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 */
30 #include <stdlib.h> /* free() */
31 #include <string.h> /* strerror() */
34 #include <vlc_interface.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 /*****************************************************************************
103 *****************************************************************************/
105 set_shortname( "SDL" );
106 set_category( CAT_VIDEO );
107 set_subcategory( SUBCAT_VIDEO_VOUT );
108 set_description( _("Simple DirectMedia Layer video output") );
109 set_capability( "video output", 60 );
110 add_shortcut( "sdl" );
111 set_callbacks( Open, Close );
112 /* XXX: check for conflicts with the SDL audio output */
113 var_Create( p_module->p_libvlc_global, "sdl", VLC_VAR_MUTEX );
114 #if defined( __i386__ ) || defined( __x86_64__ )
115 /* On i386, SDL is linked against svgalib */
116 linked_with_a_crap_library_which_uses_atexit();
120 /*****************************************************************************
121 * OpenVideo: allocate SDL video thread output method
122 *****************************************************************************
123 * This function allocate and initialize a SDL vout method. It uses some of the
124 * vout properties to choose the correct mode, and change them according to the
125 * mode actually used.
126 *****************************************************************************/
127 static int Open ( vlc_object_t *p_this )
129 vout_thread_t * p_vout = (vout_thread_t *)p_this;
136 var_Get( p_this->p_libvlc_global, "sdl", &lockval );
137 vlc_mutex_lock( lockval.p_address );
139 if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
141 vlc_mutex_unlock( lockval.p_address );
145 /* Allocate structure */
146 p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
147 if( p_vout->p_sys == NULL )
149 msg_Err( p_vout, "out of memory" );
150 vlc_mutex_unlock( lockval.p_address );
154 p_vout->pf_init = Init;
155 p_vout->pf_end = End;
156 p_vout->pf_manage = Manage;
157 p_vout->pf_render = NULL;
158 p_vout->pf_display = Display;
161 psz_method = config_GetPsz( p_vout, "vout" );
164 while( *psz_method && *psz_method != ':' )
171 setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
176 /* Initialize library */
177 if( SDL_Init( SDL_INIT_VIDEO
179 /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
180 | SDL_INIT_EVENTTHREAD
183 /* In debug mode you may want vlc to dump a core instead of staying
185 | SDL_INIT_NOPARACHUTE
189 msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
190 free( p_vout->p_sys );
191 vlc_mutex_unlock( lockval.p_address );
195 vlc_mutex_unlock( lockval.p_address );
197 p_vout->p_sys->b_cursor = 1;
198 p_vout->p_sys->b_cursor_autohidden = 0;
199 p_vout->p_sys->i_lastmoved = mdate();
201 if( OpenDisplay( p_vout ) )
203 msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
204 SDL_QuitSubSystem( SDL_INIT_VIDEO );
205 free( p_vout->p_sys );
212 /*****************************************************************************
213 * Init: initialize SDL video thread output method
214 *****************************************************************************
215 * This function initialize the SDL display device.
216 *****************************************************************************/
217 static int Init( vout_thread_t *p_vout )
222 p_vout->p_sys->i_surfaces = 0;
224 I_OUTPUTPICTURES = 0;
226 /* Initialize the output structure */
227 if( p_vout->p_sys->p_overlay == NULL )
229 /* All we have is an RGB image with square pixels */
230 p_vout->output.i_width = p_vout->p_sys->i_width;
231 p_vout->output.i_height = p_vout->p_sys->i_height;
232 p_vout->output.i_aspect = p_vout->output.i_width
234 / p_vout->output.i_height;
238 /* We may need to convert the chroma, but at least we keep the
240 p_vout->output.i_width = p_vout->render.i_width;
241 p_vout->output.i_height = p_vout->render.i_height;
242 p_vout->output.i_aspect = p_vout->render.i_aspect;
245 /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
246 while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
250 /* Find an empty picture slot */
251 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
253 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
255 p_pic = p_vout->p_picture + i_index;
260 /* Allocate the picture if we found one */
261 if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
266 p_pic->i_status = DESTROYED_PICTURE;
267 p_pic->i_type = DIRECT_PICTURE;
269 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
277 /*****************************************************************************
278 * End: terminate Sys video thread output method
279 *****************************************************************************
280 * Terminate an output method created by OpenVideo
281 *****************************************************************************/
282 static void End( vout_thread_t *p_vout )
286 /* Free the output buffers we allocated */
287 for( i_index = I_OUTPUTPICTURES ; i_index ; )
290 if( p_vout->p_sys->p_overlay == NULL )
296 SDL_UnlockYUVOverlay(
297 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
299 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
301 free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
305 /*****************************************************************************
306 * CloseVideo: destroy Sys video thread output method
307 *****************************************************************************
308 * Terminate an output method created by vout_SDLCreate
309 *****************************************************************************/
310 static void Close ( vlc_object_t *p_this )
312 vout_thread_t * p_vout = (vout_thread_t *)p_this;
314 CloseDisplay( p_vout );
315 SDL_QuitSubSystem( SDL_INIT_VIDEO );
317 free( p_vout->p_sys );
320 /*****************************************************************************
321 * Manage: handle Sys events
322 *****************************************************************************
323 * This function should be called regularly by video output thread. It returns
324 * a non null value if an error occurred.
325 *****************************************************************************/
326 static int Manage( vout_thread_t *p_vout )
328 SDL_Event event; /* SDL event */
330 unsigned int i_width, i_height, i_x, i_y;
333 while( SDL_PollEvent(&event) )
337 case SDL_VIDEORESIZE: /* Resizing of window */
338 /* Update dimensions */
339 p_vout->i_changes |= VOUT_SIZE_CHANGE;
340 p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
341 p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
344 case SDL_MOUSEMOTION:
345 vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
346 p_vout->p_sys->i_height,
347 &i_x, &i_y, &i_width, &i_height );
349 val.i_int = ( event.motion.x - i_x )
350 * p_vout->render.i_width / i_width;
351 var_Set( p_vout, "mouse-x", val );
352 val.i_int = ( event.motion.y - i_y )
353 * p_vout->render.i_height / i_height;
354 var_Set( p_vout, "mouse-y", val );
356 val.b_bool = VLC_TRUE;
357 var_Set( p_vout, "mouse-moved", val );
359 if( p_vout->p_sys->b_cursor &&
360 (abs(event.motion.xrel) > 2 || abs(event.motion.yrel) > 2) )
362 if( p_vout->p_sys->b_cursor_autohidden )
364 p_vout->p_sys->b_cursor_autohidden = 0;
369 p_vout->p_sys->i_lastmoved = mdate();
374 case SDL_MOUSEBUTTONUP:
375 switch( event.button.button )
377 case SDL_BUTTON_LEFT:
378 val.b_bool = VLC_TRUE;
379 var_Set( p_vout, "mouse-clicked", val );
382 case SDL_BUTTON_RIGHT:
384 intf_thread_t *p_intf;
385 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
389 p_intf->b_menu_change = 1;
390 vlc_object_release( p_intf );
397 case SDL_MOUSEBUTTONDOWN:
398 switch( event.button.button )
400 case SDL_BUTTON_LEFT:
401 /* In this part we will eventually manage
402 * clicks for DVD navigation for instance. */
404 /* detect double-clicks */
405 if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
406 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
408 p_vout->p_sys->i_lastpressed = mdate();
420 p_vout->p_libvlc->b_die = 1;
423 case SDL_KEYDOWN: /* if a key is pressed */
425 switch( event.key.keysym.sym )
428 if( p_vout->b_fullscreen )
430 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
434 p_vout->p_libvlc->b_die = 1;
438 case SDLK_q: /* quit */
439 p_vout->p_libvlc->b_die = 1;
442 case SDLK_f: /* switch to fullscreen */
443 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
446 case SDLK_c: /* toggle grayscale */
447 p_vout->b_grayscale = ! p_vout->b_grayscale;
448 p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
451 case SDLK_i: /* toggle info */
452 p_vout->b_info = ! p_vout->b_info;
453 p_vout->i_changes |= VOUT_INFO_CHANGE;
456 case SDLK_s: /* toggle scaling */
457 p_vout->b_scale = ! p_vout->b_scale;
458 p_vout->i_changes |= VOUT_SCALE_CHANGE;
461 case SDLK_SPACE: /* toggle interface */
462 p_vout->b_interface = ! p_vout->b_interface;
463 p_vout->i_changes |= VOUT_INTF_CHANGE;
468 intf_thread_t *p_intf;
469 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
473 p_intf->b_menu_change = 1;
474 vlc_object_release( p_intf );
493 audio_volume_t i_volume;
494 if ( !aout_VolumeDown( p_vout, 1, &i_volume ) )
496 msg_Dbg( p_vout, "audio volume is now %d", i_volume );
500 msg_Dbg( p_vout, "audio volume: operation not supported" );
507 audio_volume_t i_volume;
508 if ( !aout_VolumeUp( p_vout, 1, &i_volume ) )
510 msg_Dbg( p_vout, "audio volume is now %d", i_volume );
514 msg_Dbg( p_vout, "audio volume: operation not supported" );
529 /* Fullscreen change */
530 if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
532 p_vout->b_fullscreen = ! p_vout->b_fullscreen;
534 p_vout->p_sys->b_cursor_autohidden = 0;
535 SDL_ShowCursor( p_vout->p_sys->b_cursor &&
536 ! p_vout->p_sys->b_cursor_autohidden );
538 p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
539 p_vout->i_changes |= VOUT_SIZE_CHANGE;
545 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
547 msg_Dbg( p_vout, "video display resized (%dx%d)",
548 p_vout->p_sys->i_width, p_vout->p_sys->i_height );
550 CloseDisplay( p_vout );
551 OpenDisplay( p_vout );
553 /* We don't need to signal the vout thread about the size change if
554 * we can handle rescaling ourselves */
555 if( p_vout->p_sys->p_overlay != NULL )
556 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
561 if( ! p_vout->p_sys->b_cursor_autohidden &&
562 ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) )
564 /* Hide the mouse automatically */
565 p_vout->p_sys->b_cursor_autohidden = 1;
572 /*****************************************************************************
573 * Display: displays previously rendered output
574 *****************************************************************************
575 * This function sends the currently rendered image to the display.
576 *****************************************************************************/
577 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
579 unsigned int x, y, w, h;
582 vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
589 if( p_vout->p_sys->p_overlay == NULL )
592 SDL_Flip( p_vout->p_sys->p_display );
596 /* Overlay picture */
597 SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
598 SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
599 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
603 /* following functions are local */
605 /*****************************************************************************
606 * OpenDisplay: open and initialize SDL device
607 *****************************************************************************
608 * Open and initialize display according to preferences specified in the vout
610 *****************************************************************************/
611 static int OpenDisplay( vout_thread_t *p_vout )
616 /* SDL fucked up fourcc definitions on bigendian machines */
617 uint32_t i_sdl_chroma;
619 /* Set main window's size */
620 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->output.i_width :
621 p_vout->i_window_width;
622 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->output.i_height :
623 p_vout->i_window_height;
625 /* Initialize flags and cursor */
626 i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
627 i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
629 i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
630 SDL_DEFAULT_BPP, i_flags );
633 msg_Err( p_vout, "no video mode available" );
637 p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
638 p_vout->p_sys->i_height,
641 if( p_vout->p_sys->p_display == NULL )
643 msg_Err( p_vout, "cannot set video mode" );
647 SDL_LockSurface( p_vout->p_sys->p_display );
649 /* Choose the chroma we will try first. */
650 switch( p_vout->render.i_chroma )
652 case VLC_FOURCC('Y','U','Y','2'):
653 case VLC_FOURCC('Y','U','N','V'):
654 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
655 i_sdl_chroma = SDL_YUY2_OVERLAY;
657 case VLC_FOURCC('U','Y','V','Y'):
658 case VLC_FOURCC('U','Y','N','V'):
659 case VLC_FOURCC('Y','4','2','2'):
660 p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
661 i_sdl_chroma = SDL_UYVY_OVERLAY;
663 case VLC_FOURCC('Y','V','Y','U'):
664 p_vout->output.i_chroma = VLC_FOURCC('Y','V','Y','U');
665 i_sdl_chroma = SDL_YVYU_OVERLAY;
667 case VLC_FOURCC('Y','V','1','2'):
668 case VLC_FOURCC('I','4','2','0'):
669 case VLC_FOURCC('I','Y','U','V'):
671 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
672 i_sdl_chroma = SDL_YV12_OVERLAY;
676 p_vout->p_sys->p_overlay =
677 SDL_CreateYUVOverlay( 32, 32, i_sdl_chroma, p_vout->p_sys->p_display );
678 /* FIXME: if the first overlay we find is software, don't stop,
679 * because we may find a hardware one later ... */
681 /* If this best choice failed, fall back to other chromas */
682 if( p_vout->p_sys->p_overlay == NULL )
684 p_vout->output.i_chroma = VLC_FOURCC('I','Y','U','V');
685 p_vout->p_sys->p_overlay =
686 SDL_CreateYUVOverlay( 32, 32, SDL_IYUV_OVERLAY,
687 p_vout->p_sys->p_display );
690 if( p_vout->p_sys->p_overlay == NULL )
692 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
693 p_vout->p_sys->p_overlay =
694 SDL_CreateYUVOverlay( 32, 32, SDL_YV12_OVERLAY,
695 p_vout->p_sys->p_display );
698 if( p_vout->p_sys->p_overlay == NULL )
700 p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
701 p_vout->p_sys->p_overlay =
702 SDL_CreateYUVOverlay( 32, 32, SDL_YUY2_OVERLAY,
703 p_vout->p_sys->p_display );
706 if( p_vout->p_sys->p_overlay == NULL )
708 msg_Warn( p_vout, "no SDL overlay for 0x%.8x (%4.4s)",
709 p_vout->render.i_chroma, (char*)&p_vout->render.i_chroma );
711 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
714 p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
715 p_vout->output.pf_setpalette = SetPalette;
718 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
721 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
724 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
727 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
730 msg_Err( p_vout, "unknown screen depth %i",
731 p_vout->p_sys->p_display->format->BitsPerPixel );
732 SDL_UnlockSurface( p_vout->p_sys->p_display );
733 SDL_FreeSurface( p_vout->p_sys->p_display );
737 p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
738 p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
739 p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
741 SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
742 VOUT_TITLE " (software RGB SDL output)" );
746 if( p_vout->p_sys->p_overlay->hw_overlay )
748 SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
749 VOUT_TITLE " (hardware YUV SDL output)" );
753 SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
754 VOUT_TITLE " (software YUV SDL output)" );
758 SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
763 /*****************************************************************************
764 * CloseDisplay: close and reset SDL device
765 *****************************************************************************
766 * This function returns all resources allocated by OpenDisplay and restore
767 * the original state of the device.
768 *****************************************************************************/
769 static void CloseDisplay( vout_thread_t *p_vout )
771 SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
772 SDL_UnlockSurface ( p_vout->p_sys->p_display );
773 SDL_FreeSurface( p_vout->p_sys->p_display );
776 /*****************************************************************************
777 * NewPicture: allocate a picture
778 *****************************************************************************
779 * Returns 0 on success, -1 otherwise
780 *****************************************************************************/
781 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
783 int i_width = p_vout->output.i_width;
784 int i_height = p_vout->output.i_height;
786 if( p_vout->p_sys->p_overlay == NULL )
789 if( p_vout->p_sys->i_surfaces )
791 /* We already allocated this surface, return */
795 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
797 if( p_pic->p_sys == NULL )
802 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
805 p_pic->p->i_pixel_pitch = 1;
809 p_pic->p->i_pixel_pitch = 2;
813 p_pic->p->i_pixel_pitch = 4;
819 p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
820 p_pic->p->i_lines = p_vout->p_sys->p_display->h;
821 p_pic->p->i_visible_lines = p_vout->p_sys->p_display->h;
822 p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
823 p_pic->p->i_visible_pitch =
824 p_pic->p->i_pixel_pitch * p_vout->p_sys->p_display->w;
826 p_vout->p_sys->i_surfaces++;
832 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
834 if( p_pic->p_sys == NULL )
839 p_pic->p_sys->p_overlay =
840 SDL_CreateYUVOverlay( i_width, i_height,
841 p_vout->output.i_chroma,
842 p_vout->p_sys->p_display );
844 if( p_pic->p_sys->p_overlay == NULL )
846 free( p_pic->p_sys );
850 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
852 p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
853 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
854 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h;
855 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
857 switch( p_vout->output.i_chroma )
859 case SDL_YV12_OVERLAY:
860 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
861 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
863 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
864 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
865 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
866 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
867 p_pic->p[U_PLANE].i_pixel_pitch = 1;
868 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
870 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
871 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
872 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
873 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
874 p_pic->p[V_PLANE].i_pixel_pitch = 1;
875 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
880 case SDL_IYUV_OVERLAY:
881 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
882 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
884 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
885 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
886 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
887 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
888 p_pic->p[U_PLANE].i_pixel_pitch = 1;
889 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
891 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
892 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
893 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
894 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
895 p_pic->p[V_PLANE].i_pixel_pitch = 1;
896 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
902 p_pic->p[Y_PLANE].i_pixel_pitch = 2;
903 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w * 2;
913 /*****************************************************************************
914 * SetPalette: sets an 8 bpp palette
915 *****************************************************************************/
916 static void SetPalette( vout_thread_t *p_vout,
917 uint16_t *red, uint16_t *green, uint16_t *blue )
919 SDL_Color colors[256];
922 /* Fill colors with color information */
923 for( i = 0; i < 256; i++ )
925 colors[ i ].r = red[ i ] >> 8;
926 colors[ i ].g = green[ i ] >> 8;
927 colors[ i ].b = blue[ i ] >> 8;
931 if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
933 msg_Err( p_vout, "failed to set palette" );