X11 video output: give the focus to the video window when going fullscreen, that...
[vlc.git] / modules / video_output / x11 / xcommon.c
1 /*****************************************************************************
2  * xcommon.c: Functions common to the X11 and XVideo plugins
3  *****************************************************************************
4  * Copyright (C) 1998-2006 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
8  *          Sam Hocevar <sam@zoy.org>
9  *          David Kennedy <dkennedy@tinytoad.com>
10  *          Gildas Bazin <gbazin@videolan.org>
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation; either version 2 of the License, or
15  * (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25  *****************************************************************************/
26
27 /*****************************************************************************
28  * Preamble
29  *****************************************************************************/
30 #include <vlc/vlc.h>
31 #include <vlc_interface.h>
32 #include <vlc_playlist.h>
33 #include <vlc_vout.h>
34 #include <vlc_keys.h>
35
36 #include <errno.h>                                                 /* ENOMEM */
37
38 #ifdef HAVE_MACHINE_PARAM_H
39     /* BSD */
40 #   include <machine/param.h>
41 #   include <sys/types.h>                                  /* typedef ushort */
42 #   include <sys/ipc.h>
43 #endif
44
45 #ifndef WIN32
46 #   include <netinet/in.h>                            /* BSD: struct in_addr */
47 #endif
48
49 #ifdef HAVE_XSP
50 #include <X11/extensions/Xsp.h>
51 #endif
52
53 #ifdef HAVE_SYS_SHM_H
54 #   include <sys/shm.h>                                /* shmget(), shmctl() */
55 #endif
56
57 #include <X11/Xlib.h>
58 #include <X11/Xproto.h>
59 #include <X11/Xmd.h>
60 #include <X11/Xutil.h>
61 #include <X11/keysym.h>
62 #include <X11/XF86keysym.h>
63 #ifdef HAVE_SYS_SHM_H
64 #   include <X11/extensions/XShm.h>
65 #endif
66 #ifdef DPMSINFO_IN_DPMS_H
67 #   include <X11/extensions/dpms.h>
68 #endif
69
70 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
71 #   include <X11/extensions/Xv.h>
72 #   include <X11/extensions/Xvlib.h>
73 #endif
74
75 #ifdef MODULE_NAME_IS_glx
76 #   include <GL/glx.h>
77 #endif
78
79 #ifdef HAVE_XINERAMA
80 #   include <X11/extensions/Xinerama.h>
81 #endif
82
83 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
84 #   include <X11/extensions/xf86vmode.h>
85 #endif
86
87 #ifdef MODULE_NAME_IS_xvmc
88 #   include <X11/extensions/vldXvMC.h>
89 #   include "../../codec/xvmc/accel_xvmc.h"
90 #endif
91
92 #include "xcommon.h"
93
94 /*****************************************************************************
95  * Local prototypes
96  *****************************************************************************/
97 int  E_(Activate)   ( vlc_object_t * );
98 void E_(Deactivate) ( vlc_object_t * );
99
100 static int  InitVideo      ( vout_thread_t * );
101 static void EndVideo       ( vout_thread_t * );
102 static void DisplayVideo   ( vout_thread_t *, picture_t * );
103 static int  ManageVideo    ( vout_thread_t * );
104 static int  Control        ( vout_thread_t *, int, va_list );
105
106 static int  InitDisplay    ( vout_thread_t * );
107
108 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
109 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
110
111 static int  NewPicture     ( vout_thread_t *, picture_t * );
112 static void FreePicture    ( vout_thread_t *, picture_t * );
113
114 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
115                                     Display *, EXTRA_ARGS, int, int );
116 #ifdef HAVE_SYS_SHM_H
117 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
118                                     Display *, EXTRA_ARGS_SHM, int, int );
119 static int i_shm_major = 0;
120 #endif
121
122 static void ToggleFullScreen      ( vout_thread_t * );
123
124 static void EnableXScreenSaver    ( vout_thread_t * );
125 static void DisableXScreenSaver   ( vout_thread_t * );
126
127 static void CreateCursor   ( vout_thread_t * );
128 static void DestroyCursor  ( vout_thread_t * );
129 static void ToggleCursor   ( vout_thread_t * );
130
131 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
132 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
133 static void XVideoReleasePort( vout_thread_t *, int );
134 #endif
135
136 #ifdef MODULE_NAME_IS_x11
137 static void SetPalette     ( vout_thread_t *,
138                              uint16_t *, uint16_t *, uint16_t * );
139 #endif
140
141 #ifdef MODULE_NAME_IS_xvmc
142 static void RenderVideo    ( vout_thread_t *, picture_t * );
143 static int  xvmc_check_yv12( Display *display, XvPortID port );
144 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
145 #endif
146
147 static void TestNetWMSupport( vout_thread_t * );
148 static int ConvertKey( int );
149
150 static int WindowOnTop( vout_thread_t *, vlc_bool_t );
151
152 static int X11ErrorHandler( Display *, XErrorEvent * );
153
154 #ifdef HAVE_XSP
155 static void EnablePixelDoubling( vout_thread_t *p_vout );
156 static void DisablePixelDoubling( vout_thread_t *p_vout );
157 #endif
158
159 #ifdef HAVE_OSSO
160 static const int i_backlight_on_interval = 300;
161 #endif
162
163
164
165 /*****************************************************************************
166  * Activate: allocate X11 video thread output method
167  *****************************************************************************
168  * This function allocate and initialize a X11 vout method. It uses some of the
169  * vout properties to choose the window size, and change them according to the
170  * actual properties of the display.
171  *****************************************************************************/
172 int E_(Activate) ( vlc_object_t *p_this )
173 {
174     vout_thread_t *p_vout = (vout_thread_t *)p_this;
175     char *        psz_display;
176     vlc_value_t   val;
177 #if defined(MODULE_NAME_IS_xvmc)
178     char *psz_value;
179 #endif
180 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
181     char *       psz_chroma;
182     vlc_fourcc_t i_chroma = 0;
183     vlc_bool_t   b_chroma = 0;
184 #endif
185
186     p_vout->pf_init = InitVideo;
187     p_vout->pf_end = EndVideo;
188     p_vout->pf_manage = ManageVideo;
189 #ifdef MODULE_NAME_IS_xvmc
190     p_vout->pf_render = RenderVideo;
191 #else
192     p_vout->pf_render = NULL;
193 #endif
194     p_vout->pf_display = DisplayVideo;
195     p_vout->pf_control = Control;
196
197     /* Allocate structure */
198     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
199     if( p_vout->p_sys == NULL )
200     {
201         msg_Err( p_vout, "out of memory" );
202         return VLC_ENOMEM;
203     }
204
205     vlc_mutex_init( p_vout, &p_vout->p_sys->lock );
206
207     /* Open display, using the "display" config variable or the DISPLAY
208      * environment variable */
209     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
210
211     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
212
213     if( p_vout->p_sys->p_display == NULL )                         /* error */
214     {
215         msg_Err( p_vout, "cannot open display %s",
216                          XDisplayName( psz_display ) );
217         free( p_vout->p_sys );
218         if( psz_display ) free( psz_display );
219         return VLC_EGENERIC;
220     }
221     if( psz_display ) free( psz_display );
222
223     /* Replace error handler so we can intercept some non-fatal errors */
224     XSetErrorHandler( X11ErrorHandler );
225
226     /* Get a screen ID matching the XOpenDisplay return value */
227     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
228
229 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
230     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
231     if( psz_chroma )
232     {
233         if( strlen( psz_chroma ) >= 4 )
234         {
235             /* Do not use direct assignment because we are not sure of the
236              * alignment. */
237             memcpy(&i_chroma, psz_chroma, 4);
238             b_chroma = 1;
239         }
240
241         free( psz_chroma );
242     }
243
244     if( b_chroma )
245     {
246         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
247                  i_chroma, (char*)&i_chroma );
248     }
249     else
250     {
251         i_chroma = p_vout->render.i_chroma;
252     }
253
254     /* Check that we have access to an XVideo port providing this chroma */
255     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
256                                              &p_vout->output.i_chroma );
257     if( p_vout->p_sys->i_xvport < 0 )
258     {
259         /* If a specific chroma format was requested, then we don't try to
260          * be cleverer than the user. He knew pretty well what he wanted. */
261         if( b_chroma )
262         {
263             XCloseDisplay( p_vout->p_sys->p_display );
264             free( p_vout->p_sys );
265             return VLC_EGENERIC;
266         }
267
268         /* It failed, but it's not completely lost ! We try to open an
269          * XVideo port for an YUY2 picture. We'll need to do an YUV
270          * conversion, but at least it has got scaling. */
271         p_vout->p_sys->i_xvport =
272                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
273                                                &p_vout->output.i_chroma );
274         if( p_vout->p_sys->i_xvport < 0 )
275         {
276             /* It failed, but it's not completely lost ! We try to open an
277              * XVideo port for a simple 16bpp RGB picture. We'll need to do
278              * an YUV conversion, but at least it has got scaling. */
279             p_vout->p_sys->i_xvport =
280                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
281                                                    &p_vout->output.i_chroma );
282             if( p_vout->p_sys->i_xvport < 0 )
283             {
284                 XCloseDisplay( p_vout->p_sys->p_display );
285                 free( p_vout->p_sys );
286                 return VLC_EGENERIC;
287             }
288         }
289     }
290     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
291 #elif defined(MODULE_NAME_IS_glx)
292     {
293         int i_opcode, i_evt, i_err = 0;
294         int i_maj, i_min = 0;
295
296         /* Check for GLX extension */
297         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
298                               &i_opcode, &i_evt, &i_err ) )
299         {
300             msg_Err( p_this, "GLX extension not supported" );
301             XCloseDisplay( p_vout->p_sys->p_display );
302             free( p_vout->p_sys );
303             return VLC_EGENERIC;
304         }
305         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
306         {
307             msg_Err( p_this, "glXQueryExtension failed" );
308             XCloseDisplay( p_vout->p_sys->p_display );
309             free( p_vout->p_sys );
310             return VLC_EGENERIC;
311         }
312
313         /* Check GLX version */
314         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
315         {
316             msg_Err( p_this, "glXQueryVersion failed" );
317             XCloseDisplay( p_vout->p_sys->p_display );
318             free( p_vout->p_sys );
319             return VLC_EGENERIC;
320         }
321         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
322         {
323             p_vout->p_sys->b_glx13 = VLC_FALSE;
324             msg_Dbg( p_this, "using GLX 1.2 API" );
325         }
326         else
327         {
328             p_vout->p_sys->b_glx13 = VLC_TRUE;
329             msg_Dbg( p_this, "using GLX 1.3 API" );
330         }
331     }
332 #endif
333
334     /* Create blank cursor (for mouse cursor autohiding) */
335     p_vout->p_sys->i_time_mouse_last_moved = mdate();
336     p_vout->p_sys->b_mouse_pointer_visible = 1;
337     CreateCursor( p_vout );
338
339     /* Set main window's size */
340     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
341     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
342     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
343     /* Spawn base window - this window will include the video output window,
344      * but also command buttons, subtitles and other indicators */
345     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
346     {
347         msg_Err( p_vout, "cannot create X11 window" );
348         DestroyCursor( p_vout );
349         XCloseDisplay( p_vout->p_sys->p_display );
350         free( p_vout->p_sys );
351         return VLC_EGENERIC;
352     }
353
354     /* Open and initialize device. */
355     if( InitDisplay( p_vout ) )
356     {
357         msg_Err( p_vout, "cannot initialize X11 display" );
358         DestroyCursor( p_vout );
359         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
360         XCloseDisplay( p_vout->p_sys->p_display );
361         free( p_vout->p_sys );
362         return VLC_EGENERIC;
363     }
364
365     /* Disable screen saver */
366     DisableXScreenSaver( p_vout );
367
368     /* Misc init */
369     p_vout->p_sys->b_altfullscreen = 0;
370     p_vout->p_sys->i_time_button_last_pressed = 0;
371
372     TestNetWMSupport( p_vout );
373
374 #ifdef MODULE_NAME_IS_xvmc
375     p_vout->p_sys->p_last_subtitle_save = NULL;
376     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
377
378     /* Look what method was requested */
379     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
380     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
381     if( psz_value )
382     {
383         if( (strcmp(psz_value, "bob") == 0) ||
384             (strcmp(psz_value, "blend") == 0) )
385            p_vout->p_sys->xvmc_deinterlace_method = 2;
386         else if (strcmp(psz_value, "discard") == 0)
387            p_vout->p_sys->xvmc_deinterlace_method = 1;
388         else
389            p_vout->p_sys->xvmc_deinterlace_method = 0;
390         free(psz_value );
391     }
392     else
393         p_vout->p_sys->xvmc_deinterlace_method = 0;
394
395     /* Look what method was requested */
396     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
397     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
398     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
399
400     if( psz_value )
401     {
402         if( strncmp( psz_value, "eq", 2 ) == 0 )
403            p_vout->p_sys->xvmc_crop_style = 1;
404         else if( strncmp( psz_value, "4-16", 4 ) == 0)
405            p_vout->p_sys->xvmc_crop_style = 2;
406         else if( strncmp( psz_value, "16-4", 4 ) == 0)
407            p_vout->p_sys->xvmc_crop_style = 3;
408         else
409            p_vout->p_sys->xvmc_crop_style = 0;
410         free( psz_value );
411     }
412     else
413         p_vout->p_sys->xvmc_crop_style = 0;
414
415     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
416     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
417
418     if( !checkXvMCCap( p_vout ) )
419     {
420         msg_Err( p_vout, "no XVMC capability found" );
421         E_(Deactivate)( p_vout );
422         return VLC_EGENERIC;
423     }
424     sub_pic.p_sys = NULL;
425     p_vout->p_sys->last_date = 0;
426 #endif
427
428 #ifdef HAVE_XSP
429     p_vout->p_sys->i_hw_scale = 1;
430 #endif
431
432 #ifdef HAVE_OSSO
433     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
434     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
435     if ( p_vout->p_sys->p_octx == NULL ) {
436         msg_Err( p_vout, "Could not get osso context" );
437     } else {
438         msg_Dbg( p_vout, "Initialized osso context" );
439     }
440 #endif
441
442     /* Variable to indicate if the window should be on top of others */
443     /* Trigger a callback right now */
444     var_Get( p_vout, "video-on-top", &val );
445     var_Set( p_vout, "video-on-top", val );
446
447     return VLC_SUCCESS;
448 }
449
450 /*****************************************************************************
451  * Deactivate: destroy X11 video thread output method
452  *****************************************************************************
453  * Terminate an output method created by Open
454  *****************************************************************************/
455 void E_(Deactivate) ( vlc_object_t *p_this )
456 {
457     vout_thread_t *p_vout = (vout_thread_t *)p_this;
458
459     /* If the fullscreen window is still open, close it */
460     if( p_vout->b_fullscreen )
461     {
462         ToggleFullScreen( p_vout );
463     }
464
465     /* Restore cursor if it was blanked */
466     if( !p_vout->p_sys->b_mouse_pointer_visible )
467     {
468         ToggleCursor( p_vout );
469     }
470
471 #ifdef MODULE_NAME_IS_x11
472     /* Destroy colormap */
473     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
474     {
475         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
476     }
477 #elif defined(MODULE_NAME_IS_xvideo)
478     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
479 #elif defined(MODULE_NAME_IS_xvmc)
480     if( p_vout->p_sys->xvmc_cap )
481     {
482         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
483         xxmc_dispose_context( p_vout );
484         if( p_vout->p_sys->old_subpic )
485         {
486             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
487             p_vout->p_sys->old_subpic = NULL;
488         }
489         if( p_vout->p_sys->new_subpic )
490         {
491             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
492             p_vout->p_sys->new_subpic = NULL;
493         }
494         free( p_vout->p_sys->xvmc_cap );
495         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
496     }
497 #endif
498
499 #ifdef HAVE_XSP
500     DisablePixelDoubling(p_vout);
501 #endif
502
503     DestroyCursor( p_vout );
504     EnableXScreenSaver( p_vout );
505     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
506     XCloseDisplay( p_vout->p_sys->p_display );
507
508     /* Destroy structure */
509     vlc_mutex_destroy( &p_vout->p_sys->lock );
510 #ifdef MODULE_NAME_IS_xvmc
511     free_context_lock( &p_vout->p_sys->xvmc_lock );
512 #endif
513
514 #ifdef HAVE_OSSO
515     if ( p_vout->p_sys->p_octx != NULL ) {
516         msg_Dbg( p_vout, "Deinitializing osso context" );
517         osso_deinitialize( p_vout->p_sys->p_octx );
518     }
519 #endif
520
521     free( p_vout->p_sys );
522 }
523
524 #ifdef MODULE_NAME_IS_xvmc
525
526 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
527
528 /* called xlocked */
529 static int xvmc_check_yv12( Display *display, XvPortID port )
530 {
531     XvImageFormatValues *formatValues;
532     int                  formats;
533     int                  i;
534
535     formatValues = XvListImageFormats( display, port, &formats );
536
537     for( i = 0; i < formats; i++ )
538     {
539         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
540             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
541         {
542             XFree (formatValues);
543             return 0;
544         }
545     }
546
547     XFree (formatValues);
548     return 1;
549 }
550
551 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
552 {
553     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
554 }
555
556 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
557 {
558     Atom         atom;
559     int          xv_double_buffer;
560
561     xv_double_buffer = 1;
562
563     XLockDisplay( p_vout->p_sys->p_display );
564     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
565 #if 0
566     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
567 #endif
568     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
569     XUnlockDisplay( p_vout->p_sys->p_display );
570
571     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
572     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
573 }
574
575 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
576 {
577     vlc_xxmc_t *xxmc = NULL;
578
579     vlc_mutex_lock( &p_vout->p_sys->lock );
580     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
581
582     xxmc = &p_pic->p_sys->xxmc_data;
583     if( (!xxmc->decoded ||
584         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
585     {
586         vlc_mutex_unlock( &p_vout->p_sys->lock );
587         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
588         return;
589     }
590
591     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
592
593     if (p_vout->p_last_subtitle != NULL)
594     {
595         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_last_subtitle )
596         {
597             p_vout->p_sys->new_subpic =
598                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
599                     p_vout->p_sys->xvmc_width,
600                     p_vout->p_sys->xvmc_height,
601                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
602
603             if (p_vout->p_sys->new_subpic)
604             {
605                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
606                 XvMCClearSubpicture( p_vout->p_sys->p_display,
607                         p_vout->p_sys->new_subpic,
608                         0,
609                         0,
610                         p_vout->p_sys->xvmc_width,
611                         p_vout->p_sys->xvmc_height,
612                         0x00 );
613                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
614                 clear_xx44_palette( &p_vout->p_sys->palette );
615
616                 if( sub_pic.p_sys == NULL )
617                 {
618                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
619                     if( sub_pic.p_sys != NULL )
620                     {
621                         sub_pic.p_sys->p_vout = p_vout;
622                         sub_pic.p_sys->xvmc_surf = NULL;
623                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
624                     }
625                 }
626                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
627                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
628                 sub_pic.p->i_pitch = p_vout->output.i_width;
629
630                 memset( p_vout->p_sys->subImage->data, 0,
631                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
632
633                 if (p_vout->p_last_subtitle != NULL)
634                 {
635                     blend_xx44( p_vout->p_sys->subImage->data,
636                                 p_vout->p_last_subtitle,
637                                 p_vout->p_sys->subImage->width,
638                                 p_vout->p_sys->subImage->height,
639                                 p_vout->p_sys->subImage->width,
640                                 &p_vout->p_sys->palette,
641                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
642                 }
643
644                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
645                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
646                                          p_vout->p_sys->new_subpic,
647                                          p_vout->p_sys->subImage,
648                                          0, /* overlay->x */
649                                          0, /* overlay->y */
650                                          p_vout->output.i_width, /* overlay->width, */
651                                          p_vout->output.i_height, /* overlay->height */
652                                          0, /* overlay->x */
653                                          0 ); /*overlay->y */
654                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
655                 if (p_vout->p_sys->old_subpic)
656                 {
657                     xxmc_xvmc_free_subpicture( p_vout,
658                                                p_vout->p_sys->old_subpic);
659                     p_vout->p_sys->old_subpic = NULL;
660                 }
661                 if (p_vout->p_sys->new_subpic)
662                 {
663                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
664                     p_vout->p_sys->new_subpic = NULL;
665                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
666                             p_vout->p_sys->xvmc_palette,
667                             0,
668                             p_vout->p_sys->old_subpic->num_palette_entries,
669                             p_vout->p_sys->old_subpic->entry_bytes,
670                             p_vout->p_sys->old_subpic->component_order );
671                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
672                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
673                                               p_vout->p_sys->old_subpic,
674                                               p_vout->p_sys->xvmc_palette );
675                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
676                                          p_vout->p_sys->old_subpic);
677                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
678                                         p_vout->p_sys->old_subpic );
679                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
680                 }
681
682                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
683                 if (p_vout->p_sys->xvmc_backend_subpic )
684                 {
685                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
686                                          p_pic->p_sys->xvmc_surf,
687                                          p_vout->p_sys->old_subpic,
688                                          0,
689                                          0,
690                                          p_vout->p_sys->xvmc_width,
691                                          p_vout->p_sys->xvmc_height,
692                                          0,
693                                          0,
694                                          p_vout->p_sys->xvmc_width,
695                                          p_vout->p_sys->xvmc_height );
696                 }
697                 else
698                 {
699                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
700                                           p_pic->p_sys->xvmc_surf,
701                                           p_pic->p_sys->xvmc_surf,
702                                           p_vout->p_sys->old_subpic,
703                                           0,
704                                           0,
705                                           p_vout->p_sys->xvmc_width,
706                                           p_vout->p_sys->xvmc_height,
707                                           0,
708                                           0,
709                                           p_vout->p_sys->xvmc_width,
710                                           p_vout->p_sys->xvmc_height );
711                }
712                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
713             }
714         }
715         else
716         {
717             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
718             if( p_vout->p_sys->xvmc_backend_subpic )
719             {
720                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
721                                      p_pic->p_sys->xvmc_surf,
722                                      p_vout->p_sys->old_subpic,
723                                      0, 0,
724                                      p_vout->p_sys->xvmc_width,
725                                      p_vout->p_sys->xvmc_height,
726                                      0, 0,
727                                      p_vout->p_sys->xvmc_width,
728                                      p_vout->p_sys->xvmc_height );
729             }
730             else
731             {
732                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
733                                       p_pic->p_sys->xvmc_surf,
734                                       p_pic->p_sys->xvmc_surf,
735                                       p_vout->p_sys->old_subpic,
736                                       0, 0,
737                                       p_vout->p_sys->xvmc_width,
738                                       p_vout->p_sys->xvmc_height,
739                                       0, 0,
740                                       p_vout->p_sys->xvmc_width,
741                                       p_vout->p_sys->xvmc_height );
742             }
743             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
744         }
745     }
746     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
747
748     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
749     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
750
751     vlc_mutex_unlock( &p_vout->p_sys->lock );
752 }
753 #endif
754
755 #ifdef HAVE_XSP
756 /*****************************************************************************
757  * EnablePixelDoubling: Enables pixel doubling
758  *****************************************************************************
759  * Checks if the double size image fits in current window, and enables pixel
760  * doubling accordingly. The i_hw_scale is the integer scaling factor.
761  *****************************************************************************/
762 static void EnablePixelDoubling( vout_thread_t *p_vout )
763 {
764     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
765     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
766     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
767         p_vout->p_sys->i_hw_scale = 2;
768         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
769         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
770     }
771 }
772
773 /*****************************************************************************
774  * DisablePixelDoubling: Disables pixel doubling
775  *****************************************************************************
776  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
777  *****************************************************************************/
778 static void DisablePixelDoubling( vout_thread_t *p_vout )
779 {
780     if ( p_vout->p_sys->i_hw_scale > 1 ) {
781         msg_Dbg( p_vout, "Disabling pixel doubling" );
782         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
783         p_vout->p_sys->i_hw_scale = 1;
784     }
785 }
786 #endif
787
788
789
790 /*****************************************************************************
791  * InitVideo: initialize X11 video thread output method
792  *****************************************************************************
793  * This function create the XImages needed by the output thread. It is called
794  * at the beginning of the thread, but also each time the window is resized.
795  *****************************************************************************/
796 static int InitVideo( vout_thread_t *p_vout )
797 {
798     unsigned int i_index = 0;
799     picture_t *p_pic;
800
801     I_OUTPUTPICTURES = 0;
802
803 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
804     /* Initialize the output structure; we already found an XVideo port,
805      * and the corresponding chroma we will be using. Since we can
806      * arbitrary scale, stick to the coordinates and aspect. */
807     p_vout->output.i_width  = p_vout->render.i_width;
808     p_vout->output.i_height = p_vout->render.i_height;
809     p_vout->output.i_aspect = p_vout->render.i_aspect;
810
811     p_vout->fmt_out = p_vout->fmt_in;
812     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
813
814     switch( p_vout->output.i_chroma )
815     {
816         case VLC_FOURCC('R','V','1','6'):
817 #if defined( WORDS_BIGENDIAN )
818             p_vout->output.i_rmask = 0xf800;
819             p_vout->output.i_gmask = 0x07e0;
820             p_vout->output.i_bmask = 0x001f;
821 #else
822             p_vout->output.i_rmask = 0x001f;
823             p_vout->output.i_gmask = 0x07e0;
824             p_vout->output.i_bmask = 0xf800;
825 #endif
826             break;
827         case VLC_FOURCC('R','V','1','5'):
828 #if defined( WORDS_BIGENDIAN )
829             p_vout->output.i_rmask = 0x7c00;
830             p_vout->output.i_gmask = 0x03e0;
831             p_vout->output.i_bmask = 0x001f;
832 #else
833             p_vout->output.i_rmask = 0x001f;
834             p_vout->output.i_gmask = 0x03e0;
835             p_vout->output.i_bmask = 0x7c00;
836 #endif
837             break;
838     }
839
840 #elif defined(MODULE_NAME_IS_x11)
841     /* Initialize the output structure: RGB with square pixels, whatever
842      * the input format is, since it's the only format we know */
843     switch( p_vout->p_sys->i_screen_depth )
844     {
845         case 8: /* FIXME: set the palette */
846             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
847         case 15:
848             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
849         case 16:
850             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
851         case 24:
852         case 32:
853             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
854         default:
855             msg_Err( p_vout, "unknown screen depth %i",
856                      p_vout->p_sys->i_screen_depth );
857             return VLC_SUCCESS;
858     }
859
860 #ifdef HAVE_XSP
861     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
862                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
863                        &i_index, &i_index,
864                        &p_vout->fmt_out.i_visible_width,
865                        &p_vout->fmt_out.i_visible_height );
866 #else
867     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
868                        p_vout->p_sys->p_win->i_height,
869                        &i_index, &i_index,
870                        &p_vout->fmt_out.i_visible_width,
871                        &p_vout->fmt_out.i_visible_height );
872 #endif
873
874     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
875
876     p_vout->output.i_width = p_vout->fmt_out.i_width =
877         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
878         p_vout->fmt_in.i_visible_width;
879     p_vout->output.i_height = p_vout->fmt_out.i_height =
880         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
881         p_vout->fmt_in.i_visible_height;
882     p_vout->fmt_out.i_x_offset =
883         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
884         p_vout->fmt_in.i_visible_width;
885     p_vout->fmt_out.i_y_offset =
886         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
887         p_vout->fmt_in.i_visible_height;
888
889     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
890     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
891         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
892
893     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
894              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
895              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
896              p_vout->fmt_out.i_visible_width,
897              p_vout->fmt_out.i_visible_height );
898 #endif
899
900     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
901     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
902     {
903         p_pic = NULL;
904
905         /* Find an empty picture slot */
906         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
907         {
908           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
909             {
910                 p_pic = p_vout->p_picture + i_index;
911                 break;
912             }
913         }
914
915         /* Allocate the picture */
916         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
917         {
918             break;
919         }
920
921         p_pic->i_status = DESTROYED_PICTURE;
922         p_pic->i_type   = DIRECT_PICTURE;
923
924         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
925
926         I_OUTPUTPICTURES++;
927     }
928
929     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
930     {
931         /* U and V inverted compared to I420
932          * Fixme: this should be handled by the vout core */
933         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
934         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
935     }
936
937     return VLC_SUCCESS;
938 }
939
940 /*****************************************************************************
941  * DisplayVideo: displays previously rendered output
942  *****************************************************************************
943  * This function sends the currently rendered image to X11 server.
944  * (The Xv extension takes care of "double-buffering".)
945  *****************************************************************************/
946 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
947 {
948     unsigned int i_width, i_height, i_x, i_y;
949
950     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
951                        p_vout->p_sys->p_win->i_height,
952                        &i_x, &i_y, &i_width, &i_height );
953
954     vlc_mutex_lock( &p_vout->p_sys->lock );
955
956 #ifdef MODULE_NAME_IS_xvmc
957     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
958
959     vlc_xxmc_t *xxmc = &p_picture->p_sys->xxmc_data;
960     if( !xxmc->decoded ||
961         !xxmc_xvmc_surface_valid( p_vout, p_picture->p_sys->xvmc_surf ) )
962     {
963       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
964                xxmc->decoded,
965                xxmc_xvmc_surface_valid( p_vout, p_picture->p_sys->xvmc_surf ) );
966       vlc_mutex_unlock( &p_vout->p_sys->lock );
967       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
968       return;
969     }
970
971     src_width = p_vout->output.i_width;
972     src_height = p_vout->output.i_height;
973
974     if( p_vout->p_sys->xvmc_crop_style == 1 )
975     {
976         src_x = 20;
977         src_y = 20;
978         src_width -= 40;
979         src_height -= 40;
980     }
981     else if( p_vout->p_sys->xvmc_crop_style == 2 )
982     {
983         src_x = 20;
984         src_y = 40;
985         src_width -= 40;
986         src_height -= 80;
987     }
988     else if( p_vout->p_sys->xvmc_crop_style == 3 )
989     {
990         src_x = 40;
991         src_y = 20;
992         src_width -= 80;
993         src_height -= 40;
994     }
995     else
996     {
997         src_x = 0;
998         src_y = 0;
999     }
1000
1001     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1002     {   /* BOB DEINTERLACE */
1003         if( (p_picture->p_sys->nb_display == 0) ||
1004             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1005         {
1006             first_field = (p_picture->b_top_field_first) ?
1007                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1008         }
1009         else
1010         {
1011             first_field = (p_picture->b_top_field_first) ?
1012                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1013         }
1014     }
1015     else
1016     {
1017         first_field = XVMC_FRAME_PICTURE;
1018      }
1019
1020     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1021     XvMCFlushSurface( p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf );
1022     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1023     XvMCPutSurface( p_vout->p_sys->p_display,
1024                     p_picture->p_sys->xvmc_surf,
1025                     p_vout->p_sys->p_win->video_window,
1026                     src_x,
1027                     src_y,
1028                     src_width,
1029                     src_height,
1030                     0 /*dest_x*/,
1031                     0 /*dest_y*/,
1032                     i_width,
1033                     i_height,
1034                     first_field);
1035
1036     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1037     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1038     {   /* BOB DEINTERLACE */
1039         if( p_picture->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1040         {
1041             mtime_t last_date = p_picture->date;
1042
1043             vlc_mutex_lock( &p_vout->picture_lock );
1044             if( !p_vout->p_sys->last_date )
1045             {
1046                 p_picture->date += 20000;
1047             }
1048             else
1049             {
1050                 p_picture->date = ((3 * p_picture->date -
1051                                     p_vout->p_sys->last_date) / 2 );
1052             }
1053             p_vout->p_sys->last_date = last_date;
1054             p_picture->b_force = 1;
1055             p_picture->p_sys->nb_display = 1;
1056             vlc_mutex_unlock( &p_vout->picture_lock );
1057         }
1058         else
1059         {
1060             p_picture->p_sys->nb_display = 0;
1061             p_picture->b_force = 0;
1062         }
1063     }
1064     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1065 #endif
1066
1067 #ifdef HAVE_SYS_SHM_H
1068     if( p_vout->p_sys->i_shm_opcode )
1069     {
1070         /* Display rendered image using shared memory extension */
1071 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1072         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1073                        p_vout->p_sys->p_win->video_window,
1074                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1075                        p_vout->fmt_out.i_x_offset,
1076                        p_vout->fmt_out.i_y_offset,
1077                        p_vout->fmt_out.i_visible_width,
1078                        p_vout->fmt_out.i_visible_height,
1079                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1080                        False /* Don't put True here or you'll waste your CPU */ );
1081 #   else
1082         XShmPutImage( p_vout->p_sys->p_display,
1083                       p_vout->p_sys->p_win->video_window,
1084                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1085                       p_vout->fmt_out.i_x_offset,
1086                       p_vout->fmt_out.i_y_offset,
1087                       0 /*dest_x*/, 0 /*dest_y*/,
1088                       p_vout->fmt_out.i_visible_width,
1089                       p_vout->fmt_out.i_visible_height,
1090                       False /* Don't put True here ! */ );
1091 #   endif
1092     }
1093     else
1094 #endif /* HAVE_SYS_SHM_H */
1095     {
1096         /* Use standard XPutImage -- this is gonna be slow ! */
1097 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1098         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1099                     p_vout->p_sys->p_win->video_window,
1100                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1101                     p_vout->fmt_out.i_x_offset,
1102                     p_vout->fmt_out.i_y_offset,
1103                     p_vout->fmt_out.i_visible_width,
1104                     p_vout->fmt_out.i_visible_height,
1105                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1106 #else
1107         XPutImage( p_vout->p_sys->p_display,
1108                    p_vout->p_sys->p_win->video_window,
1109                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1110                    p_vout->fmt_out.i_x_offset,
1111                    p_vout->fmt_out.i_y_offset,
1112                    0 /*dest_x*/, 0 /*dest_y*/,
1113                    p_vout->fmt_out.i_visible_width,
1114                    p_vout->fmt_out.i_visible_height );
1115 #endif
1116     }
1117
1118     /* Make sure the command is sent now - do NOT use XFlush !*/
1119     XSync( p_vout->p_sys->p_display, False );
1120
1121     vlc_mutex_unlock( &p_vout->p_sys->lock );
1122 }
1123
1124 /*****************************************************************************
1125  * ManageVideo: handle X11 events
1126  *****************************************************************************
1127  * This function should be called regularly by video output thread. It manages
1128  * X11 events and allows window resizing. It returns a non null value on
1129  * error.
1130  *****************************************************************************/
1131 static int ManageVideo( vout_thread_t *p_vout )
1132 {
1133     XEvent      xevent;                                         /* X11 event */
1134     vlc_value_t val;
1135
1136     vlc_mutex_lock( &p_vout->p_sys->lock );
1137
1138 #ifdef MODULE_NAME_IS_xvmc
1139     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1140 #endif
1141
1142     /* Handle events from the owner window */
1143     if( p_vout->p_sys->p_win->owner_window )
1144     {
1145         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1146                                   p_vout->p_sys->p_win->owner_window,
1147                                   StructureNotifyMask, &xevent ) == True )
1148         {
1149             /* ConfigureNotify event: prepare  */
1150             if( xevent.type == ConfigureNotify )
1151             {
1152                 /* Update dimensions */
1153                 XResizeWindow( p_vout->p_sys->p_display,
1154                                p_vout->p_sys->p_win->base_window,
1155                                xevent.xconfigure.width,
1156                                xevent.xconfigure.height );
1157             }
1158         }
1159     }
1160
1161     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1162      * output window's size changed, MapNotify and UnmapNotify to know if the
1163      * window is mapped (and if the display is useful), and ClientMessages
1164      * to intercept window destruction requests */
1165
1166     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1167                               p_vout->p_sys->p_win->base_window,
1168                               StructureNotifyMask | KeyPressMask |
1169                               ButtonPressMask | ButtonReleaseMask |
1170                               PointerMotionMask | Button1MotionMask , &xevent )
1171            == True )
1172     {
1173         /* ConfigureNotify event: prepare  */
1174         if( xevent.type == ConfigureNotify )
1175         {
1176             if( (unsigned int)xevent.xconfigure.width
1177                    != p_vout->p_sys->p_win->i_width
1178               || (unsigned int)xevent.xconfigure.height
1179                     != p_vout->p_sys->p_win->i_height )
1180             {
1181                 /* Update dimensions */
1182                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1183                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1184                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1185             }
1186         }
1187         /* Keyboard event */
1188         else if( xevent.type == KeyPress )
1189         {
1190             unsigned int state = xevent.xkey.state;
1191             KeySym x_key_symbol;
1192             char i_key;                                   /* ISO Latin-1 key */
1193
1194             /* We may have keys like F1 trough F12, ESC ... */
1195             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1196                                              xevent.xkey.keycode, 0 );
1197             val.i_int = ConvertKey( (int)x_key_symbol );
1198
1199             xevent.xkey.state &= ~ShiftMask;
1200             xevent.xkey.state &= ~ControlMask;
1201             xevent.xkey.state &= ~Mod1Mask;
1202
1203             if( !val.i_int &&
1204                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1205             {
1206                 /* "Normal Keys"
1207                  * The reason why I use this instead of XK_0 is that
1208                  * with XLookupString, we don't have to care about
1209                  * keymaps. */
1210                 val.i_int = i_key;
1211             }
1212
1213             if( val.i_int )
1214             {
1215                 if( state & ShiftMask )
1216                 {
1217                     val.i_int |= KEY_MODIFIER_SHIFT;
1218                 }
1219                 if( state & ControlMask )
1220                 {
1221                     val.i_int |= KEY_MODIFIER_CTRL;
1222                 }
1223                 if( state & Mod1Mask )
1224                 {
1225                     val.i_int |= KEY_MODIFIER_ALT;
1226                 }
1227                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1228             }
1229         }
1230         /* Mouse click */
1231         else if( xevent.type == ButtonPress )
1232         {
1233             switch( ((XButtonEvent *)&xevent)->button )
1234             {
1235                 case Button1:
1236                     var_Get( p_vout, "mouse-button-down", &val );
1237                     val.i_int |= 1;
1238                     var_Set( p_vout, "mouse-button-down", val );
1239
1240                     /* detect double-clicks */
1241                     if( ( ((XButtonEvent *)&xevent)->time -
1242                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1243                     {
1244                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1245                     }
1246
1247                     p_vout->p_sys->i_time_button_last_pressed =
1248                         ((XButtonEvent *)&xevent)->time;
1249                     break;
1250                 case Button2:
1251                     var_Get( p_vout, "mouse-button-down", &val );
1252                     val.i_int |= 2;
1253                     var_Set( p_vout, "mouse-button-down", val );
1254                     break;
1255
1256                 case Button3:
1257                     var_Get( p_vout, "mouse-button-down", &val );
1258                     val.i_int |= 4;
1259                     var_Set( p_vout, "mouse-button-down", val );
1260                     break;
1261
1262                 case Button4:
1263                     var_Get( p_vout, "mouse-button-down", &val );
1264                     val.i_int |= 8;
1265                     var_Set( p_vout, "mouse-button-down", val );
1266                     break;
1267
1268                 case Button5:
1269                     var_Get( p_vout, "mouse-button-down", &val );
1270                     val.i_int |= 16;
1271                     var_Set( p_vout, "mouse-button-down", val );
1272                     break;
1273             }
1274         }
1275         /* Mouse release */
1276         else if( xevent.type == ButtonRelease )
1277         {
1278             switch( ((XButtonEvent *)&xevent)->button )
1279             {
1280                 case Button1:
1281                     var_Get( p_vout, "mouse-button-down", &val );
1282                     val.i_int &= ~1;
1283                     var_Set( p_vout, "mouse-button-down", val );
1284
1285                     val.b_bool = VLC_TRUE;
1286                     var_Set( p_vout, "mouse-clicked", val );
1287                     break;
1288
1289                 case Button2:
1290                     {
1291                         playlist_t *p_playlist;
1292
1293                         var_Get( p_vout, "mouse-button-down", &val );
1294                         val.i_int &= ~2;
1295                         var_Set( p_vout, "mouse-button-down", val );
1296
1297                         p_playlist = vlc_object_find( p_vout,
1298                                                       VLC_OBJECT_PLAYLIST,
1299                                                       FIND_ANYWHERE );
1300                         if( p_playlist != NULL )
1301                         {
1302                             vlc_value_t val;
1303                             var_Get( p_playlist, "intf-show", &val );
1304                             val.b_bool = !val.b_bool;
1305                             var_Set( p_playlist, "intf-show", val );
1306                             vlc_object_release( p_playlist );
1307                         }
1308                     }
1309                     break;
1310
1311                 case Button3:
1312                     {
1313                         intf_thread_t *p_intf;
1314                         playlist_t *p_playlist;
1315
1316                         var_Get( p_vout, "mouse-button-down", &val );
1317                         val.i_int &= ~4;
1318                         var_Set( p_vout, "mouse-button-down", val );
1319                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
1320                                                           FIND_ANYWHERE );
1321                         if( p_intf )
1322                         {
1323                             p_intf->b_menu_change = 1;
1324                             vlc_object_release( p_intf );
1325                         }
1326
1327                         p_playlist = vlc_object_find( p_vout,
1328                                                       VLC_OBJECT_PLAYLIST,
1329                                                       FIND_ANYWHERE );
1330                         if( p_playlist != NULL )
1331                         {
1332                             vlc_value_t val; val.b_bool = VLC_TRUE;
1333                             var_Set( p_playlist, "intf-popupmenu", val );
1334                             vlc_object_release( p_playlist );
1335                         }
1336                     }
1337                     break;
1338
1339                 case Button4:
1340                     var_Get( p_vout, "mouse-button-down", &val );
1341                     val.i_int &= ~8;
1342                     var_Set( p_vout, "mouse-button-down", val );
1343                     break;
1344
1345                 case Button5:
1346                     var_Get( p_vout, "mouse-button-down", &val );
1347                     val.i_int &= ~16;
1348                     var_Set( p_vout, "mouse-button-down", val );
1349                     break;
1350
1351             }
1352         }
1353         /* Mouse move */
1354         else if( xevent.type == MotionNotify )
1355         {
1356             unsigned int i_width, i_height, i_x, i_y;
1357             vlc_value_t val;
1358
1359             /* somewhat different use for vout_PlacePicture:
1360              * here the values are needed to give to mouse coordinates
1361              * in the original picture space */
1362             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1363                                p_vout->p_sys->p_win->i_height,
1364                                &i_x, &i_y, &i_width, &i_height );
1365
1366             /* Compute the x coordinate and check if the value is
1367                in [0,p_vout->fmt_in.i_visible_width] */
1368             val.i_int = ( xevent.xmotion.x - i_x ) *
1369                 p_vout->fmt_in.i_visible_width / i_width +
1370                 p_vout->fmt_in.i_x_offset;
1371
1372             if( (int)(xevent.xmotion.x - i_x) < 0 )
1373                 val.i_int = 0;
1374             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1375                 val.i_int = p_vout->fmt_in.i_visible_width;
1376
1377             var_Set( p_vout, "mouse-x", val );
1378
1379             /* compute the y coordinate and check if the value is
1380                in [0,p_vout->fmt_in.i_visible_height] */
1381             val.i_int = ( xevent.xmotion.y - i_y ) *
1382                 p_vout->fmt_in.i_visible_height / i_height +
1383                 p_vout->fmt_in.i_y_offset;
1384
1385             if( (int)(xevent.xmotion.y - i_y) < 0 )
1386                 val.i_int = 0;
1387             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1388                 val.i_int = p_vout->fmt_in.i_visible_height;
1389
1390             var_Set( p_vout, "mouse-y", val );
1391
1392             val.b_bool = VLC_TRUE;
1393             var_Set( p_vout, "mouse-moved", val );
1394
1395             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1396             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1397             {
1398                 ToggleCursor( p_vout );
1399             }
1400         }
1401         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1402                   || xevent.type == MapNotify
1403                   || xevent.type == UnmapNotify )
1404         {
1405             /* Ignore these events */
1406         }
1407         else /* Other events */
1408         {
1409             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1410         }
1411     }
1412
1413     /* Handle events for video output sub-window */
1414     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1415                               p_vout->p_sys->p_win->video_window,
1416                               ExposureMask, &xevent ) == True )
1417     {
1418         /* Window exposed (only handled if stream playback is paused) */
1419         if( xevent.type == Expose )
1420         {
1421             if( ((XExposeEvent *)&xevent)->count == 0 )
1422             {
1423                 /* (if this is the last a collection of expose events...) */
1424 #if 0
1425                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1426                 {
1427                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1428                                                    ->stream.control.i_status )
1429                     {
1430                         /* XVideoDisplay( p_vout )*/;
1431                     }
1432                 }
1433 #endif
1434             }
1435         }
1436     }
1437
1438     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1439      * are handled - according to the man pages, the format is always 32
1440      * in this case */
1441     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1442                              ClientMessage, &xevent ) )
1443     {
1444         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1445                && ((Atom)xevent.xclient.data.l[0]
1446                      == p_vout->p_sys->p_win->wm_delete_window ) )
1447         {
1448             /* the user wants to close the window */
1449             playlist_t * p_playlist =
1450                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
1451                                                FIND_ANYWHERE );
1452             if( p_playlist != NULL )
1453             {
1454                 playlist_Stop( p_playlist );
1455                 vlc_object_release( p_playlist );
1456             }
1457         }
1458     }
1459
1460     /*
1461      * Fullscreen Change
1462      */
1463     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1464     {
1465         vlc_value_t val_fs, val_ontop;
1466
1467         /* Update the object variable and trigger callback */
1468         val_fs.b_bool = !p_vout->b_fullscreen;
1469
1470         var_Set( p_vout, "fullscreen", val_fs );
1471
1472         /* Disable "always on top" in fullscreen mode */
1473         var_Get( p_vout, "video-on-top", &val_ontop );
1474         if( val_ontop.b_bool )
1475             WindowOnTop( p_vout, val_fs.b_bool );
1476
1477         ToggleFullScreen( p_vout );
1478         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1479     }
1480
1481     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1482         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1483     {
1484         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1485         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1486
1487         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1488         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1489         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1490         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1491         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1492         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1493         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1494         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1495
1496         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1497     }
1498
1499     /*
1500      * Size change
1501      *
1502      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1503      *  the size flag inside the fullscreen routine)
1504      */
1505     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1506     {
1507         unsigned int i_width, i_height, i_x, i_y;
1508
1509         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1510
1511 #ifdef MODULE_NAME_IS_x11
1512         /* We need to signal the vout thread about the size change because it
1513          * is doing the rescaling */
1514         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1515 #endif
1516
1517         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1518                            p_vout->p_sys->p_win->i_height,
1519                            &i_x, &i_y, &i_width, &i_height );
1520
1521         XMoveResizeWindow( p_vout->p_sys->p_display,
1522                            p_vout->p_sys->p_win->video_window,
1523                            i_x, i_y, i_width, i_height );
1524     }
1525
1526     /* Autohide Cursour */
1527     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
1528     {
1529         /* Hide the mouse automatically */
1530         if( p_vout->p_sys->b_mouse_pointer_visible )
1531         {
1532             ToggleCursor( p_vout );
1533         }
1534     }
1535
1536 #ifdef MODULE_NAME_IS_xvmc
1537     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1538 #endif
1539
1540 #ifdef HAVE_OSSO
1541     if ( p_vout->p_sys->p_octx != NULL ) {
1542         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1543             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1544                 msg_Err( p_vout, "Could not disable backlight blanking" );
1545         } else {
1546                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1547             }
1548             p_vout->p_sys->i_backlight_on_counter = 0;
1549         } else {
1550             p_vout->p_sys->i_backlight_on_counter ++;
1551         }
1552     }
1553 #endif
1554
1555     vlc_mutex_unlock( &p_vout->p_sys->lock );
1556     return 0;
1557 }
1558
1559 /*****************************************************************************
1560  * EndVideo: terminate X11 video thread output method
1561  *****************************************************************************
1562  * Destroy the X11 XImages created by Init. It is called at the end of
1563  * the thread, but also each time the window is resized.
1564  *****************************************************************************/
1565 static void EndVideo( vout_thread_t *p_vout )
1566 {
1567     int i_index;
1568
1569     /* Free the direct buffers we allocated */
1570     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1571     {
1572         i_index--;
1573         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1574     }
1575 }
1576
1577 /* following functions are local */
1578
1579 /*****************************************************************************
1580  * CreateWindow: open and set-up X11 main window
1581  *****************************************************************************/
1582 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1583 {
1584     XSizeHints              xsize_hints;
1585     XSetWindowAttributes    xwindow_attributes;
1586     XGCValues               xgcvalues;
1587     XEvent                  xevent;
1588
1589     vlc_bool_t              b_expose = VLC_FALSE;
1590     vlc_bool_t              b_configure_notify = VLC_FALSE;
1591     vlc_bool_t              b_map_notify = VLC_FALSE;
1592     vlc_value_t             val;
1593
1594     /* Prepare window manager hints and properties */
1595     p_win->wm_protocols =
1596              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1597     p_win->wm_delete_window =
1598              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1599
1600     /* Never have a 0-pixel-wide window */
1601     xsize_hints.min_width = 2;
1602     xsize_hints.min_height = 1;
1603
1604     /* Prepare window attributes */
1605     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1606     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1607                                                      p_vout->p_sys->i_screen);
1608     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1609
1610     if( !p_vout->b_fullscreen )
1611     {
1612         p_win->owner_window =
1613             (Window)vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
1614                                         &p_win->i_width, &p_win->i_height );
1615
1616         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1617         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1618         xsize_hints.flags       = PSize | PMinSize;
1619
1620         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1621         {
1622             xsize_hints.x = p_win->i_x;
1623             xsize_hints.y = p_win->i_y;
1624             xsize_hints.flags |= PPosition;
1625         }
1626     }
1627     else
1628     {
1629         /* Fullscreen window size and position */
1630         p_win->owner_window = 0;
1631         p_win->i_x = p_win->i_y = 0;
1632         p_win->i_width =
1633             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1634         p_win->i_height =
1635             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1636     }
1637
1638     if( !p_win->owner_window )
1639     {
1640         /* Create the window and set hints - the window must receive
1641          * ConfigureNotify events, and until it is displayed, Expose and
1642          * MapNotify events. */
1643
1644         p_win->base_window =
1645             XCreateWindow( p_vout->p_sys->p_display,
1646                            DefaultRootWindow( p_vout->p_sys->p_display ),
1647                            p_win->i_x, p_win->i_y,
1648                            p_win->i_width, p_win->i_height,
1649                            0,
1650                            0, InputOutput, 0,
1651                            CWBackingStore | CWBackPixel | CWEventMask,
1652                            &xwindow_attributes );
1653
1654         var_Get( p_vout, "video-title", &val );
1655         if( !val.psz_string || !*val.psz_string )
1656         {
1657             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1658 #ifdef MODULE_NAME_IS_x11
1659                         VOUT_TITLE " (X11 output)"
1660 #elif defined(MODULE_NAME_IS_glx)
1661                         VOUT_TITLE " (GLX output)"
1662 #else
1663                         VOUT_TITLE " (XVideo output)"
1664 #endif
1665               );
1666         }
1667         else
1668         {
1669             XStoreName( p_vout->p_sys->p_display,
1670                         p_win->base_window, val.psz_string );
1671         }
1672         if( val.psz_string ) free( val.psz_string );
1673
1674         if( !p_vout->b_fullscreen )
1675         {
1676             /* Set window manager hints and properties: size hints, command,
1677              * window's name, and accepted protocols */
1678             XSetWMNormalHints( p_vout->p_sys->p_display,
1679                                p_win->base_window, &xsize_hints );
1680             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1681                          p_vout->p_libvlc->ppsz_argv, p_vout->p_libvlc->i_argc );
1682
1683             if( !var_GetBool( p_vout, "video-deco") )
1684             {
1685                 Atom prop;
1686                 mwmhints_t mwmhints;
1687
1688                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1689                 mwmhints.decorations = False;
1690
1691                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1692                                     False );
1693
1694                 XChangeProperty( p_vout->p_sys->p_display,
1695                                  p_win->base_window,
1696                                  prop, prop, 32, PropModeReplace,
1697                                  (unsigned char *)&mwmhints,
1698                                  PROP_MWM_HINTS_ELEMENTS );
1699             }
1700         }
1701     }
1702     else
1703     {
1704         Window dummy1;
1705         int dummy2, dummy3;
1706         unsigned int dummy4, dummy5;
1707
1708         /* Select events we are interested in. */
1709         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1710                       StructureNotifyMask );
1711
1712         /* Get the parent window's geometry information */
1713         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1714                       &dummy1, &dummy2, &dummy3,
1715                       &p_win->i_width,
1716                       &p_win->i_height,
1717                       &dummy4, &dummy5 );
1718
1719         /* We are already configured */
1720         b_configure_notify = VLC_TRUE;
1721
1722         /* From man XSelectInput: only one client at a time can select a
1723          * ButtonPress event, so we need to open a new window anyway. */
1724         p_win->base_window =
1725             XCreateWindow( p_vout->p_sys->p_display,
1726                            p_win->owner_window,
1727                            0, 0,
1728                            p_win->i_width, p_win->i_height,
1729                            0,
1730                            0, CopyFromParent, 0,
1731                            CWBackingStore | CWBackPixel | CWEventMask,
1732                            &xwindow_attributes );
1733     }
1734
1735     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1736         || (p_win->wm_delete_window == None)
1737         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1738                              &p_win->wm_delete_window, 1 ) )
1739     {
1740         /* WM_DELETE_WINDOW is not supported by window manager */
1741         msg_Warn( p_vout, "missing or bad window manager" );
1742     }
1743
1744     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1745      * event when using functions like XCopyArea */
1746     xgcvalues.graphics_exposures = False;
1747     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1748                            p_win->base_window,
1749                            GCGraphicsExposures, &xgcvalues );
1750
1751     /* Send orders to server, and wait until window is displayed - three
1752      * events must be received: a MapNotify event, an Expose event allowing
1753      * drawing in the window, and a ConfigureNotify to get the window
1754      * dimensions. Once those events have been received, only
1755      * ConfigureNotify events need to be received. */
1756     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1757     do
1758     {
1759         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1760                       SubstructureNotifyMask | StructureNotifyMask |
1761                       ExposureMask, &xevent);
1762         if( (xevent.type == Expose)
1763             && (xevent.xexpose.window == p_win->base_window) )
1764         {
1765             b_expose = VLC_TRUE;
1766             /* ConfigureNotify isn't sent if there isn't a window manager.
1767              * Expose should be the last event to be received so it should
1768              * be fine to assume we won't receive it anymore. */
1769             b_configure_notify = VLC_TRUE;
1770         }
1771         else if( (xevent.type == MapNotify)
1772                  && (xevent.xmap.window == p_win->base_window) )
1773         {
1774             b_map_notify = VLC_TRUE;
1775         }
1776         else if( (xevent.type == ConfigureNotify)
1777                  && (xevent.xconfigure.window == p_win->base_window) )
1778         {
1779             b_configure_notify = VLC_TRUE;
1780             p_win->i_width = xevent.xconfigure.width;
1781             p_win->i_height = xevent.xconfigure.height;
1782         }
1783     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1784
1785     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1786                   StructureNotifyMask | KeyPressMask |
1787                   ButtonPressMask | ButtonReleaseMask |
1788                   PointerMotionMask );
1789
1790 #ifdef MODULE_NAME_IS_x11
1791     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1792     {
1793         /* Allocate a new palette */
1794         p_vout->p_sys->colormap =
1795             XCreateColormap( p_vout->p_sys->p_display,
1796                              DefaultRootWindow( p_vout->p_sys->p_display ),
1797                              DefaultVisual( p_vout->p_sys->p_display,
1798                                             p_vout->p_sys->i_screen ),
1799                              AllocAll );
1800
1801         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1802         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1803                                  CWColormap, &xwindow_attributes );
1804     }
1805 #endif
1806
1807     /* Create video output sub-window. */
1808     p_win->video_window =  XCreateSimpleWindow(
1809                                       p_vout->p_sys->p_display,
1810                                       p_win->base_window, 0, 0,
1811                                       p_win->i_width, p_win->i_height,
1812                                       0,
1813                                       BlackPixel( p_vout->p_sys->p_display,
1814                                                   p_vout->p_sys->i_screen ),
1815                                       WhitePixel( p_vout->p_sys->p_display,
1816                                                   p_vout->p_sys->i_screen ) );
1817
1818     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1819                           BlackPixel( p_vout->p_sys->p_display,
1820                                       p_vout->p_sys->i_screen ) );
1821
1822     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1823     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1824                   ExposureMask );
1825
1826     /* make sure the video window will be centered in the next ManageVideo() */
1827     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1828
1829     /* If the cursor was formerly blank than blank it again */
1830     if( !p_vout->p_sys->b_mouse_pointer_visible )
1831     {
1832         ToggleCursor( p_vout );
1833         ToggleCursor( p_vout );
1834     }
1835
1836     /* Do NOT use XFlush here ! */
1837     XSync( p_vout->p_sys->p_display, False );
1838
1839     /* At this stage, the window is open, displayed, and ready to
1840      * receive data */
1841     p_vout->p_sys->p_win = p_win;
1842
1843     return VLC_SUCCESS;
1844 }
1845
1846 /*****************************************************************************
1847  * DestroyWindow: destroy the window
1848  *****************************************************************************
1849  *
1850  *****************************************************************************/
1851 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1852 {
1853     /* Do NOT use XFlush here ! */
1854     XSync( p_vout->p_sys->p_display, False );
1855
1856     if( p_win->video_window != None )
1857         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1858
1859     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1860
1861     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1862     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1863
1864     if( p_win->owner_window )
1865         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1866 }
1867
1868 /*****************************************************************************
1869  * NewPicture: allocate a picture
1870  *****************************************************************************
1871  * Returns 0 on success, -1 otherwise
1872  *****************************************************************************/
1873 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1874 {
1875 #ifndef MODULE_NAME_IS_glx
1876
1877 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1878     int i_plane;
1879 #endif
1880
1881     /* We know the chroma, allocate a buffer which will be used
1882      * directly by the decoder */
1883     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1884
1885     if( p_pic->p_sys == NULL )
1886     {
1887         return -1;
1888     }
1889
1890 #ifdef MODULE_NAME_IS_xvmc
1891     p_pic->p_sys->p_vout = p_vout;
1892     p_pic->p_sys->xvmc_surf = NULL;
1893     p_pic->p_sys->xxmc_data.decoded = 0;
1894     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1895     p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1896     p_pic->p_sys->nb_display = 0;
1897 #endif
1898
1899     /* Fill in picture_t fields */
1900     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1901                       p_vout->output.i_width, p_vout->output.i_height,
1902                       p_vout->output.i_aspect );
1903
1904 #ifdef HAVE_SYS_SHM_H
1905     if( p_vout->p_sys->i_shm_opcode )
1906     {
1907         /* Create image using XShm extension */
1908         p_pic->p_sys->p_image =
1909             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1910 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1911                             p_vout->p_sys->i_xvport,
1912                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1913 #   else
1914                             p_vout->p_sys->p_visual,
1915                             p_vout->p_sys->i_screen_depth,
1916 #   endif
1917                             &p_pic->p_sys->shminfo,
1918                             p_vout->output.i_width, p_vout->output.i_height );
1919     }
1920
1921     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1922 #endif /* HAVE_SYS_SHM_H */
1923     {
1924         /* Create image without XShm extension */
1925         p_pic->p_sys->p_image =
1926             CreateImage( p_vout, p_vout->p_sys->p_display,
1927 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1928                          p_vout->p_sys->i_xvport,
1929                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1930                          p_pic->format.i_bits_per_pixel,
1931 #else
1932                          p_vout->p_sys->p_visual,
1933                          p_vout->p_sys->i_screen_depth,
1934                          p_vout->p_sys->i_bytes_per_pixel,
1935 #endif
1936                          p_vout->output.i_width, p_vout->output.i_height );
1937
1938 #ifdef HAVE_SYS_SHM_H
1939         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1940         {
1941             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1942             p_vout->p_sys->i_shm_opcode = 0;
1943         }
1944 #endif /* HAVE_SYS_SHM_H */
1945     }
1946
1947     if( p_pic->p_sys->p_image == NULL )
1948     {
1949         free( p_pic->p_sys );
1950         return -1;
1951     }
1952
1953     switch( p_vout->output.i_chroma )
1954     {
1955 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1956         case VLC_FOURCC('I','4','2','0'):
1957         case VLC_FOURCC('Y','V','1','2'):
1958         case VLC_FOURCC('Y','2','1','1'):
1959         case VLC_FOURCC('Y','U','Y','2'):
1960         case VLC_FOURCC('U','Y','V','Y'):
1961         case VLC_FOURCC('R','V','1','5'):
1962         case VLC_FOURCC('R','V','1','6'):
1963         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1964         case VLC_FOURCC('R','V','3','2'):
1965
1966             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1967                  i_plane++ )
1968             {
1969                 p_pic->p[i_plane].p_pixels = p_pic->p_sys->p_image->data
1970                     + p_pic->p_sys->p_image->offsets[i_plane];
1971                 p_pic->p[i_plane].i_pitch =
1972                     p_pic->p_sys->p_image->pitches[i_plane];
1973             }
1974             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1975             {
1976                 /* U and V inverted compared to I420
1977                  * Fixme: this should be handled by the vout core */
1978                 p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1979                     + p_pic->p_sys->p_image->offsets[2];
1980                 p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1981                     + p_pic->p_sys->p_image->offsets[1];
1982             }
1983             break;
1984
1985 #else
1986         case VLC_FOURCC('R','G','B','2'):
1987         case VLC_FOURCC('R','V','1','6'):
1988         case VLC_FOURCC('R','V','1','5'):
1989         case VLC_FOURCC('R','V','2','4'):
1990         case VLC_FOURCC('R','V','3','2'):
1991
1992             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1993             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
1994             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1995                                   + p_pic->p_sys->p_image->xoffset;
1996             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1997
1998             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
1999              * properly by vout_InitPicture() */
2000             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2001                                          * p_pic->p_sys->p_image->width;
2002             break;
2003 #endif
2004
2005         default:
2006             /* Unknown chroma, tell the guy to get lost */
2007             IMAGE_FREE( p_pic->p_sys->p_image );
2008             free( p_pic->p_sys );
2009             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2010                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2011             p_pic->i_planes = 0;
2012             return -1;
2013     }
2014
2015 #endif /* !MODULE_NAME_IS_glx */
2016
2017     return 0;
2018 }
2019
2020 /*****************************************************************************
2021  * FreePicture: destroy a picture allocated with NewPicture
2022  *****************************************************************************
2023  * Destroy XImage AND associated data. If using Shm, detach shared memory
2024  * segment from server and process, then free it. The XDestroyImage manpage
2025  * says that both the image structure _and_ the data pointed to by the
2026  * image structure are freed, so no need to free p_image->data.
2027  *****************************************************************************/
2028 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2029 {
2030     /* The order of operations is correct */
2031 #ifdef HAVE_SYS_SHM_H
2032     if( p_vout->p_sys->i_shm_opcode )
2033     {
2034         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2035         IMAGE_FREE( p_pic->p_sys->p_image );
2036
2037         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2038         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2039         {
2040             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2041         }
2042     }
2043     else
2044 #endif
2045     {
2046         IMAGE_FREE( p_pic->p_sys->p_image );
2047     }
2048
2049 #ifdef MODULE_NAME_IS_xvmc
2050     if( p_pic->p_sys->xvmc_surf != NULL )
2051     {
2052         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2053         p_pic->p_sys->xvmc_surf = NULL;
2054     }
2055 #endif
2056
2057     /* Do NOT use XFlush here ! */
2058     XSync( p_vout->p_sys->p_display, False );
2059
2060     free( p_pic->p_sys );
2061 }
2062
2063 /*****************************************************************************
2064  * ToggleFullScreen: Enable or disable full screen mode
2065  *****************************************************************************
2066  * This function will switch between fullscreen and window mode.
2067  *****************************************************************************/
2068 static void ToggleFullScreen ( vout_thread_t *p_vout )
2069 {
2070     Atom prop;
2071     XEvent xevent;
2072     mwmhints_t mwmhints;
2073     XSetWindowAttributes attributes;
2074
2075 #ifdef HAVE_XINERAMA
2076     int i_d1, i_d2;
2077 #endif
2078
2079     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2080
2081     if( p_vout->b_fullscreen )
2082     {
2083         msg_Dbg( p_vout, "entering fullscreen mode" );
2084
2085         p_vout->p_sys->b_altfullscreen =
2086             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2087
2088         XUnmapWindow( p_vout->p_sys->p_display,
2089                       p_vout->p_sys->p_win->base_window );
2090
2091         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2092
2093         CreateWindow( p_vout, p_vout->p_sys->p_win );
2094         XDestroyWindow( p_vout->p_sys->p_display,
2095                         p_vout->p_sys->fullscreen_window.video_window );
2096         XReparentWindow( p_vout->p_sys->p_display,
2097                          p_vout->p_sys->original_window.video_window,
2098                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2099         p_vout->p_sys->fullscreen_window.video_window =
2100             p_vout->p_sys->original_window.video_window;
2101
2102         /* To my knowledge there are two ways to create a borderless window.
2103          * There's the generic way which is to tell x to bypass the window
2104          * manager, but this creates problems with the focus of other
2105          * applications.
2106          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2107          * luckily seems to be supported by most window managers. */
2108         if( !p_vout->p_sys->b_altfullscreen )
2109         {
2110             mwmhints.flags = MWM_HINTS_DECORATIONS;
2111             mwmhints.decorations = False;
2112
2113             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2114                                 False );
2115             XChangeProperty( p_vout->p_sys->p_display,
2116                              p_vout->p_sys->p_win->base_window,
2117                              prop, prop, 32, PropModeReplace,
2118                              (unsigned char *)&mwmhints,
2119                              PROP_MWM_HINTS_ELEMENTS );
2120         }
2121         else
2122         {
2123             /* brute force way to remove decorations */
2124             attributes.override_redirect = True;
2125             XChangeWindowAttributes( p_vout->p_sys->p_display,
2126                                      p_vout->p_sys->p_win->base_window,
2127                                      CWOverrideRedirect,
2128                                      &attributes);
2129
2130             /* Make sure the change is effective */
2131             XReparentWindow( p_vout->p_sys->p_display,
2132                              p_vout->p_sys->p_win->base_window,
2133                              DefaultRootWindow( p_vout->p_sys->p_display ),
2134                              0, 0 );
2135         }
2136
2137         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2138         {
2139             XClientMessageEvent event;
2140
2141             memset( &event, 0, sizeof( XClientMessageEvent ) );
2142
2143             event.type = ClientMessage;
2144             event.message_type = p_vout->p_sys->net_wm_state;
2145             event.display = p_vout->p_sys->p_display;
2146             event.window = p_vout->p_sys->p_win->base_window;
2147             event.format = 32;
2148             event.data.l[ 0 ] = 1; /* set property */
2149             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2150
2151             XSendEvent( p_vout->p_sys->p_display,
2152                         DefaultRootWindow( p_vout->p_sys->p_display ),
2153                         False, SubstructureRedirectMask,
2154                         (XEvent*)&event );
2155         }
2156
2157         /* Make sure the change is effective */
2158         XReparentWindow( p_vout->p_sys->p_display,
2159                          p_vout->p_sys->p_win->base_window,
2160                          DefaultRootWindow( p_vout->p_sys->p_display ),
2161                          0, 0 );
2162
2163 #ifdef HAVE_XINERAMA
2164         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2165             XineramaIsActive( p_vout->p_sys->p_display ) )
2166         {
2167             XineramaScreenInfo *screens;   /* infos for xinerama */
2168             int i_num_screens;
2169
2170             msg_Dbg( p_vout, "using XFree Xinerama extension");
2171
2172 #define SCREEN p_vout->p_sys->p_win->i_screen
2173
2174             /* Get Information about Xinerama (num of screens) */
2175             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2176                                             &i_num_screens );
2177
2178             SCREEN = config_GetInt( p_vout,
2179                                         MODULE_STRING "-xineramascreen" );
2180
2181             /* just check that user has entered a good value */
2182             if( SCREEN >= i_num_screens || SCREEN < 0 )
2183             {
2184                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2185                 SCREEN = 0;
2186             }
2187
2188             /* Get the X/Y upper left corner coordinate of the above screen */
2189             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2190             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2191
2192             /* Set the Height/width to the screen resolution */
2193             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2194             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2195
2196             XFree(screens);
2197
2198 #undef SCREEN
2199
2200         }
2201         else
2202 #endif
2203         {
2204             /* The window wasn't necessarily created at the requested size */
2205             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2206
2207 #ifdef HAVE_XF86VIDMODE
2208             XF86VidModeModeLine mode;
2209             int i_dummy;
2210
2211             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2212                                         p_vout->p_sys->i_screen, &i_dummy,
2213                                         &mode ) )
2214             {
2215                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2216                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2217
2218                 /* move cursor to the middle of the window to prevent
2219                  * unwanted display move if the display is smaller than the
2220                  * full desktop */
2221                 XWarpPointer( p_vout->p_sys->p_display, None,
2222                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2223                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2224                 /* force desktop view to upper left corner */
2225                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2226                                         p_vout->p_sys->i_screen, 0, 0 );
2227             }
2228             else
2229 #endif
2230             {
2231                 p_vout->p_sys->p_win->i_width =
2232                     DisplayWidth( p_vout->p_sys->p_display,
2233                                 p_vout->p_sys->i_screen );
2234                 p_vout->p_sys->p_win->i_height =
2235                     DisplayHeight( p_vout->p_sys->p_display,
2236                                 p_vout->p_sys->i_screen );
2237             }
2238
2239         }
2240
2241         XMoveResizeWindow( p_vout->p_sys->p_display,
2242                            p_vout->p_sys->p_win->base_window,
2243                            p_vout->p_sys->p_win->i_x,
2244                            p_vout->p_sys->p_win->i_y,
2245                            p_vout->p_sys->p_win->i_width,
2246                            p_vout->p_sys->p_win->i_height );
2247
2248 #ifdef HAVE_XSP
2249         EnablePixelDoubling( p_vout );
2250 #endif
2251
2252         /* Activate the window (give it the focus) */
2253         XClientMessageEvent event;
2254
2255         memset( &event, 0, sizeof( XClientMessageEvent ) );
2256
2257         event.type = ClientMessage;
2258         event.message_type =
2259            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2260         event.display = p_vout->p_sys->p_display;
2261         event.window = p_vout->p_sys->p_win->base_window;
2262         event.format = 32;
2263         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2264         event.data.l[ 1 ] = 0; /* timestamp */
2265         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2266         /* XXX: window manager would be more likely to obey if we already have
2267          * an active window (and give it to the event), such as an interface */
2268
2269         XSendEvent( p_vout->p_sys->p_display,
2270                     DefaultRootWindow( p_vout->p_sys->p_display ),
2271                     False, SubstructureRedirectMask,
2272                     (XEvent*)&event );
2273     }
2274     else
2275     {
2276         msg_Dbg( p_vout, "leaving fullscreen mode" );
2277
2278 #ifdef HAVE_XSP
2279         DisablePixelDoubling( p_vout );
2280 #endif
2281
2282         XReparentWindow( p_vout->p_sys->p_display,
2283                          p_vout->p_sys->original_window.video_window,
2284                          p_vout->p_sys->original_window.base_window, 0, 0 );
2285
2286         p_vout->p_sys->fullscreen_window.video_window = None;
2287         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2288         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2289
2290         XMapWindow( p_vout->p_sys->p_display,
2291                     p_vout->p_sys->p_win->base_window );
2292     }
2293
2294     /* Unfortunately, using XSync() here is not enough to ensure the
2295      * window has already been mapped because the XMapWindow() request
2296      * has not necessarily been sent directly to our window (remember,
2297      * the call is first redirected to the window manager) */
2298     do
2299     {
2300         XWindowEvent( p_vout->p_sys->p_display,
2301                       p_vout->p_sys->p_win->base_window,
2302                       StructureNotifyMask, &xevent );
2303     } while( xevent.type != MapNotify );
2304
2305     /* Be careful, this can generate a BadMatch error if the window is not
2306      * already mapped by the server (see above) */
2307     XSetInputFocus(p_vout->p_sys->p_display,
2308                    p_vout->p_sys->p_win->base_window,
2309                    RevertToParent,
2310                    CurrentTime);
2311
2312     /* signal that the size needs to be updated */
2313     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2314 }
2315
2316 /*****************************************************************************
2317  * EnableXScreenSaver: enable screen saver
2318  *****************************************************************************
2319  * This function enables the screen saver on a display after it has been
2320  * disabled by XDisableScreenSaver.
2321  * FIXME: what happens if multiple vlc sessions are running at the same
2322  *        time ???
2323  *****************************************************************************/
2324 static void EnableXScreenSaver( vout_thread_t *p_vout )
2325 {
2326 #ifdef DPMSINFO_IN_DPMS_H
2327     int dummy;
2328 #endif
2329
2330     if( p_vout->p_sys->i_ss_timeout )
2331     {
2332         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2333                          p_vout->p_sys->i_ss_interval,
2334                          p_vout->p_sys->i_ss_blanking,
2335                          p_vout->p_sys->i_ss_exposure );
2336     }
2337
2338     /* Restore DPMS settings */
2339 #ifdef DPMSINFO_IN_DPMS_H
2340     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2341     {
2342         if( p_vout->p_sys->b_ss_dpms )
2343         {
2344             DPMSEnable( p_vout->p_sys->p_display );
2345         }
2346     }
2347 #endif
2348 }
2349
2350 /*****************************************************************************
2351  * DisableXScreenSaver: disable screen saver
2352  *****************************************************************************
2353  * See XEnableXScreenSaver
2354  *****************************************************************************/
2355 static void DisableXScreenSaver( vout_thread_t *p_vout )
2356 {
2357 #ifdef DPMSINFO_IN_DPMS_H
2358     int dummy;
2359 #endif
2360
2361     /* Save screen saver information */
2362     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2363                      &p_vout->p_sys->i_ss_interval,
2364                      &p_vout->p_sys->i_ss_blanking,
2365                      &p_vout->p_sys->i_ss_exposure );
2366
2367     /* Disable screen saver */
2368     if( p_vout->p_sys->i_ss_timeout )
2369     {
2370         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2371                          p_vout->p_sys->i_ss_interval,
2372                          p_vout->p_sys->i_ss_blanking,
2373                          p_vout->p_sys->i_ss_exposure );
2374     }
2375
2376     /* Disable DPMS */
2377 #ifdef DPMSINFO_IN_DPMS_H
2378     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2379     {
2380         CARD16 unused;
2381         /* Save DPMS current state */
2382         DPMSInfo( p_vout->p_sys->p_display, &unused,
2383                   &p_vout->p_sys->b_ss_dpms );
2384         DPMSDisable( p_vout->p_sys->p_display );
2385    }
2386 #endif
2387 }
2388
2389 /*****************************************************************************
2390  * CreateCursor: create a blank mouse pointer
2391  *****************************************************************************/
2392 static void CreateCursor( vout_thread_t *p_vout )
2393 {
2394     XColor cursor_color;
2395
2396     p_vout->p_sys->cursor_pixmap =
2397         XCreatePixmap( p_vout->p_sys->p_display,
2398                        DefaultRootWindow( p_vout->p_sys->p_display ),
2399                        1, 1, 1 );
2400
2401     XParseColor( p_vout->p_sys->p_display,
2402                  XCreateColormap( p_vout->p_sys->p_display,
2403                                   DefaultRootWindow(
2404                                                     p_vout->p_sys->p_display ),
2405                                   DefaultVisual(
2406                                                 p_vout->p_sys->p_display,
2407                                                 p_vout->p_sys->i_screen ),
2408                                   AllocNone ),
2409                  "black", &cursor_color );
2410
2411     p_vout->p_sys->blank_cursor =
2412         XCreatePixmapCursor( p_vout->p_sys->p_display,
2413                              p_vout->p_sys->cursor_pixmap,
2414                              p_vout->p_sys->cursor_pixmap,
2415                              &cursor_color, &cursor_color, 1, 1 );
2416 }
2417
2418 /*****************************************************************************
2419  * DestroyCursor: destroy the blank mouse pointer
2420  *****************************************************************************/
2421 static void DestroyCursor( vout_thread_t *p_vout )
2422 {
2423     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2424 }
2425
2426 /*****************************************************************************
2427  * ToggleCursor: hide or show the mouse pointer
2428  *****************************************************************************
2429  * This function hides the X pointer if it is visible by setting the pointer
2430  * sprite to a blank one. To show it again, we disable the sprite.
2431  *****************************************************************************/
2432 static void ToggleCursor( vout_thread_t *p_vout )
2433 {
2434     if( p_vout->p_sys->b_mouse_pointer_visible )
2435     {
2436         XDefineCursor( p_vout->p_sys->p_display,
2437                        p_vout->p_sys->p_win->base_window,
2438                        p_vout->p_sys->blank_cursor );
2439         p_vout->p_sys->b_mouse_pointer_visible = 0;
2440     }
2441     else
2442     {
2443         XUndefineCursor( p_vout->p_sys->p_display,
2444                          p_vout->p_sys->p_win->base_window );
2445         p_vout->p_sys->b_mouse_pointer_visible = 1;
2446     }
2447 }
2448
2449 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2450 /*****************************************************************************
2451  * XVideoGetPort: get YUV12 port
2452  *****************************************************************************/
2453 static int XVideoGetPort( vout_thread_t *p_vout,
2454                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
2455 {
2456     XvAdaptorInfo *p_adaptor;
2457     unsigned int i;
2458     unsigned int i_adaptor, i_num_adaptors;
2459     int i_requested_adaptor;
2460     int i_selected_port;
2461
2462     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2463     {
2464         case Success:
2465             break;
2466
2467         case XvBadExtension:
2468             msg_Warn( p_vout, "XvBadExtension" );
2469             return -1;
2470
2471         case XvBadAlloc:
2472             msg_Warn( p_vout, "XvBadAlloc" );
2473             return -1;
2474
2475         default:
2476             msg_Warn( p_vout, "XvQueryExtension failed" );
2477             return -1;
2478     }
2479
2480     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2481                              DefaultRootWindow( p_vout->p_sys->p_display ),
2482                              &i_num_adaptors, &p_adaptor ) )
2483     {
2484         case Success:
2485             break;
2486
2487         case XvBadExtension:
2488             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2489             return -1;
2490
2491         case XvBadAlloc:
2492             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2493             return -1;
2494
2495         default:
2496             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2497             return -1;
2498     }
2499
2500     i_selected_port = -1;
2501 #ifdef MODULE_NAME_IS_xvmc
2502     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2503 #else
2504     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2505 #endif
2506     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2507     {
2508         XvImageFormatValues *p_formats;
2509         int i_format, i_num_formats;
2510         int i_port;
2511
2512         /* If we requested an adaptor and it's not this one, we aren't
2513          * interested */
2514         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2515         {
2516             continue;
2517         }
2518
2519         /* If the adaptor doesn't have the required properties, skip it */
2520         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2521             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2522         {
2523             continue;
2524         }
2525
2526         /* Check that adaptor supports our requested format... */
2527         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2528                                         p_adaptor[i_adaptor].base_id,
2529                                         &i_num_formats );
2530
2531         for( i_format = 0;
2532              i_format < i_num_formats && ( i_selected_port == -1 );
2533              i_format++ )
2534         {
2535             XvAttribute     *p_attr;
2536             int             i_attr, i_num_attributes;
2537
2538             /* If this is not the format we want, or at least a
2539              * similar one, forget it */
2540             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2541             {
2542                 continue;
2543             }
2544
2545             /* Look for the first available port supporting this format */
2546             for( i_port = p_adaptor[i_adaptor].base_id;
2547                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2548                                    + p_adaptor[i_adaptor].num_ports) )
2549                    && ( i_selected_port == -1 );
2550                  i_port++ )
2551             {
2552                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2553                      == Success )
2554                 {
2555                     i_selected_port = i_port;
2556                     *pi_newchroma = p_formats[ i_format ].id;
2557                 }
2558             }
2559
2560             /* If no free port was found, forget it */
2561             if( i_selected_port == -1 )
2562             {
2563                 continue;
2564             }
2565
2566             /* If we found a port, print information about it */
2567             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2568                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2569                      (char *)&p_formats[ i_format ].id,
2570                      ( p_formats[ i_format ].format == XvPacked ) ?
2571                          "packed" : "planar" );
2572
2573             /* Make sure XV_AUTOPAINT_COLORKEY is set */
2574             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2575                                             i_selected_port,
2576                                             &i_num_attributes );
2577
2578             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2579             {
2580                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2581                 {
2582                     const Atom autopaint =
2583                         XInternAtom( p_vout->p_sys->p_display,
2584                                      "XV_AUTOPAINT_COLORKEY", False );
2585                     XvSetPortAttribute( p_vout->p_sys->p_display,
2586                                         i_selected_port, autopaint, 1 );
2587                     break;
2588                 }
2589             }
2590
2591             if( p_attr != NULL )
2592             {
2593                 XFree( p_attr );
2594             }
2595         }
2596
2597         if( p_formats != NULL )
2598         {
2599             XFree( p_formats );
2600         }
2601
2602     }
2603
2604     if( i_num_adaptors > 0 )
2605     {
2606         XvFreeAdaptorInfo( p_adaptor );
2607     }
2608
2609     if( i_selected_port == -1 )
2610     {
2611         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2612         if( i_requested_adaptor == -1 )
2613         {
2614             msg_Warn( p_vout, "no free XVideo port found for format "
2615                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2616         }
2617         else
2618         {
2619             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2620                       "XVideo port for format 0x%.8x (%4.4s)",
2621                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2622         }
2623     }
2624
2625     return i_selected_port;
2626 }
2627
2628 /*****************************************************************************
2629  * XVideoReleasePort: release YUV12 port
2630  *****************************************************************************/
2631 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2632 {
2633     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2634 }
2635 #endif
2636
2637 /*****************************************************************************
2638  * InitDisplay: open and initialize X11 device
2639  *****************************************************************************
2640  * Create a window according to video output given size, and set other
2641  * properties according to the display properties.
2642  *****************************************************************************/
2643 static int InitDisplay( vout_thread_t *p_vout )
2644 {
2645 #ifdef MODULE_NAME_IS_x11
2646     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2647     XVisualInfo *               p_xvisual;            /* visuals information */
2648     XVisualInfo                 xvisual_template;         /* visual template */
2649     int                         i_count, i;                    /* array size */
2650 #endif
2651
2652 #ifdef HAVE_SYS_SHM_H
2653     p_vout->p_sys->i_shm_opcode = 0;
2654
2655     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
2656     {
2657 #   ifdef __APPLE__
2658         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
2659 #   else
2660         int major, evt, err;
2661
2662         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2663                              &evt, &err )
2664          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2665             p_vout->p_sys->i_shm_opcode = major;
2666
2667         if( p_vout->p_sys->i_shm_opcode )
2668         {
2669             int major, minor;
2670             Bool pixmaps;
2671
2672             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2673                               &pixmaps );
2674             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2675                      "(with%s pixmaps, opcode: %d)",
2676                      major, minor, pixmaps ? "" : "out",
2677                      p_vout->p_sys->i_shm_opcode );
2678         }
2679
2680 #   endif
2681
2682         if( !p_vout->p_sys->i_shm_opcode )
2683         {
2684             msg_Warn( p_vout, "XShm video extension is unavailable" );
2685         }
2686     }
2687     else
2688     {
2689         msg_Dbg( p_vout, "disabling XShm video extension" );
2690     }
2691
2692 #else
2693     msg_Warn( p_vout, "XShm video extension is unavailable" );
2694
2695 #endif
2696
2697 #ifdef MODULE_NAME_IS_xvideo
2698     /* XXX The brightness and contrast values should be read from environment
2699      * XXX variables... */
2700 #if 0
2701     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2702     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2703 #endif
2704 #endif
2705
2706 #ifdef MODULE_NAME_IS_x11
2707     /* Initialize structure */
2708     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2709
2710     /* Get screen depth */
2711     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2712                                                    p_vout->p_sys->i_screen );
2713     switch( p_vout->p_sys->i_screen_depth )
2714     {
2715     case 8:
2716         /*
2717          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2718          */
2719         xvisual_template.screen =   p_vout->p_sys->i_screen;
2720         xvisual_template.class =    DirectColor;
2721         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2722                                     VisualScreenMask | VisualClassMask,
2723                                     &xvisual_template, &i_count );
2724         if( p_xvisual == NULL )
2725         {
2726             msg_Err( p_vout, "no PseudoColor visual available" );
2727             return VLC_EGENERIC;
2728         }
2729         p_vout->p_sys->i_bytes_per_pixel = 1;
2730         p_vout->output.pf_setpalette = SetPalette;
2731         break;
2732     case 15:
2733     case 16:
2734     case 24:
2735     default:
2736         /*
2737          * Screen depth is higher than 8bpp. TrueColor visual is used.
2738          */
2739         xvisual_template.screen =   p_vout->p_sys->i_screen;
2740         xvisual_template.class =    TrueColor;
2741 /* In some cases, we get a truecolor class adaptor that has a different
2742    color depth. So try to get a real true color one first */
2743         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2744
2745         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2746                                     VisualScreenMask | VisualClassMask |
2747                                     VisualDepthMask,
2748                                     &xvisual_template, &i_count );
2749         if( p_xvisual == NULL )
2750         {
2751             msg_Warn( p_vout, "No screen matching the required color depth" );
2752             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2753                                     VisualScreenMask | VisualClassMask,
2754                                     &xvisual_template, &i_count );
2755             if( p_xvisual == NULL )
2756             {
2757
2758                 msg_Err( p_vout, "no TrueColor visual available" );
2759                 return VLC_EGENERIC;
2760             }
2761         }
2762
2763         p_vout->output.i_rmask = p_xvisual->red_mask;
2764         p_vout->output.i_gmask = p_xvisual->green_mask;
2765         p_vout->output.i_bmask = p_xvisual->blue_mask;
2766
2767         /* There is no difference yet between 3 and 4 Bpp. The only way
2768          * to find the actual number of bytes per pixel is to list supported
2769          * pixmap formats. */
2770         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2771         p_vout->p_sys->i_bytes_per_pixel = 0;
2772
2773         for( i = 0; i < i_count; i++ )
2774         {
2775             /* Under XFree4.0, the list contains pixmap formats available
2776              * through all video depths ; so we have to check against current
2777              * depth. */
2778             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2779             {
2780                 if( p_formats[i].bits_per_pixel / 8
2781                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2782                 {
2783                     p_vout->p_sys->i_bytes_per_pixel =
2784                         p_formats[i].bits_per_pixel / 8;
2785                 }
2786             }
2787         }
2788         if( p_formats ) XFree( p_formats );
2789
2790         break;
2791     }
2792     p_vout->p_sys->p_visual = p_xvisual->visual;
2793     XFree( p_xvisual );
2794 #endif
2795
2796     return VLC_SUCCESS;
2797 }
2798
2799 #ifdef HAVE_SYS_SHM_H
2800 /*****************************************************************************
2801  * CreateShmImage: create an XImage or XvImage using shared memory extension
2802  *****************************************************************************
2803  * Prepare an XImage or XvImage for display function.
2804  * The order of the operations respects the recommandations of the mit-shm
2805  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2806  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2807  *****************************************************************************/
2808 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2809                                     Display* p_display, EXTRA_ARGS_SHM,
2810                                     int i_width, int i_height )
2811 {
2812     IMAGE_TYPE *p_image;
2813     Status result;
2814
2815     /* Create XImage / XvImage */
2816 #ifdef MODULE_NAME_IS_xvideo
2817
2818     /* Make sure the buffer is aligned to multiple of 16 */
2819     i_height = ( i_height + 15 ) >> 4 << 4;
2820     i_width = ( i_width + 15 ) >> 4 << 4;
2821
2822     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2823                                 i_width, i_height, p_shm );
2824 #elif defined(MODULE_NAME_IS_xvmc)
2825     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2826                                 i_width, i_height, p_shm );
2827 #else
2828     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2829                                p_shm, i_width, i_height );
2830 #endif
2831     if( p_image == NULL )
2832     {
2833         msg_Err( p_vout, "image creation failed" );
2834         return NULL;
2835     }
2836
2837     /* Allocate shared memory segment - 0776 set the access permission
2838      * rights (like umask), they are not yet supported by all X servers */
2839     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2840     if( p_shm->shmid < 0 )
2841     {
2842         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2843         IMAGE_FREE( p_image );
2844         return NULL;
2845     }
2846
2847     /* Attach shared memory segment to process (read/write) */
2848     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2849     if(! p_shm->shmaddr )
2850     {
2851         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2852         IMAGE_FREE( p_image );
2853         shmctl( p_shm->shmid, IPC_RMID, 0 );
2854         return NULL;
2855     }
2856
2857     /* Read-only data. We won't be using XShmGetImage */
2858     p_shm->readOnly = True;
2859
2860     /* Attach shared memory segment to X server */
2861     XSynchronize( p_display, True );
2862     i_shm_major = p_vout->p_sys->i_shm_opcode;
2863     result = XShmAttach( p_display, p_shm );
2864     if( result == False || !i_shm_major )
2865     {
2866         msg_Err( p_vout, "cannot attach shared memory to X server" );
2867         IMAGE_FREE( p_image );
2868         shmctl( p_shm->shmid, IPC_RMID, 0 );
2869         shmdt( p_shm->shmaddr );
2870         return NULL;
2871     }
2872     XSynchronize( p_display, False );
2873
2874     /* Send image to X server. This instruction is required, since having
2875      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2876      * and remember NOT to use XFlush ! */
2877     XSync( p_display, False );
2878
2879 #if 0
2880     /* Mark the shm segment to be removed when there are no more
2881      * attachements, so it is automatic on process exit or after shmdt */
2882     shmctl( p_shm->shmid, IPC_RMID, 0 );
2883 #endif
2884
2885     return p_image;
2886 }
2887 #endif
2888
2889 /*****************************************************************************
2890  * CreateImage: create an XImage or XvImage
2891  *****************************************************************************
2892  * Create a simple image used as a buffer.
2893  *****************************************************************************/
2894 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2895                                  Display *p_display, EXTRA_ARGS,
2896                                  int i_width, int i_height )
2897 {
2898     byte_t *    p_data;                           /* image data storage zone */
2899     IMAGE_TYPE *p_image;
2900 #ifdef MODULE_NAME_IS_x11
2901     int         i_quantum;                     /* XImage quantum (see below) */
2902     int         i_bytes_per_line;
2903 #endif
2904
2905     /* Allocate memory for image */
2906 #ifdef MODULE_NAME_IS_xvideo
2907
2908     /* Make sure the buffer is aligned to multiple of 16 */
2909     i_height = ( i_height + 15 ) >> 4 << 4;
2910     i_width = ( i_width + 15 ) >> 4 << 4;
2911
2912     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2913 #elif defined(MODULE_NAME_IS_x11)
2914     i_bytes_per_line = i_width * i_bytes_per_pixel;
2915     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2916 #endif
2917     if( !p_data )
2918     {
2919         msg_Err( p_vout, "out of memory" );
2920         return NULL;
2921     }
2922
2923 #ifdef MODULE_NAME_IS_x11
2924     /* Optimize the quantum of a scanline regarding its size - the quantum is
2925        a diviser of the number of bits between the start of two scanlines. */
2926     if( i_bytes_per_line & 0xf )
2927     {
2928         i_quantum = 0x8;
2929     }
2930     else if( i_bytes_per_line & 0x10 )
2931     {
2932         i_quantum = 0x10;
2933     }
2934     else
2935     {
2936         i_quantum = 0x20;
2937     }
2938 #endif
2939
2940     /* Create XImage. p_data will be automatically freed */
2941 #ifdef MODULE_NAME_IS_xvideo
2942     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2943                              (char *)p_data, i_width, i_height );
2944 #elif defined(MODULE_NAME_IS_x11)
2945     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2946                             (char *)p_data, i_width, i_height, i_quantum, 0 );
2947 #endif
2948     if( p_image == NULL )
2949     {
2950         msg_Err( p_vout, "XCreateImage() failed" );
2951         free( p_data );
2952         return NULL;
2953     }
2954
2955     return p_image;
2956 }
2957
2958 /*****************************************************************************
2959  * X11ErrorHandler: replace error handler so we can intercept some of them
2960  *****************************************************************************/
2961 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2962 {
2963     char txt[1024];
2964
2965     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
2966     fprintf( stderr,
2967              "[????????] x11 video output error: X11 request %u.%u failed "
2968               "with error code %u:\n %s\n",
2969              event->request_code, event->minor_code, event->error_code, txt );
2970
2971     switch( event->request_code )
2972     {
2973     case X_SetInputFocus:
2974         /* Ignore errors on XSetInputFocus()
2975          * (they happen when a window is not yet mapped) */
2976         return 0;
2977     }
2978
2979     if( event->request_code == i_shm_major ) /* MIT-SHM */
2980         return i_shm_major = 0;
2981
2982     XSetErrorHandler(NULL);
2983     return (XSetErrorHandler(X11ErrorHandler))( display, event );
2984 }
2985
2986 #ifdef MODULE_NAME_IS_x11
2987 /*****************************************************************************
2988  * SetPalette: sets an 8 bpp palette
2989  *****************************************************************************
2990  * This function sets the palette given as an argument. It does not return
2991  * anything, but could later send information on which colors it was unable
2992  * to set.
2993  *****************************************************************************/
2994 static void SetPalette( vout_thread_t *p_vout,
2995                         uint16_t *red, uint16_t *green, uint16_t *blue )
2996 {
2997     int i;
2998     XColor p_colors[255];
2999
3000     /* allocate palette */
3001     for( i = 0; i < 255; i++ )
3002     {
3003         /* kludge: colors are indexed reversely because color 255 seems
3004          * to be reserved for black even if we try to set it to white */
3005         p_colors[ i ].pixel = 255 - i;
3006         p_colors[ i ].pad   = 0;
3007         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3008         p_colors[ i ].red   = red[ 255 - i ];
3009         p_colors[ i ].blue  = blue[ 255 - i ];
3010         p_colors[ i ].green = green[ 255 - i ];
3011     }
3012
3013     XStoreColors( p_vout->p_sys->p_display,
3014                   p_vout->p_sys->colormap, p_colors, 255 );
3015 }
3016 #endif
3017
3018 /*****************************************************************************
3019  * Control: control facility for the vout
3020  *****************************************************************************/
3021 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3022 {
3023     vlc_bool_t b_arg;
3024     unsigned int i_width, i_height;
3025     unsigned int *pi_width, *pi_height;
3026     Drawable d = 0;
3027
3028     switch( i_query )
3029     {
3030         case VOUT_GET_SIZE:
3031             if( p_vout->p_sys->p_win->owner_window )
3032                 return vout_ControlWindow( p_vout,
3033                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3034
3035             pi_width  = va_arg( args, unsigned int * );
3036             pi_height = va_arg( args, unsigned int * );
3037
3038             vlc_mutex_lock( &p_vout->p_sys->lock );
3039             *pi_width  = p_vout->p_sys->p_win->i_width;
3040             *pi_height = p_vout->p_sys->p_win->i_height;
3041             vlc_mutex_unlock( &p_vout->p_sys->lock );
3042             return VLC_SUCCESS;
3043
3044         case VOUT_SET_SIZE:
3045             if( p_vout->p_sys->p_win->owner_window )
3046                 return vout_ControlWindow( p_vout,
3047                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3048
3049             vlc_mutex_lock( &p_vout->p_sys->lock );
3050
3051             i_width  = va_arg( args, unsigned int );
3052             i_height = va_arg( args, unsigned int );
3053             if( !i_width ) i_width = p_vout->i_window_width;
3054             if( !i_height ) i_height = p_vout->i_window_height;
3055
3056 #ifdef MODULE_NAME_IS_xvmc
3057             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3058 #endif
3059             /* Update dimensions */
3060             XResizeWindow( p_vout->p_sys->p_display,
3061                            p_vout->p_sys->p_win->base_window,
3062                            i_width, i_height );
3063 #ifdef MODULE_NAME_IS_xvmc
3064             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3065 #endif
3066             vlc_mutex_unlock( &p_vout->p_sys->lock );
3067             return VLC_SUCCESS;
3068
3069        case VOUT_CLOSE:
3070             vlc_mutex_lock( &p_vout->p_sys->lock );
3071             XUnmapWindow( p_vout->p_sys->p_display,
3072                           p_vout->p_sys->original_window.base_window );
3073             vlc_mutex_unlock( &p_vout->p_sys->lock );
3074             /* Fall through */
3075
3076        case VOUT_REPARENT:
3077             vlc_mutex_lock( &p_vout->p_sys->lock );
3078             if( i_query == VOUT_REPARENT ) d = (Drawable)va_arg( args, int );
3079             if( !d )
3080 #ifdef MODULE_NAME_IS_xvmc
3081             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3082 #endif
3083             XReparentWindow( p_vout->p_sys->p_display,
3084                              p_vout->p_sys->original_window.base_window,
3085                              DefaultRootWindow( p_vout->p_sys->p_display ),
3086                              0, 0 );
3087             else
3088             XReparentWindow( p_vout->p_sys->p_display,
3089                              p_vout->p_sys->original_window.base_window,
3090                              d, 0, 0);
3091             XSync( p_vout->p_sys->p_display, False );
3092             p_vout->p_sys->original_window.owner_window = 0;
3093 #ifdef MODULE_NAME_IS_xvmc
3094             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3095 #endif
3096             vlc_mutex_unlock( &p_vout->p_sys->lock );
3097             return vout_vaControlDefault( p_vout, i_query, args );
3098
3099         case VOUT_SET_STAY_ON_TOP:
3100             if( p_vout->p_sys->p_win->owner_window )
3101                 return vout_ControlWindow( p_vout,
3102                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3103
3104             b_arg = va_arg( args, vlc_bool_t );
3105             vlc_mutex_lock( &p_vout->p_sys->lock );
3106 #ifdef MODULE_NAME_IS_xvmc
3107             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3108 #endif
3109             WindowOnTop( p_vout, b_arg );
3110 #ifdef MODULE_NAME_IS_xvmc
3111             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3112 #endif
3113             vlc_mutex_unlock( &p_vout->p_sys->lock );
3114             return VLC_SUCCESS;
3115
3116        default:
3117             return vout_vaControlDefault( p_vout, i_query, args );
3118     }
3119 }
3120
3121 /*****************************************************************************
3122  * TestNetWMSupport: tests for Extended Window Manager Hints support
3123  *****************************************************************************/
3124 static void TestNetWMSupport( vout_thread_t *p_vout )
3125 {
3126     int i_ret, i_format;
3127     unsigned long i, i_items, i_bytesafter;
3128     Atom net_wm_supported;
3129     union { Atom *p_atom; unsigned char *p_char; } p_args;
3130
3131     p_args.p_atom = NULL;
3132
3133     p_vout->p_sys->b_net_wm_state_fullscreen =
3134     p_vout->p_sys->b_net_wm_state_above =
3135     p_vout->p_sys->b_net_wm_state_below =
3136     p_vout->p_sys->b_net_wm_state_stays_on_top =
3137         VLC_FALSE;
3138
3139     net_wm_supported =
3140         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3141
3142     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3143                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3144                                 net_wm_supported,
3145                                 0, 16384, False, AnyPropertyT