1 /*****************************************************************************
2 * sdl.c: SDL video output display method
3 *****************************************************************************
4 * Copyright (C) 1998-2001 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@zoy.org>
8 * Pierre Baillet <oct@zoy.org>
9 * Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
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.
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.
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
29 #include <errno.h> /* ENOMEM */
32 #include <vlc_interface.h>
33 #include <vlc_playlist.h>
36 //#include <vlc_aout.h>
38 #include <sys/types.h>
40 # include <netinet/in.h> /* BSD: struct in_addr */
43 #include SDL_INCLUDE_FILE
45 /* SDL is not able to crop overlays - so use only 1 direct buffer */
46 #define SDL_MAX_DIRECTBUFFERS 1
47 #define SDL_DEFAULT_BPP 16
49 /*****************************************************************************
50 * vout_sys_t: video output SDL method descriptor
51 *****************************************************************************
52 * This structure is part of the video output thread descriptor.
53 * It describes the SDL specific properties of an output thread.
54 *****************************************************************************/
57 SDL_Surface * p_display; /* display device */
62 unsigned int i_desktop_width;
63 unsigned int i_desktop_height;
66 SDL_Overlay * p_overlay; /* An overlay we keep to grab the XVideo port */
72 vlc_bool_t b_cursor_autohidden;
74 mtime_t i_lastpressed; /* to track dbl-clicks */
79 /*****************************************************************************
80 * picture_sys_t: direct buffer method descriptor
81 *****************************************************************************
82 * This structure is part of the picture descriptor, it describes the
83 * SDL specific properties of a direct buffer.
84 *****************************************************************************/
87 SDL_Overlay *p_overlay;
90 /*****************************************************************************
92 *****************************************************************************/
93 static int Open ( vlc_object_t * );
94 static void Close ( vlc_object_t * );
95 static int Init ( vout_thread_t * );
96 static void End ( vout_thread_t * );
97 static int Manage ( vout_thread_t * );
98 static void Display ( vout_thread_t *, picture_t * );
100 static int OpenDisplay ( vout_thread_t * );
101 static void CloseDisplay ( vout_thread_t * );
102 static int NewPicture ( vout_thread_t *, picture_t * );
103 static void SetPalette ( vout_thread_t *,
104 uint16_t *, uint16_t *, uint16_t * );
106 static int ConvertKey( SDLKey );
109 #define CHROMA_TEXT N_("SDL chroma format")
110 #define CHROMA_LONGTEXT N_( \
111 "Force the SDL renderer to use a specific chroma format instead of " \
112 "trying to improve performances by using the most efficient one.")
114 /*****************************************************************************
116 *****************************************************************************/
118 set_shortname( "SDL" );
119 set_category( CAT_VIDEO );
120 set_subcategory( SUBCAT_VIDEO_VOUT );
121 set_description( _("Simple DirectMedia Layer video output") );
122 set_capability( "video output", 60 );
123 add_shortcut( "sdl" );
124 add_string( "sdl-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, VLC_TRUE );
125 set_callbacks( Open, Close );
126 #if defined( __i386__ ) || defined( __x86_64__ )
127 /* On i386, SDL is linked against svgalib */
128 linked_with_a_crap_library_which_uses_atexit();
132 /*****************************************************************************
133 * OpenVideo: allocate SDL video thread output method
134 *****************************************************************************
135 * This function allocate and initialize a SDL vout method. It uses some of the
136 * vout properties to choose the correct mode, and change them according to the
137 * mode actually used.
138 *****************************************************************************/
139 static int Open ( vlc_object_t *p_this )
141 vout_thread_t * p_vout = (vout_thread_t *)p_this;
142 /* XXX: check for conflicts with the SDL audio output */
143 vlc_mutex_t *lock = var_AcquireMutex( "sdl" );
152 p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
153 if( p_vout->p_sys == NULL )
155 vlc_mutex_unlock( lock );
159 vlc_mutex_init( p_vout, &p_vout->p_sys->lock );
161 /* Check if SDL video module has been initialized */
162 if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
164 vlc_mutex_unlock( lock );
165 free( p_vout->p_sys );
169 /* Allocate structure */
170 p_vout->pf_init = Init;
171 p_vout->pf_end = End;
172 p_vout->pf_manage = Manage;
173 p_vout->pf_render = NULL;
174 p_vout->pf_display = Display;
175 p_vout->pf_control = NULL;
178 psz_method = config_GetPsz( p_vout, "vout" );
181 while( *psz_method && *psz_method != ':' )
188 setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
193 /* Initialize library */
194 if( SDL_Init( SDL_INIT_VIDEO
196 /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
197 | SDL_INIT_EVENTTHREAD
200 /* In debug mode you may want vlc to dump a core instead of staying
202 | SDL_INIT_NOPARACHUTE
206 msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
207 free( p_vout->p_sys );
208 vlc_mutex_unlock( lock );
212 vlc_mutex_unlock( lock );
214 /* Translate keys into unicode */
215 SDL_EnableUNICODE(1);
217 /* Get the desktop resolution */
218 p_vout->p_sys->i_desktop_width = SDL_GetVideoInfo()->current_w;
219 p_vout->p_sys->i_desktop_height = SDL_GetVideoInfo()->current_h;
221 /* Create the cursor */
222 p_vout->p_sys->b_cursor = 1;
223 p_vout->p_sys->b_cursor_autohidden = 0;
224 p_vout->p_sys->i_lastmoved = p_vout->p_sys->i_lastpressed = mdate();
226 if( OpenDisplay( p_vout ) )
228 msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
229 SDL_QuitSubSystem( SDL_INIT_VIDEO );
230 free( p_vout->p_sys );
237 /*****************************************************************************
238 * Init: initialize SDL video thread output method
239 *****************************************************************************
240 * This function initialize the SDL display device.
241 *****************************************************************************/
242 static int Init( vout_thread_t *p_vout )
247 p_vout->p_sys->i_surfaces = 0;
249 I_OUTPUTPICTURES = 0;
251 /* Initialize the output structure */
252 if( p_vout->p_sys->p_overlay == NULL )
254 /* All we have is an RGB image with square pixels */
255 p_vout->output.i_width = p_vout->p_sys->i_width;
256 p_vout->output.i_height = p_vout->p_sys->i_height;
257 p_vout->output.i_aspect = p_vout->output.i_width
259 / p_vout->output.i_height;
263 /* We may need to convert the chroma, but at least we keep the
265 p_vout->output.i_width = p_vout->render.i_width;
266 p_vout->output.i_height = p_vout->render.i_height;
267 p_vout->output.i_aspect = p_vout->render.i_aspect;
270 /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
271 while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
275 /* Find an empty picture slot */
276 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
278 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
280 p_pic = p_vout->p_picture + i_index;
285 /* Allocate the picture if we found one */
286 if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
291 p_pic->i_status = DESTROYED_PICTURE;
292 p_pic->i_type = DIRECT_PICTURE;
294 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
302 /*****************************************************************************
303 * End: terminate Sys video thread output method
304 *****************************************************************************
305 * Terminate an output method created by OpenVideo
306 *****************************************************************************/
307 static void End( vout_thread_t *p_vout )
311 /* Free the output buffers we allocated */
312 for( i_index = I_OUTPUTPICTURES ; i_index ; )
315 if( p_vout->p_sys->p_overlay == NULL )
321 SDL_UnlockYUVOverlay(
322 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
324 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
326 free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
330 /*****************************************************************************
331 * CloseVideo: destroy Sys video thread output method
332 *****************************************************************************
333 * Terminate an output method created by vout_SDLCreate
334 *****************************************************************************/
335 static void Close ( vlc_object_t *p_this )
337 vout_thread_t * p_vout = (vout_thread_t *)p_this;
339 CloseDisplay( p_vout );
340 SDL_QuitSubSystem( SDL_INIT_VIDEO );
342 vlc_mutex_destroy( &p_vout->p_sys->lock );
344 free( p_vout->p_sys );
347 /*****************************************************************************
348 * Manage: handle Sys events
349 *****************************************************************************
350 * This function should be called regularly by video output thread. It returns
351 * a non null value if an error occurred.
352 *****************************************************************************/
353 static int Manage( vout_thread_t *p_vout )
355 SDL_Event event; /* SDL event */
357 unsigned int i_width, i_height, i_x, i_y;
359 vlc_mutex_lock( &p_vout->p_sys->lock );
362 while( SDL_PollEvent( &event ) )
366 /* Resizing of window */
367 case SDL_VIDEORESIZE:
368 p_vout->i_changes |= VOUT_SIZE_CHANGE;
369 p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
370 p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
374 case SDL_MOUSEMOTION:
375 vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
376 p_vout->p_sys->i_height,
377 &i_x, &i_y, &i_width, &i_height );
379 val.i_int = ( event.motion.x - i_x )
380 * p_vout->render.i_width / i_width;
381 var_Set( p_vout, "mouse-x", val );
382 val.i_int = ( event.motion.y - i_y )
383 * p_vout->render.i_height / i_height;
384 var_Set( p_vout, "mouse-y", val );
386 val.b_bool = VLC_TRUE;
387 var_Set( p_vout, "mouse-moved", val );
389 if( p_vout->p_sys->b_cursor )
391 if( p_vout->p_sys->b_cursor_autohidden )
393 p_vout->p_sys->b_cursor_autohidden = 0;
398 p_vout->p_sys->i_lastmoved = mdate();
403 /* Mouse button released */
404 case SDL_MOUSEBUTTONUP:
405 switch( event.button.button )
407 case SDL_BUTTON_LEFT:
408 var_Get( p_vout, "mouse-button-down", &val );
410 var_Set( p_vout, "mouse-button-down", val );
412 val.b_bool = VLC_TRUE;
413 var_Set( p_vout, "mouse-clicked", val );
416 case SDL_BUTTON_MIDDLE:
418 playlist_t *p_playlist;
420 var_Get( p_vout, "mouse-button-down", &val );
422 var_Set( p_vout, "mouse-button-down", val );
424 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
426 if( p_playlist != NULL )
429 var_Get( p_playlist, "intf-show", &val );
430 val.b_bool = !val.b_bool;
431 var_Set( p_playlist, "intf-show", val );
432 vlc_object_release( p_playlist );
437 case SDL_BUTTON_RIGHT:
439 intf_thread_t *p_intf;
440 playlist_t *p_playlist;
442 var_Get( p_vout, "mouse-button-down", &val );
444 var_Set( p_vout, "mous-button-down", val );
445 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
449 p_intf->b_menu_change = 1;
450 vlc_object_release( p_intf );
453 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
456 if( p_playlist != NULL )
459 val.b_bool = VLC_TRUE;
460 var_Set( p_playlist, "intf-popupmenu", val );
461 vlc_object_release( p_playlist );
468 /* Mouse button pressed */
469 case SDL_MOUSEBUTTONDOWN:
470 switch( event.button.button )
472 case SDL_BUTTON_LEFT:
473 var_Get( p_vout, "mouse-button-down", &val );
475 var_Set( p_vout, "mouse-button-down", val );
477 /* detect double-clicks */
478 if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
479 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
481 p_vout->p_sys->i_lastpressed = mdate();
484 case SDL_BUTTON_MIDDLE:
485 var_Get( p_vout, "mouse-button-down", &val );
487 var_Set( p_vout, "mouse-button-down", val );
490 case SDL_BUTTON_RIGHT:
491 var_Get( p_vout, "mouse-button-down", &val );
493 var_Set( p_vout, "mouse-button-down", val );
498 /* Quit event (close the window) */
501 playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
502 if( p_playlist != NULL )
504 playlist_Stop( p_playlist );
505 vlc_object_release( p_playlist );
512 /* convert the key if possible */
513 val.i_int = ConvertKey( event.key.keysym.sym );
517 /* Find the right caracter */
518 if( ( event.key.keysym.unicode & 0xff80 ) == 0 )
520 val.i_int = event.key.keysym.unicode & 0x7f;
521 /* FIXME: find a better solution than this
522 hack to find the right caracter */
523 if( val.i_int >= 1 && val.i_int <= 26 )
525 else if( val.i_int >= 65 && val.i_int <= 90 )
532 if( ( event.key.keysym.mod & KMOD_SHIFT ) )
534 val.i_int |= KEY_MODIFIER_SHIFT;
536 if( ( event.key.keysym.mod & KMOD_CTRL ) )
538 val.i_int |= KEY_MODIFIER_CTRL;
540 if( ( event.key.keysym.mod & KMOD_ALT ) )
542 val.i_int |= KEY_MODIFIER_ALT;
544 var_Set( p_vout->p_libvlc, "key-pressed", val );
552 /* Fullscreen change */
553 if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
557 /* Update the object variable and trigger callback */
558 val_fs.b_bool = !p_vout->b_fullscreen;
559 p_vout->b_fullscreen = !p_vout->b_fullscreen;
560 var_Set( p_vout, "fullscreen", val_fs );
562 /*TODO: add the "always on top" code here !*/
564 p_vout->p_sys->b_cursor_autohidden = 0;
565 SDL_ShowCursor( p_vout->p_sys->b_cursor &&
566 ! p_vout->p_sys->b_cursor_autohidden );
568 p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
569 p_vout->i_changes |= VOUT_SIZE_CHANGE;
572 /* Crop or Aspect Ratio Changes */
573 if( p_vout->i_changes & VOUT_CROP_CHANGE ||
574 p_vout->i_changes & VOUT_ASPECT_CHANGE )
576 p_vout->i_changes &= ~VOUT_CROP_CHANGE;
577 p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
579 p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
580 p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
581 p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
582 p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
583 p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
584 p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
585 p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
586 p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
588 p_vout->i_changes |= VOUT_SIZE_CHANGE;
592 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
594 msg_Dbg( p_vout, "video display resized (%dx%d)",
595 p_vout->p_sys->i_width, p_vout->p_sys->i_height );
597 CloseDisplay( p_vout );
598 OpenDisplay( p_vout );
600 /* We don't need to signal the vout thread about the size change if
601 * we can handle rescaling ourselves */
602 if( p_vout->p_sys->p_overlay != NULL )
603 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
607 if( ! p_vout->p_sys->b_cursor_autohidden &&
608 ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) )
610 /* Hide the mouse automatically */
611 p_vout->p_sys->b_cursor_autohidden = 1;
615 vlc_mutex_unlock( &p_vout->p_sys->lock );
620 /*****************************************************************************
621 * Key events handling
622 *****************************************************************************/
627 } sdlkeys_to_vlckeys[] =
638 { SDLK_F10, KEY_F10 },
639 { SDLK_F11, KEY_F11 },
640 { SDLK_F12, KEY_F12 },
642 { SDLK_RETURN, KEY_ENTER },
643 { SDLK_KP_ENTER, KEY_ENTER },
644 { SDLK_SPACE, KEY_SPACE },
645 { SDLK_ESCAPE, KEY_ESC },
647 { SDLK_MENU, KEY_MENU },
648 { SDLK_LEFT, KEY_LEFT },
649 { SDLK_RIGHT, KEY_RIGHT },
651 { SDLK_DOWN, KEY_DOWN },
653 { SDLK_HOME, KEY_HOME },
654 { SDLK_END, KEY_END },
655 { SDLK_PAGEUP, KEY_PAGEUP },
656 { SDLK_PAGEDOWN, KEY_PAGEDOWN },
658 { SDLK_INSERT, KEY_INSERT },
659 { SDLK_DELETE, KEY_DELETE },
660 /*TODO: find a equivalent for SDL
661 { , KEY_MEDIA_NEXT_TRACK }
662 { , KEY_MEDIA_PREV_TRACK }
663 { , KEY_VOLUME_MUTE }
664 { , KEY_VOLUME_DOWN }
666 { , KEY_MEDIA_PLAY_PAUSE }
667 { , KEY_MEDIA_PLAY_PAUSE }*/
672 static int ConvertKey( SDLKey sdl_key )
675 for( i=0; sdlkeys_to_vlckeys[i].sdl_key != 0; i++ )
677 if( sdlkeys_to_vlckeys[i].sdl_key == sdl_key )
679 return sdlkeys_to_vlckeys[i].i_vlckey;
686 /*****************************************************************************
687 * Display: displays previously rendered output
688 *****************************************************************************
689 * This function sends the currently rendered image to the display.
690 *****************************************************************************/
691 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
693 unsigned int x, y, w, h;
696 vlc_mutex_lock( &p_vout->p_sys->lock );
698 vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
705 if( p_vout->p_sys->p_overlay == NULL )
708 SDL_Flip( p_vout->p_sys->p_display );
712 /* Overlay picture */
713 SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
714 SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
715 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
718 vlc_mutex_unlock( &p_vout->p_sys->lock );
721 /* following functions are local */
723 /*****************************************************************************
724 * OpenDisplay: open and initialize SDL device
725 *****************************************************************************
726 * Open and initialize display according to preferences specified in the vout
728 *****************************************************************************/
729 static int OpenDisplay( vout_thread_t *p_vout )
734 /* SDL fucked up fourcc definitions on bigendian machines */
735 uint32_t i_sdl_chroma;
736 char *psz_chroma = NULL;
737 uint32_t i_chroma = 0;
739 /* Set main window's size */
740 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_width :
741 p_vout->i_window_width;
742 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_height :
743 p_vout->i_window_height;
745 /* Initialize flags and cursor */
746 i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
747 i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
749 i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
750 SDL_DEFAULT_BPP, i_flags );
753 msg_Err( p_vout, "no video mode available" );
757 p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
758 p_vout->p_sys->i_height,
761 if( p_vout->p_sys->p_display == NULL )
763 msg_Err( p_vout, "cannot set video mode" );
767 SDL_LockSurface( p_vout->p_sys->p_display );
769 if( ( psz_chroma = config_GetPsz( p_vout, "sdl-chroma" ) ) )
771 if( strlen( psz_chroma ) >= 4 )
773 memcpy(&i_chroma, psz_chroma, 4);
774 msg_Dbg( p_vout, "Forcing chroma to 0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
783 /* Choose the chroma we will try first. */
786 if( !psz_chroma ) i_chroma = 0;
787 switch( i_chroma ? i_chroma : p_vout->render.i_chroma )
789 case VLC_FOURCC('Y','U','Y','2'):
790 case VLC_FOURCC('Y','U','N','V'):
791 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
792 i_sdl_chroma = SDL_YUY2_OVERLAY;
794 case VLC_FOURCC('U','Y','V','Y'):
795 case VLC_FOURCC('U','Y','N','V'):
796 case VLC_FOURCC('Y','4','2','2'):
797 p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
798 i_sdl_chroma = SDL_UYVY_OVERLAY;
800 case VLC_FOURCC('Y','V','Y','U'):
801 p_vout->output.i_chroma = VLC_FOURCC('Y','V','Y','U');
802 i_sdl_chroma = SDL_YVYU_OVERLAY;
804 case VLC_FOURCC('Y','V','1','2'):
805 case VLC_FOURCC('I','4','2','0'):
806 case VLC_FOURCC('I','Y','U','V'):
808 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
809 i_sdl_chroma = SDL_YV12_OVERLAY;
812 free( psz_chroma ); psz_chroma = NULL;
814 p_vout->p_sys->p_overlay =
815 SDL_CreateYUVOverlay( 32, 32, i_sdl_chroma,
816 p_vout->p_sys->p_display );
817 /* FIXME: if the first overlay we find is software, don't stop,
818 * because we may find a hardware one later ... */
820 while( i_chroma && !p_vout->p_sys->p_overlay );
823 /* If this best choice failed, fall back to other chromas */
824 if( p_vout->p_sys->p_overlay == NULL )
826 p_vout->output.i_chroma = VLC_FOURCC('I','Y','U','V');
827 p_vout->p_sys->p_overlay =
828 SDL_CreateYUVOverlay( 32, 32, SDL_IYUV_OVERLAY,
829 p_vout->p_sys->p_display );
832 if( p_vout->p_sys->p_overlay == NULL )
834 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
835 p_vout->p_sys->p_overlay =
836 SDL_CreateYUVOverlay( 32, 32, SDL_YV12_OVERLAY,
837 p_vout->p_sys->p_display );
840 if( p_vout->p_sys->p_overlay == NULL )
842 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
843 p_vout->p_sys->p_overlay =
844 SDL_CreateYUVOverlay( 32, 32, SDL_YUY2_OVERLAY,
845 p_vout->p_sys->p_display );
848 if( p_vout->p_sys->p_overlay == NULL )
850 msg_Warn( p_vout, "no SDL overlay for 0x%.8x (%4.4s)",
851 p_vout->render.i_chroma, (char*)&p_vout->render.i_chroma );
853 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
856 p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
857 p_vout->output.pf_setpalette = SetPalette;
860 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
863 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
866 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
869 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
872 msg_Err( p_vout, "unknown screen depth %i",
873 p_vout->p_sys->p_display->format->BitsPerPixel );
874 SDL_UnlockSurface( p_vout->p_sys->p_display );
875 SDL_FreeSurface( p_vout->p_sys->p_display );
879 p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
880 p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
881 p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
883 SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
884 VOUT_TITLE " (software RGB SDL output)" );
888 if( p_vout->p_sys->p_overlay->hw_overlay )
890 SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
891 VOUT_TITLE " (hardware YUV SDL output)" );
895 SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
896 VOUT_TITLE " (software YUV SDL output)" );
900 SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
905 /*****************************************************************************
906 * CloseDisplay: close and reset SDL device
907 *****************************************************************************
908 * This function returns all resources allocated by OpenDisplay and restore
909 * the original state of the device.
910 *****************************************************************************/
911 static void CloseDisplay( vout_thread_t *p_vout )
913 SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
914 SDL_UnlockSurface ( p_vout->p_sys->p_display );
915 SDL_FreeSurface( p_vout->p_sys->p_display );
918 /*****************************************************************************
919 * NewPicture: allocate a picture
920 *****************************************************************************
921 * Returns 0 on success, -1 otherwise
922 *****************************************************************************/
923 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
925 int i_width = p_vout->output.i_width;
926 int i_height = p_vout->output.i_height;
928 if( p_vout->p_sys->p_overlay == NULL )
931 if( p_vout->p_sys->i_surfaces )
933 /* We already allocated this surface, return */
937 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
939 if( p_pic->p_sys == NULL )
944 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
947 p_pic->p->i_pixel_pitch = 1;
951 p_pic->p->i_pixel_pitch = 2;
955 p_pic->p->i_pixel_pitch = 4;
961 p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
962 p_pic->p->i_lines = p_vout->p_sys->p_display->h;
963 p_pic->p->i_visible_lines = p_vout->p_sys->p_display->h;
964 p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
965 p_pic->p->i_visible_pitch =
966 p_pic->p->i_pixel_pitch * p_vout->p_sys->p_display->w;
968 p_vout->p_sys->i_surfaces++;
974 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
976 if( p_pic->p_sys == NULL )
981 p_pic->p_sys->p_overlay =
982 SDL_CreateYUVOverlay( i_width, i_height,
983 p_vout->output.i_chroma,
984 p_vout->p_sys->p_display );
986 if( p_pic->p_sys->p_overlay == NULL )
988 free( p_pic->p_sys );
992 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
994 p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
995 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
996 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h;
997 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
999 switch( p_vout->output.i_chroma )
1001 case SDL_YV12_OVERLAY:
1002 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1003 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
1005 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
1006 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1007 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1008 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
1009 p_pic->p[U_PLANE].i_pixel_pitch = 1;
1010 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1012 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
1013 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1014 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1015 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
1016 p_pic->p[V_PLANE].i_pixel_pitch = 1;
1017 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1019 p_pic->i_planes = 3;
1022 case SDL_IYUV_OVERLAY:
1023 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1024 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
1026 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
1027 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1028 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1029 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
1030 p_pic->p[U_PLANE].i_pixel_pitch = 1;
1031 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1033 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
1034 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1035 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1036 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
1037 p_pic->p[V_PLANE].i_pixel_pitch = 1;
1038 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1040 p_pic->i_planes = 3;
1044 p_pic->p[Y_PLANE].i_pixel_pitch = 2;
1045 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w * 2;
1047 p_pic->i_planes = 1;
1055 /*****************************************************************************
1056 * SetPalette: sets an 8 bpp palette
1057 *****************************************************************************/
1058 static void SetPalette( vout_thread_t *p_vout,
1059 uint16_t *red, uint16_t *green, uint16_t *blue )
1061 SDL_Color colors[256];
1064 /* Fill colors with color information */
1065 for( i = 0; i < 256; i++ )
1067 colors[ i ].r = red[ i ] >> 8;
1068 colors[ i ].g = green[ i ] >> 8;
1069 colors[ i ].b = blue[ i ] >> 8;
1073 if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
1075 msg_Err( p_vout, "failed to set palette" );