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     /* Force the software yuv even if it is not used */
 158     /* If we don't do this, p_vout is not correctly initialized
 159        and it's impossible to switch between soft/hard yuv */
 160     /* FIXME: this is a broken way to do !! fix this !! */
 161     p_vout->b_need_render = 1;
 162
 163     p_vout->p_sys->b_cursor = 1; /* TODO should be done with a main_GetInt.. */
 164     p_vout->p_sys->b_fullscreen = main_GetIntVariable( VOUT_FULLSCREEN_VAR,
 165                                 VOUT_FULLSCREEN_DEFAULT );
 166     p_vout->p_sys->b_overlay = main_GetIntVariable( VOUT_OVERLAY_VAR,
 167                                 VOUT_OVERLAY_DEFAULT );
 168     p_vout->p_sys->i_width = main_GetIntVariable( VOUT_WIDTH_VAR,
 169                                 VOUT_WIDTH_DEFAULT );
 170     p_vout->p_sys->i_height = main_GetIntVariable( VOUT_HEIGHT_VAR,
 171                                 VOUT_HEIGHT_DEFAULT );
 172
 173     p_vout->p_sys->p_display = NULL;
 174     p_vout->p_sys->p_overlay = NULL;
 175
 176     if( SDLOpenDisplay(p_vout) )
 177     {
 178         intf_ErrMsg( "vout error: can't initialize SDL (%s)", SDL_GetError() );
 179         free( p_vout->p_sys );
 180         return( 1 );
 181     }
 182
 183     /* FIXME: get rid of this ASAP, it's FUCKING UGLY */
 184     { intf_thread_t * p_intf = p_main->p_intf;
 185     intf_AssignKey(p_intf, SDLK_q,      INTF_KEY_QUIT, 0);
 186     intf_AssignKey(p_intf, SDLK_ESCAPE, INTF_KEY_QUIT, 0);
 187     /* intf_AssignKey(p_intf,3,'Q'); */
 188     intf_AssignKey(p_intf, SDLK_0,      INTF_KEY_SET_CHANNEL,0);
 189     intf_AssignKey(p_intf, SDLK_1,      INTF_KEY_SET_CHANNEL,1);
 190     intf_AssignKey(p_intf, SDLK_2,      INTF_KEY_SET_CHANNEL,2);
 191     intf_AssignKey(p_intf, SDLK_3,      INTF_KEY_SET_CHANNEL,3);
 192     intf_AssignKey(p_intf, SDLK_4,      INTF_KEY_SET_CHANNEL,4);
 193     intf_AssignKey(p_intf, SDLK_5,      INTF_KEY_SET_CHANNEL,5);
 194     intf_AssignKey(p_intf, SDLK_6,      INTF_KEY_SET_CHANNEL,6);
 195     intf_AssignKey(p_intf, SDLK_7,      INTF_KEY_SET_CHANNEL,7);
 196     intf_AssignKey(p_intf, SDLK_8,      INTF_KEY_SET_CHANNEL,8);
 197     intf_AssignKey(p_intf, SDLK_9,      INTF_KEY_SET_CHANNEL,9);
 198     intf_AssignKey(p_intf, SDLK_PLUS,   INTF_KEY_INC_VOLUME, 0);
 199     intf_AssignKey(p_intf, SDLK_MINUS,  INTF_KEY_DEC_VOLUME, 0);
 200     intf_AssignKey(p_intf, SDLK_m,      INTF_KEY_TOGGLE_VOLUME, 0);
 201     /* intf_AssignKey(p_intf,'M','M'); */
 202     intf_AssignKey(p_intf, SDLK_g,      INTF_KEY_DEC_GAMMA, 0);
 203     /* intf_AssignKey(p_intf,'G','G'); */
 204     intf_AssignKey(p_intf, SDLK_c,      INTF_KEY_TOGGLE_GRAYSCALE, 0);
 205     intf_AssignKey(p_intf, SDLK_SPACE,  INTF_KEY_TOGGLE_INTERFACE, 0);
 206     intf_AssignKey(p_intf, SDLK_i,      INTF_KEY_TOGGLE_INFO, 0);
 207     intf_AssignKey(p_intf, SDLK_s,      INTF_KEY_TOGGLE_SCALING, 0); }
 208
 209     return( 0 );
 210 }
 211
 212 /*****************************************************************************
 213  * vout_Init: initialize SDL video thread output method
 214  *****************************************************************************
 215  * This function initialize the SDL display device.
 216  *****************************************************************************/
 217 static int vout_Init( vout_thread_t *p_vout )
 218 {
 219     return( 0 );
 220 }
 221
 222 /*****************************************************************************
 223  * vout_End: terminate Sys video thread output method
 224  *****************************************************************************
 225  * Terminate an output method created by vout_SDLCreate
 226  *****************************************************************************/
 227 static void vout_End( vout_thread_t *p_vout )
 228 {
 229     SDLCloseDisplay( p_vout );
 230     SDL_Quit();
 231 }
 232
 233 /*****************************************************************************
 234  * vout_Destroy: destroy Sys video thread output method
 235  *****************************************************************************
 236  * Terminate an output method created by vout_SDLCreate
 237  *****************************************************************************/
 238 static void vout_Destroy( vout_thread_t *p_vout )
 239 {
 240     free( p_vout->p_sys );
 241 }
 242
 243 /*****************************************************************************
 244  * vout_Manage: handle Sys events
 245  *****************************************************************************
 246  * This function should be called regularly by video output thread. It returns
 247  * a non null value if an error occured.
 248  *****************************************************************************/
 249 static int vout_Manage( vout_thread_t *p_vout )
 250 {
 251     SDL_Event event;                                            /* SDL event */
 252     Uint8   i_key;
 253
 254     /* Process events */
 255     while( SDL_PollEvent(&event) )
 256     {
 257         switch( event.type )
 258         {
 259         case SDL_VIDEORESIZE:                          /* Resizing of window */
 260             p_vout->i_width = event.resize.w;
 261             p_vout->i_height = event.resize.h;
 262             p_vout->i_changes |= VOUT_SIZE_CHANGE;
 263             break;
 264
 265         case SDL_MOUSEBUTTONDOWN:
 266             switch( event.button.button )
 267             {
 268             case SDL_BUTTON_MIDDLE:
 269                 p_vout->i_changes |= VOUT_CURSOR_CHANGE;
 270                 break;
 271
 272             case SDL_BUTTON_RIGHT:
 273                 p_main->p_intf->b_menu_change = 1;
 274                 break;
 275             }
 276             break;
 277
 278         case SDL_QUIT:
 279             intf_ProcessKey( p_main->p_intf, SDLK_q );
 280             break;
 281
 282         case SDL_KEYDOWN:                             /* if a key is pressed */
 283             i_key = event.key.keysym.sym;
 284
 285             switch( i_key )
 286             {
 287             case SDLK_f:                             /* switch to fullscreen */
 288                 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 289                 break;
 290
 291             case SDLK_y:                               /* switch to hard YUV */
 292                 p_vout->i_changes |= VOUT_YUV_CHANGE;
 293                 break;
 294
 295             case SDLK_c:                                 /* toggle grayscale */
 296                 p_vout->b_grayscale = ! p_vout->b_grayscale;
 297                 p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
 298                 break;
 299
 300             case SDLK_i:                                      /* toggle info */
 301                 p_vout->b_info = ! p_vout->b_info;
 302                 p_vout->i_changes |= VOUT_INFO_CHANGE;
 303                 break;
 304
 305             case SDLK_s:                                   /* toggle scaling */
 306                 p_vout->b_scale = ! p_vout->b_scale;
 307                 p_vout->i_changes |= VOUT_SCALE_CHANGE;
 308                 break;
 309
 310             case SDLK_SPACE:                             /* toggle interface */
 311                 p_vout->b_interface = ! p_vout->b_interface;
 312                 p_vout->i_changes |= VOUT_INTF_CHANGE;
 313                 break;
 314
 315             default:
 316                 if( intf_ProcessKey( p_main->p_intf, (char )i_key ) )
 317                 {
 318                    intf_DbgMsg( "unhandled key '%c' (%i)", (char)i_key, i_key );                }
 319                 break;
 320             }
 321             break;
 322
 323         default:
 324             break;
 325         }
 326     }
 327
 328     /*
 329      * Size Change
 330      */
 331     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 332     {
 333         p_vout->p_sys->i_width = p_vout->i_width;
 334         p_vout->p_sys->i_height = p_vout->i_height;
 335
 336         /* Need to reopen display */
 337         SDLCloseDisplay( p_vout );
 338         if( SDLOpenDisplay( p_vout ) )
 339         {
 340           intf_ErrMsg( "error: can't open DISPLAY default display" );
 341           return( 1 );
 342         }
 343         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 344     }
 345
 346     /*
 347      * YUV Change
 348      */
 349     if( p_vout->i_changes & VOUT_YUV_CHANGE )
 350     {
 351         p_vout->b_need_render = ! p_vout->b_need_render;
 352
 353         /* Need to reopen display */
 354         SDLCloseDisplay( p_vout );
 355         if( SDLOpenDisplay( p_vout ) )
 356         {
 357           intf_ErrMsg( "error: can't open DISPLAY default display" );
 358           return( 1 );
 359         }
 360         p_vout->i_changes &= ~VOUT_YUV_CHANGE;
 361     }
 362
 363     /*
 364      * Fullscreen change
 365      */
 366     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 367     {
 368         p_vout->p_sys->b_fullscreen = ! p_vout->p_sys->b_fullscreen;
 369
 370         if( p_vout->p_sys->b_fullscreen )
 371         {
 372             p_vout->p_sys->b_fullscreen = 0;
 373             p_vout->p_sys->b_cursor = 1;
 374             SDL_ShowCursor( 1 );
 375         }
 376         else
 377         {
 378             p_vout->p_sys->b_fullscreen = 1;
 379             p_vout->p_sys->b_cursor = 0;
 380             SDL_ShowCursor( 0 );
 381         }
 382
 383         SDL_WM_ToggleFullScreen(p_vout->p_sys->p_display);
 384
 385         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 386     }
 387
 388     /*
 389      * Pointer change
 390      */
 391     if( p_vout->i_changes & VOUT_CURSOR_CHANGE )
 392     {
 393         if( p_vout->p_sys->b_cursor )
 394         {
 395             SDL_ShowCursor( 0 );
 396             p_vout->p_sys->b_cursor = 0;
 397         }
 398         else
 399         {
 400             SDL_ShowCursor( 1 );
 401             p_vout->p_sys->b_cursor = 1;
 402         }
 403         p_vout->i_changes &= ~VOUT_CURSOR_CHANGE;
 404     }
 405
 406     return( 0 );
 407 }
 408
 409 /*****************************************************************************
 410  * vout_SetPalette: sets an 8 bpp palette
 411  *****************************************************************************
 412  * This function sets the palette given as an argument. It does not return
 413  * anything, but could later send information on which colors it was unable
 414  * to set.
 415  *****************************************************************************/
 416 static void vout_SetPalette( p_vout_thread_t p_vout, u16 *red, u16 *green,
 417                          u16 *blue, u16 *transp)
 418 {
 419      /* Create a display surface with a grayscale palette */
 420     SDL_Color colors[256];
 421     int i;
 422
 423     /* Fill colors with color information */
 424     for( i = 0; i < 256; i++ )
 425     {
 426         colors[ i ].r = red[ i ] >> 8;
 427         colors[ i ].g = green[ i ] >> 8;
 428         colors[ i ].b = blue[ i ] >> 8;
 429     }
 430
 431     /* Set palette */
 432     if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
 433     {
 434         intf_ErrMsg( "vout error: failed setting palette" );
 435     }
 436
 437 }
 438
 439 /*****************************************************************************
 440  * vout_Display: displays previously rendered output
 441  *****************************************************************************
 442  * This function send the currently rendered image to the display, wait until
 443  * it is displayed and switch the two rendering buffer, preparing next frame.
 444  *****************************************************************************/
 445 static void vout_Display( vout_thread_t *p_vout )
 446 {
 447     SDL_Rect    disp;
 448     if((p_vout->p_sys->p_display != NULL) && !p_vout->p_sys->b_reopen_display)
 449     {
 450         if( p_vout->b_need_render )
 451         {
 452             /* Change display frame */
 453             SDL_Flip( p_vout->p_sys->p_display );
 454         }
 455         else
 456         {
 457
 458             /*
 459              * p_vout->p_rendered_pic->p_y/u/v contains the YUV buffers to
 460              * render
 461              */
 462             /* TODO: support for streams other than 4:2:0 */
 463             /* create the overlay if necessary */
 464             if( p_vout->p_sys->p_overlay == NULL )
 465             {
 466                 p_vout->p_sys->p_overlay = SDL_CreateYUVOverlay(
 467                                              p_vout->p_rendered_pic->i_width,
 468                                              p_vout->p_rendered_pic->i_height,
 469                                              SDL_YV12_OVERLAY,
 470                                              p_vout->p_sys->p_display
 471                                            );
 472                 intf_Msg("vout: YUV acceleration %s",
 473                             p_vout->p_sys->p_overlay->hw_overlay
 474                             ? "activated" : "unavailable !" );
 475             }
 476
 477             SDL_LockYUVOverlay(p_vout->p_sys->p_overlay);
 478             /* copy the data into video buffers */
 479             /* Y first */
 480             memcpy(p_vout->p_sys->p_overlay->pixels[0],
 481                    p_vout->p_rendered_pic->p_y,
 482                    p_vout->p_sys->p_overlay->h *
 483                    p_vout->p_sys->p_overlay->pitches[0]);
 484             /* then V */
 485             memcpy(p_vout->p_sys->p_overlay->pixels[1],
 486                    p_vout->p_rendered_pic->p_v,
 487                    p_vout->p_sys->p_overlay->h *
 488                    p_vout->p_sys->p_overlay->pitches[1] / 2);
 489             /* and U */
 490             memcpy(p_vout->p_sys->p_overlay->pixels[2],
 491                    p_vout->p_rendered_pic->p_u,
 492                    p_vout->p_sys->p_overlay->h *
 493                    p_vout->p_sys->p_overlay->pitches[2] / 2);
 494
 495             disp.w = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_width;
 496             disp.h = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_height;
 497             disp.x = (p_vout->i_width - disp.w)/2;
 498             disp.y = (p_vout->i_height - disp.h)/2;
 499
 500             SDL_DisplayYUVOverlay( p_vout->p_sys->p_overlay , &disp );
 501             SDL_UnlockYUVOverlay(p_vout->p_sys->p_overlay);
 502         }
 503     }
 504 }
 505
 506 /* following functions are local */
 507
 508 /*****************************************************************************
 509  * SDLOpenDisplay: open and initialize SDL device
 510  *****************************************************************************
 511  * Open and initialize display according to preferences specified in the vout
 512  * thread fields.
 513  *****************************************************************************/
 514 static int SDLOpenDisplay( vout_thread_t *p_vout )
 515 {
 516     SDL_Rect    clipping_rect;
 517     Uint32      flags;
 518     int bpp;
 519     /* Open display
 520      * TODO: Check that we can request for a DOUBLEBUF HWSURFACE display
 521      */
 522
 523     /* init flags and cursor */
 524     flags = SDL_ANYFORMAT | SDL_HWPALETTE;
 525
 526     if( p_vout->p_sys->b_fullscreen )
 527         flags |= SDL_FULLSCREEN;
 528     else
 529         flags |= SDL_RESIZABLE;
 530
 531     if( p_vout->b_need_render )
 532         flags |= SDL_HWSURFACE | SDL_DOUBLEBUF;
 533     else
 534         flags |= SDL_SWSURFACE; /* save video memory */
 535
 536     bpp = SDL_VideoModeOK(p_vout->p_sys->i_width,
 537                           p_vout->p_sys->i_height,
 538                           p_vout->i_screen_depth, flags);
 539
 540     if(bpp == 0)
 541     {
 542         intf_ErrMsg( "error: can't open DISPLAY default display" );
 543         return( 1 );
 544     }
 545
 546     p_vout->p_sys->p_display = SDL_SetVideoMode(p_vout->p_sys->i_width,
 547                                                 p_vout->p_sys->i_height,
 548                                                 bpp, flags);
 549
 550     if( p_vout->p_sys->p_display == NULL )
 551     {
 552         intf_ErrMsg( "error: can't open DISPLAY default display" );
 553         return( 1 );
 554     }
 555
 556     SDL_LockSurface(p_vout->p_sys->p_display);
 557
 558     if( p_vout->p_sys->b_fullscreen )
 559         SDL_ShowCursor( 0 );
 560     else
 561         SDL_ShowCursor( 1 );
 562
 563     SDL_WM_SetCaption( VOUT_TITLE , VOUT_TITLE );
 564     SDL_EventState(SDL_KEYUP , SDL_IGNORE);                /* ignore keys up */
 565     SDL_EventState(SDL_MOUSEBUTTONUP, SDL_IGNORE);
 566
 567     if( p_vout->b_need_render )
 568     {
 569         p_vout->p_sys->p_sdl_buf[ 0 ] = p_vout->p_sys->p_display->pixels;
 570         SDL_Flip(p_vout->p_sys->p_display);
 571         p_vout->p_sys->p_sdl_buf[ 1 ] = p_vout->p_sys->p_display->pixels;
 572         SDL_Flip(p_vout->p_sys->p_display);
 573
 574         /* Set clipping for text */
 575         clipping_rect.x = 0;
 576         clipping_rect.y = 0;
 577         clipping_rect.w = p_vout->p_sys->p_display->w;
 578         clipping_rect.h = p_vout->p_sys->p_display->h;
 579         SDL_SetClipRect(p_vout->p_sys->p_display, &clipping_rect);
 580
 581         /* Set thread information */
 582         p_vout->i_width =           p_vout->p_sys->p_display->w;
 583         p_vout->i_height =          p_vout->p_sys->p_display->h;
 584         p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
 585
 586         p_vout->i_screen_depth =
 587             p_vout->p_sys->p_display->format->BitsPerPixel;
 588         p_vout->i_bytes_per_pixel =
 589             p_vout->p_sys->p_display->format->BytesPerPixel;
 590
 591         p_vout->i_red_mask =        p_vout->p_sys->p_display->format->Rmask;
 592         p_vout->i_green_mask =      p_vout->p_sys->p_display->format->Gmask;
 593         p_vout->i_blue_mask =       p_vout->p_sys->p_display->format->Bmask;
 594
 595         /* FIXME: palette in 8bpp ?? */
 596         /* Set and initialize buffers */
 597         vout_SetBuffers( p_vout, p_vout->p_sys->p_sdl_buf[ 0 ],
 598                                  p_vout->p_sys->p_sdl_buf[ 1 ] );
 599     }
 600     else
 601     {
 602         p_vout->p_sys->p_sdl_buf[ 0 ] = p_vout->p_sys->p_display->pixels;
 603         p_vout->p_sys->p_sdl_buf[ 1 ] = p_vout->p_sys->p_display->pixels;
 604
 605         /* Set thread information */
 606         p_vout->i_width =           p_vout->p_sys->p_display->w;
 607         p_vout->i_height =          p_vout->p_sys->p_display->h;
 608         p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
 609
 610         vout_SetBuffers( p_vout, p_vout->p_sys->p_sdl_buf[ 0 ],
 611                                  p_vout->p_sys->p_sdl_buf[ 1 ] );
 612     }
 613
 614     p_vout->p_sys->b_reopen_display = 0;
 615
 616     return( 0 );
 617 }
 618
 619 /*****************************************************************************
 620  * SDLCloseDisplay: close and reset SDL device
 621  *****************************************************************************
 622  * This function returns all resources allocated by SDLOpenDisplay and restore
 623  * the original state of the device.
 624  *****************************************************************************/
 625 static void SDLCloseDisplay( vout_thread_t *p_vout )
 626 {
 627     if( p_vout->p_sys->p_display != NULL )
 628     {
 629         if( p_vout->p_sys->p_overlay != NULL )
 630         {
 631             SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
 632             p_vout->p_sys->p_overlay = NULL;
 633         }
 634
 635         SDL_UnlockSurface ( p_vout->p_sys->p_display );
 636         SDL_FreeSurface( p_vout->p_sys->p_display );
 637         p_vout->p_sys->p_display = NULL;
 638     }
 639 }
 640