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 */
63 SDL_Overlay * p_overlay; /* An overlay we keep to grab the XVideo port */
69 vlc_bool_t b_cursor_autohidden;
71 mtime_t i_lastpressed; /* to track dbl-clicks */
74 /*****************************************************************************
75 * picture_sys_t: direct buffer method descriptor
76 *****************************************************************************
77 * This structure is part of the picture descriptor, it describes the
78 * SDL specific properties of a direct buffer.
79 *****************************************************************************/
82 SDL_Overlay *p_overlay;
85 /*****************************************************************************
87 *****************************************************************************/
88 static int Open ( vlc_object_t * );
89 static void Close ( vlc_object_t * );
90 static int Init ( vout_thread_t * );
91 static void End ( vout_thread_t * );
92 static int Manage ( vout_thread_t * );
93 static void Display ( vout_thread_t *, picture_t * );
95 static int OpenDisplay ( vout_thread_t * );
96 static void CloseDisplay ( vout_thread_t * );
97 static int NewPicture ( vout_thread_t *, picture_t * );
98 static void SetPalette ( vout_thread_t *,
99 uint16_t *, uint16_t *, uint16_t * );
101 static int ConvertKey( SDLKey );
104 #define CHROMA_TEXT N_("SDL chroma format")
105 #define CHROMA_LONGTEXT N_( \
106 "Force the SDL renderer to use a specific chroma format instead of " \
107 "trying to improve performances by using the most efficient one.")
109 /*****************************************************************************
111 *****************************************************************************/
113 set_shortname( "SDL" );
114 set_category( CAT_VIDEO );
115 set_subcategory( SUBCAT_VIDEO_VOUT );
116 set_description( _("Simple DirectMedia Layer video output") );
117 set_capability( "video output", 60 );
118 add_shortcut( "sdl" );
119 add_string( "sdl-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, VLC_TRUE );
120 set_callbacks( Open, Close );
121 #if defined( __i386__ ) || defined( __x86_64__ )
122 /* On i386, SDL is linked against svgalib */
123 linked_with_a_crap_library_which_uses_atexit();
127 /*****************************************************************************
128 * OpenVideo: allocate SDL video thread output method
129 *****************************************************************************
130 * This function allocate and initialize a SDL vout method. It uses some of the
131 * vout properties to choose the correct mode, and change them according to the
132 * mode actually used.
133 *****************************************************************************/
134 static int Open ( vlc_object_t *p_this )
136 vout_thread_t * p_vout = (vout_thread_t *)p_this;
137 /* XXX: check for conflicts with the SDL audio output */
138 vlc_mutex_t *lock = var_AcquireMutex( "sdl" );
147 p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
148 if( p_vout->p_sys == NULL )
150 vlc_mutex_unlock( lock );
154 if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
156 vlc_mutex_unlock( lock );
157 free( p_vout->p_sys );
161 /* Allocate structure */
163 p_vout->pf_init = Init;
164 p_vout->pf_end = End;
165 p_vout->pf_manage = Manage;
166 p_vout->pf_render = NULL;
167 p_vout->pf_display = Display;
170 psz_method = config_GetPsz( p_vout, "vout" );
173 while( *psz_method && *psz_method != ':' )
180 setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
185 /* Initialize library */
186 if( SDL_Init( SDL_INIT_VIDEO
188 /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
189 | SDL_INIT_EVENTTHREAD
192 /* In debug mode you may want vlc to dump a core instead of staying
194 | SDL_INIT_NOPARACHUTE
198 msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
199 free( p_vout->p_sys );
200 vlc_mutex_unlock( lock );
204 /* Translate keys into unicode */
205 SDL_EnableUNICODE(1);
207 vlc_mutex_unlock( lock );
209 p_vout->p_sys->b_cursor = 1;
210 p_vout->p_sys->b_cursor_autohidden = 0;
211 p_vout->p_sys->i_lastmoved = mdate();
213 if( OpenDisplay( p_vout ) )
215 msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
216 SDL_QuitSubSystem( SDL_INIT_VIDEO );
217 free( p_vout->p_sys );
224 /*****************************************************************************
225 * Init: initialize SDL video thread output method
226 *****************************************************************************
227 * This function initialize the SDL display device.
228 *****************************************************************************/
229 static int Init( vout_thread_t *p_vout )
234 p_vout->p_sys->i_surfaces = 0;
236 I_OUTPUTPICTURES = 0;
238 /* Initialize the output structure */
239 if( p_vout->p_sys->p_overlay == NULL )
241 /* All we have is an RGB image with square pixels */
242 p_vout->output.i_width = p_vout->p_sys->i_width;
243 p_vout->output.i_height = p_vout->p_sys->i_height;
244 p_vout->output.i_aspect = p_vout->output.i_width
246 / p_vout->output.i_height;
250 /* We may need to convert the chroma, but at least we keep the
252 p_vout->output.i_width = p_vout->render.i_width;
253 p_vout->output.i_height = p_vout->render.i_height;
254 p_vout->output.i_aspect = p_vout->render.i_aspect;
257 /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
258 while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
262 /* Find an empty picture slot */
263 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
265 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
267 p_pic = p_vout->p_picture + i_index;
272 /* Allocate the picture if we found one */
273 if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
278 p_pic->i_status = DESTROYED_PICTURE;
279 p_pic->i_type = DIRECT_PICTURE;
281 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
289 /*****************************************************************************
290 * End: terminate Sys video thread output method
291 *****************************************************************************
292 * Terminate an output method created by OpenVideo
293 *****************************************************************************/
294 static void End( vout_thread_t *p_vout )
298 /* Free the output buffers we allocated */
299 for( i_index = I_OUTPUTPICTURES ; i_index ; )
302 if( p_vout->p_sys->p_overlay == NULL )
308 SDL_UnlockYUVOverlay(
309 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
311 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
313 free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
317 /*****************************************************************************
318 * CloseVideo: destroy Sys video thread output method
319 *****************************************************************************
320 * Terminate an output method created by vout_SDLCreate
321 *****************************************************************************/
322 static void Close ( vlc_object_t *p_this )
324 vout_thread_t * p_vout = (vout_thread_t *)p_this;
326 CloseDisplay( p_vout );
327 SDL_QuitSubSystem( SDL_INIT_VIDEO );
329 free( p_vout->p_sys );
332 /*****************************************************************************
333 * Manage: handle Sys events
334 *****************************************************************************
335 * This function should be called regularly by video output thread. It returns
336 * a non null value if an error occurred.
337 *****************************************************************************/
338 static int Manage( vout_thread_t *p_vout )
340 SDL_Event event; /* SDL event */
342 unsigned int i_width, i_height, i_x, i_y;
345 while( SDL_PollEvent( &event ) )
349 case SDL_VIDEORESIZE: /* Resizing of window */
350 /* Update dimensions */
351 p_vout->i_changes |= VOUT_SIZE_CHANGE;
352 p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
353 p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
357 case SDL_MOUSEMOTION:
358 vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
359 p_vout->p_sys->i_height,
360 &i_x, &i_y, &i_width, &i_height );
362 val.i_int = ( event.motion.x - i_x )
363 * p_vout->render.i_width / i_width;
364 var_Set( p_vout, "mouse-x", val );
365 val.i_int = ( event.motion.y - i_y )
366 * p_vout->render.i_height / i_height;
367 var_Set( p_vout, "mouse-y", val );
369 val.b_bool = VLC_TRUE;
370 var_Set( p_vout, "mouse-moved", val );
372 if( p_vout->p_sys->b_cursor &&
373 (abs(event.motion.xrel) > 2 || abs(event.motion.yrel) > 2) )
375 if( p_vout->p_sys->b_cursor_autohidden )
377 p_vout->p_sys->b_cursor_autohidden = 0;
382 p_vout->p_sys->i_lastmoved = mdate();
387 /* Mouse button released */
388 case SDL_MOUSEBUTTONUP:
389 switch( event.button.button )
391 case SDL_BUTTON_LEFT:
392 var_Get( p_vout, "mouse-button-down", &val );
394 var_Set( p_vout, "mouse-button-down", val );
396 val.b_bool = VLC_TRUE;
397 var_Set( p_vout, "mouse-clicked", val );
400 case SDL_BUTTON_MIDDLE:
402 playlist_t *p_playlist;
404 var_Get( p_vout, "mouse-button-down", &val );
406 var_Set( p_vout, "mouse-button-down", val );
408 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
410 if( p_playlist != NULL )
413 var_Get( p_playlist, "intf-show", &val );
414 val.b_bool = !val.b_bool;
415 var_Set( p_playlist, "intf-show", val );
416 vlc_object_release( p_playlist );
421 case SDL_BUTTON_RIGHT:
423 intf_thread_t *p_intf;
424 playlist_t *p_playlist;
426 var_Get( p_vout, "mouse-button-down", &val );
428 var_Set( p_vout, "mous-button-down", val );
429 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
433 p_intf->b_menu_change = 1;
434 vlc_object_release( p_intf );
437 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
440 if( p_playlist != NULL )
443 val.b_bool = VLC_TRUE;
444 var_Set( p_playlist, "intf-popupmenu", val );
445 vlc_object_release( p_playlist );
452 /* Mouse button pressed */
453 case SDL_MOUSEBUTTONDOWN:
454 switch( event.button.button )
456 case SDL_BUTTON_LEFT:
457 var_Get( p_vout, "mouse-button-down", &val );
459 var_Set( p_vout, "mouse-button-down", val );
461 /* detect double-clicks */
462 if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
463 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
465 p_vout->p_sys->i_lastpressed = mdate();
468 case SDL_BUTTON_MIDDLE:
469 var_Get( p_vout, "mouse-button-down", &val );
471 var_Set( p_vout, "mouse-button-down", val );
474 case SDL_BUTTON_RIGHT:
475 var_Get( p_vout, "mouse-button-down", &val );
477 var_Set( p_vout, "mouse-button-down", val );
482 /* Quit event (close the window) */
485 playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
486 if( p_playlist != NULL )
488 playlist_Stop( p_playlist );
489 vlc_object_release( p_playlist );
496 val.i_int = ConvertKey( event.key.keysym.sym );
500 if( ( event.key.keysym.unicode & 0xff80 ) == 0 )
502 val.i_int = event.key.keysym.unicode & 0x7f;
508 if( ( event.key.keysym.mod & KMOD_SHIFT ) )
510 val.i_int |= KEY_MODIFIER_SHIFT;
512 if( ( event.key.keysym.mod & KMOD_CTRL ) )
514 val.i_int |= KEY_MODIFIER_CTRL;
516 if( ( event.key.keysym.mod & KMOD_ALT ) )
518 val.i_int |= KEY_MODIFIER_ALT;
520 var_Set( p_vout->p_libvlc, "key-pressed", val );
528 /* Fullscreen change */
529 if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
533 /* Update the object variable and trigger callback */
534 val_fs.b_bool = !p_vout->b_fullscreen;
535 p_vout->b_fullscreen = !p_vout->b_fullscreen;
536 var_Set( p_vout, "fullscreen", val_fs );
538 /*TODO: add the "always on top" code here !*/
540 p_vout->p_sys->b_cursor_autohidden = 0;
541 SDL_ShowCursor( p_vout->p_sys->b_cursor &&
542 ! p_vout->p_sys->b_cursor_autohidden );
544 p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
545 p_vout->i_changes |= VOUT_SIZE_CHANGE;
548 /* Crop or Aspect Ratio Changes */
549 if( p_vout->i_changes & VOUT_CROP_CHANGE ||
550 p_vout->i_changes & VOUT_ASPECT_CHANGE )
552 p_vout->i_changes &= ~VOUT_CROP_CHANGE;
553 p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
555 p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
556 p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
557 p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
558 p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
559 p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
560 p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
561 p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
562 p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
564 p_vout->i_changes |= VOUT_SIZE_CHANGE;
568 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
570 msg_Dbg( p_vout, "video display resized (%dx%d)",
571 p_vout->p_sys->i_width, p_vout->p_sys->i_height );
573 CloseDisplay( p_vout );
574 OpenDisplay( p_vout );
576 /* We don't need to signal the vout thread about the size change if
577 * we can handle rescaling ourselves */
578 if( p_vout->p_sys->p_overlay != NULL )
579 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
583 if( ! p_vout->p_sys->b_cursor_autohidden &&
584 ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) )
586 /* Hide the mouse automatically */
587 p_vout->p_sys->b_cursor_autohidden = 1;
594 /*****************************************************************************
595 * Key events handling
596 *****************************************************************************/
601 } sdlkeys_to_vlckeys[] =
612 { SDLK_F10, KEY_F10 },
613 { SDLK_F11, KEY_F11 },
614 { SDLK_F12, KEY_F12 },
616 { SDLK_RETURN, KEY_ENTER },
617 { SDLK_KP_ENTER, KEY_ENTER },
618 { SDLK_SPACE, KEY_SPACE },
619 { SDLK_ESCAPE, KEY_ESC },
621 { SDLK_MENU, KEY_MENU },
622 { SDLK_LEFT, KEY_LEFT },
623 { SDLK_RIGHT, KEY_RIGHT },
625 { SDLK_DOWN, KEY_DOWN },
627 { SDLK_HOME, KEY_HOME },
628 { SDLK_END, KEY_END },
629 { SDLK_PAGEUP, KEY_PAGEUP },
630 { SDLK_PAGEDOWN, KEY_PAGEDOWN },
632 { SDLK_INSERT, KEY_INSERT },
633 { SDLK_DELETE, KEY_DELETE },
634 /*TODO: find a equivalent for SDL
635 { , KEY_MEDIA_NEXT_TRACK }
636 { , KEY_MEDIA_PREV_TRACK }
637 { , KEY_VOLUME_MUTE }
638 { , KEY_VOLUME_DOWN }
640 { , KEY_MEDIA_PLAY_PAUSE }
641 { , KEY_MEDIA_PLAY_PAUSE }*/
646 static int ConvertKey( SDLKey sdl_key )
649 for( i=0; sdlkeys_to_vlckeys[i].sdl_key != 0; i++ )
651 if( sdlkeys_to_vlckeys[i].sdl_key == sdl_key )
653 return sdlkeys_to_vlckeys[i].i_vlckey;
660 /*****************************************************************************
661 * Display: displays previously rendered output
662 *****************************************************************************
663 * This function sends the currently rendered image to the display.
664 *****************************************************************************/
665 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
667 unsigned int x, y, w, h;
670 vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
677 if( p_vout->p_sys->p_overlay == NULL )
680 SDL_Flip( p_vout->p_sys->p_display );
684 /* Overlay picture */
685 SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
686 SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
687 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
691 /* following functions are local */
693 /*****************************************************************************
694 * OpenDisplay: open and initialize SDL device
695 *****************************************************************************
696 * Open and initialize display according to preferences specified in the vout
698 *****************************************************************************/
699 static int OpenDisplay( vout_thread_t *p_vout )
704 /* SDL fucked up fourcc definitions on bigendian machines */
705 uint32_t i_sdl_chroma;
706 char *psz_chroma = NULL;
707 uint32_t i_chroma = 0;
709 /* Set main window's size */
710 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->output.i_width :
711 p_vout->i_window_width;
712 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->output.i_height :
713 p_vout->i_window_height;
715 /* Initialize flags and cursor */
716 i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
717 i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
719 i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
720 SDL_DEFAULT_BPP, i_flags );
723 msg_Err( p_vout, "no video mode available" );
727 p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
728 p_vout->p_sys->i_height,
731 if( p_vout->p_sys->p_display == NULL )
733 msg_Err( p_vout, "cannot set video mode" );
737 SDL_LockSurface( p_vout->p_sys->p_display );
739 if( ( psz_chroma = config_GetPsz( p_vout, "sdl-chroma" ) ) )
741 if( strlen( psz_chroma ) >= 4 )
743 memcpy(&i_chroma, psz_chroma, 4);
744 msg_Dbg( p_vout, "Forcing chroma to 0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
753 /* Choose the chroma we will try first. */
756 if( !psz_chroma ) i_chroma = 0;
757 switch( i_chroma ? i_chroma : p_vout->render.i_chroma )
759 case VLC_FOURCC('Y','U','Y','2'):
760 case VLC_FOURCC('Y','U','N','V'):
761 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
762 i_sdl_chroma = SDL_YUY2_OVERLAY;
764 case VLC_FOURCC('U','Y','V','Y'):
765 case VLC_FOURCC('U','Y','N','V'):
766 case VLC_FOURCC('Y','4','2','2'):
767 p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
768 i_sdl_chroma = SDL_UYVY_OVERLAY;
770 case VLC_FOURCC('Y','V','Y','U'):
771 p_vout->output.i_chroma = VLC_FOURCC('Y','V','Y','U');
772 i_sdl_chroma = SDL_YVYU_OVERLAY;
774 case VLC_FOURCC('Y','V','1','2'):
775 case VLC_FOURCC('I','4','2','0'):
776 case VLC_FOURCC('I','Y','U','V'):
778 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
779 i_sdl_chroma = SDL_YV12_OVERLAY;
782 free( psz_chroma ); psz_chroma = NULL;
784 p_vout->p_sys->p_overlay =
785 SDL_CreateYUVOverlay( 32, 32, i_sdl_chroma,
786 p_vout->p_sys->p_display );
787 /* FIXME: if the first overlay we find is software, don't stop,
788 * because we may find a hardware one later ... */
790 while( i_chroma && !p_vout->p_sys->p_overlay );
793 /* If this best choice failed, fall back to other chromas */
794 if( p_vout->p_sys->p_overlay == NULL )
796 p_vout->output.i_chroma = VLC_FOURCC('I','Y','U','V');
797 p_vout->p_sys->p_overlay =
798 SDL_CreateYUVOverlay( 32, 32, SDL_IYUV_OVERLAY,
799 p_vout->p_sys->p_display );
802 if( p_vout->p_sys->p_overlay == NULL )
804 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
805 p_vout->p_sys->p_overlay =
806 SDL_CreateYUVOverlay( 32, 32, SDL_YV12_OVERLAY,
807 p_vout->p_sys->p_display );
810 if( p_vout->p_sys->p_overlay == NULL )
812 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
813 p_vout->p_sys->p_overlay =
814 SDL_CreateYUVOverlay( 32, 32, SDL_YUY2_OVERLAY,
815 p_vout->p_sys->p_display );
818 if( p_vout->p_sys->p_overlay == NULL )
820 msg_Warn( p_vout, "no SDL overlay for 0x%.8x (%4.4s)",
821 p_vout->render.i_chroma, (char*)&p_vout->render.i_chroma );
823 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
826 p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
827 p_vout->output.pf_setpalette = SetPalette;
830 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
833 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
836 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
839 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
842 msg_Err( p_vout, "unknown screen depth %i",
843 p_vout->p_sys->p_display->format->BitsPerPixel );
844 SDL_UnlockSurface( p_vout->p_sys->p_display );
845 SDL_FreeSurface( p_vout->p_sys->p_display );
849 p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
850 p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
851 p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
853 SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
854 VOUT_TITLE " (software RGB SDL output)" );
858 if( p_vout->p_sys->p_overlay->hw_overlay )
860 SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
861 VOUT_TITLE " (hardware YUV SDL output)" );
865 SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
866 VOUT_TITLE " (software YUV SDL output)" );
870 SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
875 /*****************************************************************************
876 * CloseDisplay: close and reset SDL device
877 *****************************************************************************
878 * This function returns all resources allocated by OpenDisplay and restore
879 * the original state of the device.
880 *****************************************************************************/
881 static void CloseDisplay( vout_thread_t *p_vout )
883 SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
884 SDL_UnlockSurface ( p_vout->p_sys->p_display );
885 SDL_FreeSurface( p_vout->p_sys->p_display );
888 /*****************************************************************************
889 * NewPicture: allocate a picture
890 *****************************************************************************
891 * Returns 0 on success, -1 otherwise
892 *****************************************************************************/
893 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
895 int i_width = p_vout->output.i_width;
896 int i_height = p_vout->output.i_height;
898 if( p_vout->p_sys->p_overlay == NULL )
901 if( p_vout->p_sys->i_surfaces )
903 /* We already allocated this surface, return */
907 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
909 if( p_pic->p_sys == NULL )
914 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
917 p_pic->p->i_pixel_pitch = 1;
921 p_pic->p->i_pixel_pitch = 2;
925 p_pic->p->i_pixel_pitch = 4;
931 p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
932 p_pic->p->i_lines = p_vout->p_sys->p_display->h;
933 p_pic->p->i_visible_lines = p_vout->p_sys->p_display->h;
934 p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
935 p_pic->p->i_visible_pitch =
936 p_pic->p->i_pixel_pitch * p_vout->p_sys->p_display->w;
938 p_vout->p_sys->i_surfaces++;
944 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
946 if( p_pic->p_sys == NULL )
951 p_pic->p_sys->p_overlay =
952 SDL_CreateYUVOverlay( i_width, i_height,
953 p_vout->output.i_chroma,
954 p_vout->p_sys->p_display );
956 if( p_pic->p_sys->p_overlay == NULL )
958 free( p_pic->p_sys );
962 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
964 p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
965 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
966 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h;
967 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
969 switch( p_vout->output.i_chroma )
971 case SDL_YV12_OVERLAY:
972 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
973 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
975 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
976 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
977 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
978 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
979 p_pic->p[U_PLANE].i_pixel_pitch = 1;
980 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
982 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
983 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
984 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
985 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
986 p_pic->p[V_PLANE].i_pixel_pitch = 1;
987 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
992 case SDL_IYUV_OVERLAY:
993 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
994 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
996 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
997 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
998 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
999 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
1000 p_pic->p[U_PLANE].i_pixel_pitch = 1;
1001 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1003 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
1004 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1005 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1006 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
1007 p_pic->p[V_PLANE].i_pixel_pitch = 1;
1008 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1010 p_pic->i_planes = 3;
1014 p_pic->p[Y_PLANE].i_pixel_pitch = 2;
1015 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w * 2;
1017 p_pic->i_planes = 1;
1025 /*****************************************************************************
1026 * SetPalette: sets an 8 bpp palette
1027 *****************************************************************************/
1028 static void SetPalette( vout_thread_t *p_vout,
1029 uint16_t *red, uint16_t *green, uint16_t *blue )
1031 SDL_Color colors[256];
1034 /* Fill colors with color information */
1035 for( i = 0; i < 256; i++ )
1037 colors[ i ].r = red[ i ] >> 8;
1038 colors[ i ].g = green[ i ] >> 8;
1039 colors[ i ].b = blue[ i ] >> 8;
1043 if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
1045 msg_Err( p_vout, "failed to set palette" );