xcommon.c: fix warnings
[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 #ifdef HAVE_CONFIG_H
31 # include "config.h"
32 #endif
33
34 #include <vlc/vlc.h>
35 #include <vlc_interface.h>
36 #include <vlc_playlist.h>
37 #include <vlc_vout.h>
38 #include <vlc_keys.h>
39
40 #include <errno.h>                                                 /* ENOMEM */
41
42 #ifdef HAVE_MACHINE_PARAM_H
43     /* BSD */
44 #   include <machine/param.h>
45 #   include <sys/types.h>                                  /* typedef ushort */
46 #   include <sys/ipc.h>
47 #endif
48
49 #ifndef WIN32
50 #   include <netinet/in.h>                            /* BSD: struct in_addr */
51 #endif
52
53 #ifdef HAVE_XSP
54 #include <X11/extensions/Xsp.h>
55 #endif
56
57 #ifdef HAVE_SYS_SHM_H
58 #   include <sys/shm.h>                                /* shmget(), shmctl() */
59 #endif
60
61 #include <X11/Xlib.h>
62 #include <X11/Xproto.h>
63 #include <X11/Xmd.h>
64 #include <X11/Xutil.h>
65 #include <X11/keysym.h>
66 #include <X11/XF86keysym.h>
67 #ifdef HAVE_SYS_SHM_H
68 #   include <X11/extensions/XShm.h>
69 #endif
70 #ifdef DPMSINFO_IN_DPMS_H
71 #   include <X11/extensions/dpms.h>
72 #endif
73
74 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
75 #   include <X11/extensions/Xv.h>
76 #   include <X11/extensions/Xvlib.h>
77 #endif
78
79 #ifdef MODULE_NAME_IS_glx
80 #   include <GL/glx.h>
81 #endif
82
83 #ifdef HAVE_XINERAMA
84 #   include <X11/extensions/Xinerama.h>
85 #endif
86
87 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
88 #   include <X11/extensions/xf86vmode.h>
89 #endif
90
91 #ifdef MODULE_NAME_IS_xvmc
92 #   include <X11/extensions/vldXvMC.h>
93 #   include "../../codec/xvmc/accel_xvmc.h"
94 #endif
95
96 #include "xcommon.h"
97
98 /*****************************************************************************
99  * Local prototypes
100  *****************************************************************************/
101 int  E_(Activate)   ( vlc_object_t * );
102 void E_(Deactivate) ( vlc_object_t * );
103
104 static int  InitVideo      ( vout_thread_t * );
105 static void EndVideo       ( vout_thread_t * );
106 static void DisplayVideo   ( vout_thread_t *, picture_t * );
107 static int  ManageVideo    ( vout_thread_t * );
108 static int  Control        ( vout_thread_t *, int, va_list );
109
110 static int  InitDisplay    ( vout_thread_t * );
111
112 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
113 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
114
115 static int  NewPicture     ( vout_thread_t *, picture_t * );
116 static void FreePicture    ( vout_thread_t *, picture_t * );
117
118 #ifndef MODULE_NAME_IS_glx
119 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
120                                     Display *, EXTRA_ARGS, int, int );
121 #endif
122
123 #ifdef HAVE_SYS_SHM_H
124 #ifndef MODULE_NAME_IS_glx
125 static IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
126                                     Display *, EXTRA_ARGS_SHM, int, int );
127 #endif
128 static int i_shm_major = 0;
129 #endif
130
131 static void ToggleFullScreen      ( vout_thread_t * );
132
133 static void EnableXScreenSaver    ( vout_thread_t * );
134 static void DisableXScreenSaver   ( vout_thread_t * );
135
136 static void CreateCursor   ( vout_thread_t * );
137 static void DestroyCursor  ( vout_thread_t * );
138 static void ToggleCursor   ( vout_thread_t * );
139
140 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
141 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, vlc_fourcc_t * );
142 static void XVideoReleasePort( vout_thread_t *, int );
143 #endif
144
145 #ifdef MODULE_NAME_IS_x11
146 static void SetPalette     ( vout_thread_t *,
147                              uint16_t *, uint16_t *, uint16_t * );
148 #endif
149
150 #ifdef MODULE_NAME_IS_xvmc
151 static void RenderVideo    ( vout_thread_t *, picture_t * );
152 static int  xvmc_check_yv12( Display *display, XvPortID port );
153 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
154 #endif
155
156 static void TestNetWMSupport( vout_thread_t * );
157 static int ConvertKey( int );
158
159 static int WindowOnTop( vout_thread_t *, vlc_bool_t );
160
161 static int X11ErrorHandler( Display *, XErrorEvent * );
162
163 #ifdef HAVE_XSP
164 static void EnablePixelDoubling( vout_thread_t *p_vout );
165 static void DisablePixelDoubling( vout_thread_t *p_vout );
166 #endif
167
168 #ifdef HAVE_OSSO
169 static const int i_backlight_on_interval = 300;
170 #endif
171
172
173
174 /*****************************************************************************
175  * Activate: allocate X11 video thread output method
176  *****************************************************************************
177  * This function allocate and initialize a X11 vout method. It uses some of the
178  * vout properties to choose the window size, and change them according to the
179  * actual properties of the display.
180  *****************************************************************************/
181 int E_(Activate) ( vlc_object_t *p_this )
182 {
183     vout_thread_t *p_vout = (vout_thread_t *)p_this;
184     char *        psz_display;
185     vlc_value_t   val;
186 #if defined(MODULE_NAME_IS_xvmc)
187     char *psz_value;
188 #endif
189 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
190     char *       psz_chroma;
191     vlc_fourcc_t i_chroma = 0;
192     vlc_bool_t   b_chroma = 0;
193 #endif
194
195     p_vout->pf_init = InitVideo;
196     p_vout->pf_end = EndVideo;
197     p_vout->pf_manage = ManageVideo;
198 #ifdef MODULE_NAME_IS_xvmc
199     p_vout->pf_render = RenderVideo;
200 #else
201     p_vout->pf_render = NULL;
202 #endif
203     p_vout->pf_display = DisplayVideo;
204     p_vout->pf_control = Control;
205
206     /* Allocate structure */
207     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
208     if( p_vout->p_sys == NULL )
209     {
210         msg_Err( p_vout, "out of memory" );
211         return VLC_ENOMEM;
212     }
213
214     vlc_mutex_init( p_vout, &p_vout->p_sys->lock );
215
216     /* Open display, using the "display" config variable or the DISPLAY
217      * environment variable */
218     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
219
220     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
221
222     if( p_vout->p_sys->p_display == NULL )                         /* error */
223     {
224         msg_Err( p_vout, "cannot open display %s",
225                          XDisplayName( psz_display ) );
226         free( p_vout->p_sys );
227         if( psz_display ) free( psz_display );
228         return VLC_EGENERIC;
229     }
230     if( psz_display ) free( psz_display );
231
232     /* Replace error handler so we can intercept some non-fatal errors */
233     XSetErrorHandler( X11ErrorHandler );
234
235     /* Get a screen ID matching the XOpenDisplay return value */
236     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
237
238 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
239     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
240     if( psz_chroma )
241     {
242         if( strlen( psz_chroma ) >= 4 )
243         {
244             /* Do not use direct assignment because we are not sure of the
245              * alignment. */
246             memcpy(&i_chroma, psz_chroma, 4);
247             b_chroma = 1;
248         }
249
250         free( psz_chroma );
251     }
252
253     if( b_chroma )
254     {
255         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
256                  i_chroma, (char*)&i_chroma );
257     }
258     else
259     {
260         i_chroma = p_vout->render.i_chroma;
261     }
262
263     /* Check that we have access to an XVideo port providing this chroma */
264     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
265                                              &p_vout->output.i_chroma );
266     if( p_vout->p_sys->i_xvport < 0 )
267     {
268         /* If a specific chroma format was requested, then we don't try to
269          * be cleverer than the user. He knew pretty well what he wanted. */
270         if( b_chroma )
271         {
272             XCloseDisplay( p_vout->p_sys->p_display );
273             free( p_vout->p_sys );
274             return VLC_EGENERIC;
275         }
276
277         /* It failed, but it's not completely lost ! We try to open an
278          * XVideo port for an YUY2 picture. We'll need to do an YUV
279          * conversion, but at least it has got scaling. */
280         p_vout->p_sys->i_xvport =
281                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
282                                                &p_vout->output.i_chroma );
283         if( p_vout->p_sys->i_xvport < 0 )
284         {
285             /* It failed, but it's not completely lost ! We try to open an
286              * XVideo port for a simple 16bpp RGB picture. We'll need to do
287              * an YUV conversion, but at least it has got scaling. */
288             p_vout->p_sys->i_xvport =
289                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
290                                                    &p_vout->output.i_chroma );
291             if( p_vout->p_sys->i_xvport < 0 )
292             {
293                 XCloseDisplay( p_vout->p_sys->p_display );
294                 free( p_vout->p_sys );
295                 return VLC_EGENERIC;
296             }
297         }
298     }
299     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
300 #elif defined(MODULE_NAME_IS_glx)
301     {
302         int i_opcode, i_evt, i_err = 0;
303         int i_maj, i_min = 0;
304
305         /* Check for GLX extension */
306         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
307                               &i_opcode, &i_evt, &i_err ) )
308         {
309             msg_Err( p_this, "GLX extension not supported" );
310             XCloseDisplay( p_vout->p_sys->p_display );
311             free( p_vout->p_sys );
312             return VLC_EGENERIC;
313         }
314         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
315         {
316             msg_Err( p_this, "glXQueryExtension failed" );
317             XCloseDisplay( p_vout->p_sys->p_display );
318             free( p_vout->p_sys );
319             return VLC_EGENERIC;
320         }
321
322         /* Check GLX version */
323         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
324         {
325             msg_Err( p_this, "glXQueryVersion failed" );
326             XCloseDisplay( p_vout->p_sys->p_display );
327             free( p_vout->p_sys );
328             return VLC_EGENERIC;
329         }
330         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
331         {
332             p_vout->p_sys->b_glx13 = VLC_FALSE;
333             msg_Dbg( p_this, "using GLX 1.2 API" );
334         }
335         else
336         {
337             p_vout->p_sys->b_glx13 = VLC_TRUE;
338             msg_Dbg( p_this, "using GLX 1.3 API" );
339         }
340     }
341 #endif
342
343     /* Create blank cursor (for mouse cursor autohiding) */
344     p_vout->p_sys->i_time_mouse_last_moved = mdate();
345     p_vout->p_sys->b_mouse_pointer_visible = 1;
346     CreateCursor( p_vout );
347
348     /* Set main window's size */
349     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
350     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
351     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
352     /* Spawn base window - this window will include the video output window,
353      * but also command buttons, subtitles and other indicators */
354     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
355     {
356         msg_Err( p_vout, "cannot create X11 window" );
357         DestroyCursor( p_vout );
358         XCloseDisplay( p_vout->p_sys->p_display );
359         free( p_vout->p_sys );
360         return VLC_EGENERIC;
361     }
362
363     /* Open and initialize device. */
364     if( InitDisplay( p_vout ) )
365     {
366         msg_Err( p_vout, "cannot initialize X11 display" );
367         DestroyCursor( p_vout );
368         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
369         XCloseDisplay( p_vout->p_sys->p_display );
370         free( p_vout->p_sys );
371         return VLC_EGENERIC;
372     }
373
374     /* Disable screen saver */
375     DisableXScreenSaver( p_vout );
376
377     /* Misc init */
378     p_vout->p_sys->b_altfullscreen = 0;
379     p_vout->p_sys->i_time_button_last_pressed = 0;
380
381     TestNetWMSupport( p_vout );
382
383 #ifdef MODULE_NAME_IS_xvmc
384     p_vout->p_sys->p_last_subtitle_save = NULL;
385     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
386
387     /* Look what method was requested */
388     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
389     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
390     if( psz_value )
391     {
392         if( (strcmp(psz_value, "bob") == 0) ||
393             (strcmp(psz_value, "blend") == 0) )
394            p_vout->p_sys->xvmc_deinterlace_method = 2;
395         else if (strcmp(psz_value, "discard") == 0)
396            p_vout->p_sys->xvmc_deinterlace_method = 1;
397         else
398            p_vout->p_sys->xvmc_deinterlace_method = 0;
399         free(psz_value );
400     }
401     else
402         p_vout->p_sys->xvmc_deinterlace_method = 0;
403
404     /* Look what method was requested */
405     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
406     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
407     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
408
409     if( psz_value )
410     {
411         if( strncmp( psz_value, "eq", 2 ) == 0 )
412            p_vout->p_sys->xvmc_crop_style = 1;
413         else if( strncmp( psz_value, "4-16", 4 ) == 0)
414            p_vout->p_sys->xvmc_crop_style = 2;
415         else if( strncmp( psz_value, "16-4", 4 ) == 0)
416            p_vout->p_sys->xvmc_crop_style = 3;
417         else
418            p_vout->p_sys->xvmc_crop_style = 0;
419         free( psz_value );
420     }
421     else
422         p_vout->p_sys->xvmc_crop_style = 0;
423
424     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
425     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
426
427     if( !checkXvMCCap( p_vout ) )
428     {
429         msg_Err( p_vout, "no XVMC capability found" );
430         E_(Deactivate)( p_vout );
431         return VLC_EGENERIC;
432     }
433     sub_pic.p_sys = NULL;
434     p_vout->p_sys->last_date = 0;
435 #endif
436
437 #ifdef HAVE_XSP
438     p_vout->p_sys->i_hw_scale = 1;
439 #endif
440
441 #ifdef HAVE_OSSO
442     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
443     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
444     if ( p_vout->p_sys->p_octx == NULL ) {
445         msg_Err( p_vout, "Could not get osso context" );
446     } else {
447         msg_Dbg( p_vout, "Initialized osso context" );
448     }
449 #endif
450
451     /* Variable to indicate if the window should be on top of others */
452     /* Trigger a callback right now */
453     var_Get( p_vout, "video-on-top", &val );
454     var_Set( p_vout, "video-on-top", val );
455
456     return VLC_SUCCESS;
457 }
458
459 /*****************************************************************************
460  * Deactivate: destroy X11 video thread output method
461  *****************************************************************************
462  * Terminate an output method created by Open
463  *****************************************************************************/
464 void E_(Deactivate) ( vlc_object_t *p_this )
465 {
466     vout_thread_t *p_vout = (vout_thread_t *)p_this;
467
468     /* If the fullscreen window is still open, close it */
469     if( p_vout->b_fullscreen )
470     {
471         ToggleFullScreen( p_vout );
472     }
473
474     /* Restore cursor if it was blanked */
475     if( !p_vout->p_sys->b_mouse_pointer_visible )
476     {
477         ToggleCursor( p_vout );
478     }
479
480 #ifdef MODULE_NAME_IS_x11
481     /* Destroy colormap */
482     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
483     {
484         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
485     }
486 #elif defined(MODULE_NAME_IS_xvideo)
487     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
488 #elif defined(MODULE_NAME_IS_xvmc)
489     if( p_vout->p_sys->xvmc_cap )
490     {
491         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
492         xxmc_dispose_context( p_vout );
493         if( p_vout->p_sys->old_subpic )
494         {
495             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
496             p_vout->p_sys->old_subpic = NULL;
497         }
498         if( p_vout->p_sys->new_subpic )
499         {
500             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
501             p_vout->p_sys->new_subpic = NULL;
502         }
503         free( p_vout->p_sys->xvmc_cap );
504         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
505     }
506 #endif
507
508 #ifdef HAVE_XSP
509     DisablePixelDoubling(p_vout);
510 #endif
511
512     DestroyCursor( p_vout );
513     EnableXScreenSaver( p_vout );
514     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
515     XCloseDisplay( p_vout->p_sys->p_display );
516
517     /* Destroy structure */
518     vlc_mutex_destroy( &p_vout->p_sys->lock );
519 #ifdef MODULE_NAME_IS_xvmc
520     free_context_lock( &p_vout->p_sys->xvmc_lock );
521 #endif
522
523 #ifdef HAVE_OSSO
524     if ( p_vout->p_sys->p_octx != NULL ) {
525         msg_Dbg( p_vout, "Deinitializing osso context" );
526         osso_deinitialize( p_vout->p_sys->p_octx );
527     }
528 #endif
529
530     free( p_vout->p_sys );
531 }
532
533 #ifdef MODULE_NAME_IS_xvmc
534
535 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
536
537 /* called xlocked */
538 static int xvmc_check_yv12( Display *display, XvPortID port )
539 {
540     XvImageFormatValues *formatValues;
541     int                  formats;
542     int                  i;
543
544     formatValues = XvListImageFormats( display, port, &formats );
545
546     for( i = 0; i < formats; i++ )
547     {
548         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
549             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
550         {
551             XFree (formatValues);
552             return 0;
553         }
554     }
555
556     XFree (formatValues);
557     return 1;
558 }
559
560 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
561 {
562     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
563 }
564
565 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
566 {
567     Atom         atom;
568     int          xv_double_buffer;
569
570     xv_double_buffer = 1;
571
572     XLockDisplay( p_vout->p_sys->p_display );
573     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
574 #if 0
575     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
576 #endif
577     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
578     XUnlockDisplay( p_vout->p_sys->p_display );
579
580     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
581     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
582 }
583
584 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
585 {
586     vlc_xxmc_t *xxmc = NULL;
587
588     vlc_mutex_lock( &p_vout->p_sys->lock );
589     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
590
591     xxmc = &p_pic->p_sys->xxmc_data;
592     if( (!xxmc->decoded ||
593         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
594     {
595         vlc_mutex_unlock( &p_vout->p_sys->lock );
596         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
597         return;
598     }
599
600     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
601
602     if (p_vout->p_last_subtitle != NULL)
603     {
604         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_last_subtitle )
605         {
606             p_vout->p_sys->new_subpic =
607                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
608                     p_vout->p_sys->xvmc_width,
609                     p_vout->p_sys->xvmc_height,
610                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
611
612             if (p_vout->p_sys->new_subpic)
613             {
614                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
615                 XvMCClearSubpicture( p_vout->p_sys->p_display,
616                         p_vout->p_sys->new_subpic,
617                         0,
618                         0,
619                         p_vout->p_sys->xvmc_width,
620                         p_vout->p_sys->xvmc_height,
621                         0x00 );
622                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
623                 clear_xx44_palette( &p_vout->p_sys->palette );
624
625                 if( sub_pic.p_sys == NULL )
626                 {
627                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
628                     if( sub_pic.p_sys != NULL )
629                     {
630                         sub_pic.p_sys->p_vout = p_vout;
631                         sub_pic.p_sys->xvmc_surf = NULL;
632                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
633                     }
634                 }
635                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
636                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
637                 sub_pic.p->i_pitch = p_vout->output.i_width;
638
639                 memset( p_vout->p_sys->subImage->data, 0,
640                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
641
642                 if (p_vout->p_last_subtitle != NULL)
643                 {
644                     blend_xx44( p_vout->p_sys->subImage->data,
645                                 p_vout->p_last_subtitle,
646                                 p_vout->p_sys->subImage->width,
647                                 p_vout->p_sys->subImage->height,
648                                 p_vout->p_sys->subImage->width,
649                                 &p_vout->p_sys->palette,
650                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
651                 }
652
653                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
654                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
655                                          p_vout->p_sys->new_subpic,
656                                          p_vout->p_sys->subImage,
657                                          0, /* overlay->x */
658                                          0, /* overlay->y */
659                                          p_vout->output.i_width, /* overlay->width, */
660                                          p_vout->output.i_height, /* overlay->height */
661                                          0, /* overlay->x */
662                                          0 ); /*overlay->y */
663                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
664                 if (p_vout->p_sys->old_subpic)
665                 {
666                     xxmc_xvmc_free_subpicture( p_vout,
667                                                p_vout->p_sys->old_subpic);
668                     p_vout->p_sys->old_subpic = NULL;
669                 }
670                 if (p_vout->p_sys->new_subpic)
671                 {
672                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
673                     p_vout->p_sys->new_subpic = NULL;
674                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
675                             p_vout->p_sys->xvmc_palette,
676                             0,
677                             p_vout->p_sys->old_subpic->num_palette_entries,
678                             p_vout->p_sys->old_subpic->entry_bytes,
679                             p_vout->p_sys->old_subpic->component_order );
680                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
681                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
682                                               p_vout->p_sys->old_subpic,
683                                               p_vout->p_sys->xvmc_palette );
684                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
685                                          p_vout->p_sys->old_subpic);
686                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
687                                         p_vout->p_sys->old_subpic );
688                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
689                 }
690
691                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
692                 if (p_vout->p_sys->xvmc_backend_subpic )
693                 {
694                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
695                                          p_pic->p_sys->xvmc_surf,
696                                          p_vout->p_sys->old_subpic,
697                                          0,
698                                          0,
699                                          p_vout->p_sys->xvmc_width,
700                                          p_vout->p_sys->xvmc_height,
701                                          0,
702                                          0,
703                                          p_vout->p_sys->xvmc_width,
704                                          p_vout->p_sys->xvmc_height );
705                 }
706                 else
707                 {
708                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
709                                           p_pic->p_sys->xvmc_surf,
710                                           p_pic->p_sys->xvmc_surf,
711                                           p_vout->p_sys->old_subpic,
712                                           0,
713                                           0,
714                                           p_vout->p_sys->xvmc_width,
715                                           p_vout->p_sys->xvmc_height,
716                                           0,
717                                           0,
718                                           p_vout->p_sys->xvmc_width,
719                                           p_vout->p_sys->xvmc_height );
720                }
721                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
722             }
723         }
724         else
725         {
726             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
727             if( p_vout->p_sys->xvmc_backend_subpic )
728             {
729                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
730                                      p_pic->p_sys->xvmc_surf,
731                                      p_vout->p_sys->old_subpic,
732                                      0, 0,
733                                      p_vout->p_sys->xvmc_width,
734                                      p_vout->p_sys->xvmc_height,
735                                      0, 0,
736                                      p_vout->p_sys->xvmc_width,
737                                      p_vout->p_sys->xvmc_height );
738             }
739             else
740             {
741                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
742                                       p_pic->p_sys->xvmc_surf,
743                                       p_pic->p_sys->xvmc_surf,
744                                       p_vout->p_sys->old_subpic,
745                                       0, 0,
746                                       p_vout->p_sys->xvmc_width,
747                                       p_vout->p_sys->xvmc_height,
748                                       0, 0,
749                                       p_vout->p_sys->xvmc_width,
750                                       p_vout->p_sys->xvmc_height );
751             }
752             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
753         }
754     }
755     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
756
757     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
758     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
759
760     vlc_mutex_unlock( &p_vout->p_sys->lock );
761 }
762 #endif
763
764 #ifdef HAVE_XSP
765 /*****************************************************************************
766  * EnablePixelDoubling: Enables pixel doubling
767  *****************************************************************************
768  * Checks if the double size image fits in current window, and enables pixel
769  * doubling accordingly. The i_hw_scale is the integer scaling factor.
770  *****************************************************************************/
771 static void EnablePixelDoubling( vout_thread_t *p_vout )
772 {
773     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
774     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
775     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
776         p_vout->p_sys->i_hw_scale = 2;
777         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
778         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
779     }
780 }
781
782 /*****************************************************************************
783  * DisablePixelDoubling: Disables pixel doubling
784  *****************************************************************************
785  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
786  *****************************************************************************/
787 static void DisablePixelDoubling( vout_thread_t *p_vout )
788 {
789     if ( p_vout->p_sys->i_hw_scale > 1 ) {
790         msg_Dbg( p_vout, "Disabling pixel doubling" );
791         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
792         p_vout->p_sys->i_hw_scale = 1;
793     }
794 }
795 #endif
796
797
798
799 /*****************************************************************************
800  * InitVideo: initialize X11 video thread output method
801  *****************************************************************************
802  * This function create the XImages needed by the output thread. It is called
803  * at the beginning of the thread, but also each time the window is resized.
804  *****************************************************************************/
805 static int InitVideo( vout_thread_t *p_vout )
806 {
807     unsigned int i_index = 0;
808     picture_t *p_pic;
809
810     I_OUTPUTPICTURES = 0;
811
812 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
813     /* Initialize the output structure; we already found an XVideo port,
814      * and the corresponding chroma we will be using. Since we can
815      * arbitrary scale, stick to the coordinates and aspect. */
816     p_vout->output.i_width  = p_vout->render.i_width;
817     p_vout->output.i_height = p_vout->render.i_height;
818     p_vout->output.i_aspect = p_vout->render.i_aspect;
819
820     p_vout->fmt_out = p_vout->fmt_in;
821     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
822
823     switch( p_vout->output.i_chroma )
824     {
825         case VLC_FOURCC('R','V','1','6'):
826 #if defined( WORDS_BIGENDIAN )
827             p_vout->output.i_rmask = 0xf800;
828             p_vout->output.i_gmask = 0x07e0;
829             p_vout->output.i_bmask = 0x001f;
830 #else
831             p_vout->output.i_rmask = 0x001f;
832             p_vout->output.i_gmask = 0x07e0;
833             p_vout->output.i_bmask = 0xf800;
834 #endif
835             break;
836         case VLC_FOURCC('R','V','1','5'):
837 #if defined( WORDS_BIGENDIAN )
838             p_vout->output.i_rmask = 0x7c00;
839             p_vout->output.i_gmask = 0x03e0;
840             p_vout->output.i_bmask = 0x001f;
841 #else
842             p_vout->output.i_rmask = 0x001f;
843             p_vout->output.i_gmask = 0x03e0;
844             p_vout->output.i_bmask = 0x7c00;
845 #endif
846             break;
847     }
848
849 #elif defined(MODULE_NAME_IS_x11)
850     /* Initialize the output structure: RGB with square pixels, whatever
851      * the input format is, since it's the only format we know */
852     switch( p_vout->p_sys->i_screen_depth )
853     {
854         case 8: /* FIXME: set the palette */
855             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
856         case 15:
857             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
858         case 16:
859             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
860         case 24:
861         case 32:
862             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
863         default:
864             msg_Err( p_vout, "unknown screen depth %i",
865                      p_vout->p_sys->i_screen_depth );
866             return VLC_SUCCESS;
867     }
868
869 #ifdef HAVE_XSP
870     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
871                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
872                        &i_index, &i_index,
873                        &p_vout->fmt_out.i_visible_width,
874                        &p_vout->fmt_out.i_visible_height );
875 #else
876     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
877                        p_vout->p_sys->p_win->i_height,
878                        &i_index, &i_index,
879                        &p_vout->fmt_out.i_visible_width,
880                        &p_vout->fmt_out.i_visible_height );
881 #endif
882
883     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
884
885     p_vout->output.i_width = p_vout->fmt_out.i_width =
886         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
887         p_vout->fmt_in.i_visible_width;
888     p_vout->output.i_height = p_vout->fmt_out.i_height =
889         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
890         p_vout->fmt_in.i_visible_height;
891     p_vout->fmt_out.i_x_offset =
892         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
893         p_vout->fmt_in.i_visible_width;
894     p_vout->fmt_out.i_y_offset =
895         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
896         p_vout->fmt_in.i_visible_height;
897
898     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
899     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
900         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
901
902     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
903              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
904              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
905              p_vout->fmt_out.i_visible_width,
906              p_vout->fmt_out.i_visible_height );
907 #endif
908
909     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
910     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
911     {
912         p_pic = NULL;
913
914         /* Find an empty picture slot */
915         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
916         {
917           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
918             {
919                 p_pic = p_vout->p_picture + i_index;
920                 break;
921             }
922         }
923
924         /* Allocate the picture */
925         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
926         {
927             break;
928         }
929
930         p_pic->i_status = DESTROYED_PICTURE;
931         p_pic->i_type   = DIRECT_PICTURE;
932
933         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
934
935         I_OUTPUTPICTURES++;
936     }
937
938     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
939     {
940         /* U and V inverted compared to I420
941          * Fixme: this should be handled by the vout core */
942         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
943         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
944     }
945
946     return VLC_SUCCESS;
947 }
948
949 /*****************************************************************************
950  * DisplayVideo: displays previously rendered output
951  *****************************************************************************
952  * This function sends the currently rendered image to X11 server.
953  * (The Xv extension takes care of "double-buffering".)
954  *****************************************************************************/
955 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
956 {
957     unsigned int i_width, i_height, i_x, i_y;
958
959     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
960                        p_vout->p_sys->p_win->i_height,
961                        &i_x, &i_y, &i_width, &i_height );
962
963     vlc_mutex_lock( &p_vout->p_sys->lock );
964
965 #ifdef MODULE_NAME_IS_xvmc
966     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
967
968     vlc_xxmc_t *xxmc = &p_picture->p_sys->xxmc_data;
969     if( !xxmc->decoded ||
970         !xxmc_xvmc_surface_valid( p_vout, p_picture->p_sys->xvmc_surf ) )
971     {
972       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
973                xxmc->decoded,
974                xxmc_xvmc_surface_valid( p_vout, p_picture->p_sys->xvmc_surf ) );
975       vlc_mutex_unlock( &p_vout->p_sys->lock );
976       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
977       return;
978     }
979
980     src_width = p_vout->output.i_width;
981     src_height = p_vout->output.i_height;
982
983     if( p_vout->p_sys->xvmc_crop_style == 1 )
984     {
985         src_x = 20;
986         src_y = 20;
987         src_width -= 40;
988         src_height -= 40;
989     }
990     else if( p_vout->p_sys->xvmc_crop_style == 2 )
991     {
992         src_x = 20;
993         src_y = 40;
994         src_width -= 40;
995         src_height -= 80;
996     }
997     else if( p_vout->p_sys->xvmc_crop_style == 3 )
998     {
999         src_x = 40;
1000         src_y = 20;
1001         src_width -= 80;
1002         src_height -= 40;
1003     }
1004     else
1005     {
1006         src_x = 0;
1007         src_y = 0;
1008     }
1009
1010     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1011     {   /* BOB DEINTERLACE */
1012         if( (p_picture->p_sys->nb_display == 0) ||
1013             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1014         {
1015             first_field = (p_picture->b_top_field_first) ?
1016                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1017         }
1018         else
1019         {
1020             first_field = (p_picture->b_top_field_first) ?
1021                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1022         }
1023     }
1024     else
1025     {
1026         first_field = XVMC_FRAME_PICTURE;
1027      }
1028
1029     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1030     XvMCFlushSurface( p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf );
1031     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1032     XvMCPutSurface( p_vout->p_sys->p_display,
1033                     p_picture->p_sys->xvmc_surf,
1034                     p_vout->p_sys->p_win->video_window,
1035                     src_x,
1036                     src_y,
1037                     src_width,
1038                     src_height,
1039                     0 /*dest_x*/,
1040                     0 /*dest_y*/,
1041                     i_width,
1042                     i_height,
1043                     first_field);
1044
1045     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1046     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1047     {   /* BOB DEINTERLACE */
1048         if( p_picture->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1049         {
1050             mtime_t last_date = p_picture->date;
1051
1052             vlc_mutex_lock( &p_vout->picture_lock );
1053             if( !p_vout->p_sys->last_date )
1054             {
1055                 p_picture->date += 20000;
1056             }
1057             else
1058             {
1059                 p_picture->date = ((3 * p_picture->date -
1060                                     p_vout->p_sys->last_date) / 2 );
1061             }
1062             p_vout->p_sys->last_date = last_date;
1063             p_picture->b_force = 1;
1064             p_picture->p_sys->nb_display = 1;
1065             vlc_mutex_unlock( &p_vout->picture_lock );
1066         }
1067         else
1068         {
1069             p_picture->p_sys->nb_display = 0;
1070             p_picture->b_force = 0;
1071         }
1072     }
1073     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1074 #endif
1075
1076 #ifdef HAVE_SYS_SHM_H
1077     if( p_vout->p_sys->i_shm_opcode )
1078     {
1079         /* Display rendered image using shared memory extension */
1080 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1081         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1082                        p_vout->p_sys->p_win->video_window,
1083                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1084                        p_vout->fmt_out.i_x_offset,
1085                        p_vout->fmt_out.i_y_offset,
1086                        p_vout->fmt_out.i_visible_width,
1087                        p_vout->fmt_out.i_visible_height,
1088                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1089                        False /* Don't put True here or you'll waste your CPU */ );
1090 #   else
1091         XShmPutImage( p_vout->p_sys->p_display,
1092                       p_vout->p_sys->p_win->video_window,
1093                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1094                       p_vout->fmt_out.i_x_offset,
1095                       p_vout->fmt_out.i_y_offset,
1096                       0 /*dest_x*/, 0 /*dest_y*/,
1097                       p_vout->fmt_out.i_visible_width,
1098                       p_vout->fmt_out.i_visible_height,
1099                       False /* Don't put True here ! */ );
1100 #   endif
1101     }
1102     else
1103 #endif /* HAVE_SYS_SHM_H */
1104     {
1105         /* Use standard XPutImage -- this is gonna be slow ! */
1106 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1107         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
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                     p_vout->fmt_out.i_visible_width,
1113                     p_vout->fmt_out.i_visible_height,
1114                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1115 #else
1116         XPutImage( p_vout->p_sys->p_display,
1117                    p_vout->p_sys->p_win->video_window,
1118                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1119                    p_vout->fmt_out.i_x_offset,
1120                    p_vout->fmt_out.i_y_offset,
1121                    0 /*dest_x*/, 0 /*dest_y*/,
1122                    p_vout->fmt_out.i_visible_width,
1123                    p_vout->fmt_out.i_visible_height );
1124 #endif
1125     }
1126
1127     /* Make sure the command is sent now - do NOT use XFlush !*/
1128     XSync( p_vout->p_sys->p_display, False );
1129
1130     vlc_mutex_unlock( &p_vout->p_sys->lock );
1131 }
1132
1133 /*****************************************************************************
1134  * ManageVideo: handle X11 events
1135  *****************************************************************************
1136  * This function should be called regularly by video output thread. It manages
1137  * X11 events and allows window resizing. It returns a non null value on
1138  * error.
1139  *****************************************************************************/
1140 static int ManageVideo( vout_thread_t *p_vout )
1141 {
1142     XEvent      xevent;                                         /* X11 event */
1143     vlc_value_t val;
1144
1145     vlc_mutex_lock( &p_vout->p_sys->lock );
1146
1147 #ifdef MODULE_NAME_IS_xvmc
1148     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1149 #endif
1150
1151     /* Handle events from the owner window */
1152     if( p_vout->p_sys->p_win->owner_window )
1153     {
1154         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1155                                   p_vout->p_sys->p_win->owner_window,
1156                                   StructureNotifyMask, &xevent ) == True )
1157         {
1158             /* ConfigureNotify event: prepare  */
1159             if( xevent.type == ConfigureNotify )
1160             {
1161                 /* Update dimensions */
1162                 XResizeWindow( p_vout->p_sys->p_display,
1163                                p_vout->p_sys->p_win->base_window,
1164                                xevent.xconfigure.width,
1165                                xevent.xconfigure.height );
1166             }
1167         }
1168     }
1169
1170     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1171      * output window's size changed, MapNotify and UnmapNotify to know if the
1172      * window is mapped (and if the display is useful), and ClientMessages
1173      * to intercept window destruction requests */
1174
1175     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1176                               p_vout->p_sys->p_win->base_window,
1177                               StructureNotifyMask | KeyPressMask |
1178                               ButtonPressMask | ButtonReleaseMask |
1179                               PointerMotionMask | Button1MotionMask , &xevent )
1180            == True )
1181     {
1182         /* ConfigureNotify event: prepare  */
1183         if( xevent.type == ConfigureNotify )
1184         {
1185             if( (unsigned int)xevent.xconfigure.width
1186                    != p_vout->p_sys->p_win->i_width
1187               || (unsigned int)xevent.xconfigure.height
1188                     != p_vout->p_sys->p_win->i_height )
1189             {
1190                 /* Update dimensions */
1191                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1192                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1193                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1194             }
1195         }
1196         /* Keyboard event */
1197         else if( xevent.type == KeyPress )
1198         {
1199             unsigned int state = xevent.xkey.state;
1200             KeySym x_key_symbol;
1201             char i_key;                                   /* ISO Latin-1 key */
1202
1203             /* We may have keys like F1 trough F12, ESC ... */
1204             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1205                                              xevent.xkey.keycode, 0 );
1206             val.i_int = ConvertKey( (int)x_key_symbol );
1207
1208             xevent.xkey.state &= ~ShiftMask;
1209             xevent.xkey.state &= ~ControlMask;
1210             xevent.xkey.state &= ~Mod1Mask;
1211
1212             if( !val.i_int &&
1213                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1214             {
1215                 /* "Normal Keys"
1216                  * The reason why I use this instead of XK_0 is that
1217                  * with XLookupString, we don't have to care about
1218                  * keymaps. */
1219                 val.i_int = i_key;
1220             }
1221
1222             if( val.i_int )
1223             {
1224                 if( state & ShiftMask )
1225                 {
1226                     val.i_int |= KEY_MODIFIER_SHIFT;
1227                 }
1228                 if( state & ControlMask )
1229                 {
1230                     val.i_int |= KEY_MODIFIER_CTRL;
1231                 }
1232                 if( state & Mod1Mask )
1233                 {
1234                     val.i_int |= KEY_MODIFIER_ALT;
1235                 }
1236                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1237             }
1238         }
1239         /* Mouse click */
1240         else if( xevent.type == ButtonPress )
1241         {
1242             switch( ((XButtonEvent *)&xevent)->button )
1243             {
1244                 case Button1:
1245                     var_Get( p_vout, "mouse-button-down", &val );
1246                     val.i_int |= 1;
1247                     var_Set( p_vout, "mouse-button-down", val );
1248
1249                     /* detect double-clicks */
1250                     if( ( ((XButtonEvent *)&xevent)->time -
1251                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1252                     {
1253                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1254                     }
1255
1256                     p_vout->p_sys->i_time_button_last_pressed =
1257                         ((XButtonEvent *)&xevent)->time;
1258                     break;
1259                 case Button2:
1260                     var_Get( p_vout, "mouse-button-down", &val );
1261                     val.i_int |= 2;
1262                     var_Set( p_vout, "mouse-button-down", val );
1263                     break;
1264
1265                 case Button3:
1266                     var_Get( p_vout, "mouse-button-down", &val );
1267                     val.i_int |= 4;
1268                     var_Set( p_vout, "mouse-button-down", val );
1269                     break;
1270
1271                 case Button4:
1272                     var_Get( p_vout, "mouse-button-down", &val );
1273                     val.i_int |= 8;
1274                     var_Set( p_vout, "mouse-button-down", val );
1275                     break;
1276
1277                 case Button5:
1278                     var_Get( p_vout, "mouse-button-down", &val );
1279                     val.i_int |= 16;
1280                     var_Set( p_vout, "mouse-button-down", val );
1281                     break;
1282             }
1283         }
1284         /* Mouse release */
1285         else if( xevent.type == ButtonRelease )
1286         {
1287             switch( ((XButtonEvent *)&xevent)->button )
1288             {
1289                 case Button1:
1290                     var_Get( p_vout, "mouse-button-down", &val );
1291                     val.i_int &= ~1;
1292                     var_Set( p_vout, "mouse-button-down", val );
1293
1294                     val.b_bool = VLC_TRUE;
1295                     var_Set( p_vout, "mouse-clicked", val );
1296                     break;
1297
1298                 case Button2:
1299                     {
1300                         playlist_t *p_playlist;
1301
1302                         var_Get( p_vout, "mouse-button-down", &val );
1303                         val.i_int &= ~2;
1304                         var_Set( p_vout, "mouse-button-down", val );
1305
1306                         p_playlist = vlc_object_find( p_vout,
1307                                                       VLC_OBJECT_PLAYLIST,
1308                                                       FIND_ANYWHERE );
1309                         if( p_playlist != NULL )
1310                         {
1311                             vlc_value_t val;
1312                             var_Get( p_playlist, "intf-show", &val );
1313                             val.b_bool = !val.b_bool;
1314                             var_Set( p_playlist, "intf-show", val );
1315                             vlc_object_release( p_playlist );
1316                         }
1317                     }
1318                     break;
1319
1320                 case Button3:
1321                     {
1322                         intf_thread_t *p_intf;
1323                         playlist_t *p_playlist;
1324
1325                         var_Get( p_vout, "mouse-button-down", &val );
1326                         val.i_int &= ~4;
1327                         var_Set( p_vout, "mouse-button-down", val );
1328                         p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
1329                                                           FIND_ANYWHERE );
1330                         if( p_intf )
1331                         {
1332                             p_intf->b_menu_change = 1;
1333                             vlc_object_release( p_intf );
1334                         }
1335
1336                         p_playlist = vlc_object_find( p_vout,
1337                                                       VLC_OBJECT_PLAYLIST,
1338                                                       FIND_ANYWHERE );
1339                         if( p_playlist != NULL )
1340                         {
1341                             vlc_value_t val; val.b_bool = VLC_TRUE;
1342                             var_Set( p_playlist, "intf-popupmenu", val );
1343                             vlc_object_release( p_playlist );
1344                         }
1345                     }
1346                     break;
1347
1348                 case Button4:
1349                     var_Get( p_vout, "mouse-button-down", &val );
1350                     val.i_int &= ~8;
1351                     var_Set( p_vout, "mouse-button-down", val );
1352                     break;
1353
1354                 case Button5:
1355                     var_Get( p_vout, "mouse-button-down", &val );
1356                     val.i_int &= ~16;
1357                     var_Set( p_vout, "mouse-button-down", val );
1358                     break;
1359
1360             }
1361         }
1362         /* Mouse move */
1363         else if( xevent.type == MotionNotify )
1364         {
1365             unsigned int i_width, i_height, i_x, i_y;
1366             vlc_value_t val;
1367
1368             /* somewhat different use for vout_PlacePicture:
1369              * here the values are needed to give to mouse coordinates
1370              * in the original picture space */
1371             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1372                                p_vout->p_sys->p_win->i_height,
1373                                &i_x, &i_y, &i_width, &i_height );
1374
1375             /* Compute the x coordinate and check if the value is
1376                in [0,p_vout->fmt_in.i_visible_width] */
1377             val.i_int = ( xevent.xmotion.x - i_x ) *
1378                 p_vout->fmt_in.i_visible_width / i_width +
1379                 p_vout->fmt_in.i_x_offset;
1380
1381             if( (int)(xevent.xmotion.x - i_x) < 0 )
1382                 val.i_int = 0;
1383             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1384                 val.i_int = p_vout->fmt_in.i_visible_width;
1385
1386             var_Set( p_vout, "mouse-x", val );
1387
1388             /* compute the y coordinate and check if the value is
1389                in [0,p_vout->fmt_in.i_visible_height] */
1390             val.i_int = ( xevent.xmotion.y - i_y ) *
1391                 p_vout->fmt_in.i_visible_height / i_height +
1392                 p_vout->fmt_in.i_y_offset;
1393
1394             if( (int)(xevent.xmotion.y - i_y) < 0 )
1395                 val.i_int = 0;
1396             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1397                 val.i_int = p_vout->fmt_in.i_visible_height;
1398
1399             var_Set( p_vout, "mouse-y", val );
1400
1401             val.b_bool = VLC_TRUE;
1402             var_Set( p_vout, "mouse-moved", val );
1403
1404             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1405             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1406             {
1407                 ToggleCursor( p_vout );
1408             }
1409         }
1410         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1411                   || xevent.type == MapNotify
1412                   || xevent.type == UnmapNotify )
1413         {
1414             /* Ignore these events */
1415         }
1416         else /* Other events */
1417         {
1418             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1419         }
1420     }
1421
1422     /* Handle events for video output sub-window */
1423     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1424                               p_vout->p_sys->p_win->video_window,
1425                               ExposureMask, &xevent ) == True )
1426     {
1427         /* Window exposed (only handled if stream playback is paused) */
1428         if( xevent.type == Expose )
1429         {
1430             if( ((XExposeEvent *)&xevent)->count == 0 )
1431             {
1432                 /* (if this is the last a collection of expose events...) */
1433 #if 0
1434                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1435                 {
1436                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1437                                                    ->stream.control.i_status )
1438                     {
1439                         /* XVideoDisplay( p_vout )*/;
1440                     }
1441                 }
1442 #endif
1443             }
1444         }
1445     }
1446
1447     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1448      * are handled - according to the man pages, the format is always 32
1449      * in this case */
1450     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1451                              ClientMessage, &xevent ) )
1452     {
1453         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1454                && ((Atom)xevent.xclient.data.l[0]
1455                      == p_vout->p_sys->p_win->wm_delete_window ) )
1456         {
1457             /* the user wants to close the window */
1458             playlist_t * p_playlist =
1459                 (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
1460                                                FIND_ANYWHERE );
1461             if( p_playlist != NULL )
1462             {
1463                 playlist_Stop( p_playlist );
1464                 vlc_object_release( p_playlist );
1465             }
1466         }
1467     }
1468
1469     /*
1470      * Fullscreen Change
1471      */
1472     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1473     {
1474         vlc_value_t val_fs, val_ontop;
1475
1476         /* Update the object variable and trigger callback */
1477         val_fs.b_bool = !p_vout->b_fullscreen;
1478
1479         var_Set( p_vout, "fullscreen", val_fs );
1480
1481         /* Disable "always on top" in fullscreen mode */
1482         var_Get( p_vout, "video-on-top", &val_ontop );
1483         if( val_ontop.b_bool )
1484             WindowOnTop( p_vout, val_fs.b_bool );
1485
1486         ToggleFullScreen( p_vout );
1487         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1488     }
1489
1490     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1491         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1492     {
1493         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1494         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1495
1496         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1497         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1498         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1499         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1500         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1501         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1502         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1503         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1504
1505         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1506     }
1507
1508     /*
1509      * Size change
1510      *
1511      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1512      *  the size flag inside the fullscreen routine)
1513      */
1514     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1515     {
1516         unsigned int i_width, i_height, i_x, i_y;
1517
1518         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1519
1520 #ifdef MODULE_NAME_IS_x11
1521         /* We need to signal the vout thread about the size change because it
1522          * is doing the rescaling */
1523         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1524 #endif
1525
1526         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1527                            p_vout->p_sys->p_win->i_height,
1528                            &i_x, &i_y, &i_width, &i_height );
1529
1530         XMoveResizeWindow( p_vout->p_sys->p_display,
1531                            p_vout->p_sys->p_win->video_window,
1532                            i_x, i_y, i_width, i_height );
1533     }
1534
1535     /* Autohide Cursour */
1536     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
1537     {
1538         /* Hide the mouse automatically */
1539         if( p_vout->p_sys->b_mouse_pointer_visible )
1540         {
1541             ToggleCursor( p_vout );
1542         }
1543     }
1544
1545 #ifdef MODULE_NAME_IS_xvmc
1546     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1547 #endif
1548
1549 #ifdef HAVE_OSSO
1550     if ( p_vout->p_sys->p_octx != NULL ) {
1551         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1552             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1553                 msg_Err( p_vout, "Could not disable backlight blanking" );
1554         } else {
1555                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1556             }
1557             p_vout->p_sys->i_backlight_on_counter = 0;
1558         } else {
1559             p_vout->p_sys->i_backlight_on_counter ++;
1560         }
1561     }
1562 #endif
1563
1564     vlc_mutex_unlock( &p_vout->p_sys->lock );
1565     return 0;
1566 }
1567
1568 /*****************************************************************************
1569  * EndVideo: terminate X11 video thread output method
1570  *****************************************************************************
1571  * Destroy the X11 XImages created by Init. It is called at the end of
1572  * the thread, but also each time the window is resized.
1573  *****************************************************************************/
1574 static void EndVideo( vout_thread_t *p_vout )
1575 {
1576     int i_index;
1577
1578     /* Free the direct buffers we allocated */
1579     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1580     {
1581         i_index--;
1582         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1583     }
1584 }
1585
1586 /* following functions are local */
1587
1588 /*****************************************************************************
1589  * CreateWindow: open and set-up X11 main window
1590  *****************************************************************************/
1591 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1592 {
1593     XSizeHints              xsize_hints;
1594     XSetWindowAttributes    xwindow_attributes;
1595     XGCValues               xgcvalues;
1596     XEvent                  xevent;
1597
1598     vlc_bool_t              b_expose = VLC_FALSE;
1599     vlc_bool_t              b_configure_notify = VLC_FALSE;
1600     vlc_bool_t              b_map_notify = VLC_FALSE;
1601     vlc_value_t             val;
1602
1603     /* Prepare window manager hints and properties */
1604     p_win->wm_protocols =
1605              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1606     p_win->wm_delete_window =
1607              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1608
1609     /* Never have a 0-pixel-wide window */
1610     xsize_hints.min_width = 2;
1611     xsize_hints.min_height = 1;
1612
1613     /* Prepare window attributes */
1614     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1615     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1616                                                      p_vout->p_sys->i_screen);
1617     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1618
1619     if( !p_vout->b_fullscreen )
1620     {
1621         p_win->owner_window = (Window)vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
1622                                         &p_win->i_width, &p_win->i_height );
1623
1624         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1625         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1626         xsize_hints.flags       = PSize | PMinSize;
1627
1628         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1629         {
1630             xsize_hints.x = p_win->i_x;
1631             xsize_hints.y = p_win->i_y;
1632             xsize_hints.flags |= PPosition;
1633         }
1634     }
1635     else
1636     {
1637         /* Fullscreen window size and position */
1638         p_win->owner_window = 0;
1639         p_win->i_x = p_win->i_y = 0;
1640         p_win->i_width =
1641             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1642         p_win->i_height =
1643             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1644     }
1645
1646     if( !p_win->owner_window )
1647     {
1648         /* Create the window and set hints - the window must receive
1649          * ConfigureNotify events, and until it is displayed, Expose and
1650          * MapNotify events. */
1651
1652         p_win->base_window =
1653             XCreateWindow( p_vout->p_sys->p_display,
1654                            DefaultRootWindow( p_vout->p_sys->p_display ),
1655                            p_win->i_x, p_win->i_y,
1656                            p_win->i_width, p_win->i_height,
1657                            0,
1658                            0, InputOutput, 0,
1659                            CWBackingStore | CWBackPixel | CWEventMask,
1660                            &xwindow_attributes );
1661
1662         var_Get( p_vout, "video-title", &val );
1663         if( !val.psz_string || !*val.psz_string )
1664         {
1665             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1666 #ifdef MODULE_NAME_IS_x11
1667                         VOUT_TITLE " (X11 output)"
1668 #elif defined(MODULE_NAME_IS_glx)
1669                         VOUT_TITLE " (GLX output)"
1670 #else
1671                         VOUT_TITLE " (XVideo output)"
1672 #endif
1673               );
1674         }
1675         else
1676         {
1677             XStoreName( p_vout->p_sys->p_display,
1678                         p_win->base_window, val.psz_string );
1679         }
1680         if( val.psz_string ) free( val.psz_string );
1681
1682         if( !p_vout->b_fullscreen )
1683         {
1684             /* Set window manager hints and properties: size hints, command,
1685              * window's name, and accepted protocols */
1686             XSetWMNormalHints( p_vout->p_sys->p_display,
1687                                p_win->base_window, &xsize_hints );
1688             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1689                          (char**)p_vout->p_libvlc->ppsz_argv,
1690                          p_vout->p_libvlc->i_argc );
1691
1692             if( !var_GetBool( p_vout, "video-deco") )
1693             {
1694                 Atom prop;
1695                 mwmhints_t mwmhints;
1696
1697                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1698                 mwmhints.decorations = False;
1699
1700                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1701                                     False );
1702
1703                 XChangeProperty( p_vout->p_sys->p_display,
1704                                  p_win->base_window,
1705                                  prop, prop, 32, PropModeReplace,
1706                                  (unsigned char *)&mwmhints,
1707                                  PROP_MWM_HINTS_ELEMENTS );
1708             }
1709         }
1710     }
1711     else
1712     {
1713         Window dummy1;
1714         int dummy2, dummy3;
1715         unsigned int dummy4, dummy5;
1716
1717         /* Select events we are interested in. */
1718         XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
1719                       StructureNotifyMask );
1720
1721         /* Get the parent window's geometry information */
1722         XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
1723                       &dummy1, &dummy2, &dummy3,
1724                       &p_win->i_width,
1725                       &p_win->i_height,
1726                       &dummy4, &dummy5 );
1727
1728         /* We are already configured */
1729         b_configure_notify = VLC_TRUE;
1730
1731         /* From man XSelectInput: only one client at a time can select a
1732          * ButtonPress event, so we need to open a new window anyway. */
1733         p_win->base_window =
1734             XCreateWindow( p_vout->p_sys->p_display,
1735                            p_win->owner_window,
1736                            0, 0,
1737                            p_win->i_width, p_win->i_height,
1738                            0,
1739                            0, CopyFromParent, 0,
1740                            CWBackingStore | CWBackPixel | CWEventMask,
1741                            &xwindow_attributes );
1742     }
1743
1744     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1745         || (p_win->wm_delete_window == None)
1746         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1747                              &p_win->wm_delete_window, 1 ) )
1748     {
1749         /* WM_DELETE_WINDOW is not supported by window manager */
1750         msg_Warn( p_vout, "missing or bad window manager" );
1751     }
1752
1753     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1754      * event when using functions like XCopyArea */
1755     xgcvalues.graphics_exposures = False;
1756     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1757                            p_win->base_window,
1758                            GCGraphicsExposures, &xgcvalues );
1759
1760     /* Send orders to server, and wait until window is displayed - three
1761      * events must be received: a MapNotify event, an Expose event allowing
1762      * drawing in the window, and a ConfigureNotify to get the window
1763      * dimensions. Once those events have been received, only
1764      * ConfigureNotify events need to be received. */
1765     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1766     do
1767     {
1768         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1769                       SubstructureNotifyMask | StructureNotifyMask |
1770                       ExposureMask, &xevent);
1771         if( (xevent.type == Expose)
1772             && (xevent.xexpose.window == p_win->base_window) )
1773         {
1774             b_expose = VLC_TRUE;
1775             /* ConfigureNotify isn't sent if there isn't a window manager.
1776              * Expose should be the last event to be received so it should
1777              * be fine to assume we won't receive it anymore. */
1778             b_configure_notify = VLC_TRUE;
1779         }
1780         else if( (xevent.type == MapNotify)
1781                  && (xevent.xmap.window == p_win->base_window) )
1782         {
1783             b_map_notify = VLC_TRUE;
1784         }
1785         else if( (xevent.type == ConfigureNotify)
1786                  && (xevent.xconfigure.window == p_win->base_window) )
1787         {
1788             b_configure_notify = VLC_TRUE;
1789             p_win->i_width = xevent.xconfigure.width;
1790             p_win->i_height = xevent.xconfigure.height;
1791         }
1792     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1793
1794     XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1795                   StructureNotifyMask | KeyPressMask |
1796                   ButtonPressMask | ButtonReleaseMask |
1797                   PointerMotionMask );
1798
1799 #ifdef MODULE_NAME_IS_x11
1800     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1801     {
1802         /* Allocate a new palette */
1803         p_vout->p_sys->colormap =
1804             XCreateColormap( p_vout->p_sys->p_display,
1805                              DefaultRootWindow( p_vout->p_sys->p_display ),
1806                              DefaultVisual( p_vout->p_sys->p_display,
1807                                             p_vout->p_sys->i_screen ),
1808                              AllocAll );
1809
1810         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1811         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1812                                  CWColormap, &xwindow_attributes );
1813     }
1814 #endif
1815
1816     /* Create video output sub-window. */
1817     p_win->video_window =  XCreateSimpleWindow(
1818                                       p_vout->p_sys->p_display,
1819                                       p_win->base_window, 0, 0,
1820                                       p_win->i_width, p_win->i_height,
1821                                       0,
1822                                       BlackPixel( p_vout->p_sys->p_display,
1823                                                   p_vout->p_sys->i_screen ),
1824                                       WhitePixel( p_vout->p_sys->p_display,
1825                                                   p_vout->p_sys->i_screen ) );
1826
1827     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1828                           BlackPixel( p_vout->p_sys->p_display,
1829                                       p_vout->p_sys->i_screen ) );
1830
1831     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1832     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1833                   ExposureMask );
1834
1835     /* make sure the video window will be centered in the next ManageVideo() */
1836     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1837
1838     /* If the cursor was formerly blank than blank it again */
1839     if( !p_vout->p_sys->b_mouse_pointer_visible )
1840     {
1841         ToggleCursor( p_vout );
1842         ToggleCursor( p_vout );
1843     }
1844
1845     /* Do NOT use XFlush here ! */
1846     XSync( p_vout->p_sys->p_display, False );
1847
1848     /* At this stage, the window is open, displayed, and ready to
1849      * receive data */
1850     p_vout->p_sys->p_win = p_win;
1851
1852     return VLC_SUCCESS;
1853 }
1854
1855 /*****************************************************************************
1856  * DestroyWindow: destroy the window
1857  *****************************************************************************
1858  *
1859  *****************************************************************************/
1860 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1861 {
1862     /* Do NOT use XFlush here ! */
1863     XSync( p_vout->p_sys->p_display, False );
1864
1865     if( p_win->video_window != None )
1866         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1867
1868     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1869
1870     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1871     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1872
1873     if( p_win->owner_window )
1874         vout_ReleaseWindow( p_vout, (void *)p_win->owner_window );
1875 }
1876
1877 /*****************************************************************************
1878  * NewPicture: allocate a picture
1879  *****************************************************************************
1880  * Returns 0 on success, -1 otherwise
1881  *****************************************************************************/
1882 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1883 {
1884 #ifndef MODULE_NAME_IS_glx
1885
1886 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1887     int i_plane;
1888 #endif
1889
1890     /* We know the chroma, allocate a buffer which will be used
1891      * directly by the decoder */
1892     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1893
1894     if( p_pic->p_sys == NULL )
1895     {
1896         return -1;
1897     }
1898
1899 #ifdef MODULE_NAME_IS_xvmc
1900     p_pic->p_sys->p_vout = p_vout;
1901     p_pic->p_sys->xvmc_surf = NULL;
1902     p_pic->p_sys->xxmc_data.decoded = 0;
1903     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1904     p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1905     p_pic->p_sys->nb_display = 0;
1906 #endif
1907
1908     /* Fill in picture_t fields */
1909     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1910                       p_vout->output.i_width, p_vout->output.i_height,
1911                       p_vout->output.i_aspect );
1912
1913 #ifdef HAVE_SYS_SHM_H
1914     if( p_vout->p_sys->i_shm_opcode )
1915     {
1916         /* Create image using XShm extension */
1917         p_pic->p_sys->p_image =
1918             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1919 #   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1920                             p_vout->p_sys->i_xvport,
1921                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1922 #   else
1923                             p_vout->p_sys->p_visual,
1924                             p_vout->p_sys->i_screen_depth,
1925 #   endif
1926                             &p_pic->p_sys->shminfo,
1927                             p_vout->output.i_width, p_vout->output.i_height );
1928     }
1929
1930     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1931 #endif /* HAVE_SYS_SHM_H */
1932     {
1933         /* Create image without XShm extension */
1934         p_pic->p_sys->p_image =
1935             CreateImage( p_vout, p_vout->p_sys->p_display,
1936 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1937                          p_vout->p_sys->i_xvport,
1938                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1939                          p_pic->format.i_bits_per_pixel,
1940 #else
1941                          p_vout->p_sys->p_visual,
1942                          p_vout->p_sys->i_screen_depth,
1943                          p_vout->p_sys->i_bytes_per_pixel,
1944 #endif
1945                          p_vout->output.i_width, p_vout->output.i_height );
1946
1947 #ifdef HAVE_SYS_SHM_H
1948         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1949         {
1950             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1951             p_vout->p_sys->i_shm_opcode = 0;
1952         }
1953 #endif /* HAVE_SYS_SHM_H */
1954     }
1955
1956     if( p_pic->p_sys->p_image == NULL )
1957     {
1958         free( p_pic->p_sys );
1959         return -1;
1960     }
1961
1962     switch( p_vout->output.i_chroma )
1963     {
1964 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1965         case VLC_FOURCC('I','4','2','0'):
1966         case VLC_FOURCC('Y','V','1','2'):
1967         case VLC_FOURCC('Y','2','1','1'):
1968         case VLC_FOURCC('Y','U','Y','2'):
1969         case VLC_FOURCC('U','Y','V','Y'):
1970         case VLC_FOURCC('R','V','1','5'):
1971         case VLC_FOURCC('R','V','1','6'):
1972         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1973         case VLC_FOURCC('R','V','3','2'):
1974
1975             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1976                  i_plane++ )
1977             {
1978                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1979                     + p_pic->p_sys->p_image->offsets[i_plane];
1980                 p_pic->p[i_plane].i_pitch =
1981                     p_pic->p_sys->p_image->pitches[i_plane];
1982             }
1983             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1984             {
1985                 /* U and V inverted compared to I420
1986                  * Fixme: this should be handled by the vout core */
1987                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1988                     + p_pic->p_sys->p_image->offsets[2];
1989                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1990                     + p_pic->p_sys->p_image->offsets[1];
1991             }
1992             break;
1993
1994 #else
1995         case VLC_FOURCC('R','G','B','2'):
1996         case VLC_FOURCC('R','V','1','6'):
1997         case VLC_FOURCC('R','V','1','5'):
1998         case VLC_FOURCC('R','V','2','4'):
1999         case VLC_FOURCC('R','V','3','2'):
2000
2001             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
2002             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
2003             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2004                                   + p_pic->p_sys->p_image->xoffset;
2005             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
2006
2007             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
2008              * properly by vout_InitPicture() */
2009             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2010                                          * p_pic->p_sys->p_image->width;
2011             break;
2012 #endif
2013
2014         default:
2015             /* Unknown chroma, tell the guy to get lost */
2016             IMAGE_FREE( p_pic->p_sys->p_image );
2017             free( p_pic->p_sys );
2018             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2019                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2020             p_pic->i_planes = 0;
2021             return -1;
2022     }
2023 #else
2024
2025     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
2026
2027 #endif /* !MODULE_NAME_IS_glx */
2028
2029     return 0;
2030 }
2031
2032 /*****************************************************************************
2033  * FreePicture: destroy a picture allocated with NewPicture
2034  *****************************************************************************
2035  * Destroy XImage AND associated data. If using Shm, detach shared memory
2036  * segment from server and process, then free it. The XDestroyImage manpage
2037  * says that both the image structure _and_ the data pointed to by the
2038  * image structure are freed, so no need to free p_image->data.
2039  *****************************************************************************/
2040 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2041 {
2042     /* The order of operations is correct */
2043 #ifdef HAVE_SYS_SHM_H
2044     if( p_vout->p_sys->i_shm_opcode )
2045     {
2046         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2047         IMAGE_FREE( p_pic->p_sys->p_image );
2048
2049         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2050         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2051         {
2052             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2053         }
2054     }
2055     else
2056 #endif
2057     {
2058         IMAGE_FREE( p_pic->p_sys->p_image );
2059     }
2060
2061 #ifdef MODULE_NAME_IS_xvmc
2062     if( p_pic->p_sys->xvmc_surf != NULL )
2063     {
2064         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2065         p_pic->p_sys->xvmc_surf = NULL;
2066     }
2067 #endif
2068
2069     /* Do NOT use XFlush here ! */
2070     XSync( p_vout->p_sys->p_display, False );
2071
2072     free( p_pic->p_sys );
2073 }
2074
2075 /*****************************************************************************
2076  * ToggleFullScreen: Enable or disable full screen mode
2077  *****************************************************************************
2078  * This function will switch between fullscreen and window mode.
2079  *****************************************************************************/
2080 static void ToggleFullScreen ( vout_thread_t *p_vout )
2081 {
2082     Atom prop;
2083     XEvent xevent;
2084     mwmhints_t mwmhints;
2085     XSetWindowAttributes attributes;
2086
2087 #ifdef HAVE_XINERAMA
2088     int i_d1, i_d2;
2089 #endif
2090
2091     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2092
2093     if( p_vout->b_fullscreen )
2094     {
2095         msg_Dbg( p_vout, "entering fullscreen mode" );
2096
2097         p_vout->p_sys->b_altfullscreen =
2098             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2099
2100         XUnmapWindow( p_vout->p_sys->p_display,
2101                       p_vout->p_sys->p_win->base_window );
2102
2103         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2104
2105         CreateWindow( p_vout, p_vout->p_sys->p_win );
2106         XDestroyWindow( p_vout->p_sys->p_display,
2107                         p_vout->p_sys->fullscreen_window.video_window );
2108         XReparentWindow( p_vout->p_sys->p_display,
2109                          p_vout->p_sys->original_window.video_window,
2110                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2111         p_vout->p_sys->fullscreen_window.video_window =
2112             p_vout->p_sys->original_window.video_window;
2113
2114         /* To my knowledge there are two ways to create a borderless window.
2115          * There's the generic way which is to tell x to bypass the window
2116          * manager, but this creates problems with the focus of other
2117          * applications.
2118          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2119          * luckily seems to be supported by most window managers. */
2120         if( !p_vout->p_sys->b_altfullscreen )
2121         {
2122             mwmhints.flags = MWM_HINTS_DECORATIONS;
2123             mwmhints.decorations = False;
2124
2125             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2126                                 False );
2127             XChangeProperty( p_vout->p_sys->p_display,
2128                              p_vout->p_sys->p_win->base_window,
2129                              prop, prop, 32, PropModeReplace,
2130                              (unsigned char *)&mwmhints,
2131                              PROP_MWM_HINTS_ELEMENTS );
2132         }
2133         else
2134         {
2135             /* brute force way to remove decorations */
2136             attributes.override_redirect = True;
2137             XChangeWindowAttributes( p_vout->p_sys->p_display,
2138                                      p_vout->p_sys->p_win->base_window,
2139                                      CWOverrideRedirect,
2140                                      &attributes);
2141
2142             /* Make sure the change is effective */
2143             XReparentWindow( p_vout->p_sys->p_display,
2144                              p_vout->p_sys->p_win->base_window,
2145                              DefaultRootWindow( p_vout->p_sys->p_display ),
2146                              0, 0 );
2147         }
2148
2149         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2150         {
2151             XClientMessageEvent event;
2152
2153             memset( &event, 0, sizeof( XClientMessageEvent ) );
2154
2155             event.type = ClientMessage;
2156             event.message_type = p_vout->p_sys->net_wm_state;
2157             event.display = p_vout->p_sys->p_display;
2158             event.window = p_vout->p_sys->p_win->base_window;
2159             event.format = 32;
2160             event.data.l[ 0 ] = 1; /* set property */
2161             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2162
2163             XSendEvent( p_vout->p_sys->p_display,
2164                         DefaultRootWindow( p_vout->p_sys->p_display ),
2165                         False, SubstructureRedirectMask,
2166                         (XEvent*)&event );
2167         }
2168
2169         /* Make sure the change is effective */
2170         XReparentWindow( p_vout->p_sys->p_display,
2171                          p_vout->p_sys->p_win->base_window,
2172                          DefaultRootWindow( p_vout->p_sys->p_display ),
2173                          0, 0 );
2174
2175 #ifdef HAVE_XINERAMA
2176         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2177             XineramaIsActive( p_vout->p_sys->p_display ) )
2178         {
2179             XineramaScreenInfo *screens;   /* infos for xinerama */
2180             int i_num_screens;
2181
2182             msg_Dbg( p_vout, "using XFree Xinerama extension");
2183
2184 #define SCREEN p_vout->p_sys->p_win->i_screen
2185
2186             /* Get Information about Xinerama (num of screens) */
2187             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2188                                             &i_num_screens );
2189
2190             SCREEN = config_GetInt( p_vout,
2191                                         MODULE_STRING "-xineramascreen" );
2192
2193             /* just check that user has entered a good value */
2194             if( SCREEN >= i_num_screens || SCREEN < 0 )
2195             {
2196                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2197                 SCREEN = 0;
2198             }
2199
2200             /* Get the X/Y upper left corner coordinate of the above screen */
2201             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2202             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2203
2204             /* Set the Height/width to the screen resolution */
2205             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2206             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2207
2208             XFree(screens);
2209
2210 #undef SCREEN
2211
2212         }
2213         else
2214 #endif
2215         {
2216             /* The window wasn't necessarily created at the requested size */
2217             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2218
2219 #ifdef HAVE_XF86VIDMODE
2220             XF86VidModeModeLine mode;
2221             int i_dummy;
2222
2223             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2224                                         p_vout->p_sys->i_screen, &i_dummy,
2225                                         &mode ) )
2226             {
2227                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2228                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2229
2230                 /* move cursor to the middle of the window to prevent
2231                  * unwanted display move if the display is smaller than the
2232                  * full desktop */
2233                 XWarpPointer( p_vout->p_sys->p_display, None,
2234                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2235                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2236                 /* force desktop view to upper left corner */
2237                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2238                                         p_vout->p_sys->i_screen, 0, 0 );
2239             }
2240             else
2241 #endif
2242             {
2243                 p_vout->p_sys->p_win->i_width =
2244                     DisplayWidth( p_vout->p_sys->p_display,
2245                                 p_vout->p_sys->i_screen );
2246                 p_vout->p_sys->p_win->i_height =
2247                     DisplayHeight( p_vout->p_sys->p_display,
2248                                 p_vout->p_sys->i_screen );
2249             }
2250
2251         }
2252
2253         XMoveResizeWindow( p_vout->p_sys->p_display,
2254                            p_vout->p_sys->p_win->base_window,
2255                            p_vout->p_sys->p_win->i_x,
2256                            p_vout->p_sys->p_win->i_y,
2257                            p_vout->p_sys->p_win->i_width,
2258                            p_vout->p_sys->p_win->i_height );
2259
2260 #ifdef HAVE_XSP
2261         EnablePixelDoubling( p_vout );
2262 #endif
2263
2264         /* Activate the window (give it the focus) */
2265         XClientMessageEvent event;
2266
2267         memset( &event, 0, sizeof( XClientMessageEvent ) );
2268
2269         event.type = ClientMessage;
2270         event.message_type =
2271            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2272         event.display = p_vout->p_sys->p_display;
2273         event.window = p_vout->p_sys->p_win->base_window;
2274         event.format = 32;
2275         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2276         event.data.l[ 1 ] = 0; /* timestamp */
2277         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2278         /* XXX: window manager would be more likely to obey if we already have
2279          * an active window (and give it to the event), such as an interface */
2280
2281         XSendEvent( p_vout->p_sys->p_display,
2282                     DefaultRootWindow( p_vout->p_sys->p_display ),
2283                     False, SubstructureRedirectMask,
2284                     (XEvent*)&event );
2285     }
2286     else
2287     {
2288         msg_Dbg( p_vout, "leaving fullscreen mode" );
2289
2290 #ifdef HAVE_XSP
2291         DisablePixelDoubling( p_vout );
2292 #endif
2293
2294         XReparentWindow( p_vout->p_sys->p_display,
2295                          p_vout->p_sys->original_window.video_window,
2296                          p_vout->p_sys->original_window.base_window, 0, 0 );
2297
2298         p_vout->p_sys->fullscreen_window.video_window = None;
2299         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2300         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2301
2302         XMapWindow( p_vout->p_sys->p_display,
2303                     p_vout->p_sys->p_win->base_window );
2304     }
2305
2306     /* Unfortunately, using XSync() here is not enough to ensure the
2307      * window has already been mapped because the XMapWindow() request
2308      * has not necessarily been sent directly to our window (remember,
2309      * the call is first redirected to the window manager) */
2310     do
2311     {
2312         XWindowEvent( p_vout->p_sys->p_display,
2313                       p_vout->p_sys->p_win->base_window,
2314                       StructureNotifyMask, &xevent );
2315     } while( xevent.type != MapNotify );
2316
2317     /* Be careful, this can generate a BadMatch error if the window is not
2318      * already mapped by the server (see above) */
2319     XSetInputFocus(p_vout->p_sys->p_display,
2320                    p_vout->p_sys->p_win->base_window,
2321                    RevertToParent,
2322                    CurrentTime);
2323
2324     /* signal that the size needs to be updated */
2325     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2326 }
2327
2328 /*****************************************************************************
2329  * EnableXScreenSaver: enable screen saver
2330  *****************************************************************************
2331  * This function enables the screen saver on a display after it has been
2332  * disabled by XDisableScreenSaver.
2333  * FIXME: what happens if multiple vlc sessions are running at the same
2334  *        time ???
2335  *****************************************************************************/
2336 static void EnableXScreenSaver( vout_thread_t *p_vout )
2337 {
2338 #ifdef DPMSINFO_IN_DPMS_H
2339     int dummy;
2340 #endif
2341
2342     if( p_vout->p_sys->i_ss_timeout )
2343     {
2344         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2345                          p_vout->p_sys->i_ss_interval,
2346                          p_vout->p_sys->i_ss_blanking,
2347                          p_vout->p_sys->i_ss_exposure );
2348     }
2349
2350     /* Restore DPMS settings */
2351 #ifdef DPMSINFO_IN_DPMS_H
2352     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2353     {
2354         if( p_vout->p_sys->b_ss_dpms )
2355         {
2356             DPMSEnable( p_vout->p_sys->p_display );
2357         }
2358     }
2359 #endif
2360 }
2361
2362 /*****************************************************************************
2363  * DisableXScreenSaver: disable screen saver
2364  *****************************************************************************
2365  * See XEnableXScreenSaver
2366  *****************************************************************************/
2367 static void DisableXScreenSaver( vout_thread_t *p_vout )
2368 {
2369 #ifdef DPMSINFO_IN_DPMS_H
2370     int dummy;
2371 #endif
2372
2373     /* Save screen saver information */
2374     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2375                      &p_vout->p_sys->i_ss_interval,
2376                      &p_vout->p_sys->i_ss_blanking,
2377                      &p_vout->p_sys->i_ss_exposure );
2378
2379     /* Disable screen saver */
2380     if( p_vout->p_sys->i_ss_timeout )
2381     {
2382         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2383                          p_vout->p_sys->i_ss_interval,
2384                          p_vout->p_sys->i_ss_blanking,
2385                          p_vout->p_sys->i_ss_exposure );
2386     }
2387
2388     /* Disable DPMS */
2389 #ifdef DPMSINFO_IN_DPMS_H
2390     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2391     {
2392         CARD16 unused;
2393         /* Save DPMS current state */
2394         DPMSInfo( p_vout->p_sys->p_display, &unused,
2395                   &p_vout->p_sys->b_ss_dpms );
2396         DPMSDisable( p_vout->p_sys->p_display );
2397    }
2398 #endif
2399 }
2400
2401 /*****************************************************************************
2402  * CreateCursor: create a blank mouse pointer
2403  *****************************************************************************/
2404 static void CreateCursor( vout_thread_t *p_vout )
2405 {
2406     XColor cursor_color;
2407
2408     p_vout->p_sys->cursor_pixmap =
2409         XCreatePixmap( p_vout->p_sys->p_display,
2410                        DefaultRootWindow( p_vout->p_sys->p_display ),
2411                        1, 1, 1 );
2412
2413     XParseColor( p_vout->p_sys->p_display,
2414                  XCreateColormap( p_vout->p_sys->p_display,
2415                                   DefaultRootWindow(
2416                                                     p_vout->p_sys->p_display ),
2417                                   DefaultVisual(
2418                                                 p_vout->p_sys->p_display,
2419                                                 p_vout->p_sys->i_screen ),
2420                                   AllocNone ),
2421                  "black", &cursor_color );
2422
2423     p_vout->p_sys->blank_cursor =
2424         XCreatePixmapCursor( p_vout->p_sys->p_display,
2425                              p_vout->p_sys->cursor_pixmap,
2426                              p_vout->p_sys->cursor_pixmap,
2427                              &cursor_color, &cursor_color, 1, 1 );
2428 }
2429
2430 /*****************************************************************************
2431  * DestroyCursor: destroy the blank mouse pointer
2432  *****************************************************************************/
2433 static void DestroyCursor( vout_thread_t *p_vout )
2434 {
2435     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2436 }
2437
2438 /*****************************************************************************
2439  * ToggleCursor: hide or show the mouse pointer
2440  *****************************************************************************
2441  * This function hides the X pointer if it is visible by setting the pointer
2442  * sprite to a blank one. To show it again, we disable the sprite.
2443  *****************************************************************************/
2444 static void ToggleCursor( vout_thread_t *p_vout )
2445 {
2446     if( p_vout->p_sys->b_mouse_pointer_visible )
2447     {
2448         XDefineCursor( p_vout->p_sys->p_display,
2449                        p_vout->p_sys->p_win->base_window,
2450                        p_vout->p_sys->blank_cursor );
2451         p_vout->p_sys->b_mouse_pointer_visible = 0;
2452     }
2453     else
2454     {
2455         XUndefineCursor( p_vout->p_sys->p_display,
2456                          p_vout->p_sys->p_win->base_window );
2457         p_vout->p_sys->b_mouse_pointer_visible = 1;
2458     }
2459 }
2460
2461 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2462 /*****************************************************************************
2463  * XVideoGetPort: get YUV12 port
2464  *****************************************************************************/
2465 static int XVideoGetPort( vout_thread_t *p_vout,
2466                           vlc_fourcc_t i_chroma, vlc_fourcc_t *pi_newchroma )
2467 {
2468     XvAdaptorInfo *p_adaptor;
2469     unsigned int i;
2470     unsigned int i_adaptor, i_num_adaptors;
2471     int i_requested_adaptor;
2472     int i_selected_port;
2473
2474     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2475     {
2476         case Success:
2477             break;
2478
2479         case XvBadExtension:
2480             msg_Warn( p_vout, "XvBadExtension" );
2481             return -1;
2482
2483         case XvBadAlloc:
2484             msg_Warn( p_vout, "XvBadAlloc" );
2485             return -1;
2486
2487         default:
2488             msg_Warn( p_vout, "XvQueryExtension failed" );
2489             return -1;
2490     }
2491
2492     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2493                              DefaultRootWindow( p_vout->p_sys->p_display ),
2494                              &i_num_adaptors, &p_adaptor ) )
2495     {
2496         case Success:
2497             break;
2498
2499         case XvBadExtension:
2500             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2501             return -1;
2502
2503         case XvBadAlloc:
2504             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2505             return -1;
2506
2507         default:
2508             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2509             return -1;
2510     }
2511
2512     i_selected_port = -1;
2513 #ifdef MODULE_NAME_IS_xvmc
2514     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2515 #else
2516     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2517 #endif
2518     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2519     {
2520         XvImageFormatValues *p_formats;
2521         int i_format, i_num_formats;
2522         int i_port;
2523
2524         /* If we requested an adaptor and it's not this one, we aren't
2525          * interested */
2526         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2527         {
2528             continue;
2529         }
2530
2531         /* If the adaptor doesn't have the required properties, skip it */
2532         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2533             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2534         {
2535             continue;
2536         }
2537
2538         /* Check that adaptor supports our requested format... */
2539         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2540                                         p_adaptor[i_adaptor].base_id,
2541                                         &i_num_formats );
2542
2543         for( i_format = 0;
2544              i_format < i_num_formats && ( i_selected_port == -1 );
2545              i_format++ )
2546         {
2547             XvAttribute     *p_attr;
2548             int             i_attr, i_num_attributes;
2549
2550             /* If this is not the format we want, or at least a
2551              * similar one, forget it */
2552             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2553             {
2554                 continue;
2555             }
2556
2557             /* Look for the first available port supporting this format */
2558             for( i_port = p_adaptor[i_adaptor].base_id;
2559                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2560                                    + p_adaptor[i_adaptor].num_ports) )
2561                    && ( i_selected_port == -1 );
2562                  i_port++ )
2563             {
2564                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2565                      == Success )
2566                 {
2567                     i_selected_port = i_port;
2568                     *pi_newchroma = p_formats[ i_format ].id;
2569                 }
2570             }
2571
2572             /* If no free port was found, forget it */
2573             if( i_selected_port == -1 )
2574             {
2575                 continue;
2576             }
2577
2578             /* If we found a port, print information about it */
2579             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2580                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2581                      (char *)&p_formats[ i_format ].id,
2582                      ( p_formats[ i_format ].format == XvPacked ) ?
2583                          "packed" : "planar" );
2584
2585             /* Make sure XV_AUTOPAINT_COLORKEY is set */
2586             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2587                                             i_selected_port,
2588                                             &i_num_attributes );
2589
2590             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2591             {
2592                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2593                 {
2594                     const Atom autopaint =
2595                         XInternAtom( p_vout->p_sys->p_display,
2596                                      "XV_AUTOPAINT_COLORKEY", False );
2597                     XvSetPortAttribute( p_vout->p_sys->p_display,
2598                                         i_selected_port, autopaint, 1 );
2599                     break;
2600                 }
2601             }
2602
2603             if( p_attr != NULL )
2604             {
2605                 XFree( p_attr );
2606             }
2607         }
2608
2609         if( p_formats != NULL )
2610         {
2611             XFree( p_formats );
2612         }
2613
2614     }
2615
2616     if( i_num_adaptors > 0 )
2617     {
2618         XvFreeAdaptorInfo( p_adaptor );
2619     }
2620
2621     if( i_selected_port == -1 )
2622     {
2623         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2624         if( i_requested_adaptor == -1 )
2625         {
2626             msg_Warn( p_vout, "no free XVideo port found for format "
2627                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2628         }
2629         else
2630         {
2631             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2632                       "XVideo port for format 0x%.8x (%4.4s)",
2633                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2634         }
2635     }
2636
2637     return i_selected_port;
2638 }
2639
2640 /*****************************************************************************
2641  * XVideoReleasePort: release YUV12 port
2642  *****************************************************************************/
2643 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2644 {
2645     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2646 }
2647 #endif
2648
2649 /*****************************************************************************
2650  * InitDisplay: open and initialize X11 device
2651  *****************************************************************************
2652  * Create a window according to video output given size, and set other
2653  * properties according to the display properties.
2654  *****************************************************************************/
2655 static int InitDisplay( vout_thread_t *p_vout )
2656 {
2657 #ifdef MODULE_NAME_IS_x11
2658     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2659     XVisualInfo *               p_xvisual;            /* visuals information */
2660     XVisualInfo                 xvisual_template;         /* visual template */
2661     int                         i_count, i;                    /* array size */
2662 #endif
2663
2664 #ifdef HAVE_SYS_SHM_H
2665     p_vout->p_sys->i_shm_opcode = 0;
2666
2667     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) )
2668     {
2669 #   ifdef __APPLE__
2670         /* FIXME: As of 2001-03-16, XFree4 for MacOS X does not support Xshm */
2671 #   else
2672         int major, evt, err;
2673
2674         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2675                              &evt, &err )
2676          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2677             p_vout->p_sys->i_shm_opcode = major;
2678
2679         if( p_vout->p_sys->i_shm_opcode )
2680         {
2681             int major, minor;
2682             Bool pixmaps;
2683
2684             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2685                               &pixmaps );
2686             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2687                      "(with%s pixmaps, opcode: %d)",
2688                      major, minor, pixmaps ? "" : "out",
2689                      p_vout->p_sys->i_shm_opcode );
2690         }
2691
2692 #   endif
2693
2694         if( !p_vout->p_sys->i_shm_opcode )
2695         {
2696             msg_Warn( p_vout, "XShm video extension is unavailable" );
2697         }
2698     }
2699     else
2700     {
2701         msg_Dbg( p_vout, "disabling XShm video extension" );
2702     }
2703
2704 #else
2705     msg_Warn( p_vout, "XShm video extension is unavailable" );
2706
2707 #endif
2708
2709 #ifdef MODULE_NAME_IS_xvideo
2710     /* XXX The brightness and contrast values should be read from environment
2711      * XXX variables... */
2712 #if 0
2713     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2714     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2715 #endif
2716 #endif
2717
2718 #ifdef MODULE_NAME_IS_x11
2719     /* Initialize structure */
2720     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2721
2722     /* Get screen depth */
2723     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2724                                                    p_vout->p_sys->i_screen );
2725     switch( p_vout->p_sys->i_screen_depth )
2726     {
2727     case 8:
2728         /*
2729          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2730          */
2731         xvisual_template.screen =   p_vout->p_sys->i_screen;
2732         xvisual_template.class =    DirectColor;
2733         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2734                                     VisualScreenMask | VisualClassMask,
2735                                     &xvisual_template, &i_count );
2736         if( p_xvisual == NULL )
2737         {
2738             msg_Err( p_vout, "no PseudoColor visual available" );
2739             return VLC_EGENERIC;
2740         }
2741         p_vout->p_sys->i_bytes_per_pixel = 1;
2742         p_vout->output.pf_setpalette = SetPalette;
2743         break;
2744     case 15:
2745     case 16:
2746     case 24:
2747     default:
2748         /*
2749          * Screen depth is higher than 8bpp. TrueColor visual is used.
2750          */
2751         xvisual_template.screen =   p_vout->p_sys->i_screen;
2752         xvisual_template.class =    TrueColor;
2753 /* In some cases, we get a truecolor class adaptor that has a different
2754    color depth. So try to get a real true color one first */
2755         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2756
2757         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2758                                     VisualScreenMask | VisualClassMask |
2759                                     VisualDepthMask,
2760                                     &xvisual_template, &i_count );
2761         if( p_xvisual == NULL )
2762         {
2763             msg_Warn( p_vout, "No screen matching the required color depth" );
2764             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2765                                     VisualScreenMask | VisualClassMask,
2766                                     &xvisual_template, &i_count );
2767             if( p_xvisual == NULL )
2768             {
2769
2770                 msg_Err( p_vout, "no TrueColor visual available" );
2771                 return VLC_EGENERIC;
2772             }
2773         }
2774
2775         p_vout->output.i_rmask = p_xvisual->red_mask;
2776         p_vout->output.i_gmask = p_xvisual->green_mask;
2777         p_vout->output.i_bmask = p_xvisual->blue_mask;
2778
2779         /* There is no difference yet between 3 and 4 Bpp. The only way
2780          * to find the actual number of bytes per pixel is to list supported
2781          * pixmap formats. */
2782         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2783         p_vout->p_sys->i_bytes_per_pixel = 0;
2784
2785         for( i = 0; i < i_count; i++ )
2786         {
2787             /* Under XFree4.0, the list contains pixmap formats available
2788              * through all video depths ; so we have to check against current
2789              * depth. */
2790             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2791             {
2792                 if( p_formats[i].bits_per_pixel / 8
2793                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2794                 {
2795                     p_vout->p_sys->i_bytes_per_pixel =
2796                         p_formats[i].bits_per_pixel / 8;
2797                 }
2798             }
2799         }
2800         if( p_formats ) XFree( p_formats );
2801
2802         break;
2803     }
2804     p_vout->p_sys->p_visual = p_xvisual->visual;
2805     XFree( p_xvisual );
2806 #endif
2807
2808     return VLC_SUCCESS;
2809 }
2810
2811 #ifndef MODULE_NAME_IS_glx
2812
2813 #ifdef HAVE_SYS_SHM_H
2814 /*****************************************************************************
2815  * CreateShmImage: create an XImage or XvImage using shared memory extension
2816  *****************************************************************************
2817  * Prepare an XImage or XvImage for display function.
2818  * The order of the operations respects the recommandations of the mit-shm
2819  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2820  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2821  *****************************************************************************/
2822 static IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2823                                     Display* p_display, EXTRA_ARGS_SHM,
2824                                     int i_width, int i_height )
2825 {
2826     IMAGE_TYPE *p_image;
2827     Status result;
2828
2829     /* Create XImage / XvImage */
2830 #ifdef MODULE_NAME_IS_xvideo
2831
2832     /* Make sure the buffer is aligned to multiple of 16 */
2833     i_height = ( i_height + 15 ) >> 4 << 4;
2834     i_width = ( i_width + 15 ) >> 4 << 4;
2835
2836     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2837                                 i_width, i_height, p_shm );
2838 #elif defined(MODULE_NAME_IS_xvmc)
2839     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2840                                 i_width, i_height, p_shm );
2841 #else
2842     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2843                                p_shm, i_width, i_height );
2844 #endif
2845     if( p_image == NULL )
2846     {
2847         msg_Err( p_vout, "image creation failed" );
2848         return NULL;
2849     }
2850
2851     /* Allocate shared memory segment - 0776 set the access permission
2852      * rights (like umask), they are not yet supported by all X servers */
2853     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2854     if( p_shm->shmid < 0 )
2855     {
2856         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2857         IMAGE_FREE( p_image );
2858         return NULL;
2859     }
2860
2861     /* Attach shared memory segment to process (read/write) */
2862     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2863     if(! p_shm->shmaddr )
2864     {
2865         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2866         IMAGE_FREE( p_image );
2867         shmctl( p_shm->shmid, IPC_RMID, 0 );
2868         return NULL;
2869     }
2870
2871     /* Read-only data. We won't be using XShmGetImage */
2872     p_shm->readOnly = True;
2873
2874     /* Attach shared memory segment to X server */
2875     XSynchronize( p_display, True );
2876     i_shm_major = p_vout->p_sys->i_shm_opcode;
2877     result = XShmAttach( p_display, p_shm );
2878     if( result == False || !i_shm_major )
2879     {
2880         msg_Err( p_vout, "cannot attach shared memory to X server" );
2881         IMAGE_FREE( p_image );
2882         shmctl( p_shm->shmid, IPC_RMID, 0 );
2883         shmdt( p_shm->shmaddr );
2884         return NULL;
2885     }
2886     XSynchronize( p_display, False );
2887
2888     /* Send image to X server. This instruction is required, since having
2889      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2890      * and remember NOT to use XFlush ! */
2891     XSync( p_display, False );
2892
2893 #if 0
2894     /* Mark the shm segment to be removed when there are no more
2895      * attachements, so it is automatic on process exit or after shmdt */
2896     shmctl( p_shm->shmid, IPC_RMID, 0 );
2897 #endif
2898
2899     return p_image;
2900 }
2901 #endif
2902
2903 /*****************************************************************************
2904  * CreateImage: create an XImage or XvImage
2905  *****************************************************************************
2906  * Create a simple image used as a buffer.
2907  *****************************************************************************/
2908 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2909                                  Display *p_display, EXTRA_ARGS,
2910                                  int i_width, int i_height )
2911 {
2912     byte_t *    p_data;                           /* image data storage zone */
2913     IMAGE_TYPE *p_image;
2914 #ifdef MODULE_NAME_IS_x11
2915     int         i_quantum;                     /* XImage quantum (see below) */
2916     int         i_bytes_per_line;
2917 #endif
2918
2919     /* Allocate memory for image */
2920 #ifdef MODULE_NAME_IS_xvideo
2921
2922     /* Make sure the buffer is aligned to multiple of 16 */
2923     i_height = ( i_height + 15 ) >> 4 << 4;
2924     i_width = ( i_width + 15 ) >> 4 << 4;
2925
2926     p_data = (byte_t *) malloc( i_width * i_height * i_bits_per_pixel / 8 );
2927 #elif defined(MODULE_NAME_IS_x11)
2928     i_bytes_per_line = i_width * i_bytes_per_pixel;
2929     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2930 #endif
2931     if( !p_data )
2932     {
2933         msg_Err( p_vout, "out of memory" );
2934         return NULL;
2935     }
2936
2937 #ifdef MODULE_NAME_IS_x11
2938     /* Optimize the quantum of a scanline regarding its size - the quantum is
2939        a diviser of the number of bits between the start of two scanlines. */
2940     if( i_bytes_per_line & 0xf )
2941     {
2942         i_quantum = 0x8;
2943     }
2944     else if( i_bytes_per_line & 0x10 )
2945     {
2946         i_quantum = 0x10;
2947     }
2948     else
2949     {
2950         i_quantum = 0x20;
2951     }
2952 #endif
2953
2954     /* Create XImage. p_data will be automatically freed */
2955 #ifdef MODULE_NAME_IS_xvideo
2956     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2957                              (char *)p_data, i_width, i_height );
2958 #elif defined(MODULE_NAME_IS_x11)
2959     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2960                             (char *)p_data, i_width, i_height, i_quantum, 0 );
2961 #endif
2962     if( p_image == NULL )
2963     {
2964         msg_Err( p_vout, "XCreateImage() failed" );
2965         free( p_data );
2966         return NULL;
2967     }
2968
2969     return p_image;
2970 }
2971
2972 #endif
2973 /*****************************************************************************
2974  * X11ErrorHandler: replace error handler so we can intercept some of them
2975  *****************************************************************************/
2976 static int X11ErrorHandler( Display * display, XErrorEvent * event )
2977 {
2978     char txt[1024];
2979
2980     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
2981     fprintf( stderr,
2982              "[????????] x11 video output error: X11 request %u.%u failed "
2983               "with error code %u:\n %s\n",
2984              event->request_code, event->minor_code, event->error_code, txt );
2985
2986     switch( event->request_code )
2987     {
2988     case X_SetInputFocus:
2989         /* Ignore errors on XSetInputFocus()
2990          * (they happen when a window is not yet mapped) */
2991         return 0;
2992     }
2993
2994 #ifdef HAVE_SYS_SHM_H
2995     if( event->request_code == i_shm_major ) /* MIT-SHM */
2996         return i_shm_major = 0;
2997 #endif
2998
2999     XSetErrorHandler(NULL);
3000     return (XSetErrorHandler(X11ErrorHandler))( display, event );
3001 }
3002
3003 #ifdef MODULE_NAME_IS_x11
3004 /*****************************************************************************
3005  * SetPalette: sets an 8 bpp palette
3006  *****************************************************************************
3007  * This function sets the palette given as an argument. It does not return
3008  * anything, but could later send information on which colors it was unable
3009  * to set.
3010  *****************************************************************************/
3011 static void SetPalette( vout_thread_t *p_vout,
3012                         uint16_t *red, uint16_t *green, uint16_t *blue )
3013 {
3014     int i;
3015     XColor p_colors[255];
3016
3017     /* allocate palette */
3018     for( i = 0; i < 255; i++ )
3019     {
3020         /* kludge: colors are indexed reversely because color 255 seems
3021          * to be reserved for black even if we try to set it to white */
3022         p_colors[ i ].pixel = 255 - i;
3023         p_colors[ i ].pad   = 0;
3024         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3025         p_colors[ i ].red   = red[ 255 - i ];
3026         p_colors[ i ].blue  = blue[ 255 - i ];
3027         p_colors[ i ].green = green[ 255 - i ];
3028     }
3029
3030     XStoreColors( p_vout->p_sys->p_display,
3031                   p_vout->p_sys->colormap, p_colors, 255 );
3032 }
3033 #endif
3034
3035 /*****************************************************************************
3036  * Control: control facility for the vout
3037  *****************************************************************************/
3038 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3039 {
3040     vlc_bool_t b_arg;
3041     unsigned int i_width, i_height;
3042     unsigned int *pi_width, *pi_height;
3043     Drawable d = 0;
3044
3045     switch( i_query )
3046     {
3047         case VOUT_GET_SIZE:
3048             if( p_vout->p_sys->p_win->owner_window )
3049                 return vout_ControlWindow( p_vout,
3050                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3051
3052             pi_width  = va_arg( args, unsigned int * );
3053             pi_height = va_arg( args, unsigned int * );
3054
3055             vlc_mutex_lock( &p_vout->p_sys->lock );
3056             *pi_width  = p_vout->p_sys->p_win->i_width;
3057             *pi_height = p_vout->p_sys->p_win->i_height;
3058             vlc_mutex_unlock( &p_vout->p_sys->lock );
3059             return VLC_SUCCESS;
3060
3061         case VOUT_SET_SIZE:
3062             if( p_vout->p_sys->p_win->owner_window )
3063                 return vout_ControlWindow( p_vout,
3064                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3065
3066             vlc_mutex_lock( &p_vout->p_sys->lock );
3067
3068             i_width  = va_arg( args, unsigned int );
3069             i_height = va_arg( args, unsigned int );
3070             if( !i_width ) i_width = p_vout->i_window_width;
3071             if( !i_height ) i_height = p_vout->i_window_height;
3072
3073 #ifdef MODULE_NAME_IS_xvmc
3074             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3075 #endif
3076             /* Update dimensions */
3077             XResizeWindow( p_vout->p_sys->p_display,
3078                            p_vout->p_sys->p_win->base_window,
3079                            i_width, i_height );
3080 #ifdef MODULE_NAME_IS_xvmc
3081             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3082 #endif
3083             vlc_mutex_unlock( &p_vout->p_sys->lock );
3084             return VLC_SUCCESS;
3085
3086        case VOUT_CLOSE:
3087             vlc_mutex_lock( &p_vout->p_sys->lock );
3088             XUnmapWindow( p_vout->p_sys->p_display,
3089                           p_vout->p_sys->original_window.base_window );
3090             vlc_mutex_unlock( &p_vout->p_sys->lock );
3091             /* Fall through */
3092
3093        case VOUT_REPARENT:
3094             vlc_mutex_lock( &p_vout->p_sys->lock );
3095             if( i_query == VOUT_REPARENT ) d = (Drawable)va_arg( args, int );
3096             if( !d )
3097 #ifdef MODULE_NAME_IS_xvmc
3098             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3099 #endif
3100             XReparentWindow( p_vout->p_sys->p_display,
3101                              p_vout->p_sys->original_window.base_window,
3102                              DefaultRootWindow( p_vout->p_sys->p_display ),
3103                              0, 0 );
3104             else
3105             XReparentWindow( p_vout->p_sys->p_display,
3106                              p_vout->p_sys->original_window.base_window,
3107                              d, 0, 0);
3108             XSync( p_vout->p_sys->p_display, False );
3109             p_vout->p_sys->original_window.owner_window = 0;
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 vout_vaControlDefault( p_vout, i_query, args );
3115
3116         case VOUT_SET_STAY_ON_TOP:
3117             if( p_vout->p_sys->p_win->owner_window )
3118                 return vout_ControlWindow( p_vout,
3119                     (void *)p_vout->p_sys->p_win->owner_window, i_query, args);
3120
3121             b_arg = va_arg( args, vlc_bool_t );
3122             vlc_mutex_lock( &p_vout->p_sys->lock );
3123 #ifdef MODULE_NAME_IS_xvmc
3124             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3125 #endif
3126             WindowOnTop( p_vout, b_arg );
3127 #ifdef MODULE_NAME_IS_xvmc
3128             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3129 #endif
3130             vlc_mutex_unlock( &p_vout->p_sys->lock );
3131             return VLC_SUCCESS;
3132
3133        default:
3134             return vout_vaControlDefault( p_vout, i_query, args );
3135     }
3136 }
3137
3138 /*****************************************************************************
3139  * TestNetWMSupport: tests for Extended Window Manager Hints support
3140  *****************************************************************************/
3141 static void TestNetWMSupport( vout_thread_t *p_vout )
3142 {
3143     int i_ret, i_format;
3144     unsigned long i, i_items, i_bytesafter;
3145     Atom net_wm_supported;
3146     union { Atom *p_atom; unsigned char *p_char; } p_args;
3147
3148     p_args.p_atom = NULL;
3149