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_interface.h>
37 #include <vlc_playlist.h>
40 //#include <vlc_aout.h>
42 #include <sys/types.h>
44 # include <netinet/in.h> /* BSD: struct in_addr */
47 #include SDL_INCLUDE_FILE
49 /* SDL is not able to crop overlays - so use only 1 direct buffer */
50 #define SDL_MAX_DIRECTBUFFERS 1
51 #define SDL_DEFAULT_BPP 16
53 /*****************************************************************************
54 * vout_sys_t: video output SDL method descriptor
55 *****************************************************************************
56 * This structure is part of the video output thread descriptor.
57 * It describes the SDL specific properties of an output thread.
58 *****************************************************************************/
61 SDL_Surface * p_display; /* display device */
66 #if SDL_VERSION_ATLEAST(1,2,10)
67 unsigned int i_desktop_width;
68 unsigned int i_desktop_height;
72 SDL_Overlay * p_overlay; /* An overlay we keep to grab the XVideo port */
78 bool b_cursor_autohidden;
80 mtime_t i_mouse_hide_timeout;
81 mtime_t i_lastpressed; /* to track dbl-clicks */
84 /*****************************************************************************
85 * picture_sys_t: direct buffer method descriptor
86 *****************************************************************************
87 * This structure is part of the picture descriptor, it describes the
88 * SDL specific properties of a direct buffer.
89 *****************************************************************************/
92 SDL_Overlay *p_overlay;
95 /*****************************************************************************
97 *****************************************************************************/
98 static int Open ( vlc_object_t * );
99 static void Close ( vlc_object_t * );
100 static int Init ( vout_thread_t * );
101 static void End ( vout_thread_t * );
102 static int Manage ( vout_thread_t * );
103 static void Display ( vout_thread_t *, picture_t * );
105 static int OpenDisplay ( vout_thread_t * );
106 static void CloseDisplay ( vout_thread_t * );
107 static int NewPicture ( vout_thread_t *, picture_t * );
108 static void SetPalette ( vout_thread_t *,
109 uint16_t *, uint16_t *, uint16_t * );
111 static int ConvertKey( SDLKey );
114 #define CHROMA_TEXT N_("SDL chroma format")
115 #define CHROMA_LONGTEXT N_( \
116 "Force the SDL renderer to use a specific chroma format instead of " \
117 "trying to improve performances by using the most efficient one.")
119 /*****************************************************************************
121 *****************************************************************************/
123 set_shortname( "SDL" );
124 set_category( CAT_VIDEO );
125 set_subcategory( SUBCAT_VIDEO_VOUT );
126 set_description( _("Simple DirectMedia Layer video output") );
127 set_capability( "video output", 60 );
128 add_shortcut( "sdl" );
129 add_string( "sdl-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, true );
130 set_callbacks( Open, Close );
131 #if defined( __i386__ ) || defined( __x86_64__ )
132 /* On i386, SDL is linked against svgalib */
133 linked_with_a_crap_library_which_uses_atexit();
137 /*****************************************************************************
138 * OpenVideo: allocate SDL video thread output method
139 *****************************************************************************
140 * This function allocate and initialize a SDL vout method. It uses some of the
141 * vout properties to choose the correct mode, and change them according to the
142 * mode actually used.
143 *****************************************************************************/
144 static int Open ( vlc_object_t *p_this )
146 vout_thread_t * p_vout = (vout_thread_t *)p_this;
147 /* XXX: check for conflicts with the SDL audio output */
148 vlc_mutex_t *lock = var_AcquireMutex( "sdl" );
157 p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
158 if( p_vout->p_sys == NULL )
160 vlc_mutex_unlock( lock );
164 /* Check if SDL video module has been initialized */
165 if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
167 vlc_mutex_unlock( lock );
168 free( p_vout->p_sys );
172 /* Allocate structure */
173 p_vout->pf_init = Init;
174 p_vout->pf_end = End;
175 p_vout->pf_manage = Manage;
176 p_vout->pf_render = NULL;
177 p_vout->pf_display = Display;
178 p_vout->pf_control = NULL;
181 psz_method = config_GetPsz( p_vout, "vout" );
184 while( *psz_method && *psz_method != ':' )
191 setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
196 /* Initialize library */
197 if( SDL_Init( SDL_INIT_VIDEO
199 /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
200 | SDL_INIT_EVENTTHREAD
203 /* In debug mode you may want vlc to dump a core instead of staying
205 | SDL_INIT_NOPARACHUTE
209 msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
210 free( p_vout->p_sys );
211 vlc_mutex_unlock( lock );
215 vlc_mutex_unlock( lock );
217 /* Translate keys into unicode */
218 SDL_EnableUNICODE(1);
220 /* Get the desktop resolution */
221 #if SDL_VERSION_ATLEAST(1,2,10)
222 /* FIXME: SDL has a problem with virtual desktop */
223 p_vout->p_sys->i_desktop_width = SDL_GetVideoInfo()->current_w;
224 p_vout->p_sys->i_desktop_height = SDL_GetVideoInfo()->current_h;
227 /* Create the cursor */
228 p_vout->p_sys->b_cursor = 1;
229 p_vout->p_sys->b_cursor_autohidden = 0;
230 p_vout->p_sys->i_lastmoved = p_vout->p_sys->i_lastpressed = mdate();
231 p_vout->p_sys->i_mouse_hide_timeout =
232 var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
234 if( OpenDisplay( p_vout ) )
236 msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
237 SDL_QuitSubSystem( SDL_INIT_VIDEO );
238 free( p_vout->p_sys );
245 /*****************************************************************************
246 * Init: initialize SDL video thread output method
247 *****************************************************************************
248 * This function initialize the SDL display device.
249 *****************************************************************************/
250 static int Init( vout_thread_t *p_vout )
255 p_vout->p_sys->i_surfaces = 0;
257 I_OUTPUTPICTURES = 0;
259 /* Initialize the output structure */
260 if( p_vout->p_sys->p_overlay == NULL )
262 /* All we have is an RGB image with square pixels */
263 p_vout->output.i_width = p_vout->p_sys->i_width;
264 p_vout->output.i_height = p_vout->p_sys->i_height;
265 p_vout->output.i_aspect = p_vout->output.i_width
267 / p_vout->output.i_height;
271 /* We may need to convert the chroma, but at least we keep the
273 p_vout->output.i_width = p_vout->render.i_width;
274 p_vout->output.i_height = p_vout->render.i_height;
275 p_vout->output.i_aspect = p_vout->render.i_aspect;
278 /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
279 while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
283 /* Find an empty picture slot */
284 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
286 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
288 p_pic = p_vout->p_picture + i_index;
293 /* Allocate the picture if we found one */
294 if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
299 p_pic->i_status = DESTROYED_PICTURE;
300 p_pic->i_type = DIRECT_PICTURE;
302 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
310 /*****************************************************************************
311 * End: terminate Sys video thread output method
312 *****************************************************************************
313 * Terminate an output method created by OpenVideo
314 *****************************************************************************/
315 static void End( vout_thread_t *p_vout )
319 /* Free the output buffers we allocated */
320 for( i_index = I_OUTPUTPICTURES ; i_index ; )
323 if( p_vout->p_sys->p_overlay == NULL )
329 SDL_UnlockYUVOverlay(
330 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
332 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
334 free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
338 /*****************************************************************************
339 * CloseVideo: destroy Sys video thread output method
340 *****************************************************************************
341 * Terminate an output method created by vout_SDLCreate
342 *****************************************************************************/
343 static void Close ( vlc_object_t *p_this )
345 vout_thread_t * p_vout = (vout_thread_t *)p_this;
347 CloseDisplay( p_vout );
348 SDL_QuitSubSystem( SDL_INIT_VIDEO );
350 free( p_vout->p_sys );
353 /*****************************************************************************
354 * Manage: handle Sys events
355 *****************************************************************************
356 * This function should be called regularly by video output thread. It returns
357 * a non null value if an error occurred.
358 *****************************************************************************/
359 static int Manage( vout_thread_t *p_vout )
361 SDL_Event event; /* SDL event */
363 unsigned int i_width, i_height, i_x, i_y;
366 while( SDL_PollEvent( &event ) )
370 /* Resizing of window */
371 case SDL_VIDEORESIZE:
372 p_vout->i_changes |= VOUT_SIZE_CHANGE;
373 p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
374 p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
378 case SDL_MOUSEMOTION:
379 vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
380 p_vout->p_sys->i_height,
381 &i_x, &i_y, &i_width, &i_height );
383 /* Compute the x coordinate and check if the value is
384 in [0,p_vout->fmt_in.i_visible_width] */
385 val.i_int = ( event.motion.x - i_x ) *
386 p_vout->fmt_in.i_visible_width / i_width +
387 p_vout->fmt_in.i_x_offset;
389 if( (int)(event.motion.x - i_x) < 0 )
391 else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
392 val.i_int = p_vout->fmt_in.i_visible_width;
394 var_Set( p_vout, "mouse-x", val );
396 /* compute the y coordinate and check if the value is
397 in [0,p_vout->fmt_in.i_visible_height] */
398 val.i_int = ( event.motion.y - i_y ) *
399 p_vout->fmt_in.i_visible_height / i_height +
400 p_vout->fmt_in.i_y_offset;
402 if( (int)(event.motion.y - i_y) < 0 )
404 else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
405 val.i_int = p_vout->fmt_in.i_visible_height;
407 var_Set( p_vout, "mouse-y", val );
410 var_Set( p_vout, "mouse-moved", val );
412 if( p_vout->p_sys->b_cursor )
414 if( p_vout->p_sys->b_cursor_autohidden )
416 p_vout->p_sys->b_cursor_autohidden = 0;
421 p_vout->p_sys->i_lastmoved = mdate();
426 /* Mouse button released */
427 case SDL_MOUSEBUTTONUP:
428 switch( event.button.button )
430 case SDL_BUTTON_LEFT:
431 var_Get( p_vout, "mouse-button-down", &val );
433 var_Set( p_vout, "mouse-button-down", val );
436 var_Set( p_vout, "mouse-clicked", val );
439 case SDL_BUTTON_MIDDLE:
441 playlist_t *p_playlist;
443 var_Get( p_vout, "mouse-button-down", &val );
445 var_Set( p_vout, "mouse-button-down", val );
447 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
449 if( p_playlist != NULL )
452 var_Get( p_playlist, "intf-show", &val );
453 val.b_bool = !val.b_bool;
454 var_Set( p_playlist, "intf-show", val );
455 vlc_object_release( p_playlist );
460 case SDL_BUTTON_RIGHT:
462 intf_thread_t *p_intf;
463 playlist_t *p_playlist;
465 var_Get( p_vout, "mouse-button-down", &val );
467 var_Set( p_vout, "mous-button-down", val );
468 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
472 p_intf->b_menu_change = 1;
473 vlc_object_release( p_intf );
476 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
479 if( p_playlist != NULL )
483 var_Set( p_playlist, "intf-popupmenu", val );
484 vlc_object_release( p_playlist );
491 /* Mouse button pressed */
492 case SDL_MOUSEBUTTONDOWN:
493 switch( event.button.button )
495 case SDL_BUTTON_LEFT:
496 var_Get( p_vout, "mouse-button-down", &val );
498 var_Set( p_vout, "mouse-button-down", val );
500 /* detect double-clicks */
501 if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
502 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
504 p_vout->p_sys->i_lastpressed = mdate();
507 case SDL_BUTTON_MIDDLE:
508 var_Get( p_vout, "mouse-button-down", &val );
510 var_Set( p_vout, "mouse-button-down", val );
513 case SDL_BUTTON_RIGHT:
514 var_Get( p_vout, "mouse-button-down", &val );
516 var_Set( p_vout, "mouse-button-down", val );
521 /* Quit event (close the window) */
524 playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
525 if( p_playlist != NULL )
527 playlist_Stop( p_playlist );
528 vlc_object_release( p_playlist );
535 /* convert the key if possible */
536 val.i_int = ConvertKey( event.key.keysym.sym );
540 /* Find the right caracter */
541 if( ( event.key.keysym.unicode & 0xff80 ) == 0 )
543 val.i_int = event.key.keysym.unicode & 0x7f;
544 /* FIXME: find a better solution than this
545 hack to find the right caracter */
546 if( val.i_int >= 1 && val.i_int <= 26 )
548 else if( val.i_int >= 65 && val.i_int <= 90 )
555 if( ( event.key.keysym.mod & KMOD_SHIFT ) )
557 val.i_int |= KEY_MODIFIER_SHIFT;
559 if( ( event.key.keysym.mod & KMOD_CTRL ) )
561 val.i_int |= KEY_MODIFIER_CTRL;
563 if( ( event.key.keysym.mod & KMOD_ALT ) )
565 val.i_int |= KEY_MODIFIER_ALT;
567 var_Set( p_vout->p_libvlc, "key-pressed", val );
575 /* Fullscreen change */
576 if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
580 /* Update the object variable and trigger callback */
581 val_fs.b_bool = !p_vout->b_fullscreen;
582 p_vout->b_fullscreen = !p_vout->b_fullscreen;
583 var_Set( p_vout, "fullscreen", val_fs );
585 /*TODO: add the "always on top" code here !*/
587 p_vout->p_sys->b_cursor_autohidden = 0;
588 SDL_ShowCursor( p_vout->p_sys->b_cursor &&
589 ! p_vout->p_sys->b_cursor_autohidden );
591 p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
592 p_vout->i_changes |= VOUT_SIZE_CHANGE;
595 /* Crop or Aspect Ratio Changes */
596 if( p_vout->i_changes & VOUT_CROP_CHANGE ||
597 p_vout->i_changes & VOUT_ASPECT_CHANGE )
599 p_vout->i_changes &= ~VOUT_CROP_CHANGE;
600 p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
602 p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
603 p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
604 p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
605 p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
606 p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
607 p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
608 p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
609 p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
611 p_vout->i_changes |= VOUT_SIZE_CHANGE;
615 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
617 msg_Dbg( p_vout, "video display resized (%dx%d)",
618 p_vout->p_sys->i_width, p_vout->p_sys->i_height );
620 CloseDisplay( p_vout );
621 OpenDisplay( p_vout );
623 /* We don't need to signal the vout thread about the size change if
624 * we can handle rescaling ourselves */
625 if( p_vout->p_sys->p_overlay != NULL )
626 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
630 if( ! p_vout->p_sys->b_cursor_autohidden &&
631 ( mdate() - p_vout->p_sys->i_lastmoved >
632 p_vout->p_sys->i_mouse_hide_timeout ) )
634 /* Hide the mouse automatically */
635 p_vout->p_sys->b_cursor_autohidden = 1;
642 /*****************************************************************************
643 * Key events handling
644 *****************************************************************************/
649 } sdlkeys_to_vlckeys[] =
660 { SDLK_F10, KEY_F10 },
661 { SDLK_F11, KEY_F11 },
662 { SDLK_F12, KEY_F12 },
664 { SDLK_RETURN, KEY_ENTER },
665 { SDLK_KP_ENTER, KEY_ENTER },
666 { SDLK_SPACE, KEY_SPACE },
667 { SDLK_ESCAPE, KEY_ESC },
669 { SDLK_MENU, KEY_MENU },
670 { SDLK_LEFT, KEY_LEFT },
671 { SDLK_RIGHT, KEY_RIGHT },
673 { SDLK_DOWN, KEY_DOWN },
675 { SDLK_HOME, KEY_HOME },
676 { SDLK_END, KEY_END },
677 { SDLK_PAGEUP, KEY_PAGEUP },
678 { SDLK_PAGEDOWN, KEY_PAGEDOWN },
680 { SDLK_INSERT, KEY_INSERT },
681 { SDLK_DELETE, KEY_DELETE },
682 /*TODO: find a equivalent for SDL
683 { , KEY_MEDIA_NEXT_TRACK }
684 { , KEY_MEDIA_PREV_TRACK }
685 { , KEY_VOLUME_MUTE }
686 { , KEY_VOLUME_DOWN }
688 { , KEY_MEDIA_PLAY_PAUSE }
689 { , KEY_MEDIA_PLAY_PAUSE }*/
694 static int ConvertKey( SDLKey sdl_key )
697 for( i=0; sdlkeys_to_vlckeys[i].sdl_key != 0; i++ )
699 if( sdlkeys_to_vlckeys[i].sdl_key == sdl_key )
701 return sdlkeys_to_vlckeys[i].i_vlckey;
708 /*****************************************************************************
709 * Display: displays previously rendered output
710 *****************************************************************************
711 * This function sends the currently rendered image to the display.
712 *****************************************************************************/
713 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
715 unsigned int x, y, w, h;
718 vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
725 if( p_vout->p_sys->p_overlay == NULL )
728 SDL_Flip( p_vout->p_sys->p_display );
732 /* Overlay picture */
733 SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
734 SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
735 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
739 /* following functions are local */
741 /*****************************************************************************
742 * OpenDisplay: open and initialize SDL device
743 *****************************************************************************
744 * Open and initialize display according to preferences specified in the vout
746 *****************************************************************************/
747 static int OpenDisplay( vout_thread_t *p_vout )
752 /* SDL fucked up fourcc definitions on bigendian machines */
753 uint32_t i_sdl_chroma;
754 char *psz_chroma = NULL;
755 uint32_t i_chroma = 0;
757 /* Set main window's size */
758 #if SDL_VERSION_ATLEAST(1,2,10)
759 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_width :
760 p_vout->i_window_width;
761 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_height :
762 p_vout->i_window_height;
764 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->output.i_width :
765 p_vout->i_window_width;
766 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->output.i_height :
767 p_vout->i_window_height;
770 /* Initialize flags and cursor */
771 i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
772 i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
774 i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
775 SDL_DEFAULT_BPP, i_flags );
778 msg_Err( p_vout, "no video mode available" );
782 p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
783 p_vout->p_sys->i_height,
786 if( p_vout->p_sys->p_display == NULL )
788 msg_Err( p_vout, "cannot set video mode" );
792 SDL_LockSurface( p_vout->p_sys->p_display );
794 if( ( psz_chroma = config_GetPsz( p_vout, "sdl-chroma" ) ) )
796 if( strlen( psz_chroma ) >= 4 )
798 memcpy(&i_chroma, psz_chroma, 4);
799 msg_Dbg( p_vout, "Forcing chroma to 0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
808 /* Choose the chroma we will try first. */
811 if( !psz_chroma ) i_chroma = 0;
812 switch( i_chroma ? i_chroma : p_vout->render.i_chroma )
814 case VLC_FOURCC('Y','U','Y','2'):
815 case VLC_FOURCC('Y','U','N','V'):
816 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
817 i_sdl_chroma = SDL_YUY2_OVERLAY;
819 case VLC_FOURCC('U','Y','V','Y'):
820 case VLC_FOURCC('U','Y','N','V'):
821 case VLC_FOURCC('Y','4','2','2'):
822 p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
823 i_sdl_chroma = SDL_UYVY_OVERLAY;
825 case VLC_FOURCC('Y','V','Y','U'):
826 p_vout->output.i_chroma = VLC_FOURCC('Y','V','Y','U');
827 i_sdl_chroma = SDL_YVYU_OVERLAY;
829 case VLC_FOURCC('Y','V','1','2'):
830 case VLC_FOURCC('I','4','2','0'):
831 case VLC_FOURCC('I','Y','U','V'):
833 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
834 i_sdl_chroma = SDL_YV12_OVERLAY;
837 free( psz_chroma ); psz_chroma = NULL;
839 p_vout->p_sys->p_overlay =
840 SDL_CreateYUVOverlay( 32, 32, i_sdl_chroma,
841 p_vout->p_sys->p_display );
842 /* FIXME: if the first overlay we find is software, don't stop,
843 * because we may find a hardware one later ... */
845 while( i_chroma && !p_vout->p_sys->p_overlay );
848 /* If this best choice failed, fall back to other chromas */
849 if( p_vout->p_sys->p_overlay == NULL )
851 p_vout->output.i_chroma = VLC_FOURCC('I','Y','U','V');
852 p_vout->p_sys->p_overlay =
853 SDL_CreateYUVOverlay( 32, 32, SDL_IYUV_OVERLAY,
854 p_vout->p_sys->p_display );
857 if( p_vout->p_sys->p_overlay == NULL )
859 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
860 p_vout->p_sys->p_overlay =
861 SDL_CreateYUVOverlay( 32, 32, SDL_YV12_OVERLAY,
862 p_vout->p_sys->p_display );
865 if( p_vout->p_sys->p_overlay == NULL )
867 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
868 p_vout->p_sys->p_overlay =
869 SDL_CreateYUVOverlay( 32, 32, SDL_YUY2_OVERLAY,
870 p_vout->p_sys->p_display );
873 if( p_vout->p_sys->p_overlay == NULL )
875 msg_Warn( p_vout, "no SDL overlay for 0x%.8x (%4.4s)",
876 p_vout->render.i_chroma, (char*)&p_vout->render.i_chroma );
878 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
881 p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
882 p_vout->output.pf_setpalette = SetPalette;
885 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
888 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
891 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
894 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
897 msg_Err( p_vout, "unknown screen depth %i",
898 p_vout->p_sys->p_display->format->BitsPerPixel );
899 SDL_UnlockSurface( p_vout->p_sys->p_display );
900 SDL_FreeSurface( p_vout->p_sys->p_display );
904 p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
905 p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
906 p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
908 SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
909 VOUT_TITLE " (software RGB SDL output)" );
913 if( p_vout->p_sys->p_overlay->hw_overlay )
915 SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
916 VOUT_TITLE " (hardware YUV SDL output)" );
920 SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
921 VOUT_TITLE " (software YUV SDL output)" );
925 SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
930 /*****************************************************************************
931 * CloseDisplay: close and reset SDL device
932 *****************************************************************************
933 * This function returns all resources allocated by OpenDisplay and restore
934 * the original state of the device.
935 *****************************************************************************/
936 static void CloseDisplay( vout_thread_t *p_vout )
938 SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
939 SDL_UnlockSurface ( p_vout->p_sys->p_display );
940 SDL_FreeSurface( p_vout->p_sys->p_display );
943 /*****************************************************************************
944 * NewPicture: allocate a picture
945 *****************************************************************************
946 * Returns 0 on success, -1 otherwise
947 *****************************************************************************/
948 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
950 int i_width = p_vout->output.i_width;
951 int i_height = p_vout->output.i_height;
953 if( p_vout->p_sys->p_overlay == NULL )
956 if( p_vout->p_sys->i_surfaces )
958 /* We already allocated this surface, return */
962 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
964 if( p_pic->p_sys == NULL )
969 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
972 p_pic->p->i_pixel_pitch = 1;
976 p_pic->p->i_pixel_pitch = 2;
980 p_pic->p->i_pixel_pitch = 4;
986 p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
987 p_pic->p->i_lines = p_vout->p_sys->p_display->h;
988 p_pic->p->i_visible_lines = p_vout->p_sys->p_display->h;
989 p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
990 p_pic->p->i_visible_pitch =
991 p_pic->p->i_pixel_pitch * p_vout->p_sys->p_display->w;
993 p_vout->p_sys->i_surfaces++;
999 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1001 if( p_pic->p_sys == NULL )
1006 p_pic->p_sys->p_overlay =
1007 SDL_CreateYUVOverlay( i_width, i_height,
1008 p_vout->output.i_chroma,
1009 p_vout->p_sys->p_display );
1011 if( p_pic->p_sys->p_overlay == NULL )
1013 free( p_pic->p_sys );
1014 return VLC_EGENERIC;
1017 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
1019 p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
1020 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
1021 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h;
1022 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
1024 switch( p_vout->output.i_chroma )
1026 case SDL_YV12_OVERLAY:
1027 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1028 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
1030 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
1031 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1032 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1033 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
1034 p_pic->p[U_PLANE].i_pixel_pitch = 1;
1035 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1037 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
1038 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1039 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1040 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
1041 p_pic->p[V_PLANE].i_pixel_pitch = 1;
1042 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1044 p_pic->i_planes = 3;
1047 case SDL_IYUV_OVERLAY:
1048 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1049 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
1051 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
1052 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1053 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1054 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
1055 p_pic->p[U_PLANE].i_pixel_pitch = 1;
1056 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1058 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
1059 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1060 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1061 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
1062 p_pic->p[V_PLANE].i_pixel_pitch = 1;
1063 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1065 p_pic->i_planes = 3;
1069 p_pic->p[Y_PLANE].i_pixel_pitch = 2;
1070 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w * 2;
1072 p_pic->i_planes = 1;
1080 /*****************************************************************************
1081 * SetPalette: sets an 8 bpp palette
1082 *****************************************************************************/
1083 static void SetPalette( vout_thread_t *p_vout,
1084 uint16_t *red, uint16_t *green, uint16_t *blue )
1086 SDL_Color colors[256];
1089 /* Fill colors with color information */
1090 for( i = 0; i < 256; i++ )
1092 colors[ i ].r = red[ i ] >> 8;
1093 colors[ i ].g = green[ i ] >> 8;
1094 colors[ i ].b = blue[ i ] >> 8;
1098 if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
1100 msg_Err( p_vout, "failed to set palette" );