From dda63be39672ec8d32e0a9e9e6911b3d1d0590f6 Mon Sep 17 00:00:00 2001
From: Aleksey Lim <alsroot@member.fsf.org>
Date: Mon, 09 Mar 2009 04:28:11 +0000
Subject: Use ranges from speech-dispatcher's bindning for pitch/rate properties

---
diff --git a/src/espeak.c b/src/espeak.c
index 267e5eb..504f52e 100644
--- a/src/espeak.c
+++ b/src/espeak.c
@@ -157,10 +157,10 @@ espeak_new(GstElement *emitter)
     self->process_chunk = g_slist_alloc();
     self->process_chunk->data = self;
 
-    self->pitch = ESPEAK_DEFAULT_PITCH;
-    self->rate = ESPEAK_DEFAULT_RATE;
+    self->pitch = 50;
+    self->rate = 170;
     self->voice = ESPEAK_DEFAULT_VOICE;
-    self->gap = ESPEAK_DEFAULT_GAP;
+    self->gap = 0;
     self->track = ESPEAK_TRACK_NONE;
 
     self->emitter = emitter;
@@ -559,14 +559,27 @@ espeak_get_voices()
 }
 
 void
-espeak_set_pitch(Econtext *self, guint value)
+espeak_set_pitch(Econtext *self, gint value)
 {
+    if (value == 0)
+        value = 50;
+    else
+        value = MIN(99, (value + 100) / 2);
+
     g_atomic_int_set(&self->pitch, value);
 }
 
 void
-espeak_set_rate(Econtext *self, guint value)
+espeak_set_rate(Econtext *self, gint value)
 {
+    if (value == 0)
+        value = 170;
+    else
+        if (value < 0)
+            value = MAX(80, value + 170);
+        else
+            value = 170 + value * 2;
+
     g_atomic_int_set(&self->rate, value);
 }
 
diff --git a/src/espeak.h b/src/espeak.h
index 688b477..70df9d1 100644
--- a/src/espeak.h
+++ b/src/espeak.h
@@ -18,10 +18,7 @@
 #ifndef ESPEAK_H
 #define ESPEAK_H
 
-#define ESPEAK_DEFAULT_PITCH  50
-#define ESPEAK_DEFAULT_RATE   170 
 #define ESPEAK_DEFAULT_VOICE  "default"
-#define ESPEAK_DEFAULT_GAP    0 
 
 #define ESPEAK_TRACK_NONE 0
 #define ESPEAK_TRACK_WORD 1
@@ -35,8 +32,8 @@ void            espeak_unref(Econtext*);
 
 gint            espeak_get_sample_rate();
 GValueArray*    espeak_get_voices();
-void            espeak_set_pitch(Econtext*, guint);
-void            espeak_set_rate(Econtext*, guint);
+void            espeak_set_pitch(Econtext*, gint);
+void            espeak_set_rate(Econtext*, gint);
 void            espeak_set_voice(Econtext*, const gchar*);
 void            espeak_set_gap(Econtext*, guint);
 void            espeak_set_track(Econtext*, guint);
diff --git a/src/gstespeak.c b/src/gstespeak.c
index 6f28f57..9e3f627 100644
--- a/src/gstespeak.c
+++ b/src/gstespeak.c
@@ -115,12 +115,12 @@ gst_espeak_class_init(GstEspeakClass * klass)
                 "Text to pronounce", NULL,
                 G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
     g_object_class_install_property(gobject_class, PROP_PITCH,
-            g_param_spec_uint("pitch", "Pitch adjustment",
-                "Pitch adjustment", 0, 99, ESPEAK_DEFAULT_PITCH,
+            g_param_spec_int("pitch", "Pitch adjustment",
+                "Pitch adjustment", -100, 100, 0,
                 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
     g_object_class_install_property(gobject_class, PROP_RATE,
-            g_param_spec_uint("rate", "Speed in words per minute",
-                "Speed in words per minute", 80, 390, ESPEAK_DEFAULT_RATE,
+            g_param_spec_int("rate", "Speed in words per minute",
+                "Speed in words per minute", -100, 100, 0,
                 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
     g_object_class_install_property(gobject_class, PROP_VOICE,
             g_param_spec_string("voice", "Current voice",
@@ -128,7 +128,7 @@ gst_espeak_class_init(GstEspeakClass * klass)
                 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
     g_object_class_install_property(gobject_class, PROP_GAP,
             g_param_spec_uint("gap", "Gap",
-                "Word gap", 0, G_MAXINT, ESPEAK_DEFAULT_GAP,
+                "Word gap", 0, G_MAXINT, 0,
                 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
     g_object_class_install_property(gobject_class, PROP_TRACK,
             g_param_spec_uint("track", "Track",
@@ -153,8 +153,8 @@ static void
 gst_espeak_init (GstEspeak * self,
     GstEspeakClass * gclass)
 {
-    self->pitch = ESPEAK_DEFAULT_PITCH;
-    self->rate = ESPEAK_DEFAULT_RATE;
+    self->pitch = 0;
+    self->rate = 0;
     self->voice = g_strdup(ESPEAK_DEFAULT_VOICE);
     self->voices = espeak_get_voices();
     self->speak = espeak_new(GST_ELEMENT(self));
@@ -172,7 +172,6 @@ gst_espeak_init (GstEspeak * self,
 static void
 gst_espeak_finalize(GObject * self_)
 {
-fprintf(stderr, "0!!!!!!\n");
     GstEspeak *self = GST_ESPEAK(self_);
 
     gst_caps_unref(self->caps);         self->caps = NULL;
@@ -196,11 +195,11 @@ gst_espeak_set_property(GObject *object, guint prop_id,
             espeak_in(self->speak, g_value_get_string(value));
             break;
         case PROP_PITCH:
-            self->pitch = g_value_get_uint(value);
+            self->pitch = g_value_get_int(value);
             espeak_set_pitch(self->speak, self->pitch);
             break;
         case PROP_RATE:
-            self->rate = g_value_get_uint(value);
+            self->rate = g_value_get_int(value);
             espeak_set_rate(self->speak, self->rate);
             break;
         case PROP_VOICE:
@@ -283,7 +282,6 @@ gst_espeak_start(GstBaseSrc * self_)
 static gboolean
 gst_espeak_stop(GstBaseSrc * self)
 {
-    GST_DEBUG("!!!!!!!!!!");
     return TRUE;
 }
 
diff --git a/src/gstespeak.h b/src/gstespeak.h
index 9b4778b..1156b14 100644
--- a/src/gstespeak.h
+++ b/src/gstespeak.h
@@ -43,8 +43,8 @@ struct _GstEspeak
 {
     GstAudioSrc parent;
     struct _Econtext *speak;
-    guint pitch;
-    guint rate;
+    gint pitch;
+    gint rate;
     gchar *voice;
     guint gap;
     guint track;
--
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