git.sesse.net Git - vlc/blob - src/input/control.c

   1 /*****************************************************************************
   2  * control.c
   3  *****************************************************************************
   4  * Copyright (C) 1999-2004 VideoLAN
   5  * $Id: stream.c 7041 2004-03-11 16:48:27Z gbazin $
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   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 #include <stdlib.h>
  25 #include <vlc/vlc.h>
  26 #include <vlc/input.h>
  27
  28 #include "ninput.h"
  29
  30 /****************************************************************************
  31  * input_Control
  32  ****************************************************************************/
  33 /**
  34  * Control function for inputs.
  35  * \param p_input input handle
  36  * \param i_query query type
  37  * \return VLC_SUCESS if ok
  38  */
  39 int input_Control( input_thread_t *p_input, int i_query, ...  )
  40 {
  41     va_list args;
  42     int     i_result;
  43
  44     va_start( args, i_query );
  45     i_result = input_vaControl( p_input, i_query, args );
  46     va_end( args );
  47
  48     return i_result;
  49 }
  50
  51 int input_vaControl( input_thread_t *p_input, int i_query, va_list args )
  52 {
  53     int     i_ret;
  54     seekpoint_t *p_bkmk, ***ppp_bkmk;
  55     int i_bkmk, *pi_bkmk;
  56     vlc_value_t val, text;
  57
  58     vlc_mutex_lock( &p_input->stream.stream_lock );
  59     switch( i_query )
  60     {
  61         case INPUT_ADD_BOOKMARK:
  62             p_bkmk = (seekpoint_t *)va_arg( args, seekpoint_t * );
  63             p_bkmk = vlc_seekpoint_Duplicate( p_bkmk );
  64             if( !p_bkmk->psz_name )
  65             {
  66                  asprintf( &p_bkmk->psz_name, _("Bookmark %i"),
  67                            p_input->i_bookmarks );
  68             }
  69             TAB_APPEND( p_input->i_bookmarks, p_input->pp_bookmarks, p_bkmk );
  70
  71             /* Reflect the changes on the object var */
  72             var_Change( p_input, "bookmark", VLC_VAR_CLEARCHOICES, 0, 0 );
  73             {
  74                 int i;
  75                 for( i = 0; i < p_input->i_bookmarks; i++ )
  76                 {
  77                     val.i_int = i;
  78                     text.psz_string = p_input->pp_bookmarks[i]->psz_name;
  79                     var_Change( p_input, "bookmark", VLC_VAR_ADDCHOICE,
  80                                 &val, &text );
  81                 }
  82             }
  83
  84             i_ret = VLC_SUCCESS;
  85             break;
  86
  87         case INPUT_DEL_BOOKMARK:
  88             p_bkmk = (seekpoint_t *)va_arg( args, seekpoint_t * );
  89             if( p_input->i_bookmarks )
  90             {
  91                 int i;
  92                 for( i = 0; i < p_input->i_bookmarks; i++ )
  93                 {
  94                     if( ( p_bkmk->i_byte_offset &&
  95                           p_input->pp_bookmarks[i]->i_byte_offset ==
  96                             p_bkmk->i_byte_offset ) ||
  97                         ( p_bkmk->i_time_offset &&
  98                           p_input->pp_bookmarks[i]->i_time_offset ==
  99                             p_bkmk->i_time_offset ) ||
 100                         ( !p_bkmk->i_byte_offset && !p_bkmk->i_time_offset &&
 101                           p_input->pp_bookmarks[i]->i_byte_offset ==
 102                             p_bkmk->i_byte_offset ) )
 103                     {
 104                         p_bkmk = p_input->pp_bookmarks[i];
 105                         break;
 106                     }
 107                 }
 108                 if( i < p_input->i_bookmarks )
 109                 {
 110                     TAB_REMOVE( p_input->i_bookmarks, p_input->pp_bookmarks,
 111                                 p_bkmk );
 112                     vlc_seekpoint_Delete( p_bkmk );
 113
 114                     /* Reflect the changes on the object var */
 115                     var_Change( p_input, "bookmark", VLC_VAR_CLEARCHOICES,
 116                                 0, 0 );
 117                     for( i = 0; i < p_input->i_bookmarks; i++ )
 118                     {
 119                         val.i_int = i;
 120                         text.psz_string = p_input->pp_bookmarks[i]->psz_name;
 121                         var_Change( p_input, "bookmark", VLC_VAR_ADDCHOICE,
 122                                     &val, &text );
 123                     }
 124                 }
 125             }
 126             i_ret = VLC_SUCCESS;
 127             break;
 128
 129         case INPUT_GET_BOOKMARKS:
 130             ppp_bkmk = (seekpoint_t ***)va_arg( args, seekpoint_t *** );
 131             pi_bkmk = (int *)va_arg( args, int * );
 132             if( p_input->i_bookmarks )
 133             {
 134                 int i;
 135
 136                 *pi_bkmk = p_input->i_bookmarks;
 137                 *ppp_bkmk = malloc( sizeof(seekpoint_t *) *
 138                               p_input->i_bookmarks );
 139                 for( i = 0; i < p_input->i_bookmarks; i++ )
 140                 {
 141                     (*ppp_bkmk)[i] =
 142                         vlc_seekpoint_Duplicate(p_input->pp_bookmarks[i]);
 143                 }
 144                 i_ret = VLC_SUCCESS;
 145             }
 146             else
 147             {
 148                 *ppp_bkmk = NULL;
 149                 *pi_bkmk = 0;
 150                 i_ret = VLC_EGENERIC;
 151             }
 152             break;
 153
 154         case INPUT_CLEAR_BOOKMARKS:
 155             if( p_input->i_bookmarks )
 156             {
 157                 int i;
 158
 159                 for( i = p_input->i_bookmarks - 1; i >= 0; i-- )
 160                 {
 161                     p_bkmk = p_input->pp_bookmarks[i];
 162                     TAB_REMOVE( p_input->i_bookmarks, p_input->pp_bookmarks,
 163                                 p_bkmk );
 164                     vlc_seekpoint_Delete( p_bkmk );
 165                 }
 166             }
 167             i_ret = VLC_SUCCESS;
 168             break;
 169
 170         case INPUT_SET_BOOKMARK:
 171             i_bkmk = (int)va_arg( args, int );
 172             if( i_bkmk >= 0 && i_bkmk < p_input->i_bookmarks )
 173             {
 174                 vlc_value_t pos;
 175                 vlc_mutex_unlock( &p_input->stream.stream_lock );
 176                 if( p_input->pp_bookmarks[i_bkmk]->i_byte_offset ||
 177                     ( !p_input->pp_bookmarks[i_bkmk]->i_byte_offset &&
 178                       !p_input->pp_bookmarks[i_bkmk]->i_time_offset ) )
 179                 {
 180                     pos.f_float = p_input->pp_bookmarks[i_bkmk]->i_byte_offset/
 181                         (double)p_input->stream.p_selected_area->i_size;
 182                     i_ret = var_Set( p_input, "position", pos );
 183                 }
 184                 else if( p_input->pp_bookmarks[i_bkmk]->i_time_offset )
 185                 {
 186                     pos.i_time = p_input->pp_bookmarks[i_bkmk]->i_time_offset;
 187                     i_ret = var_Set( p_input, "time", pos );
 188                 }
 189                 vlc_mutex_lock( &p_input->stream.stream_lock );
 190             }
 191             else
 192             {
 193                 i_ret = VLC_EGENERIC;
 194             }
 195             break;
 196
 197         default:
 198             msg_Err( p_input, "unknown query in input_vaControl" );
 199             i_ret = VLC_EGENERIC;
 200             break;
 201     }
 202     vlc_mutex_unlock( &p_input->stream.stream_lock );
 203
 204     return i_ret;
 205 }