git.sesse.net Git - vlc/blob - modules/control/hotkeys.c

   1 /*****************************************************************************
   2  * hotkeys.c: Hotkey handling for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Sigmund Augdal <sigmunau@idi.ntnu.no>
   8  *          Jean-Paul Saman <jpsaman #_at_# m2x.nl>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31 #include <vlc/intf.h>
  32 #include <vlc/input.h>
  33 #include <vlc/vout.h>
  34 #include <vlc/aout.h>
  35 #include <osd.h>
  36
  37 #include "vlc_keys.h"
  38
  39 #define BUFFER_SIZE 10
  40
  41 #define CHANNELS_NUMBER 4
  42 #define VOLUME_TEXT_CHAN     p_intf->p_sys->p_channels[ 0 ]
  43 #define VOLUME_WIDGET_CHAN   p_intf->p_sys->p_channels[ 1 ]
  44 #define POSITION_TEXT_CHAN   p_intf->p_sys->p_channels[ 2 ]
  45 #define POSITION_WIDGET_CHAN p_intf->p_sys->p_channels[ 3 ]
  46 /*****************************************************************************
  47  * intf_sys_t: description and status of FB interface
  48  *****************************************************************************/
  49 struct intf_sys_t
  50 {
  51     vlc_mutex_t         change_lock;  /* mutex to keep the callback
  52                                        * and the main loop from
  53                                        * stepping on each others
  54                                        * toes */
  55     int                 p_keys[ BUFFER_SIZE ]; /* buffer that contains
  56                                                 * keyevents */
  57     int                 i_size;        /* number of events in buffer */
  58     int                 p_channels[ CHANNELS_NUMBER ]; /* contains registered
  59                                                         * channel IDs */
  60     input_thread_t *    p_input;       /* pointer to input */
  61     vout_thread_t *     p_vout;        /* pointer to vout object */
  62 };
  63
  64 /*****************************************************************************
  65  * Local prototypes
  66  *****************************************************************************/
  67 static int  Open    ( vlc_object_t * );
  68 static void Close   ( vlc_object_t * );
  69 static void Run     ( intf_thread_t * );
  70 static int  GetKey  ( intf_thread_t *);
  71 static int  KeyEvent( vlc_object_t *, char const *,
  72                       vlc_value_t, vlc_value_t, void * );
  73 static int  ActionKeyCB( vlc_object_t *, char const *,
  74                          vlc_value_t, vlc_value_t, void * );
  75 static void PlayBookmark( intf_thread_t *, int );
  76 static void SetBookmark ( intf_thread_t *, int );
  77 static void DisplayPosition( intf_thread_t *, vout_thread_t *, input_thread_t * );
  78 static void DisplayVolume  ( intf_thread_t *, vout_thread_t *, audio_volume_t );
  79 static void ClearChannels  ( intf_thread_t *, vout_thread_t * );
  80
  81 /*****************************************************************************
  82  * Module descriptor
  83  *****************************************************************************/
  84 #define BOOKMARK1_TEXT N_("Playlist bookmark 1")
  85 #define BOOKMARK2_TEXT N_("Playlist bookmark 2")
  86 #define BOOKMARK3_TEXT N_("Playlist bookmark 3")
  87 #define BOOKMARK4_TEXT N_("Playlist bookmark 4")
  88 #define BOOKMARK5_TEXT N_("Playlist bookmark 5")
  89 #define BOOKMARK6_TEXT N_("Playlist bookmark 6")
  90 #define BOOKMARK7_TEXT N_("Playlist bookmark 7")
  91 #define BOOKMARK8_TEXT N_("Playlist bookmark 8")
  92 #define BOOKMARK9_TEXT N_("Playlist bookmark 9")
  93 #define BOOKMARK10_TEXT N_("Playlist bookmark 10")
  94 #define BOOKMARK_LONGTEXT N_( \
  95     "This option allows you to define playlist bookmarks.")
  96
  97 vlc_module_begin();
  98     set_description( _("Hotkeys management interface") );
  99     add_string( "bookmark1", NULL, NULL,
 100                 BOOKMARK1_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 101     add_string( "bookmark2", NULL, NULL,
 102                 BOOKMARK2_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 103     add_string( "bookmark3", NULL, NULL,
 104                 BOOKMARK3_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 105     add_string( "bookmark4", NULL, NULL,
 106                 BOOKMARK4_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 107     add_string( "bookmark5", NULL, NULL,
 108                 BOOKMARK5_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 109     add_string( "bookmark6", NULL, NULL,
 110                 BOOKMARK6_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 111     add_string( "bookmark7", NULL, NULL,
 112                 BOOKMARK7_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 113     add_string( "bookmark8", NULL, NULL,
 114                 BOOKMARK8_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 115     add_string( "bookmark9", NULL, NULL,
 116                 BOOKMARK9_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 117     add_string( "bookmark10", NULL, NULL,
 118                 BOOKMARK10_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 119
 120     set_capability( "interface", 0 );
 121     set_callbacks( Open, Close );
 122 vlc_module_end();
 123
 124 /*****************************************************************************
 125  * Open: initialize interface
 126  *****************************************************************************/
 127 static int Open( vlc_object_t *p_this )
 128 {
 129     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 130
 131     /* Allocate instance and initialize some members */
 132     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 133     if( p_intf->p_sys == NULL )
 134     {
 135         msg_Err( p_intf, "out of memory" );
 136         return 1;
 137     }
 138     vlc_mutex_init( p_intf, &p_intf->p_sys->change_lock );
 139     p_intf->p_sys->i_size = 0;
 140     p_intf->pf_run = Run;
 141
 142     p_intf->p_sys->p_input = NULL;
 143     p_intf->p_sys->p_vout = NULL;
 144
 145     var_AddCallback( p_intf->p_vlc, "key-pressed", KeyEvent, p_intf );
 146     return 0;
 147 }
 148
 149 /*****************************************************************************
 150  * Close: destroy interface
 151  *****************************************************************************/
 152 static void Close( vlc_object_t *p_this )
 153 {
 154     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 155
 156     var_DelCallback( p_intf->p_vlc, "key-pressed", KeyEvent, p_intf );
 157     if( p_intf->p_sys->p_input )
 158     {
 159         vlc_object_release( p_intf->p_sys->p_input );
 160     }
 161     if( p_intf->p_sys->p_vout )
 162     {
 163         vlc_object_release( p_intf->p_sys->p_vout );
 164     }
 165     /* Destroy structure */
 166     free( p_intf->p_sys );
 167 }
 168
 169 /*****************************************************************************
 170  * Run: main loop
 171  *****************************************************************************/
 172 static void Run( intf_thread_t *p_intf )
 173 {
 174     playlist_t *p_playlist = NULL;
 175     input_thread_t *p_input = NULL;
 176     vout_thread_t *p_vout = NULL;
 177     vout_thread_t *p_last_vout = NULL;
 178     struct hotkey *p_hotkeys = p_intf->p_vlc->p_hotkeys;
 179     vlc_value_t val;
 180     int i;
 181
 182     /* Initialize hotkey structure */
 183     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 184     {
 185         var_Create( p_intf->p_vlc, p_hotkeys[i].psz_action,
 186                     VLC_VAR_HOTKEY | VLC_VAR_DOINHERIT );
 187
 188         var_AddCallback( p_intf->p_vlc, p_hotkeys[i].psz_action,
 189                          ActionKeyCB, NULL );
 190         var_Get( p_intf->p_vlc, p_hotkeys[i].psz_action, &val );
 191         var_Set( p_intf->p_vlc, p_hotkeys[i].psz_action, val );
 192     }
 193
 194     while( !p_intf->b_die )
 195     {
 196         int i_key, i_action;
 197         int i_times = 0;
 198
 199         /* Sleep a bit */
 200         msleep( INTF_IDLE_SLEEP );
 201
 202         /* Update the input */
 203         if( p_intf->p_sys->p_input == NULL )
 204         {
 205             p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 206                                                       FIND_ANYWHERE );
 207         }
 208         else if( p_intf->p_sys->p_input->b_dead )
 209         {
 210             vlc_object_release( p_intf->p_sys->p_input );
 211             p_intf->p_sys->p_input = NULL;
 212         }
 213         p_input = p_intf->p_sys->p_input;
 214
 215         /* Update the vout */
 216         p_last_vout = p_intf->p_sys->p_vout;
 217         if( p_vout == NULL )
 218         {
 219             p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
 220             p_intf->p_sys->p_vout = p_vout;
 221         }
 222         else if( p_vout->b_die )
 223         {
 224             vlc_object_release( p_vout );
 225             p_vout = NULL;
 226             p_intf->p_sys->p_vout = NULL;
 227         }
 228
 229         /* Register OSD channels */
 230         if( p_vout && p_vout != p_last_vout )
 231         {
 232             for( i = 0; i < CHANNELS_NUMBER; i++ )
 233             {
 234                 spu_Control( p_vout->p_spu, SPU_CHANNEL_REGISTER,
 235                              &p_intf->p_sys->p_channels[ i ] );
 236             }
 237         }
 238
 239         /* Find action triggered by hotkey */
 240         i_action = 0;
 241         i_key = GetKey( p_intf );
 242         for( i = 0; i_key != -1 && p_hotkeys[i].psz_action != NULL; i++ )
 243         {
 244             if( p_hotkeys[i].i_key == i_key )
 245             {
 246                  i_action = p_hotkeys[i].i_action;
 247                  i_times  = p_hotkeys[i].i_times; /* times key pressed within max. delta time */
 248             }
 249         }
 250
 251         if( !i_action )
 252         {
 253             /* No key pressed, sleep a bit more */
 254             msleep( INTF_IDLE_SLEEP );
 255             continue;
 256         }
 257
 258         if( i_action == ACTIONID_QUIT )
 259         {
 260             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 261                                     FIND_ANYWHERE );
 262             if( p_playlist )
 263             {
 264                 playlist_Stop( p_playlist );
 265                 vlc_object_release( p_playlist );
 266             }
 267             /* Playlist is stopped now kill vlc. */
 268             p_intf->p_vlc->b_die = VLC_TRUE;
 269             ClearChannels( p_intf, p_vout );
 270             vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Quit" ) );
 271             continue;
 272         }
 273         else if( i_action == ACTIONID_VOL_UP )
 274         {
 275             audio_volume_t i_newvol;
 276             aout_VolumeUp( p_intf, 1, &i_newvol );
 277             DisplayVolume( p_intf, p_vout, i_newvol );
 278         }
 279         else if( i_action == ACTIONID_VOL_DOWN )
 280         {
 281             audio_volume_t i_newvol;
 282             aout_VolumeDown( p_intf, 1, &i_newvol );
 283             DisplayVolume( p_intf, p_vout, i_newvol );
 284         }
 285         else if( i_action == ACTIONID_VOL_MUTE )
 286         {
 287             audio_volume_t i_newvol = -1;
 288             aout_VolumeMute( p_intf, &i_newvol );
 289             if( p_vout )
 290             {
 291                 if( i_newvol == 0 )
 292                 {
 293                     ClearChannels( p_intf, p_vout );
 294                     vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 295                                   OSD_MUTE_ICON );
 296                 }
 297                 else
 298                 {
 299                     DisplayVolume( p_intf, p_vout, i_newvol );
 300                 }
 301             }
 302         }
 303         else if( i_action == ACTIONID_INTF_SHOW )
 304         {
 305             val.b_bool = VLC_TRUE;
 306             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 307                                           FIND_ANYWHERE );
 308             if( p_playlist )
 309             {
 310                 var_Set( p_playlist, "intf-show", val );
 311                 vlc_object_release( p_playlist );
 312             }
 313         }
 314         else if( i_action == ACTIONID_INTF_HIDE )
 315         {
 316             val.b_bool = VLC_FALSE;
 317             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 318                                           FIND_ANYWHERE );
 319             if( p_playlist )
 320             {
 321                 var_Set( p_playlist, "intf-show", val );
 322                 vlc_object_release( p_playlist );
 323             }
 324         }
 325         else if( i_action == ACTIONID_SNAPSHOT )
 326         {
 327             if( p_vout ) vout_Control( p_vout, VOUT_SNAPSHOT );
 328         }
 329         else if( i_action == ACTIONID_SUBDELAY_DOWN )
 330         {
 331             int64_t i_delay = var_GetTime( p_input, "spu-delay" );
 332
 333             i_delay -= 50000;    /* 50 ms */
 334
 335             var_SetTime( p_input, "spu-delay", i_delay );
 336             ClearChannels( p_intf, p_vout );
 337             vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
 338                                  (int)(i_delay/1000) );
 339         }
 340         else if( i_action == ACTIONID_SUBDELAY_UP )
 341         {
 342             int64_t i_delay = var_GetTime( p_input, "spu-delay" );
 343
 344             i_delay += 50000;    /* 50 ms */
 345
 346             var_SetTime( p_input, "spu-delay", i_delay );
 347             ClearChannels( p_intf, p_vout );
 348             vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
 349                                  (int)(i_delay/1000) );
 350         }
 351         else if( i_action == ACTIONID_AUDIODELAY_DOWN )
 352         {
 353             int64_t i_delay = var_GetTime( p_input, "audio-delay" );
 354
 355             i_delay -= 50000;    /* 50 ms */
 356
 357             var_SetTime( p_input, "audio-delay", i_delay );
 358             ClearChannels( p_intf, p_vout );
 359             vout_OSDMessage( p_intf, DEFAULT_CHAN, "Audio delay %i ms",
 360                                  (int)(i_delay/1000) );
 361         }
 362         else if( i_action == ACTIONID_AUDIODELAY_UP )
 363         {
 364             int64_t i_delay = var_GetTime( p_input, "audio-delay" );
 365
 366             i_delay += 50000;    /* 50 ms */
 367
 368             var_SetTime( p_input, "audio-delay", i_delay );
 369             ClearChannels( p_intf, p_vout );
 370             vout_OSDMessage( p_intf, DEFAULT_CHAN, "Audio delay %i ms",
 371                                  (int)(i_delay/1000) );
 372         }
 373         else if( i_action == ACTIONID_FULLSCREEN )
 374         {
 375             if( p_vout )
 376             {
 377                 var_Get( p_vout, "fullscreen", &val ); val.b_bool = !val.b_bool;
 378                 var_Set( p_vout, "fullscreen", val );
 379             }
 380             else
 381             {
 382                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 383                                           FIND_ANYWHERE );
 384                 if( p_playlist )
 385                 {
 386                     var_Get( p_playlist, "fullscreen", &val ); val.b_bool = !val.b_bool;
 387                     var_Set( p_playlist, "fullscreen", val );
 388                     vlc_object_release( p_playlist );
 389                 }
 390             }
 391         }
 392         else if( i_action == ACTIONID_PLAY )
 393         {
 394             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 395                                           FIND_ANYWHERE );
 396             if( p_playlist )
 397             {
 398                 var_Get( p_input, "rate", &val );
 399                 msg_Dbg( p_input, "rate %d", val.i_int );
 400                 if( val.i_int != INPUT_RATE_DEFAULT )
 401                 {
 402                     /* Return to normal speed */
 403                     val.i_int = INPUT_RATE_DEFAULT;
 404                     var_Set( p_input, "rate", val );
 405                 }
 406                 else
 407                 {
 408                     ClearChannels( p_intf, p_vout );
 409                     vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 410                                   OSD_PAUSE_ICON );
 411                     playlist_Play( p_playlist );
 412                 }
 413                 vlc_object_release( p_playlist );
 414             }
 415
 416         }
 417         else if( i_action == ACTIONID_PLAY_PAUSE )
 418         {
 419             val.i_int = PLAYING_S;
 420             if( p_input )
 421             {
 422                 var_Get( p_input, "state", &val );
 423             }
 424             if( p_input && val.i_int != PAUSE_S )
 425             {
 426                 ClearChannels( p_intf, p_vout );
 427                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 428                               OSD_PAUSE_ICON );
 429                 val.i_int = PAUSE_S;
 430                 var_Set( p_input, "state", val );
 431             }
 432             else
 433             {
 434                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 435                                               FIND_ANYWHERE );
 436                 if( p_playlist )
 437                 {
 438                     ClearChannels( p_intf, p_vout );
 439                     vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 440                                   OSD_PLAY_ICON );
 441                     playlist_Play( p_playlist );
 442                     vlc_object_release( p_playlist );
 443                 }
 444             }
 445         }
 446         else if( p_input )
 447         {
 448             /* FIXME --fenrir
 449              * How to get a valid value ?
 450              * That's not that easy with some special stream
 451              */
 452             vlc_bool_t b_seekable = VLC_TRUE;
 453
 454             if( i_action == ACTIONID_PAUSE )
 455             {
 456                 ClearChannels( p_intf, p_vout );
 457                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 458                               OSD_PAUSE_ICON );
 459                 val.i_int = PAUSE_S;
 460                 var_Set( p_input, "state", val );
 461             }
 462             else if( i_action == ACTIONID_JUMP_BACKWARD_3SEC && b_seekable )
 463             {
 464                 val.i_time = (-3000000 * 2^i_times);
 465                 var_Set( p_input, "time-offset", val );
 466                 DisplayPosition( p_intf, p_vout, p_input );
 467             }
 468             else if( i_action == ACTIONID_JUMP_FORWARD_3SEC && b_seekable )
 469             {
 470                 val.i_time = (3000000 * 2^i_times);
 471                 var_Set( p_input, "time-offset", val );
 472                 DisplayPosition( p_intf, p_vout, p_input );
 473             }
 474             else if( i_action == ACTIONID_JUMP_BACKWARD_10SEC && b_seekable )
 475             {
 476                 val.i_time = (-10000000 * 2^i_times);
 477                 var_Set( p_input, "time-offset", val );
 478                 DisplayPosition( p_intf, p_vout, p_input );
 479             }
 480             else if( i_action == ACTIONID_JUMP_FORWARD_10SEC && b_seekable )
 481             {
 482                 val.i_time = (10000000 * 2^i_times);
 483                 var_Set( p_input, "time-offset", val );
 484                 DisplayPosition( p_intf, p_vout, p_input );
 485             }
 486             else if( i_action == ACTIONID_JUMP_BACKWARD_1MIN && b_seekable )
 487             {
 488                 val.i_time = (-60000000 * 2^i_times);
 489                 var_Set( p_input, "time-offset", val );
 490                 DisplayPosition( p_intf, p_vout, p_input );
 491             }
 492             else if( i_action == ACTIONID_JUMP_FORWARD_1MIN && b_seekable )
 493             {
 494                 val.i_time = (60000000 * 2^i_times);
 495                 var_Set( p_input, "time-offset", val );
 496                 DisplayPosition( p_intf, p_vout, p_input );
 497             }
 498             else if( i_action == ACTIONID_JUMP_BACKWARD_5MIN && b_seekable )
 499             {
 500                 val.i_time = (-300000000 * 2^i_times);
 501                 var_Set( p_input, "time-offset", val );
 502                 DisplayPosition( p_intf, p_vout, p_input );
 503             }
 504             else if( i_action == ACTIONID_JUMP_FORWARD_5MIN && b_seekable )
 505             {
 506                 val.i_time = (300000000 * 2^i_times);
 507                 var_Set( p_input, "time-offset", val );
 508                 DisplayPosition( p_intf, p_vout, p_input );
 509             }
 510             else if( i_action == ACTIONID_AUDIO_TRACK )
 511             {
 512                 vlc_value_t val, list, list2;
 513                 int i_count, i;
 514                 var_Get( p_input, "audio-es", &val );
 515                 var_Change( p_input, "audio-es", VLC_VAR_GETCHOICES,
 516                             &list, &list2 );
 517                 i_count = list.p_list->i_count;
 518                 if( i_count <= 1 )
 519                 {
 520                     continue;
 521                 }
 522                 for( i = 0; i < i_count; i++ )
 523                 {
 524                     if( val.i_int == list.p_list->p_values[i].i_int )
 525                     {
 526                         break;
 527                     }
 528                 }
 529                 /* value of audio-es was not in choices list */
 530                 if( i == i_count )
 531                 {
 532                     msg_Warn( p_input,
 533                               "invalid current audio track, selecting 0" );
 534                     var_Set( p_input, "audio-es",
 535                              list.p_list->p_values[0] );
 536                     i = 0;
 537                 }
 538                 else if( i == i_count - 1 )
 539                 {
 540                     var_Set( p_input, "audio-es",
 541                              list.p_list->p_values[1] );
 542                     i = 1;
 543                 }
 544                 else
 545                 {
 546                     var_Set( p_input, "audio-es",
 547                              list.p_list->p_values[i+1] );
 548                     i++;
 549                 }
 550                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 551                                  _("Audio track: %s"),
 552                                  list2.p_list->p_values[i].psz_string );
 553             }
 554             else if( i_action == ACTIONID_SUBTITLE_TRACK )
 555             {
 556                 vlc_value_t val, list, list2;
 557                 int i_count, i;
 558                 var_Get( p_input, "spu-es", &val );
 559
 560                 var_Change( p_input, "spu-es", VLC_VAR_GETCHOICES,
 561                             &list, &list2 );
 562                 i_count = list.p_list->i_count;
 563                 if( i_count <= 1 )
 564                 {
 565                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Subtitle track: %s"), _("N/A") );
 566                     continue;
 567                 }
 568                 for( i = 0; i < i_count; i++ )
 569                 {
 570                     if( val.i_int == list.p_list->p_values[i].i_int )
 571                     {
 572                         break;
 573                     }
 574                 }
 575                 /* value of spu-es was not in choices list */
 576                 if( i == i_count )
 577                 {
 578                     msg_Warn( p_input, "invalid current subtitle track, selecting 0" );
 579                     var_Set( p_input, "spu-es", list.p_list->p_values[0] );
 580                     i = 0;
 581                 }
 582                 else if( i == i_count - 1 )
 583                 {
 584                     var_Set( p_input, "spu-es", list.p_list->p_values[0] );
 585                     i = 0;
 586                 }
 587                 else
 588                 {
 589                     var_Set( p_input, "spu-es", list.p_list->p_values[i+1] );
 590                     i = i + 1;
 591                 }
 592                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 593                                  _("Subtitle track: %s"),
 594                                  list2.p_list->p_values[i].psz_string );
 595             }
 596             else if( i_action == ACTIONID_NEXT )
 597             {
 598                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 599                                               FIND_ANYWHERE );
 600                 if( p_playlist )
 601                 {
 602                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Next") );
 603                     playlist_Next( p_playlist );
 604                     vlc_object_release( p_playlist );
 605                 }
 606             }
 607             else if( i_action == ACTIONID_PREV )
 608             {
 609                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 610                                               FIND_ANYWHERE );
 611                 if( p_playlist )
 612                 {
 613                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Previous") );
 614                     playlist_Prev( p_playlist );
 615                     vlc_object_release( p_playlist );
 616                 }
 617             }
 618             else if( i_action == ACTIONID_STOP )
 619             {
 620                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 621                                               FIND_ANYWHERE );
 622                 if( p_playlist )
 623                 {
 624                     playlist_Stop( p_playlist );
 625                     vlc_object_release( p_playlist );
 626                 }
 627             }
 628             else if( i_action == ACTIONID_FASTER )
 629             {
 630                 vlc_value_t val;
 631                 val.b_bool = VLC_TRUE;
 632                 var_Set( p_input, "rate-faster", val );
 633                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Faster") );
 634             }
 635             else if( i_action == ACTIONID_SLOWER )
 636             {
 637                 vlc_value_t val;
 638                 val.b_bool = VLC_TRUE;
 639                 var_Set( p_input, "rate-slower", val );
 640                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Slower") );
 641             }
 642             else if( i_action == ACTIONID_POSITION && b_seekable )
 643             {
 644                 DisplayPosition( p_intf, p_vout, p_input );
 645             }
 646             else if( i_action >= ACTIONID_PLAY_BOOKMARK1 &&
 647                      i_action <= ACTIONID_PLAY_BOOKMARK10 )
 648             {
 649                 PlayBookmark( p_intf, i_action - ACTIONID_PLAY_BOOKMARK1 + 1 );
 650             }
 651             else if( i_action >= ACTIONID_SET_BOOKMARK1 &&
 652                      i_action <= ACTIONID_SET_BOOKMARK10 )
 653             {
 654                 SetBookmark( p_intf, i_action - ACTIONID_SET_BOOKMARK1 + 1 );
 655             }
 656             /* Only makes sense with DVD */
 657             else if( i_action == ACTIONID_TITLE_PREV )
 658             {
 659                 val.b_bool = VLC_TRUE;
 660                 var_Set( p_input, "prev-title", val );
 661             }
 662             else if( i_action == ACTIONID_TITLE_NEXT )
 663             {
 664                 val.b_bool = VLC_TRUE;
 665                 var_Set( p_input, "next-title", val );
 666             }
 667             else if( i_action == ACTIONID_CHAPTER_PREV )
 668             {
 669                 val.b_bool = VLC_TRUE;
 670                 var_Set( p_input, "prev-chapter", val );
 671             }
 672             else if( i_action == ACTIONID_CHAPTER_NEXT )
 673             {
 674                 val.b_bool = VLC_TRUE;
 675                 var_Set( p_input, "next-chapter", val );
 676             }
 677         }
 678     }
 679 }
 680
 681 static int GetKey( intf_thread_t *p_intf)
 682 {
 683     vlc_mutex_lock( &p_intf->p_sys->change_lock );
 684     if ( p_intf->p_sys->i_size == 0 )
 685     {
 686         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 687         return -1;
 688     }
 689     else
 690     {
 691         int i_return = p_intf->p_sys->p_keys[ 0 ];
 692         int i;
 693         p_intf->p_sys->i_size--;
 694         for ( i = 0; i < BUFFER_SIZE - 1; i++)
 695         {
 696             p_intf->p_sys->p_keys[ i ] = p_intf->p_sys->p_keys[ i + 1 ];
 697         }
 698         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 699         return i_return;
 700     }
 701 }
 702
 703 /*****************************************************************************
 704  * KeyEvent: callback for keyboard events
 705  *****************************************************************************/
 706 static int KeyEvent( vlc_object_t *p_this, char const *psz_var,
 707                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
 708 {
 709     intf_thread_t *p_intf = (intf_thread_t *)p_data;
 710     vlc_mutex_lock( &p_intf->p_sys->change_lock );
 711     if ( p_intf->p_sys->i_size == BUFFER_SIZE )
 712     {
 713         msg_Warn( p_intf, "event buffer full, dropping keypress" );
 714         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 715         return VLC_EGENERIC;
 716     }
 717     else
 718     {
 719         p_intf->p_sys->p_keys[ p_intf->p_sys->i_size ] = newval.i_int;
 720         p_intf->p_sys->i_size++;
 721     }
 722     vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 723
 724     return VLC_SUCCESS;
 725 }
 726
 727 static int ActionKeyCB( vlc_object_t *p_this, char const *psz_var,
 728                         vlc_value_t oldval, vlc_value_t newval, void *p_data )
 729 {
 730     vlc_t *p_vlc = (vlc_t *)p_this;
 731     struct hotkey *p_hotkeys = p_vlc->p_hotkeys;
 732     mtime_t i_date;
 733     int i;
 734
 735     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 736     {
 737         if( !strcmp( p_hotkeys[i].psz_action, psz_var ) )
 738         {
 739             p_hotkeys[i].i_key = newval.i_int;
 740             /* do hotkey accounting */
 741             i_date = mdate();
 742             if( (p_hotkeys[i].i_delta_date > 0) &&
 743                 (p_hotkeys[i].i_delta_date <= (i_date - p_hotkeys[i].i_last_date) ) )
 744                 p_hotkeys[i].i_times = 0;
 745             else
 746                 p_hotkeys[i].i_times++;
 747             p_hotkeys[i].i_last_date = i_date;
 748         }
 749     }
 750
 751     return VLC_SUCCESS;
 752 }
 753
 754 static void PlayBookmark( intf_thread_t *p_intf, int i_num )
 755 {
 756     vlc_value_t val;
 757     int i_position;
 758     char psz_bookmark_name[11];
 759     playlist_t *p_playlist =
 760         vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 761
 762     sprintf( psz_bookmark_name, "bookmark%i", i_num );
 763     var_Create( p_intf, psz_bookmark_name, VLC_VAR_STRING|VLC_VAR_DOINHERIT );
 764     var_Get( p_intf, psz_bookmark_name, &val );
 765
 766     if( p_playlist )
 767     {
 768         char *psz_bookmark = strdup( val.psz_string );
 769         for( i_position = 0; i_position < p_playlist->i_size; i_position++)
 770         {
 771             if( !strcmp( psz_bookmark,
 772                          p_playlist->pp_items[i_position]->input.psz_uri ) )
 773             {
 774                 playlist_Goto( p_playlist, i_position );
 775                 break;
 776             }
 777         }
 778         vlc_object_release( p_playlist );
 779     }
 780 }
 781
 782 static void SetBookmark( intf_thread_t *p_intf, int i_num )
 783 {
 784     playlist_t *p_playlist =
 785         vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 786     if( p_playlist )
 787     {
 788         char psz_bookmark_name[11];
 789         sprintf( psz_bookmark_name, "bookmark%i", i_num );
 790         var_Create( p_intf, psz_bookmark_name,
 791                     VLC_VAR_STRING|VLC_VAR_DOINHERIT );
 792         if( p_playlist->status.p_item )
 793         {
 794             config_PutPsz( p_intf, psz_bookmark_name,
 795                            p_playlist->status.p_item->input.psz_uri);
 796             msg_Info( p_intf, "setting playlist bookmark %i to %s", i_num,
 797                            p_playlist->status.p_item->input.psz_uri);
 798             config_SaveConfigFile( p_intf, "hotkeys" );
 799         }
 800         vlc_object_release( p_playlist );
 801     }
 802 }
 803
 804 static void DisplayPosition( intf_thread_t *p_intf, vout_thread_t *p_vout,
 805                              input_thread_t *p_input )
 806 {
 807     char psz_duration[MSTRTIME_MAX_SIZE];
 808     char psz_time[MSTRTIME_MAX_SIZE];
 809     vlc_value_t time, pos;
 810     mtime_t i_seconds;
 811
 812     if( p_vout == NULL )
 813     {
 814         return;
 815     }
 816     ClearChannels( p_intf, p_vout );
 817
 818     var_Get( p_input, "time", &time );
 819     i_seconds = time.i_time / 1000000;
 820     secstotimestr ( psz_time, i_seconds );
 821
 822     var_Get( p_input, "length", &time );
 823     if( time.i_time > 0 )
 824     {
 825         secstotimestr( psz_duration, time.i_time / 1000000 );
 826         vout_OSDMessage( p_input, POSITION_TEXT_CHAN, "%s / %s",
 827                          psz_time, psz_duration );
 828     }
 829     else if( i_seconds > 0 )
 830     {
 831         vout_OSDMessage( p_input, POSITION_TEXT_CHAN, psz_time );
 832     }
 833
 834     if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
 835     {
 836         var_Get( p_input, "position", &pos );
 837         vout_OSDSlider( VLC_OBJECT( p_input ), POSITION_WIDGET_CHAN,
 838                         pos.f_float * 100, OSD_HOR_SLIDER );
 839     }
 840 }
 841
 842 static void DisplayVolume( intf_thread_t *p_intf, vout_thread_t *p_vout,
 843                            audio_volume_t i_vol )
 844 {
 845     if( p_vout == NULL )
 846     {
 847         return;
 848     }
 849     ClearChannels( p_intf, p_vout );
 850
 851     if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
 852     {
 853         vout_OSDSlider( VLC_OBJECT( p_vout ), VOLUME_WIDGET_CHAN,
 854             i_vol*100/AOUT_VOLUME_MAX, OSD_VERT_SLIDER );
 855     }
 856     else
 857     {
 858         vout_OSDMessage( p_vout, VOLUME_TEXT_CHAN, "Volume %d%%",
 859                          i_vol*400/AOUT_VOLUME_MAX );
 860     }
 861 }
 862
 863 static void ClearChannels( intf_thread_t *p_intf, vout_thread_t *p_vout )
 864 {
 865     int i;
 866
 867     if( p_vout )
 868     {
 869         spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR, DEFAULT_CHAN );
 870         for( i = 0; i < CHANNELS_NUMBER; i++ )
 871         {
 872             spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR,
 873                          p_intf->p_sys->p_channels[ i ] );
 874         }
 875     }
 876 }