git.sesse.net Git - vlc/blob - plugins/x11/xcommon.c

   1 /*****************************************************************************
   2  * xcommon.c: Functions common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2001 VideoLAN
   5  * $Id: xcommon.c,v 1.29 2002/04/28 11:56:13 sam Exp $
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Samuel Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@netcourrier.com>
  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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #include <errno.h>                                                 /* ENOMEM */
  31 #include <stdlib.h>                                                /* free() */
  32 #include <string.h>                                            /* strerror() */
  33
  34 #include <videolan/vlc.h>
  35
  36 #ifdef HAVE_MACHINE_PARAM_H
  37     /* BSD */
  38 #   include <machine/param.h>
  39 #   include <sys/types.h>                                  /* typedef ushort */
  40 #   include <sys/ipc.h>
  41 #endif
  42
  43 #ifndef WIN32
  44 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  45 #endif
  46
  47 #ifdef HAVE_SYS_SHM_H
  48 #   include <sys/shm.h>                                /* shmget(), shmctl() */
  49 #endif
  50
  51 #include <X11/Xlib.h>
  52 #include <X11/Xutil.h>
  53 #include <X11/keysym.h>
  54 #ifdef HAVE_SYS_SHM_H
  55 #   include <X11/extensions/XShm.h>
  56 #endif
  57 #ifdef DPMSINFO_IN_DPMS_H
  58 #   include <X11/extensions/dpms.h>
  59 #endif
  60
  61 #ifdef MODULE_NAME_IS_xvideo
  62 #   include <X11/extensions/Xv.h>
  63 #   include <X11/extensions/Xvlib.h>
  64 #endif
  65
  66 #include "video.h"
  67 #include "video_output.h"
  68 #include "xcommon.h"
  69
  70 #include "interface.h"
  71 #include "netutils.h"                                 /* network_ChannelJoin */
  72
  73 #include "stream_control.h"                 /* needed by input_ext-intf.h... */
  74 #include "input_ext-intf.h"
  75
  76 #ifdef MODULE_NAME_IS_xvideo
  77 #   define IMAGE_TYPE     XvImage
  78 #   define EXTRA_ARGS     int i_xvport, int i_chroma
  79 #   define EXTRA_ARGS_SHM int i_xvport, int i_chroma, XShmSegmentInfo *p_shm
  80 #   define DATA_SIZE(p)   (p)->data_size
  81 #   define IMAGE_FREE     XFree      /* There is nothing like XvDestroyImage */
  82 #else
  83 #   define IMAGE_TYPE     XImage
  84 #   define EXTRA_ARGS     Visual *p_visual, int i_depth, int i_bytes_per_pixel
  85 #   define EXTRA_ARGS_SHM Visual *p_visual, int i_depth, XShmSegmentInfo *p_shm
  86 #   define DATA_SIZE(p)   ((p)->bytes_per_line * (p)->height)
  87 #   define IMAGE_FREE     XDestroyImage
  88 #endif
  89
  90 /*****************************************************************************
  91  * Local prototypes
  92  *****************************************************************************/
  93 static int  vout_Create    ( vout_thread_t * );
  94 static void vout_Destroy   ( vout_thread_t * );
  95 static void vout_Render    ( vout_thread_t *, picture_t * );
  96 static void vout_Display   ( vout_thread_t *, picture_t * );
  97 static int  vout_Manage    ( vout_thread_t * );
  98 static int  vout_Init      ( vout_thread_t * );
  99 static void vout_End       ( vout_thread_t * );
 100
 101 static int  InitDisplay    ( vout_thread_t * );
 102
 103 static int  CreateWindow   ( vout_thread_t * );
 104 static void DestroyWindow  ( vout_thread_t * );
 105
 106 static int  NewPicture     ( vout_thread_t *, picture_t * );
 107 static void FreePicture    ( vout_thread_t *, picture_t * );
 108
 109 static IMAGE_TYPE *CreateImage    ( Display *, EXTRA_ARGS, int, int );
 110 #ifdef HAVE_SYS_SHM_H
 111 static IMAGE_TYPE *CreateShmImage ( Display *, EXTRA_ARGS_SHM, int, int );
 112 #endif
 113
 114 static void ToggleFullScreen      ( vout_thread_t * );
 115
 116 static void EnableXScreenSaver    ( vout_thread_t * );
 117 static void DisableXScreenSaver   ( vout_thread_t * );
 118
 119 static void CreateCursor   ( vout_thread_t * );
 120 static void DestroyCursor  ( vout_thread_t * );
 121 static void ToggleCursor   ( vout_thread_t * );
 122
 123 #ifdef MODULE_NAME_IS_xvideo
 124 static int  XVideoGetPort         ( Display *, u32, u32 * );
 125 static void XVideoReleasePort     ( Display *, int );
 126 #endif
 127
 128 #ifdef MODULE_NAME_IS_x11
 129 static void SetPalette     ( vout_thread_t *, u16 *, u16 *, u16 * );
 130 #endif
 131
 132 /*****************************************************************************
 133  * vout_sys_t: video output method descriptor
 134  *****************************************************************************
 135  * This structure is part of the video output thread descriptor.
 136  * It describes the X11 and XVideo specific properties of an output thread.
 137  *****************************************************************************/
 138 typedef struct vout_sys_s
 139 {
 140     /* Internal settings and properties */
 141     Display *           p_display;                        /* display pointer */
 142
 143     Visual *            p_visual;                          /* visual pointer */
 144     int                 i_screen;                           /* screen number */
 145     Window              window;                               /* root window */
 146     GC                  gc;              /* graphic context instance handler */
 147
 148 #ifdef HAVE_SYS_SHM_H
 149     boolean_t           b_shm;               /* shared memory extension flag */
 150 #endif
 151
 152 #ifdef MODULE_NAME_IS_xvideo
 153     Window              yuv_window;   /* sub-window for displaying yuv video
 154                                                                         data */
 155     int                 i_xvport;
 156 #else
 157     Colormap            colormap;               /* colormap used (8bpp only) */
 158
 159     int                 i_screen_depth;
 160     int                 i_bytes_per_pixel;
 161     int                 i_bytes_per_line;
 162 #endif
 163
 164     /* X11 generic properties */
 165     Atom                wm_protocols;
 166     Atom                wm_delete_window;
 167
 168     int                 i_width;                     /* width of main window */
 169     int                 i_height;                   /* height of main window */
 170     boolean_t           b_altfullscreen;          /* which fullscreen method */
 171
 172     /* Backup of window position and size before fullscreen switch */
 173     int                 i_width_backup;
 174     int                 i_height_backup;
 175     int                 i_xpos_backup;
 176     int                 i_ypos_backup;
 177     int                 i_width_backup_2;
 178     int                 i_height_backup_2;
 179     int                 i_xpos_backup_2;
 180     int                 i_ypos_backup_2;
 181
 182     /* Screen saver properties */
 183     int                 i_ss_timeout;                             /* timeout */
 184     int                 i_ss_interval;           /* interval between changes */
 185     int                 i_ss_blanking;                      /* blanking mode */
 186     int                 i_ss_exposure;                      /* exposure mode */
 187 #ifdef DPMSINFO_IN_DPMS_H
 188     BOOL                b_ss_dpms;                              /* DPMS mode */
 189 #endif
 190
 191     /* Mouse pointer properties */
 192     boolean_t           b_mouse_pointer_visible;
 193     mtime_t             i_time_mouse_last_moved; /* used to auto-hide pointer*/
 194     Cursor              blank_cursor;                   /* the hidden cursor */
 195     Pixmap              cursor_pixmap;
 196
 197 } vout_sys_t;
 198
 199 /*****************************************************************************
 200  * picture_sys_t: direct buffer method descriptor
 201  *****************************************************************************
 202  * This structure is part of the picture descriptor, it describes the
 203  * XVideo specific properties of a direct buffer.
 204  *****************************************************************************/
 205 typedef struct picture_sys_s
 206 {
 207     IMAGE_TYPE *        p_image;
 208
 209 #ifdef HAVE_SYS_SHM_H
 210     XShmSegmentInfo     shminfo;       /* shared memory zone information */
 211 #endif
 212
 213 } picture_sys_t;
 214
 215 /*****************************************************************************
 216  * mwmhints_t: window manager hints
 217  *****************************************************************************
 218  * Fullscreen needs to be able to hide the wm decorations so we provide
 219  * this structure to make it easier.
 220  *****************************************************************************/
 221 #define MWM_HINTS_DECORATIONS   (1L << 1)
 222 #define PROP_MWM_HINTS_ELEMENTS 5
 223 typedef struct mwmhints_s
 224 {
 225     u32 flags;
 226     u32 functions;
 227     u32 decorations;
 228     s32 input_mode;
 229     u32 status;
 230 } mwmhints_t;
 231
 232 /*****************************************************************************
 233  * Chroma defines
 234  *****************************************************************************/
 235 #ifdef MODULE_NAME_IS_xvideo
 236 #   define MAX_DIRECTBUFFERS 10
 237 #else
 238 #   define MAX_DIRECTBUFFERS 2
 239 #endif
 240
 241 /*****************************************************************************
 242  * Seeking function TODO: put this in a generic location !
 243  *****************************************************************************/
 244 static __inline__ void vout_Seek( off_t i_seek )
 245 {
 246     off_t i_tell;
 247
 248     vlc_mutex_lock( &p_input_bank->lock );
 249     if( p_input_bank->pp_input[0] != NULL )
 250     {
 251 #define S p_input_bank->pp_input[0]->stream
 252         i_tell = S.p_selected_area->i_tell + i_seek * (off_t)50 * S.i_mux_rate;
 253
 254         i_tell = ( i_tell <= 0 /*S.p_selected_area->i_start*/ )
 255                    ? 0 /*S.p_selected_area->i_start*/
 256                    : ( i_tell >= S.p_selected_area->i_size )
 257                        ? S.p_selected_area->i_size
 258                        : i_tell;
 259
 260         input_Seek( p_input_bank->pp_input[0], i_tell );
 261 #undef S
 262     }
 263     vlc_mutex_unlock( &p_input_bank->lock );
 264 }
 265
 266 /*****************************************************************************
 267  * Functions exported as capabilities. They are declared as static so that
 268  * we don't pollute the namespace too much.
 269  *****************************************************************************/
 270 void _M( vout_getfunctions )( function_list_t * p_function_list )
 271 {
 272     p_function_list->functions.vout.pf_create     = vout_Create;
 273     p_function_list->functions.vout.pf_init       = vout_Init;
 274     p_function_list->functions.vout.pf_end        = vout_End;
 275     p_function_list->functions.vout.pf_destroy    = vout_Destroy;
 276     p_function_list->functions.vout.pf_manage     = vout_Manage;
 277     p_function_list->functions.vout.pf_render     = vout_Render;
 278     p_function_list->functions.vout.pf_display    = vout_Display;
 279 }
 280
 281 /*****************************************************************************
 282  * vout_Create: allocate X11 video thread output method
 283  *****************************************************************************
 284  * This function allocate and initialize a X11 vout method. It uses some of the
 285  * vout properties to choose the window size, and change them according to the
 286  * actual properties of the display.
 287  *****************************************************************************/
 288 static int vout_Create( vout_thread_t *p_vout )
 289 {
 290     char *psz_display;
 291
 292     /* Allocate structure */
 293     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 294     if( p_vout->p_sys == NULL )
 295     {
 296         intf_ErrMsg( "vout error: %s", strerror(ENOMEM) );
 297         return( 1 );
 298     }
 299
 300     /* Open display, unsing the "display" config variable or the DISPLAY
 301      * environment variable */
 302     psz_display = config_GetPszVariable( MODULE_STRING "-display" );
 303
 304     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 305
 306     if( p_vout->p_sys->p_display == NULL )                          /* error */
 307     {
 308         intf_ErrMsg( "vout error: cannot open display %s",
 309                      XDisplayName( psz_display ) );
 310         free( p_vout->p_sys );
 311         if( psz_display ) free( psz_display );
 312         return( 1 );
 313     }
 314     if( psz_display ) free( psz_display );
 315
 316     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 317
 318 #ifdef MODULE_NAME_IS_xvideo
 319     /* Check that we have access to an XVideo port providing this chroma */
 320     p_vout->p_sys->i_xvport = XVideoGetPort( p_vout->p_sys->p_display,
 321                                              p_vout->render.i_chroma,
 322                                              &p_vout->output.i_chroma );
 323     if( p_vout->p_sys->i_xvport < 0 )
 324     {
 325         /* It failed, but it's not completely lost ! We try to open an
 326          * XVideo port for an YUY2 picture. We'll need to do an YUV
 327          * conversion, but at least it has got scaling. */
 328         p_vout->p_sys->i_xvport = XVideoGetPort( p_vout->p_sys->p_display,
 329                                                  FOURCC_YUY2,
 330                                                  &p_vout->output.i_chroma );
 331         if( p_vout->p_sys->i_xvport < 0 )
 332         {
 333             /* It failed, but it's not completely lost ! We try to open an
 334              * XVideo port for a simple 16bpp RGB picture. We'll need to do
 335              * an YUV conversion, but at least it has got scaling. */
 336             p_vout->p_sys->i_xvport = XVideoGetPort( p_vout->p_sys->p_display,
 337                                                      FOURCC_RV16,
 338                                                      &p_vout->output.i_chroma );
 339             if( p_vout->p_sys->i_xvport < 0 )
 340             {
 341                 XCloseDisplay( p_vout->p_sys->p_display );
 342                 free( p_vout->p_sys );
 343                 return 1;
 344             }
 345         }
 346     }
 347 #endif
 348
 349     /* Create blank cursor (for mouse cursor autohiding) */
 350     p_vout->p_sys->i_time_mouse_last_moved = mdate();
 351     p_vout->p_sys->b_mouse_pointer_visible = 1;
 352     CreateCursor( p_vout );
 353
 354     /* Spawn base window - this window will include the video output window,
 355      * but also command buttons, subtitles and other indicators */
 356     if( CreateWindow( p_vout ) )
 357     {
 358         intf_ErrMsg( "vout error: cannot create X11 window" );
 359         DestroyCursor( p_vout );
 360         XCloseDisplay( p_vout->p_sys->p_display );
 361         free( p_vout->p_sys );
 362         return( 1 );
 363     }
 364
 365     /* Open and initialize device. */
 366     if( InitDisplay( p_vout ) )
 367     {
 368         intf_ErrMsg( "vout error: cannot initialize X11 display" );
 369         DestroyCursor( p_vout );
 370         DestroyWindow( p_vout );
 371         XCloseDisplay( p_vout->p_sys->p_display );
 372         free( p_vout->p_sys );
 373         return( 1 );
 374     }
 375
 376     /* Disable screen saver */
 377     DisableXScreenSaver( p_vout );
 378
 379     /* Misc init */
 380     p_vout->p_sys->b_altfullscreen = 0;
 381
 382     return( 0 );
 383 }
 384
 385 /*****************************************************************************
 386  * vout_Destroy: destroy X11 video thread output method
 387  *****************************************************************************
 388  * Terminate an output method created by vout_CreateOutputMethod
 389  *****************************************************************************/
 390 static void vout_Destroy( vout_thread_t *p_vout )
 391 {
 392     /* Restore cursor if it was blanked */
 393     if( !p_vout->p_sys->b_mouse_pointer_visible )
 394     {
 395         ToggleCursor( p_vout );
 396     }
 397
 398 #ifdef MODULE_NAME_IS_x11
 399     /* Destroy colormap */
 400     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
 401     {
 402         XFreeColormap( p_vout->p_sys->p_display, p_vout->p_sys->colormap );
 403     }
 404 #else
 405     XVideoReleasePort( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport );
 406 #endif
 407
 408     DestroyCursor( p_vout );
 409     EnableXScreenSaver( p_vout );
 410     DestroyWindow( p_vout );
 411
 412     XCloseDisplay( p_vout->p_sys->p_display );
 413
 414     /* Destroy structure */
 415     free( p_vout->p_sys );
 416 }
 417
 418 /*****************************************************************************
 419  * vout_Init: initialize X11 video thread output method
 420  *****************************************************************************
 421  * This function create the XImages needed by the output thread. It is called
 422  * at the beginning of the thread, but also each time the window is resized.
 423  *****************************************************************************/
 424 static int vout_Init( vout_thread_t *p_vout )
 425 {
 426     int i_index;
 427     picture_t *p_pic;
 428
 429     I_OUTPUTPICTURES = 0;
 430
 431 #ifdef MODULE_NAME_IS_xvideo
 432     /* Initialize the output structure; we already found an XVideo port,
 433      * and the corresponding chroma we will be using. Since we can
 434      * arbitrary scale, stick to the coordinates and aspect. */
 435     p_vout->output.i_width  = p_vout->render.i_width;
 436     p_vout->output.i_height = p_vout->render.i_height;
 437     p_vout->output.i_aspect = p_vout->render.i_aspect;
 438
 439     switch( p_vout->output.i_chroma )
 440     {
 441         case FOURCC_RV15:
 442             p_vout->output.i_rmask = 0x001f;
 443             p_vout->output.i_gmask = 0x07e0;
 444             p_vout->output.i_bmask = 0xf800;
 445             break;
 446         case FOURCC_RV16:
 447             p_vout->output.i_rmask = 0x001f;
 448             p_vout->output.i_gmask = 0x03e0;
 449             p_vout->output.i_bmask = 0x7c00;
 450             break;
 451     }
 452
 453 #else
 454     /* Initialize the output structure: RGB with square pixels, whatever
 455      * the input format is, since it's the only format we know */
 456     switch( p_vout->p_sys->i_screen_depth )
 457     {
 458         case 8: /* FIXME: set the palette */
 459             p_vout->output.i_chroma = FOURCC_RGB2; break;
 460         case 15:
 461             p_vout->output.i_chroma = FOURCC_RV15; break;
 462         case 16:
 463             p_vout->output.i_chroma = FOURCC_RV16; break;
 464         case 24:
 465             p_vout->output.i_chroma = FOURCC_RV24; break;
 466         case 32:
 467             p_vout->output.i_chroma = FOURCC_RV24; break;
 468         default:
 469             intf_ErrMsg( "vout error: unknown screen depth" );
 470             return( 0 );
 471     }
 472
 473     p_vout->output.i_width = p_vout->p_sys->i_width;
 474     p_vout->output.i_height = p_vout->p_sys->i_height;
 475
 476     /* Assume we have square pixels */
 477     p_vout->output.i_aspect = p_vout->p_sys->i_width
 478                                * VOUT_ASPECT_FACTOR / p_vout->p_sys->i_height;
 479 #endif
 480
 481     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 482     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 483     {
 484         p_pic = NULL;
 485
 486         /* Find an empty picture slot */
 487         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 488         {
 489             if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 490             {
 491                 p_pic = p_vout->p_picture + i_index;
 492                 break;
 493             }
 494         }
 495
 496         /* Allocate the picture */
 497         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 498         {
 499             break;
 500         }
 501
 502         p_pic->i_status = DESTROYED_PICTURE;
 503         p_pic->i_type   = DIRECT_PICTURE;
 504
 505         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 506
 507         I_OUTPUTPICTURES++;
 508     }
 509
 510     return( 0 );
 511 }
 512
 513 /*****************************************************************************
 514  * vout_Render: render previously calculated output
 515  *****************************************************************************/
 516 static void vout_Render( vout_thread_t *p_vout, picture_t *p_pic )
 517 {
 518     ;
 519 }
 520
 521  /*****************************************************************************
 522  * vout_Display: displays previously rendered output
 523  *****************************************************************************
 524  * This function sends the currently rendered image to X11 server.
 525  * (The Xv extension takes care of "double-buffering".)
 526  *****************************************************************************/
 527 static void vout_Display( vout_thread_t *p_vout, picture_t *p_pic )
 528 {
 529     int i_width, i_height, i_x, i_y;
 530
 531     vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
 532                        &i_x, &i_y, &i_width, &i_height );
 533
 534 #ifdef HAVE_SYS_SHM_H
 535     if( p_vout->p_sys->b_shm )
 536     {
 537         /* Display rendered image using shared memory extension */
 538 #   ifdef MODULE_NAME_IS_xvideo
 539         XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 540                        p_vout->p_sys->yuv_window, p_vout->p_sys->gc,
 541                        p_pic->p_sys->p_image, 0 /*src_x*/, 0 /*src_y*/,
 542                        p_vout->output.i_width, p_vout->output.i_height,
 543                        0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
 544                        False /* Don't put True here or you'll waste your CPU */ );
 545 #   else
 546         XShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->window,
 547                       p_vout->p_sys->gc, p_pic->p_sys->p_image,
 548                       0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 549                       p_vout->output.i_width, p_vout->output.i_height,
 550                       False /* Don't put True here ! */ );
 551 #   endif
 552     }
 553     else
 554 #endif /* HAVE_SYS_SHM_H */
 555     {
 556         /* Use standard XPutImage -- this is gonna be slow ! */
 557 #ifdef MODULE_NAME_IS_xvideo
 558         XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
 559                     p_vout->p_sys->yuv_window, p_vout->p_sys->gc,
 560                     p_pic->p_sys->p_image, 0 /*src_x*/, 0 /*src_y*/,
 561                     p_vout->output.i_width, p_vout->output.i_height,
 562                     0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
 563 #else
 564         XPutImage( p_vout->p_sys->p_display, p_vout->p_sys->window,
 565                    p_vout->p_sys->gc, p_pic->p_sys->p_image,
 566                    0 /*src_x*/, 0 /*src_y*/, 0 /*dest_x*/, 0 /*dest_y*/,
 567                    p_vout->output.i_width, p_vout->output.i_height );
 568 #endif
 569     }
 570
 571     /* Make sure the command is sent now - do NOT use XFlush !*/
 572     XSync( p_vout->p_sys->p_display, False );
 573 }
 574
 575 /*****************************************************************************
 576  * vout_Manage: handle X11 events
 577  *****************************************************************************
 578  * This function should be called regularly by video output thread. It manages
 579  * X11 events and allows window resizing. It returns a non null value on
 580  * error.
 581  *****************************************************************************/
 582 static int vout_Manage( vout_thread_t *p_vout )
 583 {
 584     XEvent      xevent;                                         /* X11 event */
 585     boolean_t   b_resized;                        /* window has been resized */
 586     char        i_key;                                    /* ISO Latin-1 key */
 587     KeySym      x_key_symbol;
 588
 589     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 590      * output window's size changed, MapNotify and UnmapNotify to know if the
 591      * window is mapped (and if the display is useful), and ClientMessages
 592      * to intercept window destruction requests */
 593
 594     b_resized = 0;
 595     while( XCheckWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
 596                               StructureNotifyMask | KeyPressMask |
 597                               ButtonPressMask | ButtonReleaseMask |
 598                               PointerMotionMask | Button1MotionMask , &xevent )
 599            == True )
 600     {
 601         /* ConfigureNotify event: prepare  */
 602         if( xevent.type == ConfigureNotify )
 603         {
 604             if( (xevent.xconfigure.width != p_vout->p_sys->i_width)
 605                  || (xevent.xconfigure.height != p_vout->p_sys->i_height) )
 606             {
 607                 /* Update dimensions */
 608                 b_resized = 1;
 609                 p_vout->i_changes |= VOUT_SIZE_CHANGE;
 610                 p_vout->p_sys->i_width = xevent.xconfigure.width;
 611                 p_vout->p_sys->i_height = xevent.xconfigure.height;
 612             }
 613         }
 614         /* MapNotify event: change window status and disable screen saver */
 615         else if( xevent.type == MapNotify)
 616         {
 617             if( (p_vout != NULL) && !p_vout->b_active )
 618             {
 619                 DisableXScreenSaver( p_vout );
 620                 p_vout->b_active = 1;
 621             }
 622         }
 623         /* UnmapNotify event: change window status and enable screen saver */
 624         else if( xevent.type == UnmapNotify )
 625         {
 626             if( (p_vout != NULL) && p_vout->b_active )
 627             {
 628                 EnableXScreenSaver( p_vout );
 629                 p_vout->b_active = 0;
 630             }
 631         }
 632         /* Keyboard event */
 633         else if( xevent.type == KeyPress )
 634         {
 635             /* We may have keys like F1 trough F12, ESC ... */
 636             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 637                                              xevent.xkey.keycode, 0 );
 638             switch( x_key_symbol )
 639             {
 640                  case XK_Escape:
 641                      if( p_vout->b_fullscreen )
 642                      {
 643                          p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 644                      }
 645                      else
 646                      {
 647                          p_main->p_intf->b_die = 1;
 648                      }
 649                      break;
 650                  case XK_Menu:
 651                      p_main->p_intf->b_menu_change = 1;
 652                      break;
 653                  case XK_Left:
 654                      vout_Seek( -5 );
 655                      break;
 656                  case XK_Right:
 657                      vout_Seek( 5 );
 658                      break;
 659                  case XK_Up:
 660                      vout_Seek( 60 );
 661                      break;
 662                  case XK_Down:
 663                      vout_Seek( -60 );
 664                      break;
 665                  case XK_Home:
 666                      input_Seek( p_input_bank->pp_input[0],
 667                      p_input_bank->pp_input[0]->stream.p_selected_area->i_start );
 668                      break;
 669                  case XK_End:
 670                      input_Seek( p_input_bank->pp_input[0],
 671                      p_input_bank->pp_input[0]->stream.p_selected_area->i_size );
 672                      break;
 673                  case XK_Page_Up:
 674                      vout_Seek( 900 );
 675                      break;
 676                  case XK_Page_Down:
 677                      vout_Seek( -900 );
 678                      break;
 679                  case XK_space:
 680                      input_SetStatus( p_input_bank->pp_input[0],
 681                                       INPUT_STATUS_PAUSE );
 682                      break;
 683
 684                  default:
 685                      /* "Normal Keys"
 686                       * The reason why I use this instead of XK_0 is that
 687                       * with XLookupString, we don't have to care about
 688                       * keymaps. */
 689
 690                     if( XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 691                     {
 692                         /* FIXME: handle stuff here */
 693                         switch( i_key )
 694                         {
 695                         case 'q':
 696                         case 'Q':
 697                             p_main->p_intf->b_die = 1;
 698                             break;
 699                         case 'f':
 700                         case 'F':
 701                             p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 702                             break;
 703
 704                         case '0': network_ChannelJoin( 0 ); break;
 705                         case '1': network_ChannelJoin( 1 ); break;
 706                         case '2': network_ChannelJoin( 2 ); break;
 707                         case '3': network_ChannelJoin( 3 ); break;
 708                         case '4': network_ChannelJoin( 4 ); break;
 709                         case '5': network_ChannelJoin( 5 ); break;
 710                         case '6': network_ChannelJoin( 6 ); break;
 711                         case '7': network_ChannelJoin( 7 ); break;
 712                         case '8': network_ChannelJoin( 8 ); break;
 713                         case '9': network_ChannelJoin( 9 ); break;
 714
 715                         default:
 716                             break;
 717                         }
 718                     }
 719                 break;
 720             }
 721         }
 722         /* Mouse click */
 723         else if( xevent.type == ButtonPress )
 724         {
 725             switch( ((XButtonEvent *)&xevent)->button )
 726             {
 727                 case Button1:
 728                     /* In this part we will eventually manage
 729                      * clicks for DVD navigation for instance. For the
 730                      * moment just pause the stream. */
 731                     input_SetStatus( p_input_bank->pp_input[0],
 732                                      INPUT_STATUS_PAUSE );
 733                     break;
 734
 735                 case Button4:
 736                     vout_Seek( 15 );
 737                     break;
 738
 739                 case Button5:
 740                     vout_Seek( -15 );
 741                     break;
 742             }
 743         }
 744         /* Mouse release */
 745         else if( xevent.type == ButtonRelease )
 746         {
 747             switch( ((XButtonEvent *)&xevent)->button )
 748             {
 749                 case Button3:
 750                     /* FIXME: need locking ! */
 751                     p_main->p_intf->b_menu_change = 1;
 752                     break;
 753             }
 754         }
 755         /* Mouse move */
 756         else if( xevent.type == MotionNotify )
 757         {
 758             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 759             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 760             {
 761                 ToggleCursor( p_vout );
 762             }
 763         }
 764         /* Reparent move -- XXX: why are we getting this ? */
 765         else if( xevent.type == ReparentNotify )
 766         {
 767             ;
 768         }
 769         /* Other event */
 770         else
 771         {
 772             intf_WarnMsg( 3, "vout: unhandled event %d received", xevent.type );
 773         }
 774     }
 775
 776 #ifdef MODULE_NAME_IS_xvideo
 777     /* Handle events for YUV video output sub-window */
 778     while( XCheckWindowEvent( p_vout->p_sys->p_display,
 779                               p_vout->p_sys->yuv_window,
 780                               ExposureMask, &xevent ) == True )
 781     {
 782         /* Window exposed (only handled if stream playback is paused) */
 783         if( xevent.type == Expose )
 784         {
 785             if( ((XExposeEvent *)&xevent)->count == 0 )
 786             {
 787                 /* (if this is the last a collection of expose events...) */
 788                 if( p_input_bank->pp_input[0] != NULL )
 789                 {
 790                     if( PAUSE_S ==
 791                             p_input_bank->pp_input[0]->stream.control.i_status )
 792                     {
 793 /*                        XVideoDisplay( p_vout )*/;
 794                     }
 795                 }
 796             }
 797         }
 798     }
 799 #endif
 800
 801     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 802      * are handled - according to the man pages, the format is always 32
 803      * in this case */
 804     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 805                              ClientMessage, &xevent ) )
 806     {
 807         if( (xevent.xclient.message_type == p_vout->p_sys->wm_protocols)
 808             && (xevent.xclient.data.l[0] == p_vout->p_sys->wm_delete_window ) )
 809         {
 810             p_main->p_intf->b_die = 1;
 811         }
 812     }
 813
 814     /*
 815      * Fullscreen Change
 816      */
 817     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 818     {
 819         ToggleFullScreen( p_vout );
 820         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 821
 822     }
 823
 824
 825 #ifdef MODULE_NAME_IS_x11
 826     /*
 827      * Handle vout window resizing
 828      */
 829 #if 0
 830     if( b_resized )
 831     {
 832         /* If interface window has been resized, change vout size */
 833         p_vout->i_width =  p_vout->p_sys->i_width;
 834         p_vout->i_height = p_vout->p_sys->i_height;
 835         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 836     }
 837     else if( (p_vout->i_width  != p_vout->p_sys->i_width) ||
 838              (p_vout->i_height != p_vout->p_sys->i_height) )
 839     {
 840         /* If video output size has changed, change interface window size */
 841         p_vout->p_sys->i_width =    p_vout->i_width;
 842         p_vout->p_sys->i_height =   p_vout->i_height;
 843         XResizeWindow( p_vout->p_sys->p_display, p_vout->p_sys->window,
 844                        p_vout->p_sys->i_width, p_vout->p_sys->i_height );
 845     }
 846     /*
 847      * Color/Grayscale or gamma change: in 8bpp, just change the colormap
 848      */
 849     if( (p_vout->i_changes & VOUT_GRAYSCALE_CHANGE)
 850         && (p_vout->i_screen_depth == 8) )
 851     {
 852         /* FIXME: clear flags ?? */
 853     }
 854
 855     /*
 856      * Size change
 857      */
 858     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 859     {
 860         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 861
 862         /* Resize window */
 863         XResizeWindow( p_vout->p_sys->p_display, p_vout->p_sys->window,
 864                        p_vout->i_width, p_vout->i_height );
 865
 866         /* Destroy XImages to change their size */
 867         vout_End( p_vout );
 868
 869         /* Recreate XImages. If SysInit failed, the thread can't go on. */
 870         if( vout_Init( p_vout ) )
 871         {
 872             intf_ErrMsg( "vout error: cannot resize display" );
 873             return( 1 );
 874        }
 875
 876         /* Tell the video output thread that it will need to rebuild YUV
 877          * tables. This is needed since conversion buffer size may have
 878          * changed */
 879         p_vout->i_changes |= VOUT_YUV_CHANGE;
 880         intf_Msg( "vout: video display resized (%dx%d)",
 881                   p_vout->i_width, p_vout->i_height);
 882     }
 883 #endif /* #if 0 */
 884 #else
 885     /*
 886      * Size change
 887      *
 888      * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
 889      *  the size flag inside the fullscreen routine)
 890      */
 891     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 892     {
 893         int i_width, i_height, i_x, i_y;
 894
 895         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 896
 897         intf_WarnMsg( 3, "vout: video display resized (%dx%d)",
 898                       p_vout->p_sys->i_width,
 899                       p_vout->p_sys->i_height );
 900
 901         vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
 902                            p_vout->p_sys->i_height,
 903                            &i_x, &i_y, &i_width, &i_height );
 904
 905         XResizeWindow( p_vout->p_sys->p_display, p_vout->p_sys->yuv_window,
 906                        i_width, i_height );
 907
 908         XMoveWindow( p_vout->p_sys->p_display, p_vout->p_sys->yuv_window,
 909                      i_x, i_y );
 910
 911     }
 912 #endif
 913
 914     /* Autohide Cursour */
 915     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 916     {
 917         /* Hide the mouse automatically */
 918         if( p_vout->p_sys->b_mouse_pointer_visible )
 919         {
 920             ToggleCursor( p_vout );
 921         }
 922     }
 923
 924     return 0;
 925 }
 926
 927 /*****************************************************************************
 928  * vout_End: terminate X11 video thread output method
 929  *****************************************************************************
 930  * Destroy the X11 XImages created by vout_Init. It is called at the end of
 931  * the thread, but also each time the window is resized.
 932  *****************************************************************************/
 933 static void vout_End( vout_thread_t *p_vout )
 934 {
 935     int i_index;
 936
 937     /* Free the direct buffers we allocated */
 938     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 939     {
 940         i_index--;
 941         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 942     }
 943 }
 944
 945 /* following functions are local */
 946
 947 /*****************************************************************************
 948  * CreateWindow: open and set-up X11 main window
 949  *****************************************************************************/
 950 static int CreateWindow( vout_thread_t *p_vout )
 951 {
 952     XSizeHints              xsize_hints;
 953     XSetWindowAttributes    xwindow_attributes;
 954     XGCValues               xgcvalues;
 955     XEvent                  xevent;
 956
 957     boolean_t               b_expose;
 958     boolean_t               b_configure_notify;
 959     boolean_t               b_map_notify;
 960
 961     /* Set main window's size */
 962     p_vout->p_sys->i_width = p_vout->i_window_width;
 963     p_vout->p_sys->i_height = p_vout->i_window_height;
 964
 965     /* Prepare window manager hints and properties */
 966     xsize_hints.base_width          = p_vout->p_sys->i_width;
 967     xsize_hints.base_height         = p_vout->p_sys->i_height;
 968     xsize_hints.flags               = PSize;
 969     p_vout->p_sys->wm_protocols     = XInternAtom( p_vout->p_sys->p_display,
 970                                                    "WM_PROTOCOLS", True );
 971     p_vout->p_sys->wm_delete_window = XInternAtom( p_vout->p_sys->p_display,
 972                                                    "WM_DELETE_WINDOW", True );
 973
 974     /* Prepare window attributes */
 975     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 976     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 977                                                      p_vout->p_sys->i_screen);
 978     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 979
 980
 981     /* Create the window and set hints - the window must receive
 982      * ConfigureNotify events, and until it is displayed, Expose and
 983      * MapNotify events. */
 984
 985     p_vout->p_sys->window =
 986         XCreateWindow( p_vout->p_sys->p_display,
 987                        DefaultRootWindow( p_vout->p_sys->p_display ),
 988                        0, 0,
 989                        p_vout->p_sys->i_width,
 990                        p_vout->p_sys->i_height,
 991                        0,
 992                        0, InputOutput, 0,
 993                        CWBackingStore | CWBackPixel | CWEventMask,
 994                        &xwindow_attributes );
 995
 996     /* Set window manager hints and properties: size hints, command,
 997      * window's name, and accepted protocols */
 998     XSetWMNormalHints( p_vout->p_sys->p_display, p_vout->p_sys->window,
 999                        &xsize_hints );
1000     XSetCommand( p_vout->p_sys->p_display, p_vout->p_sys->window,
1001                  p_main->ppsz_argv, p_main->i_argc );
1002     XStoreName( p_vout->p_sys->p_display, p_vout->p_sys->window,
1003 #ifdef MODULE_NAME_IS_x11
1004                 VOUT_TITLE " (X11 output)"
1005 #else
1006                 VOUT_TITLE " (XVideo output)"
1007 #endif
1008               );
1009
1010     if( (p_vout->p_sys->wm_protocols == None)        /* use WM_DELETE_WINDOW */
1011         || (p_vout->p_sys->wm_delete_window == None)
1012         || !XSetWMProtocols( p_vout->p_sys->p_display, p_vout->p_sys->window,
1013                              &p_vout->p_sys->wm_delete_window, 1 ) )
1014     {
1015         /* WM_DELETE_WINDOW is not supported by window manager */
1016         intf_Msg( "vout error: missing or bad window manager" );
1017     }
1018
1019     /* Creation of a graphic context that doesn't generate a GraphicsExpose
1020      * event when using functions like XCopyArea */
1021     xgcvalues.graphics_exposures = False;
1022     p_vout->p_sys->gc = XCreateGC( p_vout->p_sys->p_display,
1023                                    p_vout->p_sys->window,
1024                                    GCGraphicsExposures, &xgcvalues);
1025
1026     /* Send orders to server, and wait until window is displayed - three
1027      * events must be received: a MapNotify event, an Expose event allowing
1028      * drawing in the window, and a ConfigureNotify to get the window
1029      * dimensions. Once those events have been received, only ConfigureNotify
1030      * events need to be received. */
1031     b_expose = 0;
1032     b_configure_notify = 0;
1033     b_map_notify = 0;
1034     XMapWindow( p_vout->p_sys->p_display, p_vout->p_sys->window);
1035     do
1036     {
1037         XNextEvent( p_vout->p_sys->p_display, &xevent);
1038         if( (xevent.type == Expose)
1039             && (xevent.xexpose.window == p_vout->p_sys->window) )
1040         {
1041             b_expose = 1;
1042         }
1043         else if( (xevent.type == MapNotify)
1044                  && (xevent.xmap.window == p_vout->p_sys->window) )
1045         {
1046             b_map_notify = 1;
1047         }
1048         else if( (xevent.type == ConfigureNotify)
1049                  && (xevent.xconfigure.window == p_vout->p_sys->window) )
1050         {
1051             b_configure_notify = 1;
1052             p_vout->p_sys->i_width = xevent.xconfigure.width;
1053             p_vout->p_sys->i_height = xevent.xconfigure.height;
1054         }
1055     } while( !( b_expose && b_configure_notify && b_map_notify ) );
1056
1057     XSelectInput( p_vout->p_sys->p_display, p_vout->p_sys->window,
1058                   StructureNotifyMask | KeyPressMask |
1059                   ButtonPressMask | ButtonReleaseMask |
1060                   PointerMotionMask );
1061
1062 #ifdef MODULE_NAME_IS_x11
1063     if( XDefaultDepth(p_vout->p_sys->p_display, p_vout->p_sys->i_screen) == 8 )
1064     {
1065         /* Allocate a new palette */
1066         p_vout->p_sys->colormap =
1067             XCreateColormap( p_vout->p_sys->p_display,
1068                              DefaultRootWindow( p_vout->p_sys->p_display ),
1069                              DefaultVisual( p_vout->p_sys->p_display,
1070                                             p_vout->p_sys->i_screen ),
1071                              AllocAll );
1072
1073         xwindow_attributes.colormap = p_vout->p_sys->colormap;
1074         XChangeWindowAttributes( p_vout->p_sys->p_display,
1075                                  p_vout->p_sys->window,
1076                                  CWColormap, &xwindow_attributes );
1077     }
1078
1079 #else
1080     /* Create YUV output sub-window. */
1081     p_vout->p_sys->yuv_window = XCreateSimpleWindow( p_vout->p_sys->p_display,
1082                          p_vout->p_sys->window, 0, 0,
1083                          p_vout->p_sys->i_width,
1084                          p_vout->p_sys->i_height,
1085                          0,
1086                          BlackPixel( p_vout->p_sys->p_display,
1087                                          p_vout->p_sys->i_screen ),
1088                          WhitePixel( p_vout->p_sys->p_display,
1089                                          p_vout->p_sys->i_screen ) );
1090
1091     XSetWindowBackground( p_vout->p_sys->p_display, p_vout->p_sys->yuv_window,
1092              BlackPixel(p_vout->p_sys->p_display, p_vout->p_sys->i_screen ) );
1093
1094     XMapWindow( p_vout->p_sys->p_display, p_vout->p_sys->yuv_window );
1095     XSelectInput( p_vout->p_sys->p_display, p_vout->p_sys->yuv_window,
1096                   ExposureMask );
1097
1098     /* make sure the YUV window will be centered in the next vout_Manage() */
1099     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1100 #endif
1101
1102     /* If the cursor was formerly blank than blank it again */
1103     if( !p_vout->p_sys->b_mouse_pointer_visible )
1104     {
1105         ToggleCursor( p_vout );
1106         ToggleCursor( p_vout );
1107     }
1108
1109     /* Do NOT use XFlush here ! */
1110     XSync( p_vout->p_sys->p_display, False );
1111
1112     /* At this stage, the window is open, displayed, and ready to
1113      * receive data */
1114
1115     return( 0 );
1116 }
1117
1118 /*****************************************************************************
1119  * DestroyWindow: destroy the window
1120  *****************************************************************************
1121  *
1122  *****************************************************************************/
1123 static void DestroyWindow( vout_thread_t *p_vout )
1124 {
1125     /* Do NOT use XFlush here ! */
1126     XSync( p_vout->p_sys->p_display, False );
1127
1128 #ifdef MODULE_NAME_IS_xvideo
1129     XDestroyWindow( p_vout->p_sys->p_display, p_vout->p_sys->yuv_window );
1130 #endif
1131
1132     XUnmapWindow( p_vout->p_sys->p_display, p_vout->p_sys->window );
1133     XFreeGC( p_vout->p_sys->p_display, p_vout->p_sys->gc );
1134     XDestroyWindow( p_vout->p_sys->p_display, p_vout->p_sys->window );
1135 }
1136
1137 /*****************************************************************************
1138  * NewPicture: allocate a picture
1139  *****************************************************************************
1140  * Returns 0 on success, -1 otherwise
1141  *****************************************************************************/
1142 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
1143 {
1144     /* We know the chroma, allocate a buffer which will be used
1145      * directly by the decoder */
1146     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
1147
1148     if( p_pic->p_sys == NULL )
1149     {
1150         return -1;
1151     }
1152
1153 #ifdef HAVE_SYS_SHM_H
1154     if( p_vout->p_sys->b_shm )
1155     {
1156         /* Create image using XShm extension */
1157         p_pic->p_sys->p_image =
1158             CreateShmImage( p_vout->p_sys->p_display,
1159 #   ifdef MODULE_NAME_IS_xvideo
1160                             p_vout->p_sys->i_xvport,
1161                             p_vout->output.i_chroma,
1162 #   else
1163                             p_vout->p_sys->p_visual,
1164                             p_vout->p_sys->i_screen_depth,
1165 #   endif
1166                             &p_pic->p_sys->shminfo,
1167                             p_vout->output.i_width, p_vout->output.i_height );
1168     }
1169     else
1170 #endif /* HAVE_SYS_SHM_H */
1171     {
1172         /* Create image without XShm extension */
1173         p_pic->p_sys->p_image =
1174             CreateImage( p_vout->p_sys->p_display,
1175 #ifdef MODULE_NAME_IS_xvideo
1176                          p_vout->p_sys->i_xvport,
1177                          p_vout->output.i_chroma,
1178 #else
1179                          p_vout->p_sys->p_visual,
1180                          p_vout->p_sys->i_screen_depth,
1181                          p_vout->p_sys->i_bytes_per_pixel,
1182 #endif
1183                          p_vout->output.i_width, p_vout->output.i_height );
1184     }
1185
1186     if( p_pic->p_sys->p_image == NULL )
1187     {
1188         free( p_pic->p_sys );
1189         return -1;
1190     }
1191
1192     switch( p_vout->output.i_chroma )
1193     {
1194 #ifdef MODULE_NAME_IS_xvideo
1195         case FOURCC_I420:
1196
1197             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1198                                + p_pic->p_sys->p_image->offsets[0];
1199             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1200             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1201             p_pic->p[Y_PLANE].i_pixel_bytes = 1;
1202             p_pic->p[Y_PLANE].b_margin = 0;
1203
1204             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1205                                + p_pic->p_sys->p_image->offsets[1];
1206             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1207             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1208             p_pic->p[U_PLANE].i_pixel_bytes = 1;
1209             p_pic->p[U_PLANE].b_margin = 0;
1210
1211             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1212                                + p_pic->p_sys->p_image->offsets[2];
1213             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1214             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1215             p_pic->p[V_PLANE].i_pixel_bytes = 1;
1216             p_pic->p[V_PLANE].b_margin = 0;
1217
1218             p_pic->i_planes = 3;
1219             break;
1220
1221         case FOURCC_YV12:
1222
1223             p_pic->Y_PIXELS = p_pic->p_sys->p_image->data
1224                                + p_pic->p_sys->p_image->offsets[0];
1225             p_pic->p[Y_PLANE].i_lines = p_vout->output.i_height;
1226             p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[0];
1227             p_pic->p[Y_PLANE].i_pixel_bytes = 1;
1228             p_pic->p[Y_PLANE].b_margin = 0;
1229
1230             p_pic->U_PIXELS = p_pic->p_sys->p_image->data
1231                                + p_pic->p_sys->p_image->offsets[2];
1232             p_pic->p[U_PLANE].i_lines = p_vout->output.i_height / 2;
1233             p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[2];
1234             p_pic->p[U_PLANE].i_pixel_bytes = 1;
1235             p_pic->p[U_PLANE].b_margin = 0;
1236
1237             p_pic->V_PIXELS = p_pic->p_sys->p_image->data
1238                                + p_pic->p_sys->p_image->offsets[1];
1239             p_pic->p[V_PLANE].i_lines = p_vout->output.i_height / 2;
1240             p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_image->pitches[1];
1241             p_pic->p[V_PLANE].i_pixel_bytes = 1;
1242             p_pic->p[V_PLANE].b_margin = 0;
1243
1244             p_pic->i_planes = 3;
1245             break;
1246
1247         case FOURCC_Y211:
1248
1249             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1250                                   + p_pic->p_sys->p_image->offsets[0];
1251             p_pic->p->i_lines = p_vout->output.i_height;
1252             /* XXX: this just looks so plain wrong... check it out ! */
1253             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0] / 4;
1254             p_pic->p->i_pixel_bytes = 4;
1255             p_pic->p->b_margin = 0;
1256
1257             p_pic->i_planes = 1;
1258             break;
1259
1260         case FOURCC_YUY2:
1261         case FOURCC_UYVY:
1262
1263             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1264                                   + p_pic->p_sys->p_image->offsets[0];
1265             p_pic->p->i_lines = p_vout->output.i_height;
1266             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1267             p_pic->p->i_pixel_bytes = 4;
1268             p_pic->p->b_margin = 0;
1269
1270             p_pic->i_planes = 1;
1271             break;
1272
1273         case FOURCC_RV15:
1274
1275             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1276                                   + p_pic->p_sys->p_image->offsets[0];
1277             p_pic->p->i_lines = p_vout->output.i_height;
1278             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1279             p_pic->p->i_pixel_bytes = 2;
1280             p_pic->p->b_margin = 0;
1281
1282             p_pic->i_planes = 1;
1283             break;
1284
1285         case FOURCC_RV16:
1286
1287             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1288                                   + p_pic->p_sys->p_image->offsets[0];
1289             p_pic->p->i_lines = p_vout->output.i_height;
1290             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0];
1291             p_pic->p->i_pixel_bytes = 2;
1292             p_pic->p->b_margin = 0;
1293
1294             p_pic->i_planes = 1;
1295             break;
1296
1297 #else
1298         case FOURCC_RGB2:
1299
1300             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1301                                   + p_pic->p_sys->p_image->xoffset;
1302             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1303             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1304             p_pic->p->i_pixel_bytes = p_pic->p_sys->p_image->depth;
1305
1306             if( p_pic->p->i_pitch == p_pic->p_sys->p_image->width )
1307             {
1308                 p_pic->p->b_margin = 0;
1309             }
1310             else
1311             {
1312                 p_pic->p->b_margin = 1;
1313                 p_pic->p->b_hidden = 1;
1314                 p_pic->p->i_visible_bytes = p_pic->p_sys->p_image->width;
1315             }
1316
1317             p_pic->i_planes = 1;
1318
1319             break;
1320
1321         case FOURCC_RV16:
1322         case FOURCC_RV15:
1323
1324             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1325                                   + p_pic->p_sys->p_image->xoffset;
1326             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1327             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1328             p_pic->p->i_pixel_bytes = p_pic->p_sys->p_image->depth;
1329
1330             if( p_pic->p->i_pitch == 2 * p_pic->p_sys->p_image->width )
1331             {
1332                 p_pic->p->b_margin = 0;
1333             }
1334             else
1335             {
1336                 p_pic->p->b_margin = 1;
1337                 p_pic->p->b_hidden = 1;
1338                 p_pic->p->i_visible_bytes = 2 * p_pic->p_sys->p_image->width;
1339             }
1340
1341             p_pic->i_planes = 1;
1342
1343             break;
1344
1345         case FOURCC_RV32:
1346         case FOURCC_RV24:
1347
1348             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
1349                                   + p_pic->p_sys->p_image->xoffset;
1350             p_pic->p->i_lines = p_pic->p_sys->p_image->height;
1351             p_pic->p->i_pitch = p_pic->p_sys->p_image->bytes_per_line;
1352             p_pic->p->i_pixel_bytes = p_pic->p_sys->p_image->depth;
1353
1354             if( p_pic->p->i_pitch == 4 * p_pic->p_sys->p_image->width )
1355             {
1356                 p_pic->p->b_margin = 0;
1357             }
1358             else
1359             {
1360                 p_pic->p->b_margin = 1;
1361                 p_pic->p->b_hidden = 1;
1362                 p_pic->p->i_visible_bytes = 4 * p_pic->p_sys->p_image->width;
1363             }
1364
1365             p_pic->i_planes = 1;
1366
1367             break;
1368 #endif
1369
1370         default:
1371             /* Unknown chroma, tell the guy to get lost */
1372             IMAGE_FREE( p_pic->p_sys->p_image );
1373             free( p_pic->p_sys );
1374             intf_ErrMsg( "vout error: never heard of chroma 0x%.8x (%4.4s)",
1375                          p_vout->output.i_chroma,
1376                          (char*)&p_vout->output.i_chroma );
1377             p_pic->i_planes = 0;
1378             return -1;
1379     }
1380
1381     return 0;
1382 }
1383
1384 /*****************************************************************************
1385  * FreePicture: destroy a picture allocated with NewPicture
1386  *****************************************************************************
1387  * Destroy XImage AND associated data. If using Shm, detach shared memory
1388  * segment from server and process, then free it. The XDestroyImage manpage
1389  * says that both the image structure _and_ the data pointed to by the
1390  * image structure are freed, so no need to free p_image->data.
1391  *****************************************************************************/
1392 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1393 {
1394     /* The order of operations is correct */
1395 #ifdef HAVE_SYS_SHM_H
1396     if( p_vout->p_sys->b_shm )
1397     {
1398         XShmDetach( p_vout->p_sys->p_display, &p_pic->p_sys->shminfo );
1399         IMAGE_FREE( p_pic->p_sys->p_image );
1400
1401         shmctl( p_pic->p_sys->shminfo.shmid, IPC_RMID, 0 );
1402         if( shmdt( p_pic->p_sys->shminfo.shmaddr ) )
1403         {
1404             intf_ErrMsg( "vout error: cannot detach shared memory (%s)",
1405                          strerror(errno) );
1406         }
1407     }
1408     else
1409 #endif
1410     {
1411         IMAGE_FREE( p_pic->p_sys->p_image );
1412     }
1413
1414     /* Do NOT use XFlush here ! */
1415     XSync( p_vout->p_sys->p_display, False );
1416
1417     free( p_pic->p_sys );
1418 }
1419
1420 /*****************************************************************************
1421  * ToggleFullScreen: Enable or disable full screen mode
1422  *****************************************************************************
1423  * This function will switch between fullscreen and window mode.
1424  *
1425  *****************************************************************************/
1426 static void ToggleFullScreen ( vout_thread_t *p_vout )
1427 {
1428     Atom prop;
1429     mwmhints_t mwmhints;
1430     int i_xpos, i_ypos, i_width, i_height;
1431     XEvent xevent;
1432     XSetWindowAttributes attributes;
1433
1434     p_vout->b_fullscreen = !p_vout->b_fullscreen;
1435
1436     if( p_vout->b_fullscreen )
1437     {
1438         Window next_parent, parent, *p_dummy, dummy1;
1439         unsigned int dummy2, dummy3;
1440
1441         intf_WarnMsg( 3, "vout: entering fullscreen mode" );
1442
1443         /* Only check the fullscreen method when we actually go fullscreen,
1444          * because to go back to window mode we need to know in which
1445          * fullscreen mode we where */
1446         p_vout->p_sys->b_altfullscreen =
1447             config_GetIntVariable( MODULE_STRING "-altfullscreen" );
1448
1449         /* Save current window coordinates so they can be restored when
1450          * we exit from fullscreen mode. This is the tricky part because
1451          * this heavily depends on the behaviour of the window manager.
1452          * When you use XMoveWindow some window managers will adjust the top
1453          * of the window to the coordinates you gave, but others will instead
1454          * adjust the top of the client area to the coordinates
1455          * (don't forget windows have decorations). */
1456
1457         /* First, get the position and size of the client area */
1458         XGetGeometry( p_vout->p_sys->p_display,
1459                       p_vout->p_sys->window,
1460                       &dummy1,
1461                       &dummy2,
1462                       &dummy3,
1463                       &p_vout->p_sys->i_width_backup_2,
1464                       &p_vout->p_sys->i_height_backup_2,
1465                       &dummy2, &dummy3 );
1466         XTranslateCoordinates( p_vout->p_sys->p_display,
1467                                p_vout->p_sys->window,
1468                                DefaultRootWindow( p_vout->p_sys->p_display ),
1469                                0,
1470                                0,
1471                                &p_vout->p_sys->i_xpos_backup_2,
1472                                &p_vout->p_sys->i_ypos_backup_2,
1473                                &dummy1 );
1474
1475         /* Then try to get the position and size of the whole window */
1476
1477         /* find the real parent of our window (created by the window manager),
1478          * the one which is a direct child of the root window */
1479         next_parent = parent = p_vout->p_sys->window;
1480         while( next_parent != DefaultRootWindow( p_vout->p_sys->p_display ) )
1481         {
1482             parent = next_parent;
1483             XQueryTree( p_vout->p_sys->p_display,
1484                         parent,
1485                         &dummy1,
1486                         &next_parent,
1487                         &p_dummy,
1488                         &dummy2 );
1489             XFree((void *)p_dummy);
1490         }
1491
1492         XGetGeometry( p_vout->p_sys->p_display,
1493                       p_vout->p_sys->window,
1494                       &dummy1,
1495                       &dummy2,
1496                       &dummy3,
1497                       &p_vout->p_sys->i_width_backup,
1498                       &p_vout->p_sys->i_height_backup,
1499                       &dummy2, &dummy3 );
1500
1501         XTranslateCoordinates( p_vout->p_sys->p_display,
1502                                parent,
1503                                DefaultRootWindow( p_vout->p_sys->p_display ),
1504                                0,
1505                                0,
1506                                &p_vout->p_sys->i_xpos_backup,
1507                                &p_vout->p_sys->i_ypos_backup,
1508                                &dummy1 );
1509
1510         /* fullscreen window size and position */
1511         i_xpos = 0;
1512         i_ypos = 0;
1513         i_width = DisplayWidth( p_vout->p_sys->p_display,
1514                                 p_vout->p_sys->i_screen );
1515         i_height = DisplayHeight( p_vout->p_sys->p_display,
1516                                   p_vout->p_sys->i_screen );
1517
1518     }
1519     else
1520     {
1521         intf_WarnMsg( 3, "vout: leaving fullscreen mode" );
1522
1523         i_xpos = p_vout->p_sys->i_xpos_backup;
1524         i_ypos = p_vout->p_sys->i_ypos_backup;
1525         i_width = p_vout->p_sys->i_width_backup;
1526         i_height = p_vout->p_sys->i_height_backup;
1527     }
1528
1529     /* To my knowledge there are two ways to create a borderless window.
1530      * There's the generic way which is to tell x to bypass the window manager,
1531      * but this creates problems with the focus of other applications.
1532      * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1533      * luckily seems to be supported by most window managers.
1534      */
1535     if( !p_vout->p_sys->b_altfullscreen )
1536     {
1537         mwmhints.flags = MWM_HINTS_DECORATIONS;
1538         mwmhints.decorations = !p_vout->b_fullscreen;
1539
1540         prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1541                             False );
1542         XChangeProperty( p_vout->p_sys->p_display, p_vout->p_sys->window,
1543                          prop, prop, 32, PropModeReplace,
1544                          (unsigned char *)&mwmhints,
1545                          PROP_MWM_HINTS_ELEMENTS );
1546     }
1547     else
1548     {
1549         /* brute force way to remove decorations */
1550         attributes.override_redirect = p_vout->b_fullscreen;
1551         XChangeWindowAttributes( p_vout->p_sys->p_display,
1552                                  p_vout->p_sys->window,
1553                                  CWOverrideRedirect,
1554                                  &attributes);
1555     }
1556
1557     /* We need to unmap and remap the window if we want the window
1558      * manager to take our changes into effect */
1559     XUnmapWindow( p_vout->p_sys->p_display, p_vout->p_sys->window);
1560
1561     XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1562                   StructureNotifyMask, &xevent );
1563     while( xevent.type != UnmapNotify )
1564         XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1565                       StructureNotifyMask, &xevent );
1566
1567     XMapRaised( p_vout->p_sys->p_display, p_vout->p_sys->window);
1568
1569     while( xevent.type != MapNotify )
1570         XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1571                       StructureNotifyMask, &xevent );
1572
1573     XMoveResizeWindow( p_vout->p_sys->p_display,
1574                        p_vout->p_sys->window,
1575                        i_xpos,
1576                        i_ypos,
1577                        i_width,
1578                        i_height );
1579
1580     /* Purge all ConfigureNotify events, this is needed to fix a bug where we
1581      * would lose the original size of the window */
1582     while( xevent.type != ConfigureNotify )
1583         XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1584                       StructureNotifyMask, &xevent );
1585     while( XCheckWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1586                               StructureNotifyMask, &xevent ) );
1587
1588
1589     /* We need to check that the window was really restored where we wanted */
1590     if( !p_vout->b_fullscreen )
1591     {
1592         Window dummy1;
1593         unsigned int dummy2, dummy3, dummy4, dummy5;
1594
1595         /* Check the position */
1596         XTranslateCoordinates( p_vout->p_sys->p_display,
1597                                p_vout->p_sys->window,
1598                                DefaultRootWindow( p_vout->p_sys->p_display ),
1599                                0,
1600                                0,
1601                                &dummy2,
1602                                &dummy3,
1603                                &dummy1 );
1604         if( dummy2 != p_vout->p_sys->i_xpos_backup_2 ||
1605             dummy3 != p_vout->p_sys->i_ypos_backup_2 )
1606         {
1607             /* Ok it didn't work... second try */
1608
1609             XMoveWindow( p_vout->p_sys->p_display,
1610                          p_vout->p_sys->window,
1611                          p_vout->p_sys->i_xpos_backup_2,
1612                          p_vout->p_sys->i_ypos_backup_2 );
1613
1614             /* Purge all ConfigureNotify events, this is needed to fix a bug
1615              * where we would lose the original size of the window */
1616             XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1617                           StructureNotifyMask, &xevent );
1618             while( xevent.type != ConfigureNotify )
1619                 XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1620                               StructureNotifyMask, &xevent );
1621             while( XCheckWindowEvent( p_vout->p_sys->p_display,
1622                                       p_vout->p_sys->window,
1623                                       StructureNotifyMask, &xevent ) );
1624         }
1625
1626         /* Check the size */
1627         XGetGeometry( p_vout->p_sys->p_display,
1628                       p_vout->p_sys->window,
1629                       &dummy1,
1630                       &dummy2,
1631                       &dummy3,
1632                       &dummy4,
1633                       &dummy5,
1634                       &dummy2, &dummy3 );
1635
1636         if( dummy4 != p_vout->p_sys->i_width_backup_2 ||
1637             dummy5 != p_vout->p_sys->i_height_backup_2 )
1638         {
1639             /* Ok it didn't work... third try */
1640
1641             XResizeWindow( p_vout->p_sys->p_display,
1642                          p_vout->p_sys->window,
1643                          p_vout->p_sys->i_width_backup_2,
1644                          p_vout->p_sys->i_height_backup_2 );
1645
1646             /* Purge all ConfigureNotify events, this is needed to fix a bug
1647              * where we would lose the original size of the window */
1648             XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1649                           StructureNotifyMask, &xevent );
1650             while( xevent.type != ConfigureNotify )
1651                 XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1652                               StructureNotifyMask, &xevent );
1653             while( XCheckWindowEvent( p_vout->p_sys->p_display,
1654                                       p_vout->p_sys->window,
1655                                       StructureNotifyMask, &xevent ) );
1656         }
1657     }
1658
1659     if( p_vout->p_sys->b_altfullscreen )
1660         XSetInputFocus(p_vout->p_sys->p_display,
1661                        p_vout->p_sys->window,
1662                        RevertToParent,
1663                        CurrentTime);
1664
1665     /* signal that the size needs to be updated */
1666     p_vout->p_sys->i_width = i_width;
1667     p_vout->p_sys->i_height = i_height;
1668     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1669
1670 }
1671
1672 /*****************************************************************************
1673  * EnableXScreenSaver: enable screen saver
1674  *****************************************************************************
1675  * This function enables the screen saver on a display after it has been
1676  * disabled by XDisableScreenSaver.
1677  * FIXME: what happens if multiple vlc sessions are running at the same
1678  *        time ???
1679  *****************************************************************************/
1680 static void EnableXScreenSaver( vout_thread_t *p_vout )
1681 {
1682 #ifdef DPMSINFO_IN_DPMS_H
1683     int dummy;
1684 #endif
1685
1686     XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1687                      p_vout->p_sys->i_ss_interval,
1688                      p_vout->p_sys->i_ss_blanking,
1689                      p_vout->p_sys->i_ss_exposure );
1690
1691     /* Restore DPMS settings */
1692 #ifdef DPMSINFO_IN_DPMS_H
1693     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1694     {
1695         if( p_vout->p_sys->b_ss_dpms )
1696         {
1697             DPMSEnable( p_vout->p_sys->p_display );
1698         }
1699     }
1700 #endif
1701 }
1702
1703 /*****************************************************************************
1704  * DisableXScreenSaver: disable screen saver
1705  *****************************************************************************
1706  * See XEnableXScreenSaver
1707  *****************************************************************************/
1708 static void DisableXScreenSaver( vout_thread_t *p_vout )
1709 {
1710 #ifdef DPMSINFO_IN_DPMS_H
1711     int dummy;
1712 #endif
1713
1714     /* Save screen saver informations */
1715     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1716                      &p_vout->p_sys->i_ss_interval,
1717                      &p_vout->p_sys->i_ss_blanking,
1718                      &p_vout->p_sys->i_ss_exposure );
1719
1720     /* Disable screen saver */
1721     XSetScreenSaver( p_vout->p_sys->p_display, 0,
1722                      p_vout->p_sys->i_ss_interval,
1723                      p_vout->p_sys->i_ss_blanking,
1724                      p_vout->p_sys->i_ss_exposure );
1725
1726     /* Disable DPMS */
1727 #ifdef DPMSINFO_IN_DPMS_H
1728     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1729     {
1730         CARD16 unused;
1731         /* Save DPMS current state */
1732         DPMSInfo( p_vout->p_sys->p_display, &unused,
1733                   &p_vout->p_sys->b_ss_dpms );
1734         DPMSDisable( p_vout->p_sys->p_display );
1735    }
1736 #endif
1737 }
1738
1739 /*****************************************************************************
1740  * CreateCursor: create a blank mouse pointer
1741  *****************************************************************************/
1742 static void CreateCursor( vout_thread_t *p_vout )
1743 {
1744     XColor cursor_color;
1745
1746     p_vout->p_sys->cursor_pixmap =
1747         XCreatePixmap( p_vout->p_sys->p_display,
1748                        DefaultRootWindow( p_vout->p_sys->p_display ),
1749                        1, 1, 1 );
1750
1751     XParseColor( p_vout->p_sys->p_display,
1752                  XCreateColormap( p_vout->p_sys->p_display,
1753                                   DefaultRootWindow(
1754                                                     p_vout->p_sys->p_display ),
1755                                   DefaultVisual(
1756                                                 p_vout->p_sys->p_display,
1757                                                 p_vout->p_sys->i_screen ),
1758                                   AllocNone ),
1759                  "black", &cursor_color );
1760
1761     p_vout->p_sys->blank_cursor =
1762         XCreatePixmapCursor( p_vout->p_sys->p_display,
1763                              p_vout->p_sys->cursor_pixmap,
1764                              p_vout->p_sys->cursor_pixmap,
1765                              &cursor_color, &cursor_color, 1, 1 );
1766 }
1767
1768 /*****************************************************************************
1769  * DestroyCursor: destroy the blank mouse pointer
1770  *****************************************************************************/
1771 static void DestroyCursor( vout_thread_t *p_vout )
1772 {
1773     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1774 }
1775
1776 /*****************************************************************************
1777  * ToggleCursor: hide or show the mouse pointer
1778  *****************************************************************************
1779  * This function hides the X pointer if it is visible by setting the pointer
1780  * sprite to a blank one. To show it again, we disable the sprite.
1781  *****************************************************************************/
1782 static void ToggleCursor( vout_thread_t *p_vout )
1783 {
1784     if( p_vout->p_sys->b_mouse_pointer_visible )
1785     {
1786         XDefineCursor( p_vout->p_sys->p_display,
1787                        p_vout->p_sys->window,
1788                        p_vout->p_sys->blank_cursor );
1789         p_vout->p_sys->b_mouse_pointer_visible = 0;
1790     }
1791     else
1792     {
1793         XUndefineCursor( p_vout->p_sys->p_display, p_vout->p_sys->window );
1794         p_vout->p_sys->b_mouse_pointer_visible = 1;
1795     }
1796 }
1797
1798 #ifdef MODULE_NAME_IS_xvideo
1799 /*****************************************************************************
1800  * XVideoGetPort: get YUV12 port
1801  *****************************************************************************/
1802 static int XVideoGetPort( Display *dpy, u32 i_chroma, u32 *pi_newchroma )
1803 {
1804     XvAdaptorInfo *p_adaptor;
1805     unsigned int i;
1806     int i_adaptor, i_num_adaptors, i_requested_adaptor;
1807     int i_selected_port;
1808
1809     switch( XvQueryExtension( dpy, &i, &i, &i, &i, &i ) )
1810     {
1811         case Success:
1812             break;
1813
1814         case XvBadExtension:
1815             intf_WarnMsg( 3, "vout error: XvBadExtension" );
1816             return( -1 );
1817
1818         case XvBadAlloc:
1819             intf_WarnMsg( 3, "vout error: XvBadAlloc" );
1820             return( -1 );
1821
1822         default:
1823             intf_WarnMsg( 3, "vout error: XvQueryExtension failed" );
1824             return( -1 );
1825     }
1826
1827     switch( XvQueryAdaptors( dpy, DefaultRootWindow( dpy ),
1828                              &i_num_adaptors, &p_adaptor ) )
1829     {
1830         case Success:
1831             break;
1832
1833         case XvBadExtension:
1834             intf_WarnMsg( 3, "vout error: XvBadExtension for XvQueryAdaptors" );
1835             return( -1 );
1836
1837         case XvBadAlloc:
1838             intf_WarnMsg( 3, "vout error: XvBadAlloc for XvQueryAdaptors" );
1839             return( -1 );
1840
1841         default:
1842             intf_WarnMsg( 3, "vout error: XvQueryAdaptors failed" );
1843             return( -1 );
1844     }
1845
1846     i_selected_port = -1;
1847     i_requested_adaptor = config_GetIntVariable( "xvideo-adaptor" );
1848
1849     for( i_adaptor = 0; i_adaptor < i_num_adaptors; ++i_adaptor )
1850     {
1851         XvImageFormatValues *p_formats;
1852         int i_format, i_num_formats;
1853         int i_port;
1854
1855         /* If we requested an adaptor and it's not this one, we aren't
1856          * interested */
1857         if( i_requested_adaptor != -1 && i_adaptor != i_requested_adaptor )
1858         {
1859             continue;
1860         }
1861
1862         /* If the adaptor doesn't have the required properties, skip it */
1863         if( !( p_adaptor[ i_adaptor ].type & XvInputMask ) ||
1864             !( p_adaptor[ i_adaptor ].type & XvImageMask ) )
1865         {
1866             continue;
1867         }
1868
1869         /* Check that adaptor supports our requested format... */
1870         p_formats = XvListImageFormats( dpy, p_adaptor[i_adaptor].base_id,
1871                                         &i_num_formats );
1872
1873         for( i_format = 0;
1874              i_format < i_num_formats && ( i_selected_port == -1 );
1875              i_format++ )
1876         {
1877             /* Code removed, we can get this through xvinfo anyway */
1878 #if 0
1879             XvEncodingInfo  *p_enc;
1880             int             i_enc, i_num_encodings;
1881             XvAttribute     *p_attr;
1882             int             i_attr, i_num_attributes;
1883 #endif
1884
1885             /* If this is not the format we want, or at least a
1886              * similar one, forget it */
1887             if( !vout_ChromaCmp( p_formats[ i_format ].id, i_chroma ) )
1888             {
1889                 continue;
1890             }
1891
1892             /* Look for the first available port supporting this format */
1893             for( i_port = p_adaptor[i_adaptor].base_id;
1894                  ( i_port < p_adaptor[i_adaptor].base_id
1895                              + p_adaptor[i_adaptor].num_ports )
1896                    && ( i_selected_port == -1 );
1897                  i_port++ )
1898             {
1899                 if( XvGrabPort( dpy, i_port, CurrentTime ) == Success )
1900                 {
1901                     i_selected_port = i_port;
1902                     *pi_newchroma = p_formats[ i_format ].id;
1903                 }
1904             }
1905
1906             /* If no free port was found, forget it */
1907             if( i_selected_port == -1 )
1908             {
1909                 continue;
1910             }
1911
1912             /* If we found a port, print information about it */
1913             intf_WarnMsg( 3, "vout: found adaptor %i, port %i, "
1914                              "image format 0x%x (%4.4s) %s",
1915                              i_adaptor, i_selected_port,
1916                              p_formats[ i_format ].id,
1917                              (char *)&p_formats[ i_format ].id,
1918                              ( p_formats[ i_format ].format
1919                                 == XvPacked ) ? "packed" : "planar" );
1920
1921 #if 0
1922             intf_WarnMsg( 10, " encoding list:" );
1923
1924             if( XvQueryEncodings( dpy, i_selected_port,
1925                                   &i_num_encodings, &p_enc )
1926                  != Success )
1927             {
1928                 intf_WarnMsg( 10, "  XvQueryEncodings failed" );
1929                 continue;
1930             }
1931
1932             for( i_enc = 0; i_enc < i_num_encodings; i_enc++ )
1933             {
1934                 intf_WarnMsg( 10, "  id=%ld, name=%s, size=%ldx%ld,"
1935                                   " numerator=%d, denominator=%d",
1936                               p_enc[i_enc].encoding_id, p_enc[i_enc].name,
1937                               p_enc[i_enc].width, p_enc[i_enc].height,
1938                               p_enc[i_enc].rate.numerator,
1939                               p_enc[i_enc].rate.denominator );
1940             }
1941
1942             if( p_enc != NULL )
1943             {
1944                 XvFreeEncodingInfo( p_enc );
1945             }
1946
1947             intf_WarnMsg( 10, " attribute list:" );
1948             p_attr = XvQueryPortAttributes( dpy, i_selected_port,
1949                                             &i_num_attributes );
1950             for( i_attr = 0; i_attr < i_num_attributes; i_attr++ )
1951             {
1952                 intf_WarnMsg( 10,
1953                       "  name=%s, flags=[%s%s ], min=%i, max=%i",
1954                       p_attr[i_attr].name,
1955                       (p_attr[i_attr].flags & XvGettable) ? " get" : "",
1956                       (p_attr[i_attr].flags & XvSettable) ? " set" : "",
1957                       p_attr[i_attr].min_value, p_attr[i_attr].max_value );
1958             }
1959
1960             if( p_attr != NULL )
1961             {
1962                 XFree( p_attr );
1963             }
1964 #endif
1965         }
1966
1967         if( p_formats != NULL )
1968         {
1969             XFree( p_formats );
1970         }
1971
1972     }
1973
1974     if( i_num_adaptors > 0 )
1975     {
1976         XvFreeAdaptorInfo( p_adaptor );
1977     }
1978
1979     if( i_selected_port == -1 )
1980     {
1981         if( i_requested_adaptor == -1 )
1982         {
1983             intf_WarnMsg( 3, "vout: no free XVideo port found for format "
1984                              "0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
1985         }
1986         else
1987         {
1988             intf_WarnMsg( 3, "vout: XVideo adaptor %i does not have a free "
1989                              "XVideo port for format 0x%.8x (%4.4s)",
1990                              i_requested_adaptor, i_chroma, (char*)&i_chroma );
1991         }
1992     }
1993
1994     return( i_selected_port );
1995 }
1996
1997 /*****************************************************************************
1998  * XVideoReleasePort: release YUV12 port
1999  *****************************************************************************/
2000 static void XVideoReleasePort( Display *dpy, int i_port )
2001 {
2002     XvUngrabPort( dpy, i_port, CurrentTime );
2003 }
2004 #endif
2005
2006 /*****************************************************************************
2007  * InitDisplay: open and initialize X11 device
2008  *****************************************************************************
2009  * Create a window according to video output given size, and set other
2010  * properties according to the display properties.
2011  *****************************************************************************/
2012 static int InitDisplay( vout_thread_t *p_vout )
2013 {
2014 #ifdef MODULE_NAME_IS_x11
2015     XPixmapFormatValues *       p_formats;                 /* pixmap formats */
2016     XVisualInfo *               p_xvisual;           /* visuals informations */
2017     XVisualInfo                 xvisual_template;         /* visual template */
2018     int                         i_count;                       /* array size */
2019 #endif
2020
2021 #ifdef HAVE_SYS_SHM_H
2022 #   ifdef SYS_DARWIN
2023     /* FIXME : As of 2001-03-16, XFree4 for MacOS X does not support Xshm. */
2024     p_vout->p_sys->b_shm = 0;
2025 #   else
2026     p_vout->p_sys->b_shm = ( XShmQueryExtension( p_vout->p_sys->p_display )
2027                               == True );
2028 #   endif
2029     if( !p_vout->p_sys->b_shm )
2030 #endif
2031     {
2032         intf_WarnMsg( 1, "vout warning: XShm video extension is unavailable" );
2033     }
2034
2035 #ifdef MODULE_NAME_IS_xvideo
2036     /* XXX The brightness and contrast values should be read from environment
2037      * XXX variables... */
2038 #if 0
2039     XVideoSetAttribute( p_vout, "XV_BRIGHTNESS", 0.5 );
2040     XVideoSetAttribute( p_vout, "XV_CONTRAST",   0.5 );
2041 #endif
2042 #endif
2043
2044 #ifdef MODULE_NAME_IS_x11
2045     /* Initialize structure */
2046     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
2047
2048     /* Get screen depth */
2049     p_vout->p_sys->i_screen_depth = XDefaultDepth( p_vout->p_sys->p_display,
2050                                                    p_vout->p_sys->i_screen );
2051     switch( p_vout->p_sys->i_screen_depth )
2052     {
2053     case 8:
2054         /*
2055          * Screen depth is 8bpp. Use PseudoColor visual with private colormap.
2056          */
2057         xvisual_template.screen =   p_vout->p_sys->i_screen;
2058         xvisual_template.class =    DirectColor;
2059         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2060                                     VisualScreenMask | VisualClassMask,
2061                                     &xvisual_template, &i_count );
2062         if( p_xvisual == NULL )
2063         {
2064             intf_ErrMsg( "vout error: no PseudoColor visual available" );
2065             return( 1 );
2066         }
2067         p_vout->p_sys->i_bytes_per_pixel = 1;
2068         p_vout->output.pf_setpalette = SetPalette;
2069         break;
2070     case 15:
2071     case 16:
2072     case 24:
2073     default:
2074         /*
2075          * Screen depth is higher than 8bpp. TrueColor visual is used.
2076          */
2077         xvisual_template.screen =   p_vout->p_sys->i_screen;
2078         xvisual_template.class =    TrueColor;
2079         p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
2080                                     VisualScreenMask | VisualClassMask,
2081                                     &xvisual_template, &i_count );
2082         if( p_xvisual == NULL )
2083         {
2084             intf_ErrMsg( "vout error: no TrueColor visual available" );
2085             return( 1 );
2086         }
2087
2088         p_vout->output.i_rmask = p_xvisual->red_mask;
2089         p_vout->output.i_gmask = p_xvisual->green_mask;
2090         p_vout->output.i_bmask = p_xvisual->blue_mask;
2091
2092         /* There is no difference yet between 3 and 4 Bpp. The only way
2093          * to find the actual number of bytes per pixel is to list supported
2094          * pixmap formats. */
2095         p_formats = XListPixmapFormats( p_vout->p_sys->p_display, &i_count );
2096         p_vout->p_sys->i_bytes_per_pixel = 0;
2097
2098         for( ; i_count-- ; p_formats++ )
2099         {
2100             /* Under XFree4.0, the list contains pixmap formats available
2101              * through all video depths ; so we have to check against current
2102              * depth. */
2103             if( p_formats->depth == p_vout->p_sys->i_screen_depth )
2104             {
2105                 if( p_formats->bits_per_pixel / 8
2106                         > p_vout->p_sys->i_bytes_per_pixel )
2107                 {
2108                     p_vout->p_sys->i_bytes_per_pixel = p_formats->bits_per_pixel / 8;
2109                 }
2110             }
2111         }
2112         break;
2113     }
2114     p_vout->p_sys->p_visual = p_xvisual->visual;
2115     XFree( p_xvisual );
2116 #endif
2117
2118     return( 0 );
2119 }
2120
2121 #ifdef HAVE_SYS_SHM_H
2122 /*****************************************************************************
2123  * CreateShmImage: create an XImage or XvImage using shared memory extension
2124  *****************************************************************************
2125  * Prepare an XImage or XvImage for display function.
2126  * The order of the operations respects the recommandations of the mit-shm
2127  * document by J.Corbet and K.Packard. Most of the parameters were copied from
2128  * there. See http://ftp.xfree86.org/pub/XFree86/4.0/doc/mit-shm.TXT
2129  *****************************************************************************/
2130 static IMAGE_TYPE * CreateShmImage( Display* p_display, EXTRA_ARGS_SHM,
2131                                     int i_width, int i_height )
2132 {
2133     IMAGE_TYPE *p_image;
2134
2135     /* Create XImage / XvImage */
2136 #ifdef MODULE_NAME_IS_xvideo
2137     p_image = XvShmCreateImage( p_display, i_xvport, i_chroma, 0,
2138                                 i_width, i_height, p_shm );
2139 #else
2140     p_image = XShmCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2141                                p_shm, i_width, i_height );
2142 #endif
2143     if( p_image == NULL )
2144     {
2145         intf_ErrMsg( "vout error: image creation failed." );
2146         return( NULL );
2147     }
2148
2149     /* Allocate shared memory segment - 0776 set the access permission
2150      * rights (like umask), they are not yet supported by all X servers */
2151     p_shm->shmid = shmget( IPC_PRIVATE, DATA_SIZE(p_image), IPC_CREAT | 0776 );
2152     if( p_shm->shmid < 0 )
2153     {
2154         intf_ErrMsg( "vout error: cannot allocate shared image data (%s)",
2155                      strerror( errno ) );
2156         IMAGE_FREE( p_image );
2157         return( NULL );
2158     }
2159
2160     /* Attach shared memory segment to process (read/write) */
2161     p_shm->shmaddr = p_image->data = shmat( p_shm->shmid, 0, 0 );
2162     if(! p_shm->shmaddr )
2163     {
2164         intf_ErrMsg( "vout error: cannot attach shared memory (%s)",
2165                     strerror(errno));
2166         IMAGE_FREE( p_image );
2167         shmctl( p_shm->shmid, IPC_RMID, 0 );
2168         return( NULL );
2169     }
2170
2171     /* Read-only data. We won't be using XShmGetImage */
2172     p_shm->readOnly = True;
2173
2174     /* Attach shared memory segment to X server */
2175     if( XShmAttach( p_display, p_shm ) == False )
2176     {
2177         intf_ErrMsg( "vout error: cannot attach shared memory to X server" );
2178         IMAGE_FREE( p_image );
2179         shmctl( p_shm->shmid, IPC_RMID, 0 );
2180         shmdt( p_shm->shmaddr );
2181         return( NULL );
2182     }
2183
2184     /* Send image to X server. This instruction is required, since having
2185      * built a Shm XImage and not using it causes an error on XCloseDisplay,
2186      * and remember NOT to use XFlush ! */
2187     XSync( p_display, False );
2188
2189 #if 0
2190     /* Mark the shm segment to be removed when there are no more
2191      * attachements, so it is automatic on process exit or after shmdt */
2192     shmctl( p_shm->shmid, IPC_RMID, 0 );
2193 #endif
2194
2195     return( p_image );
2196 }
2197 #endif
2198
2199 /*****************************************************************************
2200  * CreateImage: create an XImage or XvImage
2201  *****************************************************************************
2202  * Create a simple image used as a buffer.
2203  *****************************************************************************/
2204 static IMAGE_TYPE * CreateImage( Display *p_display, EXTRA_ARGS,
2205                                  int i_width, int i_height )
2206 {
2207     byte_t *    p_data;                           /* image data storage zone */
2208     IMAGE_TYPE *p_image;
2209 #ifdef MODULE_NAME_IS_x11
2210     int         i_quantum;                     /* XImage quantum (see below) */
2211     int         i_bytes_per_line;
2212 #endif
2213
2214     /* Allocate memory for image */
2215 #ifdef MODULE_NAME_IS_xvideo
2216     p_data = (byte_t *) malloc( i_width * i_height * 2 ); /* XXX */
2217 #else
2218     i_bytes_per_line = i_width * i_bytes_per_pixel;
2219     p_data = (byte_t *) malloc( i_bytes_per_line * i_height );
2220 #endif
2221     if( !p_data )
2222     {
2223         intf_ErrMsg( "vout error: %s", strerror(ENOMEM));
2224         return( NULL );
2225     }
2226
2227 #ifdef MODULE_NAME_IS_x11
2228     /* Optimize the quantum of a scanline regarding its size - the quantum is
2229        a diviser of the number of bits between the start of two scanlines. */
2230     if( i_bytes_per_line & 0xf )
2231     {
2232         i_quantum = 0x8;
2233     }
2234     else if( i_bytes_per_line & 0x10 )
2235     {
2236         i_quantum = 0x10;
2237     }
2238     else
2239     {
2240         i_quantum = 0x20;
2241     }
2242 #endif
2243
2244     /* Create XImage. p_data will be automatically freed */
2245 #ifdef MODULE_NAME_IS_xvideo
2246     p_image = XvCreateImage( p_display, i_xvport, i_chroma,
2247                              p_data, i_width, i_height );
2248 #else
2249     p_image = XCreateImage( p_display, p_visual, i_depth, ZPixmap, 0,
2250                             p_data, i_width, i_height, i_quantum, 0 );
2251 #endif
2252     if( p_image == NULL )
2253     {
2254         intf_ErrMsg( "vout error: XCreateImage() failed" );
2255         free( p_data );
2256         return( NULL );
2257     }
2258
2259     return p_image;
2260 }
2261
2262 #ifdef MODULE_NAME_IS_x11
2263 /*****************************************************************************
2264  * SetPalette: sets an 8 bpp palette
2265  *****************************************************************************
2266  * This function sets the palette given as an argument. It does not return
2267  * anything, but could later send information on which colors it was unable
2268  * to set.
2269  *****************************************************************************/
2270 static void SetPalette( vout_thread_t *p_vout, u16 *red, u16 *green, u16 *blue )
2271 {
2272     int i;
2273     XColor p_colors[255];
2274
2275     /* allocate palette */
2276     for( i = 0; i < 255; i++ )
2277     {
2278         /* kludge: colors are indexed reversely because color 255 seems
2279          * to be reserved for black even if we try to set it to white */
2280         p_colors[ i ].pixel = 255 - i;
2281         p_colors[ i ].pad   = 0;
2282         p_colors[ i ].flags = DoRed | DoGreen | DoBlue;
2283         p_colors[ i ].red   = red[ 255 - i ];
2284         p_colors[ i ].blue  = blue[ 255 - i ];
2285         p_colors[ i ].green = green[ 255 - i ];
2286     }
2287
2288     XStoreColors( p_vout->p_sys->p_display,
2289                   p_vout->p_sys->colormap, p_colors, 255 );
2290 }
2291 #endif
2292