45e0de3e63
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5929 a1c6a512-1295-4272-9138-f99709370657
69 lines
2.7 KiB
C
69 lines
2.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2004 Jörg Hohensohn
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*
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* This module collects the Talkbox and voice UI functions.
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* (Talkbox reads directory names from mp3 clips called thumbnails,
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* the voice UI lets menus and screens "talk" from a voicefont in memory.
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __TALK_H__
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#define __TALK_H__
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#include <stdbool.h>
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enum {
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UNIT_INT = 1, /* plain number */
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UNIT_SIGNED, /* number with mandatory sign (even if positive) */
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UNIT_MS, /* milliseconds */
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UNIT_SEC, /* seconds */
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UNIT_MIN, /* minutes */
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UNIT_HOUR, /* hours */
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UNIT_KHZ, /* kHz */
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UNIT_DB, /* dB, mandatory sign */
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UNIT_PERCENT, /* % */
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UNIT_MB, /* megabyte */
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UNIT_GB, /* gigabyte */
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UNIT_MAH, /* milliAmp hours */
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UNIT_PIXEL, /* pixels */
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UNIT_PER_SEC, /* per second */
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UNIT_HERTZ, /* hertz */
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UNIT_LAST /* END MARKER */
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};
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#define UNIT_SHIFT (32-4) /* this many bits left from UNIT_xx enum */
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/* make a "talkable" ID from number + unit
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unit is upper 4 bits, number the remaining (in regular 2's complement) */
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#define TALK_ID(n,u) (((long)(u))<<UNIT_SHIFT | ((n) & ~(-1L<<UNIT_SHIFT)))
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/* convenience macro to have both virtual pointer and ID as arguments */
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#define STR(id) ID2P(id), id
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/* publish these strings, so they're stored only once (better than #define) */
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extern const char* const dir_thumbnail_name; /* "_dirname.talk" */
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extern const char* const file_thumbnail_ext; /* ".talk" for file voicing */
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void talk_init(void);
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int talk_buffer_steal(void); /* claim the mp3 buffer e.g. for play/record */
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int talk_id(long id, bool enqueue); /* play a voice ID from voicefont */
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int talk_file(const char* filename, bool enqueue); /* play a thumbnail from file */
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int talk_number(long n, bool enqueue); /* say a number */
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int talk_value(long n, int unit, bool enqueue); /* say a numeric value */
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int talk_spell(const char* spell, bool enqueue); /* spell a string */
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#endif /* __TALK_H__ */
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