git.sesse.net Git - vlc/blob - plugins/sdl/vout_sdl.c

   1 /*****************************************************************************
   2  * vout_sdl.c: SDL video output display method
   3  *****************************************************************************
   4  * Copyright (C) 1998, 1999, 2000 VideoLAN
   5  *
   6  * Authors: Samuel Hocevar <sam@zoy.org>
   7  *          Pierre Baillet <oct@zoy.org>
   8  *          Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include "defs.h"
  29
  30 #include <errno.h>                                                 /* ENOMEM */
  31 #include <stdlib.h>                                                /* free() */
  32 #include <string.h>                                            /* strerror() */
  33
  34 #include <SDL/SDL.h>
  35
  36 #include "config.h"
  37 #include "common.h"
  38 #include "threads.h"
  39 #include "mtime.h"
  40 #include "tests.h"
  41 #include "modules.h"
  42
  43 #include "video.h"
  44 #include "video_output.h"
  45
  46 #include "intf_msg.h"
  47 #include "interface.h"
  48 /* FIXME: get rid of this */
  49 #include "keystrokes.h"
  50 #include "main.h"
  51
  52 /*****************************************************************************
  53  * FIXME: this file is ...                                                   *
  54  *                                                                           *
  55  *              XXX   XXX     FIXME     XXX     XXX   XXX   XXX              *
  56  *              XXX   XXX   XXX   XXX   XXX     XXX   XXX   XXX              *
  57  *              XXX   XXX   XXX         XXX       FIXME     XXX              *
  58  *              XXX   XXX   XXX  TODO   XXX        XXX      XXX              *
  59  *              XXX   XXX   XXX   XXX   XXX        XXX                       *
  60  *                FIXME       FIXME       FIXME    XXX      XXX              *
  61  *                                                                           *
  62  *****************************************************************************/
  63
  64 /*****************************************************************************
  65  * vout_sys_t: video output SDL method descriptor
  66  *****************************************************************************
  67  * This structure is part of the video output thread descriptor.
  68  * It describes the SDL specific properties of an output thread.
  69  *****************************************************************************/
  70 typedef struct vout_sys_s
  71 {
  72     int i_width;
  73     int i_height;
  74     SDL_Surface *   p_display;                             /* display device */
  75     SDL_Overlay *   p_overlay;                             /* overlay device */
  76     boolean_t   b_fullscreen;
  77     boolean_t   b_overlay;
  78     boolean_t   b_cursor;
  79     boolean_t   b_reopen_display;
  80     Uint8   *   p_sdl_buf[2];                          /* Buffer information */
  81 } vout_sys_t;
  82
  83 /*****************************************************************************
  84  * Local prototypes.
  85  *****************************************************************************/
  86 static int  vout_Probe     ( probedata_t *p_data );
  87 static int  vout_Create    ( struct vout_thread_s * );
  88 static int  vout_Init      ( struct vout_thread_s * );
  89 static void vout_End       ( struct vout_thread_s * );
  90 static void vout_Destroy   ( struct vout_thread_s * );
  91 static int  vout_Manage    ( struct vout_thread_s * );
  92 static void vout_Display   ( struct vout_thread_s * );
  93 static void vout_SetPalette( p_vout_thread_t p_vout, u16 *red, u16 *green,
  94                              u16 *blue, u16 *transp );
  95
  96 static int  SDLOpenDisplay      ( vout_thread_t *p_vout );
  97 static void SDLCloseDisplay     ( vout_thread_t *p_vout );
  98
  99 /*****************************************************************************
 100  * Functions exported as capabilities. They are declared as static so that
 101  * we don't pollute the namespace too much.
 102  *****************************************************************************/
 103 void vout_getfunctions( function_list_t * p_function_list )
 104 {
 105     p_function_list->pf_probe = vout_Probe;
 106     p_function_list->functions.vout.pf_create     = vout_Create;
 107     p_function_list->functions.vout.pf_init       = vout_Init;
 108     p_function_list->functions.vout.pf_end        = vout_End;
 109     p_function_list->functions.vout.pf_destroy    = vout_Destroy;
 110     p_function_list->functions.vout.pf_manage     = vout_Manage;
 111     p_function_list->functions.vout.pf_display    = vout_Display;
 112     p_function_list->functions.vout.pf_setpalette = vout_SetPalette;
 113 }
 114
 115 /*****************************************************************************
 116  * vout_Probe: probe the video driver and return a score
 117  *****************************************************************************
 118  * This function tries to initialize SDL and returns a score to the
 119  * plugin manager so that it can select the best plugin.
 120  *****************************************************************************/
 121 static int vout_Probe( probedata_t *p_data )
 122 {
 123     if( TestMethod( VOUT_METHOD_VAR, "sdl" ) )
 124     {
 125         return( 999 );
 126     }
 127
 128     return( 100 );
 129 }
 130
 131 /*****************************************************************************
 132  * vout_Create: allocate SDL video thread output method
 133  *****************************************************************************
 134  * This function allocate and initialize a SDL vout method. It uses some of the
 135  * vout properties to choose the correct mode, and change them according to the
 136  * mode actually used.
 137  *****************************************************************************/
 138 static int vout_Create( vout_thread_t *p_vout )
 139 {
 140     /* Allocate structure */
 141     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 142     if( p_vout->p_sys == NULL )
 143     {
 144         intf_ErrMsg( "vout error: can't create p_sys (%s)", strerror(ENOMEM) );
 145         return( 1 );
 146     }
 147
 148     /* Initialize library */
 149     if( SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTTHREAD | SDL_INIT_NOPARACHUTE)
 150             < 0 )
 151     {
 152         intf_ErrMsg( "vout error: can't initialize SDL (%s)", SDL_GetError() );
 153         free( p_vout->p_sys );
 154         return( 1 );
 155     }
 156
 157     p_vout->p_sys->b_cursor = 1; /* TODO should be done with a main_GetInt.. */
 158     p_vout->p_sys->b_fullscreen = main_GetIntVariable( VOUT_FULLSCREEN_VAR,
 159                                 VOUT_FULLSCREEN_DEFAULT );
 160     p_vout->p_sys->b_overlay = main_GetIntVariable( VOUT_OVERLAY_VAR,
 161                                 VOUT_OVERLAY_DEFAULT );
 162     p_vout->p_sys->i_width = main_GetIntVariable( VOUT_WIDTH_VAR,
 163                                 VOUT_WIDTH_DEFAULT );
 164     p_vout->p_sys->i_height = main_GetIntVariable( VOUT_HEIGHT_VAR,
 165                                 VOUT_HEIGHT_DEFAULT );
 166
 167     p_vout->p_sys->p_display = NULL;
 168     p_vout->p_sys->p_overlay = NULL;
 169
 170     if( SDLOpenDisplay(p_vout) )
 171     {
 172         intf_ErrMsg( "vout error: can't set up SDL (%s)", SDL_GetError() );
 173         free( p_vout->p_sys );
 174         return( 1 );
 175     }
 176
 177     /* FIXME: get rid of this ASAP, it's FUCKING UGLY */
 178     { intf_thread_t * p_intf = p_main->p_intf;
 179     intf_AssignKey(p_intf, SDLK_q,      INTF_KEY_QUIT, 0);
 180     intf_AssignKey(p_intf, SDLK_ESCAPE, INTF_KEY_QUIT, 0);
 181     /* intf_AssignKey(p_intf,3,'Q'); */
 182     intf_AssignKey(p_intf, SDLK_0,      INTF_KEY_SET_CHANNEL,0);
 183     intf_AssignKey(p_intf, SDLK_1,      INTF_KEY_SET_CHANNEL,1);
 184     intf_AssignKey(p_intf, SDLK_2,      INTF_KEY_SET_CHANNEL,2);
 185     intf_AssignKey(p_intf, SDLK_3,      INTF_KEY_SET_CHANNEL,3);
 186     intf_AssignKey(p_intf, SDLK_4,      INTF_KEY_SET_CHANNEL,4);
 187     intf_AssignKey(p_intf, SDLK_5,      INTF_KEY_SET_CHANNEL,5);
 188     intf_AssignKey(p_intf, SDLK_6,      INTF_KEY_SET_CHANNEL,6);
 189     intf_AssignKey(p_intf, SDLK_7,      INTF_KEY_SET_CHANNEL,7);
 190     intf_AssignKey(p_intf, SDLK_8,      INTF_KEY_SET_CHANNEL,8);
 191     intf_AssignKey(p_intf, SDLK_9,      INTF_KEY_SET_CHANNEL,9);
 192     intf_AssignKey(p_intf, SDLK_PLUS,   INTF_KEY_INC_VOLUME, 0);
 193     intf_AssignKey(p_intf, SDLK_MINUS,  INTF_KEY_DEC_VOLUME, 0);
 194     intf_AssignKey(p_intf, SDLK_m,      INTF_KEY_TOGGLE_VOLUME, 0);
 195     /* intf_AssignKey(p_intf,'M','M'); */
 196     intf_AssignKey(p_intf, SDLK_g,      INTF_KEY_DEC_GAMMA, 0);
 197     /* intf_AssignKey(p_intf,'G','G'); */
 198     intf_AssignKey(p_intf, SDLK_c,      INTF_KEY_TOGGLE_GRAYSCALE, 0);
 199     intf_AssignKey(p_intf, SDLK_SPACE,  INTF_KEY_TOGGLE_INTERFACE, 0);
 200     intf_AssignKey(p_intf, SDLK_i,      INTF_KEY_TOGGLE_INFO, 0);
 201     intf_AssignKey(p_intf, SDLK_s,      INTF_KEY_TOGGLE_SCALING, 0); }
 202
 203     return( 0 );
 204 }
 205
 206 /*****************************************************************************
 207  * vout_Init: initialize SDL video thread output method
 208  *****************************************************************************
 209  * This function initialize the SDL display device.
 210  *****************************************************************************/
 211 static int vout_Init( vout_thread_t *p_vout )
 212 {
 213     /* This hack is hugly, but hey, you are, too. */
 214
 215     SDL_Overlay *   p_overlay;
 216
 217     p_overlay = SDL_CreateYUVOverlay( VOUT_WIDTH_DEFAULT, VOUT_HEIGHT_DEFAULT,
 218                                       SDL_YV12_OVERLAY,
 219                                       p_vout->p_sys->p_display );
 220     intf_Msg( "vout: YUV acceleration %s",
 221               p_overlay->hw_overlay ? "activated" : "unavailable !" );
 222     p_vout->b_need_render = !p_overlay->hw_overlay;
 223
 224     SDL_FreeYUVOverlay( p_overlay );
 225
 226     return( 0 );
 227 }
 228
 229 /*****************************************************************************
 230  * vout_End: terminate Sys video thread output method
 231  *****************************************************************************
 232  * Terminate an output method created by vout_SDLCreate
 233  *****************************************************************************/
 234 static void vout_End( vout_thread_t *p_vout )
 235 {
 236     SDLCloseDisplay( p_vout );
 237     SDL_Quit();
 238 }
 239
 240 /*****************************************************************************
 241  * vout_Destroy: destroy Sys video thread output method
 242  *****************************************************************************
 243  * Terminate an output method created by vout_SDLCreate
 244  *****************************************************************************/
 245 static void vout_Destroy( vout_thread_t *p_vout )
 246 {
 247     free( p_vout->p_sys );
 248 }
 249
 250 /*****************************************************************************
 251  * vout_Manage: handle Sys events
 252  *****************************************************************************
 253  * This function should be called regularly by video output thread. It returns
 254  * a non null value if an error occured.
 255  *****************************************************************************/
 256 static int vout_Manage( vout_thread_t *p_vout )
 257 {
 258     SDL_Event event;                                            /* SDL event */
 259     Uint8   i_key;
 260
 261     /* Process events */
 262     while( SDL_PollEvent(&event) )
 263     {
 264         switch( event.type )
 265         {
 266         case SDL_VIDEORESIZE:                          /* Resizing of window */
 267             p_vout->i_width = event.resize.w;
 268             p_vout->i_height = event.resize.h;
 269             p_vout->i_changes |= VOUT_SIZE_CHANGE;
 270             break;
 271
 272         case SDL_MOUSEBUTTONUP:
 273             switch( event.button.button )
 274             {
 275             case SDL_BUTTON_RIGHT:
 276                 p_main->p_intf->b_menu_change = 1;
 277                 break;
 278             }
 279             break;
 280
 281         case SDL_MOUSEBUTTONDOWN:
 282             switch( event.button.button )
 283             {
 284             case SDL_BUTTON_MIDDLE:
 285                 p_vout->i_changes |= VOUT_CURSOR_CHANGE;
 286                 break;
 287             }
 288             break;
 289
 290         case SDL_QUIT:
 291             intf_ProcessKey( p_main->p_intf, SDLK_q );
 292             break;
 293
 294         case SDL_KEYDOWN:                             /* if a key is pressed */
 295             i_key = event.key.keysym.sym;
 296
 297             switch( i_key )
 298             {
 299             case SDLK_f:                             /* switch to fullscreen */
 300                 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 301                 break;
 302
 303             case SDLK_y:                               /* switch to hard YUV */
 304                 p_vout->i_changes |= VOUT_YUV_CHANGE;
 305                 break;
 306
 307             case SDLK_c:                                 /* toggle grayscale */
 308                 p_vout->b_grayscale = ! p_vout->b_grayscale;
 309                 p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
 310                 break;
 311
 312             case SDLK_i:                                      /* toggle info */
 313                 p_vout->b_info = ! p_vout->b_info;
 314                 p_vout->i_changes |= VOUT_INFO_CHANGE;
 315                 break;
 316
 317             case SDLK_s:                                   /* toggle scaling */
 318                 p_vout->b_scale = ! p_vout->b_scale;
 319                 p_vout->i_changes |= VOUT_SCALE_CHANGE;
 320                 break;
 321
 322             case SDLK_SPACE:                             /* toggle interface */
 323                 p_vout->b_interface = ! p_vout->b_interface;
 324                 p_vout->i_changes |= VOUT_INTF_CHANGE;
 325                 break;
 326
 327             default:
 328                 if( intf_ProcessKey( p_main->p_intf, (char )i_key ) )
 329                 {
 330                    intf_DbgMsg( "unhandled key '%c' (%i)", (char)i_key, i_key );                }
 331                 break;
 332             }
 333             break;
 334
 335         default:
 336             break;
 337         }
 338     }
 339
 340     /*
 341      * Size Change
 342      */
 343     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 344     {
 345         p_vout->p_sys->i_width = p_vout->i_width;
 346         p_vout->p_sys->i_height = p_vout->i_height;
 347
 348         /* Need to reopen display */
 349         SDLCloseDisplay( p_vout );
 350         if( SDLOpenDisplay( p_vout ) )
 351         {
 352           intf_ErrMsg( "vout error: can't reopen display after resize" );
 353           return( 1 );
 354         }
 355         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 356     }
 357
 358     /*
 359      * YUV Change
 360      */
 361     if( p_vout->i_changes & VOUT_YUV_CHANGE )
 362     {
 363         p_vout->b_need_render = ! p_vout->b_need_render;
 364
 365         /* Need to reopen display */
 366         SDLCloseDisplay( p_vout );
 367         if( SDLOpenDisplay( p_vout ) )
 368         {
 369           intf_ErrMsg( "error: can't reopen display after YUV change" );
 370           return( 1 );
 371         }
 372         p_vout->i_changes &= ~VOUT_YUV_CHANGE;
 373     }
 374
 375     /*
 376      * Fullscreen change
 377      */
 378     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 379     {
 380         p_vout->p_sys->b_fullscreen = ! p_vout->p_sys->b_fullscreen;
 381
 382         if( p_vout->p_sys->b_fullscreen )
 383         {
 384             p_vout->p_sys->b_fullscreen = 0;
 385             p_vout->p_sys->b_cursor = 1;
 386             SDL_ShowCursor( 1 );
 387         }
 388         else
 389         {
 390             p_vout->p_sys->b_fullscreen = 1;
 391             p_vout->p_sys->b_cursor = 0;
 392             SDL_ShowCursor( 0 );
 393         }
 394
 395         SDL_WM_ToggleFullScreen(p_vout->p_sys->p_display);
 396
 397         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 398     }
 399
 400     /*
 401      * Pointer change
 402      */
 403     if( p_vout->i_changes & VOUT_CURSOR_CHANGE )
 404     {
 405         if( p_vout->p_sys->b_cursor )
 406         {
 407             SDL_ShowCursor( 0 );
 408             p_vout->p_sys->b_cursor = 0;
 409         }
 410         else
 411         {
 412             SDL_ShowCursor( 1 );
 413             p_vout->p_sys->b_cursor = 1;
 414         }
 415         p_vout->i_changes &= ~VOUT_CURSOR_CHANGE;
 416     }
 417
 418     return( 0 );
 419 }
 420
 421 /*****************************************************************************
 422  * vout_SetPalette: sets an 8 bpp palette
 423  *****************************************************************************
 424  * This function sets the palette given as an argument. It does not return
 425  * anything, but could later send information on which colors it was unable
 426  * to set.
 427  *****************************************************************************/
 428 static void vout_SetPalette( p_vout_thread_t p_vout, u16 *red, u16 *green,
 429                          u16 *blue, u16 *transp)
 430 {
 431      /* Create a display surface with a grayscale palette */
 432     SDL_Color colors[256];
 433     int i;
 434
 435     /* Fill colors with color information */
 436     for( i = 0; i < 256; i++ )
 437     {
 438         colors[ i ].r = red[ i ] >> 8;
 439         colors[ i ].g = green[ i ] >> 8;
 440         colors[ i ].b = blue[ i ] >> 8;
 441     }
 442
 443     /* Set palette */
 444     if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
 445     {
 446         intf_ErrMsg( "vout error: failed setting palette" );
 447     }
 448
 449 }
 450
 451 /*****************************************************************************
 452  * vout_Display: displays previously rendered output
 453  *****************************************************************************
 454  * This function send the currently rendered image to the display, wait until
 455  * it is displayed and switch the two rendering buffer, preparing next frame.
 456  *****************************************************************************/
 457 static void vout_Display( vout_thread_t *p_vout )
 458 {
 459     SDL_Rect    disp;
 460     if((p_vout->p_sys->p_display != NULL) && !p_vout->p_sys->b_reopen_display)
 461     {
 462         if( p_vout->b_need_render )
 463         {
 464             /* Change display frame */
 465             SDL_Flip( p_vout->p_sys->p_display );
 466         }
 467         else
 468         {
 469
 470             /*
 471              * p_vout->p_rendered_pic->p_y/u/v contains the YUV buffers to
 472              * render
 473              */
 474             /* TODO: support for streams other than 4:2:0 */
 475             /* create the overlay if necessary */
 476             if( p_vout->p_sys->p_overlay == NULL )
 477             {
 478                 p_vout->p_sys->p_overlay = SDL_CreateYUVOverlay(
 479                                              p_vout->p_rendered_pic->i_width,
 480                                              p_vout->p_rendered_pic->i_height,
 481                                              SDL_YV12_OVERLAY,
 482                                              p_vout->p_sys->p_display
 483                                            );
 484                 intf_Msg("vout: YUV acceleration %s",
 485                             p_vout->p_sys->p_overlay->hw_overlay
 486                             ? "activated" : "unavailable !" );
 487             }
 488
 489             SDL_LockYUVOverlay(p_vout->p_sys->p_overlay);
 490             /* copy the data into video buffers */
 491             /* Y first */
 492             memcpy(p_vout->p_sys->p_overlay->pixels[0],
 493                    p_vout->p_rendered_pic->p_y,
 494                    p_vout->p_sys->p_overlay->h *
 495                    p_vout->p_sys->p_overlay->pitches[0]);
 496             /* then V */
 497             memcpy(p_vout->p_sys->p_overlay->pixels[1],
 498                    p_vout->p_rendered_pic->p_v,
 499                    p_vout->p_sys->p_overlay->h *
 500                    p_vout->p_sys->p_overlay->pitches[1] / 2);
 501             /* and U */
 502             memcpy(p_vout->p_sys->p_overlay->pixels[2],
 503                    p_vout->p_rendered_pic->p_u,
 504                    p_vout->p_sys->p_overlay->h *
 505                    p_vout->p_sys->p_overlay->pitches[2] / 2);
 506
 507             disp.w = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_width;
 508             disp.h = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_height;
 509             disp.x = (p_vout->i_width - disp.w)/2;
 510             disp.y = (p_vout->i_height - disp.h)/2;
 511
 512             SDL_DisplayYUVOverlay( p_vout->p_sys->p_overlay , &disp );
 513             SDL_UnlockYUVOverlay(p_vout->p_sys->p_overlay);
 514         }
 515     }
 516 }
 517
 518 /* following functions are local */
 519
 520 /*****************************************************************************
 521  * SDLOpenDisplay: open and initialize SDL device
 522  *****************************************************************************
 523  * Open and initialize display according to preferences specified in the vout
 524  * thread fields.
 525  *****************************************************************************/
 526 static int SDLOpenDisplay( vout_thread_t *p_vout )
 527 {
 528     SDL_Rect    clipping_rect;
 529     Uint32      flags;
 530     int bpp;
 531     /* Open display
 532      * TODO: Check that we can request for a DOUBLEBUF HWSURFACE display
 533      */
 534
 535     /* init flags and cursor */
 536     flags = SDL_ANYFORMAT | SDL_HWPALETTE;
 537
 538     if( p_vout->p_sys->b_fullscreen )
 539         flags |= SDL_FULLSCREEN;
 540     else
 541         flags |= SDL_RESIZABLE;
 542
 543     if( p_vout->b_need_render )
 544         flags |= SDL_HWSURFACE | SDL_DOUBLEBUF;
 545     else
 546         flags |= SDL_SWSURFACE; /* save video memory */
 547
 548     bpp = SDL_VideoModeOK( p_vout->p_sys->i_width,
 549                            p_vout->p_sys->i_height,
 550                            p_vout->i_screen_depth, flags );
 551
 552     if(bpp == 0)
 553     {
 554         intf_ErrMsg( "vout error: no video mode available" );
 555         return( 1 );
 556     }
 557
 558     p_vout->p_sys->p_display = SDL_SetVideoMode(p_vout->p_sys->i_width,
 559                                                 p_vout->p_sys->i_height,
 560                                                 bpp, flags);
 561
 562     if( p_vout->p_sys->p_display == NULL )
 563     {
 564         intf_ErrMsg( "vout error: cannot set video mode" );
 565         return( 1 );
 566     }
 567
 568     SDL_LockSurface(p_vout->p_sys->p_display);
 569
 570     if( p_vout->p_sys->b_fullscreen )
 571         SDL_ShowCursor( 0 );
 572     else
 573         SDL_ShowCursor( 1 );
 574
 575     SDL_WM_SetCaption( VOUT_TITLE " (SDL output)",
 576                        VOUT_TITLE " (SDL output)" );
 577     SDL_EventState(SDL_KEYUP , SDL_IGNORE);                /* ignore keys up */
 578
 579     if( p_vout->b_need_render )
 580     {
 581         p_vout->p_sys->p_sdl_buf[ 0 ] = p_vout->p_sys->p_display->pixels;
 582         SDL_Flip(p_vout->p_sys->p_display);
 583         p_vout->p_sys->p_sdl_buf[ 1 ] = p_vout->p_sys->p_display->pixels;
 584         SDL_Flip(p_vout->p_sys->p_display);
 585
 586         /* Set clipping for text */
 587         clipping_rect.x = 0;
 588         clipping_rect.y = 0;
 589         clipping_rect.w = p_vout->p_sys->p_display->w;
 590         clipping_rect.h = p_vout->p_sys->p_display->h;
 591         SDL_SetClipRect(p_vout->p_sys->p_display, &clipping_rect);
 592
 593         /* Set thread information */
 594         p_vout->i_width =           p_vout->p_sys->p_display->w;
 595         p_vout->i_height =          p_vout->p_sys->p_display->h;
 596         p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
 597
 598         p_vout->i_screen_depth =
 599             p_vout->p_sys->p_display->format->BitsPerPixel;
 600         p_vout->i_bytes_per_pixel =
 601             p_vout->p_sys->p_display->format->BytesPerPixel;
 602
 603         p_vout->i_red_mask =        p_vout->p_sys->p_display->format->Rmask;
 604         p_vout->i_green_mask =      p_vout->p_sys->p_display->format->Gmask;
 605         p_vout->i_blue_mask =       p_vout->p_sys->p_display->format->Bmask;
 606
 607         /* FIXME: palette in 8bpp ?? */
 608         /* Set and initialize buffers */
 609         vout_SetBuffers( p_vout, p_vout->p_sys->p_sdl_buf[ 0 ],
 610                                  p_vout->p_sys->p_sdl_buf[ 1 ] );
 611     }
 612     else
 613     {
 614         p_vout->p_sys->p_sdl_buf[ 0 ] = p_vout->p_sys->p_display->pixels;
 615         p_vout->p_sys->p_sdl_buf[ 1 ] = p_vout->p_sys->p_display->pixels;
 616
 617         /* Set thread information */
 618         p_vout->i_width =           p_vout->p_sys->p_display->w;
 619         p_vout->i_height =          p_vout->p_sys->p_display->h;
 620         p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
 621
 622         vout_SetBuffers( p_vout, p_vout->p_sys->p_sdl_buf[ 0 ],
 623                                  p_vout->p_sys->p_sdl_buf[ 1 ] );
 624     }
 625
 626     p_vout->p_sys->b_reopen_display = 0;
 627
 628     return( 0 );
 629 }
 630
 631 /*****************************************************************************
 632  * SDLCloseDisplay: close and reset SDL device
 633  *****************************************************************************
 634  * This function returns all resources allocated by SDLOpenDisplay and restore
 635  * the original state of the device.
 636  *****************************************************************************/
 637 static void SDLCloseDisplay( vout_thread_t *p_vout )
 638 {
 639     if( p_vout->p_sys->p_display != NULL )
 640     {
 641         if( p_vout->p_sys->p_overlay != NULL )
 642         {
 643             SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
 644             p_vout->p_sys->p_overlay = NULL;
 645         }
 646
 647         SDL_UnlockSurface ( p_vout->p_sys->p_display );
 648         SDL_FreeSurface( p_vout->p_sys->p_display );
 649         p_vout->p_sys->p_display = NULL;
 650     }
 651 }
 652