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 #define MODULE_NAME sdl
  26 #include "modules_inner.h"
  27
  28 /*****************************************************************************
  29  * Preamble
  30  *****************************************************************************/
  31 #include "defs.h"
  32
  33 #include <errno.h>                                                 /* ENOMEM */
  34 #include <stdlib.h>                                                /* free() */
  35 #include <string.h>                                            /* strerror() */
  36
  37 #include <SDL/SDL.h>
  38
  39 #include "config.h"
  40 #include "common.h"
  41 #include "threads.h"
  42 #include "mtime.h"
  43 #include "tests.h"
  44 #include "modules.h"
  45
  46 #include "video.h"
  47 #include "video_output.h"
  48
  49 #include "intf_msg.h"
  50 #include "interface.h"
  51 /* FIXME: get rid of this */
  52 #include "keystrokes.h"
  53 #include "main.h"
  54
  55 /*****************************************************************************
  56  * FIXME: this file is ...                                                   *
  57  *                                                                           *
  58  *              XXX   XXX     FIXME     XXX     XXX   XXX   XXX              *
  59  *              XXX   XXX   XXX   XXX   XXX     XXX   XXX   XXX              *
  60  *              XXX   XXX   XXX         XXX       FIXME     XXX              *
  61  *              XXX   XXX   XXX  TODO   XXX        XXX      XXX              *
  62  *              XXX   XXX   XXX   XXX   XXX        XXX                       *
  63  *                FIXME       FIXME       FIXME    XXX      XXX              *
  64  *                                                                           *
  65  *****************************************************************************/
  66
  67 /*****************************************************************************
  68  * vout_sys_t: video output SDL method descriptor
  69  *****************************************************************************
  70  * This structure is part of the video output thread descriptor.
  71  * It describes the SDL specific properties of an output thread.
  72  *****************************************************************************/
  73 typedef struct vout_sys_s
  74 {
  75     int i_width;
  76     int i_height;
  77
  78     SDL_Surface *   p_display;                             /* display device */
  79     SDL_Overlay *   p_overlay;                             /* overlay device */
  80
  81     boolean_t   b_fullscreen;
  82     boolean_t   b_overlay;
  83     boolean_t   b_cursor;
  84     boolean_t   b_reopen_display;
  85
  86     boolean_t   b_cursor_autohidden;
  87     mtime_t     i_lastmoved;
  88
  89     Uint8   *   p_sdl_buf[2];                          /* Buffer information */
  90
  91 } vout_sys_t;
  92
  93 /*****************************************************************************
  94  * Local prototypes.
  95  *****************************************************************************/
  96 static int  vout_Probe     ( probedata_t *p_data );
  97 static int  vout_Create    ( struct vout_thread_s * );
  98 static int  vout_Init      ( struct vout_thread_s * );
  99 static void vout_End       ( struct vout_thread_s * );
 100 static void vout_Destroy   ( struct vout_thread_s * );
 101 static int  vout_Manage    ( struct vout_thread_s * );
 102 static void vout_Display   ( struct vout_thread_s * );
 103 static void vout_SetPalette( p_vout_thread_t p_vout, u16 *red, u16 *green,
 104                              u16 *blue, u16 *transp );
 105
 106 static int  SDLOpenDisplay      ( vout_thread_t *p_vout );
 107 static void SDLCloseDisplay     ( vout_thread_t *p_vout );
 108
 109 /*****************************************************************************
 110  * Functions exported as capabilities. They are declared as static so that
 111  * we don't pollute the namespace too much.
 112  *****************************************************************************/
 113 void _M( vout_getfunctions )( function_list_t * p_function_list )
 114 {
 115     p_function_list->pf_probe = vout_Probe;
 116     p_function_list->functions.vout.pf_create     = vout_Create;
 117     p_function_list->functions.vout.pf_init       = vout_Init;
 118     p_function_list->functions.vout.pf_end        = vout_End;
 119     p_function_list->functions.vout.pf_destroy    = vout_Destroy;
 120     p_function_list->functions.vout.pf_manage     = vout_Manage;
 121     p_function_list->functions.vout.pf_display    = vout_Display;
 122     p_function_list->functions.vout.pf_setpalette = vout_SetPalette;
 123 }
 124
 125 /*****************************************************************************
 126  * vout_Probe: probe the video driver and return a score
 127  *****************************************************************************
 128  * This function tries to initialize SDL and returns a score to the
 129  * plugin manager so that it can select the best plugin.
 130  *****************************************************************************/
 131 static int vout_Probe( probedata_t *p_data )
 132 {
 133     if( TestMethod( VOUT_METHOD_VAR, "sdl" ) )
 134     {
 135         return( 999 );
 136     }
 137
 138     return( 100 );
 139 }
 140
 141 /*****************************************************************************
 142  * vout_Create: allocate SDL video thread output method
 143  *****************************************************************************
 144  * This function allocate and initialize a SDL vout method. It uses some of the
 145  * vout properties to choose the correct mode, and change them according to the
 146  * mode actually used.
 147  *****************************************************************************/
 148 static int vout_Create( vout_thread_t *p_vout )
 149 {
 150     /* Allocate structure */
 151     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 152     if( p_vout->p_sys == NULL )
 153     {
 154         intf_ErrMsg( "vout error: can't create p_sys (%s)", strerror(ENOMEM) );
 155         return( 1 );
 156     }
 157
 158     /* Initialize library */
 159     if( SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTTHREAD | SDL_INIT_NOPARACHUTE)
 160             < 0 )
 161     {
 162         intf_ErrMsg( "vout error: can't initialize SDL (%s)", SDL_GetError() );
 163         free( p_vout->p_sys );
 164         return( 1 );
 165     }
 166
 167     p_vout->p_sys->b_cursor = 1; /* TODO should be done with a main_GetInt.. */
 168
 169     p_vout->p_sys->b_cursor_autohidden = 0;
 170     p_vout->p_sys->i_lastmoved = mdate();
 171
 172     p_vout->p_sys->b_fullscreen = main_GetIntVariable( VOUT_FULLSCREEN_VAR,
 173                                 VOUT_FULLSCREEN_DEFAULT );
 174     p_vout->p_sys->b_overlay = main_GetIntVariable( VOUT_OVERLAY_VAR,
 175                                 VOUT_OVERLAY_DEFAULT );
 176     p_vout->p_sys->i_width = main_GetIntVariable( VOUT_WIDTH_VAR,
 177                                 VOUT_WIDTH_DEFAULT );
 178     p_vout->p_sys->i_height = main_GetIntVariable( VOUT_HEIGHT_VAR,
 179                                 VOUT_HEIGHT_DEFAULT );
 180
 181     p_vout->p_sys->p_display = NULL;
 182     p_vout->p_sys->p_overlay = NULL;
 183
 184     if( SDLOpenDisplay(p_vout) )
 185     {
 186         intf_ErrMsg( "vout error: can't set up SDL (%s)", SDL_GetError() );
 187         free( p_vout->p_sys );
 188         return( 1 );
 189     }
 190
 191     /* FIXME: get rid of this ASAP, it's FUCKING UGLY */
 192     { intf_thread_t * p_intf = p_main->p_intf;
 193     intf_AssignKey(p_intf, SDLK_q,      INTF_KEY_QUIT, 0);
 194     intf_AssignKey(p_intf, SDLK_ESCAPE, INTF_KEY_QUIT, 0);
 195     /* intf_AssignKey(p_intf,3,'Q'); */
 196     intf_AssignKey(p_intf, SDLK_0,      INTF_KEY_SET_CHANNEL,0);
 197     intf_AssignKey(p_intf, SDLK_1,      INTF_KEY_SET_CHANNEL,1);
 198     intf_AssignKey(p_intf, SDLK_2,      INTF_KEY_SET_CHANNEL,2);
 199     intf_AssignKey(p_intf, SDLK_3,      INTF_KEY_SET_CHANNEL,3);
 200     intf_AssignKey(p_intf, SDLK_4,      INTF_KEY_SET_CHANNEL,4);
 201     intf_AssignKey(p_intf, SDLK_5,      INTF_KEY_SET_CHANNEL,5);
 202     intf_AssignKey(p_intf, SDLK_6,      INTF_KEY_SET_CHANNEL,6);
 203     intf_AssignKey(p_intf, SDLK_7,      INTF_KEY_SET_CHANNEL,7);
 204     intf_AssignKey(p_intf, SDLK_8,      INTF_KEY_SET_CHANNEL,8);
 205     intf_AssignKey(p_intf, SDLK_9,      INTF_KEY_SET_CHANNEL,9);
 206     intf_AssignKey(p_intf, SDLK_PLUS,   INTF_KEY_INC_VOLUME, 0);
 207     intf_AssignKey(p_intf, SDLK_MINUS,  INTF_KEY_DEC_VOLUME, 0);
 208     intf_AssignKey(p_intf, SDLK_m,      INTF_KEY_TOGGLE_VOLUME, 0);
 209     /* intf_AssignKey(p_intf,'M','M'); */
 210     intf_AssignKey(p_intf, SDLK_g,      INTF_KEY_DEC_GAMMA, 0);
 211     /* intf_AssignKey(p_intf,'G','G'); */
 212     intf_AssignKey(p_intf, SDLK_c,      INTF_KEY_TOGGLE_GRAYSCALE, 0);
 213     intf_AssignKey(p_intf, SDLK_SPACE,  INTF_KEY_TOGGLE_INTERFACE, 0);
 214     intf_AssignKey(p_intf, SDLK_i,      INTF_KEY_TOGGLE_INFO, 0);
 215     intf_AssignKey(p_intf, SDLK_s,      INTF_KEY_TOGGLE_SCALING, 0);
 216     intf_AssignKey(p_intf, SDLK_d,      INTF_KEY_DUMP_STREAM, 0); }
 217
 218     return( 0 );
 219 }
 220
 221 /*****************************************************************************
 222  * vout_Init: initialize SDL video thread output method
 223  *****************************************************************************
 224  * This function initialize the SDL display device.
 225  *****************************************************************************/
 226 static int vout_Init( vout_thread_t *p_vout )
 227 {
 228     /* This hack is hugly, but hey, you are, too. */
 229
 230     SDL_Overlay *   p_overlay;
 231
 232     p_overlay = SDL_CreateYUVOverlay(
 233            main_GetIntVariable( VOUT_WIDTH_VAR,VOUT_WIDTH_DEFAULT ),
 234            main_GetIntVariable( VOUT_HEIGHT_VAR,VOUT_HEIGHT_DEFAULT ),
 235                                       SDL_YV12_OVERLAY,
 236                                       p_vout->p_sys->p_display );
 237     intf_Msg( "vout: YUV acceleration %s",
 238               p_overlay->hw_overlay ? "activated" : "unavailable !" );
 239     p_vout->b_need_render = !p_overlay->hw_overlay;
 240
 241     SDL_FreeYUVOverlay( p_overlay );
 242
 243     return( 0 );
 244 }
 245
 246 /*****************************************************************************
 247  * vout_End: terminate Sys video thread output method
 248  *****************************************************************************
 249  * Terminate an output method created by vout_SDLCreate
 250  *****************************************************************************/
 251 static void vout_End( vout_thread_t *p_vout )
 252 {
 253     SDLCloseDisplay( p_vout );
 254     SDL_Quit();
 255 }
 256
 257 /*****************************************************************************
 258  * vout_Destroy: destroy Sys video thread output method
 259  *****************************************************************************
 260  * Terminate an output method created by vout_SDLCreate
 261  *****************************************************************************/
 262 static void vout_Destroy( vout_thread_t *p_vout )
 263 {
 264     free( p_vout->p_sys );
 265 }
 266
 267 /*****************************************************************************
 268  * vout_Manage: handle Sys events
 269  *****************************************************************************
 270  * This function should be called regularly by video output thread. It returns
 271  * a non null value if an error occured.
 272  *****************************************************************************/
 273 static int vout_Manage( vout_thread_t *p_vout )
 274 {
 275     SDL_Event event;                                            /* SDL event */
 276     Uint8     i_key;
 277
 278     /* Process events */
 279     while( SDL_PollEvent(&event) )
 280     {
 281         switch( event.type )
 282         {
 283         case SDL_VIDEORESIZE:                          /* Resizing of window */
 284             p_vout->i_width = event.resize.w;
 285             p_vout->i_height = event.resize.h;
 286             p_vout->i_changes |= VOUT_SIZE_CHANGE;
 287             break;
 288
 289         case SDL_MOUSEMOTION:
 290             if( p_vout->p_sys->b_cursor &&
 291                 (abs(event.motion.xrel) > 2 || abs(event.motion.yrel) > 2) )
 292             {
 293                 if( p_vout->p_sys->b_cursor_autohidden )
 294                 {
 295                     p_vout->p_sys->b_cursor_autohidden = 0;
 296                     SDL_ShowCursor( 1 );
 297                 }
 298                 else
 299                 {
 300                     p_vout->p_sys->i_lastmoved = mdate();
 301                 }
 302             }
 303             break;
 304
 305         case SDL_MOUSEBUTTONUP:
 306             switch( event.button.button )
 307             {
 308             case SDL_BUTTON_RIGHT:
 309                 p_main->p_intf->b_menu_change = 1;
 310                 break;
 311             }
 312             break;
 313
 314         case SDL_MOUSEBUTTONDOWN:
 315             switch( event.button.button )
 316             {
 317             case SDL_BUTTON_MIDDLE:
 318                 p_vout->i_changes |= VOUT_CURSOR_CHANGE;
 319                 break;
 320             }
 321             break;
 322
 323         case SDL_QUIT:
 324             intf_ProcessKey( p_main->p_intf, SDLK_q );
 325             break;
 326
 327         case SDL_KEYDOWN:                             /* if a key is pressed */
 328             i_key = event.key.keysym.sym;
 329
 330             switch( i_key )
 331             {
 332             case SDLK_f:                             /* switch to fullscreen */
 333                 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 334                 break;
 335
 336             case SDLK_y:                               /* switch to hard YUV */
 337                 p_vout->i_changes |= VOUT_YUV_CHANGE;
 338                 break;
 339
 340             case SDLK_c:                                 /* toggle grayscale */
 341                 p_vout->b_grayscale = ! p_vout->b_grayscale;
 342                 p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
 343                 break;
 344
 345             case SDLK_i:                                      /* toggle info */
 346                 p_vout->b_info = ! p_vout->b_info;
 347                 p_vout->i_changes |= VOUT_INFO_CHANGE;
 348                 break;
 349
 350             case SDLK_s:                                   /* toggle scaling */
 351                 p_vout->b_scale = ! p_vout->b_scale;
 352                 p_vout->i_changes |= VOUT_SCALE_CHANGE;
 353                 break;
 354
 355             case SDLK_SPACE:                             /* toggle interface */
 356                 p_vout->b_interface = ! p_vout->b_interface;
 357                 p_vout->i_changes |= VOUT_INTF_CHANGE;
 358                 break;
 359
 360             default:
 361                 if( intf_ProcessKey( p_main->p_intf, (char )i_key ) )
 362                 {
 363                    intf_DbgMsg( "unhandled key '%c' (%i)", (char)i_key, i_key );                }
 364                 break;
 365             }
 366             break;
 367
 368         default:
 369             break;
 370         }
 371     }
 372
 373     /*
 374      * Size Change
 375      */
 376     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 377     {
 378         p_vout->p_sys->i_width = p_vout->i_width;
 379         p_vout->p_sys->i_height = p_vout->i_height;
 380
 381         /* Need to reopen display */
 382         SDLCloseDisplay( p_vout );
 383         if( SDLOpenDisplay( p_vout ) )
 384         {
 385           intf_ErrMsg( "vout error: can't reopen display after resize" );
 386           return( 1 );
 387         }
 388         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 389     }
 390
 391     /*
 392      * YUV Change
 393      */
 394     if( p_vout->i_changes & VOUT_YUV_CHANGE )
 395     {
 396         p_vout->b_need_render = ! p_vout->b_need_render;
 397
 398         /* Need to reopen display */
 399         SDLCloseDisplay( p_vout );
 400         if( SDLOpenDisplay( p_vout ) )
 401         {
 402           intf_ErrMsg( "error: can't reopen display after YUV change" );
 403           return( 1 );
 404         }
 405         p_vout->i_changes &= ~VOUT_YUV_CHANGE;
 406     }
 407
 408     /*
 409      * Fullscreen change
 410      */
 411     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 412     {
 413         p_vout->p_sys->b_fullscreen = ! p_vout->p_sys->b_fullscreen;
 414
 415         SDL_WM_ToggleFullScreen(p_vout->p_sys->p_display);
 416
 417         p_vout->p_sys->b_cursor_autohidden = 0;
 418         SDL_ShowCursor( p_vout->p_sys->b_cursor &&
 419                         ! p_vout->p_sys->b_cursor_autohidden );
 420
 421         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 422     }
 423
 424     /*
 425      * Pointer change
 426      */
 427     if( ! p_vout->p_sys->b_cursor_autohidden &&
 428         ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) )
 429     {
 430         /* Hide the mouse automatically */
 431         p_vout->p_sys->b_cursor_autohidden = 1;
 432         SDL_ShowCursor( 0 );
 433     }
 434
 435     if( p_vout->i_changes & VOUT_CURSOR_CHANGE )
 436     {
 437         p_vout->p_sys->b_cursor = ! p_vout->p_sys->b_cursor;
 438
 439         SDL_ShowCursor( p_vout->p_sys->b_cursor &&
 440                         ! p_vout->p_sys->b_cursor_autohidden );
 441
 442         p_vout->i_changes &= ~VOUT_CURSOR_CHANGE;
 443     }
 444
 445     return( 0 );
 446 }
 447
 448 /*****************************************************************************
 449  * vout_SetPalette: sets an 8 bpp palette
 450  *****************************************************************************
 451  * This function sets the palette given as an argument. It does not return
 452  * anything, but could later send information on which colors it was unable
 453  * to set.
 454  *****************************************************************************/
 455 static void vout_SetPalette( p_vout_thread_t p_vout, u16 *red, u16 *green,
 456                          u16 *blue, u16 *transp)
 457 {
 458      /* Create a display surface with a grayscale palette */
 459     SDL_Color colors[256];
 460     int i;
 461
 462     /* Fill colors with color information */
 463     for( i = 0; i < 256; i++ )
 464     {
 465         colors[ i ].r = red[ i ] >> 8;
 466         colors[ i ].g = green[ i ] >> 8;
 467         colors[ i ].b = blue[ i ] >> 8;
 468     }
 469
 470     /* Set palette */
 471     if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
 472     {
 473         intf_ErrMsg( "vout error: failed setting palette" );
 474     }
 475
 476 }
 477
 478 /*****************************************************************************
 479  * vout_Display: displays previously rendered output
 480  *****************************************************************************
 481  * This function send the currently rendered image to the display, wait until
 482  * it is displayed and switch the two rendering buffer, preparing next frame.
 483  *****************************************************************************/
 484 static void vout_Display( vout_thread_t *p_vout )
 485 {
 486     SDL_Rect    disp;
 487     if((p_vout->p_sys->p_display != NULL) && !p_vout->p_sys->b_reopen_display)
 488     {
 489         if( p_vout->b_need_render )
 490         {
 491             /* Change display frame */
 492             SDL_Flip( p_vout->p_sys->p_display );
 493         }
 494         else
 495         {
 496             /*
 497              * p_vout->p_rendered_pic->p_y/u/v contains the YUV buffers to
 498              * render
 499              */
 500             /* TODO: support for streams other than 4:2:0 */
 501             /* create the overlay if necessary */
 502             if( p_vout->p_sys->p_overlay == NULL )
 503             {
 504                 p_vout->p_sys->p_overlay = SDL_CreateYUVOverlay(
 505                                              p_vout->p_rendered_pic->i_width,
 506                                              p_vout->p_rendered_pic->i_height,
 507                                              SDL_YV12_OVERLAY,
 508                                              p_vout->p_sys->p_display
 509                                            );
 510                 intf_Msg("vout: YUV acceleration %s",
 511                             p_vout->p_sys->p_overlay->hw_overlay
 512                             ? "activated" : "unavailable !" );
 513             }
 514
 515             SDL_LockYUVOverlay(p_vout->p_sys->p_overlay);
 516             /* copy the data into video buffers */
 517             /* Y first */
 518             memcpy(p_vout->p_sys->p_overlay->pixels[0],
 519                    p_vout->p_rendered_pic->p_y,
 520                    p_vout->p_sys->p_overlay->h *
 521                    p_vout->p_sys->p_overlay->pitches[0]);
 522             /* then V */
 523             memcpy(p_vout->p_sys->p_overlay->pixels[1],
 524                    p_vout->p_rendered_pic->p_v,
 525                    p_vout->p_sys->p_overlay->h *
 526                    p_vout->p_sys->p_overlay->pitches[1] / 2);
 527             /* and U */
 528             memcpy(p_vout->p_sys->p_overlay->pixels[2],
 529                    p_vout->p_rendered_pic->p_u,
 530                    p_vout->p_sys->p_overlay->h *
 531                    p_vout->p_sys->p_overlay->pitches[2] / 2);
 532
 533             disp.w = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_width;
 534             disp.h = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_height;
 535             disp.x = (p_vout->i_width - disp.w)/2;
 536             disp.y = (p_vout->i_height - disp.h)/2;
 537
 538             SDL_DisplayYUVOverlay( p_vout->p_sys->p_overlay , &disp );
 539             SDL_UnlockYUVOverlay(p_vout->p_sys->p_overlay);
 540         }
 541     }
 542 }
 543
 544 /* following functions are local */
 545
 546 /*****************************************************************************
 547  * SDLOpenDisplay: open and initialize SDL device
 548  *****************************************************************************
 549  * Open and initialize display according to preferences specified in the vout
 550  * thread fields.
 551  *****************************************************************************/
 552 static int SDLOpenDisplay( vout_thread_t *p_vout )
 553 {
 554     SDL_Rect    clipping_rect;
 555     Uint32      flags;
 556     int bpp;
 557     /* Open display
 558      * TODO: Check that we can request for a DOUBLEBUF HWSURFACE display
 559      */
 560
 561     /* init flags and cursor */
 562     flags = SDL_ANYFORMAT | SDL_HWPALETTE;
 563
 564     if( p_vout->p_sys->b_fullscreen )
 565     {
 566         flags |= SDL_FULLSCREEN;
 567     }
 568     else
 569     {
 570         flags |= SDL_RESIZABLE;
 571     }
 572
 573     if( p_vout->b_need_render )
 574     {
 575         flags |= SDL_HWSURFACE | SDL_DOUBLEBUF;
 576     }
 577     else
 578     {
 579         flags |= SDL_SWSURFACE; /* save video memory */
 580     }
 581
 582     bpp = SDL_VideoModeOK( p_vout->p_sys->i_width,
 583                            p_vout->p_sys->i_height,
 584                            p_vout->i_screen_depth, flags );
 585
 586     if( bpp == 0 )
 587     {
 588         intf_ErrMsg( "vout error: no video mode available" );
 589         return( 1 );
 590     }
 591
 592     p_vout->p_sys->p_display = SDL_SetVideoMode(p_vout->p_sys->i_width,
 593                                                 p_vout->p_sys->i_height,
 594                                                 bpp, flags);
 595
 596     if( p_vout->p_sys->p_display == NULL )
 597     {
 598         intf_ErrMsg( "vout error: cannot set video mode" );
 599         return( 1 );
 600     }
 601
 602     SDL_LockSurface( p_vout->p_sys->p_display );
 603
 604     SDL_WM_SetCaption( VOUT_TITLE " (SDL output)",
 605                        VOUT_TITLE " (SDL output)" );
 606     SDL_EventState(SDL_KEYUP , SDL_IGNORE);                /* ignore keys up */
 607
 608     if( p_vout->b_need_render )
 609     {
 610         p_vout->p_sys->p_sdl_buf[ 0 ] = p_vout->p_sys->p_display->pixels;
 611         SDL_Flip(p_vout->p_sys->p_display);
 612         p_vout->p_sys->p_sdl_buf[ 1 ] = p_vout->p_sys->p_display->pixels;
 613         SDL_Flip(p_vout->p_sys->p_display);
 614
 615         /* Set clipping for text */
 616         clipping_rect.x = 0;
 617         clipping_rect.y = 0;
 618         clipping_rect.w = p_vout->p_sys->p_display->w;
 619         clipping_rect.h = p_vout->p_sys->p_display->h;
 620         SDL_SetClipRect(p_vout->p_sys->p_display, &clipping_rect);
 621
 622         /* Set thread information */
 623         p_vout->i_width =           p_vout->p_sys->p_display->w;
 624         p_vout->i_height =          p_vout->p_sys->p_display->h;
 625         p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
 626
 627         p_vout->i_screen_depth =
 628             p_vout->p_sys->p_display->format->BitsPerPixel;
 629         p_vout->i_bytes_per_pixel =
 630             p_vout->p_sys->p_display->format->BytesPerPixel;
 631
 632         p_vout->i_red_mask =        p_vout->p_sys->p_display->format->Rmask;
 633         p_vout->i_green_mask =      p_vout->p_sys->p_display->format->Gmask;
 634         p_vout->i_blue_mask =       p_vout->p_sys->p_display->format->Bmask;
 635
 636         /* FIXME: palette in 8bpp ?? */
 637         /* Set and initialize buffers */
 638         vout_SetBuffers( p_vout, p_vout->p_sys->p_sdl_buf[ 0 ],
 639                                  p_vout->p_sys->p_sdl_buf[ 1 ] );
 640     }
 641     else
 642     {
 643         p_vout->p_sys->p_sdl_buf[ 0 ] = p_vout->p_sys->p_display->pixels;
 644         p_vout->p_sys->p_sdl_buf[ 1 ] = p_vout->p_sys->p_display->pixels;
 645
 646         /* Set thread information */
 647         p_vout->i_width =           p_vout->p_sys->p_display->w;
 648         p_vout->i_height =          p_vout->p_sys->p_display->h;
 649         p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
 650
 651         vout_SetBuffers( p_vout, p_vout->p_sys->p_sdl_buf[ 0 ],
 652                                  p_vout->p_sys->p_sdl_buf[ 1 ] );
 653     }
 654
 655     p_vout->p_sys->b_reopen_display = 0;
 656
 657     return( 0 );
 658 }
 659
 660 /*****************************************************************************
 661  * SDLCloseDisplay: close and reset SDL device
 662  *****************************************************************************
 663  * This function returns all resources allocated by SDLOpenDisplay and restore
 664  * the original state of the device.
 665  *****************************************************************************/
 666 static void SDLCloseDisplay( vout_thread_t *p_vout )
 667 {
 668     if( p_vout->p_sys->p_display != NULL )
 669     {
 670         if( p_vout->p_sys->p_overlay != NULL )
 671         {
 672             SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
 673             p_vout->p_sys->p_overlay = NULL;
 674         }
 675
 676         SDL_UnlockSurface ( p_vout->p_sys->p_display );
 677         SDL_FreeSurface( p_vout->p_sys->p_display );
 678         p_vout->p_sys->p_display = NULL;
 679     }
 680 }
 681