1 /*****************************************************************************
2 * sdl.c: SDL video output display method
3 *****************************************************************************
4 * Copyright (C) 1998-2001 VideoLAN
5 * $Id: sdl.c,v 1.4 2002/10/17 16:48:41 sam Exp $
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() */
37 #include <sys/types.h>
39 # include <netinet/in.h> /* BSD: struct in_addr */
42 #include SDL_INCLUDE_FILE
46 #define SDL_MAX_DIRECTBUFFERS 10
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 *, u16 *, u16 *, u16 * );
100 /*****************************************************************************
102 *****************************************************************************/
104 set_description( _("Simple DirectMedia Layer video module") );
105 set_capability( "video output", 40 );
106 add_shortcut( "sdl" );
107 set_callbacks( Open, Close );
110 /*****************************************************************************
111 * OpenVideo: allocate SDL video thread output method
112 *****************************************************************************
113 * This function allocate and initialize a SDL vout method. It uses some of the
114 * vout properties to choose the correct mode, and change them according to the
115 * mode actually used.
116 *****************************************************************************/
117 static int Open ( vlc_object_t *p_this )
119 vout_thread_t * p_vout = (vout_thread_t *)p_this;
125 if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
130 /* Allocate structure */
131 p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
132 if( p_vout->p_sys == NULL )
134 msg_Err( p_vout, "out of memory" );
138 p_vout->pf_init = Init;
139 p_vout->pf_end = End;
140 p_vout->pf_manage = Manage;
141 p_vout->pf_render = NULL;
142 p_vout->pf_display = Display;
145 psz_method = config_GetPsz( p_vout, "vout" );
148 while( *psz_method && *psz_method != ':' )
155 setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
160 /* Initialize library */
161 if( SDL_Init( SDL_INIT_VIDEO
163 /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
164 | SDL_INIT_EVENTTHREAD
167 /* In debug mode you may want vlc to dump a core instead of staying
169 | SDL_INIT_NOPARACHUTE
173 msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
174 free( p_vout->p_sys );
178 p_vout->p_sys->b_cursor = 1;
179 p_vout->p_sys->b_cursor_autohidden = 0;
180 p_vout->p_sys->i_lastmoved = mdate();
182 if( OpenDisplay( p_vout ) )
184 msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
185 SDL_QuitSubSystem( SDL_INIT_VIDEO );
186 free( p_vout->p_sys );
193 /*****************************************************************************
194 * Init: initialize SDL video thread output method
195 *****************************************************************************
196 * This function initialize the SDL display device.
197 *****************************************************************************/
198 static int Init( vout_thread_t *p_vout )
203 p_vout->p_sys->i_surfaces = 0;
205 I_OUTPUTPICTURES = 0;
207 /* Initialize the output structure */
208 if( p_vout->p_sys->p_overlay == NULL )
210 /* All we have is an RGB image with square pixels */
211 p_vout->output.i_width = p_vout->p_sys->i_width;
212 p_vout->output.i_height = p_vout->p_sys->i_height;
213 p_vout->output.i_aspect = p_vout->output.i_width
215 / p_vout->output.i_height;
219 /* We may need to convert the chroma, but at least we keep the
221 p_vout->output.i_width = p_vout->render.i_width;
222 p_vout->output.i_height = p_vout->render.i_height;
223 p_vout->output.i_aspect = p_vout->render.i_aspect;
226 /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
227 while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
231 /* Find an empty picture slot */
232 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
234 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
236 p_pic = p_vout->p_picture + i_index;
241 /* Allocate the picture if we found one */
242 if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
247 p_pic->i_status = DESTROYED_PICTURE;
248 p_pic->i_type = DIRECT_PICTURE;
250 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
258 /*****************************************************************************
259 * End: terminate Sys video thread output method
260 *****************************************************************************
261 * Terminate an output method created by OpenVideo
262 *****************************************************************************/
263 static void End( vout_thread_t *p_vout )
267 /* Free the output buffers we allocated */
268 for( i_index = I_OUTPUTPICTURES ; i_index ; )
271 if( p_vout->p_sys->p_overlay == NULL )
277 SDL_UnlockYUVOverlay(
278 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
280 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
282 free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
286 /*****************************************************************************
287 * CloseVideo: destroy Sys video thread output method
288 *****************************************************************************
289 * Terminate an output method created by vout_SDLCreate
290 *****************************************************************************/
291 static void Close ( vlc_object_t *p_this )
293 vout_thread_t * p_vout = (vout_thread_t *)p_this;
295 CloseDisplay( p_vout );
296 SDL_QuitSubSystem( SDL_INIT_VIDEO );
298 free( p_vout->p_sys );
301 /*****************************************************************************
302 * Manage: handle Sys events
303 *****************************************************************************
304 * This function should be called regularly by video output thread. It returns
305 * a non null value if an error occured.
306 *****************************************************************************/
307 static int Manage( vout_thread_t *p_vout )
309 SDL_Event event; /* SDL event */
311 int i_width, i_height, i_x, i_y;
314 while( SDL_PollEvent(&event) )
318 case SDL_VIDEORESIZE: /* Resizing of window */
319 /* Update dimensions */
320 p_vout->i_changes |= VOUT_SIZE_CHANGE;
321 p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
322 p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
325 case SDL_MOUSEMOTION:
326 vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
327 p_vout->p_sys->i_height,
328 &i_x, &i_y, &i_width, &i_height );
330 val.i_int = ( event.motion.x - i_x )
331 * p_vout->render.i_width / i_width;
332 var_Set( p_vout, "mouse-x", val );
333 val.i_int = ( event.motion.y - i_y )
334 * p_vout->render.i_height / i_height;
335 var_Set( p_vout, "mouse-y", val );
337 val.b_bool = VLC_TRUE;
338 var_Set( p_vout, "mouse-moved", val );
340 if( p_vout->p_sys->b_cursor &&
341 (abs(event.motion.xrel) > 2 || abs(event.motion.yrel) > 2) )
343 if( p_vout->p_sys->b_cursor_autohidden )
345 p_vout->p_sys->b_cursor_autohidden = 0;
350 p_vout->p_sys->i_lastmoved = mdate();
355 case SDL_MOUSEBUTTONUP:
356 switch( event.button.button )
358 case SDL_BUTTON_LEFT:
359 val.b_bool = VLC_TRUE;
360 var_Set( p_vout, "mouse-clicked", val );
363 case SDL_BUTTON_RIGHT:
365 intf_thread_t *p_intf;
366 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
370 p_intf->b_menu_change = 1;
371 vlc_object_release( p_intf );
378 case SDL_MOUSEBUTTONDOWN:
379 switch( event.button.button )
381 case SDL_BUTTON_LEFT:
382 /* In this part we will eventually manage
383 * clicks for DVD navigation for instance. */
385 /* detect double-clicks */
386 if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
387 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
389 p_vout->p_sys->i_lastpressed = mdate();
393 input_Seek( p_vout, 15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
397 input_Seek( p_vout, -15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
403 p_vout->p_vlc->b_die = 1;
406 case SDL_KEYDOWN: /* if a key is pressed */
408 switch( event.key.keysym.sym )
411 if( p_vout->b_fullscreen )
413 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
417 p_vout->p_vlc->b_die = 1;
421 case SDLK_q: /* quit */
422 p_vout->p_vlc->b_die = 1;
425 case SDLK_f: /* switch to fullscreen */
426 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
429 case SDLK_c: /* toggle grayscale */
430 p_vout->b_grayscale = ! p_vout->b_grayscale;
431 p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
434 case SDLK_i: /* toggle info */
435 p_vout->b_info = ! p_vout->b_info;
436 p_vout->i_changes |= VOUT_INFO_CHANGE;
439 case SDLK_s: /* toggle scaling */
440 p_vout->b_scale = ! p_vout->b_scale;
441 p_vout->i_changes |= VOUT_SCALE_CHANGE;
444 case SDLK_SPACE: /* toggle interface */
445 p_vout->b_interface = ! p_vout->b_interface;
446 p_vout->i_changes |= VOUT_INTF_CHANGE;
451 intf_thread_t *p_intf;
452 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
456 p_intf->b_menu_change = 1;
457 vlc_object_release( p_intf );
463 input_Seek( p_vout, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
467 input_Seek( p_vout, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
471 input_Seek( p_vout, 60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
475 input_Seek( p_vout, -60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
478 case SDLK_F1: network_ChannelJoin( p_vout, 1 ); break;
479 case SDLK_F2: network_ChannelJoin( p_vout, 2 ); break;
480 case SDLK_F3: network_ChannelJoin( p_vout, 3 ); break;
481 case SDLK_F4: network_ChannelJoin( p_vout, 4 ); break;
482 case SDLK_F5: network_ChannelJoin( p_vout, 5 ); break;
483 case SDLK_F6: network_ChannelJoin( p_vout, 6 ); break;
484 case SDLK_F7: network_ChannelJoin( p_vout, 7 ); break;
485 case SDLK_F8: network_ChannelJoin( p_vout, 8 ); break;
486 case SDLK_F9: network_ChannelJoin( p_vout, 9 ); break;
487 case SDLK_F10: network_ChannelJoin( p_vout, 10 ); break;
488 case SDLK_F11: network_ChannelJoin( p_vout, 11 ); break;
489 case SDLK_F12: network_ChannelJoin( p_vout, 12 ); break;
493 aout_instance_t * p_aout;
494 audio_volume_t i_volume;
495 p_aout = vlc_object_find( p_vout, VLC_OBJECT_AOUT,
499 if ( !aout_VolumeDown( p_aout, 1, &i_volume ) )
501 msg_Dbg( p_vout, "audio volume is now %d", i_volume );
505 msg_Dbg( p_vout, "audio volume: operation not supported" );
507 vlc_object_release( (vlc_object_t *)p_aout );
514 aout_instance_t * p_aout;
515 audio_volume_t i_volume;
516 p_aout = vlc_object_find( p_vout, VLC_OBJECT_AOUT,
520 if ( !aout_VolumeUp( p_aout, 1, &i_volume ) )
522 msg_Dbg( p_vout, "audio volume is now %d", i_volume );
526 msg_Dbg( p_vout, "audio volume: operation not supported" );
528 vlc_object_release( (vlc_object_t *)p_aout );
543 /* Fullscreen change */
544 if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
546 p_vout->b_fullscreen = ! p_vout->b_fullscreen;
548 p_vout->p_sys->b_cursor_autohidden = 0;
549 SDL_ShowCursor( p_vout->p_sys->b_cursor &&
550 ! p_vout->p_sys->b_cursor_autohidden );
552 p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
553 p_vout->i_changes |= VOUT_SIZE_CHANGE;
559 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
561 msg_Dbg( p_vout, "video display resized (%dx%d)",
562 p_vout->p_sys->i_width, p_vout->p_sys->i_height );
564 CloseDisplay( p_vout );
565 OpenDisplay( p_vout );
567 /* We don't need to signal the vout thread about the size change if
568 * we can handle rescaling ourselves */
569 if( p_vout->p_sys->p_overlay != NULL )
570 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
575 if( ! p_vout->p_sys->b_cursor_autohidden &&
576 ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) )
578 /* Hide the mouse automatically */
579 p_vout->p_sys->b_cursor_autohidden = 1;
586 /*****************************************************************************
587 * Display: displays previously rendered output
588 *****************************************************************************
589 * This function sends the currently rendered image to the display.
590 *****************************************************************************/
591 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
596 vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
603 if( p_vout->p_sys->p_overlay == NULL )
606 SDL_Flip( p_vout->p_sys->p_display );
610 /* Overlay picture */
611 SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
612 SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
613 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
617 /* following functions are local */
619 /*****************************************************************************
620 * OpenDisplay: open and initialize SDL device
621 *****************************************************************************
622 * Open and initialize display according to preferences specified in the vout
624 *****************************************************************************/
625 static int OpenDisplay( vout_thread_t *p_vout )
630 /* Set main window's size */
631 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->output.i_width :
632 p_vout->i_window_width;
633 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->output.i_height :
634 p_vout->i_window_height;
636 /* Initialize flags and cursor */
637 i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
638 i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
640 i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
641 SDL_DEFAULT_BPP, i_flags );
644 msg_Err( p_vout, "no video mode available" );
648 p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
649 p_vout->p_sys->i_height,
652 if( p_vout->p_sys->p_display == NULL )
654 msg_Err( p_vout, "cannot set video mode" );
658 SDL_LockSurface( p_vout->p_sys->p_display );
660 /* Choose the chroma we will try first. */
661 switch( p_vout->render.i_chroma )
663 case VLC_FOURCC('Y','U','Y','2'):
664 case VLC_FOURCC('Y','U','N','V'):
665 p_vout->output.i_chroma = SDL_YUY2_OVERLAY;
667 case VLC_FOURCC('U','Y','V','Y'):
668 case VLC_FOURCC('U','Y','N','V'):
669 case VLC_FOURCC('Y','4','2','2'):
670 p_vout->output.i_chroma = SDL_UYVY_OVERLAY;
672 case VLC_FOURCC('Y','V','Y','U'):
673 p_vout->output.i_chroma = SDL_YVYU_OVERLAY;
675 case VLC_FOURCC('Y','V','1','2'):
676 case VLC_FOURCC('I','4','2','0'):
677 case VLC_FOURCC('I','Y','U','V'):
679 p_vout->output.i_chroma = SDL_YV12_OVERLAY;
683 p_vout->p_sys->p_overlay =
684 SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
685 p_vout->p_sys->p_display );
686 /* FIXME: if the first overlay we find is software, don't stop,
687 * because we may find a hardware one later ... */
689 /* If this best choice failed, fall back to other chromas */
690 if( p_vout->p_sys->p_overlay == NULL )
692 p_vout->output.i_chroma = SDL_IYUV_OVERLAY;
693 p_vout->p_sys->p_overlay =
694 SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
695 p_vout->p_sys->p_display );
698 if( p_vout->p_sys->p_overlay == NULL )
700 p_vout->output.i_chroma = SDL_YV12_OVERLAY;
701 p_vout->p_sys->p_overlay =
702 SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
703 p_vout->p_sys->p_display );
706 if( p_vout->p_sys->p_overlay == NULL )
708 p_vout->output.i_chroma = SDL_YUY2_OVERLAY;
709 p_vout->p_sys->p_overlay =
710 SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
711 p_vout->p_sys->p_display );
714 if( p_vout->p_sys->p_overlay == NULL )
716 msg_Warn( p_vout, "no SDL overlay for 0x%.8x (%4.4s)",
717 p_vout->render.i_chroma, (char*)&p_vout->render.i_chroma );
719 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
722 p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
723 p_vout->output.pf_setpalette = SetPalette;
726 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
729 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
732 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
735 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
738 msg_Err( p_vout, "unknown screen depth %i",
739 p_vout->p_sys->p_display->format->BitsPerPixel );
740 SDL_UnlockSurface( p_vout->p_sys->p_display );
741 SDL_FreeSurface( p_vout->p_sys->p_display );
745 p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
746 p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
747 p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
749 SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
750 VOUT_TITLE " (software RGB SDL output)" );
754 if( p_vout->p_sys->p_overlay->hw_overlay )
756 SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
757 VOUT_TITLE " (hardware YUV SDL output)" );
761 SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
762 VOUT_TITLE " (software YUV SDL output)" );
766 SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
771 /*****************************************************************************
772 * CloseDisplay: close and reset SDL device
773 *****************************************************************************
774 * This function returns all resources allocated by OpenDisplay and restore
775 * the original state of the device.
776 *****************************************************************************/
777 static void CloseDisplay( vout_thread_t *p_vout )
779 SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
780 SDL_UnlockSurface ( p_vout->p_sys->p_display );
781 SDL_FreeSurface( p_vout->p_sys->p_display );
784 /*****************************************************************************
785 * NewPicture: allocate a picture
786 *****************************************************************************
787 * Returns 0 on success, -1 otherwise
788 *****************************************************************************/
789 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
791 int i_width = p_vout->output.i_width;
792 int i_height = p_vout->output.i_height;
794 if( p_vout->p_sys->p_overlay == NULL )
797 if( p_vout->p_sys->i_surfaces )
799 /* We already allocated this surface, return */
803 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
805 if( p_pic->p_sys == NULL )
810 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
813 p_pic->p->i_pixel_pitch = 1;
817 p_pic->p->i_pixel_pitch = 2;
821 p_pic->p->i_pixel_pitch = 4;
827 p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
828 p_pic->p->i_lines = p_vout->p_sys->p_display->h;
829 p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
830 p_pic->p->i_visible_pitch =
831 p_pic->p->i_pixel_pitch * p_vout->p_sys->p_display->w;
833 p_vout->p_sys->i_surfaces++;
839 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
841 if( p_pic->p_sys == NULL )
846 p_pic->p_sys->p_overlay =
847 SDL_CreateYUVOverlay( i_width, i_height,
848 p_vout->output.i_chroma,
849 p_vout->p_sys->p_display );
851 if( p_pic->p_sys->p_overlay == NULL )
853 free( p_pic->p_sys );
857 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
859 p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
860 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
861 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
863 switch( p_vout->output.i_chroma )
865 case SDL_YV12_OVERLAY:
866 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
867 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
869 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
870 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
871 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
872 p_pic->p[U_PLANE].i_pixel_pitch = 1;
873 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p[U_PLANE].i_pitch;
875 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
876 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
877 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
878 p_pic->p[V_PLANE].i_pixel_pitch = 1;
879 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p[V_PLANE].i_pitch;
884 case SDL_IYUV_OVERLAY:
885 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
886 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
888 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
889 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
890 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
891 p_pic->p[U_PLANE].i_pixel_pitch = 1;
892 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p[U_PLANE].i_pitch;
894 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
895 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
896 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
897 p_pic->p[V_PLANE].i_pixel_pitch = 1;
898 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p[V_PLANE].i_pitch;
904 p_pic->p[Y_PLANE].i_pixel_pitch = 2;
905 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
915 /*****************************************************************************
916 * SetPalette: sets an 8 bpp palette
917 *****************************************************************************/
918 static void SetPalette( vout_thread_t *p_vout, u16 *red, u16 *green, u16 *blue )
920 SDL_Color colors[256];
923 /* Fill colors with color information */
924 for( i = 0; i < 256; i++ )
926 colors[ i ].r = red[ i ] >> 8;
927 colors[ i ].g = green[ i ] >> 8;
928 colors[ i ].b = blue[ i ] >> 8;
932 if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
934 msg_Err( p_vout, "failed setting palette" );