git.sesse.net Git - vlc/blob - src/video_output/vout_intf.c

   1 /*****************************************************************************
   2  * vout_intf.c : video output interface
   3  *****************************************************************************
   4  * Copyright (C) 2000-2006 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 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27
  28 #include <vlc/vlc.h>
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>                                                /* free() */
  32 #include <sys/types.h>                                          /* opendir() */
  33 #include <dirent.h>                                             /* opendir() */
  34
  35 #include <vlc_interface.h>
  36 #include <vlc_block.h>
  37 #include <vlc_playlist.h>
  38
  39 #include <vlc_vout.h>
  40 #include <vlc_image.h>
  41 #include <vlc_osd.h>
  42
  43 #include <vlc_strings.h>
  44 #include <vlc_charset.h>
  45
  46 /*****************************************************************************
  47  * Local prototypes
  48  *****************************************************************************/
  49 static void InitWindowSize( vout_thread_t *, unsigned *, unsigned * );
  50
  51 /* Object variables callbacks */
  52 static int ZoomCallback( vlc_object_t *, char const *,
  53                          vlc_value_t, vlc_value_t, void * );
  54 static int CropCallback( vlc_object_t *, char const *,
  55                          vlc_value_t, vlc_value_t, void * );
  56 static int AspectCallback( vlc_object_t *, char const *,
  57                            vlc_value_t, vlc_value_t, void * );
  58 static int OnTopCallback( vlc_object_t *, char const *,
  59                           vlc_value_t, vlc_value_t, void * );
  60 static int FullscreenCallback( vlc_object_t *, char const *,
  61                                vlc_value_t, vlc_value_t, void * );
  62 static int SnapshotCallback( vlc_object_t *, char const *,
  63                              vlc_value_t, vlc_value_t, void * );
  64
  65 /*****************************************************************************
  66  * vout_RequestWindow: Create/Get a video window if possible.
  67  *****************************************************************************
  68  * This function looks for the main interface and tries to request
  69  * a new video window. If it fails then the vout will still need to create the
  70  * window by itself.
  71  *****************************************************************************/
  72 void *vout_RequestWindow( vout_thread_t *p_vout,
  73                           int *pi_x_hint, int *pi_y_hint,
  74                           unsigned int *pi_width_hint,
  75                           unsigned int *pi_height_hint )
  76 {
  77     intf_thread_t *p_intf = NULL;
  78     vlc_list_t *p_list;
  79     void *p_window;
  80     vlc_value_t val;
  81     int i;
  82
  83     /* Small kludge */
  84     if( !var_Type( p_vout, "aspect-ratio" ) ) vout_IntfInit( p_vout );
  85
  86     /* Get requested coordinates */
  87     var_Get( p_vout, "video-x", &val );
  88     *pi_x_hint = val.i_int ;
  89     var_Get( p_vout, "video-y", &val );
  90     *pi_y_hint = val.i_int;
  91
  92     *pi_width_hint = p_vout->i_window_width;
  93     *pi_height_hint = p_vout->i_window_height;
  94
  95     /* Check whether someone provided us with a window ID */
  96     var_Get( p_vout->p_libvlc, "drawable", &val );
  97     if( val.i_int ) return (void *)val.i_int;
  98
  99     /* Find if the main interface supports embedding */
 100     p_list = vlc_list_find( p_vout, VLC_OBJECT_INTF, FIND_ANYWHERE );
 101     if( !p_list ) return NULL;
 102
 103     for( i = 0; i < p_list->i_count; i++ )
 104     {
 105         p_intf = (intf_thread_t *)p_list->p_values[i].p_object;
 106         if( p_intf->b_block && p_intf->pf_request_window ) break;
 107         p_intf = NULL;
 108     }
 109
 110     if( !p_intf )
 111     {
 112         vlc_list_release( p_list );
 113         return NULL;
 114     }
 115
 116     vlc_object_yield( p_intf );
 117     vlc_list_release( p_list );
 118
 119     p_window = p_intf->pf_request_window( p_intf, p_vout, pi_x_hint, pi_y_hint,
 120                                           pi_width_hint, pi_height_hint );
 121
 122     if( !p_window ) vlc_object_release( p_intf );
 123     else p_vout->p_parent_intf = p_intf;
 124
 125     return p_window;
 126 }
 127
 128 void vout_ReleaseWindow( vout_thread_t *p_vout, void *p_window )
 129 {
 130     intf_thread_t *p_intf = p_vout->p_parent_intf;
 131
 132     if( !p_intf ) return;
 133
 134     vlc_mutex_lock( &p_intf->object_lock );
 135     if( p_intf->b_dead )
 136     {
 137         vlc_mutex_unlock( &p_intf->object_lock );
 138         return;
 139     }
 140
 141     if( !p_intf->pf_release_window )
 142     {
 143         msg_Err( p_vout, "no pf_release_window");
 144         vlc_mutex_unlock( &p_intf->object_lock );
 145         vlc_object_release( p_intf );
 146         return;
 147     }
 148
 149     p_intf->pf_release_window( p_intf, p_window );
 150
 151     p_vout->p_parent_intf = NULL;
 152     vlc_mutex_unlock( &p_intf->object_lock );
 153     vlc_object_release( p_intf );
 154 }
 155
 156 int vout_ControlWindow( vout_thread_t *p_vout, void *p_window,
 157                         int i_query, va_list args )
 158 {
 159     intf_thread_t *p_intf = p_vout->p_parent_intf;
 160     int i_ret;
 161
 162     if( !p_intf ) return VLC_EGENERIC;
 163
 164     vlc_mutex_lock( &p_intf->object_lock );
 165     if( p_intf->b_dead )
 166     {
 167         vlc_mutex_unlock( &p_intf->object_lock );
 168         return VLC_EGENERIC;
 169     }
 170
 171     if( !p_intf->pf_control_window )
 172     {
 173         msg_Err( p_vout, "no pf_control_window");
 174         vlc_mutex_unlock( &p_intf->object_lock );
 175         return VLC_EGENERIC;
 176     }
 177
 178     i_ret = p_intf->pf_control_window( p_intf, p_window, i_query, args );
 179     vlc_mutex_unlock( &p_intf->object_lock );
 180     return i_ret;
 181 }
 182
 183 /*****************************************************************************
 184  * vout_IntfInit: called during the vout creation to initialise misc things.
 185  *****************************************************************************/
 186 void vout_IntfInit( vout_thread_t *p_vout )
 187 {
 188     vlc_value_t val, text, old_val;
 189     vlc_bool_t b_force_par = VLC_FALSE;
 190     char *psz_buf;
 191
 192     /* Create a few object variables we'll need later on */
 193     var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 194     var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 195     var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 196     var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 197     var_Create( p_vout, "snapshot-sequential",
 198                 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 199     var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
 200     var_SetInteger( p_vout, "snapshot-num", 1 );
 201
 202     var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 203     var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 204     var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 205     var_Get( p_vout, "align", &val );
 206     p_vout->i_alignment = val.i_int;
 207
 208     var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 209     var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 210
 211     /* Zoom object var */
 212     var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
 213                 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
 214
 215     text.psz_string = _("Zoom");
 216     var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
 217
 218     var_Get( p_vout, "zoom", &old_val );
 219     if( old_val.f_float == 0.25 ||
 220         old_val.f_float == 0.5 ||
 221         old_val.f_float == 1 ||
 222         old_val.f_float == 2 )
 223     {
 224         var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
 225     }
 226
 227     val.f_float = 0.25; text.psz_string = _("1:4 Quarter");
 228     var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
 229     val.f_float = 0.5; text.psz_string = _("1:2 Half");
 230     var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
 231     val.f_float = 1; text.psz_string = _("1:1 Original");
 232     var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
 233     val.f_float = 2; text.psz_string = _("2:1 Double");
 234     var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
 235
 236     var_Set( p_vout, "zoom", old_val );
 237
 238     var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
 239
 240     /* Crop offset vars */
 241     var_Create( p_vout, "crop-left", VLC_VAR_INTEGER );
 242     var_Create( p_vout, "crop-top", VLC_VAR_INTEGER );
 243     var_Create( p_vout, "crop-right", VLC_VAR_INTEGER );
 244     var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER );
 245
 246     var_SetInteger( p_vout, "crop-left", 0 );
 247     var_SetInteger( p_vout, "crop-top", 0 );
 248     var_SetInteger( p_vout, "crop-right", 0 );
 249     var_SetInteger( p_vout, "crop-bottom", 0 );
 250
 251     var_AddCallback( p_vout, "crop-left", CropCallback, NULL );
 252     var_AddCallback( p_vout, "crop-top", CropCallback, NULL );
 253     var_AddCallback( p_vout, "crop-right", CropCallback, NULL );
 254     var_AddCallback( p_vout, "crop-bottom", CropCallback, NULL );
 255
 256     /* Crop object var */
 257     var_Create( p_vout, "crop", VLC_VAR_STRING |
 258                 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
 259
 260     text.psz_string = _("Crop");
 261     var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
 262
 263     val.psz_string = "";
 264     var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
 265     val.psz_string = ""; text.psz_string = _("Default");
 266     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 267     val.psz_string = "1:1"; text.psz_string = "1:1";
 268     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 269     val.psz_string = "4:3"; text.psz_string = "4:3";
 270     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 271     val.psz_string = "16:9"; text.psz_string = "16:9";
 272     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 273     val.psz_string = "16:10"; text.psz_string = "16:10";
 274     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 275     val.psz_string = "221:100"; text.psz_string = "221:100";
 276     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 277     val.psz_string = "5:4"; text.psz_string = "5:4";
 278     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 279
 280     /* Add custom crop ratios */
 281     psz_buf = config_GetPsz( p_vout, "custom-crop-ratios" );
 282     if( psz_buf && *psz_buf )
 283     {
 284         char *psz_cur = psz_buf;
 285         char *psz_next;
 286         while( psz_cur && *psz_cur )
 287         {
 288             psz_next = strchr( psz_cur, ',' );
 289             if( psz_next )
 290             {
 291                 *psz_next = '\0';
 292                 psz_next++;
 293             }
 294             val.psz_string = strdup( psz_cur );
 295             text.psz_string = strdup( psz_cur );
 296             var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text);
 297             free( val.psz_string );
 298             free( text.psz_string );
 299             psz_cur = psz_next;
 300         }
 301     }
 302     if( psz_buf ) free( psz_buf );
 303
 304     var_AddCallback( p_vout, "crop", CropCallback, NULL );
 305     var_Get( p_vout, "crop", &old_val );
 306     if( old_val.psz_string && *old_val.psz_string )
 307         var_Change( p_vout, "crop", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
 308     if( old_val.psz_string ) free( old_val.psz_string );
 309
 310     /* Monitor pixel aspect-ratio */
 311     var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 312     var_Get( p_vout, "monitor-par", &val );
 313     if( val.psz_string && *val.psz_string )
 314     {
 315         char *psz_parser = strchr( val.psz_string, ':' );
 316         unsigned int i_aspect_num = 0, i_aspect_den = 0;
 317         float i_aspect = 0;
 318         if( psz_parser )
 319         {
 320             i_aspect_num = strtol( val.psz_string, 0, 10 );
 321             i_aspect_den = strtol( ++psz_parser, 0, 10 );
 322         }
 323         else
 324         {
 325             i_aspect = atof( val.psz_string );
 326             vlc_ureduce( &i_aspect_num, &i_aspect_den,
 327                          i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
 328         }
 329         if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
 330
 331         p_vout->i_par_num = i_aspect_num;
 332         p_vout->i_par_den = i_aspect_den;
 333
 334         vlc_ureduce( &p_vout->i_par_num, &p_vout->i_par_den,
 335                      p_vout->i_par_num, p_vout->i_par_den, 0 );
 336
 337         msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
 338                  p_vout->i_par_num, p_vout->i_par_den );
 339         b_force_par = VLC_TRUE;
 340     }
 341     if( val.psz_string ) free( val.psz_string );
 342
 343     /* Aspect-ratio object var */
 344     var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING |
 345                 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
 346
 347     text.psz_string = _("Aspect-ratio");
 348     var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
 349
 350     val.psz_string = "";
 351     var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
 352     val.psz_string = ""; text.psz_string = _("Default");
 353     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 354     val.psz_string = "1:1"; text.psz_string = "1:1";
 355     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 356     val.psz_string = "4:3"; text.psz_string = "4:3";
 357     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 358     val.psz_string = "16:9"; text.psz_string = "16:9";
 359     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 360     val.psz_string = "16:10"; text.psz_string = "16:10";
 361     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 362     val.psz_string = "221:100"; text.psz_string = "221:100";
 363     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 364     val.psz_string = "5:4"; text.psz_string = "5:4";
 365     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 366
 367     /* Add custom aspect ratios */
 368     psz_buf = config_GetPsz( p_vout, "custom-aspect-ratios" );
 369     if( psz_buf && *psz_buf )
 370     {
 371         char *psz_cur = psz_buf;
 372         char *psz_next;
 373         while( psz_cur && *psz_cur )
 374         {
 375             psz_next = strchr( psz_cur, ',' );
 376             if( psz_next )
 377             {
 378                 *psz_next = '\0';
 379                 psz_next++;
 380             }
 381             val.psz_string = strdup( psz_cur );
 382             text.psz_string = strdup( psz_cur );
 383             var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text);
 384             free( val.psz_string );
 385             free( text.psz_string );
 386             psz_cur = psz_next;
 387         }
 388     }
 389     if( psz_buf ) free( psz_buf );
 390
 391     var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
 392     var_Get( p_vout, "aspect-ratio", &old_val );
 393     if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
 394         var_Change( p_vout, "aspect-ratio", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
 395     if( old_val.psz_string ) free( old_val.psz_string );
 396
 397     /* Initialize the dimensions of the video window */
 398     InitWindowSize( p_vout, &p_vout->i_window_width,
 399                     &p_vout->i_window_height );
 400
 401     /* Add a variable to indicate if the window should be on top of others */
 402     var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 403     text.psz_string = _("Always on top");
 404     var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
 405     var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
 406
 407     /* Add a variable to indicate whether we want window decoration or not */
 408     var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 409
 410     /* Add a fullscreen variable */
 411     var_Create( p_vout, "fullscreen", VLC_VAR_BOOL );
 412     text.psz_string = _("Fullscreen");
 413     var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
 414     var_Change( p_vout, "fullscreen", VLC_VAR_INHERITVALUE, &val, NULL );
 415     if( val.b_bool )
 416     {
 417         /* user requested fullscreen */
 418         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 419     }
 420     var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
 421
 422     /* Add a snapshot variable */
 423     var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
 424     text.psz_string = _("Snapshot");
 425     var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
 426     var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
 427
 428     /* Mouse coordinates */
 429     var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
 430     var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
 431     var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
 432     var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
 433     var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
 434
 435     var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
 436     val.b_bool = VLC_TRUE;
 437     var_Set( p_vout, "intf-change", val );
 438 }
 439
 440 /*****************************************************************************
 441  * vout_Snapshot: generates a snapshot.
 442  *****************************************************************************/
 443 int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
 444 {
 445     image_handler_t *p_image = image_HandlerCreate( p_vout );
 446     video_format_t fmt_in = {0}, fmt_out = {0};
 447     char *psz_filename = NULL;
 448     subpicture_t *p_subpic;
 449     picture_t *p_pif;
 450     vlc_value_t val, format;
 451     DIR *path;
 452
 453     int i_ret;
 454
 455     var_Get( p_vout, "snapshot-path", &val );
 456     if( val.psz_string && !*val.psz_string )
 457     {
 458         free( val.psz_string );
 459         val.psz_string = 0;
 460     }
 461
 462     /* Embedded snapshot : if snapshot-path == object:object-id, then
 463        create a snapshot_t* and store it in
 464        object(object-id)->p_private, then unlock and signal the
 465        waiting object.
 466      */
 467     if( val.psz_string && !strncmp( val.psz_string, "object:", 7 ) )
 468     {
 469         int i_id;
 470         vlc_object_t* p_dest;
 471         block_t *p_block;
 472         snapshot_t *p_snapshot;
 473         int i_size;
 474
 475         /* Destination object-id is following object: */
 476         i_id = atoi( &val.psz_string[7] );
 477         p_dest = ( vlc_object_t* )vlc_current_object( i_id );
 478         if( !p_dest )
 479         {
 480             msg_Err( p_vout, "Cannot find calling object" );
 481             image_HandlerDelete( p_image );
 482             return VLC_EGENERIC;
 483         }
 484         /* Object must be locked. We will unlock it once we get the
 485            snapshot and written it to p_private */
 486         p_dest->p_private = NULL;
 487
 488         /* Save the snapshot to a memory zone */
 489         fmt_in = p_vout->fmt_in;
 490         fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
 491         /* FIXME: should not be hardcoded. We should be able to
 492         specify the snapshot size (snapshot-width and snapshot-height). */
 493         fmt_out.i_width = 320;
 494         fmt_out.i_height = 200;
 495         fmt_out.i_chroma = VLC_FOURCC( 'p','n','g',' ' );
 496         p_block = ( block_t* ) image_Write( p_image, p_pic, &fmt_in, &fmt_out );
 497         if( !p_block )
 498         {
 499             msg_Err( p_vout, "Could not get snapshot" );
 500             image_HandlerDelete( p_image );
 501             vlc_cond_signal( &p_dest->object_wait );
 502             vlc_mutex_unlock( &p_dest->object_lock );
 503             vlc_object_release( p_dest );
 504             return VLC_EGENERIC;
 505         }
 506
 507         /* Copy the p_block data to a snapshot structure */
 508         /* FIXME: get the timestamp */
 509         p_snapshot = ( snapshot_t* ) malloc( sizeof( snapshot_t ) );
 510         if( !p_snapshot )
 511         {
 512             block_Release( p_block );
 513             image_HandlerDelete( p_image );
 514             vlc_cond_signal( &p_dest->object_wait );
 515             vlc_mutex_unlock( &p_dest->object_lock );
 516             vlc_object_release( p_dest );
 517             return VLC_ENOMEM;
 518         }
 519
 520         i_size = p_block->i_buffer;
 521
 522         p_snapshot->i_width = fmt_out.i_width;
 523         p_snapshot->i_height = fmt_out.i_height;
 524         p_snapshot->i_datasize = i_size;
 525         p_snapshot->date = p_block->i_pts; /* FIXME ?? */
 526         p_snapshot->p_data = ( char* ) malloc( i_size );
 527         if( !p_snapshot->p_data )
 528         {
 529             block_Release( p_block );
 530             free( p_snapshot );
 531             image_HandlerDelete( p_image );
 532             vlc_cond_signal( &p_dest->object_wait );
 533             vlc_mutex_unlock( &p_dest->object_lock );
 534             vlc_object_release( p_dest );
 535             return VLC_ENOMEM;
 536         }
 537         memcpy( p_snapshot->p_data, p_block->p_buffer, p_block->i_buffer );
 538
 539         p_dest->p_private = p_snapshot;
 540
 541         block_Release( p_block );
 542
 543         /* Unlock the object */
 544         vlc_cond_signal( &p_dest->object_wait );
 545         vlc_mutex_unlock( &p_dest->object_lock );
 546         vlc_object_release( p_dest );
 547
 548         image_HandlerDelete( p_image );
 549         return VLC_SUCCESS;
 550     }
 551
 552
 553 #if defined(__APPLE__) || defined(SYS_BEOS)
 554     if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
 555     {
 556         asprintf( &val.psz_string, "%s/Desktop",
 557                   p_vout->p_libvlc->psz_homedir );
 558     }
 559
 560 #elif defined(WIN32) && !defined(UNDER_CE)
 561     if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
 562     {
 563         /* Get the My Pictures folder path */
 564
 565         char *p_mypicturesdir = NULL;
 566         typedef HRESULT (WINAPI *SHGETFOLDERPATH)( HWND, int, HANDLE, DWORD,
 567                                                    LPWSTR );
 568         #ifndef CSIDL_FLAG_CREATE
 569         #   define CSIDL_FLAG_CREATE 0x8000
 570         #endif
 571         #ifndef CSIDL_MYPICTURES
 572         #   define CSIDL_MYPICTURES 0x27
 573         #endif
 574         #ifndef SHGFP_TYPE_CURRENT
 575         #   define SHGFP_TYPE_CURRENT 0
 576         #endif
 577
 578         HINSTANCE shfolder_dll;
 579         SHGETFOLDERPATH SHGetFolderPath ;
 580
 581         /* load the shfolder dll to retrieve SHGetFolderPath */
 582         if( ( shfolder_dll = LoadLibrary( _T("SHFolder.dll") ) ) != NULL )
 583         {
 584            wchar_t wdir[PATH_MAX];
 585            SHGetFolderPath = (void *)GetProcAddress( shfolder_dll,
 586                                                       _T("SHGetFolderPathW") );
 587             if ((SHGetFolderPath != NULL )
 588              && SUCCEEDED (SHGetFolderPath (NULL,
 589                                            CSIDL_MYPICTURES | CSIDL_FLAG_CREATE,
 590                                            NULL, SHGFP_TYPE_CURRENT,
 591                                            wdir)))
 592                 p_mypicturesdir = FromWide (wdir);
 593
 594             FreeLibrary( shfolder_dll );
 595         }
 596
 597         if( p_mypicturesdir == NULL )
 598         {
 599             asprintf( &val.psz_string, "%s/" CONFIG_DIR,
 600                       p_vout->p_libvlc->psz_homedir );
 601         }
 602         else
 603         {
 604             asprintf( &val.psz_string, p_mypicturesdir );
 605             free( p_mypicturesdir );
 606         }
 607     }
 608
 609 #else
 610     if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
 611     {
 612         asprintf( &val.psz_string, "%s/" CONFIG_DIR,
 613                   p_vout->p_libvlc->psz_homedir );
 614     }
 615 #endif
 616
 617     if( !val.psz_string )
 618     {
 619         msg_Err( p_vout, "no path specified for snapshots" );
 620         return VLC_EGENERIC;
 621     }
 622     var_Get( p_vout, "snapshot-format", &format );
 623     if( !format.psz_string || !*format.psz_string )
 624     {
 625         if( format.psz_string ) free( format.psz_string );
 626         format.psz_string = strdup( "png" );
 627     }
 628
 629     /*
 630      * Did the user specify a directory? If not, path = NULL.
 631      */
 632     path = utf8_opendir ( (const char *)val.psz_string  );
 633
 634     if ( path != NULL )
 635     {
 636         char *psz_prefix = var_GetString( p_vout, "snapshot-prefix" );
 637         if( !psz_prefix ) psz_prefix = strdup( "vlcsnap-" );
 638
 639         closedir( path );
 640         if( var_GetBool( p_vout, "snapshot-sequential" ) == VLC_TRUE )
 641         {
 642             int i_num = var_GetInteger( p_vout, "snapshot-num" );
 643             FILE *p_file;
 644             do
 645             {
 646                 asprintf( &psz_filename, "%s/%s%05d.%s", val.psz_string,
 647                           psz_prefix, i_num++, format.psz_string );
 648             }
 649             while( ( p_file = utf8_fopen( psz_filename, "r" ) ) && !fclose( p_file ) );
 650             var_SetInteger( p_vout, "snapshot-num", i_num );
 651         }
 652         else
 653         {
 654             asprintf( &psz_filename, "%s/%s%u.%s", val.psz_string,
 655                       psz_prefix,
 656                       (unsigned int)(p_pic->date / 100000) & 0xFFFFFF,
 657                       format.psz_string );
 658         }
 659
 660         free( psz_prefix );
 661     }
 662     else // The user specified a full path name (including file name)
 663     {
 664         psz_filename = str_format_meta( p_vout, val.psz_string );
 665     }
 666
 667     free( val.psz_string );
 668     free( format.psz_string );
 669
 670     /* Save the snapshot */
 671     fmt_in = p_vout->fmt_in;
 672     fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
 673     i_ret = image_WriteUrl( p_image, p_pic, &fmt_in, &fmt_out, psz_filename );
 674     if( i_ret != VLC_SUCCESS )
 675     {
 676         msg_Err( p_vout, "could not create snapshot %s", psz_filename );
 677         free( psz_filename );
 678         image_HandlerDelete( p_image );
 679         return VLC_EGENERIC;
 680     }
 681
 682     msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
 683     vout_OSDMessage( VLC_OBJECT( p_vout ), DEFAULT_CHAN,
 684                      "%s", psz_filename );
 685     free( psz_filename );
 686
 687     if( var_GetBool( p_vout, "snapshot-preview" ) )
 688     {
 689         /* Inject a subpicture with the snapshot */
 690         memset( &fmt_out, 0, sizeof(fmt_out) );
 691         fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
 692         p_pif = image_Convert( p_image, p_pic, &fmt_in, &fmt_out );
 693         image_HandlerDelete( p_image );
 694         if( !p_pif ) return VLC_EGENERIC;
 695
 696         p_subpic = spu_CreateSubpicture( p_vout->p_spu );
 697         if( p_subpic == NULL )
 698         {
 699              p_pif->pf_release( p_pif );
 700              return VLC_EGENERIC;
 701         }
 702
 703         p_subpic->i_channel = 0;
 704         p_subpic->i_start = mdate();
 705         p_subpic->i_stop = mdate() + 4000000;
 706         p_subpic->b_ephemer = VLC_TRUE;
 707         p_subpic->b_fade = VLC_TRUE;
 708         p_subpic->i_original_picture_width = p_vout->render.i_width * 4;
 709         p_subpic->i_original_picture_height = p_vout->render.i_height * 4;
 710
 711         p_subpic->p_region = spu_CreateRegion( p_vout->p_spu, &fmt_out );
 712         vout_CopyPicture( p_image->p_parent, &p_subpic->p_region->picture,
 713                           p_pif );
 714         p_pif->pf_release( p_pif );
 715
 716         spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
 717     }
 718     else
 719     {
 720         image_HandlerDelete( p_image );
 721     }
 722
 723     return VLC_SUCCESS;
 724 }
 725
 726 /*****************************************************************************
 727  * Handle filters
 728  *****************************************************************************/
 729
 730 void vout_EnableFilter( vout_thread_t *p_vout, char *psz_name,
 731                         vlc_bool_t b_add, vlc_bool_t b_setconfig )
 732 {
 733     char *psz_parser;
 734     char *psz_string = config_GetPsz( p_vout, "vout-filter" );
 735
 736     /* Todo : Use some generic chain manipulation functions */
 737     if( !psz_string ) psz_string = strdup("");
 738
 739     psz_parser = strstr( psz_string, psz_name );
 740     if( b_add )
 741     {
 742         if( !psz_parser )
 743         {
 744             psz_parser = psz_string;
 745             asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
 746                             psz_string, psz_name );
 747             free( psz_parser );
 748         }
 749         else
 750             return;
 751     }
 752     else
 753     {
 754         if( psz_parser )
 755         {
 756             memmove( psz_parser, psz_parser + strlen(psz_name) +
 757                             (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
 758                             strlen(psz_parser + strlen(psz_name)) + 1 );
 759
 760             /* Remove trailing : : */
 761             if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
 762             {
 763                 *(psz_string+strlen(psz_string ) -1 ) = '\0';
 764             }
 765          }
 766          else
 767          {
 768              free( psz_string );
 769              return;
 770          }
 771     }
 772     if( b_setconfig )
 773         config_PutPsz( p_vout, "vout-filter", psz_string );
 774
 775     var_SetString( p_vout, "vout-filter", psz_string );
 776     free( psz_string );
 777 }
 778
 779 /*****************************************************************************
 780  * vout_ControlDefault: default methods for video output control.
 781  *****************************************************************************/
 782 int vout_vaControlDefault( vout_thread_t *p_vout, int i_query, va_list args )
 783 {
 784     switch( i_query )
 785     {
 786     case VOUT_REPARENT:
 787     case VOUT_CLOSE:
 788         if( p_vout->p_parent_intf )
 789         {
 790             vlc_object_release( p_vout->p_parent_intf );
 791             p_vout->p_parent_intf = NULL;
 792         }
 793         return VLC_SUCCESS;
 794         break;
 795
 796     case VOUT_SNAPSHOT:
 797         p_vout->b_snapshot = VLC_TRUE;
 798         return VLC_SUCCESS;
 799         break;
 800
 801     default:
 802         msg_Dbg( p_vout, "control query not supported" );
 803         return VLC_EGENERIC;
 804     }
 805 }
 806
 807 /*****************************************************************************
 808  * InitWindowSize: find the initial dimensions the video window should have.
 809  *****************************************************************************
 810  * This function will check the "width", "height" and "zoom" config options and
 811  * will calculate the size that the video window should have.
 812  *****************************************************************************/
 813 static void InitWindowSize( vout_thread_t *p_vout, unsigned *pi_width,
 814                             unsigned *pi_height )
 815 {
 816     vlc_value_t val;
 817     int i_width, i_height;
 818     uint64_t ll_zoom;
 819
 820 #define FP_FACTOR 1000                             /* our fixed point factor */
 821
 822     var_Get( p_vout, "width", &val );
 823     i_width = val.i_int;
 824     var_Get( p_vout, "height", &val );
 825     i_height = val.i_int;
 826     var_Get( p_vout, "zoom", &val );
 827     ll_zoom = (uint64_t)( FP_FACTOR * val.f_float );
 828
 829     if( i_width > 0 && i_height > 0)
 830     {
 831         *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
 832         *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
 833         goto initwsize_end;
 834     }
 835     else if( i_width > 0 )
 836     {
 837         *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
 838         *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
 839             p_vout->fmt_in.i_sar_den * i_width / p_vout->fmt_in.i_sar_num /
 840             FP_FACTOR / p_vout->fmt_in.i_visible_width );
 841         goto initwsize_end;
 842     }
 843     else if( i_height > 0 )
 844     {
 845         *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
 846         *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
 847             p_vout->fmt_in.i_sar_num * i_height / p_vout->fmt_in.i_sar_den /
 848             FP_FACTOR / p_vout->fmt_in.i_visible_height );
 849         goto initwsize_end;
 850     }
 851
 852     if( p_vout->fmt_in.i_sar_num >= p_vout->fmt_in.i_sar_den )
 853     {
 854         *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
 855             p_vout->fmt_in.i_sar_num / p_vout->fmt_in.i_sar_den / FP_FACTOR );
 856         *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom
 857             / FP_FACTOR );
 858     }
 859     else
 860     {
 861         *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom
 862             / FP_FACTOR );
 863         *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
 864             p_vout->fmt_in.i_sar_den / p_vout->fmt_in.i_sar_num / FP_FACTOR );
 865     }
 866
 867 initwsize_end:
 868     msg_Dbg( p_vout, "window size: %dx%d", p_vout->i_window_width,
 869              p_vout->i_window_height );
 870
 871 #undef FP_FACTOR
 872 }
 873
 874 /*****************************************************************************
 875  * Object variables callbacks
 876  *****************************************************************************/
 877 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
 878                          vlc_value_t oldval, vlc_value_t newval, void *p_data )
 879 {
 880     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 881     InitWindowSize( p_vout, &p_vout->i_window_width,
 882                     &p_vout->i_window_height );
 883     vout_Control( p_vout, VOUT_SET_SIZE, p_vout->i_window_width,
 884                   p_vout->i_window_height );
 885     return VLC_SUCCESS;
 886 }
 887
 888 static int CropCallback( vlc_object_t *p_this, char const *psz_cmd,
 889                          vlc_value_t oldval, vlc_value_t newval, void *p_data )
 890 {
 891     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 892     int64_t i_aspect_num, i_aspect_den;
 893     unsigned int i_width, i_height;
 894
 895     /* Restore defaults */
 896     p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset;
 897     p_vout->fmt_in.i_visible_width = p_vout->fmt_render.i_visible_width;
 898     p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset;
 899     p_vout->fmt_in.i_visible_height = p_vout->fmt_render.i_visible_height;
 900
 901     if( !strcmp( psz_cmd, "crop" ) )
 902     {
 903         char *psz_end = NULL, *psz_parser = strchr( newval.psz_string, ':' );
 904         if( psz_parser )
 905         {
 906             /* We're using the 3:4 syntax */
 907             i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
 908             if( psz_end == newval.psz_string || !i_aspect_num ) goto crop_end;
 909
 910             i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
 911             if( psz_end == psz_parser || !i_aspect_den ) goto crop_end;
 912
 913             i_width = p_vout->fmt_in.i_sar_den*p_vout->fmt_render.i_visible_height *
 914                 i_aspect_num / i_aspect_den / p_vout->fmt_in.i_sar_num;
 915             i_height = p_vout->fmt_render.i_visible_width*p_vout->fmt_in.i_sar_num *
 916                 i_aspect_den / i_aspect_num / p_vout->fmt_in.i_sar_den;
 917
 918             if( i_width < p_vout->fmt_render.i_visible_width )
 919             {
 920                 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset +
 921                     (p_vout->fmt_render.i_visible_width - i_width) / 2;
 922                 p_vout->fmt_in.i_visible_width = i_width;
 923             }
 924             else
 925             {
 926                 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset +
 927                     (p_vout->fmt_render.i_visible_height - i_height) / 2;
 928                 p_vout->fmt_in.i_visible_height = i_height;
 929             }
 930         }
 931         else
 932         {
 933             psz_parser = strchr( newval.psz_string, 'x' );
 934             if( psz_parser )
 935             {
 936                 /* Maybe we're using the <width>x<height>+<left>+<top> syntax */
 937                 unsigned int i_crop_width, i_crop_height, i_crop_top, i_crop_left;
 938
 939                 i_crop_width = strtol( newval.psz_string, &psz_end, 10 );
 940                 if( psz_end != psz_parser ) goto crop_end;
 941
 942                 psz_parser = strchr( ++psz_end, '+' );
 943                 i_crop_height = strtol( psz_end, &psz_end, 10 );
 944                 if( psz_end != psz_parser ) goto crop_end;
 945
 946                 psz_parser = strchr( ++psz_end, '+' );
 947                 i_crop_left = strtol( psz_end, &psz_end, 10 );
 948                 if( psz_end != psz_parser ) goto crop_end;
 949
 950                 psz_end++;
 951                 i_crop_top = strtol( psz_end, &psz_end, 10 );
 952                 if( *psz_end != '\0' ) goto crop_end;
 953
 954                 i_width = i_crop_width;
 955                 p_vout->fmt_in.i_visible_width = i_width;
 956
 957                 i_height = i_crop_height;
 958                 p_vout->fmt_in.i_visible_height = i_height;
 959
 960                 p_vout->fmt_in.i_x_offset = i_crop_left;
 961                 p_vout->fmt_in.i_y_offset = i_crop_top;
 962             }
 963             else
 964             {
 965                 /* Maybe we're using the <left>+<top>+<right>+<bottom> syntax */
 966                 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
 967
 968                 psz_parser = strchr( newval.psz_string, '+' );
 969                 i_crop_left = strtol( newval.psz_string, &psz_end, 10 );
 970                 if( psz_end != psz_parser ) goto crop_end;
 971
 972                 psz_parser = strchr( ++psz_end, '+' );
 973                 i_crop_top = strtol( psz_end, &psz_end, 10 );
 974                 if( psz_end != psz_parser ) goto crop_end;
 975
 976                 psz_parser = strchr( ++psz_end, '+' );
 977                 i_crop_right = strtol( psz_end, &psz_end, 10 );
 978                 if( psz_end != psz_parser ) goto crop_end;
 979
 980                 psz_end++;
 981                 i_crop_bottom = strtol( psz_end, &psz_end, 10 );
 982                 if( *psz_end != '\0' ) goto crop_end;
 983
 984                 i_width = p_vout->fmt_render.i_visible_width
 985                           - i_crop_left - i_crop_right;
 986                 p_vout->fmt_in.i_visible_width = i_width;
 987
 988                 i_height = p_vout->fmt_render.i_visible_height
 989                            - i_crop_top - i_crop_bottom;
 990                 p_vout->fmt_in.i_visible_height = i_height;
 991
 992                 p_vout->fmt_in.i_x_offset = i_crop_left;
 993                 p_vout->fmt_in.i_y_offset = i_crop_top;
 994             }
 995         }
 996     }
 997     else if( !strcmp( psz_cmd, "crop-top" )
 998           || !strcmp( psz_cmd, "crop-left" )
 999           || !strcmp( psz_cmd, "crop-bottom" )
1000           || !strcmp( psz_cmd, "crop-right" ) )
1001     {
1002         unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
1003
1004         i_crop_top = var_GetInteger( p_vout, "crop-top" );
1005         i_crop_left = var_GetInteger( p_vout, "crop-left" );
1006         i_crop_right = var_GetInteger( p_vout, "crop-right" );
1007         i_crop_bottom = var_GetInteger( p_vout, "crop-bottom" );
1008
1009         i_width = p_vout->fmt_render.i_visible_width
1010                   - i_crop_left - i_crop_right;
1011         p_vout->fmt_in.i_visible_width = i_width;
1012
1013         i_height = p_vout->fmt_render.i_visible_height
1014                    - i_crop_top - i_crop_bottom;
1015         p_vout->fmt_in.i_visible_height = i_height;
1016
1017         p_vout->fmt_in.i_x_offset = i_crop_left;
1018         p_vout->fmt_in.i_y_offset = i_crop_top;
1019     }
1020
1021  crop_end:
1022     InitWindowSize( p_vout, &p_vout->i_window_width,
1023                     &p_vout->i_window_height );
1024
1025     p_vout->i_changes |= VOUT_CROP_CHANGE;
1026
1027     msg_Dbg( p_vout, "cropping picture %ix%i to %i,%i,%ix%i",
1028              p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
1029              p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
1030              p_vout->fmt_in.i_visible_width,
1031              p_vout->fmt_in.i_visible_height );
1032
1033     return VLC_SUCCESS;
1034 }
1035
1036 static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
1037                          vlc_value_t oldval, vlc_value_t newval, void *p_data )
1038 {
1039     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1040     unsigned int i_aspect_num, i_aspect_den, i_sar_num, i_sar_den;
1041     vlc_value_t val;
1042
1043     char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
1044
1045     /* Restore defaults */
1046     p_vout->fmt_in.i_sar_num = p_vout->fmt_render.i_sar_num;
1047     p_vout->fmt_in.i_sar_den = p_vout->fmt_render.i_sar_den;
1048     p_vout->fmt_in.i_aspect = p_vout->fmt_render.i_aspect;
1049     p_vout->render.i_aspect = p_vout->fmt_render.i_aspect;
1050
1051     if( !psz_parser ) goto aspect_end;
1052
1053     i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
1054     if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
1055
1056     i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
1057     if( psz_end == psz_parser || !i_aspect_den ) goto aspect_end;
1058
1059     i_sar_num = i_aspect_num * p_vout->fmt_render.i_visible_height;
1060     i_sar_den = i_aspect_den * p_vout->fmt_render.i_visible_width;
1061     vlc_ureduce( &i_sar_num, &i_sar_den, i_sar_num, i_sar_den, 0 );
1062     p_vout->fmt_in.i_sar_num = i_sar_num;
1063     p_vout->fmt_in.i_sar_den = i_sar_den;
1064     p_vout->fmt_in.i_aspect = i_aspect_num * VOUT_ASPECT_FACTOR / i_aspect_den;
1065     p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
1066
1067  aspect_end:
1068     if( p_vout->i_par_num && p_vout->i_par_den )
1069     {
1070         p_vout->fmt_in.i_sar_num *= p_vout->i_par_den;
1071         p_vout->fmt_in.i_sar_den *= p_vout->i_par_num;
1072         p_vout->fmt_in.i_aspect = p_vout->fmt_in.i_aspect *
1073             p_vout->i_par_den / p_vout->i_par_num;
1074         p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
1075     }
1076
1077     p_vout->i_changes |= VOUT_ASPECT_CHANGE;
1078
1079     vlc_ureduce( &i_aspect_num, &i_aspect_den,
1080                  p_vout->fmt_in.i_aspect, VOUT_ASPECT_FACTOR, 0 );
1081     msg_Dbg( p_vout, "new aspect-ratio %i:%i, sample aspect-ratio %i:%i",
1082              i_aspect_num, i_aspect_den,
1083              p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
1084
1085     var_Get( p_vout, "crop", &val );
1086     return CropCallback( p_this, "crop", val, val, 0 );
1087
1088     return VLC_SUCCESS;
1089 }
1090
1091 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
1092                          vlc_value_t oldval, vlc_value_t newval, void *p_data )
1093 {
1094     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1095     playlist_t *p_playlist = pl_Yield( p_this );
1096     vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, newval.b_bool );
1097
1098     /* Modify playlist as well because the vout might have to be restarted */
1099     var_Create( p_playlist, "video-on-top", VLC_VAR_BOOL );
1100     var_Set( p_playlist, "video-on-top", newval );
1101
1102     pl_Release( p_this );
1103     return VLC_SUCCESS;
1104 }
1105
1106 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
1107                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1108 {
1109     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1110     vlc_value_t val;
1111     playlist_t *p_playlist = pl_Yield( p_this );
1112
1113     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1114
1115     /* Modify playlist as well because the vout might have to be restarted */
1116     var_Create( p_playlist, "fullscreen", VLC_VAR_BOOL );
1117     var_Set( p_playlist, "fullscreen", newval );
1118     pl_Release( p_playlist );
1119
1120     /* Disable "always on top" in fullscreen mode */
1121     var_Get( p_vout, "video-on-top", &val );
1122     if( val.b_bool )
1123         vout_Control( p_vout, VOUT_SET_STAY_ON_TOP,
1124                       (vlc_bool_t)!newval.b_bool );
1125
1126     val.b_bool = VLC_TRUE;
1127     var_Set( p_vout, "intf-change", val );
1128     return VLC_SUCCESS;
1129 }
1130
1131 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
1132                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1133 {
1134     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1135     vout_Control( p_vout, VOUT_SNAPSHOT );
1136     return VLC_SUCCESS;
1137 }