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 Helberg <dnumgis@videolan.org>
   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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, 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 <vlc_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_("Define playlist bookmarks.")
  95
  96 vlc_module_begin();
  97     set_shortname( _("Hotkeys") );
  98     set_description( _("Hotkeys management interface") );
  99     set_capability( "interface", 0 );
 100     set_callbacks( Open, Close );
 101 vlc_module_end();
 102
 103 /*****************************************************************************
 104  * Open: initialize interface
 105  *****************************************************************************/
 106 static int Open( vlc_object_t *p_this )
 107 {
 108     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 109
 110     /* Allocate instance and initialize some members */
 111     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 112     if( p_intf->p_sys == NULL )
 113     {
 114         msg_Err( p_intf, "out of memory" );
 115         return 1;
 116     }
 117     vlc_mutex_init( p_intf, &p_intf->p_sys->change_lock );
 118     p_intf->p_sys->i_size = 0;
 119     p_intf->pf_run = Run;
 120
 121     p_intf->p_sys->p_input = NULL;
 122     p_intf->p_sys->p_vout = NULL;
 123
 124     var_AddCallback( p_intf->p_vlc, "key-pressed", KeyEvent, p_intf );
 125     return 0;
 126 }
 127
 128 /*****************************************************************************
 129  * Close: destroy interface
 130  *****************************************************************************/
 131 static void Close( vlc_object_t *p_this )
 132 {
 133     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 134
 135     var_DelCallback( p_intf->p_vlc, "key-pressed", KeyEvent, p_intf );
 136     if( p_intf->p_sys->p_input )
 137     {
 138         vlc_object_release( p_intf->p_sys->p_input );
 139     }
 140     if( p_intf->p_sys->p_vout )
 141     {
 142         vlc_object_release( p_intf->p_sys->p_vout );
 143     }
 144     /* Destroy structure */
 145     free( p_intf->p_sys );
 146 }
 147
 148 /*****************************************************************************
 149  * Run: main loop
 150  *****************************************************************************/
 151 static void Run( intf_thread_t *p_intf )
 152 {
 153     playlist_t *p_playlist = NULL;
 154     input_thread_t *p_input = NULL;
 155     vout_thread_t *p_vout = NULL;
 156     vout_thread_t *p_last_vout = NULL;
 157     struct hotkey *p_hotkeys = p_intf->p_vlc->p_hotkeys;
 158     vlc_value_t val;
 159     int i;
 160
 161     /* Initialize hotkey structure */
 162     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 163     {
 164         var_Create( p_intf->p_vlc, p_hotkeys[i].psz_action,
 165                     VLC_VAR_HOTKEY | VLC_VAR_DOINHERIT );
 166
 167         var_AddCallback( p_intf->p_vlc, p_hotkeys[i].psz_action,
 168                          ActionKeyCB, NULL );
 169         var_Get( p_intf->p_vlc, p_hotkeys[i].psz_action, &val );
 170         var_Set( p_intf->p_vlc, p_hotkeys[i].psz_action, val );
 171     }
 172
 173     while( !p_intf->b_die )
 174     {
 175         int i_key, i_action;
 176         int i_times = 0;
 177
 178         /* Sleep a bit */
 179         msleep( INTF_IDLE_SLEEP );
 180
 181         /* Update the input */
 182         if( p_intf->p_sys->p_input == NULL )
 183         {
 184             p_playlist = (playlist_t *)vlc_object_find( p_intf,
 185                                          VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 186             if( p_playlist )
 187             {
 188                 p_intf->p_sys->p_input = p_playlist->p_input;
 189                 if( p_intf->p_sys->p_input )
 190                     vlc_object_yield( p_intf->p_sys->p_input );
 191                 vlc_object_release( p_playlist );
 192             }
 193         }
 194         else if( p_intf->p_sys->p_input->b_dead )
 195         {
 196             vlc_object_release( p_intf->p_sys->p_input );
 197             p_intf->p_sys->p_input = NULL;
 198         }
 199         p_input = p_intf->p_sys->p_input;
 200
 201         /* Update the vout */
 202         p_last_vout = p_intf->p_sys->p_vout;
 203         if( p_vout == NULL )
 204         {
 205             p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
 206             p_intf->p_sys->p_vout = p_vout;
 207         }
 208         else if( p_vout->b_die )
 209         {
 210             vlc_object_release( p_vout );
 211             p_vout = NULL;
 212             p_intf->p_sys->p_vout = NULL;
 213         }
 214
 215         /* Register OSD channels */
 216         if( p_vout && p_vout != p_last_vout )
 217         {
 218             for( i = 0; i < CHANNELS_NUMBER; i++ )
 219             {
 220                 spu_Control( p_vout->p_spu, SPU_CHANNEL_REGISTER,
 221                              &p_intf->p_sys->p_channels[ i ] );
 222             }
 223         }
 224
 225         /* Find action triggered by hotkey */
 226         i_action = 0;
 227         i_key = GetKey( p_intf );
 228         for( i = 0; i_key != -1 && p_hotkeys[i].psz_action != NULL; i++ )
 229         {
 230             if( p_hotkeys[i].i_key == i_key )
 231             {
 232                 i_action = p_hotkeys[i].i_action;
 233                 i_times  = p_hotkeys[i].i_times;
 234                 /* times key pressed within max. delta time */
 235                 p_hotkeys[i].i_times = 0;
 236             }
 237         }
 238
 239         if( !i_action )
 240         {
 241             /* No key pressed, sleep a bit more */
 242             msleep( INTF_IDLE_SLEEP );
 243             continue;
 244         }
 245
 246         if( i_action == ACTIONID_QUIT )
 247         {
 248             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 249                                     FIND_ANYWHERE );
 250             if( p_playlist )
 251             {
 252                 playlist_Stop( p_playlist );
 253                 vlc_object_release( p_playlist );
 254             }
 255             /* Playlist is stopped now kill vlc. */
 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         else if( i_action == ACTIONID_INTF_SHOW )
 292         {
 293             val.b_bool = VLC_TRUE;
 294             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 295                                           FIND_ANYWHERE );
 296             if( p_playlist )
 297             {
 298                 var_Set( p_playlist, "intf-show", val );
 299                 vlc_object_release( p_playlist );
 300             }
 301         }
 302         else if( i_action == ACTIONID_INTF_HIDE )
 303         {
 304             val.b_bool = VLC_FALSE;
 305             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 306                                           FIND_ANYWHERE );
 307             if( p_playlist )
 308             {
 309                 var_Set( p_playlist, "intf-show", val );
 310                 vlc_object_release( p_playlist );
 311             }
 312         }
 313         else if( i_action == ACTIONID_SNAPSHOT )
 314         {
 315             if( p_vout ) vout_Control( p_vout, VOUT_SNAPSHOT );
 316         }
 317         else if( i_action == ACTIONID_FULLSCREEN )
 318         {
 319             if( p_vout )
 320             {
 321                 var_Get( p_vout, "fullscreen", &val );
 322                 val.b_bool = !val.b_bool;
 323                 var_Set( p_vout, "fullscreen", val );
 324             }
 325             else
 326             {
 327                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 328                                           FIND_ANYWHERE );
 329                 if( p_playlist )
 330                 {
 331                     var_Get( p_playlist, "fullscreen", &val );
 332                     val.b_bool = !val.b_bool;
 333                     var_Set( p_playlist, "fullscreen", val );
 334                     vlc_object_release( p_playlist );
 335                 }
 336             }
 337         }
 338         else if( i_action == ACTIONID_PLAY_PAUSE )
 339         {
 340             val.i_int = PLAYING_S;
 341             if( p_input )
 342             {
 343                 ClearChannels( p_intf, p_vout );
 344
 345                 var_Get( p_input, "state", &val );
 346                 if( val.i_int != PAUSE_S )
 347                 {
 348                     vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 349                                   OSD_PAUSE_ICON );
 350                     val.i_int = PAUSE_S;
 351                 }
 352                 else
 353                 {
 354                     vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 355                                   OSD_PLAY_ICON );
 356                     val.i_int = PLAYING_S;
 357                 }
 358                 var_Set( p_input, "state", val );
 359             }
 360             else
 361             {
 362                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 363                                               FIND_ANYWHERE );
 364                 if( p_playlist )
 365                 {
 366                     playlist_Play( p_playlist );
 367                     vlc_object_release( p_playlist );
 368                 }
 369             }
 370         }
 371         else if( p_input )
 372         {
 373             /* FIXME --fenrir
 374              * How to get a valid value ?
 375              * That's not that easy with some special stream
 376              */
 377             vlc_bool_t b_seekable = VLC_TRUE;
 378             int i_interval =0;
 379
 380             if( i_action == ACTIONID_PAUSE )
 381             {
 382                 ClearChannels( p_intf, p_vout );
 383                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 384                               OSD_PAUSE_ICON );
 385                 val.i_int = PAUSE_S;
 386                 var_Set( p_input, "state", val );
 387             }
 388             else if( i_action == ACTIONID_JUMP_BACKWARD_EXTRASHORT
 389                      && b_seekable )
 390             {
 391 #define SET_TIME( a, b ) \
 392     i_interval = config_GetInt( p_input, a "-jump-size" ); \
 393     if( i_interval > 0 ) { \
 394         val.i_time = ( (mtime_t)(i_interval * b) * 1000000L \
 395                        * ((mtime_t)(1 << i_times))); \
 396         var_Set( p_input, "time-offset", val ); \
 397         DisplayPosition( p_intf, p_vout, p_input ); \
 398     }
 399                 SET_TIME( "extrashort", -1 );
 400             }
 401             else if( i_action == ACTIONID_JUMP_FORWARD_EXTRASHORT && b_seekable )
 402             {
 403                 SET_TIME( "extrashort", 1 );
 404             }
 405             else if( i_action == ACTIONID_JUMP_BACKWARD_SHORT && b_seekable )
 406             {
 407                 SET_TIME( "short", -1 );
 408             }
 409             else if( i_action == ACTIONID_JUMP_FORWARD_SHORT && b_seekable )
 410             {
 411                 SET_TIME( "short", 1 );
 412             }
 413             else if( i_action == ACTIONID_JUMP_BACKWARD_MEDIUM && b_seekable )
 414             {
 415                 SET_TIME( "medium", -1 );
 416             }
 417             else if( i_action == ACTIONID_JUMP_FORWARD_MEDIUM && b_seekable )
 418             {
 419                 SET_TIME( "medium", 1 );
 420             }
 421             else if( i_action == ACTIONID_JUMP_BACKWARD_LONG && b_seekable )
 422             {
 423                 SET_TIME( "long", -1 );
 424             }
 425             else if( i_action == ACTIONID_JUMP_FORWARD_LONG && b_seekable )
 426             {
 427                 SET_TIME( "long", 1 );
 428 #undef SET_TIME
 429             }
 430             else if( i_action == ACTIONID_AUDIO_TRACK )
 431             {
 432                 vlc_value_t val, list, list2;
 433                 int i_count, i;
 434                 var_Get( p_input, "audio-es", &val );
 435                 var_Change( p_input, "audio-es", VLC_VAR_GETCHOICES,
 436                             &list, &list2 );
 437                 i_count = list.p_list->i_count;
 438                 if( i_count <= 1 )
 439                 {
 440                     continue;
 441                 }
 442                 for( i = 0; i < i_count; i++ )
 443                 {
 444                     if( val.i_int == list.p_list->p_values[i].i_int )
 445                     {
 446                         break;
 447                     }
 448                 }
 449                 /* value of audio-es was not in choices list */
 450                 if( i == i_count )
 451                 {
 452                     msg_Warn( p_input,
 453                               "invalid current audio track, selecting 0" );
 454                     var_Set( p_input, "audio-es",
 455                              list.p_list->p_values[0] );
 456                     i = 0;
 457                 }
 458                 else if( i == i_count - 1 )
 459                 {
 460                     var_Set( p_input, "audio-es",
 461                              list.p_list->p_values[1] );
 462                     i = 1;
 463                 }
 464                 else
 465                 {
 466                     var_Set( p_input, "audio-es",
 467                              list.p_list->p_values[i+1] );
 468                     i++;
 469                 }
 470                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 471                                  _("Audio track: %s"),
 472                                  list2.p_list->p_values[i].psz_string );
 473             }
 474             else if( i_action == ACTIONID_SUBTITLE_TRACK )
 475             {
 476                 vlc_value_t val, list, list2;
 477                 int i_count, i;
 478                 var_Get( p_input, "spu-es", &val );
 479
 480                 var_Change( p_input, "spu-es", VLC_VAR_GETCHOICES,
 481                             &list, &list2 );
 482                 i_count = list.p_list->i_count;
 483                 if( i_count <= 1 )
 484                 {
 485                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 486                                      _("Subtitle track: %s"), _("N/A") );
 487                     continue;
 488                 }
 489                 for( i = 0; i < i_count; i++ )
 490                 {
 491                     if( val.i_int == list.p_list->p_values[i].i_int )
 492                     {
 493                         break;
 494                     }
 495                 }
 496                 /* value of spu-es was not in choices list */
 497                 if( i == i_count )
 498                 {
 499                     msg_Warn( p_input,
 500                               "invalid current subtitle track, selecting 0" );
 501                     var_Set( p_input, "spu-es", list.p_list->p_values[0] );
 502                     i = 0;
 503                 }
 504                 else if( i == i_count - 1 )
 505                 {
 506                     var_Set( p_input, "spu-es", list.p_list->p_values[0] );
 507                     i = 0;
 508                 }
 509                 else
 510                 {
 511                     var_Set( p_input, "spu-es", list.p_list->p_values[i+1] );
 512                     i = i + 1;
 513                 }
 514                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 515                                  _("Subtitle track: %s"),
 516                                  list2.p_list->p_values[i].psz_string );
 517             }
 518             else if( i_action == ACTIONID_ASPECT_RATIO && p_vout )
 519             {
 520                 vlc_value_t val={0}, val_list, text_list;
 521                 var_Get( p_vout, "aspect-ratio", &val );
 522                 if( var_Change( p_vout, "aspect-ratio", VLC_VAR_GETLIST,
 523                                 &val_list, &text_list ) >= 0 )
 524                 {
 525                     int i;
 526                     for( i = 0; i < val_list.p_list->i_count; i++ )
 527                     {
 528                         if( !strcmp( val_list.p_list->p_values[i].psz_string,
 529                                      val.psz_string ) )
 530                         {
 531                             i++;
 532                             break;
 533                         }
 534                     }
 535                     if( i == val_list.p_list->i_count ) i = 0;
 536                     var_SetString( p_vout, "aspect-ratio",
 537                                    val_list.p_list->p_values[i].psz_string );
 538                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 539                                      _("Aspect ratio: %s"),
 540                                      text_list.p_list->p_values[i].psz_string );
 541                 }
 542                 free( val.psz_string );
 543             }
 544             else if( i_action == ACTIONID_CROP && p_vout )
 545             {
 546                 vlc_value_t val={0}, val_list, text_list;
 547                 var_Get( p_vout, "crop", &val );
 548                 if( var_Change( p_vout, "crop", VLC_VAR_GETLIST,
 549                                 &val_list, &text_list ) >= 0 )
 550                 {
 551                     int i;
 552                     for( i = 0; i < val_list.p_list->i_count; i++ )
 553                     {
 554                         if( !strcmp( val_list.p_list->p_values[i].psz_string,
 555                                      val.psz_string ) )
 556                         {
 557                             i++;
 558                             break;
 559                         }
 560                     }
 561                     if( i == val_list.p_list->i_count ) i = 0;
 562                     var_SetString( p_vout, "crop",
 563                                    val_list.p_list->p_values[i].psz_string );
 564                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 565                                      _("Crop: %s"),
 566                                      text_list.p_list->p_values[i].psz_string );
 567                 }
 568                 free( val.psz_string );
 569             }
 570             else if( i_action == ACTIONID_DEINTERLACE && p_vout )
 571             {
 572                 vlc_value_t val={0}, val_list, text_list;
 573                 var_Get( p_vout, "deinterlace", &val );
 574                 if( var_Change( p_vout, "deinterlace", VLC_VAR_GETLIST,
 575                                 &val_list, &text_list ) >= 0 )
 576                 {
 577                     int i;
 578                     for( i = 0; i < val_list.p_list->i_count; i++ )
 579                     {
 580                         if( !strcmp( val_list.p_list->p_values[i].psz_string,
 581                                      val.psz_string ) )
 582                         {
 583                             i++;
 584                             break;
 585                         }
 586                     }
 587                     if( i == val_list.p_list->i_count ) i = 0;
 588                     var_SetString( p_vout, "deinterlace",
 589                                    val_list.p_list->p_values[i].psz_string );
 590                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 591                                      _("Deinterlace mode: %s"),
 592                                      text_list.p_list->p_values[i].psz_string );
 593                 }
 594                 free( val.psz_string );
 595             }
 596             else if( ( i_action == ACTIONID_ZOOM || i_action == ACTIONID_UNZOOM ) && p_vout )
 597             {
 598                 vlc_value_t val={0}, val_list, text_list;
 599                 var_Get( p_vout, "zoom", &val );
 600                 if( var_Change( p_vout, "zoom", VLC_VAR_GETLIST,
 601                                 &val_list, &text_list ) >= 0 )
 602                 {
 603                     int i;
 604                     for( i = 0; i < val_list.p_list->i_count; i++ )
 605                     {
 606                         if( val_list.p_list->p_values[i].f_float
 607                            == val.f_float )
 608                         {
 609                             if( i_action == ACTIONID_ZOOM )
 610                                 i++;
 611                             else /* ACTIONID_UNZOOM */
 612                                 i--;
 613                             break;
 614                         }
 615                     }
 616                     if( i == val_list.p_list->i_count ) i = 0;
 617                     if( i == -1 ) i = val_list.p_list->i_count-1;
 618                     var_SetFloat( p_vout, "zoom",
 619                                   val_list.p_list->p_values[i].f_float );
 620                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 621                                      _("Zoom mode: %s"),
 622                                 text_list.p_list->p_values[i].var.psz_name );
 623                 }
 624             }
 625             else if( i_action == ACTIONID_CROP_TOP && p_vout )
 626             {
 627                 int i_val = var_GetInteger( p_vout, "crop-top" );
 628                 var_SetInteger( p_vout, "crop-top", i_val+1 );
 629             }
 630             else if( i_action == ACTIONID_UNCROP_TOP && p_vout )
 631             {
 632                 int i_val = var_GetInteger( p_vout, "crop-top" );
 633                 if( i_val != 0 )
 634                     var_SetInteger( p_vout, "crop-top", i_val-1 );
 635             }
 636             else if( i_action == ACTIONID_CROP_BOTTOM && p_vout )
 637             {
 638                 int i_val = var_GetInteger( p_vout, "crop-bottom" );
 639                 var_SetInteger( p_vout, "crop-bottom", i_val+1 );
 640             }
 641             else if( i_action == ACTIONID_UNCROP_BOTTOM && p_vout )
 642             {
 643                 int i_val = var_GetInteger( p_vout, "crop-bottom" );
 644                 if( i_val != 0 )
 645                     var_SetInteger( p_vout, "crop-bottom", i_val-1 );
 646             }
 647             else if( i_action == ACTIONID_CROP_LEFT && p_vout )
 648             {
 649                 int i_val = var_GetInteger( p_vout, "crop-left" );
 650                 var_SetInteger( p_vout, "crop-left", i_val+1 );
 651             }
 652             else if( i_action == ACTIONID_UNCROP_LEFT && p_vout )
 653             {
 654                 int i_val = var_GetInteger( p_vout, "crop-left" );
 655                 if( i_val != 0 )
 656                     var_SetInteger( p_vout, "crop-left", i_val-1 );
 657             }
 658             else if( i_action == ACTIONID_CROP_RIGHT && p_vout )
 659             {
 660                 int i_val = var_GetInteger( p_vout, "crop-right" );
 661                 var_SetInteger( p_vout, "crop-right", i_val+1 );
 662             }
 663             else if( i_action == ACTIONID_UNCROP_RIGHT && p_vout )
 664             {
 665                 int i_val = var_GetInteger( p_vout, "crop-right" );
 666                 if( i_val != 0 )
 667                     var_SetInteger( p_vout, "crop-right", i_val-1 );
 668             }
 669             else if( i_action == ACTIONID_NEXT )
 670             {
 671                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 672                                               FIND_ANYWHERE );
 673                 if( p_playlist )
 674                 {
 675                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 676                                      _("Next") );
 677                     playlist_Next( p_playlist );
 678                     vlc_object_release( p_playlist );
 679                 }
 680             }
 681             else if( i_action == ACTIONID_PREV )
 682             {
 683                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 684                                               FIND_ANYWHERE );
 685                 if( p_playlist )
 686                 {
 687                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 688                                      _("Previous") );
 689                     playlist_Prev( p_playlist );
 690                     vlc_object_release( p_playlist );
 691                 }
 692             }
 693             else if( i_action == ACTIONID_STOP )
 694             {
 695                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 696                                               FIND_ANYWHERE );
 697                 if( p_playlist )
 698                 {
 699                     playlist_Stop( p_playlist );
 700                     vlc_object_release( p_playlist );
 701                 }
 702             }
 703             else if( i_action == ACTIONID_FASTER )
 704             {
 705                 vlc_value_t val;
 706                 val.b_bool = VLC_TRUE;
 707                 var_Set( p_input, "rate-faster", val );
 708                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 709                                  _("Faster") );
 710             }
 711             else if( i_action == ACTIONID_SLOWER )
 712             {
 713                 vlc_value_t val;
 714                 val.b_bool = VLC_TRUE;
 715                 var_Set( p_input, "rate-slower", val );
 716                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
 717                                  _("Slower") );
 718             }
 719             else if( i_action == ACTIONID_POSITION && b_seekable )
 720             {
 721                 DisplayPosition( p_intf, p_vout, p_input );
 722             }
 723             else if( i_action >= ACTIONID_PLAY_BOOKMARK1 &&
 724                      i_action <= ACTIONID_PLAY_BOOKMARK10 )
 725             {
 726                 PlayBookmark( p_intf, i_action - ACTIONID_PLAY_BOOKMARK1 + 1 );
 727             }
 728             else if( i_action >= ACTIONID_SET_BOOKMARK1 &&
 729                      i_action <= ACTIONID_SET_BOOKMARK10 )
 730             {
 731                 SetBookmark( p_intf, i_action - ACTIONID_SET_BOOKMARK1 + 1 );
 732             }
 733             /* Only makes sense with DVD */
 734             else if( i_action == ACTIONID_TITLE_PREV )
 735             {
 736                 val.b_bool = VLC_TRUE;
 737                 var_Set( p_input, "prev-title", val );
 738             }
 739             else if( i_action == ACTIONID_TITLE_NEXT )
 740             {
 741                 val.b_bool = VLC_TRUE;
 742                 var_Set( p_input, "next-title", val );
 743             }
 744             else if( i_action == ACTIONID_CHAPTER_PREV )
 745             {
 746                 val.b_bool = VLC_TRUE;
 747                 var_Set( p_input, "prev-chapter", val );
 748             }
 749             else if( i_action == ACTIONID_CHAPTER_NEXT )
 750             {
 751                 val.b_bool = VLC_TRUE;
 752                 var_Set( p_input, "next-chapter", val );
 753             }
 754             else if( i_action == ACTIONID_DISC_MENU )
 755             {
 756                 vlc_value_t val; val.i_int = 2;
 757                 var_Set( p_input, "title  0", val);
 758             }
 759             else if( i_action == ACTIONID_SUBDELAY_DOWN )
 760             {
 761                 int64_t i_delay = var_GetTime( p_input, "spu-delay" );
 762
 763                 i_delay -= 50000;    /* 50 ms */
 764
 765                 var_SetTime( p_input, "spu-delay", i_delay );
 766                 ClearChannels( p_intf, p_vout );
 767                 vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
 768                                  (int)(i_delay/1000) );
 769             }
 770             else if( i_action == ACTIONID_SUBDELAY_UP )
 771             {
 772                 int64_t i_delay = var_GetTime( p_input, "spu-delay" );
 773
 774                 i_delay += 50000;    /* 50 ms */
 775
 776                 var_SetTime( p_input, "spu-delay", i_delay );
 777                 ClearChannels( p_intf, p_vout );
 778                 vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
 779                                  (int)(i_delay/1000) );
 780             }
 781             else if( i_action == ACTIONID_AUDIODELAY_DOWN )
 782             {
 783                 int64_t i_delay = var_GetTime( p_input, "audio-delay" );
 784
 785                 i_delay -= 50000;    /* 50 ms */
 786
 787                 var_SetTime( p_input, "audio-delay", i_delay );
 788                 ClearChannels( p_intf, p_vout );
 789                 vout_OSDMessage( p_intf, DEFAULT_CHAN, "Audio delay %i ms",
 790                                  (int)(i_delay/1000) );
 791             }
 792             else if( i_action == ACTIONID_AUDIODELAY_UP )
 793             {
 794                 int64_t i_delay = var_GetTime( p_input, "audio-delay" );
 795
 796                 i_delay += 50000;    /* 50 ms */
 797
 798                 var_SetTime( p_input, "audio-delay", i_delay );
 799                 ClearChannels( p_intf, p_vout );
 800                 vout_OSDMessage( p_intf, DEFAULT_CHAN, "Audio delay %i ms",
 801                                  (int)(i_delay/1000) );
 802             }
 803             else if( i_action == ACTIONID_PLAY )
 804             {
 805                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 806                                               FIND_ANYWHERE );
 807                 if( p_playlist )
 808                 {
 809                     var_Get( p_input, "rate", &val );
 810                     msg_Dbg( p_input, "rate %d", val.i_int );
 811                     if( val.i_int != INPUT_RATE_DEFAULT )
 812                     {
 813                         /* Return to normal speed */
 814                         val.i_int = INPUT_RATE_DEFAULT;
 815                         var_Set( p_input, "rate", val );
 816                     }
 817                     else
 818                     {
 819                         ClearChannels( p_intf, p_vout );
 820                         vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
 821                                       OSD_PAUSE_ICON );
 822                         playlist_Play( p_playlist );
 823                     }
 824                     vlc_object_release( p_playlist );
 825                 }
 826             }
 827         }
 828     }
 829 }
 830
 831 static int GetKey( intf_thread_t *p_intf)
 832 {
 833     vlc_mutex_lock( &p_intf->p_sys->change_lock );
 834     if ( p_intf->p_sys->i_size == 0 )
 835     {
 836         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 837         return -1;
 838     }
 839     else
 840     {
 841         int i_return = p_intf->p_sys->p_keys[ 0 ];
 842         int i;
 843         p_intf->p_sys->i_size--;
 844         for ( i = 0; i < BUFFER_SIZE - 1; i++)
 845         {
 846             p_intf->p_sys->p_keys[ i ] = p_intf->p_sys->p_keys[ i + 1 ];
 847         }
 848         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 849         return i_return;
 850     }
 851 }
 852
 853 /*****************************************************************************
 854  * KeyEvent: callback for keyboard events
 855  *****************************************************************************/
 856 static int KeyEvent( vlc_object_t *p_this, char const *psz_var,
 857                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
 858 {
 859     intf_thread_t *p_intf = (intf_thread_t *)p_data;
 860     vlc_mutex_lock( &p_intf->p_sys->change_lock );
 861     if ( p_intf->p_sys->i_size == BUFFER_SIZE )
 862     {
 863         msg_Warn( p_intf, "event buffer full, dropping keypress" );
 864         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 865         return VLC_EGENERIC;
 866     }
 867     else
 868     {
 869         p_intf->p_sys->p_keys[ p_intf->p_sys->i_size ] = newval.i_int;
 870         p_intf->p_sys->i_size++;
 871     }
 872     vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 873
 874     return VLC_SUCCESS;
 875 }
 876
 877 static int ActionKeyCB( vlc_object_t *p_this, char const *psz_var,
 878                         vlc_value_t oldval, vlc_value_t newval, void *p_data )
 879 {
 880     vlc_t *p_vlc = (vlc_t *)p_this;
 881     struct hotkey *p_hotkeys = p_vlc->p_hotkeys;
 882     mtime_t i_date;
 883     int i;
 884
 885     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 886     {
 887         if( !strcmp( p_hotkeys[i].psz_action, psz_var ) )
 888         {
 889             p_hotkeys[i].i_key = newval.i_int;
 890             /* do hotkey accounting */
 891             i_date = mdate();
 892             if( (p_hotkeys[i].i_delta_date > 0) &&
 893                 (p_hotkeys[i].i_delta_date <= (i_date - p_hotkeys[i].i_last_date) ) )
 894                 p_hotkeys[i].i_times = 0;
 895             else
 896                 p_hotkeys[i].i_times++;
 897             p_hotkeys[i].i_last_date = i_date;
 898         }
 899     }
 900
 901     return VLC_SUCCESS;
 902 }
 903
 904 static void PlayBookmark( intf_thread_t *p_intf, int i_num )
 905 {
 906     vlc_value_t val;
 907     int i;
 908     char psz_bookmark_name[11];
 909     playlist_t *p_playlist =
 910         vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 911
 912     sprintf( psz_bookmark_name, "bookmark%i", i_num );
 913     var_Create( p_intf, psz_bookmark_name, VLC_VAR_STRING|VLC_VAR_DOINHERIT );
 914     var_Get( p_intf, psz_bookmark_name, &val );
 915
 916     if( p_playlist )
 917     {
 918         char *psz_bookmark = strdup( val.psz_string );
 919         for( i = 0; i < p_playlist->pp_all_items; i++)
 920         {
 921             if( !strcmp( psz_bookmark,
 922                          p_playlist->pp_items[i]->p_input->psz_uri ) )
 923             {
 924                 playlist_LockControl( p_playlist, PLAYLIST_ITEMPLAY,
 925                                       p_playlist->pp_items[i] );
 926                 break;
 927             }
 928         }
 929         vlc_object_release( p_playlist );
 930     }
 931 }
 932
 933 static void SetBookmark( intf_thread_t *p_intf, int i_num )
 934 {
 935     playlist_t *p_playlist =
 936         vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 937     if( p_playlist )
 938     {
 939         char psz_bookmark_name[11];
 940         sprintf( psz_bookmark_name, "bookmark%i", i_num );
 941         var_Create( p_intf, psz_bookmark_name,
 942                     VLC_VAR_STRING|VLC_VAR_DOINHERIT );
 943         if( p_playlist->status.p_item )
 944         {
 945             config_PutPsz( p_intf, psz_bookmark_name,
 946                            p_playlist->status.p_item->p_input->psz_uri);
 947             msg_Info( p_intf, "setting playlist bookmark %i to %s", i_num,
 948                            p_playlist->status.p_item->p_input->psz_uri);
 949             config_SaveConfigFile( p_intf, "hotkeys" );
 950         }
 951         vlc_object_release( p_playlist );
 952     }
 953 }
 954
 955 static void DisplayPosition( intf_thread_t *p_intf, vout_thread_t *p_vout,
 956                              input_thread_t *p_input )
 957 {
 958     char psz_duration[MSTRTIME_MAX_SIZE];
 959     char psz_time[MSTRTIME_MAX_SIZE];
 960     vlc_value_t time, pos;
 961     mtime_t i_seconds;
 962
 963     if( p_vout == NULL )
 964     {
 965         return;
 966     }
 967     ClearChannels( p_intf, p_vout );
 968
 969     var_Get( p_input, "time", &time );
 970     i_seconds = time.i_time / 1000000;
 971     secstotimestr ( psz_time, i_seconds );
 972
 973     var_Get( p_input, "length", &time );
 974     if( time.i_time > 0 )
 975     {
 976         secstotimestr( psz_duration, time.i_time / 1000000 );
 977         vout_OSDMessage( p_input, POSITION_TEXT_CHAN, "%s / %s",
 978                          psz_time, psz_duration );
 979     }
 980     else if( i_seconds > 0 )
 981     {
 982         vout_OSDMessage( p_input, POSITION_TEXT_CHAN, psz_time );
 983     }
 984
 985     if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
 986     {
 987         var_Get( p_input, "position", &pos );
 988         vout_OSDSlider( VLC_OBJECT( p_input ), POSITION_WIDGET_CHAN,
 989                         pos.f_float * 100, OSD_HOR_SLIDER );
 990     }
 991 }
 992
 993 static void DisplayVolume( intf_thread_t *p_intf, vout_thread_t *p_vout,
 994                            audio_volume_t i_vol )
 995 {
 996     if( p_vout == NULL )
 997     {
 998         return;
 999     }
1000     ClearChannels( p_intf, p_vout );
1001
1002     if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
1003     {
1004         vout_OSDSlider( VLC_OBJECT( p_vout ), VOLUME_WIDGET_CHAN,
1005             i_vol*100/AOUT_VOLUME_MAX, OSD_VERT_SLIDER );
1006     }
1007     else
1008     {
1009         vout_OSDMessage( p_vout, VOLUME_TEXT_CHAN, "Volume %d%%",
1010                          i_vol*400/AOUT_VOLUME_MAX );
1011     }
1012 }
1013
1014 static void ClearChannels( intf_thread_t *p_intf, vout_thread_t *p_vout )
1015 {
1016     int i;
1017
1018     if( p_vout )
1019     {
1020         spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR, DEFAULT_CHAN );
1021         for( i = 0; i < CHANNELS_NUMBER; i++ )
1022         {
1023             spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR,
1024                          p_intf->p_sys->p_channels[ i ] );
1025         }
1026     }
1027 }