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

   1 /*****************************************************************************
   2  * hotkeys.c: Hotkey handling for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2004 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Sigmund Augdal <sigmunau@idi.ntnu.no>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>                                      /* malloc(), free() */
  28
  29 #include <vlc/vlc.h>
  30 #include <vlc/intf.h>
  31 #include <vlc/input.h>
  32 #include <vlc/vout.h>
  33 #include <vlc/aout.h>
  34 #include <osd.h>
  35
  36 #include "vlc_keys.h"
  37
  38 #define BUFFER_SIZE 10
  39
  40 #define CHANNELS_NUMBER 4
  41 #define VOLUME_TEXT_CHAN     p_intf->p_sys->p_channels[ 0 ]
  42 #define VOLUME_WIDGET_CHAN   p_intf->p_sys->p_channels[ 1 ]
  43 #define POSITION_TEXT_CHAN   p_intf->p_sys->p_channels[ 2 ]
  44 #define POSITION_WIDGET_CHAN p_intf->p_sys->p_channels[ 3 ]
  45 /*****************************************************************************
  46  * intf_sys_t: description and status of FB interface
  47  *****************************************************************************/
  48 struct intf_sys_t
  49 {
  50     vlc_mutex_t         change_lock;  /* mutex to keep the callback
  51                                        * and the main loop from
  52                                        * stepping on each others
  53                                        * toes */
  54     int                 p_keys[ BUFFER_SIZE ]; /* buffer that contains
  55                                                 * keyevents */
  56     int                 i_size;        /* number of events in buffer */
  57     int                 p_channels[ CHANNELS_NUMBER ]; /* contains registered
  58                                                         * channel IDs */
  59     input_thread_t *    p_input;       /* pointer to input */
  60     vout_thread_t *     p_vout;        /* pointer to vout object */
  61 };
  62
  63 /*****************************************************************************
  64  * Local prototypes
  65  *****************************************************************************/
  66 static int  Open    ( vlc_object_t * );
  67 static void Close   ( vlc_object_t * );
  68 static void Run     ( intf_thread_t * );
  69 static int  GetKey  ( intf_thread_t *);
  70 static int  KeyEvent( vlc_object_t *, char const *,
  71                       vlc_value_t, vlc_value_t, void * );
  72 static int  ActionKeyCB( vlc_object_t *, char const *,
  73                          vlc_value_t, vlc_value_t, void * );
  74 static void PlayBookmark( intf_thread_t *, int );
  75 static void SetBookmark ( intf_thread_t *, int );
  76 static void DisplayPosition( intf_thread_t *, vout_thread_t *, input_thread_t * );
  77 static void DisplayVolume  ( intf_thread_t *, vout_thread_t *, audio_volume_t );
  78 static void ClearChannels  ( intf_thread_t *, vout_thread_t * );
  79
  80 /*****************************************************************************
  81  * Module descriptor
  82  *****************************************************************************/
  83 #define BOOKMARK1_TEXT N_("Playlist bookmark 1")
  84 #define BOOKMARK2_TEXT N_("Playlist bookmark 2")
  85 #define BOOKMARK3_TEXT N_("Playlist bookmark 3")
  86 #define BOOKMARK4_TEXT N_("Playlist bookmark 4")
  87 #define BOOKMARK5_TEXT N_("Playlist bookmark 5")
  88 #define BOOKMARK6_TEXT N_("Playlist bookmark 6")
  89 #define BOOKMARK7_TEXT N_("Playlist bookmark 7")
  90 #define BOOKMARK8_TEXT N_("Playlist bookmark 8")
  91 #define BOOKMARK9_TEXT N_("Playlist bookmark 9")
  92 #define BOOKMARK10_TEXT N_("Playlist bookmark 10")
  93 #define BOOKMARK_LONGTEXT N_( \
  94     "This option allows you to define playlist bookmarks.")
  95
  96 vlc_module_begin();
  97     set_description( _("Hotkeys management interface") );
  98     add_string( "bookmark1", NULL, NULL,
  99                 BOOKMARK1_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 100     add_string( "bookmark2", NULL, NULL,
 101                 BOOKMARK2_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 102     add_string( "bookmark3", NULL, NULL,
 103                 BOOKMARK3_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 104     add_string( "bookmark4", NULL, NULL,
 105                 BOOKMARK4_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 106     add_string( "bookmark5", NULL, NULL,
 107                 BOOKMARK5_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 108     add_string( "bookmark6", NULL, NULL,
 109                 BOOKMARK6_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 110     add_string( "bookmark7", NULL, NULL,
 111                 BOOKMARK7_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 112     add_string( "bookmark8", NULL, NULL,
 113                 BOOKMARK8_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 114     add_string( "bookmark9", NULL, NULL,
 115                 BOOKMARK9_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 116     add_string( "bookmark10", NULL, NULL,
 117                 BOOKMARK10_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 118
 119     set_capability( "interface", 0 );
 120     set_callbacks( Open, Close );
 121 vlc_module_end();
 122
 123 /*****************************************************************************
 124  * Open: initialize interface
 125  *****************************************************************************/
 126 static int Open( vlc_object_t *p_this )
 127 {
 128     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 129
 130     /* Allocate instance and initialize some members */
 131     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 132     if( p_intf->p_sys == NULL )
 133     {
 134         msg_Err( p_intf, "out of memory" );
 135         return 1;
 136     }
 137     vlc_mutex_init( p_intf, &p_intf->p_sys->change_lock );
 138     p_intf->p_sys->i_size = 0;
 139     p_intf->pf_run = Run;
 140
 141     p_intf->p_sys->p_input = NULL;
 142     p_intf->p_sys->p_vout = NULL;
 143
 144     var_AddCallback( p_intf->p_vlc, "key-pressed", KeyEvent, p_intf );
 145     return 0;
 146 }
 147
 148 /*****************************************************************************
 149  * Close: destroy interface
 150  *****************************************************************************/
 151 static void Close( vlc_object_t *p_this )
 152 {
 153     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 154
 155     if( p_intf->p_sys->p_input )
 156     {
 157         vlc_object_release( p_intf->p_sys->p_input );
 158     }
 159     if( p_intf->p_sys->p_vout )
 160     {
 161         vlc_object_release( p_intf->p_sys->p_vout );
 162     }
 163     /* Destroy structure */
 164     free( p_intf->p_sys );
 165 }
 166
 167 /*****************************************************************************
 168  * Run: main loop
 169  *****************************************************************************/
 170 static void Run( intf_thread_t *p_intf )
 171 {
 172     playlist_t *p_playlist;
 173     input_thread_t *p_input;
 174     vout_thread_t *p_vout = NULL;
 175     vout_thread_t *p_last_vout;
 176     struct hotkey *p_hotkeys = p_intf->p_vlc->p_hotkeys;
 177     vlc_value_t val;
 178     int i;
 179
 180     /* Initialize hotkey structure */
 181     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 182     {
 183         var_Create( p_intf->p_vlc, p_hotkeys[i].psz_action,
 184                     VLC_VAR_HOTKEY | VLC_VAR_DOINHERIT );
 185
 186         var_AddCallback( p_intf->p_vlc, p_hotkeys[i].psz_action,
 187                          ActionKeyCB, NULL );
 188         var_Get( p_intf->p_vlc, p_hotkeys[i].psz_action, &val );
 189         var_Set( p_intf->p_vlc, p_hotkeys[i].psz_action, val );
 190     }
 191
 192     while( !p_intf->b_die )
 193     {
 194         int i_key, i_action;
 195
 196         /* Sleep a bit */
 197         msleep( INTF_IDLE_SLEEP );
 198
 199         /* Update the input */
 200         if( p_intf->p_sys->p_input == NULL )
 201         {
 202             p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 203                                                       FIND_ANYWHERE );
 204         }
 205         else if( p_intf->p_sys->p_input->b_dead )
 206         {
 207             vlc_object_release( p_intf->p_sys->p_input );
 208             p_intf->p_sys->p_input = NULL;
 209         }
 210         p_input = p_intf->p_sys->p_input;
 211
 212         /* Update the vout */
 213         p_last_vout = p_intf->p_sys->p_vout;
 214         if( p_vout == NULL )
 215         {
 216             p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
 217             p_intf->p_sys->p_vout = p_vout;
 218         }
 219         else if( p_vout->b_die )
 220         {
 221             vlc_object_release( p_vout );
 222             p_vout = NULL;
 223             p_intf->p_sys->p_vout = NULL;
 224         }
 225
 226         /* Register OSD channels */
 227         if( p_vout && p_vout != p_last_vout )
 228         {
 229             for( i = 0; i < CHANNELS_NUMBER; i++ )
 230             {
 231                 spu_Control( p_vout->p_spu, SPU_CHANNEL_REGISTER,
 232                              &p_intf->p_sys->p_channels[ i ] );
 233             }
 234         }
 235
 236         /* Find action triggered by hotkey */
 237         i_action = 0;
 238         i_key = GetKey( p_intf );
 239         for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 240         {
 241             if( p_hotkeys[i].i_key == i_key )
 242             {
 243                  i_action = p_hotkeys[i].i_action;
 244             }
 245         }
 246
 247         if( !i_action )
 248         {
 249             /* No key pressed, sleep a bit more */
 250             msleep( INTF_IDLE_SLEEP );
 251             continue;
 252         }
 253
 254         if( i_action == ACTIONID_QUIT )
 255         {
 256             p_intf->p_vlc->b_die = VLC_TRUE;
 257             ClearChannels( p_intf, p_vout );
 258             vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Quit" ) );
 259             continue;
 260         }
 261         else if( i_action == ACTIONID_VOL_UP )
 262         {
 263             audio_volume_t i_newvol;
 264             aout_VolumeUp( p_intf, 1, &i_newvol );
 265             DisplayVolume( p_intf, p_vout, i_newvol );
 266         }
 267         else if( i_action == ACTIONID_VOL_DOWN )
 268         {
 269             audio_volume_t i_newvol;
 270             aout_VolumeDown( p_intf, 1, &i_newvol );
 271             DisplayVolume( p_intf, p_vout, i_newvol );
 272         }
 273         else if( i_action == ACTIONID_VOL_MUTE )
 274         {
 275             audio_volume_t i_newvol = -1;
 276             aout_VolumeMute( p_intf, &i_newvol );
 277             if( p_vout )
 278             {
 279                 if( i_newvol == 0 )
 280                 {
 281                     ClearChannels( p_intf, p_vout );
 282                     vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 283                                   OSD_MUTE_ICON );
 284                 }
 285                 else
 286                 {
 287                     DisplayVolume( p_intf, p_vout, i_newvol );
 288                 }
 289             }
 290         }
 291
 292         else if( i_action == ACTIONID_SUBDELAY_DOWN )
 293         {
 294             int64_t i_delay = var_GetTime( p_input, "spu-delay" );
 295
 296             i_delay -= 50000;    /* 50 ms */
 297
 298             var_SetTime( p_input, "spu-delay", i_delay );
 299             ClearChannels( p_intf, p_vout );
 300             vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
 301                                  (int)(i_delay/1000) );
 302         }
 303         else if( i_action == ACTIONID_SUBDELAY_UP )
 304         {
 305             int64_t i_delay = var_GetTime( p_input, "spu-delay" );
 306
 307             i_delay += 50000;    /* 50 ms */
 308
 309             var_SetTime( p_input, "spu-delay", i_delay );
 310             ClearChannels( p_intf, p_vout );
 311             vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
 312                                  (int)(i_delay/1000) );
 313         }
 314         else if( i_action == ACTIONID_FULLSCREEN )
 315         {
 316             if( p_vout )
 317             {
 318                 var_Get( p_vout, "fullscreen", &val ); val.b_bool = !val.b_bool;
 319                 var_Set( p_vout, "fullscreen", val );
 320             }
 321             else
 322             {
 323                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 324                                           FIND_ANYWHERE );
 325                 if( p_playlist )
 326                 {
 327                     var_Get( p_playlist, "fullscreen", &val ); val.b_bool = !val.b_bool;
 328                     var_Set( p_playlist, "fullscreen", val );
 329                     vlc_object_release( p_playlist );
 330                 }
 331             }
 332         }
 333         else if( i_action == ACTIONID_PLAY )
 334         {
 335             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 336                                           FIND_ANYWHERE );
 337             if( p_playlist )
 338             {
 339                 ClearChannels( p_intf, p_vout );
 340                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 341                               OSD_PAUSE_ICON );
 342                 playlist_Play( p_playlist );
 343                 vlc_object_release( p_playlist );
 344             }
 345         }
 346         else if( i_action == ACTIONID_PLAY_PAUSE )
 347         {
 348             val.i_int = PLAYING_S;
 349             if( p_input )
 350             {
 351                 var_Get( p_input, "state", &val );
 352             }
 353             if( p_input && val.i_int != PAUSE_S )
 354             {
 355                 ClearChannels( p_intf, p_vout );
 356                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 357                               OSD_PAUSE_ICON );
 358                 val.i_int = PAUSE_S;
 359                 var_Set( p_input, "state", val );
 360             }
 361             else
 362             {
 363                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 364                                               FIND_ANYWHERE );
 365                 if( p_playlist )
 366                 {
 367                     ClearChannels( p_intf, p_vout );
 368                     vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 369                                   OSD_PLAY_ICON );
 370                     playlist_Play( p_playlist );
 371                     vlc_object_release( p_playlist );
 372                 }
 373             }
 374         }
 375         else if( p_input )
 376         {
 377             /* FIXME --fenrir
 378              * How to get a valid value ?
 379              * That's not that easy with some special stream
 380              */
 381             vlc_bool_t b_seekable = VLC_TRUE;
 382
 383             if( i_action == ACTIONID_PAUSE )
 384             {
 385                 ClearChannels( p_intf, p_vout );
 386                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 387                               OSD_PAUSE_ICON );
 388                 val.i_int = PAUSE_S;
 389                 var_Set( p_input, "state", val );
 390             }
 391             else if( i_action == ACTIONID_JUMP_BACKWARD_10SEC && b_seekable )
 392             {
 393                 val.i_time = -10000000;
 394                 var_Set( p_input, "time-offset", val );
 395                 DisplayPosition( p_intf, p_vout, p_input );
 396             }
 397             else if( i_action == ACTIONID_JUMP_FORWARD_10SEC && b_seekable )
 398             {
 399                 val.i_time = 10000000;
 400                 var_Set( p_input, "time-offset", val );
 401                 DisplayPosition( p_intf, p_vout, p_input );
 402             }
 403             else if( i_action == ACTIONID_JUMP_BACKWARD_1MIN && b_seekable )
 404             {
 405                 val.i_time = -60000000;
 406                 var_Set( p_input, "time-offset", val );
 407                 DisplayPosition( p_intf, p_vout, p_input );
 408             }
 409             else if( i_action == ACTIONID_JUMP_FORWARD_1MIN && b_seekable )
 410             {
 411                 val.i_time = 60000000;
 412                 var_Set( p_input, "time-offset", val );
 413                 DisplayPosition( p_intf, p_vout, p_input );
 414             }
 415             else if( i_action == ACTIONID_JUMP_BACKWARD_5MIN && b_seekable )
 416             {
 417                 val.i_time = -300000000;
 418                 var_Set( p_input, "time-offset", val );
 419                 DisplayPosition( p_intf, p_vout, p_input );
 420             }
 421             else if( i_action == ACTIONID_JUMP_FORWARD_5MIN && b_seekable )
 422             {
 423                 val.i_time = 300000000;
 424                 var_Set( p_input, "time-offset", val );
 425                 DisplayPosition( p_intf, p_vout, p_input );
 426             }
 427             else if( i_action == ACTIONID_AUDIO_TRACK )
 428             {
 429                 vlc_value_t val, list, list2;
 430                 int i_count, i;
 431                 var_Get( p_input, "audio-es", &val );
 432                 var_Change( p_input, "audio-es", VLC_VAR_GETCHOICES,
 433                             &list, &list2 );
 434                 i_count = list.p_list->i_count;
 435                 if( i_count <= 1 )
 436                 {
 437                     continue;
 438                 }
 439                 for( i = 0; i < i_count; i++ )
 440                 {
 441                     if( val.i_int == list.p_list->p_values[i].i_int )
 442                     {
 443                         break;
 444                     }
 445                 }
 446                 /* value of audio-es was not in choices list */
 447                 if( i == i_count )
 448                 {
 449                     msg_Warn( p_input,
 450                               "invalid current audio track, selecting 0" );
 451                     var_Set( p_input, "audio-es",
 452                              list.p_list->p_values[0] );
 453                     i = 0;
 454                 }
 455                 else if( i == i_count - 1 )
 456                 {
 457                     var_Set( p_input, "audio-es",
 458                              list.p_list->p_values[1] );
 459                     i = 1;
 460                 }
 461                 else
 462                 {
 463                     var_Set( p_input, "audio-es",
 464                              list.p_list->p_values[i+1] );
 465                     i++;
 466                 }
 467                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 468                                  _("Audio track: %s"),
 469                                  list2.p_list->p_values[i].psz_string );
 470             }
 471             else if( i_action == ACTIONID_SUBTITLE_TRACK )
 472             {
 473                 vlc_value_t val, list, list2;
 474                 int i_count, i;
 475                 var_Get( p_input, "spu-es", &val );
 476
 477                 var_Change( p_input, "spu-es", VLC_VAR_GETCHOICES,
 478                             &list, &list2 );
 479                 i_count = list.p_list->i_count;
 480                 if( i_count <= 1 )
 481                 {
 482                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Subtitle track: %s"), _("N/A") );
 483                     continue;
 484                 }
 485                 for( i = 0; i < i_count; i++ )
 486                 {
 487                     if( val.i_int == list.p_list->p_values[i].i_int )
 488                     {
 489                         break;
 490                     }
 491                 }
 492                 /* value of spu-es was not in choices list */
 493                 if( i == i_count )
 494                 {
 495                     msg_Warn( p_input, "invalid current subtitle track, selecting 0" );
 496                     var_Set( p_input, "spu-es", list.p_list->p_values[0] );
 497                     i = 0;
 498                 }
 499                 else if( i == i_count - 1 )
 500                 {
 501                     var_Set( p_input, "spu-es", list.p_list->p_values[0] );
 502                     i = 0;
 503                 }
 504                 else
 505                 {
 506                     var_Set( p_input, "spu-es", list.p_list->p_values[i+1] );
 507                     i = i + 1;
 508                 }
 509                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 510                                  _("Subtitle track: %s"),
 511                                  list2.p_list->p_values[i].psz_string );
 512             }
 513             else if( i_action == ACTIONID_NEXT )
 514             {
 515                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 516                                               FIND_ANYWHERE );
 517                 if( p_playlist )
 518                 {
 519                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Next") );
 520                     playlist_Next( p_playlist );
 521                     vlc_object_release( p_playlist );
 522                 }
 523             }
 524             else if( i_action == ACTIONID_PREV )
 525             {
 526                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 527                                               FIND_ANYWHERE );
 528                 if( p_playlist )
 529                 {
 530                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Previous") );
 531                     playlist_Prev( p_playlist );
 532                     vlc_object_release( p_playlist );
 533                 }
 534             }
 535             else if( i_action == ACTIONID_STOP )
 536             {
 537                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 538                                               FIND_ANYWHERE );
 539                 if( p_playlist )
 540                 {
 541                     playlist_Stop( p_playlist );
 542                     vlc_object_release( p_playlist );
 543                 }
 544             }
 545             else if( i_action == ACTIONID_FASTER )
 546             {
 547                 vlc_value_t val; val.b_bool = VLC_TRUE;
 548                 var_Set( p_input, "rate-faster", val );
 549                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Faster") );
 550             }
 551             else if( i_action == ACTIONID_SLOWER )
 552             {
 553                 vlc_value_t val; val.b_bool = VLC_TRUE;
 554                 var_Set( p_input, "rate-slower", val );
 555                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Slower") );
 556             }
 557             else if( i_action == ACTIONID_POSITION && b_seekable )
 558             {
 559                 DisplayPosition( p_intf, p_vout, p_input );
 560             }
 561             else if( i_action >= ACTIONID_PLAY_BOOKMARK1 &&
 562                      i_action <= ACTIONID_PLAY_BOOKMARK10 )
 563             {
 564                 PlayBookmark( p_intf, i_action - ACTIONID_PLAY_BOOKMARK1 + 1 );
 565             }
 566             else if( i_action >= ACTIONID_SET_BOOKMARK1 &&
 567                      i_action <= ACTIONID_SET_BOOKMARK10 )
 568             {
 569                 SetBookmark( p_intf, i_action - ACTIONID_SET_BOOKMARK1 + 1 );
 570             }
 571         }
 572     }
 573 }
 574
 575 static int GetKey( intf_thread_t *p_intf)
 576 {
 577     vlc_mutex_lock( &p_intf->p_sys->change_lock );
 578     if ( p_intf->p_sys->i_size == 0 )
 579     {
 580         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 581         return -1;
 582     }
 583     else
 584     {
 585         int i_return = p_intf->p_sys->p_keys[ 0 ];
 586         int i;
 587         p_intf->p_sys->i_size--;
 588         for ( i = 0; i < BUFFER_SIZE - 1; i++)
 589         {
 590             p_intf->p_sys->p_keys[ i ] = p_intf->p_sys->p_keys[ i + 1 ];
 591         }
 592         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 593         return i_return;
 594     }
 595 }
 596
 597 /*****************************************************************************
 598  * KeyEvent: callback for keyboard events
 599  *****************************************************************************/
 600 static int KeyEvent( vlc_object_t *p_this, char const *psz_var,
 601                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
 602 {
 603     intf_thread_t *p_intf = (intf_thread_t *)p_data;
 604     vlc_mutex_lock( &p_intf->p_sys->change_lock );
 605     if ( p_intf->p_sys->i_size == BUFFER_SIZE )
 606     {
 607         msg_Warn( p_intf, "event buffer full, dropping keypress" );
 608         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 609         return VLC_EGENERIC;
 610     }
 611     else
 612     {
 613         p_intf->p_sys->p_keys[ p_intf->p_sys->i_size ] = newval.i_int;
 614         p_intf->p_sys->i_size++;
 615     }
 616     vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 617
 618     return VLC_SUCCESS;
 619 }
 620
 621 static int ActionKeyCB( vlc_object_t *p_this, char const *psz_var,
 622                         vlc_value_t oldval, vlc_value_t newval, void *p_data )
 623 {
 624     vlc_t *p_vlc = (vlc_t *)p_this;
 625     struct hotkey *p_hotkeys = p_vlc->p_hotkeys;
 626     int i;
 627
 628     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 629     {
 630         if( !strcmp( p_hotkeys[i].psz_action, psz_var ) )
 631         {
 632             p_hotkeys[i].i_key = newval.i_int;
 633         }
 634     }
 635
 636     return VLC_SUCCESS;
 637 }
 638
 639 static void PlayBookmark( intf_thread_t *p_intf, int i_num )
 640 {
 641     vlc_value_t val;
 642     int i_position;
 643     char psz_bookmark_name[11];
 644     playlist_t *p_playlist =
 645         vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 646
 647     sprintf( psz_bookmark_name, "bookmark%i", i_num );
 648     var_Create( p_intf, psz_bookmark_name, VLC_VAR_STRING|VLC_VAR_DOINHERIT );
 649     var_Get( p_intf, psz_bookmark_name, &val );
 650
 651     if( p_playlist )
 652     {
 653         char *psz_bookmark = strdup( val.psz_string );
 654         for( i_position = 0; i_position < p_playlist->i_size; i_position++)
 655         {
 656             if( !strcmp( psz_bookmark,
 657                          p_playlist->pp_items[i_position]->input.psz_uri ) )
 658             {
 659                 playlist_Goto( p_playlist, i_position );
 660                 break;
 661             }
 662         }
 663         vlc_object_release( p_playlist );
 664     }
 665 }
 666
 667 static void SetBookmark( intf_thread_t *p_intf, int i_num )
 668 {
 669     vlc_value_t val;
 670     playlist_t *p_playlist =
 671         vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 672     if( p_playlist )
 673     {
 674         char psz_bookmark_name[11];
 675         sprintf( psz_bookmark_name, "bookmark%i", i_num );
 676         var_Create( p_intf, psz_bookmark_name,
 677                     VLC_VAR_STRING|VLC_VAR_DOINHERIT );
 678         val.psz_string = strdup( p_playlist->pp_items[p_playlist->i_index]->input.psz_uri );
 679         var_Set( p_intf, psz_bookmark_name, val );
 680         msg_Info( p_intf, "setting playlist bookmark %i to %s", i_num,
 681                   val.psz_string );
 682         vlc_object_release( p_playlist );
 683     }
 684 }
 685
 686 static void DisplayPosition( intf_thread_t *p_intf, vout_thread_t *p_vout,
 687                              input_thread_t *p_input )
 688 {
 689     char psz_duration[MSTRTIME_MAX_SIZE];
 690     char psz_time[MSTRTIME_MAX_SIZE];
 691     vlc_value_t time, pos;
 692     mtime_t i_seconds;
 693
 694     if( p_vout == NULL )
 695     {
 696         return;
 697     }
 698     ClearChannels( p_intf, p_vout );
 699
 700     var_Get( p_input, "time", &time );
 701     i_seconds = time.i_time / 1000000;
 702     secstotimestr ( psz_time, i_seconds );
 703
 704     var_Get( p_input, "length", &time );
 705     if( time.i_time > 0 )
 706     {
 707         secstotimestr( psz_duration, time.i_time / 1000000 );
 708         vout_OSDMessage( p_input, POSITION_TEXT_CHAN, "%s / %s",
 709                          psz_time, psz_duration );
 710     }
 711     else if( i_seconds > 0 )
 712     {
 713         vout_OSDMessage( p_input, POSITION_TEXT_CHAN, psz_time );
 714     }
 715
 716     if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
 717     {
 718         var_Get( p_input, "position", &pos );
 719         vout_OSDSlider( VLC_OBJECT( p_input ), POSITION_WIDGET_CHAN,
 720                         pos.f_float * 100, OSD_HOR_SLIDER );
 721     }
 722 }
 723
 724 static void DisplayVolume( intf_thread_t *p_intf, vout_thread_t *p_vout,
 725                            audio_volume_t i_vol )
 726 {
 727     if( p_vout == NULL )
 728     {
 729         return;
 730     }
 731     ClearChannels( p_intf, p_vout );
 732
 733     if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
 734     {
 735         vout_OSDSlider( VLC_OBJECT( p_vout ), VOLUME_WIDGET_CHAN,
 736             i_vol*100/AOUT_VOLUME_MAX, OSD_VERT_SLIDER );
 737     }
 738     else
 739     {
 740         vout_OSDMessage( p_vout, VOLUME_TEXT_CHAN, "Vol %d%%",
 741                          2*i_vol*100/AOUT_VOLUME_MAX );
 742     }
 743 }
 744
 745 static void ClearChannels( intf_thread_t *p_intf, vout_thread_t *p_vout )
 746 {
 747     int i;
 748
 749     if( p_vout )
 750     {
 751         spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR, DEFAULT_CHAN );
 752         for( i = 0; i < CHANNELS_NUMBER; i++ )
 753         {
 754             spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR,
 755                          p_intf->p_sys->p_channels[ i ] );
 756         }
 757     }
 758 }