summaryrefslogtreecommitdiffstats
path: root/apps/plugin.c
blob: 2b3b58a6549fcae38253d7cb479d8cc1b6a22f67 (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
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2002 Björn Stenberg
 *
 * 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.
 *
 ****************************************************************************/
#define DIRFUNCTIONS_DEFINED
#define FILEFUNCTIONS_DEFINED
#include "plugin.h"
#include "open_plugin.h"
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include "debug.h"
#include "i2c.h"
#include "lang.h"
#include "led.h"
#include "keyboard.h"
#include "backlight.h"
#include "sound_menu.h"
#include "mp3data.h"
#include "powermgmt.h"
#include "splash.h"
#include "logf.h"
#include "option_select.h"
#include "talk.h"
#include "version.h"
#include "storage.h"
#include "pcmbuf.h"
#include "errno.h"
#include "diacritic.h"
#include "pathfuncs.h"
#include "load_code.h"
#include "file.h"
#include "core_keymap.h"

#if CONFIG_CHARGING
#include "power.h"
#endif

#include "scrollbar.h"
#include "peakmeter.h"
#include "bmp.h"
#include "bidi.h"

#ifdef USB_ENABLE_HID
#include "usbstack/usb_hid.h"
#endif

#define WRAPPER(_x_) _x_ ## _wrapper

#if (CONFIG_PLATFORM & PLATFORM_HOSTED)
static unsigned char pluginbuf[PLUGIN_BUFFER_SIZE];
void sim_lcd_ex_init(unsigned long (*getpixel)(int, int));
void sim_lcd_ex_update_rect(int x, int y, int width, int height);
#else
extern unsigned char pluginbuf[];
#include "bitswap.h"
#endif

/* for actual plugins only, not for codecs */
static int  plugin_size = 0;
static bool (*pfn_tsr_exit)(bool reenter) = NULL; /* TSR exit callback */
static char current_plugin[MAX_PATH];
/* NULL if no plugin is loaded, otherwise the handle that lc_open() returned */
static void *current_plugin_handle;

char *plugin_get_current_filename(void);

static void* plugin_get_audio_buffer(size_t *buffer_size);
static void plugin_release_audio_buffer(void);
static void plugin_tsr(bool (*exit_callback)(bool));

#ifdef HAVE_PLUGIN_CHECK_OPEN_CLOSE
/* File handle leak prophylaxis */
#include "bitarray.h"
#include "file_internal.h" /* for MAX_OPEN_FILES */

#define PCOC_WRAPPER(_x_)   WRAPPER(_x_)

BITARRAY_TYPE_DECLARE(plugin_check_open_close_bitmap_t, open_files_bitmap,
                      MAX_OPEN_FILES)

static plugin_check_open_close_bitmap_t open_files_bitmap;

static void plugin_check_open_close__enter(void)
{
    if (!current_plugin_handle)
        open_files_bitmap_clear(&open_files_bitmap);
}

static void plugin_check_open_close__open(int fildes)
{
    if (fildes >= 0)
        open_files_bitmap_set_bit(&open_files_bitmap, fildes);
}

static void plugin_check_open_close__close(int fildes)
{
    if (fildes < 0)
        return;

    if (!open_files_bitmap_test_bit(&open_files_bitmap, fildes))
    {
        logf("double close from plugin");
    }

    open_files_bitmap_clear_bit(&open_files_bitmap, fildes);
}

static int WRAPPER(open)(const char *path, int oflag, ...)
{
    int fildes = FS_PREFIX(open)(path, oflag __OPEN_MODE_ARG);
    plugin_check_open_close__open(fildes);
    return fildes;
}

static int WRAPPER(creat)(const char *path, mode_t mode)
{
    int fildes = FS_PREFIX(creat)(path __CREAT_MODE_ARG);
    plugin_check_open_close__open(fildes);
    return fildes;
    (void)mode;
}

static int WRAPPER(close)(int fildes)
{
    int rc = FS_PREFIX(close)(fildes);
    if (rc >= 0)
        plugin_check_open_close__close(fildes);

    return rc;
}

static void plugin_check_open_close__exit(void)
{
    if (current_plugin_handle)
        return;

    if (open_files_bitmap_is_clear(&open_files_bitmap))
        return;

    logf("Plugin '%s' leaks file handles", current_plugin);

    static const char *lines[] =
        { ID2P(LANG_PLUGIN_ERROR), "#leak-file-handles" };
    static const struct text_message message = { lines, 2 };
    button_clear_queue(); /* Empty the keyboard buffer */
    gui_syncyesno_run(&message, NULL, NULL);

    FOR_EACH_BITARRAY_SET_BIT(&open_files_bitmap, fildes)
        WRAPPER(close)(fildes);
}

#else /* !HAVE_PLUGIN_CHECK_OPEN_CLOSE */

#define PCOC_WRAPPER(_x_) FS_PREFIX(_x_)
#define plugin_check_open_close__enter()
#define plugin_check_open_close__exit()

#endif /* HAVE_PLUGIN_CHECK_OPEN_CLOSE */

static const struct plugin_api rockbox_api = {
    rbversion,
    &global_settings,
    &global_status,
    language_strings,
    &core_bitmaps[0],
    /* lcd */
    splash,
    splashf,
#ifdef HAVE_LCD_CONTRAST
    lcd_set_contrast,
#endif
    lcd_update,
    lcd_clear_display,
    lcd_getstringsize,
    lcd_putsxy,
    lcd_putsxyf,
    lcd_puts,
    lcd_putsf,
    lcd_puts_scroll,
    lcd_scroll_stop,
    lcd_set_viewport,
    lcd_bmp_part,
    lcd_update_rect,
    lcd_set_drawmode,
    lcd_get_drawmode,
    screen_helper_setfont,
    lcd_drawpixel,
    lcd_drawline,
    lcd_hline,
    lcd_vline,
    lcd_drawrect,
    lcd_fillrect,
    lcd_mono_bitmap_part,
    lcd_mono_bitmap,
#if LCD_DEPTH > 1
    lcd_set_foreground,
    lcd_get_foreground,
    lcd_set_background,
    lcd_get_background,
    lcd_bitmap_part,
    lcd_bitmap,
    lcd_get_backdrop,
    lcd_set_backdrop,
#endif
#if LCD_DEPTH >= 16
    lcd_bitmap_transparent_part,
    lcd_bitmap_transparent,
#elif (LCD_DEPTH < 4) && (CONFIG_PLATFORM & PLATFORM_NATIVE)
    lcd_blit_mono,
    lcd_blit_grey_phase,
#endif /* LCD_DEPTH */
#if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
    lcd_blit_pal256,
    lcd_pal256_update_pal,
#endif
#ifdef HAVE_LCD_INVERT
    lcd_set_invert_display,
#endif /* HAVE_LCD_INVERT */
#if defined(HAVE_LCD_MODES)
    lcd_set_mode,
#endif
#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
    &button_queue,
#endif
    bidi_l2v,
    is_diacritic,
    font_get_bits,
    font_load,
    font_unload,
    font_get,
    font_getstringsize,
    font_get_width,
    screen_clear_area,
    gui_scrollbar_draw,
    get_codepage_name,

#ifdef HAVE_REMOTE_LCD
    /* remote lcd */
    lcd_remote_set_contrast,
    lcd_remote_clear_display,
    lcd_remote_puts,
    lcd_remote_puts_scroll,
    lcd_remote_scroll_stop,
    lcd_remote_set_drawmode,
    lcd_remote_get_drawmode,
    lcd_remote_setfont,
    lcd_remote_getstringsize,
    lcd_remote_drawpixel,
    lcd_remote_drawline,
    lcd_remote_hline,
    lcd_remote_vline,
    lcd_remote_drawrect,
    lcd_remote_fillrect,
    lcd_remote_mono_bitmap_part,
    lcd_remote_mono_bitmap,
    lcd_remote_putsxy,
    lcd_remote_update,
    lcd_remote_update_rect,
#if (LCD_REMOTE_DEPTH > 1)
    lcd_remote_set_foreground,
    lcd_remote_get_foreground,
    lcd_remote_set_background,
    lcd_remote_get_background,
    lcd_remote_bitmap_part,
    lcd_remote_bitmap,
#endif
#endif /* HAVE_REMOTE_LCD */
#if NB_SCREENS == 2
    {&screens[SCREEN_MAIN], &screens[SCREEN_REMOTE]},
#else
    {&screens[SCREEN_MAIN]},
#endif

    viewport_set_defaults,
    viewportmanager_theme_enable,
    viewportmanager_theme_undo,
    viewport_set_fullscreen,
    viewport_set_buffer,

#ifdef HAVE_BACKLIGHT
    /* lcd backlight */
    /* For OLED targets like the Sansa Clip, the backlight_* functions control
     * the display enable, which has essentially the same effect. */
    is_backlight_on,
    backlight_on,
    backlight_off,
    backlight_set_timeout,
#ifdef HAVE_BACKLIGHT_BRIGHTNESS
    backlight_set_brightness,
#endif /* HAVE_BACKLIGHT_BRIGHTNESS */

#if CONFIG_CHARGING
    backlight_set_timeout_plugged,
#endif

#ifdef HAVE_REMOTE_LCD
    remote_backlight_on,
    remote_backlight_off,
    remote_backlight_set_timeout,
#if CONFIG_CHARGING
    remote_backlight_set_timeout_plugged,
#endif
#endif /* HAVE_REMOTE_LCD */
#endif /* HAVE_BACKLIGHT */

    /* list */
    gui_synclist_init,
    gui_synclist_set_nb_items,
    gui_synclist_set_voice_callback,
    gui_synclist_set_icon_callback,
    gui_synclist_get_nb_items,
    gui_synclist_get_sel_pos,
    gui_synclist_draw,
    gui_synclist_speak_item,
    gui_synclist_select_item,
    gui_synclist_add_item,
    gui_synclist_del_item,
    gui_synclist_do_button,
    gui_synclist_set_title,
    gui_syncyesno_run,
    simplelist_info_init,
    simplelist_show_list,
    yesno_pop,

    /* action handling */
    get_custom_action,
    get_action,
#ifdef HAVE_TOUCHSCREEN
    action_get_touchscreen_press,
    action_get_touchscreen_press_in_vp,
#endif
    action_userabort,
    core_set_keyremap,

    /* button */
    button_get,
    button_get_w_tmo,
    button_status,
#ifdef HAVE_BUTTON_DATA
    button_get_data,
    button_status_wdata,
#endif
    button_clear_queue,
    button_queue_count,
#ifdef HAS_BUTTON_HOLD
    button_hold,
#endif
#ifdef HAVE_SW_POWEROFF
    button_set_sw_poweroff_state,
    button_get_sw_poweroff_state,
#endif
#ifdef HAVE_TOUCHSCREEN
    touchscreen_set_mode,
    touchscreen_get_mode,
#endif

#ifdef HAVE_BUTTON_LIGHT
    buttonlight_set_timeout,
    buttonlight_off,
    buttonlight_on,
#ifdef HAVE_BUTTONLIGHT_BRIGHTNESS
    buttonlight_set_brightness,
#endif /* HAVE_BUTTONLIGHT_BRIGHTNESS */
#endif /* HAVE_BUTTON_LIGHT */

    /* file */
    open_utf8,
    PCOC_WRAPPER(open),
    PCOC_WRAPPER(creat),
    PCOC_WRAPPER(close),
    FS_PREFIX(read),
    FS_PREFIX(lseek),
    FS_PREFIX(write),
    FS_PREFIX(remove),
    FS_PREFIX(rename),
    FS_PREFIX(ftruncate),
    FS_PREFIX(filesize),
    fdprintf,
    read_line,
    settings_parseline,
    storage_sleep,
    STORAGE_FUNCTION(spin),
    STORAGE_FUNCTION(spindown),
#if USING_STORAGE_CALLBACK
    register_storage_idle_func,
    unregister_storage_idle_func,
#endif /* USING_STORAGE_CALLBACK */
    reload_directory,
    create_numbered_filename,
    FS_PREFIX(file_exists),
    strip_extension,
    crc_32,
    crc_32r,
    filetype_get_attr,

    /* dir */
    FS_PREFIX(opendir),
    FS_PREFIX(closedir),
    FS_PREFIX(readdir),
    FS_PREFIX(mkdir),
    FS_PREFIX(rmdir),
    FS_PREFIX(dir_exists),
    dir_get_info,

    /* browsing */
    browse_context_init,
    rockbox_browse,
    tree_get_context,
    tree_get_entries,
    tree_get_entry_at,
    set_current_file,
    set_dirfilter,
    onplay_show_playlist_menu,
    browse_id3,

    /* talking */
    talk_id,
    talk_file,
    talk_file_or_spell,
    talk_dir_or_spell,
    talk_number,
    talk_value_decimal,
    talk_spell,
    talk_time,
    talk_date,
    talk_disable,
    talk_shutup,
    talk_force_shutup,
    talk_force_enqueue_next,

    /* kernel/ system */
#if defined(CPU_ARM) && CONFIG_PLATFORM & PLATFORM_NATIVE
    __div0,
#endif
    sleep,
    yield,
    &current_tick,
    default_event_handler,
    default_event_handler_ex,
    create_thread,
    thread_self,
    thread_exit,
    thread_wait,
    thread_thaw,
#ifdef HAVE_PRIORITY_SCHEDULING
    thread_set_priority,
#endif
    mutex_init,
    mutex_lock,
    mutex_unlock,
#ifdef HAVE_SEMAPHORE_OBJECTS
    semaphore_init,
    semaphore_wait,
    semaphore_release,
#endif
    reset_poweroff_timer,
    set_sleeptimer_duration, /*stub*/
    get_sleep_timer, /*stub*/
#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
    system_memory_guard,
    &cpu_frequency,

#ifdef HAVE_ADJUSTABLE_CPU_FREQ
#ifdef CPU_BOOST_LOGGING
    cpu_boost_,
#else
    cpu_boost,
#endif
#endif /* HAVE_ADJUSTABLE_CPU_FREQ */
#endif /* PLATFORM_NATIVE */
#ifdef HAVE_SCHEDULER_BOOSTCTRL
    trigger_cpu_boost,
    cancel_cpu_boost,
#endif

    commit_dcache,
    commit_discard_dcache,
    commit_discard_idcache,

    lc_open,
    lc_open_from_mem,
    lc_get_header,
    lc_close,

    timer_register,
    timer_unregister,
    timer_set_period,

    queue_init,
    queue_delete,
    queue_post,
    queue_wait_w_tmo,
    queue_enable_queue_send,
    queue_empty,
    queue_wait,
    queue_send,
    queue_reply,
    queue_remove_from_head,

#ifdef RB_PROFILE
    profile_thread,
    profstop,
    __cyg_profile_func_enter,
    __cyg_profile_func_exit,
#endif
    add_event,
    remove_event,
    send_event,

#if (CONFIG_PLATFORM & PLATFORM_HOSTED)
    /* special simulator hooks */
#if LCD_DEPTH < 8
    sim_lcd_ex_init,
    sim_lcd_ex_update_rect,
#endif
#endif

    /* strings and memory */
    snprintf,
    vsnprintf,
    strcpy,
    strlcpy,
    strlen,
    strrchr,
    strcmp,
    strncmp,
    strcasecmp,
    strncasecmp,
    memset,
    memcpy,
    memmove,
#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
    _ctype_,
#endif
    atoi,
    strchr,
    strcat,
    strlcat,
    memchr,
    memcmp,
    strcasestr,
    strtok_r,
    /* unicode stuff */
    utf8decode,
    iso_decode,
    utf16LEdecode,
    utf16BEdecode,
    utf8encode,
    utf8length,
    utf8seek,

    /* the buflib memory management library */
    buflib_init,
    buflib_available,
    buflib_alloc,
    buflib_alloc_ex,
    buflib_alloc_maximum,
    buflib_buffer_in,
    buflib_buffer_out,
    buflib_free,
    buflib_shrink,
    buflib_get_data,
    buflib_get_name,

    /* sound */
    sound_set,
    sound_current, /*stub*/
    sound_default,
    sound_min,
    sound_max,
    sound_unit,
    sound_val2phys,
#ifdef AUDIOHW_HAVE_EQ
    sound_enum_hw_eq_band_setting,
#endif
#if defined (HAVE_PITCHCONTROL)
    sound_get_pitch,
    sound_set_pitch,
#endif
    &audio_master_sampr_list[0],
    &hw_freq_sampr[0],
    pcm_apply_settings,
    pcm_play_data,
    pcm_play_stop,
    pcm_set_frequency,
    pcm_is_playing,
    pcm_play_lock,
    pcm_play_unlock,
    beep_play,
#ifdef HAVE_RECORDING
    &rec_freq_sampr[0],
    pcm_init_recording,
    pcm_close_recording,
    pcm_record_data,
    pcm_stop_recording,
    pcm_calculate_rec_peaks,
    audio_set_recording_gain,
#endif /* HAVE_RECORDING */
#if INPUT_SRC_CAPS != 0
    audio_set_output_source,
    audio_set_input_source,
#endif
    dsp_set_crossfeed_type ,
    dsp_eq_enable,
    dsp_dither_enable,
#ifdef HAVE_PITCHCONTROL
    dsp_get_timestretch,
    dsp_set_timestretch,
    dsp_timestretch_enable,
    dsp_timestretch_available,
#endif
    dsp_configure,
    dsp_get_config,
    dsp_process,

    mixer_channel_status,
    mixer_channel_get_buffer,
    mixer_channel_calculate_peaks,
    mixer_channel_play_data,
    mixer_channel_play_pause,
    mixer_channel_stop,
    mixer_channel_set_amplitude,
    mixer_channel_get_bytes_waiting,
    mixer_channel_set_buffer_hook,
    mixer_set_frequency,
    mixer_get_frequency,

    pcmbuf_fade,
    pcmbuf_set_low_latency,
    system_sound_play,
    keyclick_click,

    /* metadata */
    get_metadata,
    mp3info,
    count_mp3_frames,
    create_xing_header,
#ifdef HAVE_TAGCACHE
    tagcache_search,
    tagcache_search_set_uniqbuf,
    tagcache_search_add_filter,
    tagcache_get_next,
    tagcache_retrieve,
    tagcache_search_finish,
    tagcache_get_numeric,
#if defined(HAVE_TC_RAMCACHE) && defined(HAVE_DIRCACHE)
    tagcache_fill_tags,
#endif
    tagcache_get_stat,
#endif /* HAVE_TAGCACHE */

#ifdef HAVE_ALBUMART
    search_albumart_files,
#endif

    /* playback control */
    playlist_get_current,
    playlist_amount,
    playlist_resume,
    playlist_resume_track,
    playlist_start,
    playlist_add,
    playlist_sync,
    playlist_remove_all_tracks,
    playlist_create,
    playlist_insert_track,
    playlist_insert_directory,
    playlist_insert_playlist,
    playlist_shuffle,
    warn_on_pl_erase,
    audio_play,
    audio_stop,
    audio_pause,
    audio_resume,
    audio_next,
    audio_prev,
    audio_ff_rewind,
    audio_next_track,
    audio_status,
    audio_current_track,
    audio_flush_and_reload_tracks,
    audio_get_file_pos,
#ifdef PLUGIN_USE_IRAM
    audio_hard_stop,
#endif

    /* menu */
    root_menu_get_options,
    do_menu,
    root_menu_set_default,
    root_menu_write_to_cfg,
    root_menu_load_from_cfg,

    /* options */
    get_settings_list,
    find_setting,
    settings_save,
    option_screen,
    set_option,
    set_bool_options,
    set_int,
    set_int_ex,
    set_bool,
#ifdef HAVE_LCD_COLOR
    set_color,
#endif

    /* power */
    battery_level,
    battery_level_safe,
    battery_time,
    battery_voltage,
    battery_current,
#if CONFIG_CHARGING
    charger_inserted,
# if CONFIG_CHARGING >= CHARGING_MONITOR
    charging_state,
# endif
#endif
    /* usb */
    usb_inserted,
    usb_acknowledge,
#ifdef USB_ENABLE_HID
    usb_hid_send,
#endif
    /* misc */
#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
    __errno,
#endif
    led,
    srand,
    rand,
    (void *)qsort,
    kbd_input,
    get_time,
    gmtime_r,
#if CONFIG_RTC
    mktime,
#endif

#if defined(DEBUG) || defined(SIMULATOR)
    debugf,
#endif
#ifdef ROCKBOX_HAS_LOGF
    _logf,
#endif
    codec_thread_do_callback,
    codec_load_file,
    codec_run_proc,
    codec_close,
    get_codec_filename,
    find_array_ptr,
    remove_array_ptr,
    round_value_to_list32,

    read_bmp_file,
    read_bmp_fd,
#ifdef HAVE_JPEG
    read_jpeg_file,
    read_jpeg_fd,
#endif
    screen_dump_set_hook,
    show_logo,

#ifdef HAVE_WHEEL_POSITION
    wheel_status,
    wheel_send_events,
#endif

#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
    /* Routines for the iriver_flash -plugin. */
    detect_original_firmware,
    detect_flashed_ramimage,
    detect_flashed_romimage,
#endif

    /*plugin*/
    plugin_open,
    plugin_get_buffer,
    plugin_get_audio_buffer,     /* defined in plugin.c */
    plugin_release_audio_buffer, /* defined in plugin.c */
    plugin_tsr,                  /* defined in plugin.c */
    plugin_get_current_filename,
    plugin_reserve_buffer,

    /* reboot and poweroff */
    sys_poweroff,
    sys_reboot,

    /* pathfuncs */
#ifdef HAVE_MULTIVOLUME
    path_strip_volume,
#endif

    /* new stuff at the end, sort into place next time
       the API gets incompatible */
};

static int plugin_buffer_handle;
static size_t plugin_buffer_size;

int plugin_load(const char* plugin, const void* parameter)
{
    struct plugin_header *p_hdr;
    struct lc_header     *hdr;

    if (current_plugin_handle && pfn_tsr_exit)
    {    /* if we have a resident old plugin and a callback */
        if (pfn_tsr_exit(!strcmp(current_plugin, plugin)) == false )
        {
            /* not allowing another plugin to load */
            return PLUGIN_OK;
        }
        lc_close(current_plugin_handle);
        current_plugin_handle = pfn_tsr_exit = NULL;
        if (plugin_buffer_handle > 0)
            plugin_buffer_handle = core_free(plugin_buffer_handle);
    }

    splash(0, ID2P(LANG_WAIT));
    strcpy(current_plugin, plugin);

    current_plugin_handle = lc_open(plugin, pluginbuf, PLUGIN_BUFFER_SIZE);
    if (current_plugin_handle == NULL) {
        splashf(HZ*2, str(LANG_PLUGIN_CANT_OPEN), plugin);
        return -1;
    }

    p_hdr = lc_get_header(current_plugin_handle);

    hdr = p_hdr ? &p_hdr->lc_hdr : NULL;


    if (hdr == NULL
        || hdr->magic != PLUGIN_MAGIC
        || hdr->target_id != TARGET_ID
#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
        || hdr->load_addr != pluginbuf
        || hdr->end_addr > pluginbuf + PLUGIN_BUFFER_SIZE
#endif
        )
    {
        lc_close(current_plugin_handle);
        splash(HZ*2, ID2P(LANG_PLUGIN_WRONG_MODEL));
        return -1;
    }
    if (hdr->api_version > PLUGIN_API_VERSION
        || hdr->api_version < PLUGIN_MIN_API_VERSION)
    {
        lc_close(current_plugin_handle);
        splash(HZ*2, ID2P(LANG_PLUGIN_WRONG_VERSION));
        return -1;
    }
#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
    /* tlsf crashes observed on arm with 0x4 aligned addresses */
    plugin_size = ALIGN_UP(hdr->end_addr - pluginbuf, 0x8);
#else
    plugin_size = 0;
#endif

    *(p_hdr->api) = &rockbox_api;
    lcd_set_viewport(NULL);
    lcd_clear_display();
    lcd_update();

#ifdef HAVE_REMOTE_LCD
    lcd_remote_set_viewport(NULL);
    lcd_remote_clear_display();
    lcd_remote_update();
#endif
    push_current_activity(ACTIVITY_PLUGIN);
    /* some plugins assume the entry cache doesn't move and save pointers to it
     * they should be fixed properly instead of this lock */
    tree_lock_cache(tree_get_context());

    FOR_NB_SCREENS(i)
       viewportmanager_theme_enable(i, false, NULL);

#ifdef HAVE_TOUCHSCREEN
    touchscreen_set_mode(TOUCHSCREEN_BUTTON);
#endif

    /* allow voice to back off if the plugin needs lots of memory */
    if (!global_settings.talk_menu)
        talk_buffer_set_policy(TALK_BUFFER_LOOSE);

    plugin_check_open_close__enter();

    int rc = p_hdr->entry_point(parameter);

    tree_unlock_cache(tree_get_context());
    pop_current_activity();

    if (!pfn_tsr_exit)
    {   /* close handle if plugin is no tsr one */
        lc_close(current_plugin_handle);
        current_plugin_handle = NULL;
        if (plugin_buffer_handle > 0)
            plugin_buffer_handle = core_free(plugin_buffer_handle);
    }

    talk_buffer_set_policy(TALK_BUFFER_DEFAULT);

    /* Go back to the global setting in case the plugin changed it */
#ifdef HAVE_TOUCHSCREEN
    touchscreen_set_mode(global_settings.touch_mode);
#endif
    /* restore default vp */
    lcd_set_viewport(NULL);
    screen_helper_setfont(FONT_UI);
#if LCD_DEPTH > 1
#ifdef HAVE_LCD_COLOR
    lcd_set_drawinfo(DRMODE_SOLID, global_settings.fg_color,
                                   global_settings.bg_color);
#else
    lcd_set_drawinfo(DRMODE_SOLID, LCD_DEFAULT_FG, LCD_DEFAULT_BG);
#endif
#else /* LCD_DEPTH == 1 */
    lcd_set_drawmode(DRMODE_SOLID);
#endif /* LCD_DEPTH */

#ifdef HAVE_REMOTE_LCD
    lcd_remote_set_viewport(NULL);

#if LCD_REMOTE_DEPTH > 1
    lcd_remote_set_drawinfo(DRMODE_SOLID, LCD_REMOTE_DEFAULT_FG,
                            LCD_REMOTE_DEFAULT_BG);
#else
    lcd_remote_set_drawmode(DRMODE_SOLID);
#endif
#endif

    lcd_clear_display();
#ifdef HAVE_REMOTE_LCD
    lcd_remote_clear_display();
#endif

    FOR_NB_SCREENS(i)
        viewportmanager_theme_undo(i, true);

    plugin_check_open_close__exit();

    status_save();

    if (rc == PLUGIN_ERROR)
        splash(HZ*2, str(LANG_PLUGIN_ERROR));

    return rc;
}

/* For Terminate Stay Resident plugins
 * Locks buffer_size bytes of the plugin buffer
 * freed on plugin exit; call plugin_get_buffer first then reserve all
 * or a portion with plugin_reserve_buffer()
 * Returns size of buffer remaining */
size_t plugin_reserve_buffer(size_t buffer_size)
{
    size_t locked_size = 0;

    if (current_plugin_handle)
    {
        locked_size = ALIGN_UP(plugin_size + buffer_size, 0x8);
        if (locked_size > PLUGIN_BUFFER_SIZE)
            locked_size = PLUGIN_BUFFER_SIZE;

        plugin_size = locked_size;
    }

    return (PLUGIN_BUFFER_SIZE - locked_size);
}

/* Returns a pointer to the portion of the plugin buffer that is not already
   being used.  If no plugin is loaded, returns the entire plugin buffer */
void* plugin_get_buffer(size_t *buffer_size)
{
    int buffer_pos;

    if (current_plugin_handle)
    {
        if (plugin_size >= PLUGIN_BUFFER_SIZE)
            return NULL;

        *buffer_size = PLUGIN_BUFFER_SIZE-plugin_size;
        buffer_pos = plugin_size;
    }
    else
    {
        *buffer_size = PLUGIN_BUFFER_SIZE;
        buffer_pos = 0;
    }

    return &pluginbuf[buffer_pos];
}

/* Returns a pointer to the mp3 buffer.
   Playback gets stopped, to avoid conflicts.
   Talk buffer is stolen as well.
 */
static void* plugin_get_audio_buffer(size_t *buffer_size)
{
    if (plugin_buffer_handle <= 0)
    {
        plugin_buffer_handle = core_alloc_maximum("plugin audio buf",
                                                  &plugin_buffer_size,
                                                  &buflib_ops_locked);
    }

    if (buffer_size)
        *buffer_size = plugin_buffer_size;

    return core_get_data(plugin_buffer_handle);
}

static void plugin_release_audio_buffer(void)
{
    if (plugin_buffer_handle > 0)
    {
        plugin_buffer_handle = core_free(plugin_buffer_handle);
        plugin_buffer_size = 0;
    }
}

/* The plugin wants to stay resident after leaving its main function, e.g.
   runs from timer or own thread. The callback is registered to later
   instruct it to free its resources before a new plugin gets loaded. */
static void plugin_tsr(bool (*exit_callback)(bool))
{
    pfn_tsr_exit = exit_callback; /* remember the callback for later */
}

int plugin_open(const char *plugin, const char *parameter)
{
    open_plugin_add_path(ID2P(LANG_OPEN_PLUGIN), plugin, parameter);
    return PLUGIN_GOTO_PLUGIN;
}

char *plugin_get_current_filename(void)
{
    return current_plugin;
}