1 /*****************************************************************************
2 * sdl.c: SDL video output display method
3 *****************************************************************************
4 * Copyright (C) 1998-2001 VideoLAN
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
29 #include <errno.h> /* ENOMEM */
30 #include <stdlib.h> /* free() */
31 #include <string.h> /* strerror() */
38 #include <sys/types.h>
40 # include <netinet/in.h> /* BSD: struct in_addr */
43 #include SDL_INCLUDE_FILE
45 #define SDL_MAX_DIRECTBUFFERS 10
46 #define SDL_DEFAULT_BPP 16
48 /*****************************************************************************
49 * vout_sys_t: video output SDL method descriptor
50 *****************************************************************************
51 * This structure is part of the video output thread descriptor.
52 * It describes the SDL specific properties of an output thread.
53 *****************************************************************************/
56 SDL_Surface * p_display; /* display device */
62 SDL_Overlay * p_overlay; /* An overlay we keep to grab the XVideo port */
68 vlc_bool_t b_cursor_autohidden;
70 mtime_t i_lastpressed; /* to track dbl-clicks */
73 /*****************************************************************************
74 * picture_sys_t: direct buffer method descriptor
75 *****************************************************************************
76 * This structure is part of the picture descriptor, it describes the
77 * SDL specific properties of a direct buffer.
78 *****************************************************************************/
81 SDL_Overlay *p_overlay;
84 /*****************************************************************************
86 *****************************************************************************/
87 static int Open ( vlc_object_t * );
88 static void Close ( vlc_object_t * );
89 static int Init ( vout_thread_t * );
90 static void End ( vout_thread_t * );
91 static int Manage ( vout_thread_t * );
92 static void Display ( vout_thread_t *, picture_t * );
94 static int OpenDisplay ( vout_thread_t * );
95 static void CloseDisplay ( vout_thread_t * );
96 static int NewPicture ( vout_thread_t *, picture_t * );
97 static void SetPalette ( vout_thread_t *,
98 uint16_t *, uint16_t *, uint16_t * );
100 /*****************************************************************************
102 *****************************************************************************/
104 set_shortname( "SDL" );
105 set_category( CAT_VIDEO );
106 set_subcategory( SUBCAT_VIDEO_VOUT );
107 set_description( _("Simple DirectMedia Layer video output") );
108 set_capability( "video output", 60 );
109 add_shortcut( "sdl" );
110 set_callbacks( Open, Close );
111 /* XXX: check for conflicts with the SDL audio output */
112 var_Create( p_module->p_libvlc, "sdl", VLC_VAR_MUTEX );
113 #if defined( __i386__ ) || defined( __x86_64__ )
114 /* On i386, SDL is linked against svgalib */
115 linked_with_a_crap_library_which_uses_atexit();
119 /*****************************************************************************
120 * OpenVideo: allocate SDL video thread output method
121 *****************************************************************************
122 * This function allocate and initialize a SDL vout method. It uses some of the
123 * vout properties to choose the correct mode, and change them according to the
124 * mode actually used.
125 *****************************************************************************/
126 static int Open ( vlc_object_t *p_this )
128 vout_thread_t * p_vout = (vout_thread_t *)p_this;
135 var_Get( p_this->p_libvlc, "sdl", &lockval );
136 vlc_mutex_lock( lockval.p_address );
138 if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
140 vlc_mutex_unlock( lockval.p_address );
144 /* Allocate structure */
145 p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
146 if( p_vout->p_sys == NULL )
148 msg_Err( p_vout, "out of memory" );
149 vlc_mutex_unlock( lockval.p_address );
153 p_vout->pf_init = Init;
154 p_vout->pf_end = End;
155 p_vout->pf_manage = Manage;
156 p_vout->pf_render = NULL;
157 p_vout->pf_display = Display;
160 psz_method = config_GetPsz( p_vout, "vout" );
163 while( *psz_method && *psz_method != ':' )
170 setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
175 /* Initialize library */
176 if( SDL_Init( SDL_INIT_VIDEO
178 /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
179 | SDL_INIT_EVENTTHREAD
182 /* In debug mode you may want vlc to dump a core instead of staying
184 | SDL_INIT_NOPARACHUTE
188 msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
189 free( p_vout->p_sys );
190 vlc_mutex_unlock( lockval.p_address );
194 vlc_mutex_unlock( lockval.p_address );
196 p_vout->p_sys->b_cursor = 1;
197 p_vout->p_sys->b_cursor_autohidden = 0;
198 p_vout->p_sys->i_lastmoved = mdate();
200 if( OpenDisplay( p_vout ) )
202 msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
203 SDL_QuitSubSystem( SDL_INIT_VIDEO );
204 free( p_vout->p_sys );
211 /*****************************************************************************
212 * Init: initialize SDL video thread output method
213 *****************************************************************************
214 * This function initialize the SDL display device.
215 *****************************************************************************/
216 static int Init( vout_thread_t *p_vout )
221 p_vout->p_sys->i_surfaces = 0;
223 I_OUTPUTPICTURES = 0;
225 /* Initialize the output structure */
226 if( p_vout->p_sys->p_overlay == NULL )
228 /* All we have is an RGB image with square pixels */
229 p_vout->output.i_width = p_vout->p_sys->i_width;
230 p_vout->output.i_height = p_vout->p_sys->i_height;
231 p_vout->output.i_aspect = p_vout->output.i_width
233 / p_vout->output.i_height;
237 /* We may need to convert the chroma, but at least we keep the
239 p_vout->output.i_width = p_vout->render.i_width;
240 p_vout->output.i_height = p_vout->render.i_height;
241 p_vout->output.i_aspect = p_vout->render.i_aspect;
244 /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
245 while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
249 /* Find an empty picture slot */
250 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
252 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
254 p_pic = p_vout->p_picture + i_index;
259 /* Allocate the picture if we found one */
260 if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
265 p_pic->i_status = DESTROYED_PICTURE;
266 p_pic->i_type = DIRECT_PICTURE;
268 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
276 /*****************************************************************************
277 * End: terminate Sys video thread output method
278 *****************************************************************************
279 * Terminate an output method created by OpenVideo
280 *****************************************************************************/
281 static void End( vout_thread_t *p_vout )
285 /* Free the output buffers we allocated */
286 for( i_index = I_OUTPUTPICTURES ; i_index ; )
289 if( p_vout->p_sys->p_overlay == NULL )
295 SDL_UnlockYUVOverlay(
296 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
298 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
300 free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
304 /*****************************************************************************
305 * CloseVideo: destroy Sys video thread output method
306 *****************************************************************************
307 * Terminate an output method created by vout_SDLCreate
308 *****************************************************************************/
309 static void Close ( vlc_object_t *p_this )
311 vout_thread_t * p_vout = (vout_thread_t *)p_this;
313 CloseDisplay( p_vout );
314 SDL_QuitSubSystem( SDL_INIT_VIDEO );
316 free( p_vout->p_sys );
319 /*****************************************************************************
320 * Manage: handle Sys events
321 *****************************************************************************
322 * This function should be called regularly by video output thread. It returns
323 * a non null value if an error occurred.
324 *****************************************************************************/
325 static int Manage( vout_thread_t *p_vout )
327 SDL_Event event; /* SDL event */
329 int i_width, i_height, i_x, i_y;
332 while( SDL_PollEvent(&event) )
336 case SDL_VIDEORESIZE: /* Resizing of window */
337 /* Update dimensions */
338 p_vout->i_changes |= VOUT_SIZE_CHANGE;
339 p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
340 p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
343 case SDL_MOUSEMOTION:
344 vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
345 p_vout->p_sys->i_height,
346 &i_x, &i_y, &i_width, &i_height );
348 val.i_int = ( event.motion.x - i_x )
349 * p_vout->render.i_width / i_width;
350 var_Set( p_vout, "mouse-x", val );
351 val.i_int = ( event.motion.y - i_y )
352 * p_vout->render.i_height / i_height;
353 var_Set( p_vout, "mouse-y", val );
355 val.b_bool = VLC_TRUE;
356 var_Set( p_vout, "mouse-moved", val );
358 if( p_vout->p_sys->b_cursor &&
359 (abs(event.motion.xrel) > 2 || abs(event.motion.yrel) > 2) )
361 if( p_vout->p_sys->b_cursor_autohidden )
363 p_vout->p_sys->b_cursor_autohidden = 0;
368 p_vout->p_sys->i_lastmoved = mdate();
373 case SDL_MOUSEBUTTONUP:
374 switch( event.button.button )
376 case SDL_BUTTON_LEFT:
377 val.b_bool = VLC_TRUE;
378 var_Set( p_vout, "mouse-clicked", val );
381 case SDL_BUTTON_RIGHT:
383 intf_thread_t *p_intf;
384 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
388 p_intf->b_menu_change = 1;
389 vlc_object_release( p_intf );
396 case SDL_MOUSEBUTTONDOWN:
397 switch( event.button.button )
399 case SDL_BUTTON_LEFT:
400 /* In this part we will eventually manage
401 * clicks for DVD navigation for instance. */
403 /* detect double-clicks */
404 if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
405 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
407 p_vout->p_sys->i_lastpressed = mdate();
419 p_vout->p_vlc->b_die = 1;
422 case SDL_KEYDOWN: /* if a key is pressed */
424 switch( event.key.keysym.sym )
427 if( p_vout->b_fullscreen )
429 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
433 p_vout->p_vlc->b_die = 1;
437 case SDLK_q: /* quit */
438 p_vout->p_vlc->b_die = 1;
441 case SDLK_f: /* switch to fullscreen */
442 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
445 case SDLK_c: /* toggle grayscale */
446 p_vout->b_grayscale = ! p_vout->b_grayscale;
447 p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
450 case SDLK_i: /* toggle info */
451 p_vout->b_info = ! p_vout->b_info;
452 p_vout->i_changes |= VOUT_INFO_CHANGE;
455 case SDLK_s: /* toggle scaling */
456 p_vout->b_scale = ! p_vout->b_scale;
457 p_vout->i_changes |= VOUT_SCALE_CHANGE;
460 case SDLK_SPACE: /* toggle interface */
461 p_vout->b_interface = ! p_vout->b_interface;
462 p_vout->i_changes |= VOUT_INTF_CHANGE;
467 intf_thread_t *p_intf;
468 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
472 p_intf->b_menu_change = 1;
473 vlc_object_release( p_intf );
492 audio_volume_t i_volume;
493 if ( !aout_VolumeDown( p_vout, 1, &i_volume ) )
495 msg_Dbg( p_vout, "audio volume is now %d", i_volume );
499 msg_Dbg( p_vout, "audio volume: operation not supported" );
506 audio_volume_t i_volume;
507 if ( !aout_VolumeUp( p_vout, 1, &i_volume ) )
509 msg_Dbg( p_vout, "audio volume is now %d", i_volume );
513 msg_Dbg( p_vout, "audio volume: operation not supported" );
528 /* Fullscreen change */
529 if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
531 p_vout->b_fullscreen = ! p_vout->b_fullscreen;
533 p_vout->p_sys->b_cursor_autohidden = 0;
534 SDL_ShowCursor( p_vout->p_sys->b_cursor &&
535 ! p_vout->p_sys->b_cursor_autohidden );
537 p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
538 p_vout->i_changes |= VOUT_SIZE_CHANGE;
544 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
546 msg_Dbg( p_vout, "video display resized (%dx%d)",
547 p_vout->p_sys->i_width, p_vout->p_sys->i_height );
549 CloseDisplay( p_vout );
550 OpenDisplay( p_vout );
552 /* We don't need to signal the vout thread about the size change if
553 * we can handle rescaling ourselves */
554 if( p_vout->p_sys->p_overlay != NULL )
555 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
560 if( ! p_vout->p_sys->b_cursor_autohidden &&
561 ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) )
563 /* Hide the mouse automatically */
564 p_vout->p_sys->b_cursor_autohidden = 1;
571 /*****************************************************************************
572 * Display: displays previously rendered output
573 *****************************************************************************
574 * This function sends the currently rendered image to the display.
575 *****************************************************************************/
576 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
581 vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
588 if( p_vout->p_sys->p_overlay == NULL )
591 SDL_Flip( p_vout->p_sys->p_display );
595 /* Overlay picture */
596 SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
597 SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
598 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
602 /* following functions are local */
604 /*****************************************************************************
605 * OpenDisplay: open and initialize SDL device
606 *****************************************************************************
607 * Open and initialize display according to preferences specified in the vout
609 *****************************************************************************/
610 static int OpenDisplay( vout_thread_t *p_vout )
615 /* SDL fucked up fourcc definitions on bigendian machines */
616 uint32_t i_sdl_chroma;
618 /* Set main window's size */
619 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->output.i_width :
620 p_vout->i_window_width;
621 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->output.i_height :
622 p_vout->i_window_height;
624 /* Initialize flags and cursor */
625 i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
626 i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
628 i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
629 SDL_DEFAULT_BPP, i_flags );
632 msg_Err( p_vout, "no video mode available" );
636 p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
637 p_vout->p_sys->i_height,
640 if( p_vout->p_sys->p_display == NULL )
642 msg_Err( p_vout, "cannot set video mode" );
646 SDL_LockSurface( p_vout->p_sys->p_display );
648 /* Choose the chroma we will try first. */
649 switch( p_vout->render.i_chroma )
651 case VLC_FOURCC('Y','U','Y','2'):
652 case VLC_FOURCC('Y','U','N','V'):
653 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
654 i_sdl_chroma = SDL_YUY2_OVERLAY;
656 case VLC_FOURCC('U','Y','V','Y'):
657 case VLC_FOURCC('U','Y','N','V'):
658 case VLC_FOURCC('Y','4','2','2'):
659 p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
660 i_sdl_chroma = SDL_UYVY_OVERLAY;
662 case VLC_FOURCC('Y','V','Y','U'):
663 p_vout->output.i_chroma = VLC_FOURCC('Y','V','Y','U');
664 i_sdl_chroma = SDL_YVYU_OVERLAY;
666 case VLC_FOURCC('Y','V','1','2'):
667 case VLC_FOURCC('I','4','2','0'):
668 case VLC_FOURCC('I','Y','U','V'):
670 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
671 i_sdl_chroma = SDL_YV12_OVERLAY;
675 p_vout->p_sys->p_overlay =
676 SDL_CreateYUVOverlay( 32, 32, i_sdl_chroma, p_vout->p_sys->p_display );
677 /* FIXME: if the first overlay we find is software, don't stop,
678 * because we may find a hardware one later ... */
680 /* If this best choice failed, fall back to other chromas */
681 if( p_vout->p_sys->p_overlay == NULL )
683 p_vout->output.i_chroma = VLC_FOURCC('I','Y','U','V');
684 p_vout->p_sys->p_overlay =
685 SDL_CreateYUVOverlay( 32, 32, SDL_IYUV_OVERLAY,
686 p_vout->p_sys->p_display );
689 if( p_vout->p_sys->p_overlay == NULL )
691 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
692 p_vout->p_sys->p_overlay =
693 SDL_CreateYUVOverlay( 32, 32, SDL_YV12_OVERLAY,
694 p_vout->p_sys->p_display );
697 if( p_vout->p_sys->p_overlay == NULL )
699 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
700 p_vout->p_sys->p_overlay =
701 SDL_CreateYUVOverlay( 32, 32, SDL_YUY2_OVERLAY,
702 p_vout->p_sys->p_display );
705 if( p_vout->p_sys->p_overlay == NULL )
707 msg_Warn( p_vout, "no SDL overlay for 0x%.8x (%4.4s)",
708 p_vout->render.i_chroma, (char*)&p_vout->render.i_chroma );
710 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
713 p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
714 p_vout->output.pf_setpalette = SetPalette;
717 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
720 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
723 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
726 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
729 msg_Err( p_vout, "unknown screen depth %i",
730 p_vout->p_sys->p_display->format->BitsPerPixel );
731 SDL_UnlockSurface( p_vout->p_sys->p_display );
732 SDL_FreeSurface( p_vout->p_sys->p_display );
736 p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
737 p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
738 p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
740 SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
741 VOUT_TITLE " (software RGB SDL output)" );
745 if( p_vout->p_sys->p_overlay->hw_overlay )
747 SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
748 VOUT_TITLE " (hardware YUV SDL output)" );
752 SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
753 VOUT_TITLE " (software YUV SDL output)" );
757 SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
762 /*****************************************************************************
763 * CloseDisplay: close and reset SDL device
764 *****************************************************************************
765 * This function returns all resources allocated by OpenDisplay and restore
766 * the original state of the device.
767 *****************************************************************************/
768 static void CloseDisplay( vout_thread_t *p_vout )
770 SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
771 SDL_UnlockSurface ( p_vout->p_sys->p_display );
772 SDL_FreeSurface( p_vout->p_sys->p_display );
775 /*****************************************************************************
776 * NewPicture: allocate a picture
777 *****************************************************************************
778 * Returns 0 on success, -1 otherwise
779 *****************************************************************************/
780 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
782 int i_width = p_vout->output.i_width;
783 int i_height = p_vout->output.i_height;
785 if( p_vout->p_sys->p_overlay == NULL )
788 if( p_vout->p_sys->i_surfaces )
790 /* We already allocated this surface, return */
794 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
796 if( p_pic->p_sys == NULL )
801 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
804 p_pic->p->i_pixel_pitch = 1;
808 p_pic->p->i_pixel_pitch = 2;
812 p_pic->p->i_pixel_pitch = 4;
818 p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
819 p_pic->p->i_lines = p_vout->p_sys->p_display->h;
820 p_pic->p->i_visible_lines = p_vout->p_sys->p_display->h;
821 p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
822 p_pic->p->i_visible_pitch =
823 p_pic->p->i_pixel_pitch * p_vout->p_sys->p_display->w;
825 p_vout->p_sys->i_surfaces++;
831 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
833 if( p_pic->p_sys == NULL )
838 p_pic->p_sys->p_overlay =
839 SDL_CreateYUVOverlay( i_width, i_height,
840 p_vout->output.i_chroma,
841 p_vout->p_sys->p_display );
843 if( p_pic->p_sys->p_overlay == NULL )
845 free( p_pic->p_sys );
849 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
851 p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
852 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
853 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h;
854 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
856 switch( p_vout->output.i_chroma )
858 case SDL_YV12_OVERLAY:
859 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
860 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
862 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
863 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
864 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
865 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
866 p_pic->p[U_PLANE].i_pixel_pitch = 1;
867 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
869 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
870 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
871 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
872 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
873 p_pic->p[V_PLANE].i_pixel_pitch = 1;
874 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
879 case SDL_IYUV_OVERLAY:
880 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
881 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
883 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
884 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
885 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
886 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
887 p_pic->p[U_PLANE].i_pixel_pitch = 1;
888 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
890 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
891 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
892 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
893 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
894 p_pic->p[V_PLANE].i_pixel_pitch = 1;
895 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
901 p_pic->p[Y_PLANE].i_pixel_pitch = 2;
902 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w * 2;
912 /*****************************************************************************
913 * SetPalette: sets an 8 bpp palette
914 *****************************************************************************/
915 static void SetPalette( vout_thread_t *p_vout,
916 uint16_t *red, uint16_t *green, uint16_t *blue )
918 SDL_Color colors[256];
921 /* Fill colors with color information */
922 for( i = 0; i < 256; i++ )
924 colors[ i ].r = red[ i ] >> 8;
925 colors[ i ].g = green[ i ] >> 8;
926 colors[ i ].b = blue[ i ] >> 8;
930 if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
932 msg_Err( p_vout, "failed setting palette" );