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/***************************************************************************
* __________ __ ___.
* 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_MAH, /* milliAmp hours */
UNIT_PIXEL, /* pixels */
UNIT_PER_SEC, /* per second */
UNIT_HERTZ, /* hertz */
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 virtual pointer and ID as arguments */
#define STR(id) ID2P(id), id
/* publish these strings, so they're stored only once (better than #define) */
extern const char* const dir_thumbnail_name; /* "_dirname.talk" */
extern const char* const file_thumbnail_ext; /* ".talk" for file voicing */
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(const 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 */
int talk_spell(const char* spell, bool enqueue); /* spell a string */
#endif /* __TALK_H__ */
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