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 #if SDL_VERSION_ATLEAST(1,2,10)
63 unsigned int i_desktop_width;
64 unsigned int i_desktop_height;
68 SDL_Overlay * p_overlay; /* An overlay we keep to grab the XVideo port */
74 vlc_bool_t b_cursor_autohidden;
76 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 /* Check if SDL video module has been initialized */
160 if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
162 vlc_mutex_unlock( lock );
163 free( p_vout->p_sys );
167 /* Allocate structure */
168 p_vout->pf_init = Init;
169 p_vout->pf_end = End;
170 p_vout->pf_manage = Manage;
171 p_vout->pf_render = NULL;
172 p_vout->pf_display = Display;
173 p_vout->pf_control = NULL;
176 psz_method = config_GetPsz( p_vout, "vout" );
179 while( *psz_method && *psz_method != ':' )
186 setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
191 /* Initialize library */
192 if( SDL_Init( SDL_INIT_VIDEO
194 /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
195 | SDL_INIT_EVENTTHREAD
198 /* In debug mode you may want vlc to dump a core instead of staying
200 | SDL_INIT_NOPARACHUTE
204 msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
205 free( p_vout->p_sys );
206 vlc_mutex_unlock( lock );
210 vlc_mutex_unlock( lock );
212 /* Translate keys into unicode */
213 SDL_EnableUNICODE(1);
215 /* Get the desktop resolution */
216 #if SDL_VERSION_ATLEAST(1,2,10)
217 /* FIXME: SDL has a problem with virtual desktop */
218 p_vout->p_sys->i_desktop_width = SDL_GetVideoInfo()->current_w;
219 p_vout->p_sys->i_desktop_height = SDL_GetVideoInfo()->current_h;
222 /* Create the cursor */
223 p_vout->p_sys->b_cursor = 1;
224 p_vout->p_sys->b_cursor_autohidden = 0;
225 p_vout->p_sys->i_lastmoved = p_vout->p_sys->i_lastpressed = mdate();
227 if( OpenDisplay( p_vout ) )
229 msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
230 SDL_QuitSubSystem( SDL_INIT_VIDEO );
231 free( p_vout->p_sys );
238 /*****************************************************************************
239 * Init: initialize SDL video thread output method
240 *****************************************************************************
241 * This function initialize the SDL display device.
242 *****************************************************************************/
243 static int Init( vout_thread_t *p_vout )
248 p_vout->p_sys->i_surfaces = 0;
250 I_OUTPUTPICTURES = 0;
252 /* Initialize the output structure */
253 if( p_vout->p_sys->p_overlay == NULL )
255 /* All we have is an RGB image with square pixels */
256 p_vout->output.i_width = p_vout->p_sys->i_width;
257 p_vout->output.i_height = p_vout->p_sys->i_height;
258 p_vout->output.i_aspect = p_vout->output.i_width
260 / p_vout->output.i_height;
264 /* We may need to convert the chroma, but at least we keep the
266 p_vout->output.i_width = p_vout->render.i_width;
267 p_vout->output.i_height = p_vout->render.i_height;
268 p_vout->output.i_aspect = p_vout->render.i_aspect;
271 /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
272 while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
276 /* Find an empty picture slot */
277 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
279 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
281 p_pic = p_vout->p_picture + i_index;
286 /* Allocate the picture if we found one */
287 if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
292 p_pic->i_status = DESTROYED_PICTURE;
293 p_pic->i_type = DIRECT_PICTURE;
295 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
303 /*****************************************************************************
304 * End: terminate Sys video thread output method
305 *****************************************************************************
306 * Terminate an output method created by OpenVideo
307 *****************************************************************************/
308 static void End( vout_thread_t *p_vout )
312 /* Free the output buffers we allocated */
313 for( i_index = I_OUTPUTPICTURES ; i_index ; )
316 if( p_vout->p_sys->p_overlay == NULL )
322 SDL_UnlockYUVOverlay(
323 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
325 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
327 free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
331 /*****************************************************************************
332 * CloseVideo: destroy Sys video thread output method
333 *****************************************************************************
334 * Terminate an output method created by vout_SDLCreate
335 *****************************************************************************/
336 static void Close ( vlc_object_t *p_this )
338 vout_thread_t * p_vout = (vout_thread_t *)p_this;
340 CloseDisplay( p_vout );
341 SDL_QuitSubSystem( SDL_INIT_VIDEO );
343 free( p_vout->p_sys );
346 /*****************************************************************************
347 * Manage: handle Sys events
348 *****************************************************************************
349 * This function should be called regularly by video output thread. It returns
350 * a non null value if an error occurred.
351 *****************************************************************************/
352 static int Manage( vout_thread_t *p_vout )
354 SDL_Event event; /* SDL event */
356 unsigned int i_width, i_height, i_x, i_y;
359 while( SDL_PollEvent( &event ) )
363 /* Resizing of window */
364 case SDL_VIDEORESIZE:
365 p_vout->i_changes |= VOUT_SIZE_CHANGE;
366 p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
367 p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
371 case SDL_MOUSEMOTION:
372 vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
373 p_vout->p_sys->i_height,
374 &i_x, &i_y, &i_width, &i_height );
376 /* Compute the x coordinate and check if the value is
377 in [0,p_vout->fmt_in.i_visible_width] */
378 val.i_int = ( event.motion.x - i_x ) *
379 p_vout->fmt_in.i_visible_width / i_width +
380 p_vout->fmt_in.i_x_offset;
382 if( (int)(event.motion.x - i_x) < 0 )
384 else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
385 val.i_int = p_vout->fmt_in.i_visible_width;
387 var_Set( p_vout, "mouse-x", val );
389 /* compute the y coordinate and check if the value is
390 in [0,p_vout->fmt_in.i_visible_height] */
391 val.i_int = ( event.motion.y - i_y ) *
392 p_vout->fmt_in.i_visible_height / i_height +
393 p_vout->fmt_in.i_y_offset;
395 if( (int)(event.motion.y - i_y) < 0 )
397 else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
398 val.i_int = p_vout->fmt_in.i_visible_height;
400 var_Set( p_vout, "mouse-y", val );
402 val.b_bool = VLC_TRUE;
403 var_Set( p_vout, "mouse-moved", val );
405 if( p_vout->p_sys->b_cursor )
407 if( p_vout->p_sys->b_cursor_autohidden )
409 p_vout->p_sys->b_cursor_autohidden = 0;
414 p_vout->p_sys->i_lastmoved = mdate();
419 /* Mouse button released */
420 case SDL_MOUSEBUTTONUP:
421 switch( event.button.button )
423 case SDL_BUTTON_LEFT:
424 var_Get( p_vout, "mouse-button-down", &val );
426 var_Set( p_vout, "mouse-button-down", val );
428 val.b_bool = VLC_TRUE;
429 var_Set( p_vout, "mouse-clicked", val );
432 case SDL_BUTTON_MIDDLE:
434 playlist_t *p_playlist;
436 var_Get( p_vout, "mouse-button-down", &val );
438 var_Set( p_vout, "mouse-button-down", val );
440 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
442 if( p_playlist != NULL )
445 var_Get( p_playlist, "intf-show", &val );
446 val.b_bool = !val.b_bool;
447 var_Set( p_playlist, "intf-show", val );
448 vlc_object_release( p_playlist );
453 case SDL_BUTTON_RIGHT:
455 intf_thread_t *p_intf;
456 playlist_t *p_playlist;
458 var_Get( p_vout, "mouse-button-down", &val );
460 var_Set( p_vout, "mous-button-down", val );
461 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
465 p_intf->b_menu_change = 1;
466 vlc_object_release( p_intf );
469 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
472 if( p_playlist != NULL )
475 val.b_bool = VLC_TRUE;
476 var_Set( p_playlist, "intf-popupmenu", val );
477 vlc_object_release( p_playlist );
484 /* Mouse button pressed */
485 case SDL_MOUSEBUTTONDOWN:
486 switch( event.button.button )
488 case SDL_BUTTON_LEFT:
489 var_Get( p_vout, "mouse-button-down", &val );
491 var_Set( p_vout, "mouse-button-down", val );
493 /* detect double-clicks */
494 if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
495 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
497 p_vout->p_sys->i_lastpressed = mdate();
500 case SDL_BUTTON_MIDDLE:
501 var_Get( p_vout, "mouse-button-down", &val );
503 var_Set( p_vout, "mouse-button-down", val );
506 case SDL_BUTTON_RIGHT:
507 var_Get( p_vout, "mouse-button-down", &val );
509 var_Set( p_vout, "mouse-button-down", val );
514 /* Quit event (close the window) */
517 playlist_t *p_playlist = (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
518 if( p_playlist != NULL )
520 playlist_Stop( p_playlist );
521 vlc_object_release( p_playlist );
528 /* convert the key if possible */
529 val.i_int = ConvertKey( event.key.keysym.sym );
533 /* Find the right caracter */
534 if( ( event.key.keysym.unicode & 0xff80 ) == 0 )
536 val.i_int = event.key.keysym.unicode & 0x7f;
537 /* FIXME: find a better solution than this
538 hack to find the right caracter */
539 if( val.i_int >= 1 && val.i_int <= 26 )
541 else if( val.i_int >= 65 && val.i_int <= 90 )
548 if( ( event.key.keysym.mod & KMOD_SHIFT ) )
550 val.i_int |= KEY_MODIFIER_SHIFT;
552 if( ( event.key.keysym.mod & KMOD_CTRL ) )
554 val.i_int |= KEY_MODIFIER_CTRL;
556 if( ( event.key.keysym.mod & KMOD_ALT ) )
558 val.i_int |= KEY_MODIFIER_ALT;
560 var_Set( p_vout->p_libvlc, "key-pressed", val );
568 /* Fullscreen change */
569 if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
573 /* Update the object variable and trigger callback */
574 val_fs.b_bool = !p_vout->b_fullscreen;
575 p_vout->b_fullscreen = !p_vout->b_fullscreen;
576 var_Set( p_vout, "fullscreen", val_fs );
578 /*TODO: add the "always on top" code here !*/
580 p_vout->p_sys->b_cursor_autohidden = 0;
581 SDL_ShowCursor( p_vout->p_sys->b_cursor &&
582 ! p_vout->p_sys->b_cursor_autohidden );
584 p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
585 p_vout->i_changes |= VOUT_SIZE_CHANGE;
588 /* Crop or Aspect Ratio Changes */
589 if( p_vout->i_changes & VOUT_CROP_CHANGE ||
590 p_vout->i_changes & VOUT_ASPECT_CHANGE )
592 p_vout->i_changes &= ~VOUT_CROP_CHANGE;
593 p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
595 p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
596 p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
597 p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
598 p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
599 p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
600 p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
601 p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
602 p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
604 p_vout->i_changes |= VOUT_SIZE_CHANGE;
608 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
610 msg_Dbg( p_vout, "video display resized (%dx%d)",
611 p_vout->p_sys->i_width, p_vout->p_sys->i_height );
613 CloseDisplay( p_vout );
614 OpenDisplay( p_vout );
616 /* We don't need to signal the vout thread about the size change if
617 * we can handle rescaling ourselves */
618 if( p_vout->p_sys->p_overlay != NULL )
619 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
623 if( ! p_vout->p_sys->b_cursor_autohidden &&
624 ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) )
626 /* Hide the mouse automatically */
627 p_vout->p_sys->b_cursor_autohidden = 1;
634 /*****************************************************************************
635 * Key events handling
636 *****************************************************************************/
641 } sdlkeys_to_vlckeys[] =
652 { SDLK_F10, KEY_F10 },
653 { SDLK_F11, KEY_F11 },
654 { SDLK_F12, KEY_F12 },
656 { SDLK_RETURN, KEY_ENTER },
657 { SDLK_KP_ENTER, KEY_ENTER },
658 { SDLK_SPACE, KEY_SPACE },
659 { SDLK_ESCAPE, KEY_ESC },
661 { SDLK_MENU, KEY_MENU },
662 { SDLK_LEFT, KEY_LEFT },
663 { SDLK_RIGHT, KEY_RIGHT },
665 { SDLK_DOWN, KEY_DOWN },
667 { SDLK_HOME, KEY_HOME },
668 { SDLK_END, KEY_END },
669 { SDLK_PAGEUP, KEY_PAGEUP },
670 { SDLK_PAGEDOWN, KEY_PAGEDOWN },
672 { SDLK_INSERT, KEY_INSERT },
673 { SDLK_DELETE, KEY_DELETE },
674 /*TODO: find a equivalent for SDL
675 { , KEY_MEDIA_NEXT_TRACK }
676 { , KEY_MEDIA_PREV_TRACK }
677 { , KEY_VOLUME_MUTE }
678 { , KEY_VOLUME_DOWN }
680 { , KEY_MEDIA_PLAY_PAUSE }
681 { , KEY_MEDIA_PLAY_PAUSE }*/
686 static int ConvertKey( SDLKey sdl_key )
689 for( i=0; sdlkeys_to_vlckeys[i].sdl_key != 0; i++ )
691 if( sdlkeys_to_vlckeys[i].sdl_key == sdl_key )
693 return sdlkeys_to_vlckeys[i].i_vlckey;
700 /*****************************************************************************
701 * Display: displays previously rendered output
702 *****************************************************************************
703 * This function sends the currently rendered image to the display.
704 *****************************************************************************/
705 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
707 unsigned int x, y, w, h;
710 vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
717 if( p_vout->p_sys->p_overlay == NULL )
720 SDL_Flip( p_vout->p_sys->p_display );
724 /* Overlay picture */
725 SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
726 SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
727 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
731 /* following functions are local */
733 /*****************************************************************************
734 * OpenDisplay: open and initialize SDL device
735 *****************************************************************************
736 * Open and initialize display according to preferences specified in the vout
738 *****************************************************************************/
739 static int OpenDisplay( vout_thread_t *p_vout )
744 /* SDL fucked up fourcc definitions on bigendian machines */
745 uint32_t i_sdl_chroma;
746 char *psz_chroma = NULL;
747 uint32_t i_chroma = 0;
749 /* Set main window's size */
750 #if SDL_VERSION_ATLEAST(1,2,10)
751 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_width :
752 p_vout->i_window_width;
753 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_height :
754 p_vout->i_window_height;
756 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->output.i_width :
757 p_vout->i_window_width;
758 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->output.i_height :
759 p_vout->i_window_height;
762 /* Initialize flags and cursor */
763 i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
764 i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
766 i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
767 SDL_DEFAULT_BPP, i_flags );
770 msg_Err( p_vout, "no video mode available" );
774 p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
775 p_vout->p_sys->i_height,
778 if( p_vout->p_sys->p_display == NULL )
780 msg_Err( p_vout, "cannot set video mode" );
784 SDL_LockSurface( p_vout->p_sys->p_display );
786 if( ( psz_chroma = config_GetPsz( p_vout, "sdl-chroma" ) ) )
788 if( strlen( psz_chroma ) >= 4 )
790 memcpy(&i_chroma, psz_chroma, 4);
791 msg_Dbg( p_vout, "Forcing chroma to 0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
800 /* Choose the chroma we will try first. */
803 if( !psz_chroma ) i_chroma = 0;
804 switch( i_chroma ? i_chroma : p_vout->render.i_chroma )
806 case VLC_FOURCC('Y','U','Y','2'):
807 case VLC_FOURCC('Y','U','N','V'):
808 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
809 i_sdl_chroma = SDL_YUY2_OVERLAY;
811 case VLC_FOURCC('U','Y','V','Y'):
812 case VLC_FOURCC('U','Y','N','V'):
813 case VLC_FOURCC('Y','4','2','2'):
814 p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
815 i_sdl_chroma = SDL_UYVY_OVERLAY;
817 case VLC_FOURCC('Y','V','Y','U'):
818 p_vout->output.i_chroma = VLC_FOURCC('Y','V','Y','U');
819 i_sdl_chroma = SDL_YVYU_OVERLAY;
821 case VLC_FOURCC('Y','V','1','2'):
822 case VLC_FOURCC('I','4','2','0'):
823 case VLC_FOURCC('I','Y','U','V'):
825 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
826 i_sdl_chroma = SDL_YV12_OVERLAY;
829 free( psz_chroma ); psz_chroma = NULL;
831 p_vout->p_sys->p_overlay =
832 SDL_CreateYUVOverlay( 32, 32, i_sdl_chroma,
833 p_vout->p_sys->p_display );
834 /* FIXME: if the first overlay we find is software, don't stop,
835 * because we may find a hardware one later ... */
837 while( i_chroma && !p_vout->p_sys->p_overlay );
840 /* If this best choice failed, fall back to other chromas */
841 if( p_vout->p_sys->p_overlay == NULL )
843 p_vout->output.i_chroma = VLC_FOURCC('I','Y','U','V');
844 p_vout->p_sys->p_overlay =
845 SDL_CreateYUVOverlay( 32, 32, SDL_IYUV_OVERLAY,
846 p_vout->p_sys->p_display );
849 if( p_vout->p_sys->p_overlay == NULL )
851 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
852 p_vout->p_sys->p_overlay =
853 SDL_CreateYUVOverlay( 32, 32, SDL_YV12_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','U','Y','2');
860 p_vout->p_sys->p_overlay =
861 SDL_CreateYUVOverlay( 32, 32, SDL_YUY2_OVERLAY,
862 p_vout->p_sys->p_display );
865 if( p_vout->p_sys->p_overlay == NULL )
867 msg_Warn( p_vout, "no SDL overlay for 0x%.8x (%4.4s)",
868 p_vout->render.i_chroma, (char*)&p_vout->render.i_chroma );
870 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
873 p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
874 p_vout->output.pf_setpalette = SetPalette;
877 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
880 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
883 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
886 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
889 msg_Err( p_vout, "unknown screen depth %i",
890 p_vout->p_sys->p_display->format->BitsPerPixel );
891 SDL_UnlockSurface( p_vout->p_sys->p_display );
892 SDL_FreeSurface( p_vout->p_sys->p_display );
896 p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
897 p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
898 p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
900 SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
901 VOUT_TITLE " (software RGB SDL output)" );
905 if( p_vout->p_sys->p_overlay->hw_overlay )
907 SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
908 VOUT_TITLE " (hardware YUV SDL output)" );
912 SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
913 VOUT_TITLE " (software YUV SDL output)" );
917 SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
922 /*****************************************************************************
923 * CloseDisplay: close and reset SDL device
924 *****************************************************************************
925 * This function returns all resources allocated by OpenDisplay and restore
926 * the original state of the device.
927 *****************************************************************************/
928 static void CloseDisplay( vout_thread_t *p_vout )
930 SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
931 SDL_UnlockSurface ( p_vout->p_sys->p_display );
932 SDL_FreeSurface( p_vout->p_sys->p_display );
935 /*****************************************************************************
936 * NewPicture: allocate a picture
937 *****************************************************************************
938 * Returns 0 on success, -1 otherwise
939 *****************************************************************************/
940 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
942 int i_width = p_vout->output.i_width;
943 int i_height = p_vout->output.i_height;
945 if( p_vout->p_sys->p_overlay == NULL )
948 if( p_vout->p_sys->i_surfaces )
950 /* We already allocated this surface, return */
954 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
956 if( p_pic->p_sys == NULL )
961 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
964 p_pic->p->i_pixel_pitch = 1;
968 p_pic->p->i_pixel_pitch = 2;
972 p_pic->p->i_pixel_pitch = 4;
978 p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
979 p_pic->p->i_lines = p_vout->p_sys->p_display->h;
980 p_pic->p->i_visible_lines = p_vout->p_sys->p_display->h;
981 p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
982 p_pic->p->i_visible_pitch =
983 p_pic->p->i_pixel_pitch * p_vout->p_sys->p_display->w;
985 p_vout->p_sys->i_surfaces++;
991 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
993 if( p_pic->p_sys == NULL )
998 p_pic->p_sys->p_overlay =
999 SDL_CreateYUVOverlay( i_width, i_height,
1000 p_vout->output.i_chroma,
1001 p_vout->p_sys->p_display );
1003 if( p_pic->p_sys->p_overlay == NULL )
1005 free( p_pic->p_sys );
1006 return VLC_EGENERIC;
1009 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
1011 p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
1012 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
1013 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h;
1014 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
1016 switch( p_vout->output.i_chroma )
1018 case SDL_YV12_OVERLAY:
1019 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1020 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
1022 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
1023 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1024 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1025 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
1026 p_pic->p[U_PLANE].i_pixel_pitch = 1;
1027 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1029 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
1030 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1031 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1032 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
1033 p_pic->p[V_PLANE].i_pixel_pitch = 1;
1034 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1036 p_pic->i_planes = 3;
1039 case SDL_IYUV_OVERLAY:
1040 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
1041 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
1043 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
1044 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1045 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1046 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
1047 p_pic->p[U_PLANE].i_pixel_pitch = 1;
1048 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1050 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
1051 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
1052 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
1053 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
1054 p_pic->p[V_PLANE].i_pixel_pitch = 1;
1055 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
1057 p_pic->i_planes = 3;
1061 p_pic->p[Y_PLANE].i_pixel_pitch = 2;
1062 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w * 2;
1064 p_pic->i_planes = 1;
1072 /*****************************************************************************
1073 * SetPalette: sets an 8 bpp palette
1074 *****************************************************************************/
1075 static void SetPalette( vout_thread_t *p_vout,
1076 uint16_t *red, uint16_t *green, uint16_t *blue )
1078 SDL_Color colors[256];
1081 /* Fill colors with color information */
1082 for( i = 0; i < 256; i++ )
1084 colors[ i ].r = red[ i ] >> 8;
1085 colors[ i ].g = green[ i ] >> 8;
1086 colors[ i ].b = blue[ i ] >> 8;
1090 if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
1092 msg_Err( p_vout, "failed to set palette" );