From 25c4dc150a489a13f0769a38828d52ed6f99e947 Mon Sep 17 00:00:00 2001
From: Yury Popov <dev@syncleo-iot.com>
Date: Sat, 19 Nov 2022 17:07:42 +0300
Subject: [PATCH] code cleanup: static phoneme_callback

---
 src/libespeak-ng/speech.c     | 6 ------
 src/libespeak-ng/synthesize.c | 9 +++++++++
 src/libespeak-ng/translate.h  | 2 --
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/libespeak-ng/speech.c b/src/libespeak-ng/speech.c
index cdbb89ba..befbb35e 100644
--- a/src/libespeak-ng/speech.c
+++ b/src/libespeak-ng/speech.c
@@ -84,7 +84,6 @@ static int min_buffer_length = 60; // minimum buffer length in ms
 static espeak_ng_STATUS err = ENS_OK;
 
 static t_espeak_callback *synth_callback = NULL;
-int (*phoneme_callback)(const char *) = NULL;
 
 char path_home[N_PATH_HOME]; // this is the espeak-ng-data directory
 extern int saved_parameters[N_SPEECH_PARAM]; // Parameters saved on synthesis start
@@ -653,11 +652,6 @@ ESPEAK_API void espeak_SetSynthCallback(t_espeak_callback *SynthCallback)
 #endif
 }
 
-ESPEAK_API void espeak_SetPhonemeCallback(int (*PhonemeCallback)(const char *))
-{
-	phoneme_callback = PhonemeCallback;
-}
-
 ESPEAK_NG_API espeak_ng_STATUS
 espeak_ng_Synthesize(const void *text, size_t size,
                      unsigned int position,
diff --git a/src/libespeak-ng/synthesize.c b/src/libespeak-ng/synthesize.c
index 23c2eb98..217a05a0 100644
--- a/src/libespeak-ng/synthesize.c
+++ b/src/libespeak-ng/synthesize.c
@@ -68,6 +68,8 @@ static int syllable_centre;
 
 static voice_t *new_voice = NULL;
 
+static int (*phoneme_callback)(const char *) = NULL;
+
 #define RMS_GLOTTAL1 35   // vowel before glottal stop
 #define RMS_START 28  // 28
 #define VOWEL_FRONT_LENGTH  50
@@ -1588,3 +1590,10 @@ int SpeakNextClause(int control)
 
 	return 1;
 }
+
+#pragma GCC visibility push(default)
+ESPEAK_API void espeak_SetPhonemeCallback(int (*PhonemeCallback)(const char *))
+{
+	phoneme_callback = PhonemeCallback;
+}
+#pragma GCC visibility pop
diff --git a/src/libespeak-ng/translate.h b/src/libespeak-ng/translate.h
index 3fc2d4c9..99f697bd 100644
--- a/src/libespeak-ng/translate.h
+++ b/src/libespeak-ng/translate.h
@@ -649,8 +649,6 @@ extern char dictionary_name[40];
 extern espeak_ng_TEXT_DECODER *p_decoder;
 extern int dictionary_skipwords;
 
-extern int (*phoneme_callback)(const char *);
-
 #define LEADING_2_BITS 0xC0 // 0b11000000
 #define UTF8_TAIL_BITS 0x80 // 0b10000000