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:
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  21  *****************************************************************************/
  22
  23 /*****************************************************************************
  24  * Preamble
  25  *****************************************************************************/
  26 #include "defs.h"
  27
  28 #include <errno.h>                                                 /* ENOMEM */
  29 #include <stdlib.h>                                                /* free() */
  30 #include <string.h>                                            /* strerror() */
  31
  32 #include <SDL/SDL.h>
  33
  34 #include "config.h"
  35 #include "common.h"
  36 #include "threads.h"
  37 #include "mtime.h"
  38 #include "tests.h"
  39 #include "modules.h"
  40
  41 /* FIXME: it's up to the _interface_ to do this, not the video output */
  42 #include "stream_control.h"
  43 #include "input_ext-intf.h"
  44
  45 #include "video.h"
  46 #include "video_output.h"
  47
  48 #include "intf_msg.h"
  49 #include "interface.h"
  50 /* FIXME: get rid of this */
  51 #include "keystrokes.h"
  52 #include "main.h"
  53
  54 /*****************************************************************************
  55  * FIXME: this file is ...                                                   *
  56  *                                                                           *
  57  *              XXX   XXX     FIXME     XXX     XXX   XXX   XXX              *
  58  *              XXX   XXX   XXX   XXX   XXX     XXX   XXX   XXX              *
  59  *              XXX   XXX   XXX         XXX       FIXME     XXX              *
  60  *              XXX   XXX   XXX  TODO   XXX        XXX      XXX              *
  61  *              XXX   XXX   XXX   XXX   XXX        XXX                       *
  62  *                FIXME       FIXME       FIXME    XXX      XXX              *
  63  *                                                                           *
  64  *****************************************************************************/
  65
  66 /*****************************************************************************
  67  * vout_sys_t: video output SDL method descriptor
  68  *****************************************************************************
  69  * This structure is part of the video output thread descriptor.
  70  * It describes the SDL specific properties of an output thread.
  71  *****************************************************************************/
  72 typedef struct vout_sys_s
  73 {
  74     int i_width;
  75     int i_height;
  76     SDL_Surface *   p_display;                             /* display device */
  77     SDL_Overlay *   p_overlay;                             /* overlay device */
  78     boolean_t   b_fullscreen;
  79     boolean_t   b_overlay;
  80     boolean_t   b_cursor;
  81     boolean_t   b_reopen_display;
  82     Uint8   *   p_sdl_buf[2];                           /* Buffer information */
  83 }   vout_sys_t;
  84
  85 /*****************************************************************************
  86  * Local prototypes.
  87  *****************************************************************************/
  88 static int  vout_Probe     ( probedata_t *p_data );
  89 static int  vout_Create    ( struct vout_thread_s * );
  90 static int  vout_Init      ( struct vout_thread_s * );
  91 static void vout_End       ( struct vout_thread_s * );
  92 static void vout_Destroy   ( struct vout_thread_s * );
  93 static int  vout_Manage    ( struct vout_thread_s * );
  94 static void vout_Display   ( struct vout_thread_s * );
  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 = NULL;
 113 }
 114
 115 /*****************************************************************************
 116  * intf_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( 40 );
 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 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     /* p_intf->p_intf_getKey = intf_getKey; */
 186     intf_AssignKey(p_intf, SDLK_q,      INTF_KEY_QUIT, 0);
 187     intf_AssignKey(p_intf, SDLK_ESCAPE, INTF_KEY_QUIT, 0);
 188     /* intf_AssignKey(p_intf,3,'Q'); */
 189     intf_AssignKey(p_intf, SDLK_0,      INTF_KEY_SET_CHANNEL,0);
 190     intf_AssignKey(p_intf, SDLK_1,      INTF_KEY_SET_CHANNEL,1);
 191     intf_AssignKey(p_intf, SDLK_2,      INTF_KEY_SET_CHANNEL,2);
 192     intf_AssignKey(p_intf, SDLK_3,      INTF_KEY_SET_CHANNEL,3);
 193     intf_AssignKey(p_intf, SDLK_4,      INTF_KEY_SET_CHANNEL,4);
 194     intf_AssignKey(p_intf, SDLK_5,      INTF_KEY_SET_CHANNEL,5);
 195     intf_AssignKey(p_intf, SDLK_6,      INTF_KEY_SET_CHANNEL,6);
 196     intf_AssignKey(p_intf, SDLK_7,      INTF_KEY_SET_CHANNEL,7);
 197     intf_AssignKey(p_intf, SDLK_8,      INTF_KEY_SET_CHANNEL,8);
 198     intf_AssignKey(p_intf, SDLK_9,      INTF_KEY_SET_CHANNEL,9);
 199     intf_AssignKey(p_intf, SDLK_PLUS,   INTF_KEY_INC_VOLUME, 0);
 200     intf_AssignKey(p_intf, SDLK_MINUS,  INTF_KEY_DEC_VOLUME, 0);
 201     intf_AssignKey(p_intf, SDLK_m,      INTF_KEY_TOGGLE_VOLUME, 0);
 202     /* intf_AssignKey(p_intf,'M','M'); */
 203     intf_AssignKey(p_intf, SDLK_g,      INTF_KEY_DEC_GAMMA, 0);
 204     /* intf_AssignKey(p_intf,'G','G'); */
 205     intf_AssignKey(p_intf, SDLK_c,      INTF_KEY_TOGGLE_GRAYSCALE, 0);
 206     intf_AssignKey(p_intf, SDLK_SPACE,  INTF_KEY_TOGGLE_INTERFACE, 0);
 207     intf_AssignKey(p_intf, SDLK_i,      INTF_KEY_TOGGLE_INFO, 0);
 208     intf_AssignKey(p_intf, SDLK_s,      INTF_KEY_TOGGLE_SCALING, 0); }
 209
 210     return( 0 );
 211 }
 212
 213 /*****************************************************************************
 214  * vout_Init: initialize SDL video thread output method
 215  *****************************************************************************
 216  * This function initialize the SDL display device.
 217  *****************************************************************************/
 218 int vout_Init( vout_thread_t *p_vout )
 219 {
 220     return( 0 );
 221 }
 222
 223 /*****************************************************************************
 224  * vout_End: terminate Sys video thread output method
 225  *****************************************************************************
 226  * Terminate an output method created by vout_SDLCreate
 227  *****************************************************************************/
 228 void vout_End( vout_thread_t *p_vout )
 229 {
 230     SDLCloseDisplay( p_vout );
 231     SDL_Quit();
 232 }
 233
 234 /*****************************************************************************
 235  * vout_Destroy: destroy Sys video thread output method
 236  *****************************************************************************
 237  * Terminate an output method created by vout_SDLCreate
 238  *****************************************************************************/
 239 void vout_Destroy( vout_thread_t *p_vout )
 240 {
 241     free( p_vout->p_sys );
 242 }
 243
 244 /*****************************************************************************
 245  * vout_Manage: handle Sys events
 246  *****************************************************************************
 247  * This function should be called regularly by video output thread. It returns
 248  * a non null value if an error occured.
 249  *****************************************************************************/
 250 int vout_Manage( vout_thread_t *p_vout )
 251 {
 252     SDL_Event event;                                            /* SDL event */
 253     Uint8   i_key;
 254
 255     /* FIXME: do this nicely */
 256     input_thread_t * p_input = p_main->p_intf->p_input;
 257
 258     /* Process events */
 259     while( SDL_PollEvent(&event) )
 260     {
 261         switch( event.type )
 262         {
 263         case SDL_VIDEORESIZE:                          /* Resizing of window */
 264             p_vout->i_width = event.resize.w;
 265             p_vout->i_height = event.resize.h;
 266             p_vout->i_changes |= VOUT_SIZE_CHANGE;
 267             break;
 268
 269         case SDL_MOUSEBUTTONDOWN:
 270             switch( event.button.button )
 271             {
 272             case SDL_BUTTON_MIDDLE:
 273                 p_vout->i_changes |= VOUT_CURSOR_CHANGE;
 274                 break;
 275
 276             case SDL_BUTTON_RIGHT:
 277                 p_main->p_intf->b_menu_change = 1;
 278                 break;
 279             }
 280             break;
 281
 282         case SDL_QUIT:
 283             intf_ProcessKey( p_main->p_intf, SDLK_q );
 284             break;
 285
 286         case SDL_KEYDOWN:                             /* if a key is pressed */
 287             i_key = event.key.keysym.sym;
 288
 289             switch( i_key )
 290             {
 291             case SDLK_f:                             /* switch to fullscreen */
 292                 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 293                 break;
 294
 295             case SDLK_y:                               /* switch to hard YUV */
 296                 p_vout->i_changes |= VOUT_YUV_CHANGE;
 297                 break;
 298
 299             case SDLK_c:                                 /* toggle grayscale */
 300                 p_vout->b_grayscale = ! p_vout->b_grayscale;
 301                 p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
 302                 break;
 303
 304             case SDLK_i:                                      /* toggle info */
 305                 p_vout->b_info = ! p_vout->b_info;
 306                 p_vout->i_changes |= VOUT_INFO_CHANGE;
 307                 break;
 308
 309             case SDLK_s:                                   /* toggle scaling */
 310                 p_vout->b_scale = ! p_vout->b_scale;
 311                 p_vout->i_changes |= VOUT_SCALE_CHANGE;
 312                 break;
 313
 314             case SDLK_SPACE:                             /* toggle interface */
 315                 p_vout->b_interface = ! p_vout->b_interface;
 316                 p_vout->i_changes |= VOUT_INTF_CHANGE;
 317                 break;
 318
 319             /* FIXME : this is temporary */
 320             case SDLK_p:
 321                 if( p_input != NULL )
 322                 {
 323                     input_SetRate( p_input, INPUT_RATE_PAUSE );
 324                 }
 325                 break;
 326
 327             case SDLK_a:
 328                 if( p_input != NULL )
 329                 {
 330                     input_SetRate( p_input, INPUT_RATE_FASTER );
 331                 }
 332                 break;
 333
 334             case SDLK_z:
 335                 if( p_input != NULL )
 336                 {
 337                     input_SetRate( p_input, INPUT_RATE_SLOWER );
 338                 }
 339                 break;
 340
 341             case SDLK_j:
 342                 if( p_input != NULL )
 343                 {
 344                     /* Jump forwards */
 345                     input_Seek( p_input, p_input->stream.i_tell
 346                                  + p_input->stream.i_size / 20 );
 347                                                                /* gabuzomeu */
 348                 }
 349                 break;
 350
 351             case SDLK_b:
 352                 if( p_input != NULL )
 353                 {
 354                     /* Jump backwards */
 355                     input_Seek( p_input, p_input->stream.i_tell
 356                                  - p_input->stream.i_size / 20 );
 357                 }
 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( "error: can't open DISPLAY default display" );
 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 open DISPLAY default display" );
 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         if( p_vout->p_sys->b_fullscreen )
 416         {
 417             p_vout->p_sys->b_fullscreen = 0;
 418             p_vout->p_sys->b_cursor = 1;
 419             SDL_ShowCursor( 1 );
 420         }
 421         else
 422         {
 423             p_vout->p_sys->b_fullscreen = 1;
 424             p_vout->p_sys->b_cursor = 0;
 425             SDL_ShowCursor( 0 );
 426         }
 427
 428         SDL_WM_ToggleFullScreen(p_vout->p_sys->p_display);
 429
 430         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 431     }
 432
 433     /*
 434      * Pointer change
 435      */
 436     if( p_vout->i_changes & VOUT_CURSOR_CHANGE )
 437     {
 438         if( p_vout->p_sys->b_cursor )
 439         {
 440             SDL_ShowCursor( 0 );
 441             p_vout->p_sys->b_cursor = 0;
 442         }
 443         else
 444         {
 445             SDL_ShowCursor( 1 );
 446             p_vout->p_sys->b_cursor = 1;
 447         }
 448         p_vout->i_changes &= ~VOUT_CURSOR_CHANGE;
 449     }
 450
 451     return( 0 );
 452 }
 453
 454 /*****************************************************************************
 455  * vout_SetPalette: sets an 8 bpp palette
 456  *****************************************************************************
 457  * This function sets the palette given as an argument. It does not return
 458  * anything, but could later send information on which colors it was unable
 459  * to set.
 460  *****************************************************************************/
 461 void vout_SetPalette( p_vout_thread_t p_vout, u16 *red, u16 *green,
 462                          u16 *blue, u16 *transp)
 463 {
 464      /* Create a display surface with a grayscale palette */
 465     SDL_Color colors[256];
 466     int i;
 467
 468     /* Fill colors with color information */
 469     for( i = 0; i < 256; i++ )
 470     {
 471         colors[ i ].r = red[ i ] >> 8;
 472         colors[ i ].g = green[ i ] >> 8;
 473         colors[ i ].b = blue[ i ] >> 8;
 474     }
 475
 476     /* Set palette */
 477     if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
 478     {
 479         intf_ErrMsg( "vout error: failed setting palette" );
 480     }
 481
 482 }
 483
 484 /*****************************************************************************
 485  * vout_Display: displays previously rendered output
 486  *****************************************************************************
 487  * This function send the currently rendered image to the display, wait until
 488  * it is displayed and switch the two rendering buffer, preparing next frame.
 489  *****************************************************************************/
 490 void vout_Display( vout_thread_t *p_vout )
 491 {
 492     SDL_Rect    disp;
 493     if((p_vout->p_sys->p_display != NULL) && !p_vout->p_sys->b_reopen_display)
 494     {
 495         if( p_vout->b_need_render )
 496         {
 497             /* Change display frame */
 498             SDL_Flip( p_vout->p_sys->p_display );
 499         }
 500         else
 501         {
 502
 503             /*
 504              * p_vout->p_rendered_pic->p_y/u/v contains the YUV buffers to
 505              * render
 506              */
 507             /* TODO: support for streams other than 4:2:0 */
 508             /* create the overlay if necessary */
 509             if( p_vout->p_sys->p_overlay == NULL )
 510             {
 511                 p_vout->p_sys->p_overlay = SDL_CreateYUVOverlay(
 512                                              p_vout->p_rendered_pic->i_width,
 513                                              p_vout->p_rendered_pic->i_height,
 514                                              SDL_YV12_OVERLAY,
 515                                              p_vout->p_sys->p_display
 516                                            );
 517                 intf_Msg("vout: YUV acceleration %s",
 518                             p_vout->p_sys->p_overlay->hw_overlay
 519                             ? "activated" : "unavailable !" );
 520             }
 521
 522             SDL_LockYUVOverlay(p_vout->p_sys->p_overlay);
 523             /* copy the data into video buffers */
 524             /* Y first */
 525             memcpy(p_vout->p_sys->p_overlay->pixels[0],
 526                    p_vout->p_rendered_pic->p_y,
 527                    p_vout->p_sys->p_overlay->h *
 528                    p_vout->p_sys->p_overlay->pitches[0]);
 529             /* then V */
 530             memcpy(p_vout->p_sys->p_overlay->pixels[1],
 531                    p_vout->p_rendered_pic->p_v,
 532                    p_vout->p_sys->p_overlay->h *
 533                    p_vout->p_sys->p_overlay->pitches[1] / 2);
 534             /* and U */
 535             memcpy(p_vout->p_sys->p_overlay->pixels[2],
 536                    p_vout->p_rendered_pic->p_u,
 537                    p_vout->p_sys->p_overlay->h *
 538                    p_vout->p_sys->p_overlay->pitches[2] / 2);
 539
 540             disp.w = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_width;
 541             disp.h = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_height;
 542             disp.x = (p_vout->i_width - disp.w)/2;
 543             disp.y = (p_vout->i_height - disp.h)/2;
 544
 545             SDL_DisplayYUVOverlay( p_vout->p_sys->p_overlay , &disp );
 546             SDL_UnlockYUVOverlay(p_vout->p_sys->p_overlay);
 547         }
 548     }
 549 }
 550
 551 /* following functions are local */
 552
 553 /*****************************************************************************
 554  * SDLOpenDisplay: open and initialize SDL device
 555  *****************************************************************************
 556  * Open and initialize display according to preferences specified in the vout
 557  * thread fields.
 558  *****************************************************************************/
 559 static int SDLOpenDisplay( vout_thread_t *p_vout )
 560 {
 561     SDL_Rect    clipping_rect;
 562     Uint32      flags;
 563     int bpp;
 564     /* Open display
 565      * TODO: Check that we can request for a DOUBLEBUF HWSURFACE display
 566      */
 567
 568     /* init flags and cursor */
 569     flags = SDL_ANYFORMAT | SDL_HWPALETTE;
 570
 571     if( p_vout->p_sys->b_fullscreen )
 572         flags |= SDL_FULLSCREEN;
 573     else
 574         flags |= SDL_RESIZABLE;
 575
 576     if( p_vout->b_need_render )
 577         flags |= SDL_HWSURFACE | SDL_DOUBLEBUF;
 578     else
 579         flags |= SDL_SWSURFACE; /* save video memory */
 580
 581     bpp = SDL_VideoModeOK(p_vout->p_sys->i_width,
 582                           p_vout->p_sys->i_height,
 583                           p_vout->i_screen_depth, flags);
 584
 585     if(bpp == 0)
 586     {
 587         intf_ErrMsg( "error: can't open DISPLAY default display" );
 588         return( 1 );
 589     }
 590
 591     p_vout->p_sys->p_display = SDL_SetVideoMode(p_vout->p_sys->i_width,
 592                                                 p_vout->p_sys->i_height,
 593                                                 bpp, flags);
 594
 595     if( p_vout->p_sys->p_display == NULL )
 596     {
 597         intf_ErrMsg( "error: can't open DISPLAY default display" );
 598         return( 1 );
 599     }
 600
 601     SDL_LockSurface(p_vout->p_sys->p_display);
 602
 603     if( p_vout->p_sys->b_fullscreen )
 604         SDL_ShowCursor( 0 );
 605     else
 606         SDL_ShowCursor( 1 );
 607
 608     SDL_WM_SetCaption( VOUT_TITLE , VOUT_TITLE );
 609     SDL_EventState(SDL_KEYUP , SDL_IGNORE);                /* ignore keys up */
 610     SDL_EventState(SDL_MOUSEBUTTONUP, SDL_IGNORE);
 611
 612     if( p_vout->b_need_render )
 613     {
 614         p_vout->p_sys->p_sdl_buf[ 0 ] = p_vout->p_sys->p_display->pixels;
 615         SDL_Flip(p_vout->p_sys->p_display);
 616         p_vout->p_sys->p_sdl_buf[ 1 ] = p_vout->p_sys->p_display->pixels;
 617         SDL_Flip(p_vout->p_sys->p_display);
 618
 619         /* Set clipping for text */
 620         clipping_rect.x = 0;
 621         clipping_rect.y = 0;
 622         clipping_rect.w = p_vout->p_sys->p_display->w;
 623         clipping_rect.h = p_vout->p_sys->p_display->h;
 624         SDL_SetClipRect(p_vout->p_sys->p_display, &clipping_rect);
 625
 626         /* Set thread information */
 627         p_vout->i_width =           p_vout->p_sys->p_display->w;
 628         p_vout->i_height =          p_vout->p_sys->p_display->h;
 629         p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
 630
 631         p_vout->i_screen_depth =
 632             p_vout->p_sys->p_display->format->BitsPerPixel;
 633         p_vout->i_bytes_per_pixel =
 634             p_vout->p_sys->p_display->format->BytesPerPixel;
 635
 636         p_vout->i_red_mask =        p_vout->p_sys->p_display->format->Rmask;
 637         p_vout->i_green_mask =      p_vout->p_sys->p_display->format->Gmask;
 638         p_vout->i_blue_mask =       p_vout->p_sys->p_display->format->Bmask;
 639
 640         /* FIXME: palette in 8bpp ?? */
 641         /* Set and initialize buffers */
 642         vout_SetBuffers( p_vout, p_vout->p_sys->p_sdl_buf[ 0 ],
 643                                  p_vout->p_sys->p_sdl_buf[ 1 ] );
 644     }
 645     else
 646     {
 647         p_vout->p_sys->p_sdl_buf[ 0 ] = p_vout->p_sys->p_display->pixels;
 648         p_vout->p_sys->p_sdl_buf[ 1 ] = p_vout->p_sys->p_display->pixels;
 649
 650         /* Set thread information */
 651         p_vout->i_width =           p_vout->p_sys->p_display->w;
 652         p_vout->i_height =          p_vout->p_sys->p_display->h;
 653         p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
 654
 655         vout_SetBuffers( p_vout, p_vout->p_sys->p_sdl_buf[ 0 ],
 656                                  p_vout->p_sys->p_sdl_buf[ 1 ] );
 657     }
 658
 659     p_vout->p_sys->b_reopen_display = 0;
 660
 661     return( 0 );
 662 }
 663
 664 /*****************************************************************************
 665  * SDLCloseDisplay: close and reset SDL device
 666  *****************************************************************************
 667  * This function returns all resources allocated by SDLOpenDisplay and restore
 668  * the original state of the device.
 669  *****************************************************************************/
 670 static void SDLCloseDisplay( vout_thread_t *p_vout )
 671 {
 672     if( p_vout->p_sys->p_display != NULL )
 673     {
 674         if( p_vout->p_sys->p_overlay != NULL )
 675         {
 676             SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
 677             p_vout->p_sys->p_overlay = NULL;
 678         }
 679
 680         SDL_UnlockSurface ( p_vout->p_sys->p_display );
 681         SDL_FreeSurface( p_vout->p_sys->p_display );
 682         p_vout->p_sys->p_display = NULL;
 683     }
 684 }
 685