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Merged
sthibaul merged 1 commit into from
Dec 27, 2025
Merged

flite: Add the rms, slt, awb and kal voices #1074

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48 changes: 29 additions & 19 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -243,10 +243,9 @@ AC_ARG_WITH([flite],
[with_flite=check])
AS_IF([test $with_flite != "no"],
[AC_CHECK_LIB([flite], [flite_init],
[flite_basic="-lflite"],
[flite_basic="-lflite -lm"],
[AS_IF([test $with_flite = "yes"],
[AC_MSG_FAILURE([libflite is not available])])],
[-lm])
[AC_MSG_FAILURE([libflite is not available])])])
AC_CHECK_LIB([flite_usenglish], [usenglish_init],
[flite_basic="-lflite_usenglish ${flite_basic}"],
[AS_IF([test $with_flite = "yes"],
Expand All @@ -257,25 +256,36 @@ AS_IF([test $with_flite != "no"],
[AS_IF([test $with_flite = "yes"],
[AC_MSG_FAILURE([libflite_cmulex is not available])])],
[-lflite -lm])

AC_CHECK_LIB([flite_cmu_us_kal16], [register_cmu_us_kal16],
[with_flite=yes;
flite_kal="-lflite_cmu_us_kal16";
AC_DEFINE([HAVE_REGISTER_CMU_US_KAL16], [1],
[Use cmu_register_us_kal16 to register the 16-bit voice.])],
[AC_CHECK_LIB([flite_cmu_us_kal16], [register_cmu_us_kal],
[with_flite=yes;
flite_kal="-lflite_cmu_us_kal16"],
[AC_CHECK_LIB([flite_cmu_us_kal], [register_cmu_us_kal],
[with_flite=yes;
flite_kal="-lflite_cmu_us_kal"],
[AS_IF([test $with_flite = "yes"],
[AC_MSG_FAILURE([no flite voices found])])],
[$flite_basic -lm])],
[$flite_basic -lm])],
[$flite_basic -lm])])
[with_flite=yes; flite_voices="$flite_voices -lflite_cmu_us_kal16"
AC_DEFINE([HAVE_REGISTER_CMU_US_KAL16], [1],
[Use cmu_register_us_kal16 to register the kal 16-bit voice.])],
[], [$flite_basic])
AC_CHECK_LIB([flite_cmu_us_kal], [register_cmu_us_kal],
[with_flite=yes; flite_voices="$flite_voices -lflite_cmu_us_kal"
AC_DEFINE([HAVE_REGISTER_CMU_US_KAL], [1],
[Use cmu_register_us_kal to register the kal 8-bit voice.])],
[], [$flite_basic])
AC_CHECK_LIB([flite_cmu_us_awb], [register_cmu_us_awb],
[with_flite=yes; flite_voices="$flite_voices -lflite_cmu_us_awb"
AC_DEFINE([HAVE_REGISTER_CMU_US_AWB], [1],
[Use cmu_register_us_kal to register the awb voice.])],
[], [$flite_basic])
AC_CHECK_LIB([flite_cmu_us_rms], [register_cmu_us_rms],
[with_flite=yes; flite_voices="$flite_voices -lflite_cmu_us_rms"
AC_DEFINE([HAVE_REGISTER_CMU_US_RMS], [1],
[Use cmu_register_us_kal to register the rms voice.])],
[], [$flite_basic])
AC_CHECK_LIB([flite_cmu_us_slt], [register_cmu_us_slt],
[with_flite=yes; flite_voices="$flite_voices -lflite_cmu_us_slt"
AC_DEFINE([HAVE_REGISTER_CMU_US_SLT], [1],
[Use cmu_register_us_kal to register the slt voice.])],
[], [$flite_basic])
])
AM_CONDITIONAL([flite_support], [test $with_flite = "yes"])
AC_SUBST([flite_basic])
AC_SUBST([flite_kal])
AC_SUBST([flite_voices])
AS_IF([test $with_flite = "yes"], [output_modules="${output_modules} flite"])

AC_CHECK_PROGS([FLITE], [flite])
Expand Down
2 changes: 1 addition & 1 deletion src/modules/Makefile.am
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Original file line number Diff line number Diff line change
Expand Up @@ -121,7 +121,7 @@ if flite_support
modulebin_PROGRAMS += sd_flite
sd_flite_SOURCES = flite.c $(common_SOURCES)
sd_flite_LDADD = $(top_builddir)/src/common/libcommon.la \
$(flite_kal) $(flite_basic) \
$(flite_voices) $(flite_basic) \
$(common_LDADD)
endif

Expand Down
142 changes: 119 additions & 23 deletions src/modules/flite.c
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,13 @@
#define DEBUG_MODULE 1
DECLARE_DEBUG();

/* These aren't declared in any header */
extern cst_voice *register_cmu_us_kal16(void);
extern cst_voice *register_cmu_us_kal(void);
extern cst_voice *register_cmu_us_awb(void);
extern cst_voice *register_cmu_us_rms(void);
extern cst_voice *register_cmu_us_slt(void);

/* Thread and process control */
static int flite_speaking = 0;

Expand All @@ -44,11 +51,41 @@ static char *buf;
static signed int flite_volume = 0;

/* Internal functions prototypes */
static void flite_set_voice(const char *name);
static void flite_set_rate(signed int rate);
static void flite_set_pitch(signed int pitch);
static void flite_set_volume(signed int pitch);

/* Voice */
/* Loaded voices */
static cst_voice *kal16_cst_voice;
static cst_voice *kal_cst_voice;
static cst_voice *awb_cst_voice;
static cst_voice *rms_cst_voice;
static cst_voice *slt_cst_voice;

static SPDVoice rms_voice = {
.name = "rms",
.language = "en",
};
static SPDVoice slt_voice = {
.name = "slt",
.language = "en",
};
static SPDVoice awb_voice = {
.name = "awb",
.language = "en",
};
static SPDVoice kal16_voice = {
.name = "kal16",
.language = "en",
};
static SPDVoice kal_voice = {
.name = "kal",
.language = "en",
};
static SPDVoice *voices[6]; /* One is left NULL */

/* Current voice */
static cst_voice *flite_voice;

static int flite_stop = 0;
Expand All @@ -72,28 +109,72 @@ int module_load(void)

int module_init(char **status_info)
{
SPDVoice **v;
DBG("Module init");

module_audio_set_server();

*status_info = NULL;

/* Init flite and register a new voice */
/* Init flite and register voices */
flite_init();

v = voices;

#ifdef HAVE_REGISTER_CMU_US_RMS
rms_cst_voice = register_cmu_us_rms();
if (rms_cst_voice)
{
*v++ = &rms_voice;
if (flite_voice == NULL)
flite_voice = rms_cst_voice;
}
#endif

#ifdef HAVE_REGISTER_CMU_US_SLT
slt_cst_voice = register_cmu_us_slt();
if (slt_cst_voice)
{
*v++ = &slt_voice;
if (flite_voice == NULL)
flite_voice = slt_cst_voice;
}
#endif

#ifdef HAVE_REGISTER_CMU_US_AWB
awb_cst_voice = register_cmu_us_awb();
if (awb_cst_voice)
{
*v++ = &awb_voice;
if (flite_voice == NULL)
flite_voice = awb_cst_voice;
}
#endif

#ifdef HAVE_REGISTER_CMU_US_KAL16
cst_voice *register_cmu_us_kal16(); /* This isn't declared in any headers. */
flite_voice = register_cmu_us_kal16();
#else
cst_voice *register_cmu_us_kal();
flite_voice = register_cmu_us_kal();
#endif /* HAVE_REGISTER_CMU_US_KAL16 */
kal16_cst_voice = register_cmu_us_kal16();
if (kal16_cst_voice)
{
*v++ = &kal16_voice;
if (flite_voice == NULL)
flite_voice = kal16_cst_voice;
}
#endif

#ifdef HAVE_REGISTER_CMU_US_KAL
kal_cst_voice = register_cmu_us_kal();
if (kal_cst_voice)
{
*v++ = &kal_voice;
if (flite_voice == NULL)
flite_voice = kal_cst_voice;
}
#endif

if (flite_voice == NULL) {
DBG("Couldn't register the basic kal voice.\n");
*status_info = g_strdup("Can't register the basic kal voice. "
"Currently only kal is supported. Seems your FLite "
"installation is incomplete.");
DBG("Couldn't register a voice.\n");
*status_info = g_strdup("Can't register a voice. "
"Seems your FLite installation is incomplete.");
return -1;
}

Expand All @@ -111,15 +192,6 @@ int module_init(char **status_info)

SPDVoice **module_list_voices(void)
{
static SPDVoice voice = {
#ifdef HAVE_REGISTER_CMU_US_KAL16
.name = "kal16",
#else
.name = "kal",
#endif
.language = "en",
};
static SPDVoice *voices[] = { &voice, NULL };
return voices;
}

Expand Down Expand Up @@ -152,6 +224,7 @@ void module_speak_sync(const gchar * data, size_t len, SPDMessageType msgtype)
module_speak_ok();

/* Setting voice */
UPDATE_STRING_PARAMETER(voice.name, flite_set_voice);
UPDATE_PARAMETER(rate, flite_set_rate);
UPDATE_PARAMETER(volume, flite_set_volume);
UPDATE_PARAMETER(pitch, flite_set_pitch);
Expand Down Expand Up @@ -259,8 +332,16 @@ int module_close(void)
module_stop();
}

g_free(flite_voice);
flite_voice = NULL;
g_free(kal16_cst_voice);
kal16_cst_voice = NULL;
g_free(kal_cst_voice);
kal_cst_voice = NULL;
g_free(awb_cst_voice);
awb_cst_voice = NULL;
g_free(rms_cst_voice);
rms_cst_voice = NULL;
g_free(slt_cst_voice);
slt_cst_voice = NULL;
g_free(buf);
buf = NULL;

Expand All @@ -269,6 +350,21 @@ int module_close(void)

/* Internal functions */

static void flite_set_voice(const char *name)
{
if (!strcmp(name, "kal16"))
flite_voice = kal16_cst_voice;
else if (!strcmp(name, "kal"))
flite_voice = kal_cst_voice;
else if (!strcmp(name, "awb"))
flite_voice = awb_cst_voice;
else if (!strcmp(name, "rms"))
flite_voice = rms_cst_voice;
else if (!strcmp(name, "slt"))
flite_voice = slt_cst_voice;
DBG("Unknown voice %s", name);
}

static void flite_set_rate(signed int rate)
{
float stretch = 1;
Expand Down
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