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 */
36 #include <vlc_plugin.h>
37 #include <vlc_interface.h>
38 #include <vlc_playlist.h>
41 //#include <vlc_aout.h>
43 #include <sys/types.h>
45 # include <netinet/in.h> /* BSD: struct in_addr */
48 #include SDL_INCLUDE_FILE
50 /* SDL is not able to crop overlays - so use only 1 direct buffer */
51 #define SDL_MAX_DIRECTBUFFERS 1
52 #define SDL_DEFAULT_BPP 16
54 /*****************************************************************************
55 * vout_sys_t: video output SDL method descriptor
56 *****************************************************************************
57 * This structure is part of the video output thread descriptor.
58 * It describes the SDL specific properties of an output thread.
59 *****************************************************************************/
62 SDL_Surface * p_display; /* display device */
67 #if SDL_VERSION_ATLEAST(1,2,10)
68 unsigned int i_desktop_width;
69 unsigned int i_desktop_height;
73 SDL_Overlay * p_overlay; /* An overlay we keep to grab the XVideo port */
79 bool b_cursor_autohidden;
81 mtime_t i_mouse_hide_timeout;
82 mtime_t i_lastpressed; /* to track dbl-clicks */
85 /*****************************************************************************
86 * picture_sys_t: direct buffer method descriptor
87 *****************************************************************************
88 * This structure is part of the picture descriptor, it describes the
89 * SDL specific properties of a direct buffer.
90 *****************************************************************************/
93 SDL_Overlay *p_overlay;
96 /*****************************************************************************
98 *****************************************************************************/
99 static int Open ( vlc_object_t * );
100 static void Close ( vlc_object_t * );
101 static int Init ( vout_thread_t * );
102 static void End ( vout_thread_t * );
103 static int Manage ( vout_thread_t * );
104 static void Display ( vout_thread_t *, picture_t * );
106 static int OpenDisplay ( vout_thread_t * );
107 static void CloseDisplay ( vout_thread_t * );
108 static int NewPicture ( vout_thread_t *, picture_t * );
109 static void SetPalette ( vout_thread_t *,
110 uint16_t *, uint16_t *, uint16_t * );
112 static int ConvertKey( SDLKey );
115 #define CHROMA_TEXT N_("SDL chroma format")
116 #define CHROMA_LONGTEXT N_( \
117 "Force the SDL renderer to use a specific chroma format instead of " \
118 "trying to improve performances by using the most efficient one.")
120 /*****************************************************************************
122 *****************************************************************************/
124 set_shortname( "SDL" );
125 set_category( CAT_VIDEO );
126 set_subcategory( SUBCAT_VIDEO_VOUT );
127 set_description( N_("Simple DirectMedia Layer video output") );
128 set_capability( "video output", 60 );
129 add_shortcut( "sdl" );
130 add_string( "sdl-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, true );
131 set_callbacks( Open, Close );
132 #if defined( __i386__ ) || defined( __x86_64__ )
133 /* On i386, SDL is linked against svgalib */
134 linked_with_a_crap_library_which_uses_atexit();
138 /*****************************************************************************
139 * OpenVideo: allocate SDL video thread output method
140 *****************************************************************************
141 * This function allocate and initialize a SDL vout method. It uses some of the
142 * vout properties to choose the correct mode, and change them according to the
143 * mode actually used.
144 *****************************************************************************/
145 static int Open ( vlc_object_t *p_this )
147 vout_thread_t * p_vout = (vout_thread_t *)p_this;
148 /* XXX: check for conflicts with the SDL audio output */
149 vlc_mutex_t *lock = var_AcquireMutex( "sdl" );
158 p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
159 if( p_vout->p_sys == NULL )
161 vlc_mutex_unlock( lock );
165 /* Check if SDL video module has been initialized */
166 if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
168 vlc_mutex_unlock( lock );
169 free( p_vout->p_sys );
173 /* Allocate structure */
174 p_vout->pf_init = Init;
175 p_vout->pf_end = End;
176 p_vout->pf_manage = Manage;
177 p_vout->pf_render = NULL;
178 p_vout->pf_display = Display;
179 p_vout->pf_control = NULL;
182 psz_method = config_GetPsz( p_vout, "vout" );
185 while( *psz_method && *psz_method != ':' )
192 setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
197 /* Initialize library */
198 if( SDL_Init( SDL_INIT_VIDEO
200 /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
201 | SDL_INIT_EVENTTHREAD
204 /* In debug mode you may want vlc to dump a core instead of staying
206 | SDL_INIT_NOPARACHUTE
210 msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
211 free( p_vout->p_sys );
212 vlc_mutex_unlock( lock );
216 vlc_mutex_unlock( lock );
218 /* Translate keys into unicode */
219 SDL_EnableUNICODE(1);
221 /* Get the desktop resolution */
222 #if SDL_VERSION_ATLEAST(1,2,10)
223 /* FIXME: SDL has a problem with virtual desktop */
224 p_vout->p_sys->i_desktop_width = SDL_GetVideoInfo()->current_w;
225 p_vout->p_sys->i_desktop_height = SDL_GetVideoInfo()->current_h;
228 /* Create the cursor */
229 p_vout->p_sys->b_cursor = 1;
230 p_vout->p_sys->b_cursor_autohidden = 0;
231 p_vout->p_sys->i_lastmoved = p_vout->p_sys->i_lastpressed = mdate();
232 p_vout->p_sys->i_mouse_hide_timeout =
233 var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
235 if( OpenDisplay( p_vout ) )
237 msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
238 SDL_QuitSubSystem( SDL_INIT_VIDEO );
239 free( p_vout->p_sys );
246 /*****************************************************************************
247 * Init: initialize SDL video thread output method
248 *****************************************************************************
249 * This function initialize the SDL display device.
250 *****************************************************************************/
251 static int Init( vout_thread_t *p_vout )
256 p_vout->p_sys->i_surfaces = 0;
258 I_OUTPUTPICTURES = 0;
260 /* Initialize the output structure */
261 if( p_vout->p_sys->p_overlay == NULL )
263 /* All we have is an RGB image with square pixels */
264 p_vout->output.i_width = p_vout->p_sys->i_width;
265 p_vout->output.i_height = p_vout->p_sys->i_height;
266 p_vout->output.i_aspect = p_vout->output.i_width
268 / p_vout->output.i_height;
272 /* We may need to convert the chroma, but at least we keep the
274 p_vout->output.i_width = p_vout->render.i_width;
275 p_vout->output.i_height = p_vout->render.i_height;
276 p_vout->output.i_aspect = p_vout->render.i_aspect;
279 /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
280 while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
284 /* Find an empty picture slot */
285 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
287 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
289 p_pic = p_vout->p_picture + i_index;
294 /* Allocate the picture if we found one */
295 if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
300 p_pic->i_status = DESTROYED_PICTURE;
301 p_pic->i_type = DIRECT_PICTURE;
303 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
311 /*****************************************************************************
312 * End: terminate Sys video thread output method
313 *****************************************************************************
314 * Terminate an output method created by OpenVideo
315 *****************************************************************************/
316 static void End( vout_thread_t *p_vout )
320 /* Free the output buffers we allocated */
321 for( i_index = I_OUTPUTPICTURES ; i_index ; )
324 if( p_vout->p_sys->p_overlay == NULL )
330 SDL_UnlockYUVOverlay(
331 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
333 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
335 free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
339 /*****************************************************************************
340 * CloseVideo: destroy Sys video thread output method
341 *****************************************************************************
342 * Terminate an output method created by vout_SDLCreate
343 *****************************************************************************/
344 static void Close ( vlc_object_t *p_this )
346 vout_thread_t * p_vout = (vout_thread_t *)p_this;
348 CloseDisplay( p_vout );
349 SDL_QuitSubSystem( SDL_INIT_VIDEO );
351 free( p_vout->p_sys );
354 /*****************************************************************************
355 * Manage: handle Sys events
356 *****************************************************************************
357 * This function should be called regularly by video output thread. It returns
358 * a non null value if an error occurred.
359 *****************************************************************************/
360 static int Manage( vout_thread_t *p_vout )
362 SDL_Event event; /* SDL event */
364 unsigned int i_width, i_height, i_x, i_y;
367 while( SDL_PollEvent( &event ) )
371 /* Resizing of window */
372 case SDL_VIDEORESIZE:
373 p_vout->i_changes |= VOUT_SIZE_CHANGE;
374 p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
375 p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
379 case SDL_MOUSEMOTION:
380 vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
381 p_vout->p_sys->i_height,
382 &i_x, &i_y, &i_width, &i_height );
384 /* Compute the x coordinate and check if the value is
385 in [0,p_vout->fmt_in.i_visible_width] */
386 val.i_int = ( event.motion.x - i_x ) *
387 p_vout->fmt_in.i_visible_width / i_width +
388 p_vout->fmt_in.i_x_offset;
390 if( (int)(event.motion.x - i_x) < 0 )
392 else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
393 val.i_int = p_vout->fmt_in.i_visible_width;
395 var_Set( p_vout, "mouse-x", val );
397 /* compute the y coordinate and check if the value is
398 in [0,p_vout->fmt_in.i_visible_height] */
399 val.i_int = ( event.motion.y - i_y ) *
400 p_vout->fmt_in.i_visible_height / i_height +
401 p_vout->fmt_in.i_y_offset;
403 if( (int)(event.motion.y - i_y) < 0 )
405 else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
406 val.i_int = p_vout->fmt_in.i_visible_height;
408 var_Set( p_vout, "mouse-y", val );
411 var_Set( p_vout, "mouse-moved", val );
413 if( p_vout->p_sys->b_cursor )
415 if( p_vout->p_sys->b_cursor_autohidden )
417 p_vout->p_sys->b_cursor_autohidden = 0;
422 p_vout->p_sys->i_lastmoved = mdate();
427 /* Mouse button released */
428 case SDL_MOUSEBUTTONUP:
429 switch( event.button.button )
431 case SDL_BUTTON_LEFT:
432 var_Get( p_vout, "mouse-button-down", &val );
434 var_Set( p_vout, "mouse-button-down", val );
437 var_Set( p_vout, "mouse-clicked", val );
440 case SDL_BUTTON_MIDDLE:
442 playlist_t *p_playlist;
444 var_Get( p_vout, "mouse-button-down", &val );
446 var_Set( p_vout, "mouse-button-down", val );
448 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
450 if( p_playlist != NULL )
453 var_Get( p_playlist, "intf-show", &val );
454 val.b_bool = !val.b_bool;
455 var_Set( p_playlist, "intf-show", val );
456 vlc_object_release( p_playlist );
461 case SDL_BUTTON_RIGHT:
463 intf_thread_t *p_intf;
464 playlist_t *p_playlist;
466 var_Get( p_vout, "mouse-button-down", &val );
468 var_Set( p_vout, "mous-button-down", val );
469 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
473 p_intf->b_menu_change = 1;
474 vlc_object_release( p_intf );
477 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
480 if( p_playlist != NULL )
484 var_Set( p_playlist, "intf-popupmenu", val );
485 vlc_object_release( p_playlist );
492 /* Mouse button pressed */
493 case SDL_MOUSEBUTTONDOWN:
494 switch( event.button.button )
496 case SDL_BUTTON_LEFT:
497 var_Get( p_vout, "mouse-button-down", &val );
499 var_Set( p_vout, "mouse-button-down", val );
501 /* detect double-clicks */
502 if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
503 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
505 p_vout->p_sys->i_lastpressed = mdate();
508 case SDL_BUTTON_MIDDLE:
509 var_Get( p_vout, "mouse-button-down", &val );
511 var_Set( p_vout, "mouse-button-down", val );
514 case SDL_BUTTON_RIGHT:
515 var_Get( p_vout, "mouse-button-down", &val );
517 var_Set( p_vout, "mouse-button-down", val );
522 /* Quit event (close the window) */
525 playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
526 if( p_playlist != NULL )
528 playlist_Stop( p_playlist );
529 vlc_object_release( p_playlist );
536 /* convert the key if possible */
537 val.i_int = ConvertKey( event.key.keysym.sym );
541 /* Find the right caracter */
542 if( ( event.key.keysym.unicode & 0xff80 ) == 0 )
544 val.i_int = event.key.keysym.unicode & 0x7f;
545 /* FIXME: find a better solution than this
546 hack to find the right caracter */
547 if( val.i_int >= 1 && val.i_int <= 26 )
549 else if( val.i_int >= 65 && val.i_int <= 90 )
556 if( ( event.key.keysym.mod & KMOD_SHIFT ) )
558 val.i_int |= KEY_MODIFIER_SHIFT;
560 if( ( event.key.keysym.mod & KMOD_CTRL ) )
562 val.i_int |= KEY_MODIFIER_CTRL;
564 if( ( event.key.keysym.mod & KMOD_ALT ) )
566 val.i_int |= KEY_MODIFIER_ALT;
568 var_Set( p_vout->p_libvlc, "key-pressed", val );
576 /* Fullscreen change */
577 if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
581 /* Update the object variable and trigger callback */
582 val_fs.b_bool = !p_vout->b_fullscreen;
583 p_vout->b_fullscreen = !p_vout->b_fullscreen;
584 var_Set( p_vout, "fullscreen", val_fs );
586 /*TODO: add the "always on top" code here !*/
588 p_vout->p_sys->b_cursor_autohidden = 0;
589 SDL_ShowCursor( p_vout->p_sys->b_cursor &&
590 ! p_vout->p_sys->b_cursor_autohidden );
592 p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
593 p_vout->i_changes |= VOUT_SIZE_CHANGE;
596 /* Crop or Aspect Ratio Changes */
597 if( p_vout->i_changes & VOUT_CROP_CHANGE ||
598 p_vout->i_changes & VOUT_ASPECT_CHANGE )
600 p_vout->i_changes &= ~VOUT_CROP_CHANGE;
601 p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
603 p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
604 p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
605 p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
606 p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
607 p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
608 p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
609 p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
610 p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
612 p_vout->i_changes |= VOUT_SIZE_CHANGE;
616 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
618 msg_Dbg( p_vout, "video display resized (%dx%d)",
619 p_vout->p_sys->i_width, p_vout->p_sys->i_height );
621 CloseDisplay( p_vout );
622 OpenDisplay( p_vout );
624 /* We don't need to signal the vout thread about the size change if
625 * we can handle rescaling ourselves */
626 if( p_vout->p_sys->p_overlay != NULL )
627 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
631 if( ! p_vout->p_sys->b_cursor_autohidden &&
632 ( mdate() - p_vout->p_sys->i_lastmoved >
633 p_vout->p_sys->i_mouse_hide_timeout ) )
635 /* Hide the mouse automatically */
636 p_vout->p_sys->b_cursor_autohidden = 1;
643 /*****************************************************************************
644 * Key events handling
645 *****************************************************************************/
650 } sdlkeys_to_vlckeys[] =
661 { SDLK_F10, KEY_F10 },
662 { SDLK_F11, KEY_F11 },
663 { SDLK_F12, KEY_F12 },
665 { SDLK_RETURN, KEY_ENTER },
666 { SDLK_KP_ENTER, KEY_ENTER },
667 { SDLK_SPACE, KEY_SPACE },
668 { SDLK_ESCAPE, KEY_ESC },
670 { SDLK_MENU, KEY_MENU },
671 { SDLK_LEFT, KEY_LEFT },
672 { SDLK_RIGHT, KEY_RIGHT },
674 { SDLK_DOWN, KEY_DOWN },
676 { SDLK_HOME, KEY_HOME },
677 { SDLK_END, KEY_END },
678 { SDLK_PAGEUP, KEY_PAGEUP },
679 { SDLK_PAGEDOWN, KEY_PAGEDOWN },
681 { SDLK_INSERT, KEY_INSERT },
682 { SDLK_DELETE, KEY_DELETE },
683 /*TODO: find a equivalent for SDL
684 { , KEY_MEDIA_NEXT_TRACK }
685 { , KEY_MEDIA_PREV_TRACK }
686 { , KEY_VOLUME_MUTE }
687 { , KEY_VOLUME_DOWN }
689 { , KEY_MEDIA_PLAY_PAUSE }
690 { , KEY_MEDIA_PLAY_PAUSE }*/
695 static int ConvertKey( SDLKey sdl_key )
698 for( i=0; sdlkeys_to_vlckeys[i].sdl_key != 0; i++ )
700 if( sdlkeys_to_vlckeys[i].sdl_key == sdl_key )
702 return sdlkeys_to_vlckeys[i].i_vlckey;
709 /*****************************************************************************
710 * Display: displays previously rendered output
711 *****************************************************************************
712 * This function sends the currently rendered image to the display.
713 *****************************************************************************/
714 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
716 unsigned int x, y, w, h;
719 vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
726 if( p_vout->p_sys->p_overlay == NULL )
729 SDL_Flip( p_vout->p_sys->p_display );
733 /* Overlay picture */
734 SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
735 SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
736 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
740 /* following functions are local */
742 /*****************************************************************************
743 * OpenDisplay: open and initialize SDL device
744 *****************************************************************************
745 * Open and initialize display according to preferences specified in the vout
747 *****************************************************************************/
748 static int OpenDisplay( vout_thread_t *p_vout )
753 /* SDL fucked up fourcc definitions on bigendian machines */
754 uint32_t i_sdl_chroma;
755 char *psz_chroma = NULL;
756 uint32_t i_chroma = 0;
758 /* Set main window's size */
759 #if SDL_VERSION_ATLEAST(1,2,10)
760 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_width :
761 p_vout->i_window_width;
762 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_height :
763 p_vout->i_window_height;
765 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->output.i_width :
766 p_vout->i_window_width;
767 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->output.i_height :
768 p_vout->i_window_height;
771 /* Initialize flags and cursor */
772 i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
773 i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
775 i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
776 SDL_DEFAULT_BPP, i_flags );
779 msg_Err( p_vout, "no video mode available" );
783 p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
784 p_vout->p_sys->i_height,
787 if( p_vout->p_sys->p_display == NULL )
789 msg_Err( p_vout, "cannot set video mode" );
793 SDL_LockSurface( p_vout->p_sys->p_display );
795 if( ( psz_chroma = config_GetPsz( p_vout, "sdl-chroma" ) ) )
797 if( strlen( psz_chroma ) >= 4 )
799 memcpy(&i_chroma, psz_chroma, 4);
800 msg_Dbg( p_vout, "Forcing chroma to 0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
809 /* Choose the chroma we will try first. */
812 if( !psz_chroma ) i_chroma = 0;
813 switch( i_chroma ? i_chroma : p_vout->render.i_chroma )
815 case VLC_FOURCC('Y','U','Y','2'):
816 case VLC_FOURCC('Y','U','N','V'):
817 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
818 i_sdl_chroma = SDL_YUY2_OVERLAY;
820 case VLC_FOURCC('U','Y','V','Y'):
821 case VLC_FOURCC('U','Y','N','V'):
822 case VLC_FOURCC('Y','4','2','2'):
823 p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
824 i_sdl_chroma = SDL_UYVY_OVERLAY;
826 case VLC_FOURCC('Y','V','Y','U'):
827 p_vout->output.i_chroma = VLC_FOURCC('Y','V','Y','U');
828 i_sdl_chroma = SDL_YVYU_OVERLAY;
830 case VLC_FOURCC('Y','V','1','2'):
831 case VLC_FOURCC('I','4','2','0'):
832 case VLC_FOURCC('I','Y','U','V'):
834 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
835 i_sdl_chroma = SDL_YV12_OVERLAY;
838 free( psz_chroma ); psz_chroma = NULL;
840 p_vout->p_sys->p_overlay =
841 SDL_CreateYUVOverlay( 32, 32, i_sdl_chroma,
842 p_vout->p_sys->p_display );
843 /* FIXME: if the first overlay we find is software, don't stop,
844 * because we may find a hardware one later ... */
846 while( i_chroma && !p_vout->p_sys->p_overlay );
849 /* If this best choice failed, fall back to other chromas */
850 if( p_vout->p_sys->p_overlay == NULL )
852 p_vout->output.i_chroma = VLC_FOURCC('I','Y','U','V');
853 p_vout->p_sys->p_overlay =
854 SDL_CreateYUVOverlay( 32, 32, SDL_IYUV_OVERLAY,
855 p_vout->p_sys->p_display );
858 if( p_vout->p_sys->p_overlay == NULL )
860 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
861 p_vout->p_sys->p_overlay =
862 SDL_CreateYUVOverlay( 32, 32, SDL_YV12_OVERLAY,
863 p_vout->p_sys->p_display );
866 if( p_vout->p_sys->p_overlay == NULL )
868 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
869 p_vout->p_sys->p_overlay =
870 SDL_CreateYUVOverlay( 32, 32, SDL_YUY2_OVERLAY,
871 p_vout->p_sys->p_display );
874 if( p_vout->p_sys->p_overlay == NULL )
876 msg_Warn( p_vout, "no SDL overlay for 0x%.8x (%4.4s)",
877 p_vout->render.i_chroma, (char*)&p_vout->render.i_chroma );
879 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
882 p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
883 p_vout->output.pf_setpalette = SetPalette;
886 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
889 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
892 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
895 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
898 msg_Err( p_vout, "unknown screen depth %i",
899 p_vout->p_sys->p_display->format->BitsPerPixel );
900 SDL_UnlockSurface( p_vout->p_sys->p_display );
901 SDL_FreeSurface( p_vout->p_sys->p_display );
905 p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
906 p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
907 p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
909 SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
910 VOUT_TITLE " (software RGB SDL output)" );
914 if( p_vout->p_sys->p_overlay->hw_overlay )
916 SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
917 VOUT_TITLE " (hardware YUV SDL output)" );
921 SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
922 VOUT_TITLE " (software YUV SDL output)" );
926 SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
931 /*****************************************************************************
932 * CloseDisplay: close and reset SDL device
933 *****************************************************************************
934 * This function returns all resources allocated by OpenDisplay and restore
935 * the original state of the device.
936 *****************************************************************************/
937 static void CloseDisplay( vout_thread_t *p_vout )
939 SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
940 SDL_UnlockSurface ( p_vout->p_sys->p_display );
941 SDL_FreeSurface( p_vout->p_sys->p_display );
944 /*****************************************************************************
945 * NewPicture: allocate a picture
946 *****************************************************************************
947 * Returns 0 on success, -1 otherwise
948 *****************************************************************************/
949 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
951 int i_width = p_vout->output.i_width;
952 int i_height = p_vout->output.i_height;
954 if( p_vout->p_sys->p_overlay == NULL )
957 if( p_vout->p_sys->i_surfaces )
959 /* We already allocated this surface, return */
963 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
965 if( p_pic->p_sys == NULL )
970 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
973 p_pic->p->i_pixel_pitch = 1;
977 p_pic->p->i_pixel_pitch = 2;
981 p_pic->p->i_pixel_pitch = 4;
987 p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
988 p_pic->p->i_lines = p_vout->p_sys->p_display->h;
989 p_pic->p->i_visible_lines = p_vout->p_sys->p_display->h;
990 p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
991 p_pic->p->i_visible_pitch =
992 p_pic->p->i_pixel_pitch * p_vout->p_sys->p_display->w;
994 p_vout->p_sys->i_surfaces++;
1000 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1002 if( p_pic->p_sys == NULL )
1007 p_pic->p_sys->p_overlay =
1008 SDL_CreateYUVOverlay( i_width, i_height,
1009 p_vout->output.i_chroma,
1010 p_vout->p_sys->p_display );
1012 if( p_pic->p_sys->p_overlay == NULL )
1014 free( p_pic->p_sys );
1015 return VLC_EGENERIC;
1018 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
1020 p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
1021 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
1022 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h;
1023 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
1025 switch( p_vout->output.i_chroma )
1027 case SDL_YV12_OVERLAY:
1028 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1029 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
1031 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
1032 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1033 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1034 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
1035 p_pic->p[U_PLANE].i_pixel_pitch = 1;
1036 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1038 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
1039 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1040 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1041 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
1042 p_pic->p[V_PLANE].i_pixel_pitch = 1;
1043 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1045 p_pic->i_planes = 3;
1048 case SDL_IYUV_OVERLAY:
1049 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1050 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
1052 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
1053 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1054 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1055 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
1056 p_pic->p[U_PLANE].i_pixel_pitch = 1;
1057 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1059 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
1060 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1061 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1062 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
1063 p_pic->p[V_PLANE].i_pixel_pitch = 1;
1064 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1066 p_pic->i_planes = 3;
1070 p_pic->p[Y_PLANE].i_pixel_pitch = 2;
1071 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w * 2;
1073 p_pic->i_planes = 1;
1081 /*****************************************************************************
1082 * SetPalette: sets an 8 bpp palette
1083 *****************************************************************************/
1084 static void SetPalette( vout_thread_t *p_vout,
1085 uint16_t *red, uint16_t *green, uint16_t *blue )
1087 SDL_Color colors[256];
1090 /* Fill colors with color information */
1091 for( i = 0; i < 256; i++ )
1093 colors[ i ].r = red[ i ] >> 8;
1094 colors[ i ].g = green[ i ] >> 8;
1095 colors[ i ].b = blue[ i ] >> 8;
1099 if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
1101 msg_Err( p_vout, "failed to set palette" );