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