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: hotkeys.c,v 1.16 2004/01/25 16:17:03 anil Exp $
   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  * intf_sys_t: description and status of FB interface
  41  *****************************************************************************/
  42 struct intf_sys_t
  43 {
  44     vlc_mutex_t         change_lock;  /* mutex to keep the callback
  45                                        * and the main loop from
  46                                        * stepping on each others
  47                                        * toes */
  48     int                 p_keys[ BUFFER_SIZE ]; /* buffer that contains
  49                                                 * keyevents */
  50     int                 i_size;        /* number of events in buffer */
  51     input_thread_t *    p_input;       /* pointer to input */
  52     vout_thread_t *     p_vout;        /* pointer to vout object */
  53 };
  54
  55 /*****************************************************************************
  56  * Local prototypes
  57  *****************************************************************************/
  58 static int  Open    ( vlc_object_t * );
  59 static void Close   ( vlc_object_t * );
  60 static void Run     ( intf_thread_t * );
  61 static int  GetKey  ( intf_thread_t *);
  62 static int  KeyEvent( vlc_object_t *, char const *,
  63                       vlc_value_t, vlc_value_t, void * );
  64 static int  ActionKeyCB( vlc_object_t *, char const *,
  65                          vlc_value_t, vlc_value_t, void * );
  66 static void PlayBookmark( intf_thread_t *, int );
  67 static void SetBookmark ( intf_thread_t *, int );
  68
  69 /*****************************************************************************
  70  * Module descriptor
  71  *****************************************************************************/
  72 #define BOOKMARK1_TEXT N_("Playlist bookmark 1")
  73 #define BOOKMARK2_TEXT N_("Playlist bookmark 2")
  74 #define BOOKMARK3_TEXT N_("Playlist bookmark 3")
  75 #define BOOKMARK4_TEXT N_("Playlist bookmark 4")
  76 #define BOOKMARK5_TEXT N_("Playlist bookmark 5")
  77 #define BOOKMARK6_TEXT N_("Playlist bookmark 6")
  78 #define BOOKMARK7_TEXT N_("Playlist bookmark 7")
  79 #define BOOKMARK8_TEXT N_("Playlist bookmark 8")
  80 #define BOOKMARK9_TEXT N_("Playlist bookmark 9")
  81 #define BOOKMARK10_TEXT N_("Playlist bookmark 10")
  82 #define BOOKMARK_LONGTEXT N_( \
  83     "This option allows you to define playlist bookmarks.")
  84
  85 vlc_module_begin();
  86     set_description( _("Hotkeys management interface") );
  87     add_string( "bookmark1", NULL, NULL,
  88                 BOOKMARK1_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
  89     add_string( "bookmark2", NULL, NULL,
  90                 BOOKMARK2_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
  91     add_string( "bookmark3", NULL, NULL,
  92                 BOOKMARK3_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
  93     add_string( "bookmark4", NULL, NULL,
  94                 BOOKMARK4_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
  95     add_string( "bookmark5", NULL, NULL,
  96                 BOOKMARK5_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
  97     add_string( "bookmark6", NULL, NULL,
  98                 BOOKMARK6_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
  99     add_string( "bookmark7", NULL, NULL,
 100                 BOOKMARK7_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 101     add_string( "bookmark8", NULL, NULL,
 102                 BOOKMARK8_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 103     add_string( "bookmark9", NULL, NULL,
 104                 BOOKMARK9_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 105     add_string( "bookmark10", NULL, NULL,
 106                 BOOKMARK10_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
 107
 108     set_capability( "interface", 0 );
 109     set_callbacks( Open, Close );
 110 vlc_module_end();
 111
 112 /*****************************************************************************
 113  * Open: initialize interface
 114  *****************************************************************************/
 115 static int Open( vlc_object_t *p_this )
 116 {
 117     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 118
 119     /* Allocate instance and initialize some members */
 120     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
 121     if( p_intf->p_sys == NULL )
 122     {
 123         msg_Err( p_intf, "out of memory" );
 124         return 1;
 125     }
 126     vlc_mutex_init( p_intf, &p_intf->p_sys->change_lock );
 127     p_intf->p_sys->i_size = 0;
 128     p_intf->pf_run = Run;
 129
 130     p_intf->p_sys->p_input = NULL;
 131     p_intf->p_sys->p_vout = NULL;
 132
 133     var_AddCallback( p_intf->p_vlc, "key-pressed", KeyEvent, p_intf );
 134     return 0;
 135 }
 136
 137 /*****************************************************************************
 138  * Close: destroy interface
 139  *****************************************************************************/
 140 static void Close( vlc_object_t *p_this )
 141 {
 142     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 143
 144     if( p_intf->p_sys->p_input )
 145     {
 146         vlc_object_release( p_intf->p_sys->p_input );
 147     }
 148     if( p_intf->p_sys->p_vout )
 149     {
 150         vlc_object_release( p_intf->p_sys->p_vout );
 151     }
 152     /* Destroy structure */
 153     free( p_intf->p_sys );
 154 }
 155
 156 /*****************************************************************************
 157  * Run: main loop
 158  *****************************************************************************/
 159 static void Run( intf_thread_t *p_intf )
 160 {
 161     playlist_t *p_playlist;
 162     input_thread_t *p_input;
 163     vout_thread_t *p_vout = NULL;
 164     struct hotkey *p_hotkeys = p_intf->p_vlc->p_hotkeys;
 165     vlc_value_t val;
 166     int i;
 167
 168     /* Initialize hotkey structure */
 169     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 170     {
 171         var_Create( p_intf->p_vlc, p_hotkeys[i].psz_action,
 172                     VLC_VAR_HOTKEY | VLC_VAR_DOINHERIT );
 173
 174         var_AddCallback( p_intf->p_vlc, p_hotkeys[i].psz_action,
 175                          ActionKeyCB, NULL );
 176         var_Get( p_intf->p_vlc, p_hotkeys[i].psz_action, &val );
 177         var_Set( p_intf->p_vlc, p_hotkeys[i].psz_action, val );
 178     }
 179
 180     while( !p_intf->b_die )
 181     {
 182         int i_key, i_action;
 183
 184         /* Sleep a bit */
 185         msleep( INTF_IDLE_SLEEP );
 186
 187         /* Update the input */
 188         if( p_intf->p_sys->p_input == NULL )
 189         {
 190             p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 191                                                       FIND_ANYWHERE );
 192         }
 193         else if( p_intf->p_sys->p_input->b_dead )
 194         {
 195             vlc_object_release( p_intf->p_sys->p_input );
 196             p_intf->p_sys->p_input = NULL;
 197         }
 198         p_input = p_intf->p_sys->p_input;
 199
 200         /* Update the vout */
 201         if( p_vout == NULL )
 202         {
 203             p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
 204                                       FIND_ANYWHERE );
 205             p_intf->p_sys->p_vout = p_vout;
 206         }
 207         else if( p_vout->b_die )
 208         {
 209             vlc_object_release( p_vout );
 210             p_vout = NULL;
 211             p_intf->p_sys->p_vout = NULL;
 212         }
 213
 214         /* Find action triggered by hotkey */
 215         i_action = 0;
 216         i_key = GetKey( p_intf );
 217         for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 218         {
 219             if( p_hotkeys[i].i_key == i_key )
 220             {
 221                  i_action = p_hotkeys[i].i_action;
 222             }
 223         }
 224
 225         if( !i_action )
 226         {
 227             /* No key pressed, sleep a bit more */
 228             msleep( INTF_IDLE_SLEEP );
 229             continue;
 230         }
 231
 232         if( i_action == ACTIONID_QUIT )
 233         {
 234             p_intf->p_vlc->b_die = VLC_TRUE;
 235             vout_OSDMessage( VLC_OBJECT(p_intf), _( "Quit" ) );
 236             continue;
 237         }
 238         else if( i_action == ACTIONID_VOL_UP )
 239         {
 240             audio_volume_t i_newvol;
 241             char string[9];
 242             aout_VolumeUp( p_intf, 1, &i_newvol );
 243             sprintf( string, "Vol %d%%", i_newvol*100/AOUT_VOLUME_MAX );
 244             vout_OSDMessage( VLC_OBJECT(p_intf), string );
 245         }
 246         else if( i_action == ACTIONID_VOL_DOWN )
 247         {
 248             audio_volume_t i_newvol;
 249             char string[9];
 250             aout_VolumeDown( p_intf, 1, &i_newvol );
 251             sprintf( string, "Vol %d%%", i_newvol*100/AOUT_VOLUME_MAX );
 252             vout_OSDMessage( VLC_OBJECT(p_intf), string );
 253         }
 254         else if( i_action == ACTIONID_VOL_MUTE )
 255         {
 256             audio_volume_t i_newvol = -1;
 257             aout_VolumeMute( p_intf, &i_newvol );
 258             if( i_newvol == 0 )
 259             {
 260                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Mute" ) );
 261             }
 262             else
 263             {
 264                 char string[9];
 265                 sprintf( string, "Vol %d%%", i_newvol*100/AOUT_VOLUME_MAX );
 266                 vout_OSDMessage( VLC_OBJECT(p_intf), string );
 267             }
 268         }
 269         else if( i_action == ACTIONID_FULLSCREEN )
 270         {
 271             if( p_vout )
 272             {
 273                 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 274             }
 275         }
 276         else if( i_action == ACTIONID_PLAY )
 277         {
 278             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 279                                           FIND_ANYWHERE );
 280             if( p_playlist )
 281             {
 282                 vlc_mutex_lock( &p_playlist->object_lock );
 283                 if( p_playlist->i_size )
 284                 {
 285                     vlc_mutex_unlock( &p_playlist->object_lock );
 286                     playlist_Play( p_playlist );
 287                     vlc_object_release( p_playlist );
 288                 }
 289             }
 290         }
 291         else if( i_action == ACTIONID_PLAY_PAUSE )
 292         {
 293             val.i_int = PLAYING_S;
 294             if( p_input )
 295             {
 296                 var_Get( p_input, "state", &val );
 297             }
 298             if( p_input && val.i_int != PAUSE_S )
 299             {
 300                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Pause" ) );
 301                 val.i_int = PAUSE_S;
 302                 var_Set( p_input, "state", val );
 303             }
 304             else
 305             {
 306                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 307                                               FIND_ANYWHERE );
 308                 if( p_playlist )
 309                 {
 310                     vlc_mutex_lock( &p_playlist->object_lock );
 311                     if( p_playlist->i_size )
 312                     {
 313                         vlc_mutex_unlock( &p_playlist->object_lock );
 314                         vout_OSDMessage( VLC_OBJECT(p_intf), _( "Play" ) );
 315                         playlist_Play( p_playlist );
 316                         vlc_object_release( p_playlist );
 317                     }
 318                 }
 319             }
 320         }
 321         else if( p_input )
 322         {
 323             if( i_action == ACTIONID_PAUSE )
 324             {
 325                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Pause" ) );
 326                 val.i_int = PAUSE_S;
 327                 var_Set( p_input, "state", val );
 328             }
 329             else if( i_action == ACTIONID_JUMP_BACKWARD_10SEC )
 330             {
 331                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Jump -10 seconds" ) );
 332                 val.i_time = -10000000;
 333                 var_Set( p_input, "time-offset", val );
 334             }
 335             else if( i_action == ACTIONID_JUMP_FORWARD_10SEC )
 336             {
 337                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Jump +10 seconds" ) );
 338                 val.i_time = 10000000;
 339                 var_Set( p_input, "time-offset", val );
 340             }
 341             else if( i_action == ACTIONID_JUMP_BACKWARD_1MIN )
 342             {
 343                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Jump -1 minute" ) );
 344                 val.i_time = -60000000;
 345                 var_Set( p_input, "time-offset", val );
 346             }
 347             else if( i_action == ACTIONID_JUMP_FORWARD_1MIN )
 348             {
 349                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Jump +1 minute" ) );
 350                 val.i_time = 60000000;
 351                 var_Set( p_input, "time-offset", val );
 352             }
 353             else if( i_action == ACTIONID_JUMP_BACKWARD_5MIN )
 354             {
 355                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Jump -5 minutes" ) );
 356                 val.i_time = -300000000;
 357                 var_Set( p_input, "time-offset", val );
 358             }
 359             else if( i_action == ACTIONID_JUMP_FORWARD_5MIN )
 360             {
 361                 vout_OSDMessage( VLC_OBJECT(p_intf), _( "Jump +5 minutes" ) );
 362                 val.i_time = 300000000;
 363                 var_Set( p_input, "time-offset", val );
 364             }
 365             else if( i_action == ACTIONID_NEXT )
 366             {
 367                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 368                                               FIND_ANYWHERE );
 369                 if( p_playlist )
 370                 {
 371                     playlist_Next( p_playlist );
 372                     vlc_object_release( p_playlist );
 373                 }
 374             }
 375             else if( i_action == ACTIONID_PREV )
 376             {
 377                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 378                                               FIND_ANYWHERE );
 379                 if( p_playlist )
 380                 {
 381                     playlist_Prev( p_playlist );
 382                     vlc_object_release( p_playlist );
 383                 }
 384             }
 385             else if( i_action == ACTIONID_STOP )
 386             {
 387                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 388                                               FIND_ANYWHERE );
 389                 if( p_playlist )
 390                 {
 391                     playlist_Stop( p_playlist );
 392                     vlc_object_release( p_playlist );
 393                 }
 394             }
 395             else if( i_action == ACTIONID_FASTER )
 396             {
 397                 vlc_value_t val; val.b_bool = VLC_TRUE;
 398                 var_Set( p_input, "rate-faster", val );
 399             }
 400             else if( i_action == ACTIONID_FASTER )
 401             {
 402                 vlc_value_t val; val.b_bool = VLC_TRUE;
 403                 var_Set( p_input, "rate-slower", val );
 404             }
 405             else if( i_action == ACTIONID_POSITION )
 406             {
 407                 playlist_t *p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 408                                               FIND_ANYWHERE );
 409                 char psz_duration[MSTRTIME_MAX_SIZE];
 410                 char psz_time[MSTRTIME_MAX_SIZE];
 411                 vlc_value_t time;
 412                 mtime_t i_seconds;
 413
 414                 var_Get( p_input, "time", &time );
 415
 416                 if( p_playlist )
 417                 {
 418                     mtime_t dur =
 419                         p_playlist->pp_items[p_playlist->i_index]->i_duration;
 420
 421                     i_seconds = time.i_time / 1000000;
 422                     secstotimestr ( psz_time, i_seconds );
 423
 424                     if( dur != -1 )
 425                     {
 426                         char psz_position[2*MSTRTIME_MAX_SIZE + 3];
 427                         secstotimestr( psz_duration, dur/1000000 );
 428                         strcpy( psz_position, psz_time );
 429                         strcat( psz_position, " / " );
 430                         strcat( psz_position, psz_duration );
 431                         vout_OSDMessage( VLC_OBJECT(p_playlist), psz_position );
 432                     }
 433                     else if( i_seconds > 0 )
 434                     {
 435                         vout_OSDMessage( VLC_OBJECT(p_playlist), psz_time );
 436                     }
 437                     vlc_object_release( p_playlist );
 438                 }
 439             }
 440             else if( i_action >= ACTIONID_PLAY_BOOKMARK1 &&
 441                      i_action <= ACTIONID_PLAY_BOOKMARK10 )
 442             {
 443                 PlayBookmark( p_intf, i_action - ACTIONID_PLAY_BOOKMARK1 + 1 );
 444             }
 445             else if( i_action >= ACTIONID_SET_BOOKMARK1 &&
 446                      i_action <= ACTIONID_SET_BOOKMARK10 )
 447             {
 448                 SetBookmark( p_intf, i_action - ACTIONID_SET_BOOKMARK1 + 1 );
 449             }
 450         }
 451     }
 452 }
 453
 454 static int GetKey( intf_thread_t *p_intf)
 455 {
 456     vlc_mutex_lock( &p_intf->p_sys->change_lock );
 457     if ( p_intf->p_sys->i_size == 0 )
 458     {
 459         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 460         return -1;
 461     }
 462     else
 463     {
 464         int i_return = p_intf->p_sys->p_keys[ 0 ];
 465         int i;
 466         p_intf->p_sys->i_size--;
 467         for ( i = 0; i < BUFFER_SIZE - 1; i++)
 468         {
 469             p_intf->p_sys->p_keys[ i ] = p_intf->p_sys->p_keys[ i + 1 ];
 470         }
 471         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 472         return i_return;
 473     }
 474 }
 475
 476 /*****************************************************************************
 477  * KeyEvent: callback for keyboard events
 478  *****************************************************************************/
 479 static int KeyEvent( vlc_object_t *p_this, char const *psz_var,
 480                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
 481 {
 482     intf_thread_t *p_intf = (intf_thread_t *)p_data;
 483     vlc_mutex_lock( &p_intf->p_sys->change_lock );
 484     if ( p_intf->p_sys->i_size == BUFFER_SIZE )
 485     {
 486         msg_Warn( p_intf, "event buffer full, dropping keypress" );
 487         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 488         return VLC_EGENERIC;
 489     }
 490     else
 491     {
 492         p_intf->p_sys->p_keys[ p_intf->p_sys->i_size ] = newval.i_int;
 493         p_intf->p_sys->i_size++;
 494     }
 495     vlc_mutex_unlock( &p_intf->p_sys->change_lock );
 496
 497     return VLC_SUCCESS;
 498 }
 499
 500 static int ActionKeyCB( vlc_object_t *p_this, char const *psz_var,
 501                         vlc_value_t oldval, vlc_value_t newval, void *p_data )
 502 {
 503     vlc_t *p_vlc = (vlc_t *)p_this;
 504     struct hotkey *p_hotkeys = p_vlc->p_hotkeys;
 505     int i;
 506
 507     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 508     {
 509         if( !strcmp( p_hotkeys[i].psz_action, psz_var ) )
 510         {
 511             p_hotkeys[i].i_key = newval.i_int;
 512         }
 513     }
 514
 515     return VLC_SUCCESS;
 516 }
 517
 518 static void PlayBookmark( intf_thread_t *p_intf, int i_num )
 519 {
 520     vlc_value_t val;
 521     int i_position;
 522     char psz_bookmark_name[11];
 523     playlist_t *p_playlist = vlc_object_find( p_intf,
 524              VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 525
 526     sprintf( psz_bookmark_name, "bookmark%i", i_num );
 527     var_Create( p_intf, psz_bookmark_name, VLC_VAR_STRING|VLC_VAR_DOINHERIT );
 528     var_Get( p_intf, psz_bookmark_name, &val );
 529
 530     if( p_playlist )
 531     {
 532         char *psz_bookmark = strdup( val.psz_string );
 533         for( i_position = 0 ; i_position < p_playlist->i_size ; i_position++)
 534         {
 535             if( !strcmp( psz_bookmark, p_playlist->pp_items[i_position]->psz_uri ) )
 536             {
 537                 playlist_Goto( p_playlist, i_position );
 538                 break;
 539             }
 540         }
 541         vlc_object_release( p_playlist );
 542     }
 543 }
 544
 545 static void SetBookmark( intf_thread_t *p_intf, int i_num )
 546 {
 547     vlc_value_t val;
 548     playlist_t *p_playlist = vlc_object_find( p_intf,
 549             VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 550     if( p_playlist )
 551     {
 552         char psz_bookmark_name[11];
 553         sprintf( psz_bookmark_name, "bookmark%i", i_num );
 554         var_Create( p_intf, psz_bookmark_name, VLC_VAR_STRING|VLC_VAR_DOINHERIT );
 555         val.psz_string = strdup( p_playlist->pp_items[p_playlist->i_index]->psz_uri );
 556         var_Set( p_intf, psz_bookmark_name, val );
 557         msg_Info( p_intf, "setting playlist bookmark %i to %s", i_num, val.psz_string );
 558         vlc_object_release( p_playlist );
 559     }
 560 }