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 #include "charset.h"
  43
  44 #include <vlc_strings.h>
  45 #include <vlc_charset.h>
  46
  47 /*****************************************************************************
  48  * Local prototypes
  49  *****************************************************************************/
  50 static void InitWindowSize( vout_thread_t *, unsigned *, unsigned * );
  51
  52 /* Object variables callbacks */
  53 static int ZoomCallback( vlc_object_t *, char const *,
  54                          vlc_value_t, vlc_value_t, void * );
  55 static int CropCallback( vlc_object_t *, char const *,
  56                          vlc_value_t, vlc_value_t, void * );
  57 static int AspectCallback( vlc_object_t *, char const *,
  58                            vlc_value_t, vlc_value_t, void * );
  59 static int OnTopCallback( vlc_object_t *, char const *,
  60                           vlc_value_t, vlc_value_t, void * );
  61 static int FullscreenCallback( vlc_object_t *, char const *,
  62                                vlc_value_t, vlc_value_t, void * );
  63 static int SnapshotCallback( vlc_object_t *, char const *,
  64                              vlc_value_t, vlc_value_t, void * );
  65
  66 /*****************************************************************************
  67  * vout_RequestWindow: Create/Get a video window if possible.
  68  *****************************************************************************
  69  * This function looks for the main interface and tries to request
  70  * a new video window. If it fails then the vout will still need to create the
  71  * window by itself.
  72  *****************************************************************************/
  73 void *vout_RequestWindow( vout_thread_t *p_vout,
  74                           int *pi_x_hint, int *pi_y_hint,
  75                           unsigned int *pi_width_hint,
  76                           unsigned int *pi_height_hint )
  77 {
  78     intf_thread_t *p_intf = NULL;
  79     vlc_list_t *p_list;
  80     void *p_window;
  81     vlc_value_t val;
  82     int i;
  83
  84     /* Small kludge */
  85     if( !var_Type( p_vout, "aspect-ratio" ) ) vout_IntfInit( p_vout );
  86
  87     /* Get requested coordinates */
  88     var_Get( p_vout, "video-x", &val );
  89     *pi_x_hint = val.i_int ;
  90     var_Get( p_vout, "video-y", &val );
  91     *pi_y_hint = val.i_int;
  92
  93     *pi_width_hint = p_vout->i_window_width;
  94     *pi_height_hint = p_vout->i_window_height;
  95
  96     /* Check whether someone provided us with a window ID */
  97     var_Get( p_vout->p_libvlc, "drawable", &val );
  98     if( val.i_int ) return (void *)val.i_int;
  99
 100     /* Find if the main interface supports embedding */
 101     p_list = vlc_list_find( p_vout, VLC_OBJECT_INTF, FIND_ANYWHERE );
 102     if( !p_list ) return NULL;
 103
 104     for( i = 0; i < p_list->i_count; i++ )
 105     {
 106         p_intf = (intf_thread_t *)p_list->p_values[i].p_object;
 107         if( p_intf->b_block && p_intf->pf_request_window ) break;
 108         p_intf = NULL;
 109     }
 110
 111     if( !p_intf )
 112     {
 113         vlc_list_release( p_list );
 114         return NULL;
 115     }
 116
 117     vlc_object_yield( p_intf );
 118     vlc_list_release( p_list );
 119
 120     p_window = p_intf->pf_request_window( p_intf, p_vout, pi_x_hint, pi_y_hint,
 121                                           pi_width_hint, pi_height_hint );
 122
 123     if( !p_window ) vlc_object_release( p_intf );
 124     else p_vout->p_parent_intf = p_intf;
 125
 126     return p_window;
 127 }
 128
 129 void vout_ReleaseWindow( vout_thread_t *p_vout, void *p_window )
 130 {
 131     intf_thread_t *p_intf = p_vout->p_parent_intf;
 132
 133     if( !p_intf ) return;
 134
 135     vlc_mutex_lock( &p_intf->object_lock );
 136     if( p_intf->b_dead )
 137     {
 138         vlc_mutex_unlock( &p_intf->object_lock );
 139         return;
 140     }
 141
 142     if( !p_intf->pf_release_window )
 143     {
 144         msg_Err( p_vout, "no pf_release_window");
 145         vlc_mutex_unlock( &p_intf->object_lock );
 146         vlc_object_release( p_intf );
 147         return;
 148     }
 149
 150     p_intf->pf_release_window( p_intf, p_window );
 151
 152     p_vout->p_parent_intf = NULL;
 153     vlc_mutex_unlock( &p_intf->object_lock );
 154     vlc_object_release( p_intf );
 155 }
 156
 157 int vout_ControlWindow( vout_thread_t *p_vout, void *p_window,
 158                         int i_query, va_list args )
 159 {
 160     intf_thread_t *p_intf = p_vout->p_parent_intf;
 161     int i_ret;
 162
 163     if( !p_intf ) return VLC_EGENERIC;
 164
 165     vlc_mutex_lock( &p_intf->object_lock );
 166     if( p_intf->b_dead )
 167     {
 168         vlc_mutex_unlock( &p_intf->object_lock );
 169         return VLC_EGENERIC;
 170     }
 171
 172     if( !p_intf->pf_control_window )
 173     {
 174         msg_Err( p_vout, "no pf_control_window");
 175         vlc_mutex_unlock( &p_intf->object_lock );
 176         return VLC_EGENERIC;
 177     }
 178
 179     i_ret = p_intf->pf_control_window( p_intf, p_window, i_query, args );
 180     vlc_mutex_unlock( &p_intf->object_lock );
 181     return i_ret;
 182 }
 183
 184 /*****************************************************************************
 185  * vout_IntfInit: called during the vout creation to initialise misc things.
 186  *****************************************************************************/
 187 void vout_IntfInit( vout_thread_t *p_vout )
 188 {
 189     vlc_value_t val, text, old_val;
 190     vlc_bool_t b_force_par = VLC_FALSE;
 191     char *psz_buf;
 192
 193     /* Create a few object variables we'll need later on */
 194     var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 195     var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 196     var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 197     var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 198     var_Create( p_vout, "snapshot-sequential",
 199                 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 200     var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
 201     var_SetInteger( p_vout, "snapshot-num", 1 );
 202
 203     var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 204     var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 205     var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 206     var_Get( p_vout, "align", &val );
 207     p_vout->i_alignment = val.i_int;
 208
 209     var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 210     var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 211
 212     /* Zoom object var */
 213     var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
 214                 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
 215
 216     text.psz_string = _("Zoom");
 217     var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
 218
 219     var_Get( p_vout, "zoom", &old_val );
 220     if( old_val.f_float == 0.25 ||
 221         old_val.f_float == 0.5 ||
 222         old_val.f_float == 1 ||
 223         old_val.f_float == 2 )
 224     {
 225         var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
 226     }
 227
 228     val.f_float = 0.25; text.psz_string = _("1:4 Quarter");
 229     var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
 230     val.f_float = 0.5; text.psz_string = _("1:2 Half");
 231     var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
 232     val.f_float = 1; text.psz_string = _("1:1 Original");
 233     var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
 234     val.f_float = 2; text.psz_string = _("2:1 Double");
 235     var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
 236
 237     var_Set( p_vout, "zoom", old_val );
 238
 239     var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
 240
 241     /* Crop offset vars */
 242     var_Create( p_vout, "crop-left", VLC_VAR_INTEGER );
 243     var_Create( p_vout, "crop-top", VLC_VAR_INTEGER );
 244     var_Create( p_vout, "crop-right", VLC_VAR_INTEGER );
 245     var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER );
 246
 247     var_SetInteger( p_vout, "crop-left", 0 );
 248     var_SetInteger( p_vout, "crop-top", 0 );
 249     var_SetInteger( p_vout, "crop-right", 0 );
 250     var_SetInteger( p_vout, "crop-bottom", 0 );
 251
 252     var_AddCallback( p_vout, "crop-left", CropCallback, NULL );
 253     var_AddCallback( p_vout, "crop-top", CropCallback, NULL );
 254     var_AddCallback( p_vout, "crop-right", CropCallback, NULL );
 255     var_AddCallback( p_vout, "crop-bottom", CropCallback, NULL );
 256
 257     /* Crop object var */
 258     var_Create( p_vout, "crop", VLC_VAR_STRING |
 259                 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
 260
 261     text.psz_string = _("Crop");
 262     var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
 263
 264     val.psz_string = "";
 265     var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
 266     val.psz_string = ""; text.psz_string = _("Default");
 267     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 268     val.psz_string = "1:1"; text.psz_string = "1:1";
 269     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 270     val.psz_string = "4:3"; text.psz_string = "4:3";
 271     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 272     val.psz_string = "16:9"; text.psz_string = "16:9";
 273     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 274     val.psz_string = "16:10"; text.psz_string = "16:10";
 275     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 276     val.psz_string = "221:100"; text.psz_string = "221:100";
 277     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 278     val.psz_string = "5:4"; text.psz_string = "5:4";
 279     var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
 280
 281     /* Add custom crop ratios */
 282     psz_buf = config_GetPsz( p_vout, "custom-crop-ratios" );
 283     if( psz_buf && *psz_buf )
 284     {
 285         char *psz_cur = psz_buf;
 286         char *psz_next;
 287         while( psz_cur && *psz_cur )
 288         {
 289             psz_next = strchr( psz_cur, ',' );
 290             if( psz_next )
 291             {
 292                 *psz_next = '\0';
 293                 psz_next++;
 294             }
 295             val.psz_string = strdup( psz_cur );
 296             text.psz_string = strdup( psz_cur );
 297             var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text);
 298             free( val.psz_string );
 299             free( text.psz_string );
 300             psz_cur = psz_next;
 301         }
 302     }
 303     if( psz_buf ) free( psz_buf );
 304
 305     var_AddCallback( p_vout, "crop", CropCallback, NULL );
 306     var_Get( p_vout, "crop", &old_val );
 307     if( old_val.psz_string && *old_val.psz_string )
 308         var_Change( p_vout, "crop", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
 309     if( old_val.psz_string ) free( old_val.psz_string );
 310
 311     /* Monitor pixel aspect-ratio */
 312     var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 313     var_Get( p_vout, "monitor-par", &val );
 314     if( val.psz_string && *val.psz_string )
 315     {
 316         char *psz_parser = strchr( val.psz_string, ':' );
 317         unsigned int i_aspect_num = 0, i_aspect_den = 0;
 318         float i_aspect = 0;
 319         if( psz_parser )
 320         {
 321             i_aspect_num = strtol( val.psz_string, 0, 10 );
 322             i_aspect_den = strtol( ++psz_parser, 0, 10 );
 323         }
 324         else
 325         {
 326             i_aspect = atof( val.psz_string );
 327             vlc_ureduce( &i_aspect_num, &i_aspect_den,
 328                          i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
 329         }
 330         if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
 331
 332         p_vout->i_par_num = i_aspect_num;
 333         p_vout->i_par_den = i_aspect_den;
 334
 335         vlc_ureduce( &p_vout->i_par_num, &p_vout->i_par_den,
 336                      p_vout->i_par_num, p_vout->i_par_den, 0 );
 337
 338         msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
 339                  p_vout->i_par_num, p_vout->i_par_den );
 340         b_force_par = VLC_TRUE;
 341     }
 342     if( val.psz_string ) free( val.psz_string );
 343
 344     /* Aspect-ratio object var */
 345     var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING |
 346                 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
 347
 348     text.psz_string = _("Aspect-ratio");
 349     var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
 350
 351     val.psz_string = "";
 352     var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
 353     val.psz_string = ""; text.psz_string = _("Default");
 354     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 355     val.psz_string = "1:1"; text.psz_string = "1:1";
 356     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 357     val.psz_string = "4:3"; text.psz_string = "4:3";
 358     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 359     val.psz_string = "16:9"; text.psz_string = "16:9";
 360     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 361     val.psz_string = "16:10"; text.psz_string = "16:10";
 362     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 363     val.psz_string = "221:100"; text.psz_string = "221:100";
 364     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 365     val.psz_string = "5:4"; text.psz_string = "5:4";
 366     var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
 367
 368     /* Add custom aspect ratios */
 369     psz_buf = config_GetPsz( p_vout, "custom-aspect-ratios" );
 370     if( psz_buf && *psz_buf )
 371     {
 372         char *psz_cur = psz_buf;
 373         char *psz_next;
 374         while( psz_cur && *psz_cur )
 375         {
 376             psz_next = strchr( psz_cur, ',' );
 377             if( psz_next )
 378             {
 379                 *psz_next = '\0';
 380                 psz_next++;
 381             }
 382             val.psz_string = strdup( psz_cur );
 383             text.psz_string = strdup( psz_cur );
 384             var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text);
 385             free( val.psz_string );
 386             free( text.psz_string );
 387             psz_cur = psz_next;
 388         }
 389     }
 390     if( psz_buf ) free( psz_buf );
 391
 392     var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
 393     var_Get( p_vout, "aspect-ratio", &old_val );
 394     if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
 395         var_Change( p_vout, "aspect-ratio", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
 396     if( old_val.psz_string ) free( old_val.psz_string );
 397
 398     /* Initialize the dimensions of the video window */
 399     InitWindowSize( p_vout, &p_vout->i_window_width,
 400                     &p_vout->i_window_height );
 401
 402     /* Add a variable to indicate if the window should be on top of others */
 403     var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 404     text.psz_string = _("Always on top");
 405     var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
 406     var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
 407
 408     /* Add a variable to indicate whether we want window decoration or not */
 409     var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 410
 411     /* Add a fullscreen variable */
 412     var_Create( p_vout, "fullscreen", VLC_VAR_BOOL );
 413     text.psz_string = _("Fullscreen");
 414     var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
 415     var_Change( p_vout, "fullscreen", VLC_VAR_INHERITVALUE, &val, NULL );
 416     if( val.b_bool )
 417     {
 418         /* user requested fullscreen */
 419         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 420     }
 421     var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
 422
 423     /* Add a snapshot variable */
 424     var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
 425     text.psz_string = _("Snapshot");
 426     var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
 427     var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
 428
 429     /* Mouse coordinates */
 430     var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
 431     var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
 432     var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
 433     var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
 434     var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
 435
 436     var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
 437     val.b_bool = VLC_TRUE;
 438     var_Set( p_vout, "intf-change", val );
 439 }
 440
 441 /*****************************************************************************
 442  * vout_Snapshot: generates a snapshot.
 443  *****************************************************************************/
 444 int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
 445 {
 446     image_handler_t *p_image = image_HandlerCreate( p_vout );
 447     video_format_t fmt_in = {0}, fmt_out = {0};
 448     char *psz_filename = NULL;
 449     subpicture_t *p_subpic;
 450     picture_t *p_pif;
 451     vlc_value_t val, format;
 452     DIR *path;
 453
 454     int i_ret;
 455
 456     var_Get( p_vout, "snapshot-path", &val );
 457     if( val.psz_string && !*val.psz_string )
 458     {
 459         free( val.psz_string );
 460         val.psz_string = 0;
 461     }
 462
 463     /* Embedded snapshot : if snapshot-path == object:object-id, then
 464        create a snapshot_t* and store it in
 465        object(object-id)->p_private, then unlock and signal the
 466        waiting object.
 467      */
 468     if( val.psz_string && !strncmp( val.psz_string, "object:", 7 ) )
 469     {
 470         int i_id;
 471         vlc_object_t* p_dest;
 472         block_t *p_block;
 473         snapshot_t *p_snapshot;
 474         int i_size;
 475
 476         /* Destination object-id is following object: */
 477         i_id = atoi( &val.psz_string[7] );
 478         p_dest = ( vlc_object_t* )vlc_current_object( i_id );
 479         if( !p_dest )
 480         {
 481             msg_Err( p_vout, "Cannot find calling object" );
 482             image_HandlerDelete( p_image );
 483             return VLC_EGENERIC;
 484         }
 485         /* Object must be locked. We will unlock it once we get the
 486            snapshot and written it to p_private */
 487         p_dest->p_private = NULL;
 488
 489         /* Save the snapshot to a memory zone */
 490         fmt_in = p_vout->fmt_in;
 491         fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
 492         /* FIXME: should not be hardcoded. We should be able to
 493         specify the snapshot size (snapshot-width and snapshot-height). */
 494         fmt_out.i_width = 320;
 495         fmt_out.i_height = 200;
 496         fmt_out.i_chroma = VLC_FOURCC( 'p','n','g',' ' );
 497         p_block = ( block_t* ) image_Write( p_image, p_pic, &fmt_in, &fmt_out );
 498         if( !p_block )
 499         {
 500             msg_Err( p_vout, "Could not get snapshot" );
 501             image_HandlerDelete( p_image );
 502             vlc_cond_signal( &p_dest->object_wait );
 503             vlc_mutex_unlock( &p_dest->object_lock );
 504             vlc_object_release( p_dest );
 505             return VLC_EGENERIC;
 506         }
 507
 508         /* Copy the p_block data to a snapshot structure */
 509         /* FIXME: get the timestamp */
 510         p_snapshot = ( snapshot_t* ) malloc( sizeof( snapshot_t ) );
 511         if( !p_snapshot )
 512         {
 513             block_Release( p_block );
 514             image_HandlerDelete( p_image );
 515             vlc_cond_signal( &p_dest->object_wait );
 516             vlc_mutex_unlock( &p_dest->object_lock );
 517             vlc_object_release( p_dest );
 518             return VLC_ENOMEM;
 519         }
 520
 521         i_size = p_block->i_buffer;
 522
 523         p_snapshot->i_width = fmt_out.i_width;
 524         p_snapshot->i_height = fmt_out.i_height;
 525         p_snapshot->i_datasize = i_size;
 526         p_snapshot->date = p_block->i_pts; /* FIXME ?? */
 527         p_snapshot->p_data = ( char* ) malloc( i_size );
 528         if( !p_snapshot->p_data )
 529         {
 530             block_Release( p_block );
 531             free( p_snapshot );
 532             image_HandlerDelete( p_image );
 533             vlc_cond_signal( &p_dest->object_wait );
 534             vlc_mutex_unlock( &p_dest->object_lock );
 535             vlc_object_release( p_dest );
 536             return VLC_ENOMEM;
 537         }
 538         memcpy( p_snapshot->p_data, p_block->p_buffer, p_block->i_buffer );
 539
 540         p_dest->p_private = p_snapshot;
 541
 542         block_Release( p_block );
 543
 544         /* Unlock the object */
 545         vlc_cond_signal( &p_dest->object_wait );
 546         vlc_mutex_unlock( &p_dest->object_lock );
 547         vlc_object_release( p_dest );
 548
 549         image_HandlerDelete( p_image );
 550         return VLC_SUCCESS;
 551     }
 552
 553
 554 #if defined(__APPLE__) || defined(SYS_BEOS)
 555     if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
 556     {
 557         asprintf( &val.psz_string, "%s/Desktop",
 558                   p_vout->p_libvlc->psz_homedir );
 559     }
 560
 561 #elif defined(WIN32) && !defined(UNDER_CE)
 562     if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
 563     {
 564         /* Get the My Pictures folder path */
 565
 566         char *p_mypicturesdir = NULL;
 567         typedef HRESULT (WINAPI *SHGETFOLDERPATH)( HWND, int, HANDLE, DWORD,
 568                                                    LPWSTR );
 569         #ifndef CSIDL_FLAG_CREATE
 570         #   define CSIDL_FLAG_CREATE 0x8000
 571         #endif
 572         #ifndef CSIDL_MYPICTURES
 573         #   define CSIDL_MYPICTURES 0x27
 574         #endif
 575         #ifndef SHGFP_TYPE_CURRENT
 576         #   define SHGFP_TYPE_CURRENT 0
 577         #endif
 578
 579         HINSTANCE shfolder_dll;
 580         SHGETFOLDERPATH SHGetFolderPath ;
 581
 582         /* load the shfolder dll to retrieve SHGetFolderPath */
 583         if( ( shfolder_dll = LoadLibrary( _T("SHFolder.dll") ) ) != NULL )
 584         {
 585            wchar_t wdir[PATH_MAX];
 586            SHGetFolderPath = (void *)GetProcAddress( shfolder_dll,
 587                                                       _T("SHGetFolderPathW") );
 588             if ((SHGetFolderPath != NULL )
 589              && SUCCEEDED (SHGetFolderPath (NULL,
 590                                            CSIDL_MYPICTURES | CSIDL_FLAG_CREATE,
 591                                            NULL, SHGFP_TYPE_CURRENT,
 592                                            wdir)))
 593                 p_mypicturesdir = FromWide (wdir);
 594
 595             FreeLibrary( shfolder_dll );
 596         }
 597
 598         if( p_mypicturesdir == NULL )
 599         {
 600             asprintf( &val.psz_string, "%s/" CONFIG_DIR,
 601                       p_vout->p_libvlc->psz_homedir );
 602         }
 603         else
 604         {
 605             asprintf( &val.psz_string, p_mypicturesdir );
 606             free( p_mypicturesdir );
 607         }
 608     }
 609
 610 #else
 611     if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
 612     {
 613         asprintf( &val.psz_string, "%s/" CONFIG_DIR,
 614                   p_vout->p_libvlc->psz_homedir );
 615     }
 616 #endif
 617
 618     if( !val.psz_string )
 619     {
 620         msg_Err( p_vout, "no path specified for snapshots" );
 621         return VLC_EGENERIC;
 622     }
 623     var_Get( p_vout, "snapshot-format", &format );
 624     if( !format.psz_string || !*format.psz_string )
 625     {
 626         if( format.psz_string ) free( format.psz_string );
 627         format.psz_string = strdup( "png" );
 628     }
 629
 630     /*
 631      * Did the user specify a directory? If not, path = NULL.
 632      */
 633     path = utf8_opendir ( (const char *)val.psz_string  );
 634
 635     if ( path != NULL )
 636     {
 637         char *psz_prefix = var_GetString( p_vout, "snapshot-prefix" );
 638         if( !psz_prefix ) psz_prefix = strdup( "vlcsnap-" );
 639
 640         vlc_closedir_wrapper( path );
 641         if( var_GetBool( p_vout, "snapshot-sequential" ) == VLC_TRUE )
 642         {
 643             int i_num = var_GetInteger( p_vout, "snapshot-num" );
 644             FILE *p_file;
 645             do
 646             {
 647                 asprintf( &psz_filename, "%s/%s%05d.%s", val.psz_string,
 648                           psz_prefix, i_num++, format.psz_string );
 649             }
 650             while( ( p_file = utf8_fopen( psz_filename, "r" ) ) && !fclose( p_file ) );
 651             var_SetInteger( p_vout, "snapshot-num", i_num );
 652         }
 653         else
 654         {
 655             asprintf( &psz_filename, "%s/%s%u.%s", val.psz_string,
 656                       psz_prefix,
 657                       (unsigned int)(p_pic->date / 100000) & 0xFFFFFF,
 658                       format.psz_string );
 659         }
 660
 661         free( psz_prefix );
 662     }
 663     else // The user specified a full path name (including file name)
 664     {
 665         psz_filename = str_format_meta( p_vout, val.psz_string );
 666     }
 667
 668     free( val.psz_string );
 669     free( format.psz_string );
 670
 671     /* Save the snapshot */
 672     fmt_in = p_vout->fmt_in;
 673     fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
 674     i_ret = image_WriteUrl( p_image, p_pic, &fmt_in, &fmt_out, psz_filename );
 675     if( i_ret != VLC_SUCCESS )
 676     {
 677         msg_Err( p_vout, "could not create snapshot %s", psz_filename );
 678         free( psz_filename );
 679         image_HandlerDelete( p_image );
 680         return VLC_EGENERIC;
 681     }
 682
 683     msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
 684     vout_OSDMessage( VLC_OBJECT( p_vout ), DEFAULT_CHAN,
 685                      "%s", psz_filename );
 686     free( psz_filename );
 687
 688     if( var_GetBool( p_vout, "snapshot-preview" ) )
 689     {
 690         /* Inject a subpicture with the snapshot */
 691         memset( &fmt_out, 0, sizeof(fmt_out) );
 692         fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
 693         p_pif = image_Convert( p_image, p_pic, &fmt_in, &fmt_out );
 694         image_HandlerDelete( p_image );
 695         if( !p_pif ) return VLC_EGENERIC;
 696
 697         p_subpic = spu_CreateSubpicture( p_vout->p_spu );
 698         if( p_subpic == NULL )
 699         {
 700              p_pif->pf_release( p_pif );
 701              return VLC_EGENERIC;
 702         }
 703
 704         p_subpic->i_channel = 0;
 705         p_subpic->i_start = mdate();
 706         p_subpic->i_stop = mdate() + 4000000;
 707         p_subpic->b_ephemer = VLC_TRUE;
 708         p_subpic->b_fade = VLC_TRUE;
 709         p_subpic->i_original_picture_width = p_vout->render.i_width * 4;
 710         p_subpic->i_original_picture_height = p_vout->render.i_height * 4;
 711
 712         p_subpic->p_region = spu_CreateRegion( p_vout->p_spu, &fmt_out );
 713         vout_CopyPicture( p_image->p_parent, &p_subpic->p_region->picture,
 714                           p_pif );
 715         p_pif->pf_release( p_pif );
 716
 717         spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
 718     }
 719     else
 720     {
 721         image_HandlerDelete( p_image );
 722     }
 723
 724     return VLC_SUCCESS;
 725 }
 726
 727 /*****************************************************************************
 728  * Handle filters
 729  *****************************************************************************/
 730
 731 void vout_EnableFilter( vout_thread_t *p_vout, char *psz_name,
 732                         vlc_bool_t b_add, vlc_bool_t b_setconfig )
 733 {
 734     char *psz_parser;
 735     char *psz_string = config_GetPsz( p_vout, "vout-filter" );
 736
 737     /* Todo : Use some generic chain manipulation functions */
 738     if( !psz_string ) psz_string = strdup("");
 739
 740     psz_parser = strstr( psz_string, psz_name );
 741     if( b_add )
 742     {
 743         if( !psz_parser )
 744         {
 745             psz_parser = psz_string;
 746             asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
 747                             psz_string, psz_name );
 748             free( psz_parser );
 749         }
 750         else
 751             return;
 752     }
 753     else
 754     {
 755         if( psz_parser )
 756         {
 757             memmove( psz_parser, psz_parser + strlen(psz_name) +
 758                             (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
 759                             strlen(psz_parser + strlen(psz_name)) + 1 );
 760
 761             /* Remove trailing : : */
 762             if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
 763             {
 764                 *(psz_string+strlen(psz_string ) -1 ) = '\0';
 765             }
 766          }
 767          else
 768          {
 769              free( psz_string );
 770              return;
 771          }
 772     }
 773     if( b_setconfig )
 774         config_PutPsz( p_vout, "vout-filter", psz_string );
 775
 776     var_SetString( p_vout, "vout-filter", psz_string );
 777     free( psz_string );
 778 }
 779
 780 /*****************************************************************************
 781  * vout_ControlDefault: default methods for video output control.
 782  *****************************************************************************/
 783 int vout_vaControlDefault( vout_thread_t *p_vout, int i_query, va_list args )
 784 {
 785     switch( i_query )
 786     {
 787     case VOUT_REPARENT:
 788     case VOUT_CLOSE:
 789         if( p_vout->p_parent_intf )
 790         {
 791             vlc_object_release( p_vout->p_parent_intf );
 792             p_vout->p_parent_intf = NULL;
 793         }
 794         return VLC_SUCCESS;
 795         break;
 796
 797     case VOUT_SNAPSHOT:
 798         p_vout->b_snapshot = VLC_TRUE;
 799         return VLC_SUCCESS;
 800         break;
 801
 802     default:
 803         msg_Dbg( p_vout, "control query not supported" );
 804         return VLC_EGENERIC;
 805     }
 806 }
 807
 808 /*****************************************************************************
 809  * InitWindowSize: find the initial dimensions the video window should have.
 810  *****************************************************************************
 811  * This function will check the "width", "height" and "zoom" config options and
 812  * will calculate the size that the video window should have.
 813  *****************************************************************************/
 814 static void InitWindowSize( vout_thread_t *p_vout, unsigned *pi_width,
 815                             unsigned *pi_height )
 816 {
 817     vlc_value_t val;
 818     int i_width, i_height;
 819     uint64_t ll_zoom;
 820
 821 #define FP_FACTOR 1000                             /* our fixed point factor */
 822
 823     var_Get( p_vout, "width", &val );
 824     i_width = val.i_int;
 825     var_Get( p_vout, "height", &val );
 826     i_height = val.i_int;
 827     var_Get( p_vout, "zoom", &val );
 828     ll_zoom = (uint64_t)( FP_FACTOR * val.f_float );
 829
 830     if( i_width > 0 && i_height > 0)
 831     {
 832         *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
 833         *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
 834         goto initwsize_end;
 835     }
 836     else if( i_width > 0 )
 837     {
 838         *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
 839         *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
 840             p_vout->fmt_in.i_sar_den * i_width / p_vout->fmt_in.i_sar_num /
 841             FP_FACTOR / p_vout->fmt_in.i_visible_width );
 842         goto initwsize_end;
 843     }
 844     else if( i_height > 0 )
 845     {
 846         *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
 847         *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
 848             p_vout->fmt_in.i_sar_num * i_height / p_vout->fmt_in.i_sar_den /
 849             FP_FACTOR / p_vout->fmt_in.i_visible_height );
 850         goto initwsize_end;
 851     }
 852
 853     if( p_vout->fmt_in.i_sar_num >= p_vout->fmt_in.i_sar_den )
 854     {
 855         *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
 856             p_vout->fmt_in.i_sar_num / p_vout->fmt_in.i_sar_den / FP_FACTOR );
 857         *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom
 858             / FP_FACTOR );
 859     }
 860     else
 861     {
 862         *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom
 863             / FP_FACTOR );
 864         *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
 865             p_vout->fmt_in.i_sar_den / p_vout->fmt_in.i_sar_num / FP_FACTOR );
 866     }
 867
 868 initwsize_end:
 869     msg_Dbg( p_vout, "window size: %dx%d", p_vout->i_window_width,
 870              p_vout->i_window_height );
 871
 872 #undef FP_FACTOR
 873 }
 874
 875 /*****************************************************************************
 876  * Object variables callbacks
 877  *****************************************************************************/
 878 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
 879                          vlc_value_t oldval, vlc_value_t newval, void *p_data )
 880 {
 881     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 882     InitWindowSize( p_vout, &p_vout->i_window_width,
 883                     &p_vout->i_window_height );
 884     vout_Control( p_vout, VOUT_SET_SIZE, p_vout->i_window_width,
 885                   p_vout->i_window_height );
 886     return VLC_SUCCESS;
 887 }
 888
 889 static int CropCallback( vlc_object_t *p_this, char const *psz_cmd,
 890                          vlc_value_t oldval, vlc_value_t newval, void *p_data )
 891 {
 892     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 893     int64_t i_aspect_num, i_aspect_den;
 894     unsigned int i_width, i_height;
 895
 896     /* Restore defaults */
 897     p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset;
 898     p_vout->fmt_in.i_visible_width = p_vout->fmt_render.i_visible_width;
 899     p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset;
 900     p_vout->fmt_in.i_visible_height = p_vout->fmt_render.i_visible_height;
 901
 902     if( !strcmp( psz_cmd, "crop" ) )
 903     {
 904         char *psz_end = NULL, *psz_parser = strchr( newval.psz_string, ':' );
 905         if( psz_parser )
 906         {
 907             /* We're using the 3:4 syntax */
 908             i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
 909             if( psz_end == newval.psz_string || !i_aspect_num ) goto crop_end;
 910
 911             i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
 912             if( psz_end == psz_parser || !i_aspect_den ) goto crop_end;
 913
 914             i_width = p_vout->fmt_in.i_sar_den*p_vout->fmt_render.i_visible_height *
 915                 i_aspect_num / i_aspect_den / p_vout->fmt_in.i_sar_num;
 916             i_height = p_vout->fmt_render.i_visible_width*p_vout->fmt_in.i_sar_num *
 917                 i_aspect_den / i_aspect_num / p_vout->fmt_in.i_sar_den;
 918
 919             if( i_width < p_vout->fmt_render.i_visible_width )
 920             {
 921                 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset +
 922                     (p_vout->fmt_render.i_visible_width - i_width) / 2;
 923                 p_vout->fmt_in.i_visible_width = i_width;
 924             }
 925             else
 926             {
 927                 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset +
 928                     (p_vout->fmt_render.i_visible_height - i_height) / 2;
 929                 p_vout->fmt_in.i_visible_height = i_height;
 930             }
 931         }
 932         else
 933         {
 934             psz_parser = strchr( newval.psz_string, 'x' );
 935             if( psz_parser )
 936             {
 937                 /* Maybe we're using the <width>x<height>+<left>+<top> syntax */
 938                 unsigned int i_crop_width, i_crop_height, i_crop_top, i_crop_left;
 939
 940                 i_crop_width = strtol( newval.psz_string, &psz_end, 10 );
 941                 if( psz_end != psz_parser ) goto crop_end;
 942
 943                 psz_parser = strchr( ++psz_end, '+' );
 944                 i_crop_height = strtol( psz_end, &psz_end, 10 );
 945                 if( psz_end != psz_parser ) goto crop_end;
 946
 947                 psz_parser = strchr( ++psz_end, '+' );
 948                 i_crop_left = strtol( psz_end, &psz_end, 10 );
 949                 if( psz_end != psz_parser ) goto crop_end;
 950
 951                 psz_end++;
 952                 i_crop_top = strtol( psz_end, &psz_end, 10 );
 953                 if( *psz_end != '\0' ) goto crop_end;
 954
 955                 i_width = i_crop_width;
 956                 p_vout->fmt_in.i_visible_width = i_width;
 957
 958                 i_height = i_crop_height;
 959                 p_vout->fmt_in.i_visible_height = i_height;
 960
 961                 p_vout->fmt_in.i_x_offset = i_crop_left;
 962                 p_vout->fmt_in.i_y_offset = i_crop_top;
 963             }
 964             else
 965             {
 966                 /* Maybe we're using the <left>+<top>+<right>+<bottom> syntax */
 967                 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
 968
 969                 psz_parser = strchr( newval.psz_string, '+' );
 970                 i_crop_left = strtol( newval.psz_string, &psz_end, 10 );
 971                 if( psz_end != psz_parser ) goto crop_end;
 972
 973                 psz_parser = strchr( ++psz_end, '+' );
 974                 i_crop_top = strtol( psz_end, &psz_end, 10 );
 975                 if( psz_end != psz_parser ) goto crop_end;
 976
 977                 psz_parser = strchr( ++psz_end, '+' );
 978                 i_crop_right = strtol( psz_end, &psz_end, 10 );
 979                 if( psz_end != psz_parser ) goto crop_end;
 980
 981                 psz_end++;
 982                 i_crop_bottom = strtol( psz_end, &psz_end, 10 );
 983                 if( *psz_end != '\0' ) goto crop_end;
 984
 985                 i_width = p_vout->fmt_render.i_visible_width
 986                           - i_crop_left - i_crop_right;
 987                 p_vout->fmt_in.i_visible_width = i_width;
 988
 989                 i_height = p_vout->fmt_render.i_visible_height
 990                            - i_crop_top - i_crop_bottom;
 991                 p_vout->fmt_in.i_visible_height = i_height;
 992
 993                 p_vout->fmt_in.i_x_offset = i_crop_left;
 994                 p_vout->fmt_in.i_y_offset = i_crop_top;
 995             }
 996         }
 997     }
 998     else if( !strcmp( psz_cmd, "crop-top" )
 999           || !strcmp( psz_cmd, "crop-left" )
1000           || !strcmp( psz_cmd, "crop-bottom" )
1001           || !strcmp( psz_cmd, "crop-right" ) )
1002     {
1003         unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
1004
1005         i_crop_top = var_GetInteger( p_vout, "crop-top" );
1006         i_crop_left = var_GetInteger( p_vout, "crop-left" );
1007         i_crop_right = var_GetInteger( p_vout, "crop-right" );
1008         i_crop_bottom = var_GetInteger( p_vout, "crop-bottom" );
1009
1010         i_width = p_vout->fmt_render.i_visible_width
1011                   - i_crop_left - i_crop_right;
1012         p_vout->fmt_in.i_visible_width = i_width;
1013
1014         i_height = p_vout->fmt_render.i_visible_height
1015                    - i_crop_top - i_crop_bottom;
1016         p_vout->fmt_in.i_visible_height = i_height;
1017
1018         p_vout->fmt_in.i_x_offset = i_crop_left;
1019         p_vout->fmt_in.i_y_offset = i_crop_top;
1020     }
1021
1022  crop_end:
1023     InitWindowSize( p_vout, &p_vout->i_window_width,
1024                     &p_vout->i_window_height );
1025
1026     p_vout->i_changes |= VOUT_CROP_CHANGE;
1027
1028     msg_Dbg( p_vout, "cropping picture %ix%i to %i,%i,%ix%i",
1029              p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
1030              p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
1031              p_vout->fmt_in.i_visible_width,
1032              p_vout->fmt_in.i_visible_height );
1033
1034     return VLC_SUCCESS;
1035 }
1036
1037 static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
1038                          vlc_value_t oldval, vlc_value_t newval, void *p_data )
1039 {
1040     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1041     unsigned int i_aspect_num, i_aspect_den, i_sar_num, i_sar_den;
1042     vlc_value_t val;
1043
1044     char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
1045
1046     /* Restore defaults */
1047     p_vout->fmt_in.i_sar_num = p_vout->fmt_render.i_sar_num;
1048     p_vout->fmt_in.i_sar_den = p_vout->fmt_render.i_sar_den;
1049     p_vout->fmt_in.i_aspect = p_vout->fmt_render.i_aspect;
1050     p_vout->render.i_aspect = p_vout->fmt_render.i_aspect;
1051
1052     if( !psz_parser ) goto aspect_end;
1053
1054     i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
1055     if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
1056
1057     i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
1058     if( psz_end == psz_parser || !i_aspect_den ) goto aspect_end;
1059
1060     i_sar_num = i_aspect_num * p_vout->fmt_render.i_visible_height;
1061     i_sar_den = i_aspect_den * p_vout->fmt_render.i_visible_width;
1062     vlc_ureduce( &i_sar_num, &i_sar_den, i_sar_num, i_sar_den, 0 );
1063     p_vout->fmt_in.i_sar_num = i_sar_num;
1064     p_vout->fmt_in.i_sar_den = i_sar_den;
1065     p_vout->fmt_in.i_aspect = i_aspect_num * VOUT_ASPECT_FACTOR / i_aspect_den;
1066     p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
1067
1068  aspect_end:
1069     if( p_vout->i_par_num && p_vout->i_par_den )
1070     {
1071         p_vout->fmt_in.i_sar_num *= p_vout->i_par_den;
1072         p_vout->fmt_in.i_sar_den *= p_vout->i_par_num;
1073         p_vout->fmt_in.i_aspect = p_vout->fmt_in.i_aspect *
1074             p_vout->i_par_den / p_vout->i_par_num;
1075         p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
1076     }
1077
1078     p_vout->i_changes |= VOUT_ASPECT_CHANGE;
1079
1080     vlc_ureduce( &i_aspect_num, &i_aspect_den,
1081                  p_vout->fmt_in.i_aspect, VOUT_ASPECT_FACTOR, 0 );
1082     msg_Dbg( p_vout, "new aspect-ratio %i:%i, sample aspect-ratio %i:%i",
1083              i_aspect_num, i_aspect_den,
1084              p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
1085
1086     var_Get( p_vout, "crop", &val );
1087     return CropCallback( p_this, "crop", val, val, 0 );
1088
1089     return VLC_SUCCESS;
1090 }
1091
1092 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
1093                          vlc_value_t oldval, vlc_value_t newval, void *p_data )
1094 {
1095     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1096     playlist_t *p_playlist = pl_Yield( p_this );
1097     vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, newval.b_bool );
1098
1099     /* Modify playlist as well because the vout might have to be restarted */
1100     var_Create( p_playlist, "video-on-top", VLC_VAR_BOOL );
1101     var_Set( p_playlist, "video-on-top", newval );
1102
1103     pl_Release( p_this );
1104     return VLC_SUCCESS;
1105 }
1106
1107 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
1108                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1109 {
1110     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1111     vlc_value_t val;
1112     playlist_t *p_playlist = pl_Yield( p_this );
1113
1114     p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1115
1116     /* Modify playlist as well because the vout might have to be restarted */
1117     var_Create( p_playlist, "fullscreen", VLC_VAR_BOOL );
1118     var_Set( p_playlist, "fullscreen", newval );
1119     pl_Release( p_playlist );
1120
1121     /* Disable "always on top" in fullscreen mode */
1122     var_Get( p_vout, "video-on-top", &val );
1123     if( val.b_bool )
1124         vout_Control( p_vout, VOUT_SET_STAY_ON_TOP,
1125                       (vlc_bool_t)!newval.b_bool );
1126
1127     val.b_bool = VLC_TRUE;
1128     var_Set( p_vout, "intf-change", val );
1129     return VLC_SUCCESS;
1130 }
1131
1132 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
1133                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1134 {
1135     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1136     vout_Control( p_vout, VOUT_SNAPSHOT );
1137     return VLC_SUCCESS;
1138 }