ea973d8663a051e78887f14b0ccea3e899310188
[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_common.h>
35 #include <vlc_interface.h>
36 #include <vlc_playlist.h>
37 #include <vlc_vout.h>
38 #include <vlc_window.h>
39 #include <vlc_keys.h>
40
41 #include <errno.h>                                                 /* ENOMEM */
42
43 #ifdef HAVE_MACHINE_PARAM_H
44     /* BSD */
45 #   include <machine/param.h>
46 #   include <sys/types.h>                                  /* typedef ushort */
47 #   include <sys/ipc.h>
48 #endif
49
50 #ifndef WIN32
51 #   include <netinet/in.h>                            /* BSD: struct in_addr */
52 #endif
53
54 #ifdef HAVE_XSP
55 #include <X11/extensions/Xsp.h>
56 #endif
57
58 #ifdef HAVE_SYS_SHM_H
59 #   include <sys/shm.h>                                /* shmget(), shmctl() */
60 #endif
61
62 #include <X11/Xlib.h>
63 #include <X11/Xproto.h>
64 #include <X11/Xmd.h>
65 #include <X11/Xutil.h>
66 #include <X11/keysym.h>
67 #include <X11/XF86keysym.h>
68 #ifdef HAVE_SYS_SHM_H
69 #   include <X11/extensions/XShm.h>
70 #endif
71 #ifdef DPMSINFO_IN_DPMS_H
72 #   include <X11/extensions/dpms.h>
73 #endif
74
75 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
76 #   include <X11/extensions/Xv.h>
77 #   include <X11/extensions/Xvlib.h>
78 #endif
79
80 #ifdef MODULE_NAME_IS_glx
81 #   include <GL/glx.h>
82 #endif
83
84 #ifdef HAVE_XINERAMA
85 #   include <X11/extensions/Xinerama.h>
86 #endif
87
88 #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
89 #   include <X11/extensions/xf86vmode.h>
90 #endif
91
92 #ifdef MODULE_NAME_IS_xvmc
93 #   include <X11/extensions/vldXvMC.h>
94 #   include "../../codec/xvmc/accel_xvmc.h"
95 #endif
96
97 #include "xcommon.h"
98
99 /*****************************************************************************
100  * Local prototypes
101  *****************************************************************************/
102 int  Activate   ( vlc_object_t * );
103 void Deactivate ( vlc_object_t * );
104
105 static int  InitVideo      ( vout_thread_t * );
106 static void EndVideo       ( vout_thread_t * );
107 static void DisplayVideo   ( vout_thread_t *, picture_t * );
108 static int  ManageVideo    ( vout_thread_t * );
109 static int  Control        ( vout_thread_t *, int, va_list );
110
111 static int  InitDisplay    ( vout_thread_t * );
112
113 static int  CreateWindow   ( vout_thread_t *, x11_window_t * );
114 static void DestroyWindow  ( vout_thread_t *, x11_window_t * );
115
116 static int  NewPicture     ( vout_thread_t *, picture_t * );
117 static void FreePicture    ( vout_thread_t *, picture_t * );
118
119 #ifdef HAVE_SYS_SHM_H
120 static int i_shm_major = 0;
121 #endif
122
123 static void ToggleFullScreen      ( vout_thread_t * );
124
125 static void EnableXScreenSaver    ( vout_thread_t * );
126 static void DisableXScreenSaver   ( vout_thread_t * );
127
128 static void CreateCursor   ( vout_thread_t * );
129 static void DestroyCursor  ( vout_thread_t * );
130 static void ToggleCursor   ( vout_thread_t * );
131
132 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
133 static int  XVideoGetPort    ( vout_thread_t *, vlc_fourcc_t, picture_heap_t * );
134 static void XVideoReleasePort( vout_thread_t *, int );
135 #endif
136
137 #ifdef MODULE_NAME_IS_x11
138 static void SetPalette     ( vout_thread_t *,
139                              uint16_t *, uint16_t *, uint16_t * );
140 #endif
141
142 #ifdef MODULE_NAME_IS_xvmc
143 static void RenderVideo    ( vout_thread_t *, picture_t * );
144 static int  xvmc_check_yv12( Display *display, XvPortID port );
145 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout );
146 #endif
147
148 static void TestNetWMSupport( vout_thread_t * );
149 static int ConvertKey( int );
150
151 static int WindowOnTop( vout_thread_t *, bool );
152
153 static int X11ErrorHandler( Display *, XErrorEvent * );
154
155 #ifdef HAVE_XSP
156 static void EnablePixelDoubling( vout_thread_t *p_vout );
157 static void DisablePixelDoubling( vout_thread_t *p_vout );
158 #endif
159
160 #ifdef HAVE_OSSO
161 static const int i_backlight_on_interval = 300;
162 #endif
163
164
165
166 /*****************************************************************************
167  * Activate: allocate X11 video thread output method
168  *****************************************************************************
169  * This function allocate and initialize a X11 vout method. It uses some of the
170  * vout properties to choose the window size, and change them according to the
171  * actual properties of the display.
172  *****************************************************************************/
173 int Activate ( vlc_object_t *p_this )
174 {
175     vout_thread_t *p_vout = (vout_thread_t *)p_this;
176     char *        psz_display;
177     vlc_value_t   val;
178 #if defined(MODULE_NAME_IS_xvmc)
179     char *psz_value;
180 #endif
181 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
182     char *       psz_chroma;
183     vlc_fourcc_t i_chroma = 0;
184     bool   b_chroma = 0;
185 #endif
186
187     p_vout->pf_init = InitVideo;
188     p_vout->pf_end = EndVideo;
189     p_vout->pf_manage = ManageVideo;
190 #ifdef MODULE_NAME_IS_xvmc
191     p_vout->pf_render = RenderVideo;
192 #else
193     p_vout->pf_render = NULL;
194 #endif
195     p_vout->pf_display = DisplayVideo;
196     p_vout->pf_control = Control;
197
198     /* Allocate structure */
199     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
200     if( p_vout->p_sys == NULL )
201         return VLC_ENOMEM;
202
203     /* key and mouse event handling */
204     p_vout->p_sys->i_vout_event = var_CreateGetInteger( p_vout, "vout-event" );
205
206     /* Open display, using the "display" config variable or the DISPLAY
207      * environment variable */
208     psz_display = config_GetPsz( p_vout, MODULE_STRING "-display" );
209
210     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
211
212     if( p_vout->p_sys->p_display == NULL )                         /* error */
213     {
214         msg_Err( p_vout, "cannot open display %s",
215                          XDisplayName( psz_display ) );
216         free( p_vout->p_sys );
217         free( psz_display );
218         return VLC_EGENERIC;
219     }
220     free( psz_display );
221
222     /* Replace error handler so we can intercept some non-fatal errors */
223     XSetErrorHandler( X11ErrorHandler );
224
225     /* Get a screen ID matching the XOpenDisplay return value */
226     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
227
228 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
229     psz_chroma = config_GetPsz( p_vout, "xvideo-chroma" );
230     if( psz_chroma )
231     {
232         if( strlen( psz_chroma ) >= 4 )
233         {
234             /* Do not use direct assignment because we are not sure of the
235              * alignment. */
236             memcpy(&i_chroma, psz_chroma, 4);
237             b_chroma = 1;
238         }
239
240         free( psz_chroma );
241     }
242
243     if( b_chroma )
244     {
245         msg_Dbg( p_vout, "forcing chroma 0x%.8x (%4.4s)",
246                  i_chroma, (char*)&i_chroma );
247     }
248     else
249     {
250         i_chroma = p_vout->render.i_chroma;
251     }
252
253     /* Check that we have access to an XVideo port providing this chroma */
254     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout, VLC2X11_FOURCC(i_chroma),
255                                              &p_vout->output );
256     if( p_vout->p_sys->i_xvport < 0 )
257     {
258         /* If a specific chroma format was requested, then we don't try to
259          * be cleverer than the user. He knew pretty well what he wanted. */
260         if( b_chroma )
261         {
262             XCloseDisplay( p_vout->p_sys->p_display );
263             free( p_vout->p_sys );
264             return VLC_EGENERIC;
265         }
266
267         /* It failed, but it's not completely lost ! We try to open an
268          * XVideo port for an YUY2 picture. We'll need to do an YUV
269          * conversion, but at least it has got scaling. */
270         p_vout->p_sys->i_xvport =
271                         XVideoGetPort( p_vout, X11_FOURCC('Y','U','Y','2'),
272                                                &p_vout->output );
273         if( p_vout->p_sys->i_xvport < 0 )
274         {
275             /* It failed, but it's not completely lost ! We try to open an
276              * XVideo port for a simple 16bpp RGB picture. We'll need to do
277              * an YUV conversion, but at least it has got scaling. */
278             p_vout->p_sys->i_xvport =
279                             XVideoGetPort( p_vout, X11_FOURCC('R','V','1','6'),
280                                                    &p_vout->output );
281             if( p_vout->p_sys->i_xvport < 0 )
282             {
283                 XCloseDisplay( p_vout->p_sys->p_display );
284                 free( p_vout->p_sys );
285                 return VLC_EGENERIC;
286             }
287         }
288     }
289     p_vout->output.i_chroma = X112VLC_FOURCC(p_vout->output.i_chroma);
290 #elif defined(MODULE_NAME_IS_glx)
291     {
292         int i_opcode, i_evt, i_err = 0;
293         int i_maj, i_min = 0;
294
295         /* Check for GLX extension */
296         if( !XQueryExtension( p_vout->p_sys->p_display, "GLX",
297                               &i_opcode, &i_evt, &i_err ) )
298         {
299             msg_Err( p_this, "GLX extension not supported" );
300             XCloseDisplay( p_vout->p_sys->p_display );
301             free( p_vout->p_sys );
302             return VLC_EGENERIC;
303         }
304         if( !glXQueryExtension( p_vout->p_sys->p_display, &i_err, &i_evt ) )
305         {
306             msg_Err( p_this, "glXQueryExtension failed" );
307             XCloseDisplay( p_vout->p_sys->p_display );
308             free( p_vout->p_sys );
309             return VLC_EGENERIC;
310         }
311
312         /* Check GLX version */
313         if (!glXQueryVersion( p_vout->p_sys->p_display, &i_maj, &i_min ) )
314         {
315             msg_Err( p_this, "glXQueryVersion failed" );
316             XCloseDisplay( p_vout->p_sys->p_display );
317             free( p_vout->p_sys );
318             return VLC_EGENERIC;
319         }
320         if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
321         {
322             p_vout->p_sys->b_glx13 = false;
323             msg_Dbg( p_this, "using GLX 1.2 API" );
324         }
325         else
326         {
327             p_vout->p_sys->b_glx13 = true;
328             msg_Dbg( p_this, "using GLX 1.3 API" );
329         }
330     }
331 #endif
332
333     /* Create blank cursor (for mouse cursor autohiding) */
334     p_vout->p_sys->i_time_mouse_last_moved = mdate();
335     p_vout->p_sys->i_mouse_hide_timeout =
336         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
337     p_vout->p_sys->b_mouse_pointer_visible = 1;
338     CreateCursor( p_vout );
339
340     /* Set main window's size */
341     p_vout->p_sys->original_window.i_width = p_vout->i_window_width;
342     p_vout->p_sys->original_window.i_height = p_vout->i_window_height;
343     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
344     /* Spawn base window - this window will include the video output window,
345      * but also command buttons, subtitles and other indicators */
346     if( CreateWindow( p_vout, &p_vout->p_sys->original_window ) )
347     {
348         msg_Err( p_vout, "cannot create X11 window" );
349         DestroyCursor( p_vout );
350         XCloseDisplay( p_vout->p_sys->p_display );
351         free( p_vout->p_sys );
352         return VLC_EGENERIC;
353     }
354
355     /* Open and initialize device. */
356     if( InitDisplay( p_vout ) )
357     {
358         msg_Err( p_vout, "cannot initialize X11 display" );
359         DestroyCursor( p_vout );
360         DestroyWindow( p_vout, &p_vout->p_sys->original_window );
361         XCloseDisplay( p_vout->p_sys->p_display );
362         free( p_vout->p_sys );
363         return VLC_EGENERIC;
364     }
365
366     /* Disable screen saver */
367     DisableXScreenSaver( p_vout );
368
369     /* Misc init */
370     p_vout->p_sys->b_altfullscreen = 0;
371     p_vout->p_sys->i_time_button_last_pressed = 0;
372
373     TestNetWMSupport( p_vout );
374
375 #ifdef MODULE_NAME_IS_xvmc
376     p_vout->p_sys->p_last_subtitle_save = NULL;
377     psz_value = config_GetPsz( p_vout, "xvmc-deinterlace-mode" );
378
379     /* Look what method was requested */
380     //var_Create( p_vout, "xvmc-deinterlace-mode", VLC_VAR_STRING );
381     //var_Change( p_vout, "xvmc-deinterlace-mode", VLC_VAR_INHERITVALUE, &val, NULL );
382     if( psz_value )
383     {
384         if( (strcmp(psz_value, "bob") == 0) ||
385             (strcmp(psz_value, "blend") == 0) )
386            p_vout->p_sys->xvmc_deinterlace_method = 2;
387         else if (strcmp(psz_value, "discard") == 0)
388            p_vout->p_sys->xvmc_deinterlace_method = 1;
389         else
390            p_vout->p_sys->xvmc_deinterlace_method = 0;
391         free(psz_value );
392     }
393     else
394         p_vout->p_sys->xvmc_deinterlace_method = 0;
395
396     /* Look what method was requested */
397     //var_Create( p_vout, "xvmc-crop-style", VLC_VAR_STRING );
398     //var_Change( p_vout, "xvmc-crop-style", VLC_VAR_INHERITVALUE, &val, NULL );
399     psz_value = config_GetPsz( p_vout, "xvmc-crop-style" );
400
401     if( psz_value )
402     {
403         if( strncmp( psz_value, "eq", 2 ) == 0 )
404            p_vout->p_sys->xvmc_crop_style = 1;
405         else if( strncmp( psz_value, "4-16", 4 ) == 0)
406            p_vout->p_sys->xvmc_crop_style = 2;
407         else if( strncmp( psz_value, "16-4", 4 ) == 0)
408            p_vout->p_sys->xvmc_crop_style = 3;
409         else
410            p_vout->p_sys->xvmc_crop_style = 0;
411         free( psz_value );
412     }
413     else
414         p_vout->p_sys->xvmc_crop_style = 0;
415
416     msg_Dbg(p_vout, "Deinterlace = %d", p_vout->p_sys->xvmc_deinterlace_method);
417     msg_Dbg(p_vout, "Crop = %d", p_vout->p_sys->xvmc_crop_style);
418
419     if( checkXvMCCap( p_vout ) == VLC_EGENERIC )
420     {
421         msg_Err( p_vout, "no XVMC capability found" );
422         Deactivate( p_this );
423         return VLC_EGENERIC;
424     }
425     subpicture_t sub_pic;
426     sub_pic.p_sys = NULL;
427     p_vout->p_sys->last_date = 0;
428 #endif
429
430 #ifdef HAVE_XSP
431     p_vout->p_sys->i_hw_scale = 1;
432 #endif
433
434 #ifdef HAVE_OSSO
435     p_vout->p_sys->i_backlight_on_counter = i_backlight_on_interval;
436     p_vout->p_sys->p_octx = osso_initialize( "vlc", VERSION, 0, NULL );
437     if ( p_vout->p_sys->p_octx == NULL ) {
438         msg_Err( p_vout, "Could not get osso context" );
439     } else {
440         msg_Dbg( p_vout, "Initialized osso context" );
441     }
442 #endif
443
444     /* Variable to indicate if the window should be on top of others */
445     /* Trigger a callback right now */
446     var_Get( p_vout, "video-on-top", &val );
447     var_Set( p_vout, "video-on-top", val );
448
449     return VLC_SUCCESS;
450 }
451
452 /*****************************************************************************
453  * Deactivate: destroy X11 video thread output method
454  *****************************************************************************
455  * Terminate an output method created by Open
456  *****************************************************************************/
457 void Deactivate ( vlc_object_t *p_this )
458 {
459     vout_thread_t *p_vout = (vout_thread_t *)p_this;
460
461     /* If the fullscreen window is still open, close it */
462     if( p_vout->b_fullscreen )
463     {
464         ToggleFullScreen( p_vout );
465     }
466
467     /* Restore cursor if it was blanked */
468     if( !p_vout->p_sys->b_mouse_pointer_visible )
469     {
470         ToggleCursor( p_vout );
471     }
472
473 #ifdef MODULE_NAME_IS_x11
474     /* Destroy colormap */
475     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
476     {
477         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
478     }
479 #elif defined(MODULE_NAME_IS_xvideo)
480     XVideoReleasePort( p_vout, p_vout->p_sys->i_xvport );
481 #elif defined(MODULE_NAME_IS_xvmc)
482     if( p_vout->p_sys->xvmc_cap )
483     {
484         xvmc_context_writer_lock( &p_vout->p_sys->xvmc_lock );
485         xxmc_dispose_context( p_vout );
486         if( p_vout->p_sys->old_subpic )
487         {
488             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->old_subpic );
489             p_vout->p_sys->old_subpic = NULL;
490         }
491         if( p_vout->p_sys->new_subpic )
492         {
493             xxmc_xvmc_free_subpicture( p_vout, p_vout->p_sys->new_subpic );
494             p_vout->p_sys->new_subpic = NULL;
495         }
496         free( p_vout->p_sys->xvmc_cap );
497         xvmc_context_writer_unlock( &p_vout->p_sys->xvmc_lock );
498     }
499 #endif
500
501 #ifdef HAVE_XSP
502     DisablePixelDoubling(p_vout);
503 #endif
504
505     DestroyCursor( p_vout );
506     EnableXScreenSaver( p_vout );
507     DestroyWindow( p_vout, &p_vout->p_sys->original_window );
508     XCloseDisplay( p_vout->p_sys->p_display );
509
510     /* Destroy structure */
511 #ifdef MODULE_NAME_IS_xvmc
512     free_context_lock( &p_vout->p_sys->xvmc_lock );
513 #endif
514
515 #ifdef HAVE_OSSO
516     if ( p_vout->p_sys->p_octx != NULL ) {
517         msg_Dbg( p_vout, "Deinitializing osso context" );
518         osso_deinitialize( p_vout->p_sys->p_octx );
519     }
520 #endif
521
522     free( p_vout->p_sys );
523 }
524
525 #ifdef MODULE_NAME_IS_xvmc
526
527 #define XINE_IMGFMT_YV12 (('2'<<24)|('1'<<16)|('V'<<8)|'Y')
528
529 /* called xlocked */
530 static int xvmc_check_yv12( Display *display, XvPortID port )
531 {
532     XvImageFormatValues *formatValues;
533     int                  formats;
534     int                  i;
535
536     formatValues = XvListImageFormats( display, port, &formats );
537
538     for( i = 0; i < formats; i++ )
539     {
540         if( ( formatValues[i].id == XINE_IMGFMT_YV12 ) &&
541             ( !( strncmp( formatValues[i].guid, "YV12", 4 ) ) ) )
542         {
543             XFree (formatValues);
544             return 0;
545         }
546     }
547
548     XFree (formatValues);
549     return 1;
550 }
551
552 static void xvmc_sync_surface( vout_thread_t *p_vout, XvMCSurface * srf )
553 {
554     XvMCSyncSurface( p_vout->p_sys->p_display, srf );
555 }
556
557 static void xvmc_update_XV_DOUBLE_BUFFER( vout_thread_t *p_vout )
558 {
559     Atom         atom;
560     int          xv_double_buffer;
561
562     xv_double_buffer = 1;
563
564     XLockDisplay( p_vout->p_sys->p_display );
565     atom = XInternAtom( p_vout->p_sys->p_display, "XV_DOUBLE_BUFFER", False );
566 #if 0
567     XvSetPortAttribute (p_vout->p_sys->p_display, p_vout->p_sys->i_xvport, atom, xv_double_buffer);
568 #endif
569     XvMCSetAttribute( p_vout->p_sys->p_display, &p_vout->p_sys->context, atom, xv_double_buffer );
570     XUnlockDisplay( p_vout->p_sys->p_display );
571
572     //xprintf(this->xine, XINE_VERBOSITY_DEBUG,
573     //    "video_out_xxmc: double buffering mode = %d\n", xv_double_buffer);
574 }
575
576 static void RenderVideo( vout_thread_t *p_vout, picture_t *p_pic )
577 {
578     vlc_xxmc_t *xxmc = NULL;
579
580     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
581
582     xxmc = &p_pic->p_sys->xxmc_data;
583     if( (!xxmc->decoded ||
584         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf )) )
585     {
586         xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
587         return;
588     }
589
590 #if 0
591     vlc_mutex_lock( &p_vout->lastsubtitle_lock );
592     if (p_vout->p_sys->p_last_subtitle != NULL)
593     {
594         if( p_vout->p_sys->p_last_subtitle_save != p_vout->p_sys->p_last_subtitle )
595         {
596             p_vout->p_sys->new_subpic =
597                 xxmc_xvmc_alloc_subpicture( p_vout, &p_vout->p_sys->context,
598                     p_vout->p_sys->xvmc_width,
599                     p_vout->p_sys->xvmc_height,
600                     p_vout->p_sys->xvmc_cap[p_vout->p_sys->xvmc_cur_cap].subPicType.id );
601
602             if (p_vout->p_sys->new_subpic)
603             {
604                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
605                 XvMCClearSubpicture( p_vout->p_sys->p_display,
606                         p_vout->p_sys->new_subpic,
607                         0,
608                         0,
609                         p_vout->p_sys->xvmc_width,
610                         p_vout->p_sys->xvmc_height,
611                         0x00 );
612                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
613                 clear_xx44_palette( &p_vout->p_sys->palette );
614
615                 if( sub_pic.p_sys == NULL )
616                 {
617                     sub_pic.p_sys = malloc( sizeof( picture_sys_t ) );
618                     if( sub_pic.p_sys != NULL )
619                     {
620                         sub_pic.p_sys->p_vout = p_vout;
621                         sub_pic.p_sys->xvmc_surf = NULL;
622                         sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
623                     }
624                 }
625                 sub_pic.p_sys->p_image = p_vout->p_sys->subImage;
626                 sub_pic.p->p_pixels = sub_pic.p_sys->p_image->data;
627                 sub_pic.p->i_pitch = p_vout->output.i_width;
628
629                 memset( p_vout->p_sys->subImage->data, 0,
630                         (p_vout->p_sys->subImage->width * p_vout->p_sys->subImage->height) );
631
632                 if (p_vout->p_last_subtitle != NULL)
633                 {
634                     blend_xx44( p_vout->p_sys->subImage->data,
635                                 p_vout->p_last_subtitle,
636                                 p_vout->p_sys->subImage->width,
637                                 p_vout->p_sys->subImage->height,
638                                 p_vout->p_sys->subImage->width,
639                                 &p_vout->p_sys->palette,
640                                 (p_vout->p_sys->subImage->id == FOURCC_IA44) );
641                 }
642
643                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
644                 XvMCCompositeSubpicture( p_vout->p_sys->p_display,
645                                          p_vout->p_sys->new_subpic,
646                                          p_vout->p_sys->subImage,
647                                          0, /* overlay->x */
648                                          0, /* overlay->y */
649                                          p_vout->output.i_width, /* overlay->width, */
650                                          p_vout->output.i_height, /* overlay->height */
651                                          0, /* overlay->x */
652                                          0 ); /*overlay->y */
653                 XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
654                 if (p_vout->p_sys->old_subpic)
655                 {
656                     xxmc_xvmc_free_subpicture( p_vout,
657                                                p_vout->p_sys->old_subpic);
658                     p_vout->p_sys->old_subpic = NULL;
659                 }
660                 if (p_vout->p_sys->new_subpic)
661                 {
662                     p_vout->p_sys->old_subpic = p_vout->p_sys->new_subpic;
663                     p_vout->p_sys->new_subpic = NULL;
664                     xx44_to_xvmc_palette( &p_vout->p_sys->palette,
665                             p_vout->p_sys->xvmc_palette,
666                             0,
667                             p_vout->p_sys->old_subpic->num_palette_entries,
668                             p_vout->p_sys->old_subpic->entry_bytes,
669                             p_vout->p_sys->old_subpic->component_order );
670                     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
671                     XvMCSetSubpicturePalette( p_vout->p_sys->p_display,
672                                               p_vout->p_sys->old_subpic,
673                                               p_vout->p_sys->xvmc_palette );
674                     XvMCFlushSubpicture( p_vout->p_sys->p_display,
675                                          p_vout->p_sys->old_subpic);
676                     XvMCSyncSubpicture( p_vout->p_sys->p_display,
677                                         p_vout->p_sys->old_subpic );
678                     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
679                 }
680
681                 XVMCLOCKDISPLAY( p_vout->p_sys->p_display);
682                 if (p_vout->p_sys->xvmc_backend_subpic )
683                 {
684                     XvMCBlendSubpicture( p_vout->p_sys->p_display,
685                                          p_pic->p_sys->xvmc_surf,
686                                          p_vout->p_sys->old_subpic,
687                                          0,
688                                          0,
689                                          p_vout->p_sys->xvmc_width,
690                                          p_vout->p_sys->xvmc_height,
691                                          0,
692                                          0,
693                                          p_vout->p_sys->xvmc_width,
694                                          p_vout->p_sys->xvmc_height );
695                 }
696                 else
697                 {
698                     XvMCBlendSubpicture2( p_vout->p_sys->p_display,
699                                           p_pic->p_sys->xvmc_surf,
700                                           p_pic->p_sys->xvmc_surf,
701                                           p_vout->p_sys->old_subpic,
702                                           0,
703                                           0,
704                                           p_vout->p_sys->xvmc_width,
705                                           p_vout->p_sys->xvmc_height,
706                                           0,
707                                           0,
708                                           p_vout->p_sys->xvmc_width,
709                                           p_vout->p_sys->xvmc_height );
710                }
711                XVMCUNLOCKDISPLAY(p_vout->p_sys->p_display);
712             }
713         }
714         else
715         {
716             XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
717             if( p_vout->p_sys->xvmc_backend_subpic )
718             {
719                 XvMCBlendSubpicture( p_vout->p_sys->p_display,
720                                      p_pic->p_sys->xvmc_surf,
721                                      p_vout->p_sys->old_subpic,
722                                      0, 0,
723                                      p_vout->p_sys->xvmc_width,
724                                      p_vout->p_sys->xvmc_height,
725                                      0, 0,
726                                      p_vout->p_sys->xvmc_width,
727                                      p_vout->p_sys->xvmc_height );
728             }
729             else
730             {
731                 XvMCBlendSubpicture2( p_vout->p_sys->p_display,
732                                       p_pic->p_sys->xvmc_surf,
733                                       p_pic->p_sys->xvmc_surf,
734                                       p_vout->p_sys->old_subpic,
735                                       0, 0,
736                                       p_vout->p_sys->xvmc_width,
737                                       p_vout->p_sys->xvmc_height,
738                                       0, 0,
739                                       p_vout->p_sys->xvmc_width,
740                                       p_vout->p_sys->xvmc_height );
741             }
742             XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
743         }
744     }
745     p_vout->p_sys->p_last_subtitle_save = p_vout->p_last_subtitle;
746
747     vlc_mutex_unlock( &p_vout->lastsubtitle_lock );
748 #endif
749     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
750 }
751 #endif
752
753 #ifdef HAVE_XSP
754 /*****************************************************************************
755  * EnablePixelDoubling: Enables pixel doubling
756  *****************************************************************************
757  * Checks if the double size image fits in current window, and enables pixel
758  * doubling accordingly. The i_hw_scale is the integer scaling factor.
759  *****************************************************************************/
760 static void EnablePixelDoubling( vout_thread_t *p_vout )
761 {
762     int i_hor_scale = ( p_vout->p_sys->p_win->i_width ) / p_vout->render.i_width;
763     int i_vert_scale =  ( p_vout->p_sys->p_win->i_height ) / p_vout->render.i_height;
764     if ( ( i_hor_scale > 1 ) && ( i_vert_scale > 1 ) ) {
765         p_vout->p_sys->i_hw_scale = 2;
766         msg_Dbg( p_vout, "Enabling pixel doubling, scaling factor %d", p_vout->p_sys->i_hw_scale );
767         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 1 );
768     }
769 }
770
771 /*****************************************************************************
772  * DisablePixelDoubling: Disables pixel doubling
773  *****************************************************************************
774  * The scaling factor i_hw_scale is reset to the no-scaling value 1.
775  *****************************************************************************/
776 static void DisablePixelDoubling( vout_thread_t *p_vout )
777 {
778     if ( p_vout->p_sys->i_hw_scale > 1 ) {
779         msg_Dbg( p_vout, "Disabling pixel doubling" );
780         XSPSetPixelDoubling( p_vout->p_sys->p_display, 0, 0 );
781         p_vout->p_sys->i_hw_scale = 1;
782     }
783 }
784 #endif
785
786
787
788 /*****************************************************************************
789  * InitVideo: initialize X11 video thread output method
790  *****************************************************************************
791  * This function create the XImages needed by the output thread. It is called
792  * at the beginning of the thread, but also each time the window is resized.
793  *****************************************************************************/
794 static int InitVideo( vout_thread_t *p_vout )
795 {
796     unsigned int i_index = 0;
797     picture_t *p_pic;
798
799     I_OUTPUTPICTURES = 0;
800
801 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
802     /* Initialize the output structure; we already found an XVideo port,
803      * and the corresponding chroma we will be using. Since we can
804      * arbitrary scale, stick to the coordinates and aspect. */
805     p_vout->output.i_width  = p_vout->render.i_width;
806     p_vout->output.i_height = p_vout->render.i_height;
807     p_vout->output.i_aspect = p_vout->render.i_aspect;
808
809     p_vout->fmt_out = p_vout->fmt_in;
810     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
811
812 #if XvVersion < 2 || ( XvVersion == 2 && XvRevision < 2 )
813     switch( p_vout->output.i_chroma )
814     {
815         case VLC_FOURCC('R','V','1','6'):
816 #if defined( WORDS_BIGENDIAN )
817             p_vout->output.i_rmask = 0xf800;
818             p_vout->output.i_gmask = 0x07e0;
819             p_vout->output.i_bmask = 0x001f;
820 #else
821             p_vout->output.i_rmask = 0x001f;
822             p_vout->output.i_gmask = 0x07e0;
823             p_vout->output.i_bmask = 0xf800;
824 #endif
825             break;
826         case VLC_FOURCC('R','V','1','5'):
827 #if defined( WORDS_BIGENDIAN )
828             p_vout->output.i_rmask = 0x7c00;
829             p_vout->output.i_gmask = 0x03e0;
830             p_vout->output.i_bmask = 0x001f;
831 #else
832             p_vout->output.i_rmask = 0x001f;
833             p_vout->output.i_gmask = 0x03e0;
834             p_vout->output.i_bmask = 0x7c00;
835 #endif
836             break;
837     }
838 #endif
839
840 #elif defined(MODULE_NAME_IS_x11)
841     /* Initialize the output structure: RGB with square pixels, whatever
842      * the input format is, since it's the only format we know */
843     switch( p_vout->p_sys->i_screen_depth )
844     {
845         case 8: /* FIXME: set the palette */
846             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2'); break;
847         case 15:
848             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5'); break;
849         case 16:
850             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6'); break;
851         case 24:
852         case 32:
853             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2'); break;
854         default:
855             msg_Err( p_vout, "unknown screen depth %i",
856                      p_vout->p_sys->i_screen_depth );
857             return VLC_SUCCESS;
858     }
859
860 #ifdef HAVE_XSP
861     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width  / p_vout->p_sys->i_hw_scale,
862                        p_vout->p_sys->p_win->i_height  / p_vout->p_sys->i_hw_scale,
863                        &i_index, &i_index,
864                        &p_vout->fmt_out.i_visible_width,
865                        &p_vout->fmt_out.i_visible_height );
866 #else
867     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
868                        p_vout->p_sys->p_win->i_height,
869                        &i_index, &i_index,
870                        &p_vout->fmt_out.i_visible_width,
871                        &p_vout->fmt_out.i_visible_height );
872 #endif
873
874     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
875
876     p_vout->output.i_width = p_vout->fmt_out.i_width =
877         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_width /
878         p_vout->fmt_in.i_visible_width;
879     p_vout->output.i_height = p_vout->fmt_out.i_height =
880         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_height /
881         p_vout->fmt_in.i_visible_height;
882     p_vout->fmt_out.i_x_offset =
883         p_vout->fmt_out.i_visible_width * p_vout->fmt_in.i_x_offset /
884         p_vout->fmt_in.i_visible_width;
885     p_vout->fmt_out.i_y_offset =
886         p_vout->fmt_out.i_visible_height * p_vout->fmt_in.i_y_offset /
887         p_vout->fmt_in.i_visible_height;
888
889     p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_sar_den = 1;
890     p_vout->output.i_aspect = p_vout->fmt_out.i_aspect =
891         p_vout->fmt_out.i_width * VOUT_ASPECT_FACTOR /p_vout->fmt_out.i_height;
892
893     msg_Dbg( p_vout, "x11 image size %ix%i (%i,%i,%ix%i)",
894              p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
895              p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
896              p_vout->fmt_out.i_visible_width,
897              p_vout->fmt_out.i_visible_height );
898 #endif
899
900     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
901     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
902     {
903         p_pic = NULL;
904
905         /* Find an empty picture slot */
906         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
907         {
908           if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
909             {
910                 p_pic = p_vout->p_picture + i_index;
911                 break;
912             }
913         }
914
915         /* Allocate the picture */
916         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
917         {
918             break;
919         }
920
921         p_pic->i_status = DESTROYED_PICTURE;
922         p_pic->i_type   = DIRECT_PICTURE;
923
924         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
925
926         I_OUTPUTPICTURES++;
927     }
928
929     if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
930     {
931         /* U and V inverted compared to I420
932          * Fixme: this should be handled by the vout core */
933         p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
934         p_vout->fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
935     }
936
937     return VLC_SUCCESS;
938 }
939
940 /*****************************************************************************
941  * DisplayVideo: displays previously rendered output
942  *****************************************************************************
943  * This function sends the currently rendered image to X11 server.
944  * (The Xv extension takes care of "double-buffering".)
945  *****************************************************************************/
946 static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
947 {
948     unsigned int i_width, i_height, i_x, i_y;
949
950     vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
951                        p_vout->p_sys->p_win->i_height,
952                        &i_x, &i_y, &i_width, &i_height );
953
954 #ifdef MODULE_NAME_IS_xvmc
955     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
956
957     vlc_xxmc_t *xxmc = &p_pic->p_sys->xxmc_data;
958     if( !xxmc->decoded ||
959         !xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) )
960     {
961       msg_Dbg( p_vout, "DisplayVideo decoded=%d\tsurfacevalid=%d",
962                xxmc->decoded,
963                xxmc_xvmc_surface_valid( p_vout, p_pic->p_sys->xvmc_surf ) );
964       xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
965       return;
966     }
967
968     int src_width = p_vout->output.i_width;
969     int src_height = p_vout->output.i_height;
970     int src_x, src_y;
971
972     if( p_vout->p_sys->xvmc_crop_style == 1 )
973     {
974         src_x = 20;
975         src_y = 20;
976         src_width -= 40;
977         src_height -= 40;
978     }
979     else if( p_vout->p_sys->xvmc_crop_style == 2 )
980     {
981         src_x = 20;
982         src_y = 40;
983         src_width -= 40;
984         src_height -= 80;
985     }
986     else if( p_vout->p_sys->xvmc_crop_style == 3 )
987     {
988         src_x = 40;
989         src_y = 20;
990         src_width -= 80;
991         src_height -= 40;
992     }
993     else
994     {
995         src_x = 0;
996         src_y = 0;
997     }
998
999     int first_field;
1000     if( p_vout->p_sys->xvmc_deinterlace_method > 0 )
1001     {   /* BOB DEINTERLACE */
1002         if( (p_pic->p_sys->nb_display == 0) ||
1003             (p_vout->p_sys->xvmc_deinterlace_method == 1) )
1004         {
1005             first_field = (p_pic->b_top_field_first) ?
1006                                 XVMC_BOTTOM_FIELD : XVMC_TOP_FIELD;
1007         }
1008         else
1009         {
1010             first_field = (p_pic->b_top_field_first) ?
1011                                 XVMC_TOP_FIELD : XVMC_BOTTOM_FIELD;
1012         }
1013     }
1014     else
1015     {
1016         first_field = XVMC_FRAME_PICTURE;
1017      }
1018
1019     XVMCLOCKDISPLAY( p_vout->p_sys->p_display );
1020     XvMCFlushSurface( p_vout->p_sys->p_display, p_pic->p_sys->xvmc_surf );
1021     /* XvMCSyncSurface(p_vout->p_sys->p_display, p_picture->p_sys->xvmc_surf); */
1022     XvMCPutSurface( p_vout->p_sys->p_display,
1023                     p_pic->p_sys->xvmc_surf,
1024                     p_vout->p_sys->p_win->video_window,
1025                     src_x,
1026                     src_y,
1027                     src_width,
1028                     src_height,
1029                     0 /*dest_x*/,
1030                     0 /*dest_y*/,
1031                     i_width,
1032                     i_height,
1033                     first_field);
1034
1035     XVMCUNLOCKDISPLAY( p_vout->p_sys->p_display );
1036     if( p_vout->p_sys->xvmc_deinterlace_method == 2 )
1037     {   /* BOB DEINTERLACE */
1038         if( p_pic->p_sys->nb_display == 0 )/* && ((t2-t1) < 15000)) */
1039         {
1040             mtime_t last_date = p_pic->date;
1041
1042             vlc_mutex_lock( &p_vout->picture_lock );
1043             if( !p_vout->p_sys->last_date )
1044             {
1045                 p_pic->date += 20000;
1046             }
1047             else
1048             {
1049                 p_pic->date = ((3 * p_pic->date -
1050                                     p_vout->p_sys->last_date) / 2 );
1051             }
1052             p_vout->p_sys->last_date = last_date;
1053             p_pic->b_force = 1;
1054             p_pic->p_sys->nb_display = 1;
1055             vlc_mutex_unlock( &p_vout->picture_lock );
1056         }
1057         else
1058         {
1059             p_pic->p_sys->nb_display = 0;
1060             p_pic->b_force = 0;
1061         }
1062     }
1063     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1064 #endif
1065
1066 #ifdef HAVE_SYS_SHM_H
1067     if( p_vout->p_sys->i_shm_opcode )
1068     {
1069         /* Display rendered image using shared memory extension */
1070 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1071         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1072                        p_vout->p_sys->p_win->video_window,
1073                        p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1074                        p_vout->fmt_out.i_x_offset,
1075                        p_vout->fmt_out.i_y_offset,
1076                        p_vout->fmt_out.i_visible_width,
1077                        p_vout->fmt_out.i_visible_height,
1078                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
1079                        False /* Don't put True here or you'll waste your CPU */ );
1080 #else
1081         XShmPutImage( p_vout->p_sys->p_display,
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                       0 /*dest_x*/, 0 /*dest_y*/,
1087                       p_vout->fmt_out.i_visible_width,
1088                       p_vout->fmt_out.i_visible_height,
1089                       False /* Don't put True here ! */ );
1090 #endif
1091     }
1092     else
1093 #endif /* HAVE_SYS_SHM_H */
1094     {
1095         /* Use standard XPutImage -- this is gonna be slow ! */
1096 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1097         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
1098                     p_vout->p_sys->p_win->video_window,
1099                     p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1100                     p_vout->fmt_out.i_x_offset,
1101                     p_vout->fmt_out.i_y_offset,
1102                     p_vout->fmt_out.i_visible_width,
1103                     p_vout->fmt_out.i_visible_height,
1104                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
1105 #else
1106         XPutImage( p_vout->p_sys->p_display,
1107                    p_vout->p_sys->p_win->video_window,
1108                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
1109                    p_vout->fmt_out.i_x_offset,
1110                    p_vout->fmt_out.i_y_offset,
1111                    0 /*dest_x*/, 0 /*dest_y*/,
1112                    p_vout->fmt_out.i_visible_width,
1113                    p_vout->fmt_out.i_visible_height );
1114 #endif
1115     }
1116
1117     /* Make sure the command is sent now - do NOT use XFlush !*/
1118     XSync( p_vout->p_sys->p_display, False );
1119 }
1120
1121 /*****************************************************************************
1122  * ManageVideo: handle X11 events
1123  *****************************************************************************
1124  * This function should be called regularly by video output thread. It manages
1125  * X11 events and allows window resizing. It returns a non null value on
1126  * error.
1127  *****************************************************************************/
1128 static int ManageVideo( vout_thread_t *p_vout )
1129 {
1130     XEvent      xevent;                                         /* X11 event */
1131     vlc_value_t val;
1132
1133 #ifdef MODULE_NAME_IS_xvmc
1134     xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
1135 #endif
1136
1137     /* Handle events from the owner window */
1138     if( p_vout->p_sys->p_win->owner_window )
1139     {
1140         while( XCheckWindowEvent( p_vout->p_sys->p_display,
1141                                 p_vout->p_sys->p_win->owner_window->handle.xid,
1142                                   StructureNotifyMask, &xevent ) == True )
1143         {
1144             /* ConfigureNotify event: prepare  */
1145             if( xevent.type == ConfigureNotify )
1146             {
1147                 /* Update dimensions */
1148                 XResizeWindow( p_vout->p_sys->p_display,
1149                                p_vout->p_sys->p_win->base_window,
1150                                xevent.xconfigure.width,
1151                                xevent.xconfigure.height );
1152             }
1153         }
1154     }
1155
1156     /* Handle X11 events: ConfigureNotify events are parsed to know if the
1157      * output window's size changed, MapNotify and UnmapNotify to know if the
1158      * window is mapped (and if the display is useful), and ClientMessages
1159      * to intercept window destruction requests */
1160
1161     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1162                               p_vout->p_sys->p_win->base_window,
1163                               StructureNotifyMask | KeyPressMask |
1164                               ButtonPressMask | ButtonReleaseMask |
1165                               PointerMotionMask | Button1MotionMask , &xevent )
1166            == True )
1167     {
1168         /* ConfigureNotify event: prepare  */
1169         if( xevent.type == ConfigureNotify )
1170         {
1171             if( (unsigned int)xevent.xconfigure.width
1172                    != p_vout->p_sys->p_win->i_width
1173               || (unsigned int)xevent.xconfigure.height
1174                     != p_vout->p_sys->p_win->i_height )
1175             {
1176                 /* Update dimensions */
1177                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
1178                 p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
1179                 p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
1180             }
1181         }
1182         /* Keyboard event */
1183         else if( xevent.type == KeyPress )
1184         {
1185             unsigned int state = xevent.xkey.state;
1186             KeySym x_key_symbol;
1187             char i_key;                                   /* ISO Latin-1 key */
1188
1189             /* We may have keys like F1 trough F12, ESC ... */
1190             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
1191                                              xevent.xkey.keycode, 0 );
1192             val.i_int = ConvertKey( (int)x_key_symbol );
1193
1194             xevent.xkey.state &= ~ShiftMask;
1195             xevent.xkey.state &= ~ControlMask;
1196             xevent.xkey.state &= ~Mod1Mask;
1197
1198             if( !val.i_int &&
1199                 XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
1200             {
1201                 /* "Normal Keys"
1202                  * The reason why I use this instead of XK_0 is that
1203                  * with XLookupString, we don't have to care about
1204                  * keymaps. */
1205                 val.i_int = i_key;
1206             }
1207
1208             if( val.i_int )
1209             {
1210                 if( state & ShiftMask )
1211                 {
1212                     val.i_int |= KEY_MODIFIER_SHIFT;
1213                 }
1214                 if( state & ControlMask )
1215                 {
1216                     val.i_int |= KEY_MODIFIER_CTRL;
1217                 }
1218                 if( state & Mod1Mask )
1219                 {
1220                     val.i_int |= KEY_MODIFIER_ALT;
1221                 }
1222                 var_Set( p_vout->p_libvlc, "key-pressed", val );
1223             }
1224         }
1225         /* Mouse click */
1226         else if( xevent.type == ButtonPress )
1227         {
1228             switch( ((XButtonEvent *)&xevent)->button )
1229             {
1230                 case Button1:
1231                     var_Get( p_vout, "mouse-button-down", &val );
1232                     val.i_int |= 1;
1233                     var_Set( p_vout, "mouse-button-down", val );
1234
1235                     /* detect double-clicks */
1236                     if( ( ((XButtonEvent *)&xevent)->time -
1237                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
1238                     {
1239                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1240                     }
1241
1242                     p_vout->p_sys->i_time_button_last_pressed =
1243                         ((XButtonEvent *)&xevent)->time;
1244                     break;
1245                 case Button2:
1246                     var_Get( p_vout, "mouse-button-down", &val );
1247                     val.i_int |= 2;
1248                     var_Set( p_vout, "mouse-button-down", val );
1249                     break;
1250
1251                 case Button3:
1252                     var_Get( p_vout, "mouse-button-down", &val );
1253                     val.i_int |= 4;
1254                     var_Set( p_vout, "mouse-button-down", val );
1255                     break;
1256
1257                 case Button4:
1258                     var_Get( p_vout, "mouse-button-down", &val );
1259                     val.i_int |= 8;
1260                     var_Set( p_vout, "mouse-button-down", val );
1261                     break;
1262
1263                 case Button5:
1264                     var_Get( p_vout, "mouse-button-down", &val );
1265                     val.i_int |= 16;
1266                     var_Set( p_vout, "mouse-button-down", val );
1267                     break;
1268             }
1269         }
1270         /* Mouse release */
1271         else if( xevent.type == ButtonRelease )
1272         {
1273             switch( ((XButtonEvent *)&xevent)->button )
1274             {
1275                 case Button1:
1276                     {
1277                         var_Get( p_vout, "mouse-button-down", &val );
1278                         val.i_int &= ~1;
1279                         var_Set( p_vout, "mouse-button-down", val );
1280
1281                         var_SetBool( p_vout, "mouse-clicked", true );
1282                         var_SetBool( p_vout->p_libvlc, "intf-popupmenu", false );
1283                     }
1284                     break;
1285
1286                 case Button2:
1287                     {
1288                         var_Get( p_vout, "mouse-button-down", &val );
1289                         val.i_int &= ~2;
1290                         var_Set( p_vout, "mouse-button-down", val );
1291
1292                         var_Get( p_vout->p_libvlc, "intf-show", &val );
1293                         val.b_bool = !val.b_bool;
1294                         var_Set( p_vout->p_libvlc, "intf-show", val );
1295                     }
1296                     break;
1297
1298                 case Button3:
1299                     {
1300                         var_Get( p_vout, "mouse-button-down", &val );
1301                         val.i_int &= ~4;
1302                         var_Set( p_vout, "mouse-button-down", val );
1303
1304                         var_SetBool( p_vout->p_libvlc, "intf-popupmenu", true );
1305                     }
1306                     break;
1307
1308                 case Button4:
1309                     var_Get( p_vout, "mouse-button-down", &val );
1310                     val.i_int &= ~8;
1311                     var_Set( p_vout, "mouse-button-down", val );
1312                     break;
1313
1314                 case Button5:
1315                     var_Get( p_vout, "mouse-button-down", &val );
1316                     val.i_int &= ~16;
1317                     var_Set( p_vout, "mouse-button-down", val );
1318                     break;
1319
1320             }
1321         }
1322         /* Mouse move */
1323         else if( xevent.type == MotionNotify )
1324         {
1325             unsigned int i_width, i_height, i_x, i_y;
1326
1327             /* somewhat different use for vout_PlacePicture:
1328              * here the values are needed to give to mouse coordinates
1329              * in the original picture space */
1330             vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1331                                p_vout->p_sys->p_win->i_height,
1332                                &i_x, &i_y, &i_width, &i_height );
1333
1334             /* Compute the x coordinate and check if the value is
1335                in [0,p_vout->fmt_in.i_visible_width] */
1336             val.i_int = ( xevent.xmotion.x - i_x ) *
1337                 p_vout->fmt_in.i_visible_width / i_width +
1338                 p_vout->fmt_in.i_x_offset;
1339
1340             if( (int)(xevent.xmotion.x - i_x) < 0 )
1341                 val.i_int = 0;
1342             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
1343                 val.i_int = p_vout->fmt_in.i_visible_width;
1344
1345             var_Set( p_vout, "mouse-x", val );
1346
1347             /* compute the y coordinate and check if the value is
1348                in [0,p_vout->fmt_in.i_visible_height] */
1349             val.i_int = ( xevent.xmotion.y - i_y ) *
1350                 p_vout->fmt_in.i_visible_height / i_height +
1351                 p_vout->fmt_in.i_y_offset;
1352
1353             if( (int)(xevent.xmotion.y - i_y) < 0 )
1354                 val.i_int = 0;
1355             else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
1356                 val.i_int = p_vout->fmt_in.i_visible_height;
1357
1358             var_Set( p_vout, "mouse-y", val );
1359
1360             var_SetBool( p_vout, "mouse-moved", true );
1361
1362             p_vout->p_sys->i_time_mouse_last_moved = mdate();
1363             if( ! p_vout->p_sys->b_mouse_pointer_visible )
1364             {
1365                 ToggleCursor( p_vout );
1366             }
1367         }
1368         else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
1369                   || xevent.type == MapNotify
1370                   || xevent.type == UnmapNotify )
1371         {
1372             /* Ignore these events */
1373         }
1374         else /* Other events */
1375         {
1376             msg_Warn( p_vout, "unhandled event %d received", xevent.type );
1377         }
1378     }
1379
1380     /* Handle events for video output sub-window */
1381     while( XCheckWindowEvent( p_vout->p_sys->p_display,
1382                               p_vout->p_sys->p_win->video_window,
1383                               ExposureMask, &xevent ) == True )
1384     {
1385         /* Window exposed (only handled if stream playback is paused) */
1386         if( xevent.type == Expose )
1387         {
1388             if( ((XExposeEvent *)&xevent)->count == 0 )
1389             {
1390                 /* (if this is the last a collection of expose events...) */
1391
1392 #if defined(MODULE_NAME_IS_xvideo)
1393                 x11_window_t *p_win = p_vout->p_sys->p_win;
1394
1395                 /* Paint the colour key if needed */
1396                 if( p_vout->p_sys->b_paint_colourkey &&
1397                     xevent.xexpose.window == p_win->video_window )
1398                 {
1399                     XSetForeground( p_vout->p_sys->p_display,
1400                                     p_win->gc, p_vout->p_sys->i_colourkey );
1401                     XFillRectangle( p_vout->p_sys->p_display,
1402                                     p_win->video_window, p_win->gc, 0, 0,
1403                                     p_win->i_width, p_win->i_height );
1404                 }
1405 #endif
1406
1407 #if 0
1408                 if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
1409                 {
1410                     if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
1411                                                    ->stream.control.i_status )
1412                     {
1413                         /* XVideoDisplay( p_vout )*/;
1414                     }
1415                 }
1416 #endif
1417             }
1418         }
1419     }
1420
1421     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
1422      * are handled - according to the man pages, the format is always 32
1423      * in this case */
1424     while( XCheckTypedEvent( p_vout->p_sys->p_display,
1425                              ClientMessage, &xevent ) )
1426     {
1427         if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
1428                && ((Atom)xevent.xclient.data.l[0]
1429                      == p_vout->p_sys->p_win->wm_delete_window ) )
1430         {
1431             /* the user wants to close the window */
1432             playlist_t * p_playlist = pl_Hold( p_vout );
1433             if( p_playlist != NULL )
1434             {
1435                 playlist_Stop( p_playlist );
1436                 pl_Release( p_vout );
1437             }
1438         }
1439     }
1440
1441     /*
1442      * Fullscreen Change
1443      */
1444     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
1445     {
1446         /* Update the object variable and trigger callback */
1447         var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );
1448
1449         ToggleFullScreen( p_vout );
1450         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
1451     }
1452
1453     /* autoscale toggle */
1454     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
1455     {
1456         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
1457
1458         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
1459         p_vout->i_zoom = ZOOM_FP_FACTOR;
1460
1461         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1462     }
1463
1464     /* scaling factor */
1465     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
1466     {
1467         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
1468
1469         p_vout->b_autoscale = false;
1470         p_vout->i_zoom =
1471             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
1472
1473         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1474     }
1475
1476     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
1477         p_vout->i_changes & VOUT_ASPECT_CHANGE )
1478     {
1479         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
1480         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
1481
1482         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
1483         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
1484         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
1485         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
1486         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
1487         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
1488         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
1489         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
1490
1491         p_vout->i_changes |= VOUT_SIZE_CHANGE;
1492     }
1493
1494     /*
1495      * Size change
1496      *
1497      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
1498      *  the size flag inside the fullscreen routine)
1499      */
1500     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1501     {
1502         unsigned int i_width, i_height, i_x, i_y;
1503
1504 #ifdef MODULE_NAME_IS_x11
1505         /* We need to signal the vout thread about the size change because it
1506          * is doing the rescaling */
1507 #else
1508         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1509 #endif
1510
1511         vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
1512                            p_vout->p_sys->p_win->i_height,
1513                            &i_x, &i_y, &i_width, &i_height );
1514
1515         XMoveResizeWindow( p_vout->p_sys->p_display,
1516                            p_vout->p_sys->p_win->video_window,
1517                            i_x, i_y, i_width, i_height );
1518     }
1519
1520     /* cursor hiding depending on --vout-event option
1521      *      activated if:
1522      *            value = 1 (Fullsupport) (default value)
1523      *         or value = 2 (Fullscreen-Only) and condition met
1524      */
1525     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1526                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1527                         );
1528
1529     /* Autohide Cursour */
1530     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
1531         p_vout->p_sys->i_mouse_hide_timeout )
1532     {
1533         /* Hide the mouse automatically */
1534         if( b_vout_event && p_vout->p_sys->b_mouse_pointer_visible )
1535         {
1536             ToggleCursor( p_vout );
1537         }
1538     }
1539
1540 #ifdef MODULE_NAME_IS_xvmc
1541     xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
1542 #endif
1543
1544 #ifdef HAVE_OSSO
1545     if ( p_vout->p_sys->p_octx != NULL ) {
1546         if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
1547             if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
1548                 msg_Err( p_vout, "Could not disable backlight blanking" );
1549         } else {
1550                 msg_Dbg( p_vout, "Backlight blanking disabled" );
1551             }
1552             p_vout->p_sys->i_backlight_on_counter = 0;
1553         } else {
1554             p_vout->p_sys->i_backlight_on_counter ++;
1555         }
1556     }
1557 #endif
1558     return 0;
1559 }
1560
1561 /*****************************************************************************
1562  * EndVideo: terminate X11 video thread output method
1563  *****************************************************************************
1564  * Destroy the X11 XImages created by Init. It is called at the end of
1565  * the thread, but also each time the window is resized.
1566  *****************************************************************************/
1567 static void EndVideo( vout_thread_t *p_vout )
1568 {
1569     int i_index;
1570
1571     /* Free the direct buffers we allocated */
1572     for( i_index = I_OUTPUTPICTURES ; i_index ; )
1573     {
1574         i_index--;
1575         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
1576     }
1577 }
1578
1579 /* following functions are local */
1580
1581 /*****************************************************************************
1582  * CreateWindow: open and set-up X11 main window
1583  *****************************************************************************/
1584 static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1585 {
1586     XSizeHints              xsize_hints;
1587     XSetWindowAttributes    xwindow_attributes;
1588     XGCValues               xgcvalues;
1589     XEvent                  xevent;
1590
1591     bool              b_map_notify = false;
1592     vlc_value_t             val;
1593
1594     /* Prepare window manager hints and properties */
1595     p_win->wm_protocols =
1596              XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
1597     p_win->wm_delete_window =
1598              XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );
1599
1600     /* Never have a 0-pixel-wide window */
1601     xsize_hints.min_width = 2;
1602     xsize_hints.min_height = 1;
1603
1604     /* Prepare window attributes */
1605     xwindow_attributes.backing_store = Always;       /* save the hidden part */
1606     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
1607                                                      p_vout->p_sys->i_screen);
1608     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
1609
1610     if( !p_vout->b_fullscreen )
1611     {
1612         p_win->owner_window = vout_RequestXWindow( p_vout, &p_win->i_x,
1613                               &p_win->i_y, &p_win->i_width, &p_win->i_height );
1614         xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
1615         xsize_hints.base_height = xsize_hints.height = p_win->i_height;
1616         xsize_hints.flags       = PSize | PMinSize;
1617
1618         if( p_win->i_x >=0 || p_win->i_y >= 0 )
1619         {
1620             xsize_hints.x = p_win->i_x;
1621             xsize_hints.y = p_win->i_y;
1622             xsize_hints.flags |= PPosition;
1623         }
1624     }
1625     else
1626     {
1627         /* Fullscreen window size and position */
1628         p_win->owner_window = NULL;
1629         p_win->i_x = p_win->i_y = 0;
1630         p_win->i_width =
1631             DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1632         p_win->i_height =
1633             DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
1634     }
1635
1636     if( !p_win->owner_window )
1637     {
1638         /* Create the window and set hints - the window must receive
1639          * ConfigureNotify events, and until it is displayed, Expose and
1640          * MapNotify events. */
1641
1642         p_win->base_window =
1643             XCreateWindow( p_vout->p_sys->p_display,
1644                            DefaultRootWindow( p_vout->p_sys->p_display ),
1645                            p_win->i_x, p_win->i_y,
1646                            p_win->i_width, p_win->i_height,
1647                            0,
1648                            0, InputOutput, 0,
1649                            CWBackingStore | CWBackPixel | CWEventMask,
1650                            &xwindow_attributes );
1651
1652         var_Get( p_vout, "video-title", &val );
1653         if( !val.psz_string || !*val.psz_string )
1654         {
1655             XStoreName( p_vout->p_sys->p_display, p_win->base_window,
1656 #ifdef MODULE_NAME_IS_x11
1657                         VOUT_TITLE " (X11 output)"
1658 #elif defined(MODULE_NAME_IS_glx)
1659                         VOUT_TITLE " (GLX output)"
1660 #else
1661                         VOUT_TITLE " (XVideo output)"
1662 #endif
1663               );
1664         }
1665         else
1666         {
1667             XStoreName( p_vout->p_sys->p_display,
1668                         p_win->base_window, val.psz_string );
1669         }
1670         free( val.psz_string );
1671
1672         if( !p_vout->b_fullscreen )
1673         {
1674             const char *argv[] = { "vlc", NULL };
1675
1676             /* Set window manager hints and properties: size hints, command,
1677              * window's name, and accepted protocols */
1678             XSetWMNormalHints( p_vout->p_sys->p_display,
1679                                p_win->base_window, &xsize_hints );
1680             XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
1681                          (char**)argv, 1 );
1682
1683             if( !var_GetBool( p_vout, "video-deco") )
1684             {
1685                 Atom prop;
1686                 mwmhints_t mwmhints;
1687
1688                 mwmhints.flags = MWM_HINTS_DECORATIONS;
1689                 mwmhints.decorations = False;
1690
1691                 prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1692                                     False );
1693
1694                 XChangeProperty( p_vout->p_sys->p_display,
1695                                  p_win->base_window,
1696                                  prop, prop, 32, PropModeReplace,
1697                                  (unsigned char *)&mwmhints,
1698                                  PROP_MWM_HINTS_ELEMENTS );
1699             }
1700         }
1701     }
1702     else
1703     {
1704         Window dummy1;
1705         int dummy2, dummy3;
1706         unsigned int dummy4, dummy5;
1707
1708         /* Select events we are interested in. */
1709         XSelectInput( p_vout->p_sys->p_display,
1710                       p_win->owner_window->handle.xid, StructureNotifyMask );
1711
1712         /* Get the parent window's geometry information */
1713         XGetGeometry( p_vout->p_sys->p_display,
1714                       p_win->owner_window->handle.xid,
1715                       &dummy1, &dummy2, &dummy3,
1716                       &p_win->i_width,
1717                       &p_win->i_height,
1718                       &dummy4, &dummy5 );
1719
1720         /* From man XSelectInput: only one client at a time can select a
1721          * ButtonPress event, so we need to open a new window anyway. */
1722         p_win->base_window =
1723             XCreateWindow( p_vout->p_sys->p_display,
1724                            p_win->owner_window->handle.xid,
1725                            0, 0,
1726                            p_win->i_width, p_win->i_height,
1727                            0,
1728                            0, CopyFromParent, 0,
1729                            CWBackingStore | CWBackPixel | CWEventMask,
1730                            &xwindow_attributes );
1731     }
1732
1733     if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1734         || (p_win->wm_delete_window == None)
1735         || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
1736                              &p_win->wm_delete_window, 1 ) )
1737     {
1738         /* WM_DELETE_WINDOW is not supported by window manager */
1739         msg_Warn( p_vout, "missing or bad window manager" );
1740     }
1741
1742     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1743      * event when using functions like XCopyArea */
1744     xgcvalues.graphics_exposures = False;
1745     p_win->gc = XCreateGC( p_vout->p_sys->p_display,
1746                            p_win->base_window,
1747                            GCGraphicsExposures, &xgcvalues );
1748
1749     /* Wait till the window is mapped */
1750     XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
1751     do
1752     {
1753         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1754                       SubstructureNotifyMask | StructureNotifyMask, &xevent);
1755         if( (xevent.type == MapNotify)
1756                  && (xevent.xmap.window == p_win->base_window) )
1757         {
1758             b_map_notify = true;
1759         }
1760         else if( (xevent.type == ConfigureNotify)
1761                  && (xevent.xconfigure.window == p_win->base_window) )
1762         {
1763             p_win->i_width = xevent.xconfigure.width;
1764             p_win->i_height = xevent.xconfigure.height;
1765         }
1766     } while( !b_map_notify );
1767
1768     /* key and mouse events handling depending on --vout-event option
1769      *      activated if:
1770      *            value = 1 (Fullsupport) (default value)
1771      *         or value = 2 (Fullscreen-Only) and condition met
1772      */
1773     bool b_vout_event = (   ( p_vout->p_sys->i_vout_event == 1 )
1774                          || ( p_vout->p_sys->i_vout_event == 2 && p_vout->b_fullscreen )
1775                         );
1776     if ( b_vout_event )
1777         XSelectInput( p_vout->p_sys->p_display, p_win->base_window,
1778                       StructureNotifyMask | KeyPressMask |
1779                       ButtonPressMask | ButtonReleaseMask |
1780                       PointerMotionMask );
1781
1782 #ifdef MODULE_NAME_IS_x11
1783     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1784     {
1785         /* Allocate a new palette */
1786         p_vout->p_sys->colormap =
1787             XCreateColormap( p_vout->p_sys->p_display,
1788                              DefaultRootWindow( p_vout->p_sys->p_display ),
1789                              DefaultVisual( p_vout->p_sys->p_display,
1790                                             p_vout->p_sys->i_screen ),
1791                              AllocAll );
1792
1793         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1794         XChangeWindowAttributes( p_vout->p_sys->p_display, p_win->base_window,
1795                                  CWColormap, &xwindow_attributes );
1796     }
1797 #endif
1798
1799     /* Create video output sub-window. */
1800     p_win->video_window =  XCreateSimpleWindow(
1801                                       p_vout->p_sys->p_display,
1802                                       p_win->base_window, 0, 0,
1803                                       p_win->i_width, p_win->i_height,
1804                                       0,
1805                                       BlackPixel( p_vout->p_sys->p_display,
1806                                                   p_vout->p_sys->i_screen ),
1807                                       WhitePixel( p_vout->p_sys->p_display,
1808                                                   p_vout->p_sys->i_screen ) );
1809
1810     XSetWindowBackground( p_vout->p_sys->p_display, p_win->video_window,
1811                           BlackPixel( p_vout->p_sys->p_display,
1812                                       p_vout->p_sys->i_screen ) );
1813
1814     XMapWindow( p_vout->p_sys->p_display, p_win->video_window );
1815     XSelectInput( p_vout->p_sys->p_display, p_win->video_window,
1816                   ExposureMask );
1817
1818     /* make sure the video window will be centered in the next ManageVideo() */
1819     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1820
1821     /* If the cursor was formerly blank than blank it again */
1822     if( !p_vout->p_sys->b_mouse_pointer_visible )
1823     {
1824         ToggleCursor( p_vout );
1825         ToggleCursor( p_vout );
1826     }
1827
1828     /* Do NOT use XFlush here ! */
1829     XSync( p_vout->p_sys->p_display, False );
1830
1831     /* At this stage, the window is open, displayed, and ready to
1832      * receive data */
1833     p_vout->p_sys->p_win = p_win;
1834
1835     return VLC_SUCCESS;
1836 }
1837
1838 /*****************************************************************************
1839  * DestroyWindow: destroy the window
1840  *****************************************************************************
1841  *
1842  *****************************************************************************/
1843 static void DestroyWindow( vout_thread_t *p_vout, x11_window_t *p_win )
1844 {
1845     /* Do NOT use XFlush here ! */
1846     XSync( p_vout->p_sys->p_display, False );
1847
1848     if( p_win->video_window != None )
1849         XDestroyWindow( p_vout->p_sys->p_display, p_win->video_window );
1850
1851     XFreeGC( p_vout->p_sys->p_display, p_win->gc );
1852
1853     XUnmapWindow( p_vout->p_sys->p_display, p_win->base_window );
1854     XDestroyWindow( p_vout->p_sys->p_display, p_win->base_window );
1855
1856     /* make sure base window is destroyed before proceeding further */
1857     bool b_destroy_notify = false;
1858     do
1859     {
1860         XEvent      xevent;
1861         XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
1862                       SubstructureNotifyMask | StructureNotifyMask, &xevent);
1863         if( (xevent.type == DestroyNotify)
1864                  && (xevent.xmap.window == p_win->base_window) )
1865         {
1866             b_destroy_notify = true;
1867         }
1868     } while( !b_destroy_notify );
1869
1870     vout_ReleaseWindow( p_win->owner_window );
1871 }
1872
1873 /*****************************************************************************
1874  * NewPicture: allocate a picture
1875  *****************************************************************************
1876  * Returns 0 on success, -1 otherwise
1877  *****************************************************************************/
1878 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1879 {
1880 #ifndef MODULE_NAME_IS_glx
1881
1882 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1883     int i_plane;
1884 #endif
1885
1886     /* We know the chroma, allocate a buffer which will be used
1887      * directly by the decoder */
1888     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1889
1890     if( p_pic->p_sys == NULL )
1891     {
1892         return -1;
1893     }
1894
1895 #ifdef MODULE_NAME_IS_xvmc
1896     p_pic->p_sys->p_vout = p_vout;
1897     p_pic->p_sys->xvmc_surf = NULL;
1898     p_pic->p_sys->xxmc_data.decoded = 0;
1899     p_pic->p_sys->xxmc_data.proc_xxmc_update_frame = xxmc_do_update_frame;
1900     //    p_pic->p_accel_data = &p_pic->p_sys->xxmc_data;
1901     p_pic->p_sys->nb_display = 0;
1902 #endif
1903
1904     /* Fill in picture_t fields */
1905     vout_InitPicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
1906                       p_vout->output.i_width, p_vout->output.i_height,
1907                       p_vout->output.i_aspect );
1908
1909 #ifdef HAVE_SYS_SHM_H
1910     if( p_vout->p_sys->i_shm_opcode )
1911     {
1912         /* Create image using XShm extension */
1913         p_pic->p_sys->p_image =
1914             CreateShmImage( p_vout, p_vout->p_sys->p_display,
1915 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1916                             p_vout->p_sys->i_xvport,
1917                             VLC2X11_FOURCC(p_vout->output.i_chroma),
1918 #else
1919                             p_vout->p_sys->p_visual,
1920                             p_vout->p_sys->i_screen_depth,
1921 #endif
1922                             &p_pic->p_sys->shminfo,
1923                             p_vout->output.i_width, p_vout->output.i_height );
1924     }
1925
1926     if( !p_vout->p_sys->i_shm_opcode || !p_pic->p_sys->p_image )
1927 #endif /* HAVE_SYS_SHM_H */
1928     {
1929         /* Create image without XShm extension */
1930         p_pic->p_sys->p_image =
1931             CreateImage( p_vout, p_vout->p_sys->p_display,
1932 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1933                          p_vout->p_sys->i_xvport,
1934                          VLC2X11_FOURCC(p_vout->output.i_chroma),
1935                          p_pic->format.i_bits_per_pixel,
1936 #else
1937                          p_vout->p_sys->p_visual,
1938                          p_vout->p_sys->i_screen_depth,
1939                          p_vout->p_sys->i_bytes_per_pixel,
1940 #endif
1941                          p_vout->output.i_width, p_vout->output.i_height );
1942
1943 #ifdef HAVE_SYS_SHM_H
1944         if( p_pic->p_sys->p_image && p_vout->p_sys->i_shm_opcode )
1945         {
1946             msg_Warn( p_vout, "couldn't create SHM image, disabling SHM" );
1947             p_vout->p_sys->i_shm_opcode = 0;
1948         }
1949 #endif /* HAVE_SYS_SHM_H */
1950     }
1951
1952     if( p_pic->p_sys->p_image == NULL )
1953     {
1954         free( p_pic->p_sys );
1955         return -1;
1956     }
1957
1958     switch( p_vout->output.i_chroma )
1959     {
1960 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
1961         case VLC_FOURCC('I','4','2','0'):
1962         case VLC_FOURCC('Y','V','1','2'):
1963         case VLC_FOURCC('Y','2','1','1'):
1964         case VLC_FOURCC('Y','U','Y','2'):
1965         case VLC_FOURCC('U','Y','V','Y'):
1966         case VLC_FOURCC('R','V','1','5'):
1967         case VLC_FOURCC('R','V','1','6'):
1968         case VLC_FOURCC('R','V','2','4'): /* Fixme: pixel pitch == 4 ? */
1969         case VLC_FOURCC('R','V','3','2'):
1970
1971             for( i_plane = 0; i_plane < p_pic->p_sys->p_image->num_planes;
1972                  i_plane++ )
1973             {
1974                 p_pic->p[i_plane].p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
1975                     + p_pic->p_sys->p_image->offsets[i_plane];
1976                 p_pic->p[i_plane].i_pitch =
1977                     p_pic->p_sys->p_image->pitches[i_plane];
1978             }
1979             if( p_vout->output.i_chroma == VLC_FOURCC('Y','V','1','2') )
1980             {
1981                 /* U and V inverted compared to I420
1982                  * Fixme: this should be handled by the vout core */
1983                 p_pic->U_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1984                     + p_pic->p_sys->p_image->offsets[2];
1985                 p_pic->V_PIXELS = (uint8_t*)p_pic->p_sys->p_image->data
1986                     + p_pic->p_sys->p_image->offsets[1];
1987             }
1988
1989             break;
1990
1991 #else
1992         case VLC_FOURCC('R','G','B','2'):
1993         case VLC_FOURCC('R','V','1','6'):
1994         case VLC_FOURCC('R','V','1','5'):
1995         case VLC_FOURCC('R','V','2','4'):
1996         case VLC_FOURCC('R','V','3','2'):
1997
1998             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1999             p_pic->p->i_visible_lines = p_pic->p_sys->p_image->height;
2000             p_pic->p->p_pixels = (uint8_t*)p_pic->p_sys->p_image->data
2001                                   + p_pic->p_sys->p_image->xoffset;
2002             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
2003
2004             /* p_pic->p->i_pixel_pitch = 4 for RV24 but this should be set
2005              * properly by vout_InitPicture() */
2006             p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch
2007                                          * p_pic->p_sys->p_image->width;
2008             break;
2009 #endif
2010
2011         default:
2012             /* Unknown chroma, tell the guy to get lost */
2013             IMAGE_FREE( p_pic->p_sys->p_image );
2014             free( p_pic->p_sys );
2015             msg_Err( p_vout, "never heard of chroma 0x%.8x (%4.4s)",
2016                      p_vout->output.i_chroma, (char*)&p_vout->output.i_chroma );
2017             p_pic->i_planes = 0;
2018             return -1;
2019     }
2020 #else
2021
2022     VLC_UNUSED(p_vout); VLC_UNUSED(p_pic);
2023
2024 #endif /* !MODULE_NAME_IS_glx */
2025
2026     return 0;
2027 }
2028
2029 /*****************************************************************************
2030  * FreePicture: destroy a picture allocated with NewPicture
2031  *****************************************************************************
2032  * Destroy XImage AND associated data. If using Shm, detach shared memory
2033  * segment from server and process, then free it. The XDestroyImage manpage
2034  * says that both the image structure _and_ the data pointed to by the
2035  * image structure are freed, so no need to free p_image->data.
2036  *****************************************************************************/
2037 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
2038 {
2039     /* The order of operations is correct */
2040 #ifdef HAVE_SYS_SHM_H
2041     if( p_vout->p_sys->i_shm_opcode )
2042     {
2043         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
2044         IMAGE_FREE( p_pic->p_sys->p_image );
2045
2046         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
2047         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
2048         {
2049             msg_Err( p_vout, "cannot detach shared memory (%m)" );
2050         }
2051     }
2052     else
2053 #endif
2054     {
2055         IMAGE_FREE( p_pic->p_sys->p_image );
2056     }
2057
2058 #ifdef MODULE_NAME_IS_xvmc
2059     if( p_pic->p_sys->xvmc_surf != NULL )
2060     {
2061         xxmc_xvmc_free_surface(p_vout , p_pic->p_sys->xvmc_surf);
2062         p_pic->p_sys->xvmc_surf = NULL;
2063     }
2064 #endif
2065
2066     /* Do NOT use XFlush here ! */
2067     XSync( p_vout->p_sys->p_display, False );
2068
2069     free( p_pic->p_sys );
2070 }
2071
2072 /*****************************************************************************
2073  * ToggleFullScreen: Enable or disable full screen mode
2074  *****************************************************************************
2075  * This function will switch between fullscreen and window mode.
2076  *****************************************************************************/
2077 static void ToggleFullScreen ( vout_thread_t *p_vout )
2078 {
2079     Atom prop;
2080     mwmhints_t mwmhints;
2081     XSetWindowAttributes attributes;
2082
2083 #ifdef HAVE_XINERAMA
2084     int i_d1, i_d2;
2085 #endif
2086
2087     p_vout->b_fullscreen = !p_vout->b_fullscreen;
2088
2089     if( p_vout->b_fullscreen )
2090     {
2091         msg_Dbg( p_vout, "entering fullscreen mode" );
2092
2093         /* Getting current window position */
2094         Window root_win;
2095         Window* child_windows;
2096         unsigned int num_child_windows;
2097         Window parent_win;
2098         Window child_win;
2099         XWindowAttributes win_attr;
2100         int screen_x,screen_y;
2101
2102         XGetWindowAttributes(
2103                 p_vout->p_sys->p_display,
2104                 p_vout->p_sys->p_win->video_window,
2105                 &win_attr);
2106
2107         XQueryTree(
2108                 p_vout->p_sys->p_display,
2109                 p_vout->p_sys->p_win->video_window,
2110                 &root_win,
2111                 &parent_win,
2112                 &child_windows,
2113                 &num_child_windows);
2114         XFree(child_windows);
2115
2116         XTranslateCoordinates(
2117                 p_vout->p_sys->p_display,
2118                 parent_win, win_attr.root,
2119                 win_attr.x,win_attr.y,
2120                 &screen_x,&screen_y,
2121                 &child_win);
2122
2123         msg_Dbg( p_vout, "X %d/%d Y %d/%d", win_attr.x,screen_x,win_attr.y,screen_y);
2124         /* screen_x and screen_y are current position */
2125
2126         p_vout->p_sys->b_altfullscreen =
2127             config_GetInt( p_vout, MODULE_STRING "-altfullscreen" );
2128
2129         XUnmapWindow( p_vout->p_sys->p_display,
2130                       p_vout->p_sys->p_win->base_window );
2131
2132         p_vout->p_sys->p_win = &p_vout->p_sys->fullscreen_window;
2133
2134         CreateWindow( p_vout, p_vout->p_sys->p_win );
2135         XDestroyWindow( p_vout->p_sys->p_display,
2136                         p_vout->p_sys->fullscreen_window.video_window );
2137         XReparentWindow( p_vout->p_sys->p_display,
2138                          p_vout->p_sys->original_window.video_window,
2139                          p_vout->p_sys->fullscreen_window.base_window, 0, 0 );
2140         p_vout->p_sys->fullscreen_window.video_window =
2141             p_vout->p_sys->original_window.video_window;
2142
2143         /* To my knowledge there are two ways to create a borderless window.
2144          * There's the generic way which is to tell x to bypass the window
2145          * manager, but this creates problems with the focus of other
2146          * applications.
2147          * The other way is to use the motif property "_MOTIF_WM_HINTS" which
2148          * luckily seems to be supported by most window managers. */
2149         if( !p_vout->p_sys->b_altfullscreen )
2150         {
2151             mwmhints.flags = MWM_HINTS_DECORATIONS;
2152             mwmhints.decorations = False;
2153
2154             prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
2155                                 False );
2156             XChangeProperty( p_vout->p_sys->p_display,
2157                              p_vout->p_sys->p_win->base_window,
2158                              prop, prop, 32, PropModeReplace,
2159                              (unsigned char *)&mwmhints,
2160                              PROP_MWM_HINTS_ELEMENTS );
2161         }
2162         else
2163         {
2164             /* brute force way to remove decorations */
2165             attributes.override_redirect = True;
2166             XChangeWindowAttributes( p_vout->p_sys->p_display,
2167                                      p_vout->p_sys->p_win->base_window,
2168                                      CWOverrideRedirect,
2169                                      &attributes);
2170
2171             /* Make sure the change is effective */
2172             XReparentWindow( p_vout->p_sys->p_display,
2173                              p_vout->p_sys->p_win->base_window,
2174                              DefaultRootWindow( p_vout->p_sys->p_display ),
2175                              0, 0 );
2176         }
2177
2178         if( p_vout->p_sys->b_net_wm_state_fullscreen )
2179         {
2180             XClientMessageEvent event;
2181
2182             memset( &event, 0, sizeof( XClientMessageEvent ) );
2183
2184             event.type = ClientMessage;
2185             event.message_type = p_vout->p_sys->net_wm_state;
2186             event.display = p_vout->p_sys->p_display;
2187             event.window = p_vout->p_sys->p_win->base_window;
2188             event.format = 32;
2189             event.data.l[ 0 ] = 1; /* set property */
2190             event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_fullscreen;
2191
2192             XSendEvent( p_vout->p_sys->p_display,
2193                         DefaultRootWindow( p_vout->p_sys->p_display ),
2194                         False, SubstructureRedirectMask,
2195                         (XEvent*)&event );
2196         }
2197
2198 /* "bad fullscreen" - set this to 0. doing fullscreen this way is problematic
2199  * for many reasons and basically fights with the window manager as the wm
2200  * reparents AND vlc goes and reparents - multiple times. don't do it. it just
2201  * makes it more inefficient and less "nice" to the x11 citizenry. this turns
2202  * it off */
2203 #define BADFS 0
2204 /* explicitly asking for focus when you fullscreened is a little silly. the
2205  * window manager SHOULD be handling this itself based on its own focus
2206  * policies. if the user is "using" a given xinerama/xrandr screen or x11
2207  * multihead screen AND vlc wants to fullscreen the wm should also focus it
2208  * as its the only thing on the screen. if vlc fullscreens and its on
2209  * "another monitor" to the one the user is using - this may "steal" the focus
2210  * as really the wm should be deciding if, on fullscreening of a window
2211  * the focus should go there or not, so let the wm decided */
2212 #define APPFOCUS 0
2213         /* Make sure the change is effective */
2214         XReparentWindow( p_vout->p_sys->p_display,
2215                          p_vout->p_sys->p_win->base_window,
2216                          DefaultRootWindow( p_vout->p_sys->p_display ),
2217                          0, 0 );
2218
2219 #ifdef HAVE_XINERAMA
2220         if( XineramaQueryExtension( p_vout->p_sys->p_display, &i_d1, &i_d2 ) &&
2221             XineramaIsActive( p_vout->p_sys->p_display ) )
2222         {
2223             XineramaScreenInfo *screens;   /* infos for xinerama */
2224             int i_num_screens;
2225
2226             msg_Dbg( p_vout, "using XFree Xinerama extension");
2227
2228 #define SCREEN p_vout->p_sys->p_win->i_screen
2229
2230             /* Get Information about Xinerama (num of screens) */
2231             screens = XineramaQueryScreens( p_vout->p_sys->p_display,
2232                                             &i_num_screens );
2233
2234             SCREEN = config_GetInt( p_vout,
2235                                         MODULE_STRING "-xineramascreen" );
2236
2237             /* just check that user has entered a good value,
2238              * otherwise use that screen where window is */
2239             if( SCREEN >= i_num_screens || SCREEN < 0 )
2240             {
2241                 msg_Dbg( p_vout, "requested screen number invalid (%d/%d)", SCREEN, i_num_screens );
2242 #define left screens[SCREEN].x_org
2243 #define right left + screens[SCREEN].width
2244 #define top screens[SCREEN].y_org
2245 #define bottom top + screens[SCREEN].height
2246
2247                  for( SCREEN = i_num_screens-1; SCREEN > 0; SCREEN--)
2248                  {
2249                      if( left <= screen_x && screen_x <= right &&
2250                              top <= screen_y && screen_y <= bottom )
2251                          break;
2252                  }
2253 #undef bottom
2254 #undef top
2255 #undef right
2256 #undef left
2257             }
2258
2259             /* Get the X/Y upper left corner coordinate of the above screen */
2260             p_vout->p_sys->p_win->i_x = screens[SCREEN].x_org;
2261             p_vout->p_sys->p_win->i_y = screens[SCREEN].y_org;
2262
2263             /* Set the Height/width to the screen resolution */
2264             p_vout->p_sys->p_win->i_width = screens[SCREEN].width;
2265             p_vout->p_sys->p_win->i_height = screens[SCREEN].height;
2266
2267             XFree(screens);
2268
2269 #undef SCREEN
2270
2271         }
2272         else
2273 #endif
2274         {
2275             /* The window wasn't necessarily created at the requested size */
2276             p_vout->p_sys->p_win->i_x = p_vout->p_sys->p_win->i_y = 0;
2277
2278 #ifdef HAVE_XF86VIDMODE
2279             XF86VidModeModeLine mode;
2280             int i_dummy;
2281
2282             if( XF86VidModeGetModeLine( p_vout->p_sys->p_display,
2283                                         p_vout->p_sys->i_screen, &i_dummy,
2284                                         &mode ) )
2285             {
2286                 p_vout->p_sys->p_win->i_width = mode.hdisplay;
2287                 p_vout->p_sys->p_win->i_height = mode.vdisplay;
2288
2289                 /* move cursor to the middle of the window to prevent
2290                  * unwanted display move if the display is smaller than the
2291                  * full desktop */
2292                 XWarpPointer( p_vout->p_sys->p_display, None,
2293                               p_vout->p_sys->p_win->base_window, 0, 0, 0, 0,
2294                               mode.hdisplay / 2 , mode.vdisplay / 2 );
2295                 /* force desktop view to upper left corner */
2296                 XF86VidModeSetViewPort( p_vout->p_sys->p_display,
2297                                         p_vout->p_sys->i_screen, 0, 0 );
2298             }
2299             else
2300 #endif
2301             {
2302                 p_vout->p_sys->p_win->i_width =
2303                     DisplayWidth( p_vout->p_sys->p_display,
2304                                 p_vout->p_sys->i_screen );
2305                 p_vout->p_sys->p_win->i_height =
2306                     DisplayHeight( p_vout->p_sys->p_display,
2307                                 p_vout->p_sys->i_screen );
2308             }
2309
2310         }
2311
2312         XMoveResizeWindow( p_vout->p_sys->p_display,
2313                            p_vout->p_sys->p_win->base_window,
2314                            p_vout->p_sys->p_win->i_x,
2315                            p_vout->p_sys->p_win->i_y,
2316                            p_vout->p_sys->p_win->i_width,
2317                            p_vout->p_sys->p_win->i_height );
2318
2319 #ifdef HAVE_XSP
2320         EnablePixelDoubling( p_vout );
2321 #endif
2322
2323 #if APPFOCUS // RASTER: let the wm do focus policy
2324         /* Activate the window (give it the focus) */
2325         XClientMessageEvent event;
2326
2327         memset( &event, 0, sizeof( XClientMessageEvent ) );
2328
2329         event.type = ClientMessage;
2330         event.message_type =
2331            XInternAtom( p_vout->p_sys->p_display, "_NET_ACTIVE_WINDOW", False );
2332         event.display = p_vout->p_sys->p_display;
2333         event.window = p_vout->p_sys->p_win->base_window;
2334         event.format = 32;
2335         event.data.l[ 0 ] = 1; /* source indication (1 = from an application */
2336         event.data.l[ 1 ] = 0; /* timestamp */
2337         event.data.l[ 2 ] = 0; /* requestor's currently active window */
2338         /* XXX: window manager would be more likely to obey if we already have
2339          * an active window (and give it to the event), such as an interface */
2340
2341         XSendEvent( p_vout->p_sys->p_display,
2342                     DefaultRootWindow( p_vout->p_sys->p_display ),
2343                     False, SubstructureRedirectMask,
2344                     (XEvent*)&event );
2345 #endif
2346     }
2347     else
2348     {
2349         msg_Dbg( p_vout, "leaving fullscreen mode" );
2350
2351 #ifdef HAVE_XSP
2352         DisablePixelDoubling( p_vout );
2353 #endif
2354
2355         XReparentWindow( p_vout->p_sys->p_display,
2356                          p_vout->p_sys->original_window.video_window,
2357                          p_vout->p_sys->original_window.base_window, 0, 0 );
2358
2359         p_vout->p_sys->fullscreen_window.video_window = None;
2360         DestroyWindow( p_vout, &p_vout->p_sys->fullscreen_window );
2361         p_vout->p_sys->p_win = &p_vout->p_sys->original_window;
2362
2363         XMapWindow( p_vout->p_sys->p_display,
2364                     p_vout->p_sys->p_win->base_window );
2365     }
2366
2367     /* Unfortunately, using XSync() here is not enough to ensure the
2368      * window has already been mapped because the XMapWindow() request
2369      * has not necessarily been sent directly to our window (remember,
2370      * the call is first redirected to the window manager) */
2371
2372 #if BADFS // RASTER: this is silly... if we have already mapped before
2373     XEvent xevent;
2374     do
2375     {
2376         XWindowEvent( p_vout->p_sys->p_display,
2377                       p_vout->p_sys->p_win->base_window,
2378                       StructureNotifyMask, &xevent );
2379     } while( xevent.type != MapNotify );
2380 #else
2381    XSync(p_vout->p_sys->p_display, False);
2382 #endif
2383
2384     /* Be careful, this can generate a BadMatch error if the window is not
2385      * already mapped by the server (see above) */
2386     XSetInputFocus(p_vout->p_sys->p_display,
2387                    p_vout->p_sys->p_win->base_window,
2388                    RevertToParent,
2389                    CurrentTime);
2390
2391     /* signal that the size needs to be updated */
2392     p_vout->i_changes |= VOUT_SIZE_CHANGE;
2393 }
2394
2395 /*****************************************************************************
2396  * EnableXScreenSaver: enable screen saver
2397  *****************************************************************************
2398  * This function enables the screen saver on a display after it has been
2399  * disabled by XDisableScreenSaver.
2400  * FIXME: what happens if multiple vlc sessions are running at the same
2401  *        time ???
2402  *****************************************************************************/
2403 static void EnableXScreenSaver( vout_thread_t *p_vout )
2404 {
2405 #ifdef DPMSINFO_IN_DPMS_H
2406     int dummy;
2407 #endif
2408
2409     if( p_vout->p_sys->i_ss_timeout )
2410     {
2411         XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
2412                          p_vout->p_sys->i_ss_interval,
2413                          p_vout->p_sys->i_ss_blanking,
2414                          p_vout->p_sys->i_ss_exposure );
2415     }
2416
2417     /* Restore DPMS settings */
2418 #ifdef DPMSINFO_IN_DPMS_H
2419     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2420     {
2421         if( p_vout->p_sys->b_ss_dpms )
2422         {
2423             DPMSEnable( p_vout->p_sys->p_display );
2424         }
2425     }
2426 #endif
2427 }
2428
2429 /*****************************************************************************
2430  * DisableXScreenSaver: disable screen saver
2431  *****************************************************************************
2432  * See XEnableXScreenSaver
2433  *****************************************************************************/
2434 static void DisableXScreenSaver( vout_thread_t *p_vout )
2435 {
2436 #ifdef DPMSINFO_IN_DPMS_H
2437     int dummy;
2438 #endif
2439
2440     /* Save screen saver information */
2441     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
2442                      &p_vout->p_sys->i_ss_interval,
2443                      &p_vout->p_sys->i_ss_blanking,
2444                      &p_vout->p_sys->i_ss_exposure );
2445
2446     /* Disable screen saver */
2447     if( p_vout->p_sys->i_ss_timeout )
2448     {
2449         XSetScreenSaver( p_vout->p_sys->p_display, 0,
2450                          p_vout->p_sys->i_ss_interval,
2451                          p_vout->p_sys->i_ss_blanking,
2452                          p_vout->p_sys->i_ss_exposure );
2453     }
2454
2455     /* Disable DPMS */
2456 #ifdef DPMSINFO_IN_DPMS_H
2457     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
2458     {
2459         CARD16 unused;
2460         /* Save DPMS current state */
2461         DPMSInfo( p_vout->p_sys->p_display, &unused,
2462                   &p_vout->p_sys->b_ss_dpms );
2463         DPMSDisable( p_vout->p_sys->p_display );
2464    }
2465 #endif
2466 }
2467
2468 /*****************************************************************************
2469  * CreateCursor: create a blank mouse pointer
2470  *****************************************************************************/
2471 static void CreateCursor( vout_thread_t *p_vout )
2472 {
2473     XColor cursor_color;
2474
2475     p_vout->p_sys->cursor_pixmap =
2476         XCreatePixmap( p_vout->p_sys->p_display,
2477                        DefaultRootWindow( p_vout->p_sys->p_display ),
2478                        1, 1, 1 );
2479
2480     XParseColor( p_vout->p_sys->p_display,
2481                  XCreateColormap( p_vout->p_sys->p_display,
2482                                   DefaultRootWindow(
2483                                                     p_vout->p_sys->p_display ),
2484                                   DefaultVisual(
2485                                                 p_vout->p_sys->p_display,
2486                                                 p_vout->p_sys->i_screen ),
2487                                   AllocNone ),
2488                  "black", &cursor_color );
2489
2490     p_vout->p_sys->blank_cursor =
2491         XCreatePixmapCursor( p_vout->p_sys->p_display,
2492                              p_vout->p_sys->cursor_pixmap,
2493                              p_vout->p_sys->cursor_pixmap,
2494                              &cursor_color, &cursor_color, 1, 1 );
2495 }
2496
2497 /*****************************************************************************
2498  * DestroyCursor: destroy the blank mouse pointer
2499  *****************************************************************************/
2500 static void DestroyCursor( vout_thread_t *p_vout )
2501 {
2502     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
2503 }
2504
2505 /*****************************************************************************
2506  * ToggleCursor: hide or show the mouse pointer
2507  *****************************************************************************
2508  * This function hides the X pointer if it is visible by setting the pointer
2509  * sprite to a blank one. To show it again, we disable the sprite.
2510  *****************************************************************************/
2511 static void ToggleCursor( vout_thread_t *p_vout )
2512 {
2513     if( p_vout->p_sys->b_mouse_pointer_visible )
2514     {
2515         XDefineCursor( p_vout->p_sys->p_display,
2516                        p_vout->p_sys->p_win->base_window,
2517                        p_vout->p_sys->blank_cursor );
2518         p_vout->p_sys->b_mouse_pointer_visible = 0;
2519     }
2520     else
2521     {
2522         XUndefineCursor( p_vout->p_sys->p_display,
2523                          p_vout->p_sys->p_win->base_window );
2524         p_vout->p_sys->b_mouse_pointer_visible = 1;
2525     }
2526 }
2527
2528 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
2529 /*****************************************************************************
2530  * XVideoGetPort: get YUV12 port
2531  *****************************************************************************/
2532 static int XVideoGetPort( vout_thread_t *p_vout,
2533                           vlc_fourcc_t i_chroma, picture_heap_t *p_heap )
2534 {
2535     XvAdaptorInfo *p_adaptor;
2536     unsigned int i;
2537     unsigned int i_adaptor, i_num_adaptors;
2538     int i_requested_adaptor;
2539     int i_selected_port;
2540
2541     switch( XvQueryExtension( p_vout->p_sys->p_display, &i, &i, &i, &i, &i ) )
2542     {
2543         case Success:
2544             break;
2545
2546         case XvBadExtension:
2547             msg_Warn( p_vout, "XvBadExtension" );
2548             return -1;
2549
2550         case XvBadAlloc:
2551             msg_Warn( p_vout, "XvBadAlloc" );
2552             return -1;
2553
2554         default:
2555             msg_Warn( p_vout, "XvQueryExtension failed" );
2556             return -1;
2557     }
2558
2559     switch( XvQueryAdaptors( p_vout->p_sys->p_display,
2560                              DefaultRootWindow( p_vout->p_sys->p_display ),
2561                              &i_num_adaptors, &p_adaptor ) )
2562     {
2563         case Success:
2564             break;
2565
2566         case XvBadExtension:
2567             msg_Warn( p_vout, "XvBadExtension for XvQueryAdaptors" );
2568             return -1;
2569
2570         case XvBadAlloc:
2571             msg_Warn( p_vout, "XvBadAlloc for XvQueryAdaptors" );
2572             return -1;
2573
2574         default:
2575             msg_Warn( p_vout, "XvQueryAdaptors failed" );
2576             return -1;
2577     }
2578
2579     i_selected_port = -1;
2580 #ifdef MODULE_NAME_IS_xvmc
2581     i_requested_adaptor = config_GetInt( p_vout, "xvmc-adaptor" );
2582 #else
2583     i_requested_adaptor = config_GetInt( p_vout, "xvideo-adaptor" );
2584 #endif
2585     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
2586     {
2587         XvImageFormatValues *p_formats;
2588         int i_format, i_num_formats;
2589         int i_port;
2590
2591         /* If we requested an adaptor and it's not this one, we aren't
2592          * interested */
2593         if( i_requested_adaptor != -1 && ((int)i_adaptor != i_requested_adaptor) )
2594         {
2595             continue;
2596         }
2597
2598         /* If the adaptor doesn't have the required properties, skip it */
2599         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
2600             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
2601         {
2602             continue;
2603         }
2604
2605         /* Check that adaptor supports our requested format... */
2606         p_formats = XvListImageFormats( p_vout->p_sys->p_display,
2607                                         p_adaptor[i_adaptor].base_id,
2608                                         &i_num_formats );
2609
2610         for( i_format = 0;
2611              i_format < i_num_formats && ( i_selected_port == -1 );
2612              i_format++ )
2613         {
2614             XvAttribute     *p_attr;
2615             int             i_attr, i_num_attributes;
2616             Atom            autopaint = None, colorkey = None;
2617
2618             /* If this is not the format we want, or at least a
2619              * similar one, forget it */
2620             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
2621             {
2622                 continue;
2623             }
2624
2625             /* Look for the first available port supporting this format */
2626             for( i_port = p_adaptor[i_adaptor].base_id;
2627                  ( i_port < (int)(p_adaptor[i_adaptor].base_id
2628                                    + p_adaptor[i_adaptor].num_ports) )
2629                    && ( i_selected_port == -1 );
2630                  i_port++ )
2631             {
2632                 if( XvGrabPort( p_vout->p_sys->p_display, i_port, CurrentTime )
2633                      == Success )
2634                 {
2635                     i_selected_port = i_port;
2636                     p_heap->i_chroma = p_formats[ i_format ].id;
2637 #if XvVersion > 2 || ( XvVersion == 2 && XvRevision >= 2 )
2638                     p_heap->i_rmask = p_formats[ i_format ].red_mask;
2639                     p_heap->i_gmask = p_formats[ i_format ].green_mask;
2640                     p_heap->i_bmask = p_formats[ i_format ].blue_mask;
2641 #endif
2642                 }
2643             }
2644
2645             /* If no free port was found, forget it */
2646             if( i_selected_port == -1 )
2647             {
2648                 continue;
2649             }
2650
2651             /* If we found a port, print information about it */
2652             msg_Dbg( p_vout, "adaptor %i, port %i, format 0x%x (%4.4s) %s",
2653                      i_adaptor, i_selected_port, p_formats[ i_format ].id,
2654                      (char *)&p_formats[ i_format ].id,
2655                      ( p_formats[ i_format ].format == XvPacked ) ?
2656                          "packed" : "planar" );
2657
2658             /* Use XV_AUTOPAINT_COLORKEY if supported, otherwise we will
2659              * manually paint the colour key */
2660             p_attr = XvQueryPortAttributes( p_vout->p_sys->p_display,
2661                                             i_selected_port,
2662                                             &i_num_attributes );
2663
2664             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
2665             {
2666                 if( !strcmp( p_attr[i_attr].name, "XV_AUTOPAINT_COLORKEY" ) )
2667                 {
2668                     autopaint = XInternAtom( p_vout->p_sys->p_display,
2669                                              "XV_AUTOPAINT_COLORKEY", False );
2670                     XvSetPortAttribute( p_vout->p_sys->p_display,
2671                                         i_selected_port, autopaint, 1 );
2672                 }
2673                 if( !strcmp( p_attr[i_attr].name, "XV_COLORKEY" ) )
2674                 {
2675                     /* Find out the default colour key */
2676                     colorkey = XInternAtom( p_vout->p_sys->p_display,
2677                                             "XV_COLORKEY", False );
2678                     XvGetPortAttribute( p_vout->p_sys->p_display,
2679                                         i_selected_port, colorkey,
2680                                         &p_vout->p_sys->i_colourkey );
2681                 }
2682             }
2683             p_vout->p_sys->b_paint_colourkey =
2684                 autopaint == None && colorkey != None;
2685
2686             if( p_attr != NULL )
2687             {
2688                 XFree( p_attr );
2689             }
2690         }
2691
2692         if( p_formats != NULL )
2693         {
2694             XFree( p_formats );
2695         }
2696
2697     }
2698
2699     if( i_num_adaptors > 0 )
2700     {
2701         XvFreeAdaptorInfo( p_adaptor );
2702     }
2703
2704     if( i_selected_port == -1 )
2705     {
2706         int i_chroma_tmp = X112VLC_FOURCC( i_chroma );
2707         if( i_requested_adaptor == -1 )
2708         {
2709             msg_Warn( p_vout, "no free XVideo port found for format "
2710                       "0x%.8x (%4.4s)", i_chroma_tmp, (char*)&i_chroma_tmp );
2711         }
2712         else
2713         {
2714             msg_Warn( p_vout, "XVideo adaptor %i does not have a free "
2715                       "XVideo port for format 0x%.8x (%4.4s)",
2716                       i_requested_adaptor, i_chroma_tmp, (char*)&i_chroma_tmp );
2717         }
2718     }
2719
2720     return i_selected_port;
2721 }
2722
2723 /*****************************************************************************
2724  * XVideoReleasePort: release YUV12 port
2725  *****************************************************************************/
2726 static void XVideoReleasePort( vout_thread_t *p_vout, int i_port )
2727 {
2728     XvUngrabPort( p_vout->p_sys->p_display, i_port, CurrentTime );
2729 }
2730 #endif
2731
2732 /*****************************************************************************
2733  * InitDisplay: open and initialize X11 device
2734  *****************************************************************************
2735  * Create a window according to video output given size, and set other
2736  * properties according to the display properties.
2737  *****************************************************************************/
2738 static int InitDisplay( vout_thread_t *p_vout )
2739 {
2740 #ifdef MODULE_NAME_IS_x11
2741     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2742     XVisualInfo *               p_xvisual;            /* visuals information */
2743     XVisualInfo                 xvisual_template;         /* visual template */
2744     int                         i_count, i;                    /* array size */
2745 #endif
2746
2747 #ifdef HAVE_SYS_SHM_H
2748     p_vout->p_sys->i_shm_opcode = 0;
2749
2750     if( config_GetInt( p_vout, MODULE_STRING "-shm" ) > 0 )
2751     {
2752         int major, evt, err;
2753
2754         if( XQueryExtension( p_vout->p_sys->p_display, "MIT-SHM", &major,
2755                              &evt, &err )
2756          && XShmQueryExtension( p_vout->p_sys->p_display ) )
2757             p_vout->p_sys->i_shm_opcode = major;
2758
2759         if( p_vout->p_sys->i_shm_opcode )
2760         {
2761             int minor;
2762             Bool pixmaps;
2763
2764             XShmQueryVersion( p_vout->p_sys->p_display, &major, &minor,
2765                               &pixmaps );
2766             msg_Dbg( p_vout, "XShm video extension v%d.%d "
2767                      "(with%s pixmaps, opcode: %d)",
2768                      major, minor, pixmaps ? "" : "out",
2769                      p_vout->p_sys->i_shm_opcode );
2770         }
2771         else
2772             msg_Warn( p_vout, "XShm video extension not available" );
2773     }
2774     else
2775         msg_Dbg( p_vout, "XShm video extension disabled" );
2776 #endif
2777
2778 #ifdef MODULE_NAME_IS_xvideo
2779     /* XXX The brightness and contrast values should be read from environment
2780      * XXX variables... */
2781 #if 0
2782     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2783     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2784 #endif
2785 #endif
2786
2787 #ifdef MODULE_NAME_IS_x11
2788     /* Initialize structure */
2789     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2790
2791     /* Get screen depth */
2792     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2793                                                    p_vout->p_sys->i_screen );
2794     switch( p_vout->p_sys->i_screen_depth )
2795     {
2796     case 8:
2797         /*
2798          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2799          */
2800         xvisual_template.screen =   p_vout->p_sys->i_screen;
2801         xvisual_template.class =    DirectColor;
2802         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2803                                     VisualScreenMask | VisualClassMask,
2804                                     &xvisual_template, &i_count );
2805         if( p_xvisual == NULL )
2806         {
2807             msg_Err( p_vout, "no PseudoColor visual available" );
2808             return VLC_EGENERIC;
2809         }
2810         p_vout->p_sys->i_bytes_per_pixel = 1;
2811         p_vout->output.pf_setpalette = SetPalette;
2812         break;
2813     case 15:
2814     case 16:
2815     case 24:
2816     default:
2817         /*
2818          * Screen depth is higher than 8bpp. TrueColor visual is used.
2819          */
2820         xvisual_template.screen =   p_vout->p_sys->i_screen;
2821         xvisual_template.class =    TrueColor;
2822 /* In some cases, we get a truecolor class adaptor that has a different
2823    color depth. So try to get a real true color one first */
2824         xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
2825
2826         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2827                                     VisualScreenMask | VisualClassMask |
2828                                     VisualDepthMask,
2829                                     &xvisual_template, &i_count );
2830         if( p_xvisual == NULL )
2831         {
2832             msg_Warn( p_vout, "No screen matching the required color depth" );
2833             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2834                                     VisualScreenMask | VisualClassMask,
2835                                     &xvisual_template, &i_count );
2836             if( p_xvisual == NULL )
2837             {
2838
2839                 msg_Err( p_vout, "no TrueColor visual available" );
2840                 return VLC_EGENERIC;
2841             }
2842         }
2843
2844         p_vout->output.i_rmask = p_xvisual->red_mask;
2845         p_vout->output.i_gmask = p_xvisual->green_mask;
2846         p_vout->output.i_bmask = p_xvisual->blue_mask;
2847
2848         /* There is no difference yet between 3 and 4 Bpp. The only way
2849          * to find the actual number of bytes per pixel is to list supported
2850          * pixmap formats. */
2851         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2852         p_vout->p_sys->i_bytes_per_pixel = 0;
2853
2854         for( i = 0; i < i_count; i++ )
2855         {
2856             /* Under XFree4.0, the list contains pixmap formats available
2857              * through all video depths ; so we have to check against current
2858              * depth. */
2859             if( p_formats[i].depth == (int)p_vout->p_sys->i_screen_depth )
2860             {
2861                 if( p_formats[i].bits_per_pixel / 8
2862                         > (int)p_vout->p_sys->i_bytes_per_pixel )
2863                 {
2864                     p_vout->p_sys->i_bytes_per_pixel =
2865                         p_formats[i].bits_per_pixel / 8;
2866                 }
2867             }
2868         }
2869         if( p_formats ) XFree( p_formats );
2870
2871         break;
2872     }
2873     p_vout->p_sys->p_visual = p_xvisual->visual;
2874     XFree( p_xvisual );
2875 #endif
2876
2877     return VLC_SUCCESS;
2878 }
2879
2880 #ifndef MODULE_NAME_IS_glx
2881
2882 #ifdef HAVE_SYS_SHM_H
2883 /*****************************************************************************
2884  * CreateShmImage: create an XImage or XvImage using shared memory extension
2885  *****************************************************************************
2886  * Prepare an XImage or XvImage for display function.
2887  * The order of the operations respects the recommandations of the mit-shm
2888  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2889  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2890  *****************************************************************************/
2891 IMAGE_TYPE * CreateShmImage( vout_thread_t *p_vout,
2892                                     Display* p_display, EXTRA_ARGS_SHM,
2893                                     int i_width, int i_height )
2894 {
2895     IMAGE_TYPE *p_image;
2896     Status result;
2897
2898     /* Create XImage / XvImage */
2899 #ifdef MODULE_NAME_IS_xvideo
2900     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2901                                 i_width, i_height, p_shm );
2902 #elif defined(MODULE_NAME_IS_xvmc)
2903     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2904                                 i_width, i_height, p_shm );
2905 #else
2906     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2907                                p_shm, i_width, i_height );
2908 #endif
2909     if( p_image == NULL )
2910     {
2911         msg_Err( p_vout, "image creation failed" );
2912         return NULL;
2913     }
2914
2915     /* For too big image, the buffer returned is sometimes too small, prevent
2916      * VLC to segfault because of it
2917      * FIXME is it normal ? Is there a way to detect it
2918      * before (XvQueryBestSize did not) ? */
2919     if( p_image->width < i_width || p_image->height < i_height )
2920     {
2921         msg_Err( p_vout, "cannot allocate shared image data with the right size "
2922                          "(%dx%d instead of %dx%d)",
2923                          p_image->width, p_image->height,
2924                          i_width, i_height );
2925         IMAGE_FREE( p_image );
2926         return NULL;
2927     }
2928
2929     /* Allocate shared memory segment - 0776 set the access permission
2930      * rights (like umask), they are not yet supported by all X servers */
2931     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2932     if( p_shm->shmid < 0 )
2933     {
2934         msg_Err( p_vout, "cannot allocate shared image data (%m)" );
2935         IMAGE_FREE( p_image );
2936         return NULL;
2937     }
2938
2939     /* Attach shared memory segment to process (read/write) */
2940     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2941     if(! p_shm->shmaddr )
2942     {
2943         msg_Err( p_vout, "cannot attach shared memory (%m)" );
2944         IMAGE_FREE( p_image );
2945         shmctl( p_shm->shmid, IPC_RMID, 0 );
2946         return NULL;
2947     }
2948
2949     /* Read-only data. We won't be using XShmGetImage */
2950     p_shm->readOnly = True;
2951
2952     /* Attach shared memory segment to X server */
2953     XSynchronize( p_display, True );
2954     i_shm_major = p_vout->p_sys->i_shm_opcode;
2955     result = XShmAttach( p_display, p_shm );
2956     if( result == False || !i_shm_major )
2957     {
2958         msg_Err( p_vout, "cannot attach shared memory to X server" );
2959         IMAGE_FREE( p_image );
2960         shmctl( p_shm->shmid, IPC_RMID, 0 );
2961         shmdt( p_shm->shmaddr );
2962         return NULL;
2963     }
2964     XSynchronize( p_display, False );
2965
2966     /* Send image to X server. This instruction is required, since having
2967      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2968      * and remember NOT to use XFlush ! */
2969     XSync( p_display, False );
2970
2971 #if 0
2972     /* Mark the shm segment to be removed when there are no more
2973      * attachements, so it is automatic on process exit or after shmdt */
2974     shmctl( p_shm->shmid, IPC_RMID, 0 );
2975 #endif
2976
2977     return p_image;
2978 }
2979 #endif
2980
2981 /*****************************************************************************
2982  * CreateImage: create an XImage or XvImage
2983  *****************************************************************************
2984  * Create a simple image used as a buffer.
2985  *****************************************************************************/
2986 static IMAGE_TYPE * CreateImage( vout_thread_t *p_vout,
2987                                  Display *p_display, EXTRA_ARGS,
2988                                  int i_width, int i_height )
2989 {
2990     uint8_t *    p_data;                          /* image data storage zone */
2991     IMAGE_TYPE *p_image;
2992 #ifdef MODULE_NAME_IS_x11
2993     int         i_quantum;                     /* XImage quantum (see below) */
2994     int         i_bytes_per_line;
2995 #endif
2996
2997     /* Allocate memory for image */
2998 #ifdef MODULE_NAME_IS_xvideo
2999     p_data = malloc( i_width * i_height * i_bits_per_pixel / 8 );
3000 #elif defined(MODULE_NAME_IS_x11)
3001     i_bytes_per_line = i_width * i_bytes_per_pixel;
3002     p_data = malloc( i_bytes_per_line * i_height );
3003 #endif
3004     if( !p_data )
3005         return NULL;
3006
3007 #ifdef MODULE_NAME_IS_x11
3008     /* Optimize the quantum of a scanline regarding its size - the quantum is
3009        a diviser of the number of bits between the start of two scanlines. */
3010     if( i_bytes_per_line & 0xf )
3011     {
3012         i_quantum = 0x8;
3013     }
3014     else if( i_bytes_per_line & 0x10 )
3015     {
3016         i_quantum = 0x10;
3017     }
3018     else
3019     {
3020         i_quantum = 0x20;
3021     }
3022 #endif
3023
3024     /* Create XImage. p_data will be automatically freed */
3025 #ifdef MODULE_NAME_IS_xvideo
3026     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
3027                              (char *)p_data, i_width, i_height );
3028 #elif defined(MODULE_NAME_IS_x11)
3029     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
3030                             (char *)p_data, i_width, i_height, i_quantum, 0 );
3031 #endif
3032     if( p_image == NULL )
3033     {
3034         msg_Err( p_vout, "XCreateImage() failed" );
3035         free( p_data );
3036         return NULL;
3037     }
3038
3039     return p_image;
3040 }
3041
3042 #endif
3043 /*****************************************************************************
3044  * X11ErrorHandler: replace error handler so we can intercept some of them
3045  *****************************************************************************/
3046 static int X11ErrorHandler( Display * display, XErrorEvent * event )
3047 {
3048     char txt[1024];
3049
3050     XGetErrorText( display, event->error_code, txt, sizeof( txt ) );
3051     fprintf( stderr,
3052              "[????????] x11 video output error: X11 request %u.%u failed "
3053               "with error code %u:\n %s\n",
3054              event->request_code, event->minor_code, event->error_code, txt );
3055
3056     switch( event->request_code )
3057     {
3058     case X_SetInputFocus:
3059         /* Ignore errors on XSetInputFocus()
3060          * (they happen when a window is not yet mapped) */
3061         return 0;
3062     }
3063
3064 #ifdef HAVE_SYS_SHM_H
3065     if( event->request_code == i_shm_major ) /* MIT-SHM */
3066     {
3067         fprintf( stderr,
3068                  "[????????] x11 video output notice:"
3069                  " buggy X11 server claims shared memory\n"
3070                  "[????????] x11 video output notice:"
3071                  " support though it does not work (OpenSSH?)\n" );
3072         return i_shm_major = 0;
3073     }
3074 #endif
3075
3076 #ifndef HAVE_OSSO
3077     XSetErrorHandler(NULL);
3078     return (XSetErrorHandler(X11ErrorHandler))( display, event );
3079 #else
3080     /* Work-around Maemo Xvideo bug */
3081     return 0;
3082 #endif
3083 }
3084
3085 #ifdef MODULE_NAME_IS_x11
3086 /*****************************************************************************
3087  * SetPalette: sets an 8 bpp palette
3088  *****************************************************************************
3089  * This function sets the palette given as an argument. It does not return
3090  * anything, but could later send information on which colors it was unable
3091  * to set.
3092  *****************************************************************************/
3093 static void SetPalette( vout_thread_t *p_vout,
3094                         uint16_t *red, uint16_t *green, uint16_t *blue )
3095 {
3096     int i;
3097     XColor p_colors[255];
3098
3099     /* allocate palette */
3100     for( i = 0; i < 255; i++ )
3101     {
3102         /* kludge: colors are indexed reversely because color 255 seems
3103          * to be reserved for black even if we try to set it to white */
3104         p_colors[ i ].pixel = 255 - i;
3105         p_colors[ i ].pad   = 0;
3106         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
3107         p_colors[ i ].red   = red[ 255 - i ];
3108         p_colors[ i ].blue  = blue[ 255 - i ];
3109         p_colors[ i ].green = green[ 255 - i ];
3110     }
3111
3112     XStoreColors( p_vout->p_sys->p_display,
3113                   p_vout->p_sys->colormap, p_colors, 255 );
3114 }
3115 #endif
3116
3117 /*****************************************************************************
3118  * Control: control facility for the vout
3119  *****************************************************************************/
3120 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
3121 {
3122     bool b_arg;
3123     unsigned int i_width, i_height;
3124
3125     switch( i_query )
3126     {
3127         case VOUT_SET_SIZE:
3128             if( p_vout->p_sys->p_win->owner_window )
3129                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3130                                            i_query, args);
3131
3132             i_width  = va_arg( args, unsigned int );
3133             i_height = va_arg( args, unsigned int );
3134             if( !i_width ) i_width = p_vout->i_window_width;
3135             if( !i_height ) i_height = p_vout->i_window_height;
3136
3137 #ifdef MODULE_NAME_IS_xvmc
3138             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3139 #endif
3140             /* Update dimensions */
3141             XResizeWindow( p_vout->p_sys->p_display,
3142                            p_vout->p_sys->p_win->base_window,
3143                            i_width, i_height );
3144 #ifdef MODULE_NAME_IS_xvmc
3145             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3146 #endif
3147             return VLC_SUCCESS;
3148
3149         case VOUT_SET_STAY_ON_TOP:
3150             if( p_vout->p_sys->p_win->owner_window )
3151                 return vout_ControlWindow( p_vout->p_sys->p_win->owner_window,
3152                                            i_query, args);
3153
3154             b_arg = (bool) va_arg( args, int );
3155 #ifdef MODULE_NAME_IS_xvmc
3156             xvmc_context_reader_lock( &p_vout->p_sys->xvmc_lock );
3157 #endif
3158             WindowOnTop( p_vout, b_arg );
3159 #ifdef MODULE_NAME_IS_xvmc
3160             xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
3161 #endif
3162             return VLC_SUCCESS;
3163
3164        default:
3165             return VLC_EGENERIC;
3166     }
3167 }
3168
3169 /*****************************************************************************
3170  * TestNetWMSupport: tests for Extended Window Manager Hints support
3171  *****************************************************************************/
3172 static void TestNetWMSupport( vout_thread_t *p_vout )
3173 {
3174     int i_ret, i_format;
3175     unsigned long i, i_items, i_bytesafter;
3176     Atom net_wm_supported;
3177     union { Atom *p_atom; unsigned char *p_char; } p_args;
3178
3179     p_args.p_atom = NULL;
3180
3181     p_vout->p_sys->b_net_wm_state_fullscreen =
3182     p_vout->p_sys->b_net_wm_state_above =
3183     p_vout->p_sys->b_net_wm_state_below =
3184     p_vout->p_sys->b_net_wm_state_stays_on_top =
3185         false;
3186
3187     net_wm_supported =
3188         XInternAtom( p_vout->p_sys->p_display, "_NET_SUPPORTED", False );
3189
3190     i_ret = XGetWindowProperty( p_vout->p_sys->p_display,
3191                                 DefaultRootWindow( p_vout->p_sys->p_display ),
3192                                 net_wm_supported,
3193                                 0, 16384, False, AnyPropertyType,
3194                                 &net_wm_supported,
3195                                 &i_format, &i_items, &i_bytesafter,
3196                                 (unsigned char **)&p_args );
3197
3198     if( i_ret != Success || i_items == 0 ) return;
3199
3200     msg_Dbg( p_vout, "Window manager supports NetWM" );
3201
3202     p_vout->p_sys->net_wm_state =
3203         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE", False );
3204     p_vout->p_sys->net_wm_state_fullscreen =
3205         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_FULLSCREEN",
3206                      False );
3207     p_vout->p_sys->net_wm_state_above =
3208         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_ABOVE", False );
3209     p_vout->p_sys->net_wm_state_below =
3210         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_BELOW", False );
3211     p_vout->p_sys->net_wm_state_stays_on_top =
3212         XInternAtom( p_vout->p_sys->p_display, "_NET_WM_STATE_STAYS_ON_TOP",
3213                      False );
3214
3215     for( i = 0; i < i_items; i++ )
3216     {
3217         if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_fullscreen )
3218         {
3219             msg_Dbg( p_vout,
3220                      "Window manager supports _NET_WM_STATE_FULLSCREEN" );
3221             p_vout->p_sys->b_net_wm_state_fullscreen = true;
3222         }
3223         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_above )
3224         {
3225             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_ABOVE" );
3226             p_vout->p_sys->b_net_wm_state_above = true;
3227         }
3228         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_below )
3229         {
3230             msg_Dbg( p_vout, "Window manager supports _NET_WM_STATE_BELOW" );
3231             p_vout->p_sys->b_net_wm_state_below = true;
3232         }
3233         else if( p_args.p_atom[i] == p_vout->p_sys->net_wm_state_stays_on_top )
3234         {
3235             msg_Dbg( p_vout,
3236                      "Window manager supports _NET_WM_STATE_STAYS_ON_TOP" );
3237             p_vout->p_sys->b_net_wm_state_stays_on_top = true;
3238         }
3239     }
3240
3241     XFree( p_args.p_atom );
3242 }
3243
3244 /*****************************************************************************
3245  * Key events handling
3246  *****************************************************************************/
3247 static const struct
3248 {
3249     int i_x11key;
3250     int i_vlckey;
3251
3252 } x11keys_to_vlckeys[] =
3253 {
3254     { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
3255     { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
3256     { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
3257     { XK_F12, KEY_F12 },
3258
3259     { XK_Return, KEY_ENTER },
3260     { XK_KP_Enter, KEY_ENTER },
3261     { XK_space, KEY_SPACE },
3262     { XK_Escape, KEY_ESC },
3263
3264     { XK_Menu, KEY_MENU },
3265     { XK_Left, KEY_LEFT },
3266     { XK_Right, KEY_RIGHT },
3267     { XK_Up, KEY_UP },
3268     { XK_Down, KEY_DOWN },
3269
3270     { XK_Home, KEY_HOME },
3271     { XK_End, KEY_END },
3272     { XK_Page_Up, KEY_PAGEUP },
3273     { XK_Page_Down, KEY_PAGEDOWN },
3274
3275     { XK_Insert, KEY_INSERT },
3276     { XK_Delete, KEY_DELETE },
3277     { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
3278     { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
3279     { XF86XK_AudioMute, KEY_VOLUME_MUTE },
3280     { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
3281     { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
3282     { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
3283     { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
3284
3285     { 0, 0 }
3286 };
3287
3288 static int ConvertKey( int i_key )
3289 {
3290     int i;
3291
3292     for( i = 0; x11keys_to_vlckeys[i].i_x11key != 0; i++ )
3293     {
3294         if( x11keys_to_vlckeys[i].i_x11key == i_key )
3295         {
3296             return x11keys_to_vlckeys[i].i_vlckey;
3297         }
3298     }
3299
3300     return 0;
3301 }
3302
3303 /*****************************************************************************
3304  * WindowOnTop: Switches the "always on top" state of the video window.
3305  *****************************************************************************/
3306 static int WindowOnTop( vout_thread_t *p_vout, bool b_on_top )
3307 {
3308     XClientMessageEvent event;
3309
3310     memset( &event, 0, sizeof( XClientMessageEvent ) );
3311     event.type = ClientMessage;
3312     event.message_type = p_vout->p_sys->net_wm_state;
3313     event.display = p_vout->p_sys->p_display;
3314     event.window = p_vout->p_sys->p_win->base_window;
3315     event.format = 32;
3316     event.data.l[ 0 ] = b_on_top; /* set property */
3317
3318     if( p_vout->p_sys->b_net_wm_state_stays_on_top )
3319         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_stays_on_top;
3320     else if( p_vout->p_sys->b_net_wm_state_above )
3321         /* use _NET_WM_STATE_ABOVE if window manager
3322          * doesn't handle _NET_WM_STATE_STAYS_ON_TOP */
3323         event.data.l[ 1 ] = p_vout->p_sys->net_wm_state_above;
3324     else
3325         return VLC_EGENERIC;
3326
3327     XSendEvent( p_vout->p_sys->p_display,
3328                 DefaultRootWindow( p_vout->p_sys->p_display ),
3329                 False, SubstructureRedirectMask,
3330                 (XEvent*)&event );
3331     return VLC_SUCCESS;
3332 }