1 /*****************************************************************************
2 * sdl.c: SDL video output display method
3 *****************************************************************************
4 * Copyright (C) 1998-2001 VideoLAN
5 * $Id: sdl.c,v 1.8 2003/02/10 23:16:37 marcari 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() */
38 #include <sys/types.h>
40 # include <netinet/in.h> /* BSD: struct in_addr */
43 #include SDL_INCLUDE_FILE
45 #include "aout_internal.h"
48 #define SDL_MAX_DIRECTBUFFERS 10
49 #define SDL_DEFAULT_BPP 16
51 /*****************************************************************************
52 * vout_sys_t: video output SDL method descriptor
53 *****************************************************************************
54 * This structure is part of the video output thread descriptor.
55 * It describes the SDL specific properties of an output thread.
56 *****************************************************************************/
59 SDL_Surface * p_display; /* display device */
65 SDL_Overlay * p_overlay; /* An overlay we keep to grab the XVideo port */
71 vlc_bool_t b_cursor_autohidden;
73 mtime_t i_lastpressed; /* to track dbl-clicks */
76 /*****************************************************************************
77 * picture_sys_t: direct buffer method descriptor
78 *****************************************************************************
79 * This structure is part of the picture descriptor, it describes the
80 * SDL specific properties of a direct buffer.
81 *****************************************************************************/
84 SDL_Overlay *p_overlay;
87 /*****************************************************************************
89 *****************************************************************************/
90 static int Open ( vlc_object_t * );
91 static void Close ( vlc_object_t * );
92 static int Init ( vout_thread_t * );
93 static void End ( vout_thread_t * );
94 static int Manage ( vout_thread_t * );
95 static void Display ( vout_thread_t *, picture_t * );
97 static int OpenDisplay ( vout_thread_t * );
98 static void CloseDisplay ( vout_thread_t * );
99 static int NewPicture ( vout_thread_t *, picture_t * );
100 static void SetPalette ( vout_thread_t *,
101 uint16_t *, uint16_t *, uint16_t * );
103 /*****************************************************************************
105 *****************************************************************************/
107 set_description( _("Simple DirectMedia Layer video module") );
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 );
115 /*****************************************************************************
116 * OpenVideo: allocate SDL video thread output method
117 *****************************************************************************
118 * This function allocate and initialize a SDL vout method. It uses some of the
119 * vout properties to choose the correct mode, and change them according to the
120 * mode actually used.
121 *****************************************************************************/
122 static int Open ( vlc_object_t *p_this )
124 vout_thread_t * p_vout = (vout_thread_t *)p_this;
131 var_Get( p_this->p_libvlc, "sdl", &lockval );
132 vlc_mutex_lock( lockval.p_address );
134 if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
136 vlc_mutex_unlock( lockval.p_address );
140 /* Allocate structure */
141 p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
142 if( p_vout->p_sys == NULL )
144 msg_Err( p_vout, "out of memory" );
145 vlc_mutex_unlock( lockval.p_address );
149 p_vout->pf_init = Init;
150 p_vout->pf_end = End;
151 p_vout->pf_manage = Manage;
152 p_vout->pf_render = NULL;
153 p_vout->pf_display = Display;
156 psz_method = config_GetPsz( p_vout, "vout" );
159 while( *psz_method && *psz_method != ':' )
166 setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
171 /* Initialize library */
172 if( SDL_Init( SDL_INIT_VIDEO
174 /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
175 | SDL_INIT_EVENTTHREAD
178 /* In debug mode you may want vlc to dump a core instead of staying
180 | SDL_INIT_NOPARACHUTE
184 msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
185 free( p_vout->p_sys );
186 vlc_mutex_unlock( lockval.p_address );
190 vlc_mutex_unlock( lockval.p_address );
192 p_vout->p_sys->b_cursor = 1;
193 p_vout->p_sys->b_cursor_autohidden = 0;
194 p_vout->p_sys->i_lastmoved = mdate();
196 if( OpenDisplay( p_vout ) )
198 msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
199 SDL_QuitSubSystem( SDL_INIT_VIDEO );
200 free( p_vout->p_sys );
207 /*****************************************************************************
208 * Init: initialize SDL video thread output method
209 *****************************************************************************
210 * This function initialize the SDL display device.
211 *****************************************************************************/
212 static int Init( vout_thread_t *p_vout )
217 p_vout->p_sys->i_surfaces = 0;
219 I_OUTPUTPICTURES = 0;
221 /* Initialize the output structure */
222 if( p_vout->p_sys->p_overlay == NULL )
224 /* All we have is an RGB image with square pixels */
225 p_vout->output.i_width = p_vout->p_sys->i_width;
226 p_vout->output.i_height = p_vout->p_sys->i_height;
227 p_vout->output.i_aspect = p_vout->output.i_width
229 / p_vout->output.i_height;
233 /* We may need to convert the chroma, but at least we keep the
235 p_vout->output.i_width = p_vout->render.i_width;
236 p_vout->output.i_height = p_vout->render.i_height;
237 p_vout->output.i_aspect = p_vout->render.i_aspect;
240 /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
241 while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
245 /* Find an empty picture slot */
246 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
248 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
250 p_pic = p_vout->p_picture + i_index;
255 /* Allocate the picture if we found one */
256 if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
261 p_pic->i_status = DESTROYED_PICTURE;
262 p_pic->i_type = DIRECT_PICTURE;
264 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
272 /*****************************************************************************
273 * End: terminate Sys video thread output method
274 *****************************************************************************
275 * Terminate an output method created by OpenVideo
276 *****************************************************************************/
277 static void End( vout_thread_t *p_vout )
281 /* Free the output buffers we allocated */
282 for( i_index = I_OUTPUTPICTURES ; i_index ; )
285 if( p_vout->p_sys->p_overlay == NULL )
291 SDL_UnlockYUVOverlay(
292 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
294 PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
296 free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
300 /*****************************************************************************
301 * CloseVideo: destroy Sys video thread output method
302 *****************************************************************************
303 * Terminate an output method created by vout_SDLCreate
304 *****************************************************************************/
305 static void Close ( vlc_object_t *p_this )
307 vout_thread_t * p_vout = (vout_thread_t *)p_this;
309 CloseDisplay( p_vout );
310 SDL_QuitSubSystem( SDL_INIT_VIDEO );
312 free( p_vout->p_sys );
315 /*****************************************************************************
316 * Manage: handle Sys events
317 *****************************************************************************
318 * This function should be called regularly by video output thread. It returns
319 * a non null value if an error occured.
320 *****************************************************************************/
321 static int Manage( vout_thread_t *p_vout )
323 SDL_Event event; /* SDL event */
325 int i_width, i_height, i_x, i_y;
328 while( SDL_PollEvent(&event) )
332 case SDL_VIDEORESIZE: /* Resizing of window */
333 /* Update dimensions */
334 p_vout->i_changes |= VOUT_SIZE_CHANGE;
335 p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
336 p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
339 case SDL_MOUSEMOTION:
340 vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
341 p_vout->p_sys->i_height,
342 &i_x, &i_y, &i_width, &i_height );
344 val.i_int = ( event.motion.x - i_x )
345 * p_vout->render.i_width / i_width;
346 var_Set( p_vout, "mouse-x", val );
347 val.i_int = ( event.motion.y - i_y )
348 * p_vout->render.i_height / i_height;
349 var_Set( p_vout, "mouse-y", val );
351 val.b_bool = VLC_TRUE;
352 var_Set( p_vout, "mouse-moved", val );
354 if( p_vout->p_sys->b_cursor &&
355 (abs(event.motion.xrel) > 2 || abs(event.motion.yrel) > 2) )
357 if( p_vout->p_sys->b_cursor_autohidden )
359 p_vout->p_sys->b_cursor_autohidden = 0;
364 p_vout->p_sys->i_lastmoved = mdate();
369 case SDL_MOUSEBUTTONUP:
370 switch( event.button.button )
372 case SDL_BUTTON_LEFT:
373 val.b_bool = VLC_TRUE;
374 var_Set( p_vout, "mouse-clicked", val );
377 case SDL_BUTTON_RIGHT:
379 intf_thread_t *p_intf;
380 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
384 p_intf->b_menu_change = 1;
385 vlc_object_release( p_intf );
392 case SDL_MOUSEBUTTONDOWN:
393 switch( event.button.button )
395 case SDL_BUTTON_LEFT:
396 /* In this part we will eventually manage
397 * clicks for DVD navigation for instance. */
399 /* detect double-clicks */
400 if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
401 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
403 p_vout->p_sys->i_lastpressed = mdate();
407 input_Seek( p_vout, 15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
411 input_Seek( p_vout, -15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
417 p_vout->p_vlc->b_die = 1;
420 case SDL_KEYDOWN: /* if a key is pressed */
422 switch( event.key.keysym.sym )
425 if( p_vout->b_fullscreen )
427 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
431 p_vout->p_vlc->b_die = 1;
435 case SDLK_q: /* quit */
436 p_vout->p_vlc->b_die = 1;
439 case SDLK_f: /* switch to fullscreen */
440 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
443 case SDLK_c: /* toggle grayscale */
444 p_vout->b_grayscale = ! p_vout->b_grayscale;
445 p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
448 case SDLK_i: /* toggle info */
449 p_vout->b_info = ! p_vout->b_info;
450 p_vout->i_changes |= VOUT_INFO_CHANGE;
453 case SDLK_s: /* toggle scaling */
454 p_vout->b_scale = ! p_vout->b_scale;
455 p_vout->i_changes |= VOUT_SCALE_CHANGE;
458 case SDLK_SPACE: /* toggle interface */
459 p_vout->b_interface = ! p_vout->b_interface;
460 p_vout->i_changes |= VOUT_INTF_CHANGE;
465 intf_thread_t *p_intf;
466 p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
470 p_intf->b_menu_change = 1;
471 vlc_object_release( p_intf );
477 input_Seek( p_vout, -5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
481 input_Seek( p_vout, 5, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
485 input_Seek( p_vout, 60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
489 input_Seek( p_vout, -60, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
492 case SDLK_F1: network_ChannelJoin( p_vout, 1 ); break;
493 case SDLK_F2: network_ChannelJoin( p_vout, 2 ); break;
494 case SDLK_F3: network_ChannelJoin( p_vout, 3 ); break;
495 case SDLK_F4: network_ChannelJoin( p_vout, 4 ); break;
496 case SDLK_F5: network_ChannelJoin( p_vout, 5 ); break;
497 case SDLK_F6: network_ChannelJoin( p_vout, 6 ); break;
498 case SDLK_F7: network_ChannelJoin( p_vout, 7 ); break;
499 case SDLK_F8: network_ChannelJoin( p_vout, 8 ); break;
500 case SDLK_F9: network_ChannelJoin( p_vout, 9 ); break;
501 case SDLK_F10: network_ChannelJoin( p_vout, 10 ); break;
502 case SDLK_F11: network_ChannelJoin( p_vout, 11 ); break;
503 case SDLK_F12: network_ChannelJoin( p_vout, 12 ); break;
507 aout_instance_t * p_aout;
508 audio_volume_t i_volume;
509 p_aout = vlc_object_find( p_vout, VLC_OBJECT_AOUT,
513 if ( !aout_VolumeDown( p_aout, 1, &i_volume ) )
515 msg_Dbg( p_vout, "audio volume is now %d", i_volume );
519 msg_Dbg( p_vout, "audio volume: operation not supported" );
521 vlc_object_release( (vlc_object_t *)p_aout );
528 aout_instance_t * p_aout;
529 audio_volume_t i_volume;
530 p_aout = vlc_object_find( p_vout, VLC_OBJECT_AOUT,
534 if ( !aout_VolumeUp( p_aout, 1, &i_volume ) )
536 msg_Dbg( p_vout, "audio volume is now %d", i_volume );
540 msg_Dbg( p_vout, "audio volume: operation not supported" );
542 vlc_object_release( (vlc_object_t *)p_aout );
557 /* Fullscreen change */
558 if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
560 p_vout->b_fullscreen = ! p_vout->b_fullscreen;
562 p_vout->p_sys->b_cursor_autohidden = 0;
563 SDL_ShowCursor( p_vout->p_sys->b_cursor &&
564 ! p_vout->p_sys->b_cursor_autohidden );
566 p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
567 p_vout->i_changes |= VOUT_SIZE_CHANGE;
573 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
575 msg_Dbg( p_vout, "video display resized (%dx%d)",
576 p_vout->p_sys->i_width, p_vout->p_sys->i_height );
578 CloseDisplay( p_vout );
579 OpenDisplay( p_vout );
581 /* We don't need to signal the vout thread about the size change if
582 * we can handle rescaling ourselves */
583 if( p_vout->p_sys->p_overlay != NULL )
584 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
589 if( ! p_vout->p_sys->b_cursor_autohidden &&
590 ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) )
592 /* Hide the mouse automatically */
593 p_vout->p_sys->b_cursor_autohidden = 1;
600 /*****************************************************************************
601 * Display: displays previously rendered output
602 *****************************************************************************
603 * This function sends the currently rendered image to the display.
604 *****************************************************************************/
605 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
610 vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
617 if( p_vout->p_sys->p_overlay == NULL )
620 SDL_Flip( p_vout->p_sys->p_display );
624 /* Overlay picture */
625 SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
626 SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
627 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
631 /* following functions are local */
633 /*****************************************************************************
634 * OpenDisplay: open and initialize SDL device
635 *****************************************************************************
636 * Open and initialize display according to preferences specified in the vout
638 *****************************************************************************/
639 static int OpenDisplay( vout_thread_t *p_vout )
644 /* Set main window's size */
645 p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->output.i_width :
646 p_vout->i_window_width;
647 p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->output.i_height :
648 p_vout->i_window_height;
650 /* Initialize flags and cursor */
651 i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
652 i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
654 i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
655 SDL_DEFAULT_BPP, i_flags );
658 msg_Err( p_vout, "no video mode available" );
662 p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
663 p_vout->p_sys->i_height,
666 if( p_vout->p_sys->p_display == NULL )
668 msg_Err( p_vout, "cannot set video mode" );
672 SDL_LockSurface( p_vout->p_sys->p_display );
674 /* Choose the chroma we will try first. */
675 switch( p_vout->render.i_chroma )
677 case VLC_FOURCC('Y','U','Y','2'):
678 case VLC_FOURCC('Y','U','N','V'):
679 p_vout->output.i_chroma = SDL_YUY2_OVERLAY;
681 case VLC_FOURCC('U','Y','V','Y'):
682 case VLC_FOURCC('U','Y','N','V'):
683 case VLC_FOURCC('Y','4','2','2'):
684 p_vout->output.i_chroma = SDL_UYVY_OVERLAY;
686 case VLC_FOURCC('Y','V','Y','U'):
687 p_vout->output.i_chroma = SDL_YVYU_OVERLAY;
689 case VLC_FOURCC('Y','V','1','2'):
690 case VLC_FOURCC('I','4','2','0'):
691 case VLC_FOURCC('I','Y','U','V'):
693 p_vout->output.i_chroma = SDL_YV12_OVERLAY;
697 p_vout->p_sys->p_overlay =
698 SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
699 p_vout->p_sys->p_display );
700 /* FIXME: if the first overlay we find is software, don't stop,
701 * because we may find a hardware one later ... */
703 /* If this best choice failed, fall back to other chromas */
704 if( p_vout->p_sys->p_overlay == NULL )
706 p_vout->output.i_chroma = SDL_IYUV_OVERLAY;
707 p_vout->p_sys->p_overlay =
708 SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
709 p_vout->p_sys->p_display );
712 if( p_vout->p_sys->p_overlay == NULL )
714 p_vout->output.i_chroma = SDL_YV12_OVERLAY;
715 p_vout->p_sys->p_overlay =
716 SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
717 p_vout->p_sys->p_display );
720 if( p_vout->p_sys->p_overlay == NULL )
722 p_vout->output.i_chroma = SDL_YUY2_OVERLAY;
723 p_vout->p_sys->p_overlay =
724 SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
725 p_vout->p_sys->p_display );
728 if( p_vout->p_sys->p_overlay == NULL )
730 msg_Warn( p_vout, "no SDL overlay for 0x%.8x (%4.4s)",
731 p_vout->render.i_chroma, (char*)&p_vout->render.i_chroma );
733 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
736 p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
737 p_vout->output.pf_setpalette = SetPalette;
740 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
743 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
746 p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
749 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
752 msg_Err( p_vout, "unknown screen depth %i",
753 p_vout->p_sys->p_display->format->BitsPerPixel );
754 SDL_UnlockSurface( p_vout->p_sys->p_display );
755 SDL_FreeSurface( p_vout->p_sys->p_display );
759 p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
760 p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
761 p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
763 SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
764 VOUT_TITLE " (software RGB SDL output)" );
768 if( p_vout->p_sys->p_overlay->hw_overlay )
770 SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
771 VOUT_TITLE " (hardware YUV SDL output)" );
775 SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
776 VOUT_TITLE " (software YUV SDL output)" );
780 SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
785 /*****************************************************************************
786 * CloseDisplay: close and reset SDL device
787 *****************************************************************************
788 * This function returns all resources allocated by OpenDisplay and restore
789 * the original state of the device.
790 *****************************************************************************/
791 static void CloseDisplay( vout_thread_t *p_vout )
793 SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
794 SDL_UnlockSurface ( p_vout->p_sys->p_display );
795 SDL_FreeSurface( p_vout->p_sys->p_display );
798 /*****************************************************************************
799 * NewPicture: allocate a picture
800 *****************************************************************************
801 * Returns 0 on success, -1 otherwise
802 *****************************************************************************/
803 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
805 int i_width = p_vout->output.i_width;
806 int i_height = p_vout->output.i_height;
808 if( p_vout->p_sys->p_overlay == NULL )
811 if( p_vout->p_sys->i_surfaces )
813 /* We already allocated this surface, return */
817 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
819 if( p_pic->p_sys == NULL )
824 switch( p_vout->p_sys->p_display->format->BitsPerPixel )
827 p_pic->p->i_pixel_pitch = 1;
831 p_pic->p->i_pixel_pitch = 2;
835 p_pic->p->i_pixel_pitch = 4;
841 p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
842 p_pic->p->i_lines = p_vout->p_sys->p_display->h;
843 p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
844 p_pic->p->i_visible_pitch =
845 p_pic->p->i_pixel_pitch * p_vout->p_sys->p_display->w;
847 p_vout->p_sys->i_surfaces++;
853 p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
855 if( p_pic->p_sys == NULL )
860 p_pic->p_sys->p_overlay =
861 SDL_CreateYUVOverlay( i_width, i_height,
862 p_vout->output.i_chroma,
863 p_vout->p_sys->p_display );
865 if( p_pic->p_sys->p_overlay == NULL )
867 free( p_pic->p_sys );
871 SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
873 p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
874 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
875 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
877 switch( p_vout->output.i_chroma )
879 case SDL_YV12_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[2];
884 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
885 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
886 p_pic->p[U_PLANE].i_pixel_pitch = 1;
887 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
889 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
890 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
891 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
892 p_pic->p[V_PLANE].i_pixel_pitch = 1;
893 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
898 case SDL_IYUV_OVERLAY:
899 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
900 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
902 p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
903 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
904 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
905 p_pic->p[U_PLANE].i_pixel_pitch = 1;
906 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
908 p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
909 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
910 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
911 p_pic->p[V_PLANE].i_pixel_pitch = 1;
912 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
918 p_pic->p[Y_PLANE].i_pixel_pitch = 2;
919 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w * 2;
929 /*****************************************************************************
930 * SetPalette: sets an 8 bpp palette
931 *****************************************************************************/
932 static void SetPalette( vout_thread_t *p_vout,
933 uint16_t *red, uint16_t *green, uint16_t *blue )
935 SDL_Color colors[256];
938 /* Fill colors with color information */
939 for( i = 0; i < 256; i++ )
941 colors[ i ].r = red[ i ] >> 8;
942 colors[ i ].g = green[ i ] >> 8;
943 colors[ i ].b = blue[ i ] >> 8;
947 if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
949 msg_Err( p_vout, "failed setting palette" );