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  * $Id: vout_sdl.c,v 1.45 2001/03/21 13:42:34 sam Exp $
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *          Pierre Baillet <oct@zoy.org>
   9  *          Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 #define MODULE_NAME sdl
  27 #include "modules_inner.h"
  28
  29 /*****************************************************************************
  30  * Preamble
  31  *****************************************************************************/
  32 #include "defs.h"
  33
  34 #include <errno.h>                                                 /* ENOMEM */
  35 #include <stdlib.h>                                                /* free() */
  36 #include <string.h>                                            /* strerror() */
  37
  38 #include <SDL/SDL.h>
  39
  40 #include "config.h"
  41 #include "common.h"
  42 #include "threads.h"
  43 #include "mtime.h"
  44 #include "tests.h"
  45 #include "modules.h"
  46
  47 #include "video.h"
  48 #include "video_output.h"
  49
  50 #include "intf_msg.h"
  51 #include "interface.h"
  52 /* FIXME: get rid of this */
  53 #include "keystrokes.h"
  54 #include "main.h"
  55
  56 /*****************************************************************************
  57  * FIXME: this file is ...                                                   *
  58  *                                                                           *
  59  *              XXX   XXX     FIXME     XXX     XXX   XXX   XXX              *
  60  *              XXX   XXX   XXX   XXX   XXX     XXX   XXX   XXX              *
  61  *              XXX   XXX   XXX         XXX       FIXME     XXX              *
  62  *              XXX   XXX   XXX  TODO   XXX        XXX      XXX              *
  63  *              XXX   XXX   XXX   XXX   XXX        XXX                       *
  64  *                FIXME       FIXME       FIXME    XXX      XXX              *
  65  *                                                                           *
  66  *****************************************************************************/
  67
  68 /*****************************************************************************
  69  * vout_sys_t: video output SDL method descriptor
  70  *****************************************************************************
  71  * This structure is part of the video output thread descriptor.
  72  * It describes the SDL specific properties of an output thread.
  73  *****************************************************************************/
  74 typedef struct vout_sys_s
  75 {
  76     int i_width;
  77     int i_height;
  78
  79     SDL_Surface *   p_display;                             /* display device */
  80     SDL_Overlay *   p_overlay;                             /* overlay device */
  81
  82     boolean_t   b_fullscreen;
  83     boolean_t   b_overlay;
  84     boolean_t   b_cursor;
  85     boolean_t   b_reopen_display;
  86
  87     boolean_t   b_cursor_autohidden;
  88     mtime_t     i_lastmoved;
  89
  90     Uint8   *   p_sdl_buf[2];                          /* Buffer information */
  91
  92 } vout_sys_t;
  93
  94 /*****************************************************************************
  95  * Local prototypes.
  96  *****************************************************************************/
  97 static int  vout_Probe     ( probedata_t *p_data );
  98 static int  vout_Create    ( struct vout_thread_s * );
  99 static int  vout_Init      ( struct vout_thread_s * );
 100 static void vout_End       ( struct vout_thread_s * );
 101 static void vout_Destroy   ( struct vout_thread_s * );
 102 static int  vout_Manage    ( struct vout_thread_s * );
 103 static void vout_Display   ( struct vout_thread_s * );
 104 static void vout_SetPalette( p_vout_thread_t p_vout, u16 *red, u16 *green,
 105                              u16 *blue, u16 *transp );
 106
 107 static int  SDLOpenDisplay      ( vout_thread_t *p_vout );
 108 static void SDLCloseDisplay     ( vout_thread_t *p_vout );
 109
 110 /*****************************************************************************
 111  * Functions exported as capabilities. They are declared as static so that
 112  * we don't pollute the namespace too much.
 113  *****************************************************************************/
 114 void _M( vout_getfunctions )( function_list_t * p_function_list )
 115 {
 116     p_function_list->pf_probe = vout_Probe;
 117     p_function_list->functions.vout.pf_create     = vout_Create;
 118     p_function_list->functions.vout.pf_init       = vout_Init;
 119     p_function_list->functions.vout.pf_end        = vout_End;
 120     p_function_list->functions.vout.pf_destroy    = vout_Destroy;
 121     p_function_list->functions.vout.pf_manage     = vout_Manage;
 122     p_function_list->functions.vout.pf_display    = vout_Display;
 123     p_function_list->functions.vout.pf_setpalette = vout_SetPalette;
 124 }
 125
 126 /*****************************************************************************
 127  * vout_Probe: probe the video driver and return a score
 128  *****************************************************************************
 129  * This function tries to initialize SDL and returns a score to the
 130  * plugin manager so that it can select the best plugin.
 131  *****************************************************************************/
 132 static int vout_Probe( probedata_t *p_data )
 133 {
 134     if( TestMethod( VOUT_METHOD_VAR, "sdl" ) )
 135     {
 136         return( 999 );
 137     }
 138
 139     return( 100 );
 140 }
 141
 142 /*****************************************************************************
 143  * vout_Create: allocate SDL video thread output method
 144  *****************************************************************************
 145  * This function allocate and initialize a SDL vout method. It uses some of the
 146  * vout properties to choose the correct mode, and change them according to the
 147  * mode actually used.
 148  *****************************************************************************/
 149 static int vout_Create( vout_thread_t *p_vout )
 150 {
 151     /* Allocate structure */
 152     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 153     if( p_vout->p_sys == NULL )
 154     {
 155         intf_ErrMsg( "vout error: can't create p_sys (%s)", strerror(ENOMEM) );
 156         return( 1 );
 157     }
 158
 159     /* Initialize library */
 160     if( SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTTHREAD | SDL_INIT_NOPARACHUTE)
 161             < 0 )
 162     {
 163         intf_ErrMsg( "vout error: can't initialize SDL (%s)", SDL_GetError() );
 164         free( p_vout->p_sys );
 165         return( 1 );
 166     }
 167
 168     p_vout->p_sys->b_cursor = 1; /* TODO should be done with a main_GetInt.. */
 169
 170     p_vout->p_sys->b_cursor_autohidden = 0;
 171     p_vout->p_sys->i_lastmoved = mdate();
 172
 173     p_vout->p_sys->b_fullscreen = main_GetIntVariable( VOUT_FULLSCREEN_VAR,
 174                                 VOUT_FULLSCREEN_DEFAULT );
 175     p_vout->p_sys->b_overlay = main_GetIntVariable( VOUT_OVERLAY_VAR,
 176                                 VOUT_OVERLAY_DEFAULT );
 177     p_vout->p_sys->i_width = main_GetIntVariable( VOUT_WIDTH_VAR,
 178                                 VOUT_WIDTH_DEFAULT );
 179     p_vout->p_sys->i_height = main_GetIntVariable( VOUT_HEIGHT_VAR,
 180                                 VOUT_HEIGHT_DEFAULT );
 181
 182     p_vout->p_sys->p_display = NULL;
 183     p_vout->p_sys->p_overlay = NULL;
 184
 185     if( SDLOpenDisplay(p_vout) )
 186     {
 187         intf_ErrMsg( "vout error: can't set up SDL (%s)", SDL_GetError() );
 188         free( p_vout->p_sys );
 189         return( 1 );
 190     }
 191
 192     /* FIXME: get rid of this ASAP, it's FUCKING UGLY */
 193     { intf_thread_t * p_intf = p_main->p_intf;
 194     intf_AssignKey(p_intf, SDLK_q,      INTF_KEY_QUIT, 0);
 195     intf_AssignKey(p_intf, SDLK_ESCAPE, INTF_KEY_QUIT, 0);
 196     /* intf_AssignKey(p_intf,3,'Q'); */
 197     intf_AssignKey(p_intf, SDLK_0,      INTF_KEY_SET_CHANNEL,0);
 198     intf_AssignKey(p_intf, SDLK_1,      INTF_KEY_SET_CHANNEL,1);
 199     intf_AssignKey(p_intf, SDLK_2,      INTF_KEY_SET_CHANNEL,2);
 200     intf_AssignKey(p_intf, SDLK_3,      INTF_KEY_SET_CHANNEL,3);
 201     intf_AssignKey(p_intf, SDLK_4,      INTF_KEY_SET_CHANNEL,4);
 202     intf_AssignKey(p_intf, SDLK_5,      INTF_KEY_SET_CHANNEL,5);
 203     intf_AssignKey(p_intf, SDLK_6,      INTF_KEY_SET_CHANNEL,6);
 204     intf_AssignKey(p_intf, SDLK_7,      INTF_KEY_SET_CHANNEL,7);
 205     intf_AssignKey(p_intf, SDLK_8,      INTF_KEY_SET_CHANNEL,8);
 206     intf_AssignKey(p_intf, SDLK_9,      INTF_KEY_SET_CHANNEL,9);
 207     intf_AssignKey(p_intf, SDLK_PLUS,   INTF_KEY_INC_VOLUME, 0);
 208     intf_AssignKey(p_intf, SDLK_MINUS,  INTF_KEY_DEC_VOLUME, 0);
 209     intf_AssignKey(p_intf, SDLK_m,      INTF_KEY_TOGGLE_VOLUME, 0);
 210     /* intf_AssignKey(p_intf,'M','M'); */
 211     intf_AssignKey(p_intf, SDLK_g,      INTF_KEY_DEC_GAMMA, 0);
 212     /* intf_AssignKey(p_intf,'G','G'); */
 213     intf_AssignKey(p_intf, SDLK_c,      INTF_KEY_TOGGLE_GRAYSCALE, 0);
 214     intf_AssignKey(p_intf, SDLK_SPACE,  INTF_KEY_TOGGLE_INTERFACE, 0);
 215     intf_AssignKey(p_intf, SDLK_i,      INTF_KEY_TOGGLE_INFO, 0);
 216     intf_AssignKey(p_intf, SDLK_s,      INTF_KEY_TOGGLE_SCALING, 0);
 217     intf_AssignKey(p_intf, SDLK_d,      INTF_KEY_DUMP_STREAM, 0); }
 218
 219     return( 0 );
 220 }
 221
 222 /*****************************************************************************
 223  * vout_Init: initialize SDL video thread output method
 224  *****************************************************************************
 225  * This function initialize the SDL display device.
 226  *****************************************************************************/
 227 static int vout_Init( vout_thread_t *p_vout )
 228 {
 229     /* This hack is hugly, but hey, you are, too. */
 230
 231     SDL_Overlay *   p_overlay;
 232
 233     p_overlay = SDL_CreateYUVOverlay(
 234            main_GetIntVariable( VOUT_WIDTH_VAR,VOUT_WIDTH_DEFAULT ),
 235            main_GetIntVariable( VOUT_HEIGHT_VAR,VOUT_HEIGHT_DEFAULT ),
 236                                       SDL_YV12_OVERLAY,
 237                                       p_vout->p_sys->p_display );
 238     intf_Msg( "vout: YUV acceleration %s",
 239               p_overlay->hw_overlay ? "activated" : "unavailable !" );
 240     p_vout->b_need_render = !p_overlay->hw_overlay;
 241
 242     SDL_FreeYUVOverlay( p_overlay );
 243
 244     return( 0 );
 245 }
 246
 247 /*****************************************************************************
 248  * vout_End: terminate Sys video thread output method
 249  *****************************************************************************
 250  * Terminate an output method created by vout_SDLCreate
 251  *****************************************************************************/
 252 static void vout_End( vout_thread_t *p_vout )
 253 {
 254     SDLCloseDisplay( p_vout );
 255     SDL_Quit();
 256 }
 257
 258 /*****************************************************************************
 259  * vout_Destroy: destroy Sys video thread output method
 260  *****************************************************************************
 261  * Terminate an output method created by vout_SDLCreate
 262  *****************************************************************************/
 263 static void vout_Destroy( vout_thread_t *p_vout )
 264 {
 265     free( p_vout->p_sys );
 266 }
 267
 268 /*****************************************************************************
 269  * vout_Manage: handle Sys events
 270  *****************************************************************************
 271  * This function should be called regularly by video output thread. It returns
 272  * a non null value if an error occured.
 273  *****************************************************************************/
 274 static int vout_Manage( vout_thread_t *p_vout )
 275 {
 276     SDL_Event event;                                            /* SDL event */
 277     Uint8     i_key;
 278
 279     /* Process events */
 280     while( SDL_PollEvent(&event) )
 281     {
 282         switch( event.type )
 283         {
 284         case SDL_VIDEORESIZE:                          /* Resizing of window */
 285             p_vout->i_width = event.resize.w;
 286             p_vout->i_height = event.resize.h;
 287             p_vout->i_changes |= VOUT_SIZE_CHANGE;
 288             break;
 289
 290         case SDL_MOUSEMOTION:
 291             if( p_vout->p_sys->b_cursor &&
 292                 (abs(event.motion.xrel) > 2 || abs(event.motion.yrel) > 2) )
 293             {
 294                 if( p_vout->p_sys->b_cursor_autohidden )
 295                 {
 296                     p_vout->p_sys->b_cursor_autohidden = 0;
 297                     SDL_ShowCursor( 1 );
 298                 }
 299                 else
 300                 {
 301                     p_vout->p_sys->i_lastmoved = mdate();
 302                 }
 303             }
 304             break;
 305
 306         case SDL_MOUSEBUTTONUP:
 307             switch( event.button.button )
 308             {
 309             case SDL_BUTTON_RIGHT:
 310                 p_main->p_intf->b_menu_change = 1;
 311                 break;
 312             }
 313             break;
 314
 315         case SDL_MOUSEBUTTONDOWN:
 316             switch( event.button.button )
 317             {
 318             case SDL_BUTTON_MIDDLE:
 319                 p_vout->i_changes |= VOUT_CURSOR_CHANGE;
 320                 break;
 321             }
 322             break;
 323
 324         case SDL_QUIT:
 325             intf_ProcessKey( p_main->p_intf, SDLK_q );
 326             break;
 327
 328         case SDL_KEYDOWN:                             /* if a key is pressed */
 329             i_key = event.key.keysym.sym;
 330
 331             switch( i_key )
 332             {
 333             case SDLK_f:                             /* switch to fullscreen */
 334                 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 335                 break;
 336
 337             case SDLK_y:                               /* switch to hard YUV */
 338                 p_vout->i_changes |= VOUT_YUV_CHANGE;
 339                 break;
 340
 341             case SDLK_c:                                 /* toggle grayscale */
 342                 p_vout->b_grayscale = ! p_vout->b_grayscale;
 343                 p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
 344                 break;
 345
 346             case SDLK_i:                                      /* toggle info */
 347                 p_vout->b_info = ! p_vout->b_info;
 348                 p_vout->i_changes |= VOUT_INFO_CHANGE;
 349                 break;
 350
 351             case SDLK_s:                                   /* toggle scaling */
 352                 p_vout->b_scale = ! p_vout->b_scale;
 353                 p_vout->i_changes |= VOUT_SCALE_CHANGE;
 354                 break;
 355
 356             case SDLK_SPACE:                             /* toggle interface */
 357                 p_vout->b_interface = ! p_vout->b_interface;
 358                 p_vout->i_changes |= VOUT_INTF_CHANGE;
 359                 break;
 360
 361             default:
 362                 if( intf_ProcessKey( p_main->p_intf, (char )i_key ) )
 363                 {
 364                    intf_DbgMsg( "unhandled key '%c' (%i)", (char)i_key, i_key );                }
 365                 break;
 366             }
 367             break;
 368
 369         default:
 370             break;
 371         }
 372     }
 373
 374     /*
 375      * Size Change
 376      */
 377     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 378     {
 379         p_vout->p_sys->i_width = p_vout->i_width;
 380         p_vout->p_sys->i_height = p_vout->i_height;
 381
 382         /* Need to reopen display */
 383         SDLCloseDisplay( p_vout );
 384         if( SDLOpenDisplay( p_vout ) )
 385         {
 386           intf_ErrMsg( "vout error: can't reopen display after resize" );
 387           return( 1 );
 388         }
 389         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 390     }
 391
 392     /*
 393      * YUV Change
 394      */
 395     if( p_vout->i_changes & VOUT_YUV_CHANGE )
 396     {
 397         p_vout->b_need_render = ! p_vout->b_need_render;
 398
 399         /* Need to reopen display */
 400         SDLCloseDisplay( p_vout );
 401         if( SDLOpenDisplay( p_vout ) )
 402         {
 403           intf_ErrMsg( "error: can't reopen display after YUV change" );
 404           return( 1 );
 405         }
 406         p_vout->i_changes &= ~VOUT_YUV_CHANGE;
 407     }
 408
 409     /*
 410      * Fullscreen change
 411      */
 412     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 413     {
 414         p_vout->p_sys->b_fullscreen = ! p_vout->p_sys->b_fullscreen;
 415
 416         SDL_WM_ToggleFullScreen(p_vout->p_sys->p_display);
 417
 418         p_vout->p_sys->b_cursor_autohidden = 0;
 419         SDL_ShowCursor( p_vout->p_sys->b_cursor &&
 420                         ! p_vout->p_sys->b_cursor_autohidden );
 421
 422         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 423     }
 424
 425     /*
 426      * Pointer change
 427      */
 428     if( ! p_vout->p_sys->b_cursor_autohidden &&
 429         ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) )
 430     {
 431         /* Hide the mouse automatically */
 432         p_vout->p_sys->b_cursor_autohidden = 1;
 433         SDL_ShowCursor( 0 );
 434     }
 435
 436     if( p_vout->i_changes & VOUT_CURSOR_CHANGE )
 437     {
 438         p_vout->p_sys->b_cursor = ! p_vout->p_sys->b_cursor;
 439
 440         SDL_ShowCursor( p_vout->p_sys->b_cursor &&
 441                         ! p_vout->p_sys->b_cursor_autohidden );
 442
 443         p_vout->i_changes &= ~VOUT_CURSOR_CHANGE;
 444     }
 445
 446     return( 0 );
 447 }
 448
 449 /*****************************************************************************
 450  * vout_SetPalette: sets an 8 bpp palette
 451  *****************************************************************************
 452  * This function sets the palette given as an argument. It does not return
 453  * anything, but could later send information on which colors it was unable
 454  * to set.
 455  *****************************************************************************/
 456 static void vout_SetPalette( p_vout_thread_t p_vout, u16 *red, u16 *green,
 457                          u16 *blue, u16 *transp)
 458 {
 459      /* Create a display surface with a grayscale palette */
 460     SDL_Color colors[256];
 461     int i;
 462
 463     /* Fill colors with color information */
 464     for( i = 0; i < 256; i++ )
 465     {
 466         colors[ i ].r = red[ i ] >> 8;
 467         colors[ i ].g = green[ i ] >> 8;
 468         colors[ i ].b = blue[ i ] >> 8;
 469     }
 470
 471     /* Set palette */
 472     if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
 473     {
 474         intf_ErrMsg( "vout error: failed setting palette" );
 475     }
 476
 477 }
 478
 479 /*****************************************************************************
 480  * vout_Display: displays previously rendered output
 481  *****************************************************************************
 482  * This function send the currently rendered image to the display, wait until
 483  * it is displayed and switch the two rendering buffer, preparing next frame.
 484  *****************************************************************************/
 485 static void vout_Display( vout_thread_t *p_vout )
 486 {
 487     SDL_Rect    disp;
 488     if((p_vout->p_sys->p_display != NULL) && !p_vout->p_sys->b_reopen_display)
 489     {
 490         if( p_vout->b_need_render )
 491         {
 492             /* Change display frame */
 493             SDL_Flip( p_vout->p_sys->p_display );
 494         }
 495         else
 496         {
 497             /*
 498              * p_vout->p_rendered_pic->p_y/u/v contains the YUV buffers to
 499              * render
 500              */
 501             /* TODO: support for streams other than 4:2:0 */
 502             /* create the overlay if necessary */
 503             if( p_vout->p_sys->p_overlay == NULL )
 504             {
 505                 p_vout->p_sys->p_overlay = SDL_CreateYUVOverlay(
 506                                              p_vout->p_rendered_pic->i_width,
 507                                              p_vout->p_rendered_pic->i_height,
 508                                              SDL_YV12_OVERLAY,
 509                                              p_vout->p_sys->p_display
 510                                            );
 511                 intf_Msg("vout: YUV acceleration %s",
 512                             p_vout->p_sys->p_overlay->hw_overlay
 513                             ? "activated" : "unavailable !" );
 514             }
 515
 516             SDL_LockYUVOverlay(p_vout->p_sys->p_overlay);
 517             /* copy the data into video buffers */
 518             /* Y first */
 519             memcpy(p_vout->p_sys->p_overlay->pixels[0],
 520                    p_vout->p_rendered_pic->p_y,
 521                    p_vout->p_sys->p_overlay->h *
 522                    p_vout->p_sys->p_overlay->pitches[0]);
 523             /* then V */
 524             memcpy(p_vout->p_sys->p_overlay->pixels[1],
 525                    p_vout->p_rendered_pic->p_v,
 526                    p_vout->p_sys->p_overlay->h *
 527                    p_vout->p_sys->p_overlay->pitches[1] / 2);
 528             /* and U */
 529             memcpy(p_vout->p_sys->p_overlay->pixels[2],
 530                    p_vout->p_rendered_pic->p_u,
 531                    p_vout->p_sys->p_overlay->h *
 532                    p_vout->p_sys->p_overlay->pitches[2] / 2);
 533
 534             disp.w = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_width;
 535             disp.h = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_height;
 536             disp.x = (p_vout->i_width - disp.w)/2;
 537             disp.y = (p_vout->i_height - disp.h)/2;
 538
 539             SDL_DisplayYUVOverlay( p_vout->p_sys->p_overlay , &disp );
 540             SDL_UnlockYUVOverlay(p_vout->p_sys->p_overlay);
 541         }
 542     }
 543 }
 544
 545 /* following functions are local */
 546
 547 /*****************************************************************************
 548  * SDLOpenDisplay: open and initialize SDL device
 549  *****************************************************************************
 550  * Open and initialize display according to preferences specified in the vout
 551  * thread fields.
 552  *****************************************************************************/
 553 static int SDLOpenDisplay( vout_thread_t *p_vout )
 554 {
 555     SDL_Rect    clipping_rect;
 556     Uint32      flags;
 557     int bpp;
 558     /* Open display
 559      * TODO: Check that we can request for a DOUBLEBUF HWSURFACE display
 560      */
 561
 562     /* init flags and cursor */
 563     flags = SDL_ANYFORMAT | SDL_HWPALETTE;
 564
 565     if( p_vout->p_sys->b_fullscreen )
 566     {
 567         flags |= SDL_FULLSCREEN;
 568     }
 569     else
 570     {
 571         flags |= SDL_RESIZABLE;
 572     }
 573
 574     if( p_vout->b_need_render )
 575     {
 576         flags |= SDL_HWSURFACE | SDL_DOUBLEBUF;
 577     }
 578     else
 579     {
 580         flags |= SDL_SWSURFACE; /* save video memory */
 581     }
 582
 583     bpp = SDL_VideoModeOK( p_vout->p_sys->i_width,
 584                            p_vout->p_sys->i_height,
 585                            p_vout->i_screen_depth, flags );
 586
 587     if( bpp == 0 )
 588     {
 589         intf_ErrMsg( "vout error: no video mode available" );
 590         return( 1 );
 591     }
 592
 593     p_vout->p_sys->p_display = SDL_SetVideoMode(p_vout->p_sys->i_width,
 594                                                 p_vout->p_sys->i_height,
 595                                                 bpp, flags);
 596
 597     if( p_vout->p_sys->p_display == NULL )
 598     {
 599         intf_ErrMsg( "vout error: cannot set video mode" );
 600         return( 1 );
 601     }
 602
 603     SDL_LockSurface( p_vout->p_sys->p_display );
 604
 605     SDL_WM_SetCaption( VOUT_TITLE " (SDL output)",
 606                        VOUT_TITLE " (SDL output)" );
 607     SDL_EventState(SDL_KEYUP , SDL_IGNORE);                /* ignore keys up */
 608
 609     if( p_vout->b_need_render )
 610     {
 611         p_vout->p_sys->p_sdl_buf[ 0 ] = p_vout->p_sys->p_display->pixels;
 612         SDL_Flip(p_vout->p_sys->p_display);
 613         p_vout->p_sys->p_sdl_buf[ 1 ] = p_vout->p_sys->p_display->pixels;
 614         SDL_Flip(p_vout->p_sys->p_display);
 615
 616         /* Set clipping for text */
 617         clipping_rect.x = 0;
 618         clipping_rect.y = 0;
 619         clipping_rect.w = p_vout->p_sys->p_display->w;
 620         clipping_rect.h = p_vout->p_sys->p_display->h;
 621         SDL_SetClipRect(p_vout->p_sys->p_display, &clipping_rect);
 622
 623         /* Set thread information */
 624         p_vout->i_width =           p_vout->p_sys->p_display->w;
 625         p_vout->i_height =          p_vout->p_sys->p_display->h;
 626         p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
 627
 628         p_vout->i_screen_depth =
 629             p_vout->p_sys->p_display->format->BitsPerPixel;
 630         p_vout->i_bytes_per_pixel =
 631             p_vout->p_sys->p_display->format->BytesPerPixel;
 632
 633         p_vout->i_red_mask =        p_vout->p_sys->p_display->format->Rmask;
 634         p_vout->i_green_mask =      p_vout->p_sys->p_display->format->Gmask;
 635         p_vout->i_blue_mask =       p_vout->p_sys->p_display->format->Bmask;
 636
 637         /* FIXME: palette in 8bpp ?? */
 638         /* Set and initialize buffers */
 639         vout_SetBuffers( p_vout, p_vout->p_sys->p_sdl_buf[ 0 ],
 640                                  p_vout->p_sys->p_sdl_buf[ 1 ] );
 641     }
 642     else
 643     {
 644         p_vout->p_sys->p_sdl_buf[ 0 ] = p_vout->p_sys->p_display->pixels;
 645         p_vout->p_sys->p_sdl_buf[ 1 ] = p_vout->p_sys->p_display->pixels;
 646
 647         /* Set thread information */
 648         p_vout->i_width =           p_vout->p_sys->p_display->w;
 649         p_vout->i_height =          p_vout->p_sys->p_display->h;
 650         p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
 651
 652         vout_SetBuffers( p_vout, p_vout->p_sys->p_sdl_buf[ 0 ],
 653                                  p_vout->p_sys->p_sdl_buf[ 1 ] );
 654     }
 655
 656     p_vout->p_sys->b_reopen_display = 0;
 657
 658     return( 0 );
 659 }
 660
 661 /*****************************************************************************
 662  * SDLCloseDisplay: close and reset SDL device
 663  *****************************************************************************
 664  * This function returns all resources allocated by SDLOpenDisplay and restore
 665  * the original state of the device.
 666  *****************************************************************************/
 667 static void SDLCloseDisplay( vout_thread_t *p_vout )
 668 {
 669     if( p_vout->p_sys->p_display != NULL )
 670     {
 671         if( p_vout->p_sys->p_overlay != NULL )
 672         {
 673             SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
 674             p_vout->p_sys->p_overlay = NULL;
 675         }
 676
 677         SDL_UnlockSurface ( p_vout->p_sys->p_display );
 678         SDL_FreeSurface( p_vout->p_sys->p_display );
 679         p_vout->p_sys->p_display = NULL;
 680     }
 681 }
 682