git.sesse.net Git - vlc/blob - plugins/lirc/lirc.c

   1 /*****************************************************************************
   2  * lirc.c : lirc plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002 VideoLAN
   5  * $Id: lirc.c,v 1.14 2002/07/20 18:01:42 sam 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 #include <string.h>
  29
  30 #include <fcntl.h>
  31
  32 #include <vlc/vlc.h>
  33 #include <vlc/intf.h>
  34 #include <vlc/vout.h>
  35
  36 #include <lirc/lirc_client.h>
  37
  38 /*****************************************************************************
  39  * intf_sys_t: description and status of FB interface
  40  *****************************************************************************/
  41 struct intf_sys_t
  42 {
  43     struct lirc_config *config;
  44     vlc_mutex_t         change_lock;
  45
  46     input_thread_t *    p_input;
  47 };
  48
  49 /*****************************************************************************
  50  * Local prototypes.
  51  *****************************************************************************/
  52 static void intf_getfunctions( function_list_t * p_function_list );
  53
  54 static int  intf_Open      ( intf_thread_t *p_intf );
  55 static void intf_Close     ( intf_thread_t *p_intf );
  56 static void intf_Run       ( intf_thread_t *p_intf );
  57
  58 /*****************************************************************************
  59  * Build configuration tree.
  60  *****************************************************************************/
  61 MODULE_CONFIG_START
  62
  63 MODULE_CONFIG_STOP
  64
  65 MODULE_INIT_START
  66     SET_DESCRIPTION( _("infrared remote control module") )
  67     ADD_CAPABILITY( INTF, 8 )
  68 MODULE_INIT_STOP
  69
  70 MODULE_ACTIVATE_START
  71     intf_getfunctions( &p_module->p_functions->intf );
  72 MODULE_ACTIVATE_STOP
  73
  74 MODULE_DEACTIVATE_START
  75 MODULE_DEACTIVATE_STOP
  76
  77 /*****************************************************************************
  78  * Functions exported as capabilities. They are declared as static so that
  79  * we don't pollute the namespace too much.
  80  *****************************************************************************/
  81 static void intf_getfunctions( function_list_t * p_function_list )
  82 {
  83     p_function_list->functions.intf.pf_open  = intf_Open;
  84     p_function_list->functions.intf.pf_close = intf_Close;
  85     p_function_list->functions.intf.pf_run   = intf_Run;
  86 }
  87
  88 /*****************************************************************************
  89  * intf_Open: initialize dummy interface
  90  *****************************************************************************/
  91 static int intf_Open( intf_thread_t *p_intf )
  92 {
  93     int i_fd;
  94
  95     /* Allocate instance and initialize some members */
  96     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
  97     if( p_intf->p_sys == NULL )
  98     {
  99         msg_Err( p_intf, "out of memory" );
 100         return 1;
 101     }
 102
 103     i_fd = lirc_init( "vlc", 1 );
 104     if( i_fd == -1 )
 105     {
 106         msg_Err( p_intf, "lirc_init failed" );
 107         free( p_intf->p_sys );
 108         return 1;
 109     }
 110
 111     /* We want polling */
 112     fcntl( i_fd, F_SETFL, fcntl( i_fd, F_GETFL ) | O_NONBLOCK );
 113
 114     if( lirc_readconfig( NULL, &p_intf->p_sys->config, NULL ) != 0 )
 115     {
 116         msg_Err( p_intf, "lirc_readconfig failed" );
 117         lirc_deinit();
 118         free( p_intf->p_sys );
 119         return 1;
 120     }
 121
 122     p_intf->p_sys->p_input = NULL;
 123
 124     return 0;
 125 }
 126
 127 /*****************************************************************************
 128  * intf_Close: destroy dummy interface
 129  *****************************************************************************/
 130 static void intf_Close( intf_thread_t *p_intf )
 131 {
 132     if( p_intf->p_sys->p_input )
 133     {
 134         vlc_object_release( p_intf->p_sys->p_input );
 135     }
 136
 137     /* Destroy structure */
 138     lirc_freeconfig( p_intf->p_sys->config );
 139     lirc_deinit();
 140     free( p_intf->p_sys );
 141 }
 142
 143 /*****************************************************************************
 144  * intf_Run: main loop
 145  *****************************************************************************/
 146 static void intf_Run( intf_thread_t *p_intf )
 147 {
 148     char *code, *c;
 149     playlist_t *p_playlist;
 150     input_thread_t *p_input;
 151
 152     while( !p_intf->b_die )
 153     {
 154         /* Sleep a bit */
 155         msleep( INTF_IDLE_SLEEP );
 156
 157         /* Update the input */
 158         if( p_intf->p_sys->p_input == NULL )
 159         {
 160             p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 161                                                               FIND_ANYWHERE );
 162         }
 163         else if( p_intf->p_sys->p_input->b_dead )
 164         {
 165             vlc_object_release( p_intf->p_sys->p_input );
 166             p_intf->p_sys->p_input = NULL;
 167         }
 168
 169         /* We poll the lircsocket */
 170         if( lirc_nextcode(&code) != 0 )
 171         {
 172             break;
 173         }
 174
 175         if( code == NULL )
 176         {
 177             continue;
 178         }
 179
 180         while( !p_intf->b_die
 181                 && lirc_code2char( p_intf->p_sys->config, code, &c ) == 0
 182                 && c != NULL )
 183         {
 184             if( !strcmp( c, "QUIT" ) )
 185             {
 186                 p_intf->p_vlc->b_die = VLC_TRUE;
 187                 continue;
 188             }
 189
 190             if( !strcmp( c, "FULLSCREEN" ) )
 191             {
 192                 vout_thread_t *p_vout;
 193                 p_vout = vlc_object_find( p_intf->p_sys->p_input,
 194                                           VLC_OBJECT_VOUT, FIND_CHILD );
 195                 if( p_vout )
 196                 {
 197                     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 198                     vlc_object_release( p_vout );
 199                 }
 200                 continue;
 201             }
 202
 203             if( !strcmp( c, "PLAY" ) )
 204             {
 205                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 206                                                       FIND_ANYWHERE );
 207                 if( p_playlist )
 208                 {
 209                     vlc_mutex_lock( &p_playlist->object_lock );
 210                     if( p_playlist->i_size )
 211                     {
 212                         vlc_mutex_unlock( &p_playlist->object_lock );
 213                         playlist_Play( p_playlist );
 214                         vlc_object_release( p_playlist );
 215                     }
 216                 }
 217             }
 218             else if( p_intf->p_sys->p_input )
 219             {
 220                 p_input = p_intf->p_sys->p_input;
 221
 222                 if( !strcmp( c, "PAUSE" ) )
 223                 {
 224                     input_SetStatus( p_input, INPUT_STATUS_PAUSE );
 225                 }
 226                 else if( !strcmp( c, "NEXT" ) )
 227                 {
 228                     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 229                                                           FIND_ANYWHERE );
 230                     if( p_playlist )
 231                     {
 232                         playlist_Next( p_playlist );
 233                         vlc_object_release( p_playlist );
 234                     }
 235                 }
 236                 else if( !strcmp( c, "PREV" ) )
 237                 {
 238                     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 239                                                           FIND_ANYWHERE );
 240                     if( p_playlist )
 241                     {
 242                         playlist_Prev( p_playlist );
 243                         vlc_object_release( p_playlist );
 244                     }
 245                 }
 246                 else if( !strcmp( c, "STOP" ) )
 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                 }
 256                 else if( !strcmp( c, "FAST" ) )
 257                 {
 258                     input_SetStatus( p_input, INPUT_STATUS_FASTER );
 259                 }
 260                 else if( !strcmp( c, "SLOW" ) )
 261                 {
 262                     input_SetStatus( p_input, INPUT_STATUS_SLOWER );
 263                 }
 264             }
 265         }
 266
 267         free( code );
 268     }
 269 }
 270