apps/gui/wps.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Jerome Kuptz
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <stdlib.h>
  24 #include "config.h"
  25
  26 #include "system.h"
  27 #include "file.h"
  28 #include "lcd.h"
  29 #include "font.h"
  30 #include "backlight.h"
  31 #include "action.h"
  32 #include "kernel.h"
  33 #include "filetypes.h"
  34 #include "debug.h"
  35 #include "sprintf.h"
  36 #include "settings.h"
  37 #include "skin_engine/skin_engine.h"
  38 #include "mp3_playback.h"
  39 #include "audio.h"
  40 #include "usb.h"
  41 #include "status.h"
  42 #include "storage.h"
  43 #include "screens.h"
  44 #include "playlist.h"
  45 #ifdef HAVE_LCD_BITMAP
  46 #include "icons.h"
  47 #include "peakmeter.h"
  48 #endif
  49 #include "lang.h"
  50 #include "bookmark.h"
  51 #include "misc.h"
  52 #include "sound.h"
  53 #include "onplay.h"
  54 #include "abrepeat.h"
  55 #include "playback.h"
  56 #include "splash.h"
  57 #include "cuesheet.h"
  58 #include "ata_idle_notify.h"
  59 #include "root_menu.h"
  60 #include "backdrop.h"
  61 #include "quickscreen.h"
  62 #include "pitchscreen.h"
  63 #include "appevents.h"
  64 #include "viewport.h"
  65 #include "pcmbuf.h"
  66 #include "option_select.h"
  67 #include "dsp.h"
  68 #include "playlist_viewer.h"
  69 #include "wps.h"
  70
  71 #define RESTORE_WPS_INSTANTLY       0l
  72 #define RESTORE_WPS_NEXT_SECOND     ((long)(HZ+current_tick))
  73 /* in milliseconds */
  74 #define DEFAULT_SKIP_TRESH          3000ul
  75
  76
  77 #define FF_REWIND_MAX_PERCENT 3 /* cap ff/rewind step size at max % of file */
  78                                 /* 3% of 30min file == 54s step size */
  79 #define MIN_FF_REWIND_STEP 500
  80
  81 static int wpsbars;
  82 /* currently only one wps_state is needed */
  83 static struct wps_state wps_state;
  84 static struct gui_wps gui_wps[NB_SCREENS];
  85 static struct wps_data wps_datas[NB_SCREENS];
  86
  87 /* initial setup of wps_data  */
  88 static void wps_state_init(void);
  89 static void track_changed_callback(void *param);
  90 static void nextid3available_callback(void* param);
  91
  92
  93 void wps_data_load(enum screen_type screen, const char *buf, bool isfile)
  94 {
  95     bool loaded_ok;
  96
  97     screens[screen].backdrop_unload(BACKDROP_SKIN_WPS);
  98
  99     loaded_ok = buf && skin_data_load(gui_wps[screen].data,
 100                                         &screens[screen], buf, isfile);
 101     if (!loaded_ok) /* load the hardcoded default */
 102     {
 103         char *skin_buf[NB_SCREENS] = {
 104 #ifdef HAVE_LCD_BITMAP
 105             "%s%?it<%?in<%in. |>%it|%fn>\n"
 106             "%s%?ia<%ia|%?d2<%d2|(root)>>\n"
 107             "%s%?id<%id|%?d1<%d1|(root)>> %?iy<(%iy)|>\n\n"
 108             "%al%pc/%pt%ar[%pp:%pe]\n"
 109             "%fbkBit %?fv<avg|> %?iv<(id3v%iv)|(no id3)>\n"
 110             "%pb\n%pm\n",
 111 #else
 112             "%s%pp/%pe: %?it<%it|%fn> - %?ia<%ia|%d2> - %?id<%id|%d1>\n"
 113             "%pc%?ps<*|/>%pt\n",
 114 #endif
 115 #ifdef HAVE_REMOTE_LCD
 116             "%s%?ia<%ia|%?d2<%d2|(root)>>\n"
 117             "%s%?it<%?in<%in. |>%it|%fn>\n"
 118             "%al%pc/%pt%ar[%pp:%pe]\n"
 119             "%fbkBit %?fv<avg|> %?iv<(id3v%iv)|(no id3)>\n"
 120             "%pb\n",
 121 #endif
 122         };
 123         skin_data_load(gui_wps[screen].data, &screens[screen],
 124                         skin_buf[screen], false);
 125     }
 126 #ifdef HAVE_REMOVE_LCD
 127     gui_wps[screen].data->remote_wps = !(screen == SCREEN_MAIN);
 128 #endif
 129 }
 130
 131 void wps_data_init(enum screen_type screen)
 132 {
 133     skin_data_init(gui_wps[screen].data);
 134 }
 135
 136
 137 static bool wps_fading_out = false;
 138 void fade(bool fade_in, bool updatewps)
 139 {
 140     int fp_global_vol = global_settings.volume << 8;
 141     int fp_min_vol = sound_min(SOUND_VOLUME) << 8;
 142     int fp_step = (fp_global_vol - fp_min_vol) / 30;
 143     int i;
 144     wps_fading_out = !fade_in;
 145     if (fade_in) {
 146         /* fade in */
 147         int fp_volume = fp_min_vol;
 148
 149         /* zero out the sound */
 150         sound_set_volume(fp_min_vol >> 8);
 151
 152         sleep(HZ/10); /* let audio thread run */
 153         audio_resume();
 154
 155         while (fp_volume < fp_global_vol - fp_step) {
 156             fp_volume += fp_step;
 157             sound_set_volume(fp_volume >> 8);
 158             if (updatewps)
 159             {
 160                 FOR_NB_SCREENS(i)
 161                     skin_update(&gui_wps[i], WPS_REFRESH_NON_STATIC);
 162             }
 163             sleep(1);
 164         }
 165         sound_set_volume(global_settings.volume);
 166     }
 167     else {
 168         /* fade out */
 169         int fp_volume = fp_global_vol;
 170
 171         while (fp_volume > fp_min_vol + fp_step) {
 172             fp_volume -= fp_step;
 173             sound_set_volume(fp_volume >> 8);
 174             if (updatewps)
 175             {
 176                 FOR_NB_SCREENS(i)
 177                     skin_update(&gui_wps[i], WPS_REFRESH_NON_STATIC);
 178             }
 179             sleep(1);
 180         }
 181         audio_pause();
 182         wps_fading_out = false;
 183 #if CONFIG_CODEC != SWCODEC
 184 #ifndef SIMULATOR
 185         /* let audio thread run and wait for the mas to run out of data */
 186         while (!mp3_pause_done())
 187 #endif
 188             sleep(HZ/10);
 189 #endif
 190
 191         /* reset volume to what it was before the fade */
 192         sound_set_volume(global_settings.volume);
 193     }
 194 }
 195 bool is_wps_fading(void)
 196 {
 197     return wps_fading_out;
 198 }
 199
 200 bool update_onvol_change(struct gui_wps * gwps)
 201 {
 202     skin_update(gwps, WPS_REFRESH_NON_STATIC);
 203
 204 #ifdef HAVE_LCD_CHARCELLS
 205     splashf(0, "Vol: %3d dB",
 206                sound_val2phys(SOUND_VOLUME, global_settings.volume));
 207     return true;
 208 #endif
 209     return false;
 210 }
 211
 212
 213 bool ffwd_rew(int button)
 214 {
 215     unsigned int step = 0;     /* current ff/rewind step */
 216     unsigned int max_step = 0; /* maximum ff/rewind step */
 217     int ff_rewind_count = 0;   /* current ff/rewind count (in ticks) */
 218     int direction = -1;         /* forward=1 or backward=-1 */
 219     bool exit = false;
 220     bool usb = false;
 221     int i = 0;
 222     const long ff_rw_accel = (global_settings.ff_rewind_accel + 3);
 223
 224     if (button == ACTION_NONE)
 225     {
 226         status_set_ffmode(0);
 227         return usb;
 228     }
 229     while (!exit)
 230     {
 231         switch ( button )
 232         {
 233             case ACTION_WPS_SEEKFWD:
 234                  direction = 1;
 235             case ACTION_WPS_SEEKBACK:
 236                 if (wps_state.ff_rewind)
 237                 {
 238                     if (direction == 1)
 239                     {
 240                         /* fast forwarding, calc max step relative to end */
 241                         max_step = (wps_state.id3->length -
 242                                     (wps_state.id3->elapsed +
 243                                      ff_rewind_count)) *
 244                                      FF_REWIND_MAX_PERCENT / 100;
 245                     }
 246                     else
 247                     {
 248                         /* rewinding, calc max step relative to start */
 249                         max_step = (wps_state.id3->elapsed + ff_rewind_count) *
 250                                     FF_REWIND_MAX_PERCENT / 100;
 251                     }
 252
 253                     max_step = MAX(max_step, MIN_FF_REWIND_STEP);
 254
 255                     if (step > max_step)
 256                         step = max_step;
 257
 258                     ff_rewind_count += step * direction;
 259
 260                     /* smooth seeking by multiplying step by: 1 + (2 ^ -accel) */
 261                     step += step >> ff_rw_accel;
 262                 }
 263                 else
 264                 {
 265                     if ( (audio_status() & AUDIO_STATUS_PLAY) &&
 266                           wps_state.id3 && wps_state.id3->length )
 267                     {
 268                         if (!wps_state.paused)
 269 #if (CONFIG_CODEC == SWCODEC)
 270                             audio_pre_ff_rewind();
 271 #else
 272                             audio_pause();
 273 #endif
 274 #if CONFIG_KEYPAD == PLAYER_PAD
 275                         FOR_NB_SCREENS(i)
 276                             gui_wps[i].display->stop_scroll();
 277 #endif
 278                         if (direction > 0)
 279                             status_set_ffmode(STATUS_FASTFORWARD);
 280                         else
 281                             status_set_ffmode(STATUS_FASTBACKWARD);
 282
 283                         wps_state.ff_rewind = true;
 284
 285                         step = 1000 * global_settings.ff_rewind_min_step;
 286                     }
 287                     else
 288                         break;
 289                 }
 290
 291                 if (direction > 0) {
 292                     if ((wps_state.id3->elapsed + ff_rewind_count) >
 293                         wps_state.id3->length)
 294                         ff_rewind_count = wps_state.id3->length -
 295                             wps_state.id3->elapsed;
 296                 }
 297                 else {
 298                     if ((int)(wps_state.id3->elapsed + ff_rewind_count) < 0)
 299                         ff_rewind_count = -wps_state.id3->elapsed;
 300                 }
 301
 302                 /* set the wps state ff_rewind_count so the progess info
 303                    displays corectly */
 304                 wps_state.ff_rewind_count = (wps_state.wps_time_countup == false)?
 305                                             ff_rewind_count:-ff_rewind_count;
 306                 FOR_NB_SCREENS(i)
 307                 {
 308                     skin_update(&gui_wps[i],
 309                                 WPS_REFRESH_PLAYER_PROGRESS |
 310                                 WPS_REFRESH_DYNAMIC);
 311                 }
 312
 313                 break;
 314
 315             case ACTION_WPS_STOPSEEK:
 316                 wps_state.id3->elapsed = wps_state.id3->elapsed+ff_rewind_count;
 317                 audio_ff_rewind(wps_state.id3->elapsed);
 318                 wps_state.ff_rewind_count = 0;
 319                 wps_state.ff_rewind = false;
 320                 status_set_ffmode(0);
 321 #if (CONFIG_CODEC != SWCODEC)
 322                 if (!wps_state.paused)
 323                     audio_resume();
 324 #endif
 325 #ifdef HAVE_LCD_CHARCELLS
 326                 FOR_NB_SCREENS(i)
 327                     skin_update(&gui_wps[i], WPS_REFRESH_ALL);
 328 #endif
 329                 exit = true;
 330                 break;
 331
 332             default:
 333                 if(default_event_handler(button) == SYS_USB_CONNECTED) {
 334                     status_set_ffmode(0);
 335                     usb = true;
 336                     exit = true;
 337                 }
 338                 break;
 339         }
 340         if (!exit)
 341         {
 342             button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,TIMEOUT_BLOCK);
 343 #ifdef HAVE_TOUCHSCREEN
 344             if (button == ACTION_TOUCHSCREEN)
 345                 button = wps_get_touchaction(gui_wps[SCREEN_MAIN].data);
 346 #endif
 347         }
 348     }
 349     return usb;
 350 }
 351
 352
 353 void display_keylock_text(bool locked)
 354 {
 355     int i;
 356     FOR_NB_SCREENS(i)
 357         gui_wps[i].display->stop_scroll();
 358
 359     splash(HZ, locked ? ID2P(LANG_KEYLOCK_ON) : ID2P(LANG_KEYLOCK_OFF));
 360 }
 361
 362
 363
 364
 365 #if defined(HAVE_BACKLIGHT) || defined(HAVE_REMOTE_LCD)
 366 static void gwps_caption_backlight(struct wps_state *state)
 367 {
 368     if (state && state->id3)
 369     {
 370 #ifdef HAVE_BACKLIGHT
 371         if (global_settings.caption_backlight)
 372         {
 373             /* turn on backlight n seconds before track ends, and turn it off n
 374                seconds into the new track. n == backlight_timeout, or 5s */
 375             int n = global_settings.backlight_timeout * 1000;
 376
 377             if ( n < 1000 )
 378                 n = 5000; /* use 5s if backlight is always on or off */
 379
 380             if (((state->id3->elapsed < 1000) ||
 381                  ((state->id3->length - state->id3->elapsed) < (unsigned)n)) &&
 382                 (state->paused == false))
 383                 backlight_on();
 384         }
 385 #endif
 386 #ifdef HAVE_REMOTE_LCD
 387         if (global_settings.remote_caption_backlight)
 388         {
 389             /* turn on remote backlight n seconds before track ends, and turn it
 390                off n seconds into the new track. n == remote_backlight_timeout,
 391                or 5s */
 392             int n = global_settings.remote_backlight_timeout * 1000;
 393
 394             if ( n < 1000 )
 395                 n = 5000; /* use 5s if backlight is always on or off */
 396
 397             if (((state->id3->elapsed < 1000) ||
 398                  ((state->id3->length - state->id3->elapsed) < (unsigned)n)) &&
 399                 (state->paused == false))
 400                 remote_backlight_on();
 401         }
 402 #endif
 403     }
 404 }
 405 #endif
 406
 407
 408 static void change_dir(int direction)
 409 {
 410     if (global_settings.prevent_skip)
 411         return;
 412
 413     if (direction < 0)
 414         audio_prev_dir();
 415     else if (direction > 0)
 416         audio_next_dir();
 417     /* prevent the next dir to immediatly start being ffw'd */
 418     action_wait_for_release();
 419 }
 420
 421 static void prev_track(unsigned long skip_thresh)
 422 {
 423     if (wps_state.id3->elapsed < skip_thresh)
 424     {
 425         audio_prev();
 426         return;
 427     }
 428     else
 429     {
 430         if (wps_state.id3->cuesheet)
 431         {
 432             curr_cuesheet_skip(wps_state.id3->cuesheet, -1, wps_state.id3->elapsed);
 433             return;
 434         }
 435
 436         if (!wps_state.paused)
 437 #if (CONFIG_CODEC == SWCODEC)
 438             audio_pre_ff_rewind();
 439 #else
 440         audio_pause();
 441 #endif
 442
 443         audio_ff_rewind(0);
 444
 445 #if (CONFIG_CODEC != SWCODEC)
 446         if (!wps_state.paused)
 447             audio_resume();
 448 #endif
 449     }
 450 }
 451
 452 static void next_track(void)
 453 {
 454     /* take care of if we're playing a cuesheet */
 455     if (wps_state.id3->cuesheet)
 456     {
 457         if (curr_cuesheet_skip(wps_state.id3->cuesheet, 1, wps_state.id3->elapsed))
 458         {
 459             /* if the result was false, then we really want
 460                to skip to the next track */
 461             return;
 462         }
 463     }
 464
 465     audio_next();
 466 }
 467
 468 static void play_hop(int direction)
 469 {
 470     unsigned long step = ((unsigned long)global_settings.skip_length)*1000;
 471     unsigned long elapsed = wps_state.id3->elapsed;
 472     unsigned long remaining = wps_state.id3->length - elapsed;
 473
 474     if (!global_settings.prevent_skip &&
 475            (!step ||
 476             (direction > 0 && step >= remaining) ||
 477             (direction < 0 && elapsed < DEFAULT_SKIP_TRESH)))
 478     {   /* Do normal track skipping */
 479         if (direction > 0)
 480             next_track();
 481         else if (direction < 0)
 482             prev_track(DEFAULT_SKIP_TRESH);
 483         return;
 484     }
 485
 486     if (direction == 1 && step >= remaining)
 487     {
 488 #if CONFIG_CODEC == SWCODEC
 489         if(global_settings.beep)
 490             pcmbuf_beep(1000, 150, 1500*global_settings.beep);
 491 #endif
 492         return;
 493     }
 494     else if ((direction == -1 && elapsed < step))
 495     {
 496         elapsed = 0;
 497     }
 498     else
 499     {
 500         elapsed += step * direction;
 501     }
 502     if((audio_status() & AUDIO_STATUS_PLAY) && !wps_state.paused)
 503     {
 504 #if (CONFIG_CODEC == SWCODEC)
 505         audio_pre_ff_rewind();
 506 #else
 507         audio_pause();
 508 #endif
 509     }
 510     audio_ff_rewind(wps_state.id3->elapsed = elapsed);
 511 #if (CONFIG_CODEC != SWCODEC)
 512     if (!wps_state.paused)
 513         audio_resume();
 514 #endif
 515 }
 516
 517 static void gwps_fix_statusbars(void)
 518 {
 519 #ifdef HAVE_LCD_BITMAP
 520     int i;
 521     wpsbars = VP_SB_HIDE_ALL;
 522     FOR_NB_SCREENS(i)
 523     {
 524         bool draw = false;
 525         if (gui_wps[i].data->wps_sb_tag)
 526             draw = gui_wps[i].data->show_sb_on_wps;
 527         else if (statusbar_position(i) != STATUSBAR_OFF)
 528             draw = true;
 529         if (draw)
 530             wpsbars |= (VP_SB_ONSCREEN(i) | VP_SB_IGNORE_SETTING(i));
 531     }
 532 #else
 533     wpsbars = VP_SB_ALLSCREENS;
 534 #endif
 535 }
 536
 537 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
 538 /*
 539  * If the user is unable to see the wps, because the display is deactivated,
 540  * we suppress updates until the wps is activated again (the lcd driver will
 541  * call this hook to issue an instant update)
 542  * */
 543 static void wps_lcd_activation_hook(void)
 544 {
 545     wps_state.do_full_update = true;
 546     /* force timeout in wps main loop, so that the update is instantly */
 547     queue_post(&button_queue, BUTTON_NONE, 0);
 548 }
 549 #endif
 550
 551 static void gwps_leave_wps(void)
 552 {
 553     int i, oldbars = VP_SB_HIDE_ALL;
 554
 555     FOR_NB_SCREENS(i)
 556     {
 557         gui_wps[i].display->stop_scroll();
 558         gui_wps[i].display->backdrop_show(BACKDROP_MAIN);
 559     }
 560     if (global_settings.statusbar)
 561         oldbars = VP_SB_ALLSCREENS;
 562
 563     viewportmanager_set_statusbar(oldbars);
 564 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
 565     /* Play safe and unregister the hook */
 566     lcd_activation_set_hook(NULL);
 567 #endif
 568 }
 569
 570 void gwps_draw_statusbars(void)
 571 {
 572     viewportmanager_set_statusbar(wpsbars);
 573 }
 574 #ifdef HAVE_TOUCHSCREEN
 575 int wps_get_touchaction(struct wps_data *data)
 576 {
 577     short x,y;
 578     short vx, vy;
 579     int type = action_get_touchscreen_press(&x, &y);
 580     int i;
 581     static int last_action = ACTION_NONE;
 582     struct touchregion *r;
 583     bool repeated = (type == BUTTON_REPEAT);
 584     bool released = (type == BUTTON_REL);
 585     for (i=0; i<data->touchregion_count; i++)
 586     {
 587         r = &data->touchregion[i];
 588         /* make sure this region's viewport is visible */
 589         if (r->wvp->hidden_flags&VP_DRAW_HIDDEN)
 590             continue;
 591         /* reposition the touch inside the viewport */
 592         vx = x - r->wvp->vp.x;
 593         vy = y - r->wvp->vp.y;
 594         /* check if it's inside this viewport */
 595         if (vx >= 0 && vx < r->wvp->vp.x + r->wvp->vp.width &&
 596             vy >= 0 && vy < r->wvp->vp.y + r->wvp->vp.height)
 597         {
 598             /* now see if the point is inside this region */
 599             if (vx >= r->x && vx < r->x+r->width &&
 600                 vy >= r->y && vy < r->y+r->height)
 601             {
 602                 if ((repeated && r->repeat) ||
 603                     (released && !r->repeat))
 604                 {
 605                     last_action = r->action;
 606                     return r->action;
 607                 }
 608             }
 609         }
 610     }
 611     if ((last_action == ACTION_WPS_SEEKBACK || last_action == ACTION_WPS_SEEKFWD))
 612         return ACTION_WPS_STOPSEEK;
 613     last_action = ACTION_TOUCHSCREEN;
 614     return ACTION_TOUCHSCREEN;
 615 }
 616 #endif
 617 /* The WPS can be left in two ways:
 618  *      a)  call a function, which draws over the wps. In this case, the wps
 619  *          will be still active (i.e. the below function didn't return)
 620  *      b)  return with a value evaluated by root_menu.c, in this case the wps
 621  *          is really left, and root_menu will handle the next screen
 622  *
 623  * In either way, call gwps_leave_wps(), in order to restore the correct
 624  * "main screen" backdrops and statusbars
 625  */
 626 long gui_wps_show(void)
 627 {
 628     long button = 0;
 629     bool restore = true;
 630     long restoretimer = RESTORE_WPS_INSTANTLY; /* timer to delay screen redraw temporarily */
 631     bool exit = false;
 632     bool bookmark = false;
 633     bool update = false;
 634     int i;
 635     long last_left = 0, last_right = 0;
 636
 637 #ifdef HAVE_LCD_CHARCELLS
 638     status_set_audio(true);
 639     status_set_param(false);
 640 #endif
 641
 642 #ifdef AB_REPEAT_ENABLE
 643     ab_repeat_init();
 644     ab_reset_markers();
 645 #endif
 646     wps_state_init();
 647
 648     while ( 1 )
 649     {
 650         bool audio_paused = (audio_status() & AUDIO_STATUS_PAUSE)?true:false;
 651
 652         /* did someone else (i.e power thread) change audio pause mode? */
 653         if (wps_state.paused != audio_paused) {
 654             wps_state.paused = audio_paused;
 655
 656             /* if another thread paused audio, we are probably in car mode,
 657                about to shut down. lets save the settings. */
 658             if (wps_state.paused) {
 659                 settings_save();
 660 #if !defined(HAVE_RTC_RAM) && !defined(HAVE_SW_POWEROFF)
 661                 call_storage_idle_notifys(true);
 662 #endif
 663             }
 664         }
 665
 666 #ifdef HAVE_LCD_BITMAP
 667         /* when the peak meter is enabled we want to have a
 668             few extra updates to make it look smooth. On the
 669             other hand we don't want to waste energy if it
 670             isn't displayed */
 671         bool pm=false;
 672         FOR_NB_SCREENS(i)
 673         {
 674            if(gui_wps[i].data->peak_meter_enabled)
 675                pm = true;
 676         }
 677
 678         if (pm) {
 679             long next_refresh = current_tick;
 680             long next_big_refresh = current_tick + HZ / 5;
 681             button = BUTTON_NONE;
 682             while (TIME_BEFORE(current_tick, next_big_refresh)) {
 683                 button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,TIMEOUT_NOBLOCK);
 684                 if (button != ACTION_NONE) {
 685                     break;
 686                 }
 687                 peak_meter_peek();
 688                 sleep(0);   /* Sleep until end of current tick. */
 689
 690                 if (TIME_AFTER(current_tick, next_refresh)) {
 691                     FOR_NB_SCREENS(i)
 692                     {
 693                         if(gui_wps[i].data->peak_meter_enabled)
 694                             skin_update(&gui_wps[i], WPS_REFRESH_PEAK_METER);
 695                         next_refresh += HZ / PEAK_METER_FPS;
 696                     }
 697                 }
 698             }
 699
 700         }
 701
 702         /* The peak meter is disabled
 703            -> no additional screen updates needed */
 704         else
 705 #endif
 706         {
 707             button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,
 708                 restore ? HZ/100 : HZ/5);
 709         }
 710
 711         /* Exit if audio has stopped playing. This happens e.g. at end of
 712            playlist or if using the sleep timer. */
 713         if (!(audio_status() & AUDIO_STATUS_PLAY))
 714             exit = true;
 715 #ifdef HAVE_TOUCHSCREEN
 716         if (button == ACTION_TOUCHSCREEN)
 717             button = wps_get_touchaction(gui_wps[SCREEN_MAIN].data);
 718 #endif
 719 /* The iPods/X5/M5 use a single button for the A-B mode markers,
 720    defined as ACTION_WPSAB_SINGLE in their config files. */
 721 #ifdef ACTION_WPSAB_SINGLE
 722         if (!global_settings.party_mode && ab_repeat_mode_enabled())
 723         {
 724             static int wps_ab_state = 0;
 725             if (button == ACTION_WPSAB_SINGLE)
 726             {
 727                 switch (wps_ab_state)
 728                 {
 729                     case 0: /* set the A spot */
 730                         button = ACTION_WPS_ABSETA_PREVDIR;
 731                         break;
 732                     case 1: /* set the B spot */
 733                         button = ACTION_WPS_ABSETB_NEXTDIR;
 734                         break;
 735                     case 2:
 736                         button = ACTION_WPS_ABRESET;
 737                         break;
 738                 }
 739                 wps_ab_state = (wps_ab_state+1) % 3;
 740             }
 741         }
 742 #endif
 743         switch(button)
 744         {
 745             case ACTION_WPS_CONTEXT:
 746             {
 747                 gwps_leave_wps();
 748                 /* if music is stopped in the context menu we want to exit the wps */
 749                 if (onplay(wps_state.id3->path,
 750                            FILE_ATTR_AUDIO, CONTEXT_WPS) == ONPLAY_MAINMENU
 751                     || !audio_status())
 752                     return GO_TO_ROOT;
 753                 restore = true;
 754             }
 755             break;
 756
 757             case ACTION_WPS_BROWSE:
 758 #ifdef HAVE_LCD_CHARCELLS
 759                 status_set_record(false);
 760                 status_set_audio(false);
 761 #endif
 762                 gwps_leave_wps();
 763                 return GO_TO_PREVIOUS_BROWSER;
 764                 break;
 765
 766                 /* play/pause */
 767             case ACTION_WPS_PLAY:
 768                 if (global_settings.party_mode)
 769                     break;
 770                 if ( wps_state.paused )
 771                 {
 772                     wps_state.paused = false;
 773                     if ( global_settings.fade_on_stop )
 774                         fade(true, true);
 775                     else
 776                         audio_resume();
 777                 }
 778                 else
 779                 {
 780                     wps_state.paused = true;
 781                     if ( global_settings.fade_on_stop )
 782                         fade(false, true);
 783                     else
 784                         audio_pause();
 785                     settings_save();
 786 #if !defined(HAVE_RTC_RAM) && !defined(HAVE_SW_POWEROFF)
 787                     call_storage_idle_notifys(true);   /* make sure resume info is saved */
 788 #endif
 789                 }
 790                 break;
 791
 792             case ACTION_WPS_VOLUP:
 793             {
 794                 FOR_NB_SCREENS(i)
 795                     gui_wps[i].data->button_time_volume = current_tick;
 796                 global_settings.volume++;
 797                 bool res = false;
 798                 setvol();
 799                 FOR_NB_SCREENS(i)
 800                 {
 801                     if(update_onvol_change(&gui_wps[i]))
 802                         res = true;
 803                 }
 804                 if (res) {
 805                     restore = true;
 806                     restoretimer = RESTORE_WPS_NEXT_SECOND;
 807                 }
 808             }
 809             break;
 810             case ACTION_WPS_VOLDOWN:
 811             {
 812                 FOR_NB_SCREENS(i)
 813                     gui_wps[i].data->button_time_volume = current_tick;
 814                 global_settings.volume--;
 815                 setvol();
 816                 bool res = false;
 817                 FOR_NB_SCREENS(i)
 818                 {
 819                     if(update_onvol_change(&gui_wps[i]))
 820                         res = true;
 821                 }
 822                 if (res) {
 823                     restore = true;
 824                     restoretimer = RESTORE_WPS_NEXT_SECOND;
 825                 }
 826             }
 827                 break;
 828             /* fast forward
 829                 OR next dir if this is straight after ACTION_WPS_SKIPNEXT */
 830             case ACTION_WPS_SEEKFWD:
 831                 if (global_settings.party_mode)
 832                     break;
 833                 if (current_tick -last_right < HZ)
 834                 {
 835                     if (wps_state.id3->cuesheet)
 836                     {
 837                         audio_next();
 838                     }
 839                     else
 840                     {
 841                         change_dir(1);
 842                     }
 843                 }
 844                 else
 845                     ffwd_rew(ACTION_WPS_SEEKFWD);
 846                 last_right = last_left = 0;
 847                 break;
 848             /* fast rewind
 849                 OR prev dir if this is straight after ACTION_WPS_SKIPPREV,*/
 850             case ACTION_WPS_SEEKBACK:
 851                 if (global_settings.party_mode)
 852                     break;
 853                 if (current_tick -last_left < HZ)
 854                 {
 855                     if (wps_state.id3->cuesheet)
 856                     {
 857                         if (!wps_state.paused)
 858 #if (CONFIG_CODEC == SWCODEC)
 859                             audio_pre_ff_rewind();
 860 #else
 861                             audio_pause();
 862 #endif
 863                         audio_ff_rewind(0);
 864                     }
 865                     else
 866                     {
 867                         change_dir(-1);
 868                     }
 869                 }
 870                 else
 871                     ffwd_rew(ACTION_WPS_SEEKBACK);
 872                 last_left = last_right = 0;
 873                 break;
 874
 875                 /* prev / restart */
 876             case ACTION_WPS_SKIPPREV:
 877                 if (global_settings.party_mode)
 878                     break;
 879                 last_left = current_tick;
 880 #ifdef AB_REPEAT_ENABLE
 881                 /* if we're in A/B repeat mode and the current position
 882                    is past the A marker, jump back to the A marker... */
 883                 if ( ab_repeat_mode_enabled() )
 884                 {
 885                     if ( ab_after_A_marker(wps_state.id3->elapsed) )
 886                     {
 887                         ab_jump_to_A_marker();
 888                         break;
 889 #if (AB_REPEAT_ENABLE == 2)
 890                     } else {
 891                         ab_reset_markers();
 892 #endif
 893                     }
 894                 }
 895                 else
 896                 /* ...otherwise, do it normally */
 897 #endif
 898                     play_hop(-1);
 899                 break;
 900
 901                 /* next
 902                    OR if skip length set, hop by predetermined amount. */
 903             case ACTION_WPS_SKIPNEXT:
 904                 if (global_settings.party_mode)
 905                     break;
 906                 last_right = current_tick;
 907 #ifdef AB_REPEAT_ENABLE
 908                 /* if we're in A/B repeat mode and the current position is
 909                    before the A marker, jump to the A marker... */
 910                 if ( ab_repeat_mode_enabled() )
 911                 {
 912                     if ( ab_before_A_marker(wps_state.id3->elapsed) )
 913                     {
 914                         ab_jump_to_A_marker();
 915                         break;
 916 #if (AB_REPEAT_ENABLE == 2)
 917                     } else {
 918                         ab_reset_markers();
 919 #endif
 920                     }
 921                 }
 922                 else
 923                 /* ...otherwise, do it normally */
 924 #endif
 925                     play_hop(1);
 926                 break;
 927                 /* next / prev directories */
 928                 /* and set A-B markers if in a-b mode */
 929             case ACTION_WPS_ABSETB_NEXTDIR:
 930                 if (global_settings.party_mode)
 931                     break;
 932 #if defined(AB_REPEAT_ENABLE)
 933                 if (ab_repeat_mode_enabled())
 934                 {
 935                     ab_set_B_marker(wps_state.id3->elapsed);
 936                     ab_jump_to_A_marker();
 937                 }
 938                 else
 939 #endif
 940                 {
 941                     change_dir(1);
 942                 }
 943                 break;
 944             case ACTION_WPS_ABSETA_PREVDIR:
 945                 if (global_settings.party_mode)
 946                     break;
 947 #if defined(AB_REPEAT_ENABLE)
 948                 if (ab_repeat_mode_enabled())
 949                     ab_set_A_marker(wps_state.id3->elapsed);
 950                 else
 951 #endif
 952                 {
 953                     change_dir(-1);
 954                 }
 955                 break;
 956             /* menu key functions */
 957             case ACTION_WPS_MENU:
 958                 gwps_leave_wps();
 959                 return GO_TO_ROOT;
 960                 break;
 961
 962
 963 #ifdef HAVE_QUICKSCREEN
 964             case ACTION_WPS_QUICKSCREEN:
 965             {
 966                 gwps_leave_wps();
 967                 if (quick_screen_quick(button))
 968                     return SYS_USB_CONNECTED;
 969                 restore = true;
 970             }
 971             break;
 972 #endif /* HAVE_QUICKSCREEN */
 973
 974                 /* screen settings */
 975 #ifdef BUTTON_F3
 976             case ACTION_F3:
 977             {
 978                 gwps_leave_wps();
 979                 if (quick_screen_f3(BUTTON_F3))
 980                     return SYS_USB_CONNECTED;
 981                 restore = true;
 982             }
 983             break;
 984 #endif /* BUTTON_F3 */
 985
 986                 /* pitch screen */
 987 #ifdef HAVE_PITCHSCREEN
 988             case ACTION_WPS_PITCHSCREEN:
 989             {
 990                 gwps_leave_wps();
 991                 if (1 == gui_syncpitchscreen_run())
 992                     return SYS_USB_CONNECTED;
 993                 restore = true;
 994             }
 995             break;
 996 #endif /* HAVE_PITCHSCREEN */
 997
 998 #ifdef AB_REPEAT_ENABLE
 999             /* reset A&B markers */
1000             case ACTION_WPS_ABRESET:
1001                 if (ab_repeat_mode_enabled())
1002                 {
1003                     ab_reset_markers();
1004                     update = true;
1005                 }
1006                 break;
1007 #endif /* AB_REPEAT_ENABLE */
1008
1009                 /* stop and exit wps */
1010             case ACTION_WPS_STOP:
1011                 if (global_settings.party_mode)
1012                     break;
1013                 bookmark = true;
1014                 exit = true;
1015                 break;
1016
1017             case ACTION_WPS_ID3SCREEN:
1018             {
1019                 gwps_leave_wps();
1020                 browse_id3();
1021                 restore = true;
1022             }
1023             break;
1024 #ifdef HAVE_TOUCHSCREEN
1025             case ACTION_TOUCH_SHUFFLE: /* toggle shuffle mode */
1026             {
1027                 global_settings.playlist_shuffle =
1028                                                 !global_settings.playlist_shuffle;
1029 #if CONFIG_CODEC == SWCODEC
1030                 dsp_set_replaygain();
1031 #endif
1032                 if (global_settings.playlist_shuffle)
1033                     playlist_randomise(NULL, current_tick, true);
1034                 else
1035                     playlist_sort(NULL, true);
1036             }
1037             break;
1038             case ACTION_TOUCH_REPMODE: /* cycle the repeat mode setting */
1039             {
1040                 const struct settings_list *rep_setting =
1041                                 find_setting(&global_settings.repeat_mode, NULL);
1042                 option_select_next_val(rep_setting, false, true);
1043                 audio_flush_and_reload_tracks();
1044             }
1045             break;
1046 #endif /* HAVE_TOUCHSCREEN */
1047              /* this case is used by the softlock feature
1048               * it requests a full update here */
1049             case ACTION_REDRAW:
1050                 wps_state.do_full_update = true;
1051                 break;
1052             case ACTION_NONE: /* Timeout, do a partial update */
1053                 update = true;
1054                 ffwd_rew(button); /* hopefully fix the ffw/rwd bug */
1055                 break;
1056 #ifdef HAVE_RECORDING
1057             case ACTION_WPS_REC:
1058                 exit = true;
1059                 break;
1060 #endif
1061             case SYS_POWEROFF:
1062                 default_event_handler(SYS_POWEROFF);
1063                 break;
1064             case ACTION_WPS_VIEW_PLAYLIST:
1065                 gwps_leave_wps();
1066                 if (playlist_viewer()) /* true if USB connected */
1067                     return SYS_USB_CONNECTED;
1068                 restore = true;
1069                 break;
1070             default:
1071                 if(default_event_handler(button) == SYS_USB_CONNECTED)
1072                     return GO_TO_ROOT;
1073                 update = true;
1074                 break;
1075         }
1076
1077         if (wps_state.do_full_update || update)
1078         {
1079 #if defined(HAVE_BACKLIGHT) || defined(HAVE_REMOTE_LCD)
1080             gwps_caption_backlight(&wps_state);
1081 #endif
1082             FOR_NB_SCREENS(i)
1083             {
1084 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
1085                 if (lcd_active()
1086 #ifdef HAVE_REMOTE_LCD
1087                 /* currently, all remotes are readable without backlight
1088                  * so still update those */
1089                             || (i == SCREEN_REMOTE)
1090 #endif
1091                                                 )
1092 #endif
1093                 {
1094                     skin_update(&gui_wps[i], WPS_REFRESH_NON_STATIC);
1095                 }
1096             }
1097             wps_state.do_full_update = false;
1098             update = false;
1099         }
1100
1101         if (restore && wps_state.id3 &&
1102             ((restoretimer == RESTORE_WPS_INSTANTLY) ||
1103              TIME_AFTER(current_tick, restoretimer)))
1104         {
1105             restore = false;
1106             restoretimer = RESTORE_WPS_INSTANTLY;
1107             gwps_fix_statusbars();
1108 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
1109             lcd_activation_set_hook(wps_lcd_activation_hook);
1110 #endif
1111             FOR_NB_SCREENS(i)
1112             {
1113                 screens[i].stop_scroll();
1114                 gui_wps_display(&gui_wps[i]);
1115             }
1116         }
1117
1118         if (exit) {
1119 #ifdef HAVE_LCD_CHARCELLS
1120             status_set_record(false);
1121             status_set_audio(false);
1122 #endif
1123             if (global_settings.fade_on_stop)
1124                 fade(false, true);
1125
1126             if (bookmark)
1127                 bookmark_autobookmark();
1128             audio_stop();
1129 #ifdef AB_REPEAT_ENABLE
1130             ab_reset_markers();
1131 #endif
1132             gwps_leave_wps();
1133 #ifdef HAVE_RECORDING
1134             if (button == ACTION_WPS_REC)
1135                 return GO_TO_RECSCREEN;
1136 #endif
1137             if (global_settings.browse_current)
1138                 return GO_TO_PREVIOUS_BROWSER;
1139             return GO_TO_PREVIOUS;
1140         }
1141
1142         if (button && !IS_SYSEVENT(button) )
1143             storage_spin();
1144     }
1145     return GO_TO_ROOT; /* unreachable - just to reduce compiler warnings */
1146 }
1147
1148 /* this is called from the playback thread so NO DRAWING! */
1149 static void track_changed_callback(void *param)
1150 {
1151     wps_state.id3 = (struct mp3entry*)param;
1152     wps_state.nid3 = audio_next_track();
1153     if (wps_state.id3->cuesheet)
1154     {
1155         cue_find_current_track(wps_state.id3->cuesheet, wps_state.id3->elapsed);
1156         cue_spoof_id3(wps_state.id3->cuesheet, wps_state.id3);
1157     }
1158     wps_state.do_full_update = true;
1159 }
1160 static void nextid3available_callback(void* param)
1161 {
1162     (void)param;
1163     wps_state.nid3 = audio_next_track();
1164     wps_state.do_full_update = true;
1165 }
1166
1167
1168 static void wps_state_init(void)
1169 {
1170     wps_state.ff_rewind = false;
1171     wps_state.paused = false;
1172     if(audio_status() & AUDIO_STATUS_PLAY)
1173     {
1174         wps_state.id3 = audio_current_track();
1175         wps_state.nid3 = audio_next_track();
1176     }
1177     else
1178     {
1179         wps_state.id3 = NULL;
1180         wps_state.nid3 = NULL;
1181     }
1182     /* We'll be updating due to restore initialized with true */
1183     wps_state.do_full_update = false;
1184     /* add the WPS track event callbacks */
1185     add_event(PLAYBACK_EVENT_TRACK_CHANGE, false, track_changed_callback);
1186     add_event(PLAYBACK_EVENT_NEXTTRACKID3_AVAILABLE, false, nextid3available_callback);
1187 }
1188
1189
1190 #ifdef HAVE_LCD_BITMAP
1191 static void statusbar_toggle_handler(void *data)
1192 {
1193     (void)data;
1194     int i;
1195     gwps_fix_statusbars();
1196
1197     FOR_NB_SCREENS(i)
1198     {
1199         struct viewport *vp = &gui_wps[i].data->viewports[0].vp;
1200         bool draw = wpsbars & (VP_SB_ONSCREEN(i) | VP_SB_IGNORE_SETTING(i));
1201         if (!draw)
1202         {
1203             vp->y = 0;
1204             vp->height = screens[i].lcdheight;
1205         }
1206         else
1207         {
1208             bool bar_at_top = statusbar_position(i) != STATUSBAR_BOTTOM;
1209             vp->y      = bar_at_top?STATUSBAR_HEIGHT:0;
1210             vp->height = screens[i].lcdheight - STATUSBAR_HEIGHT;
1211         }
1212     }
1213 }
1214 #endif
1215
1216 void gui_sync_wps_init(void)
1217 {
1218     int i;
1219     FOR_NB_SCREENS(i)
1220     {
1221         skin_data_init(&wps_datas[i]);
1222 #ifdef HAVE_ALBUMART
1223         wps_datas[i].wps_uses_albumart = 0;
1224 #endif
1225 #ifdef HAVE_REMOTE_LCD
1226         wps_datas[i].remote_wps = (i == SCREEN_REMOTE);
1227 #endif
1228         gui_wps[i].data = &wps_datas[i];
1229         gui_wps[i].display = &screens[i];
1230         /* Currently no seperate wps_state needed/possible
1231            so use the only available ( "global" ) one */
1232         gui_wps[i].state = &wps_state;
1233         gui_wps[i].display->backdrop_unload(BACKDROP_SKIN_WPS);
1234     }
1235 #ifdef HAVE_LCD_BITMAP
1236     add_event(GUI_EVENT_STATUSBAR_TOGGLE, false, statusbar_toggle_handler);
1237 #endif
1238 }
1239
1240 #ifdef HAVE_ALBUMART
1241 bool wps_uses_albumart(int *width, int *height)
1242 {
1243     int  i;
1244     FOR_NB_SCREENS(i) {
1245         struct gui_wps *gwps = &gui_wps[i];
1246         if (gwps->data && (gwps->data->wps_uses_albumart != WPS_ALBUMART_NONE))
1247         {
1248             if (width)
1249                 *width = gui_wps[0].data->albumart_max_width;
1250             if (height)
1251                 *height = gui_wps[0].data->albumart_max_height;
1252             return true;
1253         }
1254     }
1255     return false;
1256 }
1257 #endif
1258
1259
1260 #ifdef IPOD_ACCESSORY_PROTOCOL
1261 int wps_get_ff_rewind_count(void)
1262 {
1263     return wps_state.ff_rewind_count;
1264 }
1265 #endif