);
if(voicename[0]==0)
strcpy(voicename,"default");
if(control & 0x10)
{
strcpy(buf,vname);
if(GetFileLength(buf) <= 0)
return(NULL);
}
else
{
sprintf(path_voices,"%s%cvoices%c",path_home,PATHSEP,PATHSEP);
sprintf(buf,"%s%s",path_voices,voicename);
if(GetFileLength(buf) <= 0)
{
// look for the voice in a sub-directory of the language name
langname[0] = voicename[0];
langname[1] = voicename[1];
langname[2] = 0;
sprintf(buf,"%s%s%c%s",path_voices,langname,PATHSEP,voicename);
if(GetFileLength(buf) <= 0)
{
// look in "extra" sub-directory
sprintf(buf,"%sextra%c%s",path_voices,PATHSEP,voicename);
if(GetFileLength(buf) <= 0)
{
// look in "test" sub-directory
sprintf(buf,"%stest%c%s",path_voices,PATHSEP,voicename);
}
}
}
}
f_voice = fopen(buf,"r");
language_type = "en"; // default
if(f_voice == NULL)
{
if(control & 3)
return(NULL); // can't open file
if(SelectPhonemeTableName(voicename) >= 0)
language_type = voicename;
}
if(!tone_only && (translator != NULL))
{
DeleteTranslator(translator);
translator = NULL;
}
strcpy(translator_name,language_type);
strcpy(new_dictionary,language_type);
strcpy(phonemes_name,language_type);
if(!tone_only)
{
voice = &voicedata;
strncpy0(voice_identifier,vname,sizeof(voice_identifier));
voice_name[0] = 0;
voice_languages[0] = 0;
current_voice_selected.identifier = voice_identifier;
current_voice_selected.name = voice_name;
current_voice_selected.languages = voice_languages;
}
else
{
// append the variant file name to the voice identifier
if((p = strchr(voice_identifier,'+')) != NULL)
*p = 0; // remove previous variant name
sprintf(buf,"+%s",&vname[3]); // omit !v/ from the variant filename
strcat(voice_identifier,buf);
langopts = &translator->langopts;
}
VoiceReset(tone_only);
if(!tone_only)
SelectPhonemeTableName(phonemes_name); // set up phoneme_tab
while((f_voice != NULL) && (fgets_strip(buf,sizeof(buf),f_voice) != NULL))
{
// isolate the attribute name
for(p=buf; (*p != 0) && !isspace(*p); p++);
*p++ = 0;
if(buf[0] == 0) continue;
key = LookupMnem(keyword_tab, buf);
switch(key)
{
case V_LANGUAGE:
{
unsigned int len;
int priority;
if(tone_only)
break;
priority = DEFAULT_LANGUAGE_PRIORITY;
language_name[0] = 0;
sscanf(p,"%s %d",language_name,&priority);
if(strcmp(language_name,"variant") == 0)
break;
len = strlen(language_name) + 2;
// check for space in languages[]
if(len < (sizeof(voice_languages)-langix-1))
{
voice_languages[langix] = priority;
strcpy(&voice_languages[langix+1],language_name);
langix += len;
}
// only act on the first language line
if(language_set == 0)
{
language_type = strtok(language_name,"-");
language_set = 1;
strcpy(translator_name,language_type);
strcpy(new_dictionary,language_type);
strcpy(phonemes_name,language_type);
SelectPhonemeTableName(phonemes_name);
if(new_translator != NULL)
DeleteTranslator(new_translator);
new_translator = SelectTranslator(translator_name);
langopts = &new_translator->langopts;
}
}
break;
case V_NAME:
if(tone_only == 0)
{
while(isspace(*p)) p++;
strncpy0(voice_name,p,sizeof(voice_name));
}
break;
case V_GENDER:
{
int age = 0;
char vgender[80];
sscanf(p,"%s %d",vgender,&age);
current_voice_selected.gender = LookupMnem(genders,vgender);
current_voice_selected.age = age;
}
break;
case V_TRANSLATOR:
if(tone_only) break;
sscanf(p,"%s",translator_name);
if(new_translator != NULL)
DeleteTranslator(new_translator);
new_translator = SelectTranslator(translator_name);
langopts = &new_translator->langopts;
break;
case V_DICTIONARY: // dictionary
sscanf(p,"%s",new_dictionary);
break;
case V_PHONEMES: // phoneme table
sscanf(p,"%s",phonemes_name);
break;
case V_FORMANT:
VoiceFormant(p);
break;
case V_PITCH:
{
double factor;
// default is pitch 82 118
n = sscanf(p,"%d %d",&pitch1,&pitch2);
voice->pitch_base = (pitch1 - 9) << 12;
voice->pitch_range = (pitch2 - pitch1) * 108;
factor = double(pitch1 - 82)/82;
voice->formant_factor = (int)((1+factor/4) * 256); // nominal formant shift for a different voice pitch
}
break;
case V_STRESSLENGTH: // stressLength
stress_lengths_set = Read8Numbers(p,stress_lengths);
break;
case V_STRESSAMP: // stressAmp
stress_amps_set = Read8Numbers(p,stress_amps);
break;
case V_STRESSADD: // stressAdd
stress_add_set = Read8Numbers(p,stress_add);
break;
case V_INTONATION: // intonation
sscanf(p,"%d %d",&option_tone_flags,&option_tone2);
if((option_tone_flags & 0xff) != 0)
langopts->intonation_group = option_tone_flags & 0xff;
break;
case V_TUNES:
n = sscanf(p,"%s %s %s %s %s %s",names[0],names[1],names[2],names[3],names[4],names[5]);
langopts->intonation_group = 0;
for(ix=0; ix<n; ix++)
{
if(strcmp(names[ix],"NULL")==0)
continue;
if((value = LookupTune(names[ix])) < 0)
fprintf(stderr,"Unknown tune '%s'\n",names[ix]);
else
langopts->tunes[ix] = value;
}
break;
case V_DICTRULES: // conditional dictionary rules and list entries
while(*p != 0)
{
while(isspace(*p)) p++;
n = -1;
if(((n = atoi(p)) > 0) && (n < 32))
{
p++;
conditional_rules |= (1 << n);
}
while(isalnum(*p)) p++;
}
break;
case V_REPLACE:
if(phonemes_set == 0)
{
// must set up a phoneme table before we can lookup phoneme mnemonics
SelectPhonemeTableName(phonemes_name);
phonemes_set = 1;
}
PhonemeReplacement(key,p);
break;
case V_WORDGAP: // words
sscanf(p,"%d %d",&langopts->word_gap, &langopts->vowel_pause);
break;
case V_STRESSRULE:
sscanf(p,"%d %d %d %d",&langopts->stress_rule,
&langopts->stress_flags,
&langopts->unstressed_wd1,
&langopts->unstressed_wd2);
break;
case V_CHARSET:
if((sscanf(p,"%d",&value)==1) && (value < N_CHARSETS))
new_translator->charset_a0 = charsets[value];
break;
case V_NUMBERS:
sscanf(p,"%d %d",&langopts->numbers,&langopts->numbers2);
break;
case V_OPTION:
value2 = 0;
if((sscanf(p,"%s %d %d",option_name,&value,&value2) >= 2) && ((ix = LookupMnem(options_tab, option_name)) >= 0))
{
langopts->param[ix] = value;
langopts->param2[ix] = value2;
}
else
{
fprintf(stderr,"Bad voice option: %s %s\n",buf,p);
}
break;
case V_ECHO:
// echo. suggest: 135mS 11%
value = 0;
voice->echo_amp = 0;
sscanf(p,"%d %d",&voice->echo_delay,&voice->echo_amp);
break;
case V_FLUTTER: // flutter
if(sscanf(p,"%d",&value)==1)
voice->flutter = value * 32;
break;
case V_ROUGHNESS: // roughness
if(sscanf(p,"%d",&value)==1)
voice->roughness = value;
break;
case V_CLARITY: // formantshape
if(sscanf(p,"%d",&value)==1)
{
if(value > 4)
{
voice->peak_shape = 1; // squarer formant peaks
value = 4;
}
voice->n_harmonic_peaks = 1+value;
}
break;
case V_TONE:
{
int tone_data[12];
ReadTonePoints(p,tone_data);
SetToneAdjust(voice,tone_data);
}
break;
case V_VOICING:
if(sscanf(p,"%d",&value)==1)
voice->voicing = (value * 64)/100;
break;
case V_BREATH:
voice->breath[0] = Read8Numbers(p,&voice->breath[1]);
for(ix=1; ix<8; ix++)
{
if(ix % 2)
voice->breath[ix] = -voice->breath[ix];
}
break;
case V_BREATHW:
voice->breathw[0] = Read8Numbers(p,&voice->breathw[1]);
break;
case V_CONSONANTS:
value = sscanf(p,"%d %d",&voice->consonant_amp, &voice->consonant_ampv);
break;
case V_SPEED:
sscanf(p,"%d",&voice->speed_percent);
break;
case V_MBROLA:
{
int srate = 16000;
char name[40];
char phtrans[40];
phtrans[0] = 0;
sscanf(p,"%s %s %d",name,phtrans,&srate);
if(LoadMbrolaTable(name,phtrans,srate) != EE_OK)
{
fprintf(stderr,"mbrola voice not found\n");
}
voice->samplerate = srate;
}
break;
case V_KLATT:
voice->klattv[0] = 1; // default source: IMPULSIVE
Read8Numbers(p,voice->klattv);
voice->klattv[KLATT_Kopen] -= 40;
break;
case V_FAST:
Read8Numbers(p,speed.fast_settings);
SetSpeed(3);
break;
default:
if((key & 0xff00) == 0x100)
{
sscanf(p,"%d",&langopts->param[key &0xff]);
}
else
{
fprintf(stderr,"Bad voice attribute: %s\n",buf);
}
break;
}
}
if(f_voice != NULL)
fclose(f_voice);
if((new_translator == NULL) && (!tone_only))
{
// not set by language attribute
new_translator = SelectTranslator(translator_name);
}
SetSpeed(3); // for speed_percent
for(ix=0; ix<N_PEAKS; ix++)
{
voice->freq2[ix] = voice->freq[ix];
voice->height2[ix] = voice->height[ix];
voice->width2[ix] = voice->width[ix];
}
if(tone_only)
{
new_translator = translator;
}
else
{
if((ix = SelectPhonemeTableName(phonemes_name)) < 0)
{
fprintf(stderr,"Unknown phoneme table: '%s'\n",phonemes_name);
}
voice->phoneme_tab_ix = ix;
new_translator->phoneme_tab_ix = ix;
LoadDictionary(new_translator, new_dictionary, control & 4);
if(dictionary_name[0]==0)
return(NULL); // no dictionary loaded
new_translator->dict_condition = conditional_rules;
voice_languages[langix] = 0;
}
langopts = &new_translator->langopts;
if((value = langopts->param[LOPT_LENGTH_MODS]) != 0)
{
SetLengthMods(new_translator,value);
}
voice->width[0] = (voice->width[0] * 105)/100;
if(!tone_only)
{
translator = new_translator;
}
// relative lengths of different stress syllables
for(ix=0; ix<stress_lengths_set; ix++)
{
translator->stress_lengths[ix] = stress_lengths[ix];
}
for(ix=0; ix<stress_add_set; ix++)
{
translator->stress_lengths[ix] += stress_add[ix];
}
for(ix=0; ix<stress_amps_set; ix++)
{
translator->stress_amps[ix] = stress_amps[ix];
translator->stress_amps_r[ix] = stress_amps[ix] -1;
}
return(voice);
} // end of LoadVoice
static char *ExtractVoiceVariantName(char *vname, int variant_num, int add_dir)
{//===========================================================================
// Remove any voice variant suffix (name or number) from a voice name
// Returns the voice variant name
char *p;
static char variant_name[40];
char variant_prefix[5];
variant_name[0] = 0;
sprintf(variant_prefix,"!v%c",PATHSEP);
if(add_dir == 0)
variant_prefix[0] = 0;
if(vname != NULL)
{
if((p = strchr(vname,'+')) != NULL)
{
// The voice name has a +variant suffix
variant_num = 0;
*p++ = 0; // delete the suffix from the voice name
if(isdigit(*p))
{
variant_num = atoi(p); // variant number
}
else
{
// voice variant name, not number
sprintf(variant_name, "%s%s", variant_prefix, p);
}
}
}
if(variant_num > 0)
{
if(variant_num < 10)
sprintf(variant_name,"%sm%d",variant_prefix, variant_num); // male
else
sprintf(variant_name,"%sf%d",variant_prefix, variant_num-10); // female
}
return(variant_name);
} // end of ExtractVoiceVariantName
voice_t *LoadVoiceVariant(const char *vname, int variant_num)
{//==========================================================
// Load a voice file.
// Also apply a voice variant if specified by "variant", or by "+number" or "+name" in the "vname"
voice_t *v;
char *variant_name;
char buf[60];
strncpy0(buf,vname,sizeof(buf));
variant_name = ExtractVoiceVariantName(buf,variant_num, 1);
if((v = LoadVoice(buf,0)) == NULL)
return(NULL);
if(variant_name[0] != 0)
{
v = LoadVoice(variant_name,2);
}
return(v);
}
static int __cdecl VoiceNameSorter(const void *p1, const void *p2)
{//=======================================================
int ix;
espeak_VOICE *v1 = *(espeak_VOICE **)p1;
espeak_VOICE *v2 = *(espeak_VOICE **)p2;
if((ix = strcmp(&v1->languages[1],&v2->languages[1])) != 0) // primary language name
return(ix);
if((ix = v1->languages[0] - v2->languages[0]) != 0) // priority number
return(ix);
return(strcmp(v1->name,v2->name));
}
static int __cdecl VoiceScoreSorter(const void *p1, const void *p2)
{//========================================================
int ix;
espeak_VOICE *v1 = *(espeak_VOICE **)p1;
espeak_VOICE *v2 = *(espeak_VOICE **)p2;
if((ix = v2->score - v1->score) != 0)
return(ix);
return(strcmp(v1->name,v2->name));
}
static int ScoreVoice(espeak_VOICE *voice_spec, const char *spec_language, int spec_n_parts, int spec_lang_len, espeak_VOICE *voice)
{//=========================================================================================================================
int ix;
const char *p;
int c1, c2;
int language_priority;
int n_parts;
int matching;
int matching_parts;
int score = 0;
int x;
int ratio;
int required_age;
int diff;
p = voice->languages; // list of languages+dialects for which this voice is suitable
if(strcmp(spec_language,"mbrola")==0)
{
// only list mbrola voices
if(memcmp(voice->identifier,"mb/",3) == 0)
return(100);
return(0);
}
if(spec_n_parts == 0)
{
score = 100;
}
else
{
if((*p == 0) && (strcmp(spec_language,"variants")==0))
{
// match on a voice with no languages if the required language is "variants"
score = 100;
}
// compare the required language with each of the languages of this voice
while(*p != 0)
{
language_priority = *p++;
matching = 1;
matching_parts = 0;
n_parts = 1;
for(ix=0; ; ix++)
{
if((ix >= spec_lang_len) || ((c1 = spec_language[ix]) == '-'))
c1 = 0;
if((c2 = p[ix]) == '-')
c2 = 0;
if(c1 != c2)
{
matching = 0;
}
if(p[ix] == '-')
{
n_parts++;
if(matching)
matching_parts++;
}
if(p[ix] == 0)
break;
}
p += (ix+1);
matching_parts += matching; // number of parts which match
if(matching_parts == 0)
continue; // no matching parts for this language
x = 5;
// reduce the score if not all parts of the required language match
if((diff = (spec_n_parts - matching_parts)) > 0)
x -= diff;
// reduce score if the language is more specific than required
if((diff = (n_parts - matching_parts)) > 0)
x -= diff;
x = x*100 - (language_priority * 2);
if(x > score)
score = x;
}
}
if(score == 0)
return(0);
if(voice_spec->name != NULL)
{
if(strcmp(voice_spec->name,voice->name)==0)
{
// match on voice name
score += 500;
}
else
if(strcmp(voice_spec->name,voice->identifier)==0)
{
score += 400;
}
}
if(((voice_spec->gender == 1) || (voice_spec->gender == 2)) &&
((voice->gender == 1) || (voice->gender == 2)))
{
if(voice_spec->gender == voice->gender)
score += 50;
else
score -= 50;
}
if((voice_spec->age <= 12) && (voice->gender == 2) && (voice->age > 12))
{
score += 5; // give some preference for non-child female voice if a child is requested
}
if(voice->age != 0)
{
if(voice_spec->age == 0)
required_age = 30;
else
required_age = voice_spec->age;
ratio = (required_age*100)/voice->age;
if(ratio < 100)
ratio = 10000/ratio;
ratio = (ratio - 100)/10; // 0=exact match, 10=out by factor of 2
x = 5 - ratio;
if(x > 0) x = 0;
score = score + x;
if(voice_spec->age > 0)
score += 10; // required age specified, favour voices with a specified age (near it)
}
if(score < 1)
score = 1;
return(score);
} // end of ScoreVoice
static int SetVoiceScores(espeak_VOICE *voice_select, espeak_VOICE **voices, int control)
{//======================================================================================
// control: bit0=1 include mbrola voices
int ix;
int score;
int nv; // number of candidates
int n_parts=0;
int lang_len=0;
espeak_VOICE *vp;
char language[80];
// count number of parts in the specified language
if((voice_select->languages != NULL) && (voice_select->languages[0] != 0))
{
n_parts = 1;
lang_len = strlen(voice_select->languages);
for(ix=0; (ix<=lang_len) && ((unsigned)ix < sizeof(language)); ix++)
{
if((language[ix] = tolower(voice_select->languages[ix])) == '-')
n_parts++;
}
}
// select those voices which match the specified language
nv = 0;
for(ix=0; ix<n_voices_list; ix++)
{
vp = voices_list[ix];
if(((control & 1) == 0) && (memcmp(vp->identifier,"mb/",3) == 0))
continue;
if((score = ScoreVoice(voice_select, language, n_parts, lang_len, voices_list[ix])) > 0)
{
voices[nv++] = vp;
vp->score = score;
}
}
voices[nv] = NULL; // list terminator
if(nv==0)
return(0);
// sort the selected voices by their score
qsort(voices,nv,sizeof(espeak_VOICE *),(int (__cdecl *)(const void *,const void *))VoiceScoreSorter);
return(nv);
} // end of SetVoiceScores
espeak_VOICE *SelectVoiceByName(espeak_VOICE **voices, const char *name2)
{//======================================================================
int ix;
int match_fname = -1;
int match_fname2 = -1;
int match_name = -1;
const char *id; // this is the filename within espeak-data/voices
char *variant_name;
int last_part_len;
char last_part[41];
char name[40];
if(voices == NULL)
{
if(n_voices_list == 0)
espeak_ListVoices(NULL); // create the voices list
voices = voices_list;
}
strncpy0(name, name2, sizeof(name));
if((variant_name = strchr(name, '+')) != NULL)
{
*variant_name = 0;
variant_name++;
}
sprintf(last_part,"%c%s",PATHSEP,name);
last_part_len = strlen(last_part);
for(ix=0; voices[ix] != NULL; ix++)
{
if(strcmp(name,voices[ix]->name)==0)
{
match_name = ix; // found matching voice name
break;
}
else
{
id = voices[ix]->identifier;
if(strcmp(name, id)==0)
{
match_fname = ix; // matching identifier, use this if no matching name
}
else
if(strcmp(last_part,&id[strlen(id)-last_part_len])==0)
{
match_fname2 = ix;
}
}
}
if(match_name < 0)
{
match_name = match_fname; // no matching name, try matching filename
if(match_name < 0)
match_name = match_fname2; // try matching just the last part of the filename
}
if(match_name < 0)
return(NULL);
return(voices[match_name]);
} // end of SelectVoiceByName
char const *SelectVoice(espeak_VOICE *voice_select, int *found)
{//============================================================
// Returns a path within espeak-voices, with a possible +variant suffix
// variant is an output-only parameter
int nv; // number of candidates
int ix, ix2;
int j;
int n_variants;
int variant_number;
int gender;
int skip;
int aged=1;
char *variant_name;
const char *p, *p_start;
espeak_VOICE *vp = NULL;
espeak_VOICE *vp2;
espeak_VOICE voice_select2;
espeak_VOICE *voices[N_VOICES_LIST]; // list of candidates
espeak_VOICE *voices2[N_VOICES_LIST+N_VOICE_VARIANTS];
static espeak_VOICE voice_variants[N_VOICE_VARIANTS];
static char voice_id[50];
*found = 1;
memcpy(&voice_select2,voice_select,sizeof(voice_select2));
if(n_voices_list == 0)
espeak_ListVoices(NULL); // create the voices list
if((voice_select2.languages == NULL) || (voice_select2.languages[0] == 0))
{
// no language is specified. Get language from the named voice
static char buf[60];
if(voice_select2.name == NULL)
{
if((voice_select2.name = voice_select2.identifier) == NULL)
voice_select2.name = "default";
}
strncpy0(buf,voice_select2.name,sizeof(buf));
variant_name = ExtractVoiceVariantName(buf,0,0);
vp = SelectVoiceByName(voices_list,buf);
if(vp != NULL)
{
voice_select2.languages = &(vp->languages[1]);
if((voice_select2.gender==0) && (voice_select2.age==0) && (voice_select2.variant==0))
{
if(variant_name[0] != 0)
{
sprintf(voice_id,"%s+%s", vp->identifier, variant_name);
return(voice_id);
}
return(vp->identifier);
}
}
}
// select and sort voices for the required language
nv = SetVoiceScores(&voice_select2,voices,0);
if(nv == 0)
{
// no matching voice, choose the default
*found = 0;
if((voices[0] = SelectVoiceByName(voices_list,"default")) != NULL)
nv = 1;
}
gender = 0;
if((voice_select2.gender == 2) || ((voice_select2.age > 0) && (voice_select2.age < 13)))
gender = 2;
else
if(voice_select2.gender == 1)
gender = 1;
#define AGE_OLD 60
if(voice_select2.age < AGE_OLD)
aged = 0;
p = p_start = variant_lists[gender];
if(aged == 0)
p++; // the first voice in the variants list is older
// add variants for the top voices
n_variants = 0;
for(ix=0, ix2=0; ix<nv; ix++)
{
vp = voices[ix];
// is the main voice the required gender?
skip=0;
if((gender != 0) && (vp->gender != gender))
{
skip=1;
}
if((ix2==0) && aged && (vp->age < AGE_OLD))
{
skip=1;
}
if(skip==0)
{
voices2[ix2++] = vp;
}
for(j=0; (j < vp->xx1) && (n_variants < N_VOICE_VARIANTS);)
{
if((variant_number = *p) == 0)
{
p = p_start;
continue;
}
vp2 = &voice_variants[n_variants++]; // allocate space for voice variant
memcpy(vp2,vp,sizeof(espeak_VOICE)); // copy from the original voice
vp2->variant = variant_number;
voices2[ix2++] = vp2;
p++;
j++;
}
}
// add any more variants to the end of the list
while((vp != NULL) && ((variant_number = *p++) != 0) && (n_variants < N_VOICE_VARIANTS))
{
vp2 = &voice_variants[n_variants++]; // allocate space for voice variant
memcpy(vp2,vp,sizeof(espeak_VOICE)); // copy from the original voice
vp2->variant = variant_number;
voices2[ix2++] = vp2;
}
// index the sorted list by the required variant number
if(ix2 == 0)
return(NULL);
vp = voices2[voice_select2.variant % ix2];
if(vp->variant != 0)
{
variant_name = ExtractVoiceVariantName(NULL, vp->variant, 0);
sprintf(voice_id,"%s+%s", vp->identifier, variant_name);
return(voice_id);
}
return(vp->identifier);
} // end of SelectVoice
static void GetVoices(const char *path)
{//====================================
FILE *f_voice;
espeak_VOICE *voice_data;
int ftype;
char fname[sizeof(path_home)+100];
#ifdef PLATFORM_RISCOS
int len;
int *type;
char *p;
_kernel_swi_regs regs;
_kernel_oserror *error;
char buf[80];
char directory2[sizeof(path_home)+100];
regs.r[0] = 10;
regs.r[1] = (int)path;
regs.r[2] = (int)buf;
regs.r[3] = 1;
regs.r[4] = 0;
regs.r[5] = sizeof(buf);
regs.r[6] = 0;
while(regs.r[3] > 0)
{
error = _kernel_swi(0x0c+0x20000,&regs,&regs); /* OS_GBPB 10, read directory entries */
if((error != NULL) || (regs.r[3] == 0))
{
break;
}
type = (int *)(&buf[16]);
len = strlen(&buf[20]);
sprintf(fname,"%s.%s",path,&buf[20]);
if(*type == 2)
{
// a sub-directory
GetVoices(fname);
}
else
{
// a regular line, add it to the voices list
if((f_voice = fopen(fname,"r")) == NULL)
continue;
// pass voice file name within the voices directory
voice_data = ReadVoiceFile(f_voice, fname+len_path_voices, &buf[20]);
fclose(f_voice);
if(voice_data != NULL)
{
voices_list[n_voices_list++] = voice_data;
}
}
}
#else
#ifdef PLATFORM_WINDOWS
WIN32_FIND_DATAA FindFileData;
HANDLE hFind = INVALID_HANDLE_VALUE;
#undef UNICODE // we need FindFirstFileA() which takes an 8-bit c-string
sprintf(fname,"%s\\*",path);
hFind = FindFirstFileA(fname, &FindFileData);
if(hFind == INVALID_HANDLE_VALUE)
return;
do {
sprintf(fname,"%s%c%s",path,PATHSEP,FindFileData.cFileName);
ftype = GetFileLength(fname);
if((ftype == -2) && (FindFileData.cFileName[0] != '.'))
{
// a sub-sirectory
GetVoices(fname);
}
else
if(ftype > 0)
{
// a regular line, add it to the voices list
if((f_voice = fopen(fname,"r")) == NULL)
continue;
// pass voice file name within the voices directory
voice_data = ReadVoiceFile(f_voice, fname+len_path_voices, FindFileData.cFileName);
fclose(f_voice);
if(voice_data != NULL)
{
voices_list[n_voices_list++] = voice_data;
}
}
} while(FindNextFileA(hFind, &FindFileData) != 0);
FindClose(hFind);
#else
DIR *dir;
struct dirent *ent;
if((dir = opendir((char *)path)) == NULL) // note: (char *) is needed for WINCE
return;
while((ent = readdir(dir)) != NULL)
{
if(n_voices_list >= (N_VOICES_LIST-2))
{
LOGE("The voice list is full.");
break; // voices list is full
}
sprintf(fname,"%s%c%s",path,PATHSEP,ent->d_name);
ftype = GetFileLength(fname);
if((ftype == -2) && (ent->d_name[0] != '.'))
{
// a sub-sirectory
GetVoices(fname);
}
else
if(ftype > 0)
{
// a regular line, add it to the voices list
if((f_voice = fopen(fname,"r")) == NULL)
{
LOGE("Unble to load voice file '%s': %s", fname, strerror(errno));
continue;
}
// pass voice file name within the voices directory
voice_data = ReadVoiceFile(f_voice, fname+len_path_voices, ent->d_name);
fclose(f_voice);
if(voice_data != NULL)
{
voices_list[n_voices_list++] = voice_data;
}
}
else if (ftype == 0)
{
LOGE("Unble to load voice file '%s': %s", fname, strerror(errno));
}
}
closedir(dir);
#endif
#endif
} // end of GetVoices
espeak_ERROR SetVoiceByName(const char *name)
{//=========================================
espeak_VOICE *v;
espeak_VOICE voice_selector;
char *variant_name;
static char buf[60];
strncpy0(buf,name,sizeof(buf));
variant_name = ExtractVoiceVariantName(buf, 0, 1);
memset(&voice_selector,0,sizeof(voice_selector));
// voice_selector.name = buf;
voice_selector.name = (char *)name; // include variant name in voice stack ??
// first check for a voice with this filename
// This may avoid the need to call espeak_ListVoices().
if(LoadVoice(buf,1) != NULL)
{
if(variant_name[0] != 0)
{
LoadVoice(variant_name,2);
}
DoVoiceChange(voice);
SetVoiceStack(&voice_selector, variant_name);
return(EE_OK);
}
if(n_voices_list == 0)
espeak_ListVoices(NULL); // create the voices list
if((v = SelectVoiceByName(voices_list,buf)) != NULL)
{
if(LoadVoice(v->identifier,0) != NULL)
{
if(variant_name[0] != 0)
{
LoadVoice(variant_name,2);
}
DoVoiceChange(voice);
SetVoiceStack(&voice_selector, variant_name);
return(EE_OK);
}
}
return(EE_INTERNAL_ERROR); // voice name not found
} // end of SetVoiceByName
espeak_ERROR SetVoiceByProperties(espeak_VOICE *voice_selector)
{//============================================================
const char *voice_id;
int voice_found;
voice_id = SelectVoice(voice_selector, &voice_found);
if(voice_found == 0)
return(EE_NOT_FOUND);
LoadVoiceVariant(voice_id,0);
DoVoiceChange(voice);
SetVoiceStack(voice_selector, "");
return(EE_OK);
} // end of SetVoiceByProperties
void FreeVoiceList()
{//=================
for(int ix=0; ix<n_voices_list; ix++)
{
if(voices_list[ix] != NULL)
{
free(voices_list[ix]);
voices_list[ix] = NULL;
}
}
n_voices_list = 0;
}
//=======================================================================
// Library Interface Functions
//=======================================================================
#pragma GCC visibility push(default)
ESPEAK_API const espeak_VOICE **espeak_ListVoices(espeak_VOICE *voice_spec)
{//========================================================================
#ifndef PLATFORM_RISCOS
int ix;
int j;
espeak_VOICE *v;
static espeak_VOICE **voices = NULL;
char path_voices[sizeof(path_home)+12];
// free previous voice list data
FreeVoiceList();
sprintf(path_voices,"%s%cvoices",path_home,PATHSEP);
len_path_voices = strlen(path_voices)+1;
GetVoices(path_voices);
voices_list[n_voices_list] = NULL; // voices list terminator
LOGI("GetVoices found %d voices.", n_voices_list);
voices = (espeak_VOICE **)realloc(voices, sizeof(espeak_VOICE *)*(n_voices_list+1));
// sort the voices list
qsort(voices_list,n_voices_list,sizeof(espeak_VOICE *),
(int (__cdecl *)(const void *,const void *))VoiceNameSorter);
if(voice_spec)
{
// select the voices which match the voice_spec, and sort them by preference
SetVoiceScores(voice_spec,voices,1);
}
else
{
// list all: omit variant voices and mbrola voices
j = 0;
for(ix=0; (v = voices_list[ix]) != NULL; ix++)
{
if((v->languages[0] != 0) && (strcmp(&v->languages[1],"variant") != 0) && (memcmp(v->identifier,"mb/",3) != 0))
{
voices[j++] = v;
}
}
voices[j] = NULL;
}
return((const espeak_VOICE **)voices);
#endif
return((const espeak_VOICE **)voices_list);
} // end of espeak_ListVoices
ESPEAK_API espeak_VOICE *espeak_GetCurrentVoice(void)
{//==================================================
return(&current_voice_selected);
}
#pragma GCC visibility pop
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