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

   1 /*****************************************************************************
   2  * lirc.c : lirc plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002 VideoLAN
   5  * $Id: lirc.c,v 1.2 2003/01/12 01:26:36 sigmunau 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 int  Open    ( vlc_object_t * );
  53 static void Close   ( vlc_object_t * );
  54 static void Run     ( intf_thread_t * );
  55
  56 /*****************************************************************************
  57  * Module descriptor
  58  *****************************************************************************/
  59 vlc_module_begin();
  60     set_description( _("infrared remote control module") );
  61     set_capability( "interface", 0 );
  62     set_callbacks( Open, Close );
  63 vlc_module_end();
  64
  65 /*****************************************************************************
  66  * Open: initialize interface
  67  *****************************************************************************/
  68 static int Open( vlc_object_t *p_this )
  69 {
  70     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  71     int i_fd;
  72
  73     /* Allocate instance and initialize some members */
  74     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
  75     if( p_intf->p_sys == NULL )
  76     {
  77         msg_Err( p_intf, "out of memory" );
  78         return 1;
  79     }
  80
  81     p_intf->pf_run = Run;
  82
  83     i_fd = lirc_init( "vlc", 1 );
  84     if( i_fd == -1 )
  85     {
  86         msg_Err( p_intf, "lirc_init failed" );
  87         free( p_intf->p_sys );
  88         return 1;
  89     }
  90
  91     /* We want polling */
  92     fcntl( i_fd, F_SETFL, fcntl( i_fd, F_GETFL ) | O_NONBLOCK );
  93
  94     if( lirc_readconfig( NULL, &p_intf->p_sys->config, NULL ) != 0 )
  95     {
  96         msg_Err( p_intf, "lirc_readconfig failed" );
  97         lirc_deinit();
  98         free( p_intf->p_sys );
  99         return 1;
 100     }
 101
 102     p_intf->p_sys->p_input = NULL;
 103
 104     return 0;
 105 }
 106
 107 /*****************************************************************************
 108  * Close: destroy interface
 109  *****************************************************************************/
 110 static void Close( vlc_object_t *p_this )
 111 {
 112     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 113
 114     if( p_intf->p_sys->p_input )
 115     {
 116         vlc_object_release( p_intf->p_sys->p_input );
 117     }
 118
 119     /* Destroy structure */
 120     lirc_freeconfig( p_intf->p_sys->config );
 121     lirc_deinit();
 122     free( p_intf->p_sys );
 123 }
 124
 125 /*****************************************************************************
 126  * Run: main loop
 127  *****************************************************************************/
 128 static void Run( intf_thread_t *p_intf )
 129 {
 130     char *code, *c;
 131     playlist_t *p_playlist;
 132     input_thread_t *p_input;
 133
 134     while( !p_intf->b_die )
 135     {
 136         /* Sleep a bit */
 137         msleep( INTF_IDLE_SLEEP );
 138
 139         /* Update the input */
 140         if( p_intf->p_sys->p_input == NULL )
 141         {
 142             p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 143                                                               FIND_ANYWHERE );
 144         }
 145         else if( p_intf->p_sys->p_input->b_dead )
 146         {
 147             vlc_object_release( p_intf->p_sys->p_input );
 148             p_intf->p_sys->p_input = NULL;
 149         }
 150
 151         /* We poll the lircsocket */
 152         if( lirc_nextcode(&code) != 0 )
 153         {
 154             break;
 155         }
 156
 157         if( code == NULL )
 158         {
 159             continue;
 160         }
 161
 162         while( !p_intf->b_die
 163                 && lirc_code2char( p_intf->p_sys->config, code, &c ) == 0
 164                 && c != NULL )
 165         {
 166             if( !strcmp( c, "QUIT" ) )
 167             {
 168                 p_intf->p_vlc->b_die = VLC_TRUE;
 169                 continue;
 170             }
 171
 172             if( !strcmp( c, "FULLSCREEN" ) )
 173             {
 174                 vout_thread_t *p_vout;
 175                 p_vout = vlc_object_find( p_intf->p_sys->p_input,
 176                                           VLC_OBJECT_VOUT, FIND_CHILD );
 177                 if( p_vout )
 178                 {
 179                     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 180                     vlc_object_release( p_vout );
 181                 }
 182                 continue;
 183             }
 184
 185             if( !strcmp( c, "PLAY" ) )
 186             {
 187                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 188                                                       FIND_ANYWHERE );
 189                 if( p_playlist )
 190                 {
 191                     vlc_mutex_lock( &p_playlist->object_lock );
 192                     if( p_playlist->i_size )
 193                     {
 194                         vlc_mutex_unlock( &p_playlist->object_lock );
 195                         playlist_Play( p_playlist );
 196                         vlc_object_release( p_playlist );
 197                     }
 198                 }
 199             }
 200             if( !strcmp( c, "PLAYPAUSE" ) )
 201             {
 202                 if( p_intf->p_sys->p_input &&
 203                     p_intf->p_sys->p_input->stream.control.i_status != PAUSE_S )
 204                 {
 205                     input_SetStatus( p_intf->p_sys->p_input, INPUT_STATUS_PAUSE );
 206                 }
 207                 else
 208                 {
 209                     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 210                                                   FIND_ANYWHERE );
 211                     if( p_playlist )
 212                     {
 213                         vlc_mutex_lock( &p_playlist->object_lock );
 214                         if( p_playlist->i_size )
 215                         {
 216                             vlc_mutex_unlock( &p_playlist->object_lock );
 217                             playlist_Play( p_playlist );
 218                             vlc_object_release( p_playlist );
 219                         }
 220                     }
 221                 }
 222             }
 223             else if( p_intf->p_sys->p_input )
 224             {
 225                 p_input = p_intf->p_sys->p_input;
 226
 227                 if( !strcmp( c, "PAUSE" ) )
 228                 {
 229                     input_SetStatus( p_input, INPUT_STATUS_PAUSE );
 230                 }
 231                 else if( !strcmp( c, "NEXT" ) )
 232                 {
 233                     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 234                                                           FIND_ANYWHERE );
 235                     if( p_playlist )
 236                     {
 237                         playlist_Next( p_playlist );
 238                         vlc_object_release( p_playlist );
 239                     }
 240                 }
 241                 else if( !strcmp( c, "PREV" ) )
 242                 {
 243                     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 244                                                           FIND_ANYWHERE );
 245                     if( p_playlist )
 246                     {
 247                         playlist_Prev( p_playlist );
 248                         vlc_object_release( p_playlist );
 249                     }
 250                 }
 251                 else if( !strcmp( c, "STOP" ) )
 252                 {
 253                     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 254                                                           FIND_ANYWHERE );
 255                     if( p_playlist )
 256                     {
 257                         playlist_Stop( p_playlist );
 258                         vlc_object_release( p_playlist );
 259                     }
 260                 }
 261                 else if( !strcmp( c, "FAST" ) )
 262                 {
 263                     input_SetStatus( p_input, INPUT_STATUS_FASTER );
 264                 }
 265                 else if( !strcmp( c, "SLOW" ) )
 266                 {
 267                     input_SetStatus( p_input, INPUT_STATUS_SLOWER );
 268                 }
 269             }
 270         }
 271
 272         free( code );
 273     }
 274 }
 275