Fix plugin strings translation
[vlc.git] / modules / video_output / omapfb.c
1 /*****************************************************************************
2 * omapfb.c : omap framebuffer plugin for vlc
3 *****************************************************************************
4 * Copyright (C) 2008 the VideoLAN team
5 * $Id$
6 *
7 * Authors: Antoine Lejeune <phytos @ videolan.org>
8 *          Based on fb.c and work of Siarhei Siamashka on mplayer for Maemo
9 *          Needs a recent omapfb.h to compile
10 *
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.
15 *
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.
20 *
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 *****************************************************************************/
25
26 #ifdef HAVE_CONFIG_H
27 # include "config.h"
28 #endif
29
30 #include <errno.h>                                                 /* ENOMEM */
31 #include <fcntl.h>                                                 /* open() */
32 #include <unistd.h>                                               /* close() */
33
34 #include <sys/ioctl.h>
35 #include <sys/mman.h>                                              /* mmap() */
36
37 #include <linux/fb.h>
38 #include <asm/arch-omap/omapfb.h>
39
40 /* Embedded window handling */
41 #include <X11/Xlib.h>
42 #include <X11/Xutil.h>
43 #include <X11/keysym.h>
44
45 #ifdef HAVE_OSSO
46 #include <libosso.h>
47 #endif
48
49 #include <vlc_common.h>
50 #include <vlc_plugin.h>
51 #include <vlc_keys.h>
52 #include <vlc_vout.h>
53 #include <vlc_window.h>
54 #include <vlc_playlist.h>
55
56 /*****************************************************************************
57 * Local prototypes
58 *****************************************************************************/
59 static int  Create           ( vlc_object_t * );
60 static void Destroy          ( vlc_object_t * );
61
62 static int  Init             ( vout_thread_t * );
63 static void End              ( vout_thread_t * );
64 static int  Manage           ( vout_thread_t * );
65 static void DisplayVideo     ( vout_thread_t *, picture_t * );
66 static int  Control          ( vout_thread_t *, int, va_list );
67
68 static void FreePicture      ( vout_thread_t *, picture_t * );
69
70 static int  OpenDisplay      ( vout_thread_t * );
71 static void CloseDisplay     ( vout_thread_t * );
72 static void UpdateScreen     ( vout_thread_t *,
73                                int, int, int, int, int, int, int );
74
75 static int  InitWindow       ( vout_thread_t * );
76 static void CreateWindow     ( vout_sys_t * );
77 static void ToggleFullScreen ( vout_thread_t * );
78
79 #ifdef HAVE_OSSO
80 static const int i_backlight_on_interval = 300;
81 #endif
82
83 /*****************************************************************************
84  * Module descriptor
85  *****************************************************************************/
86 #define FB_DEV_VAR "omapfbdev"
87
88 #define DEVICE_TEXT N_("OMAP Framebuffer device")
89 #define DEVICE_LONGTEXT N_( \
90     "OMAP Framebuffer device to use for rendering (usually /dev/fb0).")
91
92 #define CHROMA_TEXT N_("Chroma used.")
93 #define CHROMA_LONGTEXT N_( \
94     "Force use of a specific chroma for output. Default is Y420 (specific to N770/N8xx hardware)." )
95
96 #define OVERLAY_TEXT N_("Embed the overlay")
97 #define OVERLAY_LONGTEXT N_( \
98     "Embed the framebuffer overlay into a X11 window" )
99
100 vlc_module_begin();
101     set_shortname( "OMAP framebuffer" );
102     set_category( CAT_VIDEO );
103     set_subcategory( SUBCAT_VIDEO_VOUT );
104     add_file( FB_DEV_VAR, "/dev/fb0", NULL, DEVICE_TEXT, DEVICE_LONGTEXT,
105               false )
106     add_string( "omap-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
107                 true )
108     add_bool( "omap-embedded", true, NULL, OVERLAY_TEXT, OVERLAY_LONGTEXT,
109                  true )
110     set_description( N_("OMAP framebuffer video output") );
111     set_capability( "video output", 200 );
112     set_callbacks( Create, Destroy );
113 vlc_module_end();
114
115 /*****************************************************************************
116  * omap_window_t: simple structure with the geometry of a window
117  *****************************************************************************/
118 struct omap_window_t
119 {
120     uint32_t i_x;
121     uint32_t i_y;
122     uint32_t i_width;
123     uint32_t i_height;
124 };
125
126 /*****************************************************************************
127 * vout_sys_t: video output omap framebuffer method descriptor
128  *****************************************************************************
129  * This structure is part of the video output thread descriptor.
130  * It describes the FB specific properties of an output thread.
131  *****************************************************************************/
132 struct vout_sys_t
133 {
134     /* Framebuffer information */
135     int                         i_fd;                       /* device handle */
136     struct fb_var_screeninfo    fb_vinfo;        /* current mode information */
137     struct fb_fix_screeninfo    fb_finfo;
138     struct omapfb_caps          caps;
139     bool                        b_tearsync;
140
141     /* Window information */
142     struct omap_window_t output_window;    /* Size of the real output window */
143     struct omap_window_t main_window;  /* Size of the area we got to display */
144     struct omap_window_t embedded_window;     /* Size of the embedded window */
145
146     /* Video information */
147     uint32_t             i_video_width;                       /* video width */
148     uint32_t             i_video_height;                     /* video height */
149     vlc_fourcc_t         i_chroma;
150     int                  i_color_format;                   /* OMAPFB_COLOR_* */
151     bool                 b_embed;
152     bool                 b_video_enabled;        /* Video must be displayed? */
153     picture_t           *p_output_picture;
154
155     /* Video memory */
156     uint8_t    *p_video;                                      /* base adress */
157     uint8_t    *p_center;                                   /* output adress */
158     size_t      i_page_size;                                    /* page size */
159     int         i_bytes_per_pixel;                /* Bytes used by one pixel */
160     int         i_line_len;                   /* Length of one line in bytes */
161
162     /* X11 */
163     Display   *p_display;
164     vout_window_t *owner_window;
165     Window     window;
166     mtime_t    i_time_button_last_pressed;         /* To detect double click */
167
168     /* Dummy memory */
169     int        i_null_fd;
170     uint8_t   *p_null;
171
172 #ifdef HAVE_OSSO
173     osso_context_t      *p_octx;
174     int                 i_backlight_on_counter;
175 #endif
176 };
177
178 /*****************************************************************************
179  * Create: allocates omapfb video thread output method
180  *****************************************************************************
181  * This function allocates and initializes a FB vout method.
182  *****************************************************************************/
183 static int Create( vlc_object_t *p_this )
184 {
185     vout_thread_t *p_vout = (vout_thread_t *)p_this;
186     vout_sys_t    *p_sys;
187
188     if( p_vout->fmt_in.i_chroma != VLC_FOURCC('I','4','2','0') &&
189         p_vout->fmt_in.i_chroma != VLC_FOURCC('I','Y','U','V') &&
190         p_vout->fmt_in.i_chroma != VLC_FOURCC('Y','V','1','2') )
191         return VLC_EGENERIC;
192
193     /* Allocate instance and initialize some members */
194     p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
195     if( p_vout->p_sys == NULL )
196         return VLC_ENOMEM;
197     memset( p_sys, 0, sizeof(vout_sys_t) );
198
199     p_vout->pf_init = Init;
200     p_vout->pf_end = End;
201     p_vout->pf_manage = Manage;
202     p_vout->pf_render = NULL;
203     p_vout->pf_display = DisplayVideo;
204     p_vout->pf_control = Control;
205
206     p_sys->b_embed = var_CreateGetInteger( p_vout, "omap-embedded" );
207     p_sys->b_video_enabled = true;
208
209     if( OpenDisplay( p_vout ) )
210     {
211         free( p_vout->p_sys );
212         return VLC_EGENERIC;
213     }
214
215     if( InitWindow( p_vout ) )
216     {
217         free( p_vout->p_sys );
218         return VLC_EGENERIC;
219     }
220
221 #ifdef HAVE_OSSO
222     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
223     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
224     if ( p_vout->p_sys->p_octx == NULL ) {
225         msg_Err( p_vout, "Could not get osso context" );
226     } else {
227         msg_Dbg( p_vout, "Initialized osso context" );
228     }
229 #endif
230
231     return VLC_SUCCESS;
232 }
233
234 /*****************************************************************************
235  * Destroy: destroy omapfb video thread output method
236  *****************************************************************************
237  * Terminate an output method created by Create
238  *****************************************************************************/
239 static void Destroy( vlc_object_t *p_this )
240 {
241     vout_thread_t *p_vout = (vout_thread_t *)p_this;
242
243     CloseDisplay( p_vout );
244
245     if( p_vout->p_sys->b_embed )
246     {
247         vout_ReleaseWindow( p_vout->p_sys->owner_window );
248         if( p_vout->b_fullscreen )
249             XDestroyWindow( p_vout->p_sys->p_display, p_vout->p_sys->window );
250         XCloseDisplay( p_vout->p_sys->p_display );
251     }
252
253 #ifdef HAVE_OSSO
254     if ( p_vout->p_sys->p_octx != NULL ) {
255         msg_Dbg( p_vout, "Deinitializing osso context" );
256         osso_deinitialize( p_vout->p_sys->p_octx );
257     }
258 #endif
259
260     /* Destroy structure */
261     free( p_vout->p_sys );
262 }
263
264
265 /*****************************************************************************
266  * Init: initialize omap framebuffer video thread output method
267  *****************************************************************************/
268 static int Init( vout_thread_t *p_vout )
269 {
270     vout_sys_t *p_sys = (vout_sys_t *)p_vout->p_sys;
271
272     // We want to keep the same aspect
273     p_vout->fmt_out.i_aspect = p_vout->output.i_aspect = p_vout->render.i_aspect;
274     // We ask where the video should be displayed in the video area
275     vout_PlacePicture( p_vout, p_sys->main_window.i_width,
276                        p_sys->main_window.i_height,
277                        &p_sys->output_window.i_x,
278                        &p_sys->output_window.i_y,
279                        &p_sys->output_window.i_width,
280                        &p_sys->output_window.i_height );
281     p_sys->output_window.i_x = ( p_sys->output_window.i_x +
282                                  p_sys->main_window.i_x ) & ~1;
283     p_sys->output_window.i_y = ( p_sys->output_window.i_y +
284                                  p_sys->main_window.i_y ) & ~1;
285
286     // Hardware upscaling better than software
287     if( p_vout->fmt_render.i_width <= p_sys->main_window.i_width &&
288         p_vout->fmt_render.i_height <= p_sys->main_window.i_height )
289     {
290         p_sys->i_video_width =
291         p_vout->output.i_width =
292         p_vout->fmt_out.i_width =
293         p_vout->fmt_out.i_visible_width = p_vout->fmt_render.i_width;
294         p_sys->i_video_height =
295         p_vout->output.i_height =
296         p_vout->fmt_out.i_height =
297         p_vout->fmt_out.i_visible_height = p_vout->fmt_render.i_height;
298     }
299     else
300     {
301         p_sys->i_video_width =
302         p_vout->output.i_width =
303         p_vout->fmt_out.i_width =
304         p_vout->fmt_out.i_visible_width = p_sys->output_window.i_width;
305         p_sys->i_video_height =
306         p_vout->output.i_height =
307         p_vout->fmt_out.i_height =
308         p_vout->fmt_out.i_visible_height = p_sys->output_window.i_height;
309     }
310
311     p_vout->output.i_chroma =
312     p_vout->fmt_out.i_chroma = VLC_FOURCC( 'Y','4','2','0' );
313     p_sys->i_color_format = OMAPFB_COLOR_YUV420;
314
315     // place in the framebuffer where we have to write
316     p_sys->p_center = p_sys->p_video + p_sys->output_window.i_x*p_sys->i_bytes_per_pixel
317                       + p_sys->output_window.i_y*p_sys->i_line_len;
318
319     // We get and set a direct render vlc picture
320     I_OUTPUTPICTURES = 0;
321     picture_t *p_pic = NULL;
322     int i_index;
323
324     for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
325     {
326         if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
327         {
328             p_pic = p_vout->p_picture + i_index;
329             break;
330         }
331     }
332
333     /* Allocate the picture */
334     if( p_pic == NULL )
335     {
336         return VLC_EGENERIC;
337     }
338
339     p_sys->p_output_picture = p_pic;
340     p_pic->p->p_pixels = p_vout->p_sys->p_center;
341     p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
342     p_pic->p->i_lines = p_sys->i_video_height;
343     p_pic->p->i_visible_lines = p_sys->i_video_height;
344     p_pic->p->i_pitch = p_sys->i_line_len;
345     p_pic->p->i_visible_pitch = p_sys->i_line_len;
346     p_pic->i_planes = 1;
347     p_pic->i_status = DESTROYED_PICTURE;
348     p_pic->i_type   = DIRECT_PICTURE;
349
350     PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
351
352     I_OUTPUTPICTURES++;
353
354     return VLC_SUCCESS;
355 }
356
357 /*****************************************************************************
358  * End: terminate omap framebuffer video thread output method
359  *****************************************************************************/
360 static void End( vout_thread_t *p_vout )
361 {
362     /* Clear the screen */
363     UpdateScreen( p_vout, 0, 0,
364                   p_vout->p_sys->fb_vinfo.xres,
365                   p_vout->p_sys->fb_vinfo.yres,
366                   p_vout->p_sys->fb_vinfo.xres,
367                   p_vout->p_sys->fb_vinfo.yres,
368                   OMAPFB_COLOR_RGB565 );
369 }
370
371 /*****************************************************************************
372  * Control: control facility for the vout
373  *****************************************************************************/
374 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
375 {
376     switch( i_query )
377     {
378        case VOUT_REPARENT:
379        case VOUT_CLOSE:
380             vout_ReleaseWindow( p_vout->p_sys->owner_window );
381             return VLC_SUCCESS;
382        default:
383             return vout_vaControlDefault( p_vout, i_query, args );
384     }
385 }
386
387 /*****************************************************************************
388 * FreePicture: Destroy the picture and make it free again
389 ******************************************************************************/
390 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
391 {
392     p_pic->p->p_pixels = NULL;
393     p_pic->i_status = FREE_PICTURE;
394 }
395
396 /*****************************************************************************
397  * Manage: handle omapfb events
398  *****************************************************************************
399  * This function should be called regularly by video output thread.
400  *****************************************************************************/
401 static int Manage( vout_thread_t *p_vout )
402 {
403     XEvent xevent;
404
405     while( XPending( p_vout->p_sys->p_display ) )
406     {
407         XNextEvent( p_vout->p_sys->p_display, &xevent );
408
409         if( xevent.type == ButtonPress &&
410             ((XButtonEvent *)&xevent)->button == Button1 )
411         {
412             /* detect double-clicks */
413             if( ( ((XButtonEvent *)&xevent)->time -
414                     p_vout->p_sys->i_time_button_last_pressed ) < 300 )
415             {
416                 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
417             }
418
419             p_vout->p_sys->i_time_button_last_pressed =
420                         ((XButtonEvent *)&xevent)->time;
421         }
422         else if( xevent.type == KeyPress )
423         {
424             KeySym x_key_symbol;
425             vlc_value_t val;
426
427             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
428                                              xevent.xkey.keycode, 0 );
429
430             switch( x_key_symbol )
431             {
432             case XK_Return:
433                 val.i_int = ACTIONID_PLAY_PAUSE; break;
434             case XK_Escape:
435                 val.i_int = ACTIONID_QUIT; break;
436             case XK_Down:
437                 val.i_int = ACTIONID_JUMP_BACKWARD_MEDIUM; break;
438             case XK_Up:
439                 val.i_int = ACTIONID_JUMP_FORWARD_MEDIUM; break;
440             case XK_Right:
441                 val.i_int = ACTIONID_JUMP_FORWARD_SHORT; break;
442             case XK_Left:
443                 val.i_int = ACTIONID_JUMP_BACKWARD_SHORT; break;
444             case XK_F6:
445                 val.i_int = ACTIONID_TOGGLE_FULLSCREEN; break;
446             case XK_F7:
447                 val.i_int = ACTIONID_VOL_UP; break;
448             case XK_F8:
449                 val.i_int = ACTIONID_VOL_DOWN; break;
450             }
451             var_SetInteger( p_vout->p_libvlc, "key-action", val.i_int );
452         }
453         else if( ( xevent.type == VisibilityNotify &&
454                  xevent.xvisibility.state == VisibilityUnobscured ) ||
455                  xevent.type == FocusIn )
456         {
457             p_vout->p_sys->b_video_enabled = true;
458             p_vout->p_sys->p_output_picture->p->p_pixels =
459                 p_vout->p_sys->p_center;
460             XSetInputFocus( p_vout->p_sys->p_display, p_vout->p_sys->window,
461                             RevertToParent, CurrentTime );
462         }
463         else if( ( xevent.type == VisibilityNotify &&
464                  xevent.xvisibility.state != VisibilityUnobscured ) ||
465                  xevent.type == FocusOut || xevent.type == UnmapNotify )
466         {
467             UpdateScreen( p_vout, 0, 0,
468                           p_vout->p_sys->fb_vinfo.xres,
469                           p_vout->p_sys->fb_vinfo.yres,
470                           p_vout->p_sys->fb_vinfo.xres,
471                           p_vout->p_sys->fb_vinfo.yres,
472                           OMAPFB_COLOR_RGB565 );
473             p_vout->p_sys->b_video_enabled = false;
474             p_vout->p_sys->p_output_picture->p->p_pixels =
475                 p_vout->p_sys->p_null;
476          }
477     }
478
479     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
480     {
481         /* Update the object variable and trigger callback */
482         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
483
484         if( p_vout->p_sys->b_embed )
485             ToggleFullScreen( p_vout );
486         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
487     }
488
489     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
490     {
491         FreePicture( p_vout, p_vout->p_sys->p_output_picture );
492         if( Init( p_vout ) )
493         {
494             msg_Err( p_vout, "cannot reinit framebuffer screen" );
495             return VLC_EGENERIC;
496         }
497     }
498
499
500 #ifdef HAVE_OSSO
501     if ( p_vout->p_sys->p_octx != NULL ) {
502         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
503             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
504                 msg_Err( p_vout, "Could not disable backlight blanking" );
505         } else {
506                 msg_Dbg( p_vout, "Backlight blanking disabled" );
507             }
508             p_vout->p_sys->i_backlight_on_counter = 0;
509         } else {
510             p_vout->p_sys->i_backlight_on_counter ++;
511         }
512     }
513 #endif
514
515     return VLC_SUCCESS;
516 }
517
518 /*****************************************************************************
519  * DisplayVideo: displays previously rendered output
520  *****************************************************************************
521  * This function update the screen resulting in the display of the last
522  * rendered picture.
523  *****************************************************************************/
524 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
525 {
526     VLC_UNUSED( p_pic );
527
528     if( !p_vout->p_sys->b_video_enabled )
529         return;
530
531     UpdateScreen( p_vout,
532                   p_vout->p_sys->output_window.i_x,
533                   p_vout->p_sys->output_window.i_y,
534                   p_vout->p_sys->i_video_width,
535                   p_vout->p_sys->i_video_height,
536                   p_vout->p_sys->output_window.i_width,
537                   p_vout->p_sys->output_window.i_height,
538                   p_vout->p_sys->i_color_format );
539
540     // Wait for the window to be fully displayed
541     ioctl( p_vout->p_sys->i_fd, OMAPFB_SYNC_GFX);
542 }
543
544 /*****************************************************************************
545  * OpenDisplay: initialize framebuffer
546  *****************************************************************************/
547 static int OpenDisplay( vout_thread_t *p_vout )
548 {
549     vout_sys_t *p_sys = (vout_sys_t *) p_vout->p_sys;
550     char *psz_device;                             /* framebuffer device path */
551
552     /* Open framebuffer device */
553     if( !(psz_device = config_GetPsz( p_vout, FB_DEV_VAR )) )
554     {
555         msg_Err( p_vout, "don't know which fb device to open" );
556         return VLC_EGENERIC;
557     }
558
559     p_sys->i_fd = open( psz_device, O_RDWR );
560     if( p_sys->i_fd == -1 )
561     {
562         msg_Err( p_vout, "cannot open %s (%m)", psz_device );
563         free( psz_device );
564         return VLC_EGENERIC;
565     }
566     free( psz_device );
567     psz_device = NULL;
568
569     // Get caps, try older interface if needed
570     if( ioctl( p_sys->i_fd, OMAPFB_GET_CAPS, &p_sys->caps ) != 0 )
571     {
572         if( ioctl( p_sys->i_fd, OMAP_IOR( 42, unsigned long ), &p_sys->caps ) != 0 )
573         {
574             msg_Err( p_vout, "OMAPFB_GET_CAPS ioctl failed" );
575             close( p_sys->i_fd );
576             return VLC_EGENERIC;
577         }
578     }
579
580     if( ( p_sys->caps.ctrl & OMAPFB_CAPS_TEARSYNC ) != 0 )
581         p_sys->b_tearsync = true;
582
583     if( ioctl( p_sys->i_fd, FBIOGET_VSCREENINFO, &p_sys->fb_vinfo ) )
584     {
585         msg_Err( p_vout, "Can't get VSCREENINFO: %s", strerror(errno) );
586         return VLC_EGENERIC;
587     }
588     if( ioctl( p_sys->i_fd, FBIOGET_FSCREENINFO, &p_sys->fb_finfo ) )
589     {
590         msg_Err( p_vout, "Can't get FSCREENINFO: %s", strerror(errno) );
591         return VLC_EGENERIC;
592     }
593
594     p_sys->i_bytes_per_pixel = 2;
595     p_sys->i_page_size = p_sys->fb_finfo.smem_len;
596     p_sys->i_line_len = p_sys->fb_finfo.line_length;
597
598     if( (p_sys->p_video = (uint8_t *)mmap( 0, p_sys->i_page_size, PROT_READ | PROT_WRITE, MAP_SHARED,
599                                             p_sys->i_fd, 0 )) == MAP_FAILED )
600     {
601         msg_Err( p_vout, "Can't mmap: %s\n", strerror(errno) );
602         return VLC_EGENERIC;
603     }
604
605     p_sys->p_display = XOpenDisplay( NULL );
606
607     /* Open /dev/null and map it */
608     p_sys->i_null_fd = open( "/dev/zero", O_RDWR );
609     if( p_sys->i_null_fd == -1 )
610     {
611         msg_Err( p_vout, "cannot open /dev/zero (%m)" );
612         return VLC_EGENERIC;
613     }
614
615     if( (p_sys->p_null = (uint8_t *)mmap( 0, p_sys->i_page_size, PROT_READ | PROT_WRITE,
616                                           MAP_PRIVATE, p_sys->i_null_fd, 0 )) == MAP_FAILED )
617     {
618         msg_Err( p_vout, "Can't mmap 2: %s\n", strerror(errno) );
619         return VLC_EGENERIC;
620     }
621
622     return VLC_SUCCESS;
623 }
624
625 /*****************************************************************************
626  * CloseDisplay: terminate FB video thread output method
627  *****************************************************************************/
628 static void CloseDisplay( vout_thread_t *p_vout )
629 {
630     munmap( p_vout->p_sys->p_video, p_vout->p_sys->i_page_size );
631     munmap( p_vout->p_sys->p_null,  p_vout->p_sys->i_page_size );
632
633     close( p_vout->p_sys->i_fd );
634     close( p_vout->p_sys->i_null_fd );
635 }
636
637 /*****************************************************************************
638  * UpdateScreen: update the screen of the omapfb
639  *****************************************************************************/
640 static void UpdateScreen( vout_thread_t *p_vout, int i_x, int i_y,
641                           int i_width, int i_height,
642                           int i_out_width, int i_out_height, int i_format )
643 {
644     struct omapfb_update_window update;
645     update.x = i_x;
646     update.y = i_y;
647     update.width = i_width;
648     update.height = i_height;
649     update.out_x = i_x;
650     update.out_y = i_y;
651     update.out_width = i_out_width;
652     update.out_height = i_out_height;
653     update.format = i_format;
654     if( p_vout->p_sys->b_tearsync )
655         update.format |= OMAPFB_FORMAT_FLAG_TEARSYNC;
656     ioctl( p_vout->p_sys->i_fd, OMAPFB_UPDATE_WINDOW, &update );
657 }
658
659 /*****************************************************************************
660  * InitWindow: get embedded window and init X11
661  *****************************************************************************/
662 static int InitWindow( vout_thread_t *p_vout )
663 {
664     vout_sys_t *p_sys = (vout_sys_t *)p_vout->p_sys;
665
666     if( p_sys->b_embed )
667     {
668         p_sys->p_display = XOpenDisplay( NULL );
669
670         // Request window from interface
671         p_sys->owner_window =
672             vout_RequestWindow( p_vout,
673                                 &p_sys->embedded_window.i_x,
674                                 &p_sys->embedded_window.i_y,
675                                 &p_sys->embedded_window.i_width,
676                                 &p_sys->embedded_window.i_height );
677         p_sys->main_window = p_sys->embedded_window;
678
679         // We have to create a new window to get some events
680         // (ButtonPress for example)
681         CreateWindow( p_sys );
682     }
683     else
684     {
685         // No embedding, fullscreen framebuffer overlay with no events handling
686         p_sys->main_window.i_x = p_sys->main_window.i_y = 0;
687         p_sys->main_window.i_width = p_sys->fb_vinfo.xres;
688         p_sys->main_window.i_height = p_sys->fb_vinfo.yres;
689         p_vout->b_fullscreen = true;
690         var_SetBool( p_vout, "fullscreen", p_vout->b_fullscreen );
691     }
692
693     return VLC_SUCCESS;
694 }
695
696 static void CreateWindow( vout_sys_t *p_sys )
697 {
698     XSetWindowAttributes    xwindow_attributes;
699     xwindow_attributes.backing_store = Always;
700     xwindow_attributes.background_pixel =
701         BlackPixel( p_sys->p_display, DefaultScreen(p_sys->p_display) );
702     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
703     p_sys->window = XCreateWindow( p_sys->p_display,
704                                    p_sys->owner_window->handle,
705                                    0, 0,
706                                    p_sys->main_window.i_width,
707                                    p_sys->main_window.i_height,
708                                    0,
709                                    0, InputOutput, 0,
710                                    CWBackingStore | CWBackPixel | CWEventMask,
711                                    &xwindow_attributes );
712
713     XMapWindow( p_sys->p_display, p_sys->window );
714     XSelectInput( p_sys->p_display, p_sys->window,
715                   KeyPressMask | ButtonPressMask | StructureNotifyMask |
716                   VisibilityChangeMask | FocusChangeMask );
717     XSelectInput( p_sys->p_display, p_sys->owner_window->handle,
718                   StructureNotifyMask );
719     XSetInputFocus( p_sys->p_display, p_sys->window, RevertToParent, CurrentTime );
720 }
721
722 static void ToggleFullScreen ( vout_thread_t * p_vout )
723 {
724     p_vout->b_fullscreen = !p_vout->b_fullscreen;
725
726     if( p_vout->b_fullscreen )
727     {
728         msg_Dbg( p_vout, "Entering fullscreen mode" );
729         XReparentWindow( p_vout->p_sys->p_display,
730                          p_vout->p_sys->window,
731                          DefaultRootWindow( p_vout->p_sys->p_display ),
732                          0, 0 );
733
734         XEvent xev;
735
736         /* init X event structure for _NET_WM_FULLSCREEN client msg */
737         xev.xclient.type = ClientMessage;
738         xev.xclient.serial = 0;
739         xev.xclient.send_event = True;
740         xev.xclient.message_type = XInternAtom( p_vout->p_sys->p_display,
741                                                 "_NET_WM_STATE", False );
742         xev.xclient.window = p_vout->p_sys->window;
743         xev.xclient.format = 32;
744         if( p_vout->b_fullscreen )
745             xev.xclient.data.l[0] = 1;
746         else
747             xev.xclient.data.l[0] = 0;
748         xev.xclient.data.l[1] = XInternAtom( p_vout->p_sys->p_display,
749                                             "_NET_WM_STATE_FULLSCREEN", False );
750         xev.xclient.data.l[2] = 0;
751         xev.xclient.data.l[3] = 0;
752         xev.xclient.data.l[4] = 0;
753
754         XSendEvent( p_vout->p_sys->p_display,
755                     DefaultRootWindow( p_vout->p_sys->p_display ), False,
756                     SubstructureRedirectMask | SubstructureNotifyMask, &xev);
757
758         p_vout->p_sys->main_window.i_x = p_vout->p_sys->main_window.i_y = 0;
759         p_vout->p_sys->main_window.i_width = p_vout->p_sys->fb_vinfo.xres;
760         p_vout->p_sys->main_window.i_height = p_vout->p_sys->fb_vinfo.yres;
761     }
762     else
763     {
764         msg_Dbg( p_vout, "Leaving fullscreen mode" );
765
766         XDestroyWindow( p_vout->p_sys->p_display, p_vout->p_sys->window );
767
768         p_vout->p_sys->main_window = p_vout->p_sys->embedded_window;
769         CreateWindow( p_vout->p_sys );
770     }
771
772     XSync( p_vout->p_sys->p_display, False);
773
774     /* signal that the size needs to be updated */
775     p_vout->i_changes |= VOUT_SIZE_CHANGE;
776 }