summaryrefslogtreecommitdiffstats
path: root/apps/plugins/announce_status.c
blob: a1e9f430a890b9274d7e6cd8ab4972ad2d0fe1e8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 *
 * Copyright (C) 2003-2005 Jörg Hohensohn
 * Copyright (C) 2020 BILGUS
 *
 *
 *
 * Usage: Start plugin, it will stay in the background.
 *
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include "plugin.h"
#include "lib/kbd_helper.h"
#include "lib/configfile.h"

/****************** constants ******************/
#define MAX_GROUPS 7
#define MAX_ANNOUNCE_WPS 63
#define ANNOUNCEMENT_TIMEOUT  10
#define GROUPING_CHAR ';'

#define EV_EXIT        MAKE_SYS_EVENT(SYS_EVENT_CLS_PRIVATE, 0xFF)
#define EV_OTHINSTANCE MAKE_SYS_EVENT(SYS_EVENT_CLS_PRIVATE, 0xFE)
#define EV_STARTUP     MAKE_SYS_EVENT(SYS_EVENT_CLS_PRIVATE, 0x01)
#define EV_TRACKCHANGE MAKE_SYS_EVENT(SYS_EVENT_CLS_PRIVATE, 0x02)

#define CFG_FILE "/VoiceTSR.cfg"
#define CFG_VER  1

#if CONFIG_RTC
    #define K_TIME     "DT D1;\n\n"
    #define K_DATE     "DD D2;\n\n"
#else
    #define K_TIME     ""
    #define K_DATE     ""
#endif

#define K_TRACK_TA "TT TA;\n"
#define K_TRACK    "TE TL TR;\n"
#define K_TRACK1   "T1 T2 T3;\n\n"
#define K_PLAYLIST "PC PN PR P1 P2;\n"
#define K_BATTERY  "BP BM B1;\n"
#define K_SLEEP    "RS R2 R3;\n"
#define K_RUNTIME  "RT R1;"
#define KEYBD_LAYOUT  (K_TIME K_DATE K_TRACK_TA K_TRACK K_TRACK1 K_PLAYLIST K_BATTERY K_SLEEP K_RUNTIME)

/****************** prototypes ******************/
void print_scroll(char* string); /* implements a scrolling screen */

int get_playtime(void); /* return the current track time in seconds */
int get_tracklength(void); /* return the total length of the current track */
int get_track(void); /* return the track number */
void get_playmsg(void); /* update the play message with Rockbox info */

void thread_create(void);
void thread(void); /* the thread running it all */
void thread_quit(void);
static int voice_general_info(bool testing);
static unsigned char* voice_info_group(unsigned char* current_token, bool testing);

int main(const void* parameter); /* main loop */
enum plugin_status plugin_start(const void* parameter); /* entry */


/****************** data types ******************/

/****************** globals ******************/
/* communication to the worker thread */
static struct
{
    bool exiting; /* signal to the thread that we want to exit */
    unsigned int id; /* worker thread id */
    struct  event_queue queue; /* thread event queue */
    long   *stack;
    ssize_t stacksize;
    void   *buf;
    size_t  buf_size;

} gThread;

static struct
{
    int interval;
    int announce_on;
    int grouping;

    int timeout;
    int count;
    unsigned int index;
    int bin_added;

    unsigned char wps_fmt[MAX_ANNOUNCE_WPS+1];
} gAnnounce;

static struct configdata config[] =
{
   {TYPE_INT, 0, 10000, { .int_p = &gAnnounce.interval }, "Interval", NULL},
   {TYPE_INT, 0, 2, { .int_p = &gAnnounce.announce_on }, "Announce", NULL},
   {TYPE_INT, 0, 10, { .int_p = &gAnnounce.grouping }, "Grouping", NULL},
   {TYPE_INT, 0, 10000, { .int_p = &gAnnounce.bin_added }, "Added", NULL},
   {TYPE_STRING, 0, MAX_ANNOUNCE_WPS+1,
                   { .string =  (char*)&gAnnounce.wps_fmt }, "Fmt", NULL},
};

const int gCfg_sz = sizeof(config)/sizeof(*config);
/****************** communication with Rockbox playback ******************/

#if 0
/* return the track number */
int get_track(void)
{
    //if (rb->audio_status() == (AUDIO_STATUS_PLAY | AUDIO_STATUS_PAUSE))
    struct mp3entry* p_mp3entry;

    p_mp3entry = rb->audio_current_track();
    if (p_mp3entry == NULL)
        return 0;

    return p_mp3entry->index + 1; /* track numbers start with 1 */
}
#endif

static void playback_event_callback(unsigned short id, void *data)
{
    (void)id;
    (void)data;
    rb->queue_post(&gThread.queue, EV_TRACKCHANGE, 0);
}

/****************** config functions *****************/
static void config_set_defaults(void)
{
    gAnnounce.bin_added = 0;
    gAnnounce.interval = ANNOUNCEMENT_TIMEOUT;
    gAnnounce.announce_on = 0;
    gAnnounce.grouping = 0;
    gAnnounce.wps_fmt[0] = '\0';
}

static void config_reset_voice(void)
{
    /* don't want to change these so save a copy */
    int interval = gAnnounce.interval;
    int announce = gAnnounce.announce_on;
    int grouping = gAnnounce.grouping;

    if (configfile_load(CFG_FILE, config, gCfg_sz, CFG_VER) < 0)
    {
        rb->splash(100, "ERROR!");
        return;
    }

    /* restore other settings */
    gAnnounce.interval = interval;
    gAnnounce.announce_on = announce;
    gAnnounce.grouping = grouping;
}

/****************** helper fuctions ******************/

void announce(void)
{
    rb->talk_force_shutup();
    rb->sleep(HZ / 2);
    voice_general_info(false);
    //rb->talk_force_enqueue_next();
}

static void announce_test(void)
{
    rb->talk_force_shutup();
    rb->sleep(HZ / 2);
    voice_info_group(gAnnounce.wps_fmt, true);

    //rb->talk_force_enqueue_next();
}

static void announce_add(const char *str)
{
    int len_cur = rb->strlen(gAnnounce.wps_fmt);
    int len_str = rb->strlen(str);
    if (len_cur + len_str > MAX_ANNOUNCE_WPS)
        return;
    rb->strcpy(&gAnnounce.wps_fmt[len_cur], str);
    announce_test();

}

static int _playlist_get_display_index(struct playlist_info *playlist)
{
    /* equivalent of the function found in playlist.c */
    if(!playlist)
        return -1;
    /* first_index should always be index 0 for display purposes */
    int index = playlist->index;
    index -= playlist->first_index;
    if (index < 0)
        index += playlist->amount;

    return index + 1;
}

static enum themable_icons icon_callback(int selected_item, void * data)
{
    (void)data;

    if(selected_item < MAX_GROUPS && selected_item >= 0)
    {
        int bin = 1 << (selected_item);
        if ((gAnnounce.bin_added & bin) == bin)
            return Icon_Submenu;
    }

    return Icon_NOICON;
}

static int announce_menu_cb(int action,
                            const struct menu_item_ex *this_item,
                            struct gui_synclist *this_list)
{
    (void)this_item;
    unsigned short *kbd_p = gThread.buf;
    size_t kbd_bufsz = gThread.buf_size;

    int selection = rb->gui_synclist_get_sel_pos(this_list);

    if(action == ACTION_ENTER_MENUITEM)
    {
        rb->gui_synclist_set_icon_callback(this_list, icon_callback);
    }
    else if ((action == ACTION_STD_OK))
    {
        //rb->splashf(100, "%d", selection);
        if (selection < MAX_GROUPS && selection >= 0) /* only add premade tags once */
        {
            int bin = 1 << (selection);
            if ((gAnnounce.bin_added & bin) == bin)
                return 0;

            gAnnounce.bin_added |= bin;
        }

        switch(selection) {

            case 0: /*Time*/
                announce_add("D1Dt ;");
                break;
            case 1: /*Date*/
                announce_add("D2Dd ;");
                break;
            case 2: /*Track*/
                announce_add("TT T1TeT2Tr ;");
                break;
            case 3: /*Playlist*/
                announce_add("P1PC P2PN ;");
                break;
            case 4: /*Battery*/
                announce_add("B1Bp ;");
                break;
            case 5: /*Sleep*/
                announce_add("R2RsR3 ;");
                break;
            case 6: /*Runtime*/
                announce_add("R1Rt ;");
                break;
            case 7: /* sep */
                break;
            case 8: /*Clear All*/
                gAnnounce.wps_fmt[0] = '\0';
                gAnnounce.bin_added = 0;
                rb->splash(HZ / 2, ID2P(LANG_RESET_DONE_CLEAR));
                break;
            case 9: /* inspect it */
                if (!kbd_create_layout(KEYBD_LAYOUT, kbd_p, kbd_bufsz))
                    kbd_p = NULL;

                rb->kbd_input(gAnnounce.wps_fmt, MAX_ANNOUNCE_WPS, kbd_p);
                break;
            case 10: /*test it*/
                announce_test();
                break;
            case 11: /*cancel*/
                config_reset_voice();
                return ACTION_STD_CANCEL;
            case 12: /* save */
                return ACTION_STD_CANCEL;
            default:
                return action;
        }
        rb->gui_synclist_draw(this_list); /* redraw */
        return 0;
    }

    return action;
}

static int announce_menu(void)
{
    int selection = 0;

    MENUITEM_STRINGLIST(announce_menu, "Announcements", announce_menu_cb,
                        ID2P(LANG_TIME),
                        ID2P(LANG_DATE),
                        ID2P(LANG_TRACK),
                        ID2P(LANG_PLAYLIST),
                        ID2P(LANG_BATTERY_MENU),
                        ID2P(LANG_SLEEP_TIMER),
                        ID2P(LANG_RUNNING_TIME),
                        ID2P(VOICE_BLANK),
                        ID2P(LANG_CLEAR_ALL),
                        ID2P(LANG_ANNOUNCEMENT_FMT),
                        ID2P(LANG_VOICE),
                        ID2P(LANG_CANCEL_0),
                        ID2P(LANG_SAVE));

    selection = rb->do_menu(&announce_menu, &selection, NULL, true);
    if (selection == MENU_ATTACHED_USB)
        return PLUGIN_USB_CONNECTED;

    return 0;
}

/**
  Shows the settings menu
 */
static int settings_menu(void)
{
    int selection = 0;
    //bool old_val;

    MENUITEM_STRINGLIST(settings_menu, "Announce Settings", NULL,
                        ID2P(LANG_TIMEOUT),
                        ID2P(LANG_ANNOUNCE_ON),
                        ID2P(LANG_GROUPING),
                        ID2P(LANG_ANNOUNCEMENT_FMT),
                        ID2P(VOICE_BLANK),
                        ID2P(LANG_MENU_QUIT),
                        ID2P(LANG_SAVE_EXIT));

    static const struct opt_items announce_options[] = {
        { STR(LANG_OFF)},
        { STR(LANG_TRACK_CHANGE)},
    };

    do {
        selection=rb->do_menu(&settings_menu,&selection, NULL, true);
        switch(selection) {

            case 0:
                rb->set_int(rb->str(LANG_TIMEOUT), "s", UNIT_SEC,
                            &gAnnounce.interval, NULL, 1, 1, 360, NULL );
                break;
            case 1:
                rb->set_option(rb->str(LANG_ANNOUNCE_ON),
                      &gAnnounce.announce_on, INT, announce_options, 2, NULL);
                break;
            case 2:
                rb->set_int(rb->str(LANG_GROUPING), "", 1,
                            &gAnnounce.grouping, NULL, 1, 0, 7, NULL );
                break;
            case 3:
                announce_menu();
                break;
            case 4: /*sep*/
                continue;
            case 5:
                return -1;
                break;
            case 6:
                configfile_save(CFG_FILE, config, gCfg_sz, CFG_VER);
                return 0;
                break;

            case MENU_ATTACHED_USB:
                return PLUGIN_USB_CONNECTED;
            default:
                return 0;
        }
    } while ( selection >= 0 );
    return 0;
}


/****************** main thread + helper ******************/
void thread(void)
{
    long interval;
    long last_tick = *rb->current_tick; /* for 1 sec tick */

    struct queue_event ev;
    while (!gThread.exiting)
    {
        rb->queue_wait(&gThread.queue, &ev);
        interval = gAnnounce.interval * HZ;
        switch (ev.id)
        {
            case EV_EXIT:
                return;
            case EV_OTHINSTANCE:
                if (*rb->current_tick - last_tick >= interval)
                {
                    last_tick += interval;
                    rb->sleep(0);
                    announce();
                }
                break;
            case EV_STARTUP:
                rb->beep_play(1500, 100, 1000);
                break;
            case EV_TRACKCHANGE:
                rb->sleep(0);
                announce();
                break;
        }
    }
}

void plugin_buffer_init(void)
{
    if (gThread.buf == 0)
    {
        rb->memset(&gThread, 0, sizeof(gThread));
        gThread.buf = rb->plugin_get_buffer(&gThread.buf_size);
        ALIGN_BUFFER(gThread.buf, gThread.buf_size, 4);
    }
}

void thread_create(void)
{
    /* init the worker thread */
    gThread.stacksize = gThread.buf_size;
    gThread.buf_size -= gThread.stacksize;

    gThread.stack = (long *) gThread.buf + gThread.buf_size;

    ALIGN_BUFFER(gThread.stack, gThread.stacksize, 4);

    if (gThread.stacksize < DEFAULT_STACK_SIZE)
    {
        rb->splash(HZ*2, "Out of memory");
        gThread.exiting = true;
        gThread.id = UINT_MAX;
        return;
    }


    /* put the thread's queue in the bcast list */
    rb->queue_init(&gThread.queue, true);

    gThread.id = rb->create_thread(thread, gThread.stack, gThread.stacksize,
                                      0, "vTSR"
                                      IF_PRIO(, PRIORITY_BACKGROUND)
                                      IF_COP(, CPU));
    rb->queue_post(&gThread.queue, EV_STARTUP, 0);
    rb->yield();

}

void thread_quit(void)
{
    if (!gThread.exiting) {
        rb->queue_post(&gThread.queue, EV_EXIT, 0);
        rb->thread_wait(gThread.id);
        /* remove the thread's queue from the broadcast list */
        rb->queue_delete(&gThread.queue);
        gThread.exiting = true;
    }
}

/* callback to end the TSR plugin, called before a new one gets loaded */
static bool exit_tsr(bool reenter)
{
    if (reenter)
    {
        rb->queue_post(&gThread.queue, EV_OTHINSTANCE, 0);
        return false; /* dont let it start again */
    }
    thread_quit();

    return true;
}


/****************** main ******************/

int plugin_main(const void* parameter)
{
    (void)parameter;
    bool settings = false;
    int i = 0;

    gAnnounce.index = 0;
    gAnnounce.timeout = 0;

    rb->talk_id(LANG_HOLD_FOR_SETTINGS, false);
    rb->splash(HZ / 2, "Announce Status");

    if (configfile_load(CFG_FILE, config, gCfg_sz, CFG_VER) < 0)
    {
        /* If the loading failed, save a new config file */
        config_set_defaults();
        configfile_save(CFG_FILE, config, gCfg_sz, CFG_VER);

        rb->splash(HZ, ID2P(LANG_HOLD_FOR_SETTINGS));
    }

    rb->splash(HZ, ID2P(LANG_HOLD_FOR_SETTINGS));

    rb->button_clear_queue();
    if (rb->button_get_w_tmo(HZ) > BUTTON_NONE)
    {
        while ((rb->button_get(false) & BUTTON_REL) != BUTTON_REL)
        {
            if (i & 1)
                rb->beep_play(800, 100, 1000);

            if (++i > 15)
            {
                settings = true;
                break;
            }
            rb->sleep(HZ / 5);
        }
    }

    plugin_buffer_init(); /* need buffer for custom keyboard layout */

    if (settings)
    {
        rb->splash(100, ID2P(LANG_SETTINGS));
        int ret = settings_menu();
        if (ret < 0)
            return 0;
    }

    gAnnounce.timeout = *rb->current_tick;
    rb->plugin_tsr(exit_tsr); /* stay resident */

    if (gAnnounce.announce_on == 1)
        rb->add_event(PLAYBACK_EVENT_TRACK_CHANGE, playback_event_callback);

    thread_create();
#ifdef DEBUG
    return rb->default_event_handler(button);
#else
    return 0;
#endif
}


/***************** Plugin Entry Point *****************/


enum plugin_status plugin_start(const void* parameter)
{
    /* now go ahead and have fun! */
    int ret = plugin_main(parameter);

    rb->remove_event(PLAYBACK_EVENT_START_PLAYBACK, playback_event_callback);
    return (ret==0) ? PLUGIN_OK : PLUGIN_ERROR;
}

static int voice_general_info(bool testing)
{
    unsigned char* infotemplate = gAnnounce.wps_fmt;

    if (gAnnounce.index >= rb->strlen(gAnnounce.wps_fmt))
        gAnnounce.index = 0;

    long current_tick = *rb->current_tick;

    if (*infotemplate == 0)
    {
    #if CONFIG_RTC
            /* announce the time */
            voice_info_group("D1Dt ", false);
    #else
            /* announce elapsed play for this track */
            voice_info_group("T1Te ", false);
    #endif
        return -1;
    }

    if (TIME_BEFORE(current_tick, gAnnounce.timeout))
    {
        return -2;
    }

    gAnnounce.timeout = current_tick + gAnnounce.interval * HZ;

    rb->talk_shutup();

    gAnnounce.count = 0;
    infotemplate = voice_info_group(&infotemplate[gAnnounce.index], testing);
    gAnnounce.index = (infotemplate - gAnnounce.wps_fmt) + 1;

    return 0;
}

static unsigned char* voice_info_group(unsigned char* current_token, bool testing)
{
    unsigned char current_char;
    bool skip_next_group = false;
    gAnnounce.count = 0;

    while (*current_token != 0)
    {
        //rb->splash(10, current_token);
        current_char = toupper(*current_token);
        if (current_char == 'D')
        {
            /*
                Date and time functions
            */
            current_token++;

            current_char = toupper(*current_token);

#if CONFIG_RTC
            struct tm *tm = rb->get_time();

            if (true) //(valid_time(tm))
            {
                if (current_char == 'T')
                {
                    rb->talk_time(tm, true);
                }
                else if (current_char == 'D')
                {
                    rb->talk_date(tm, true);
                }
                /* prefix suffix connectives */
                else if (current_char == '1')
                {
                    rb->talk_id(LANG_TIME, true);
                }
                else if (current_char == '2')
                {
                    rb->talk_id(LANG_DATE, true);
                }
            }
#endif
        }
        else if (current_char == 'R')
        {
            /*
                Sleep timer and runtime
            */
            int sleep_remaining = sleep_remaining = rb->get_sleep_timer();
            int runtime;

            current_token++;
            current_char = toupper(*current_token);
            if (current_char == 'T')
            {
                runtime = rb->global_status->runtime;
                rb->talk_value(runtime, UNIT_TIME, true);
            }
            /* prefix suffix connectives */
            else if (current_char == '1')
            {
                rb->talk_id(LANG_RUNNING_TIME, true);
            }
            else if (testing || sleep_remaining > 0)
            {
                if (current_char == 'S')
                {
                    rb->talk_value(sleep_remaining, UNIT_TIME, true);
                }
                /* prefix suffix connectives */
                else if (current_char == '2')
                {
                    rb->talk_id(LANG_SLEEP_TIMER, true);
                }
                else if (current_char == '3')
                {
                    rb->talk_id(LANG_REMAIN, true);
                }
            }
            else if (sleep_remaining == 0)
            {
                skip_next_group = true;
            }

        }
        else if (current_char == 'T')
        {
            /*
                Current track information
            */
            current_token++;

            current_char = toupper(*current_token);

            struct mp3entry* id3 = rb->audio_current_track();

            int elapsed_length = id3->elapsed / 1000;
            int track_length = id3->length / 1000;
            int track_remaining = track_length - elapsed_length;

            if (current_char == 'E')
            {
                rb->talk_value(elapsed_length, UNIT_TIME, true);
            }
            else if (current_char == 'L')
            {
                rb->talk_value(track_length, UNIT_TIME, true);
            }
            else if (current_char == 'R')
            {
                rb->talk_value(track_remaining, UNIT_TIME, true);
            }
            else if (current_char == 'T' && id3->title)
            {
                rb->talk_spell(id3->title, true);
            }
            else if (current_char == 'A' && id3->albumartist)
            {
                rb->talk_spell(id3->albumartist, true);
            }
            /* prefix suffix connectives */
            else if (current_char == '1')
            {
                rb->talk_id(LANG_ELAPSED, true);
            }
            else if (current_char == '2')
            {
                rb->talk_id(LANG_REMAIN, true);
            }
            else if (current_char == '3')
            {
                rb->talk_id(LANG_OF, true);
            }
        }
        else if (current_char == 'P')
        {
            /*
                Current playlist information
            */
            current_token++;

            current_char = toupper(*current_token);
            struct playlist_info *pl;
            int current_track = 0;
            int remaining_tracks = 0;
            int total_tracks = rb->playlist_amount();

            if (!isdigit(current_char)) {
                pl = rb->playlist_get_current();
                current_track = _playlist_get_display_index(pl);
                remaining_tracks = total_tracks - current_track;
            }

            if (total_tracks > 0 || testing)
            {
                if (current_char == 'C')
                {
                    rb->talk_number(current_track, true);
                }
                else if (current_char == 'N')
                {
                    rb->talk_number(total_tracks, true);
                }
                else if (current_char == 'R')
                {
                    rb->talk_number(remaining_tracks, true);
                }
                /* prefix suffix connectives */
                else if (current_char == '1')
                {
                    rb->talk_id(LANG_TRACK, true);
                }
                else if (current_char == '2')
                {
                    rb->talk_id(LANG_OF, true);
                }
            }
            else if (total_tracks == 0)
                skip_next_group = true;
        }
        else if (current_char == 'B')
        {
            /*
                Battery
            */
            current_token++;

            current_char = toupper(*current_token);

            if (current_char == 'P')
            {
                rb->talk_value(rb->battery_level(), UNIT_PERCENT, true);
            }
            else if (current_char == 'M')
            {
                rb->talk_value(rb->battery_time() * 60, UNIT_TIME, true);
            }
            /* prefix suffix connectives */
            else if (current_char == '1')
            {
                rb->talk_id(LANG_BATTERY_TIME, true);
            }
        }
        else if (current_char == ' ')
        {
            /*
                Catch your breath
            */
            rb->talk_id(VOICE_PAUSE, true);
        }
        else if (current_char == GROUPING_CHAR && gAnnounce.grouping > 0)
        {
            gAnnounce.count++;

            if (gAnnounce.count >= gAnnounce.grouping && !testing && !skip_next_group)
                break;

            skip_next_group = false;

        }
        current_token++;
    }

    return current_token;
}