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

   1 /*****************************************************************************
   2  * control.c
   3  *****************************************************************************
   4  * Copyright (C) 1999-2004 the VideoLAN team
   5  * $Id$
   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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifdef HAVE_CONFIG_H
  25 # include "config.h"
  26 #endif
  27
  28 #include <vlc/vlc.h>
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32
  33 #include "input_internal.h"
  34 #include "vlc_playlist.h"
  35
  36
  37 static void UpdateBookmarksOption( input_thread_t * );
  38 static void NotifyPlaylist( input_thread_t * );
  39
  40 /****************************************************************************
  41  * input_Control
  42  ****************************************************************************/
  43 /**
  44  * Control function for inputs.
  45  * \param p_input input handle
  46  * \param i_query query type
  47  * \return VLC_SUCCESS if ok
  48  */
  49 int input_Control( input_thread_t *p_input, int i_query, ...  )
  50 {
  51     va_list args;
  52     int     i_result;
  53
  54     va_start( args, i_query );
  55     i_result = input_vaControl( p_input, i_query, args );
  56     va_end( args );
  57
  58     return i_result;
  59 }
  60
  61 int input_vaControl( input_thread_t *p_input, int i_query, va_list args )
  62 {
  63     seekpoint_t *p_bkmk, ***ppp_bkmk;
  64     int i_bkmk = 0;
  65     int *pi_bkmk;
  66
  67     int i_int, *pi_int;
  68     double f, *pf;
  69     int64_t i_64, *pi_64;
  70
  71     char *psz;
  72     vlc_value_t val;
  73
  74     switch( i_query )
  75     {
  76         case INPUT_GET_POSITION:
  77             pf = (double*)va_arg( args, double * );
  78             *pf = var_GetFloat( p_input, "position" );
  79             return VLC_SUCCESS;
  80
  81         case INPUT_SET_POSITION:
  82             f = (double)va_arg( args, double );
  83             return var_SetFloat( p_input, "position", f );
  84
  85         case INPUT_GET_LENGTH:
  86             pi_64 = (int64_t*)va_arg( args, int64_t * );
  87             *pi_64 = var_GetTime( p_input, "length" );
  88             return VLC_SUCCESS;
  89
  90         case INPUT_GET_TIME:
  91             pi_64 = (int64_t*)va_arg( args, int64_t * );
  92             *pi_64 = var_GetTime( p_input, "time" );
  93             return VLC_SUCCESS;
  94
  95         case INPUT_SET_TIME:
  96             i_64 = (int64_t)va_arg( args, int64_t );
  97             return var_SetTime( p_input, "time", i_64 );
  98
  99         case INPUT_GET_RATE:
 100             pi_int = (int*)va_arg( args, int * );
 101             *pi_int = var_GetInteger( p_input, "rate" );
 102             return VLC_SUCCESS;
 103
 104         case INPUT_SET_RATE:
 105             i_int = (int)va_arg( args, int );
 106             return var_SetInteger( p_input, "rate", i_int );
 107
 108         case INPUT_GET_STATE:
 109             pi_int = (int*)va_arg( args, int * );
 110             *pi_int = var_GetInteger( p_input, "state" );
 111             return VLC_SUCCESS;
 112
 113         case INPUT_SET_STATE:
 114             i_int = (int)va_arg( args, int );
 115             return var_SetInteger( p_input, "state", i_int );
 116
 117         case INPUT_GET_AUDIO_DELAY:
 118             pi_64 = (int64_t*)va_arg( args, int64_t * );
 119             *pi_64 = var_GetTime( p_input, "audio-delay" );
 120             return VLC_SUCCESS;
 121
 122         case INPUT_GET_SPU_DELAY:
 123             pi_64 = (int64_t*)va_arg( args, int64_t * );
 124             *pi_64 = var_GetTime( p_input, "spu-delay" );
 125             return VLC_SUCCESS;
 126
 127         case INPUT_SET_AUDIO_DELAY:
 128             i_64 = (int64_t)va_arg( args, int64_t );
 129             return var_SetTime( p_input, "audio-delay", i_64 );
 130
 131         case INPUT_SET_SPU_DELAY:
 132             i_64 = (int64_t)va_arg( args, int64_t );
 133             return var_SetTime( p_input, "spu-delay", i_64 );
 134
 135         case INPUT_ADD_INFO:
 136         {
 137             /* FIXME : Impossible to use input_ItemAddInfo because of
 138              * the ... problem ? */
 139             char *psz_cat = (char *)va_arg( args, char * );
 140             char *psz_name = (char *)va_arg( args, char * );
 141             char *psz_format = (char *)va_arg( args, char * );
 142
 143             info_category_t *p_cat;
 144             info_t *p_info;
 145             int i;
 146
 147             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 148             for( i = 0; i < p_input->p->input.p_item->i_categories; i++ )
 149             {
 150                 if( !strcmp( p_input->p->input.p_item->pp_categories[i]->psz_name,
 151                              psz_cat ) ) break;
 152             }
 153
 154             if( i == p_input->p->input.p_item->i_categories )
 155             {
 156                 p_cat = malloc( sizeof( info_category_t ) );
 157                 if( !p_cat )
 158                 {
 159                     vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 160                     return VLC_EGENERIC;
 161                 }
 162                 p_cat->psz_name = strdup( psz_cat );
 163                 p_cat->i_infos = 0;
 164                 p_cat->pp_infos = NULL;
 165                 INSERT_ELEM( p_input->p->input.p_item->pp_categories,
 166                              p_input->p->input.p_item->i_categories,
 167                              p_input->p->input.p_item->i_categories, p_cat );
 168             }
 169
 170             p_cat = p_input->p->input.p_item->pp_categories[i];
 171
 172             for( i = 0; i < p_cat->i_infos; i++ )
 173             {
 174                 if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
 175                 {
 176                     if( p_cat->pp_infos[i]->psz_value )
 177                         free( p_cat->pp_infos[i]->psz_value );
 178                     break;
 179                 }
 180             }
 181
 182             if( i == p_cat->i_infos )
 183             {
 184                 p_info = malloc( sizeof( info_t ) );
 185                 if( !p_info )
 186                 {
 187                     vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 188                     return VLC_EGENERIC;
 189                 }
 190
 191                 INSERT_ELEM( p_cat->pp_infos, p_cat->i_infos,
 192                              p_cat->i_infos, p_info );
 193                 p_info->psz_name = strdup( psz_name );
 194             }
 195
 196             p_info = p_cat->pp_infos[i];
 197             if( vasprintf( &p_info->psz_value, psz_format, args ) == -1 )
 198                 p_info->psz_value = NULL;
 199
 200             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 201
 202             if( !p_input->b_preparsing )
 203                 NotifyPlaylist( p_input );
 204         }
 205         return VLC_SUCCESS;
 206
 207         case INPUT_DEL_INFO:
 208         {
 209             char *psz_cat = (char *)va_arg( args, char * );
 210             char *psz_name = (char *)va_arg( args, char * );
 211
 212             info_category_t *p_cat = NULL;
 213             int i_cat;
 214             int i;
 215
 216             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 217             for( i_cat = 0; i_cat < p_input->p->input.p_item->i_categories; i_cat++ )
 218             {
 219                 if( !strcmp( p_input->p->input.p_item->pp_categories[i_cat]->psz_name,
 220                              psz_cat ) )
 221                 {
 222                     p_cat = p_input->p->input.p_item->pp_categories[i_cat];
 223                     break;
 224                 }
 225             }
 226             if( p_cat == NULL )
 227             {
 228                 vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 229                 return VLC_EGENERIC;
 230             }
 231
 232             if( psz_name )
 233             {
 234                 /* Remove a specific info */
 235                 for( i = 0; i < p_cat->i_infos; i++ )
 236                 {
 237                     if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
 238                     {
 239                         free( p_cat->pp_infos[i]->psz_name );
 240                         if( p_cat->pp_infos[i]->psz_value )
 241                             free( p_cat->pp_infos[i]->psz_value );
 242                         free( p_cat->pp_infos[i] );
 243                         REMOVE_ELEM( p_cat->pp_infos, p_cat->i_infos, i );
 244                         break;
 245                     }
 246                 }
 247                 if( i >= p_cat->i_infos )
 248                 {
 249                     vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 250                     return VLC_EGENERIC;
 251                 }
 252             }
 253             else
 254             {
 255                 /* Remove the complete categorie */
 256                 for( i = 0; i < p_cat->i_infos; i++ )
 257                 {
 258                     free( p_cat->pp_infos[i]->psz_name );
 259                     if( p_cat->pp_infos[i]->psz_value )
 260                         free( p_cat->pp_infos[i]->psz_value );
 261                     free( p_cat->pp_infos[i] );
 262                 }
 263                 if( p_cat->pp_infos )
 264                     free( p_cat->pp_infos );
 265                 REMOVE_ELEM( p_input->p->input.p_item->pp_categories, p_input->p->input.p_item->i_categories, i_cat );
 266             }
 267             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 268
 269             if( !p_input->b_preparsing )
 270                 NotifyPlaylist( p_input );
 271
 272             return VLC_SUCCESS;
 273         }
 274
 275
 276         case INPUT_GET_INFO:
 277         {
 278             char *psz_cat = (char *)va_arg( args, char * );
 279             char *psz_name = (char *)va_arg( args, char * );
 280             char **ppsz_value = (char **)va_arg( args, char ** );
 281             int i_ret = VLC_EGENERIC;
 282             *ppsz_value = NULL;
 283
 284             *ppsz_value = input_ItemGetInfo( p_input->p->input.p_item,
 285                                                   psz_cat, psz_name );
 286             return i_ret;
 287         }
 288
 289         case INPUT_SET_NAME:
 290         {
 291             char *psz_name = (char *)va_arg( args, char * );
 292
 293             if( !psz_name ) return VLC_EGENERIC;
 294
 295             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 296             if( p_input->p->input.p_item->psz_name )
 297                 free( p_input->p->input.p_item->psz_name );
 298             p_input->p->input.p_item->psz_name = strdup( psz_name );
 299             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 300
 301             if( !p_input->b_preparsing )
 302                 NotifyPlaylist( p_input );
 303
 304             return VLC_SUCCESS;
 305         }
 306
 307         case INPUT_ADD_BOOKMARK:
 308             p_bkmk = (seekpoint_t *)va_arg( args, seekpoint_t * );
 309             p_bkmk = vlc_seekpoint_Duplicate( p_bkmk );
 310
 311             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 312             if( !p_bkmk->psz_name )
 313             {
 314                  if( asprintf( &p_bkmk->psz_name, _("Bookmark %i"),
 315                                p_input->p->i_bookmark ) == -1 )
 316                      p_bkmk->psz_name = NULL;
 317             }
 318
 319             TAB_APPEND( p_input->p->i_bookmark, p_input->p->bookmark, p_bkmk );
 320
 321             /* Reflect the changes on the object var */
 322             var_Change( p_input, "bookmark", VLC_VAR_CLEARCHOICES, 0, 0 );
 323             {
 324                 vlc_value_t val, text;
 325                 int i;
 326
 327                 for( i = 0; i < p_input->p->i_bookmark; i++ )
 328                 {
 329                     val.i_int = i;
 330                     text.psz_string = p_input->p->bookmark[i]->psz_name;
 331                     var_Change( p_input, "bookmark", VLC_VAR_ADDCHOICE,
 332                                 &val, &text );
 333                 }
 334             }
 335             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 336
 337             UpdateBookmarksOption( p_input );
 338
 339             return VLC_SUCCESS;
 340
 341         case INPUT_CHANGE_BOOKMARK:
 342             p_bkmk = (seekpoint_t *)va_arg( args, seekpoint_t * );
 343             i_bkmk = (int)va_arg( args, int );
 344
 345             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 346             if( i_bkmk < p_input->p->i_bookmark )
 347             {
 348                 vlc_value_t val, text;
 349                 int i;
 350
 351                 p_input->p->bookmark[i_bkmk] = p_bkmk;
 352
 353                 /* Reflect the changes on the object var */
 354                 var_Change( p_input, "bookmark", VLC_VAR_CLEARCHOICES, 0, 0 );
 355                 for( i = 0; i < p_input->p->i_bookmark; i++ )
 356                 {
 357                     val.i_int = i;
 358                     text.psz_string = p_input->p->bookmark[i]->psz_name;
 359                     var_Change( p_input, "bookmark", VLC_VAR_ADDCHOICE,
 360                                 &val, &text );
 361                 }
 362             }
 363             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 364
 365             UpdateBookmarksOption( p_input );
 366
 367             return VLC_SUCCESS;
 368
 369         case INPUT_DEL_BOOKMARK:
 370             i_bkmk = (int)va_arg( args, int );
 371
 372             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 373             if( i_bkmk < p_input->p->i_bookmark )
 374             {
 375                 vlc_value_t val, text;
 376                 int i;
 377
 378                 p_bkmk = p_input->p->bookmark[i_bkmk];
 379                 TAB_REMOVE( p_input->p->i_bookmark, p_input->p->bookmark,
 380                             p_bkmk );
 381                 vlc_seekpoint_Delete( p_bkmk );
 382
 383                 /* Reflect the changes on the object var */
 384                 var_Change( p_input, "bookmark", VLC_VAR_CLEARCHOICES, 0, 0 );
 385                 for( i = 0; i < p_input->p->i_bookmark; i++ )
 386                 {
 387                     val.i_int = i;
 388                     text.psz_string = p_input->p->bookmark[i]->psz_name;
 389                     var_Change( p_input, "bookmark", VLC_VAR_ADDCHOICE,
 390                                 &val, &text );
 391                 }
 392                 vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 393
 394                 UpdateBookmarksOption( p_input );
 395
 396                 return VLC_SUCCESS;
 397             }
 398             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 399
 400             return VLC_EGENERIC;
 401
 402         case INPUT_GET_BOOKMARKS:
 403             ppp_bkmk = (seekpoint_t ***)va_arg( args, seekpoint_t *** );
 404             pi_bkmk = (int *)va_arg( args, int * );
 405
 406             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 407             if( p_input->p->i_bookmark )
 408             {
 409                 int i;
 410
 411                 *pi_bkmk = p_input->p->i_bookmark;
 412                 *ppp_bkmk = malloc( sizeof(seekpoint_t *) *
 413                                     p_input->p->i_bookmark );
 414                 for( i = 0; i < p_input->p->i_bookmark; i++ )
 415                 {
 416                     (*ppp_bkmk)[i] =
 417                         vlc_seekpoint_Duplicate(p_input->p->bookmark[i]);
 418                 }
 419
 420                 vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 421                 return VLC_SUCCESS;
 422             }
 423             else
 424             {
 425                 *ppp_bkmk = NULL;
 426                 *pi_bkmk = 0;
 427
 428                 vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 429                 return VLC_EGENERIC;
 430             }
 431             break;
 432
 433         case INPUT_CLEAR_BOOKMARKS:
 434
 435             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 436             if( p_input->p->i_bookmark )
 437             {
 438                 int i;
 439
 440                 for( i = p_input->p->i_bookmark - 1; i >= 0; i-- )
 441                 {
 442                     p_bkmk = p_input->p->bookmark[i];
 443                     TAB_REMOVE( p_input->p->i_bookmark, p_input->p->bookmark,
 444                                 p_bkmk );
 445                     vlc_seekpoint_Delete( p_bkmk );
 446                 }
 447                 var_Change( p_input, "bookmark", VLC_VAR_CLEARCHOICES, 0, 0 );
 448             }
 449             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 450
 451             UpdateBookmarksOption( p_input );
 452
 453             return VLC_SUCCESS;
 454
 455         case INPUT_SET_BOOKMARK:
 456             i_bkmk = (int)va_arg( args, int );
 457
 458             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 459             if( i_bkmk >= 0 && i_bkmk < p_input->p->i_bookmark )
 460             {
 461                 vlc_value_t pos;
 462                 int i_ret;
 463
 464                 if( p_input->p->bookmark[i_bkmk]->i_time_offset != -1 )
 465                 {
 466                     pos.i_time = p_input->p->bookmark[i_bkmk]->i_time_offset;
 467                     i_ret = var_Set( p_input, "time", pos );
 468                 }
 469                 else if( p_input->p->bookmark[i_bkmk]->i_byte_offset != -1 )
 470                 {
 471                     // don't crash on bookmarks in live streams
 472                     if( stream_Size( p_input->p->input.p_stream ) == 0 )
 473                     {
 474                         vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 475                         return VLC_EGENERIC;
 476                     }
 477                     pos.f_float = !p_input->p->input.p_stream ? 0 :
 478                         p_input->p->bookmark[i_bkmk]->i_byte_offset /
 479                         stream_Size( p_input->p->input.p_stream );
 480                     i_ret = var_Set( p_input, "position", pos );
 481                 }
 482                 else
 483                 {
 484                     pos.f_float = 0;
 485                     i_ret = var_Set( p_input, "position", pos );
 486                 }
 487
 488                 vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 489                 return i_ret;
 490             }
 491             else
 492             {
 493                 vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 494                 return VLC_EGENERIC;
 495             }
 496
 497             break;
 498
 499         case INPUT_ADD_OPTION:
 500         {
 501             const char *psz_option = va_arg( args, const char * );
 502             const char *psz_value = va_arg( args, const char * );
 503             char *str;
 504             int i;
 505
 506             if( asprintf( &str, "%s=%s", psz_option, psz_value ) == -1 )
 507                 return VLC_ENOMEM;
 508
 509             i = input_ItemAddOpt( p_input->p->input.p_item, str,
 510                                   VLC_INPUT_OPTION_UNIQUE );
 511             free( str );
 512             return i;
 513         }
 514
 515         case INPUT_GET_BYTE_POSITION:
 516             pi_64 = (int64_t*)va_arg( args, int64_t * );
 517             *pi_64 = !p_input->p->input.p_stream ? 0 :
 518                 stream_Tell( p_input->p->input.p_stream );
 519             return VLC_SUCCESS;
 520
 521         case INPUT_SET_BYTE_SIZE:
 522             pi_64 = (int64_t*)va_arg( args, int64_t * );
 523             *pi_64 = !p_input->p->input.p_stream ? 0 :
 524                 stream_Size( p_input->p->input.p_stream );
 525             return VLC_SUCCESS;
 526
 527         case INPUT_GET_VIDEO_FPS:
 528         {
 529             int i;
 530             pf = (double*)va_arg( args, double * );
 531             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 532             *pf = p_input->p->input.f_fps;
 533             for( i = 0; i < p_input->p->i_slave && *pf <= 0.001; i++ )
 534                 *pf = p_input->p->slave[i]->f_fps;
 535             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 536             return VLC_SUCCESS;
 537         }
 538
 539         case INPUT_ADD_SLAVE:
 540             psz = (char*)va_arg( args, char * );
 541             if( psz && *psz )
 542             {
 543                 val.psz_string = strdup( psz );
 544                 input_ControlPush( p_input, INPUT_CONTROL_ADD_SLAVE, &val );
 545             }
 546             return VLC_SUCCESS;
 547
 548         case INPUT_GET_ATTACHMENTS: /* arg1=input_attachment_t***, arg2=int*  res=can fail */
 549         {
 550             input_attachment_t ***ppp_attachment = (input_attachment_t***)va_arg( args, input_attachment_t *** );
 551             int *pi_attachment = (int*)va_arg( args, int * );
 552             int i;
 553
 554             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 555             if( p_input->p->i_attachment <= 0 )
 556             {
 557                 vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 558                 *ppp_attachment = NULL;
 559                 *pi_attachment = 0;
 560                 return VLC_EGENERIC;
 561             }
 562             *pi_attachment = p_input->p->i_attachment;
 563             *ppp_attachment = malloc( sizeof(input_attachment_t**) * p_input->p->i_attachment );
 564             for( i = 0; i < p_input->p->i_attachment; i++ )
 565                 (*ppp_attachment)[i] = vlc_input_attachment_Duplicate( p_input->p->attachment[i] );
 566
 567             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 568             return VLC_SUCCESS;
 569         }
 570
 571         case INPUT_GET_ATTACHMENT:  /* arg1=input_attachment_t**, arg2=char*  res=can fail */
 572         {
 573             input_attachment_t **pp_attachment = (input_attachment_t**)va_arg( args, input_attachment_t ** );
 574             const char *psz_name = (const char*)va_arg( args, const char * );
 575             int i;
 576
 577             vlc_mutex_lock( &p_input->p->input.p_item->lock );
 578             for( i = 0; i < p_input->p->i_attachment; i++ )
 579             {
 580                 if( !strcmp( p_input->p->attachment[i]->psz_name, psz_name ) )
 581                 {
 582                     *pp_attachment = vlc_input_attachment_Duplicate( p_input->p->attachment[i] );
 583                     vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 584                     return VLC_SUCCESS;
 585                 }
 586             }
 587             *pp_attachment = NULL;
 588             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 589             return VLC_EGENERIC;
 590         }
 591
 592
 593         default:
 594             msg_Err( p_input, "unknown query in input_vaControl" );
 595             return VLC_EGENERIC;
 596     }
 597 }
 598
 599 static void NotifyPlaylist( input_thread_t *p_input )
 600 {
 601     /* FIXME: We need to avoid that dependency on the playlist
 602      * because it is a circular dependency:
 603      * ( playlist -> input -> playlist ) */
 604     playlist_t *p_playlist = vlc_object_find( p_input,
 605                     VLC_OBJECT_PLAYLIST, FIND_PARENT );
 606     if( !p_playlist )
 607         return;
 608     var_SetInteger( p_playlist, "item-change",
 609                     p_input->p->input.p_item->i_id );
 610     vlc_object_release( p_playlist );
 611 }
 612
 613 static void UpdateBookmarksOption( input_thread_t *p_input )
 614 {
 615     int i, i_len = 0;
 616     char *psz_value = NULL, *psz_next = NULL;
 617
 618     vlc_mutex_lock( &p_input->p->input.p_item->lock );
 619     for( i = 0; i < p_input->p->i_bookmark; i++ )
 620     {
 621         i_len += snprintf( NULL, 0, "{name=%s,bytes=%"PRId64",time=%"PRId64"}",
 622                            p_input->p->bookmark[i]->psz_name,
 623                            p_input->p->bookmark[i]->i_byte_offset,
 624                            p_input->p->bookmark[i]->i_time_offset/1000000 );
 625     }
 626     for( i = 0; i < p_input->p->i_bookmark; i++ )
 627     {
 628         if( !i ) psz_value = psz_next = malloc( i_len + p_input->p->i_bookmark );
 629
 630         sprintf( psz_next, "{name=%s,bytes=%"PRId64",time=%"PRId64"}",
 631                  p_input->p->bookmark[i]->psz_name,
 632                  p_input->p->bookmark[i]->i_byte_offset,
 633                  p_input->p->bookmark[i]->i_time_offset/1000000 );
 634
 635         psz_next += strlen( psz_next );
 636         if( i < p_input->p->i_bookmark - 1)
 637         {
 638             *psz_next = ','; psz_next++;
 639         }
 640     }
 641     vlc_mutex_unlock( &p_input->p->input.p_item->lock );
 642
 643     input_Control( p_input, INPUT_ADD_OPTION, "bookmarks",
 644                    psz_value ? psz_value : "" );
 645 }