From fa97f161abc45bfd5db86bceb8803d2661e65447 Mon Sep 17 00:00:00 2001
From: Jörg Hohensohn <hohensoh@rockbox.org>
Date: Fri, 19 Mar 2004 22:15:53 +0000
Subject: Third step of the voice-UI: numerical settings are spoken (composed
 at runtime), needs new voicefont at the new location
 ".rockbox/langs/english.voice"

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4414 a1c6a512-1295-4272-9138-f99709370657
---
 apps/talk.h | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 apps/talk.h

(limited to 'apps/talk.h')

diff --git a/apps/talk.h b/apps/talk.h
new file mode 100644
index 0000000000..4851e7b6fb
--- /dev/null
+++ b/apps/talk.h
@@ -0,0 +1,61 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2004 Jörg Hohensohn
+ *
+ * This module collects the Talkbox and voice UI functions.
+ * (Talkbox reads directory names from mp3 clips called thumbnails,
+ *  the voice UI lets menus and screens "talk" from a voicefont in memory.
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef __TALK_H__
+#define __TALK_H__
+
+#include <stdbool.h>
+
+enum {
+    UNIT_INT = 1, /* plain number */
+    UNIT_SIGNED,  /* number with mandatory sign (even if positive) */
+    UNIT_MS,      /* milliseconds */
+    UNIT_SEC,     /* seconds */
+    UNIT_MIN,     /* minutes */
+    UNIT_HOUR,    /* hours */
+    UNIT_KHZ,     /* kHz */
+    UNIT_DB,      /* dB, mandatory sign */
+    UNIT_PERCENT, /* % */
+    UNIT_MB,      /* megabyte */
+    UNIT_GB,      /* gigabyte */
+    UNIT_LAST     /* END MARKER */
+};
+
+#define UNIT_SHIFT (32-4) /* this many bits left from UNIT_xx enum */
+
+/* make a "talkable" ID from number + unit
+   unit is upper 4 bits, number the remaining (in regular 2's complement) */
+#define TALK_ID(n,u) ((u)<<UNIT_SHIFT | ((n) & ~(-1<<UNIT_SHIFT))) 
+
+/* convenience macro to have both string and ID as arguments */
+#define STR(id) str(id), id
+
+
+void talk_init(void);
+int talk_buffer_steal(void); /* claim the mp3 buffer e.g. for play/record */
+int talk_id(int id, bool enqueue); /* play a voice ID from voicefont */
+int talk_file(char* filename, bool enqueue); /* play a thumbnail from file */
+int talk_number(int n, bool enqueue); /* say a number */
+int talk_value(int n, int unit, bool enqueue); /* say a numeric value */
+
+#endif /* __TALK_H__ */
-- 
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