git.sesse.net Git - vlc/blob - modules/video_output/msw/wingdi.c

   1 /*****************************************************************************
   2  * wingdi.c : Win32 / WinCE GDI video output plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   8  *          Samuel Hocevar <sam@zoy.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #ifdef HAVE_CONFIG_H
  30 # include "config.h"
  31 #endif
  32
  33 #include <vlc_common.h>
  34 #include <vlc_plugin.h>
  35 #include <vlc_interface.h>
  36 #include <vlc_playlist.h>
  37 #include <vlc_vout.h>
  38
  39 #include <commctrl.h>
  40
  41 #include "vout.h"
  42
  43 #ifdef MODULE_NAME_IS_wingapi
  44     typedef struct GXDisplayProperties {
  45         DWORD cxWidth;
  46         DWORD cyHeight;
  47         long cbxPitch;
  48         long cbyPitch;
  49         long cBPP;
  50         DWORD ffFormat;
  51     } GXDisplayProperties;
  52
  53     typedef struct GXScreenRect {
  54         DWORD dwTop;
  55         DWORD dwLeft;
  56         DWORD dwWidth;
  57         DWORD dwHeight;
  58     } GXScreenRect;
  59
  60 #   define GX_FULLSCREEN    0x01
  61 #   define GX_NORMALKEYS    0x02
  62 #   define GX_LANDSCAPEKEYS 0x03
  63
  64 #   ifndef kfLandscape
  65 #       define kfLandscape      0x8
  66 #       define kfPalette        0x10
  67 #       define kfDirect         0x20
  68 #       define kfDirect555      0x40
  69 #       define kfDirect565      0x80
  70 #       define kfDirect888      0x100
  71 #       define kfDirect444      0x200
  72 #       define kfDirectInverted 0x400
  73 #   endif
  74 #endif /* MODULE_NAME_IS_wingapi */
  75
  76 #define MAX_DIRECTBUFFERS 10
  77
  78 #ifdef UNDER_CE
  79 #ifndef WS_OVERLAPPEDWINDOW
  80 #   define WS_OVERLAPPEDWINDOW 0xcf0000
  81 #endif
  82 #ifndef WS_EX_NOPARENTNOTIFY
  83 #   define WS_EX_NOPARENTNOTIFY 4
  84 #endif
  85 #ifndef WS_EX_APPWINDOW
  86 #define WS_EX_APPWINDOW 0x40000
  87 #endif
  88 #define SetWindowLongPtr SetWindowLong
  89 #define GetWindowLongPtr GetWindowLong
  90 #define GWLP_USERDATA GWL_USERDATA
  91 #define AdjustWindowRect(a,b,c)
  92 #endif //UNDER_CE
  93
  94 #ifndef WS_NONAVDONEBUTTON
  95 #define WS_NONAVDONEBUTTON 0
  96 #endif
  97 /*****************************************************************************
  98  * Local prototypes
  99  *****************************************************************************/
 100 static int  OpenVideo  ( vlc_object_t * );
 101 static void CloseVideo ( vlc_object_t * );
 102
 103 static int  Init      ( vout_thread_t * );
 104 static void End       ( vout_thread_t * );
 105 static int  Manage    ( vout_thread_t * );
 106 static void Render    ( vout_thread_t *, picture_t * );
 107 #ifdef MODULE_NAME_IS_wingapi
 108 static void FirstDisplayGAPI( vout_thread_t *, picture_t * );
 109 static void DisplayGAPI( vout_thread_t *, picture_t * );
 110 static int GAPILockSurface( vout_thread_t *, picture_t * );
 111 static int GAPIUnlockSurface( vout_thread_t *, picture_t * );
 112 #else
 113 static void FirstDisplayGDI( vout_thread_t *, picture_t * );
 114 static void DisplayGDI( vout_thread_t *, picture_t * );
 115 #endif
 116 static void SetPalette( vout_thread_t *, uint16_t *, uint16_t *, uint16_t * );
 117
 118 static void InitBuffers        ( vout_thread_t * );
 119
 120 #ifdef MODULE_NAME_IS_wingapi
 121 #   define GXOpenDisplay p_vout->p_sys->GXOpenDisplay
 122 #   define GXCloseDisplay p_vout->p_sys->GXCloseDisplay
 123 #   define GXBeginDraw p_vout->p_sys->GXBeginDraw
 124 #   define GXEndDraw p_vout->p_sys->GXEndDraw
 125 #   define GXGetDisplayProperties p_vout->p_sys->GXGetDisplayProperties
 126 #   define GXSuspend p_vout->p_sys->GXSuspend
 127 #   define GXResume p_vout->p_sys->GXResume
 128 #endif
 129
 130 #define DX_POSITION_CHANGE 0x1000
 131
 132 /*****************************************************************************
 133  * Module descriptor
 134  *****************************************************************************/
 135 vlc_module_begin();
 136     set_category( CAT_VIDEO );
 137     set_subcategory( SUBCAT_VIDEO_VOUT );
 138 #ifdef MODULE_NAME_IS_wingapi
 139     set_shortname( "Windows GAPI" );
 140     set_description( N_("Windows GAPI video output") );
 141     set_capability( "video output", 20 );
 142 #else
 143     set_shortname( "Windows GDI" );
 144     set_description( N_("Windows GDI video output") );
 145     set_capability( "video output", 10 );
 146 #endif
 147     set_callbacks( OpenVideo, CloseVideo );
 148 vlc_module_end();
 149
 150 /*****************************************************************************
 151  * OpenVideo: activate GDI video thread output method
 152  *****************************************************************************/
 153 static int OpenVideo ( vlc_object_t *p_this )
 154 {
 155     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 156     vlc_value_t val;
 157
 158     p_vout->p_sys = (vout_sys_t *)malloc( sizeof(vout_sys_t) );
 159     if( !p_vout->p_sys ) return VLC_ENOMEM;
 160     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 161
 162 #ifdef MODULE_NAME_IS_wingapi
 163     /* Load GAPI */
 164     p_vout->p_sys->gapi_dll = LoadLibrary( _T("GX.DLL") );
 165     if( p_vout->p_sys->gapi_dll == NULL )
 166     {
 167         msg_Warn( p_vout, "failed loading gx.dll" );
 168         free( p_vout->p_sys );
 169         return VLC_EGENERIC;
 170     }
 171
 172     GXOpenDisplay = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 173         _T("?GXOpenDisplay@@YAHPAUHWND__@@K@Z") );
 174     GXCloseDisplay = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 175         _T("?GXCloseDisplay@@YAHXZ") );
 176     GXBeginDraw = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 177         _T("?GXBeginDraw@@YAPAXXZ") );
 178     GXEndDraw = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 179         _T("?GXEndDraw@@YAHXZ") );
 180     GXGetDisplayProperties = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 181         _T("?GXGetDisplayProperties@@YA?AUGXDisplayProperties@@XZ") );
 182     GXSuspend = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 183         _T("?GXSuspend@@YAHXZ") );
 184     GXResume = GetProcAddress( p_vout->p_sys->gapi_dll,
 185         _T("?GXResume@@YAHXZ") );
 186
 187     if( !GXOpenDisplay || !GXCloseDisplay || !GXBeginDraw || !GXEndDraw ||
 188         !GXGetDisplayProperties || !GXSuspend || !GXResume )
 189     {
 190         msg_Err( p_vout, "failed GetProcAddress on gapi.dll" );
 191         free( p_vout->p_sys );
 192         return VLC_EGENERIC;
 193     }
 194
 195     msg_Dbg( p_vout, "GAPI DLL loaded" );
 196
 197     p_vout->p_sys->render_width = p_vout->render.i_width;
 198     p_vout->p_sys->render_height = p_vout->render.i_height;
 199 #endif
 200
 201     p_vout->p_sys->p_event = (vlc_object_t *)
 202         vlc_object_create( p_vout, sizeof( vlc_object_t ) );
 203     if( !p_vout->p_sys->p_event )
 204     {
 205         free( p_vout->p_sys );
 206         return VLC_ENOMEM;
 207     }
 208
 209     p_vout->pf_init = Init;
 210     p_vout->pf_end = End;
 211     p_vout->pf_manage = Manage;
 212     p_vout->pf_render = Render;
 213 #ifdef MODULE_NAME_IS_wingapi
 214     p_vout->pf_display = FirstDisplayGAPI;
 215
 216     p_vout->p_sys->b_focus = 0;
 217     p_vout->p_sys->b_parent_focus = 0;
 218
 219 #else
 220     p_vout->pf_display = FirstDisplayGDI;
 221 #endif
 222
 223     p_vout->p_sys->hwnd = p_vout->p_sys->hvideownd = NULL;
 224     p_vout->p_sys->hparent = p_vout->p_sys->hfswnd = NULL;
 225     p_vout->p_sys->i_changes = 0;
 226     vlc_mutex_init( &p_vout->p_sys->lock );
 227     SetRectEmpty( &p_vout->p_sys->rect_display );
 228     SetRectEmpty( &p_vout->p_sys->rect_parent );
 229
 230     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 231     var_Create( p_vout, "disable-screensaver", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 232
 233     p_vout->p_sys->b_cursor_hidden = 0;
 234     p_vout->p_sys->i_lastmoved = mdate();
 235     p_vout->p_sys->i_mouse_hide_timeout =
 236         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 237
 238     /* Set main window's size */
 239     p_vout->p_sys->i_window_width = p_vout->i_window_width;
 240     p_vout->p_sys->i_window_height = p_vout->i_window_height;
 241
 242     /* Create the EventThread, this thread is created by us to isolate
 243      * the Win32 PeekMessage function calls. We want to do this because
 244      * Windows can stay blocked inside this call for a long time, and when
 245      * this happens it thus blocks vlc's video_output thread.
 246      * Vout EventThread will take care of the creation of the video
 247      * window (because PeekMessage has to be called from the same thread which
 248      * created the window). */
 249     msg_Dbg( p_vout, "creating Vout EventThread" );
 250     p_vout->p_sys->p_event =
 251         vlc_object_create( p_vout, sizeof(event_thread_t) );
 252     p_vout->p_sys->p_event->p_vout = p_vout;
 253     if( vlc_thread_create( p_vout->p_sys->p_event, "VLC Vout Events Thread",
 254                            EventThread, 0, 1 ) )
 255     {
 256         msg_Err( p_vout, "cannot create Vout EventThread" );
 257         vlc_object_release( p_vout->p_sys->p_event );
 258         p_vout->p_sys->p_event = NULL;
 259         goto error;
 260     }
 261
 262     if( p_vout->p_sys->p_event->b_error )
 263     {
 264         msg_Err( p_vout, "Vout EventThread failed" );
 265         goto error;
 266     }
 267
 268     vlc_object_attach( p_vout->p_sys->p_event, p_vout );
 269
 270     msg_Dbg( p_vout, "Vout EventThread running" );
 271
 272 #ifndef UNDER_CE
 273     /* Variable to indicate if the window should be on top of others */
 274     /* Trigger a callback right now */
 275     var_Get( p_vout, "video-on-top", &val );
 276     var_Set( p_vout, "video-on-top", val );
 277
 278     /* disable screensaver by temporarily changing system settings */
 279     p_vout->p_sys->i_spi_lowpowertimeout = 0;
 280     p_vout->p_sys->i_spi_powerofftimeout = 0;
 281     p_vout->p_sys->i_spi_screensavetimeout = 0;
 282     var_Get( p_vout, "disable-screensaver", &val);
 283     if( val.b_bool ) {
 284         msg_Dbg(p_vout, "disabling screen saver");
 285         SystemParametersInfo(SPI_GETLOWPOWERTIMEOUT,
 286             0, &(p_vout->p_sys->i_spi_lowpowertimeout), 0);
 287         if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 288             SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT, 0, NULL, 0);
 289         }
 290         SystemParametersInfo(SPI_GETPOWEROFFTIMEOUT, 0,
 291             &(p_vout->p_sys->i_spi_powerofftimeout), 0);
 292         if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 293             SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT, 0, NULL, 0);
 294         }
 295         SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0,
 296             &(p_vout->p_sys->i_spi_screensavetimeout), 0);
 297         if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 298             SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, 0, NULL, 0);
 299         }
 300     }
 301 #endif
 302     return VLC_SUCCESS;
 303
 304 error:
 305     CloseVideo( VLC_OBJECT(p_vout) );
 306     return VLC_EGENERIC;
 307 }
 308
 309 /*****************************************************************************
 310  * CloseVideo: deactivate the GDI video output
 311  *****************************************************************************/
 312 static void CloseVideo ( vlc_object_t *p_this )
 313 {
 314     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 315
 316     if( p_vout->p_sys->p_event )
 317     {
 318         vlc_object_detach( p_vout->p_sys->p_event );
 319
 320         /* Kill Vout EventThread */
 321         vlc_object_kill( p_vout->p_sys->p_event );
 322
 323         /* we need to be sure Vout EventThread won't stay stuck in
 324          * GetMessage, so we send a fake message */
 325         if( p_vout->p_sys->hwnd )
 326         {
 327             PostMessage( p_vout->p_sys->hwnd, WM_NULL, 0, 0);
 328         }
 329
 330         vlc_thread_join( p_vout->p_sys->p_event );
 331         vlc_object_release( p_vout->p_sys->p_event );
 332     }
 333     vlc_mutex_destroy( &p_vout->p_sys->lock );
 334
 335 #ifndef UNDER_CE
 336     /* restore screensaver system settings */
 337     if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 338         SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT,
 339             p_vout->p_sys->i_spi_lowpowertimeout, NULL, 0);
 340     }
 341     if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 342         SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT,
 343             p_vout->p_sys->i_spi_powerofftimeout, NULL, 0);
 344     }
 345     if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 346         SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT,
 347             p_vout->p_sys->i_spi_screensavetimeout, NULL, 0);
 348     }
 349 #endif
 350
 351 #ifdef MODULE_NAME_IS_wingapi
 352     FreeLibrary( p_vout->p_sys->gapi_dll );
 353 #endif
 354
 355     if( p_vout->p_sys )
 356     {
 357         free( p_vout->p_sys );
 358         p_vout->p_sys = NULL;
 359     }
 360 }
 361
 362 /*****************************************************************************
 363  * Init: initialize video thread output method
 364  *****************************************************************************/
 365 static int Init( vout_thread_t *p_vout )
 366 {
 367     picture_t *p_pic;
 368
 369     /* Initialize offscreen buffer */
 370     InitBuffers( p_vout );
 371
 372     p_vout->p_sys->rect_display.left = 0;
 373     p_vout->p_sys->rect_display.top = 0;
 374     p_vout->p_sys->rect_display.right  = GetSystemMetrics(SM_CXSCREEN);
 375     p_vout->p_sys->rect_display.bottom = GetSystemMetrics(SM_CYSCREEN);
 376
 377     I_OUTPUTPICTURES = 0;
 378
 379     /* Initialize the output structure */
 380     switch( p_vout->p_sys->i_depth )
 381     {
 382     case 8:
 383         p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
 384         p_vout->output.pf_setpalette = SetPalette;
 385         break;
 386     case 15:
 387         p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
 388         p_vout->output.i_rmask  = 0x7c00;
 389         p_vout->output.i_gmask  = 0x03e0;
 390         p_vout->output.i_bmask  = 0x001f;
 391         break;
 392     case 16:
 393         p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
 394         p_vout->output.i_rmask  = 0xf800;
 395         p_vout->output.i_gmask  = 0x07e0;
 396         p_vout->output.i_bmask  = 0x001f;
 397         break;
 398     case 24:
 399         p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
 400         p_vout->output.i_rmask  = 0x00ff0000;
 401         p_vout->output.i_gmask  = 0x0000ff00;
 402         p_vout->output.i_bmask  = 0x000000ff;
 403         break;
 404     case 32:
 405         p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
 406         p_vout->output.i_rmask  = 0x00ff0000;
 407         p_vout->output.i_gmask  = 0x0000ff00;
 408         p_vout->output.i_bmask  = 0x000000ff;
 409         break;
 410     default:
 411         msg_Err( p_vout, "screen depth %i not supported",
 412                  p_vout->p_sys->i_depth );
 413         return VLC_EGENERIC;
 414         break;
 415     }
 416
 417     p_pic = &p_vout->p_picture[0];
 418
 419 #ifdef MODULE_NAME_IS_wingapi
 420     p_vout->output.i_width  = 0;
 421     p_vout->output.i_height = 0;
 422     p_pic->pf_lock  = GAPILockSurface;
 423     p_pic->pf_unlock = GAPIUnlockSurface;
 424     Manage( p_vout );
 425     GAPILockSurface( p_vout, p_pic );
 426     p_vout->i_changes = 0;
 427     p_vout->output.i_width  = p_vout->p_sys->render_width;
 428     p_vout->output.i_height = p_vout->p_sys->render_height;
 429
 430 #else
 431     p_vout->output.i_width  = p_vout->render.i_width;
 432     p_vout->output.i_height = p_vout->render.i_height;
 433
 434     p_vout->fmt_out = p_vout->fmt_in;
 435     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 436 #endif
 437
 438     p_vout->output.i_aspect = p_vout->render.i_aspect;
 439
 440     p_pic->p->p_pixels = p_vout->p_sys->p_pic_buffer;
 441     p_pic->p->i_lines = p_vout->output.i_height;
 442     p_pic->p->i_visible_lines = p_vout->output.i_height;
 443     p_pic->p->i_pitch = p_vout->p_sys->i_pic_pitch;
 444     p_pic->p->i_pixel_pitch = p_vout->p_sys->i_pic_pixel_pitch;
 445     p_pic->p->i_visible_pitch = p_vout->output.i_width *
 446         p_pic->p->i_pixel_pitch;
 447     p_pic->i_planes = 1;
 448     p_pic->i_status = DESTROYED_PICTURE;
 449     p_pic->i_type   = DIRECT_PICTURE;
 450
 451     PP_OUTPUTPICTURE[ I_OUTPUTPICTURES++ ] = p_pic;
 452
 453     /* Change the window title bar text */
 454     PostMessage( p_vout->p_sys->hwnd, WM_VLC_CHANGE_TEXT, 0, 0 );
 455     UpdateRects( p_vout, true );
 456
 457     return VLC_SUCCESS;
 458 }
 459
 460 /*****************************************************************************
 461  * End: terminate video thread output method
 462  *****************************************************************************/
 463 static void End( vout_thread_t *p_vout )
 464 {
 465 #ifdef MODULE_NAME_IS_wingapi
 466     GXCloseDisplay();
 467 #else
 468     DeleteDC( p_vout->p_sys->off_dc );
 469     DeleteObject( p_vout->p_sys->off_bitmap );
 470 #endif
 471 }
 472
 473 /*****************************************************************************
 474  * Manage: handle events
 475  *****************************************************************************
 476  * This function should be called regularly by video output thread. It manages
 477  * console events. It returns a non null value on error.
 478  *****************************************************************************/
 479 static int Manage( vout_thread_t *p_vout )
 480 {
 481     /* If we do not control our window, we check for geometry changes
 482      * ourselves because the parent might not send us its events. */
 483     vlc_mutex_lock( &p_vout->p_sys->lock );
 484     if( p_vout->p_sys->hparent && !p_vout->b_fullscreen )
 485     {
 486         RECT rect_parent;
 487         POINT point;
 488
 489         vlc_mutex_unlock( &p_vout->p_sys->lock );
 490
 491         GetClientRect( p_vout->p_sys->hparent, &rect_parent );
 492         point.x = point.y = 0;
 493         ClientToScreen( p_vout->p_sys->hparent, &point );
 494         OffsetRect( &rect_parent, point.x, point.y );
 495
 496         if( !EqualRect( &rect_parent, &p_vout->p_sys->rect_parent ) )
 497         {
 498             int i_x, i_y, i_width, i_height;
 499             p_vout->p_sys->rect_parent = rect_parent;
 500
 501             /* This one is to force the update even if only
 502              * the position has changed */
 503             SetWindowPos( p_vout->p_sys->hwnd, 0, 1, 1,
 504                           rect_parent.right - rect_parent.left,
 505                           rect_parent.bottom - rect_parent.top, 0 );
 506
 507             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 508                           rect_parent.right - rect_parent.left,
 509                           rect_parent.bottom - rect_parent.top, 0 );
 510
 511             vout_PlacePicture( p_vout, rect_parent.right - rect_parent.left,
 512                                rect_parent.bottom - rect_parent.top,
 513                                &i_x, &i_y, &i_width, &i_height );
 514
 515             SetWindowPos( p_vout->p_sys->hvideownd, HWND_TOP,
 516                           i_x, i_y, i_width, i_height, 0 );
 517         }
 518     }
 519     else
 520     {
 521         vlc_mutex_unlock( &p_vout->p_sys->lock );
 522     }
 523
 524     /* Check for cropping / aspect changes */
 525     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 526         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 527     {
 528         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 529         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 530
 531         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 532         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 533         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 534         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 535         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 536         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 537         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 538         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 539         UpdateRects( p_vout, true );
 540     }
 541
 542     /*
 543      * Position Change
 544      */
 545     if( p_vout->p_sys->i_changes & DX_POSITION_CHANGE )
 546     {
 547         p_vout->p_sys->i_changes &= ~DX_POSITION_CHANGE;
 548     }
 549
 550     /* We used to call the Win32 PeekMessage function here to read the window
 551      * messages. But since window can stay blocked into this function for a
 552      * long time (for example when you move your window on the screen), I
 553      * decided to isolate PeekMessage in another thread. */
 554
 555     /*
 556      * Fullscreen change
 557      */
 558     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE
 559         || p_vout->p_sys->i_changes & VOUT_FULLSCREEN_CHANGE )
 560     {
 561         Win32ToggleFullscreen( p_vout );
 562
 563         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 564         p_vout->p_sys->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 565     }
 566
 567     /*
 568      * Pointer change
 569      */
 570     if( p_vout->b_fullscreen && !p_vout->p_sys->b_cursor_hidden &&
 571         (mdate() - p_vout->p_sys->i_lastmoved) >
 572             p_vout->p_sys->i_mouse_hide_timeout )
 573     {
 574         POINT point;
 575         HWND hwnd;
 576
 577         /* Hide the cursor only if it is inside our window */
 578         GetCursorPos( &point );
 579         hwnd = WindowFromPoint(point);
 580         if( hwnd == p_vout->p_sys->hwnd || hwnd == p_vout->p_sys->hvideownd )
 581         {
 582             PostMessage( p_vout->p_sys->hwnd, WM_VLC_HIDE_MOUSE, 0, 0 );
 583         }
 584         else
 585         {
 586             p_vout->p_sys->i_lastmoved = mdate();
 587         }
 588     }
 589
 590     /*
 591      * "Always on top" status change
 592      */
 593     if( p_vout->p_sys->b_on_top_change )
 594     {
 595         vlc_value_t val;
 596         HMENU hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 597
 598         var_Get( p_vout, "video-on-top", &val );
 599
 600         /* Set the window on top if necessary */
 601         if( val.b_bool && !( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 602                            & WS_EX_TOPMOST ) )
 603         {
 604             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 605                            MF_BYCOMMAND | MFS_CHECKED );
 606             SetWindowPos( p_vout->p_sys->hwnd, HWND_TOPMOST, 0, 0, 0, 0,
 607                           SWP_NOSIZE | SWP_NOMOVE );
 608         }
 609         else
 610         /* The window shouldn't be on top */
 611         if( !val.b_bool && ( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 612                            & WS_EX_TOPMOST ) )
 613         {
 614             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 615                            MF_BYCOMMAND | MFS_UNCHECKED );
 616             SetWindowPos( p_vout->p_sys->hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
 617                           SWP_NOSIZE | SWP_NOMOVE );
 618         }
 619
 620         p_vout->p_sys->b_on_top_change = false;
 621     }
 622
 623     /* Check if the event thread is still running */
 624     if( !vlc_object_alive (p_vout->p_sys->p_event) )
 625     {
 626         return VLC_EGENERIC; /* exit */
 627     }
 628
 629     return VLC_SUCCESS;
 630 }
 631
 632 /*****************************************************************************
 633  * Render: render previously calculated output
 634  *****************************************************************************/
 635 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
 636 {
 637     /* No need to do anything, the fake direct buffers stay as they are */
 638 }
 639
 640 /*****************************************************************************
 641  * Display: displays previously rendered output
 642  *****************************************************************************/
 643 #define rect_src p_vout->p_sys->rect_src
 644 #define rect_src_clipped p_vout->p_sys->rect_src_clipped
 645 #define rect_dest p_vout->p_sys->rect_dest
 646 #define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
 647
 648 #ifndef MODULE_NAME_IS_wingapi
 649 static void DisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
 650 {
 651     vout_sys_t *p_sys = p_vout->p_sys;
 652     RECT rect_dst = rect_dest_clipped;
 653     HDC hdc = GetDC( p_sys->hvideownd );
 654
 655     OffsetRect( &rect_dst, -rect_dest.left, -rect_dest.top );
 656     SelectObject( p_sys->off_dc, p_sys->off_bitmap );
 657
 658     if( rect_dest_clipped.right - rect_dest_clipped.left !=
 659         rect_src_clipped.right - rect_src_clipped.left ||
 660         rect_dest_clipped.bottom - rect_dest_clipped.top !=
 661         rect_src_clipped.bottom - rect_src_clipped.top )
 662     {
 663         StretchBlt( hdc, rect_dst.left, rect_dst.top,
 664                     rect_dst.right, rect_dst.bottom,
 665                     p_sys->off_dc, rect_src_clipped.left, rect_src_clipped.top,
 666                     rect_src_clipped.right, rect_src_clipped.bottom, SRCCOPY );
 667     }
 668     else
 669     {
 670         BitBlt( hdc, rect_dst.left, rect_dst.top,
 671                 rect_dst.right, rect_dst.bottom,
 672                 p_sys->off_dc, rect_src_clipped.left,
 673                 rect_src_clipped.top, SRCCOPY );
 674     }
 675
 676     ReleaseDC( p_sys->hvideownd, hdc );
 677 }
 678
 679 static void FirstDisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
 680 {
 681     /*
 682     ** Video window is initially hidden, show it now since we got a
 683     ** picture to show.
 684     */
 685     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 686         SWP_ASYNCWINDOWPOS|
 687         SWP_FRAMECHANGED|
 688         SWP_SHOWWINDOW|
 689         SWP_NOMOVE|
 690         SWP_NOSIZE|
 691         SWP_NOZORDER );
 692
 693     /* get initial picture presented */
 694     DisplayGDI(p_vout, p_pic);
 695
 696     /* use and restores proper display function for further pictures */
 697     p_vout->pf_display = DisplayGDI;
 698 }
 699
 700 #else
 701
 702 static int GAPILockSurface( vout_thread_t *p_vout, picture_t *p_pic )
 703 {
 704     vout_sys_t *p_sys = p_vout->p_sys;
 705     int i_x, i_y, i_width, i_height;
 706     RECT video_rect;
 707     POINT point;
 708
 709     GetClientRect( p_sys->hwnd, &video_rect);
 710     vout_PlacePicture( p_vout, video_rect.right - video_rect.left,
 711                        video_rect.bottom - video_rect.top,
 712                        &i_x, &i_y, &i_width, &i_height );
 713     point.x = point.y = 0;
 714     ClientToScreen( p_sys->hwnd, &point );
 715     i_x += point.x + video_rect.left;
 716     i_y += point.y + video_rect.top;
 717
 718     if( i_width != p_vout->output.i_width ||
 719         i_height != p_vout->output.i_height )
 720     {
 721         GXDisplayProperties gxdisplayprop = GXGetDisplayProperties();
 722
 723         p_sys->render_width = i_width;
 724         p_sys->render_height = i_height;
 725         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 726
 727         msg_Dbg( p_vout, "vout size change (%ix%i -> %ix%i)",
 728                  i_width, i_height, p_vout->output.i_width,
 729                  p_vout->output.i_height );
 730
 731         p_vout->p_sys->i_pic_pixel_pitch = gxdisplayprop.cbxPitch;
 732         p_vout->p_sys->i_pic_pitch = gxdisplayprop.cbyPitch;
 733         return VLC_EGENERIC;
 734     }
 735     else
 736     {
 737         GXDisplayProperties gxdisplayprop;
 738         RECT display_rect, dest_rect;
 739         uint8_t *p_dest, *p_src = p_pic->p->p_pixels;
 740
 741         video_rect.left = i_x; video_rect.top = i_y;
 742         video_rect.right = i_x + i_width;
 743         video_rect.bottom = i_y + i_height;
 744
 745         gxdisplayprop = GXGetDisplayProperties();
 746         display_rect.left = 0; display_rect.top = 0;
 747         display_rect.right = gxdisplayprop.cxWidth;
 748         display_rect.bottom = gxdisplayprop.cyHeight;
 749
 750         if( !IntersectRect( &dest_rect, &video_rect, &display_rect ) )
 751         {
 752             return VLC_EGENERIC;
 753         }
 754
 755 #if 0
 756         msg_Err( p_vout, "video (%d,%d,%d,%d) display (%d,%d,%d,%d) "
 757                  "dest (%d,%d,%d,%d)",
 758                  video_rect.left, video_rect.right,
 759                  video_rect.top, video_rect.bottom,
 760                  display_rect.left, display_rect.right,
 761                  display_rect.top, display_rect.bottom,
 762                  dest_rect.left, dest_rect.right,
 763                  dest_rect.top, dest_rect.bottom );
 764 #endif
 765
 766         if( !(p_dest = GXBeginDraw()) )
 767         {
 768 #if 0
 769             msg_Err( p_vout, "GXBeginDraw error %d ", GetLastError() );
 770 #endif
 771             return VLC_EGENERIC;
 772         }
 773
 774         p_src += (dest_rect.left - video_rect.left) * gxdisplayprop.cbxPitch +
 775             (dest_rect.top - video_rect.top) * p_pic->p->i_pitch;
 776         p_dest += dest_rect.left * gxdisplayprop.cbxPitch +
 777             dest_rect.top * gxdisplayprop.cbyPitch;
 778         i_width = dest_rect.right - dest_rect.left;
 779         i_height = dest_rect.bottom - dest_rect.top;
 780
 781         p_pic->p->p_pixels = p_dest;
 782     }
 783
 784     return VLC_SUCCESS;
 785 }
 786
 787 static int GAPIUnlockSurface( vout_thread_t *p_vout, picture_t *p_pic )
 788 {
 789     GXEndDraw();
 790     return VLC_SUCCESS;
 791 }
 792
 793 static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
 794 {
 795 }
 796
 797 static void FirstDisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
 798 {
 799     /* get initial picture presented through D3D */
 800     DisplayGAPI(p_vout, p_pic);
 801
 802     /*
 803     ** Video window is initially hidden, show it now since we got a
 804     ** picture to show.
 805     */
 806     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 807         SWP_ASYNCWINDOWPOS|
 808         SWP_FRAMECHANGED|
 809         SWP_SHOWWINDOW|
 810         SWP_NOMOVE|
 811         SWP_NOSIZE|
 812         SWP_NOZORDER );
 813
 814     /* use and restores proper display function for further pictures */
 815     p_vout->pf_display = DisplayGAPI;
 816 }
 817
 818 #endif
 819
 820 #undef rect_src
 821 #undef rect_src_clipped
 822 #undef rect_dest
 823 #undef rect_dest_clipped
 824 /*****************************************************************************
 825  * SetPalette: sets an 8 bpp palette
 826  *****************************************************************************/
 827 static void SetPalette( vout_thread_t *p_vout,
 828                         uint16_t *red, uint16_t *green, uint16_t *blue )
 829 {
 830     msg_Err( p_vout, "FIXME: SetPalette unimplemented" );
 831 }
 832
 833 /*****************************************************************************
 834  * InitBuffers: initialize an offscreen bitmap for direct buffer operations.
 835  *****************************************************************************/
 836 static void InitBuffers( vout_thread_t *p_vout )
 837 {
 838     BITMAPINFOHEADER *p_header = &p_vout->p_sys->bitmapinfo.bmiHeader;
 839     BITMAPINFO *p_info = &p_vout->p_sys->bitmapinfo;
 840     HDC window_dc = GetDC( p_vout->p_sys->hvideownd );
 841
 842     /* Get screen properties */
 843 #ifdef MODULE_NAME_IS_wingapi
 844     GXDisplayProperties gx_displayprop = GXGetDisplayProperties();
 845     p_vout->p_sys->i_depth = gx_displayprop.cBPP;
 846 #else
 847     p_vout->p_sys->i_depth = GetDeviceCaps( window_dc, PLANES ) *
 848         GetDeviceCaps( window_dc, BITSPIXEL );
 849 #endif
 850     msg_Dbg( p_vout, "GDI depth is %i", p_vout->p_sys->i_depth );
 851
 852 #ifdef MODULE_NAME_IS_wingapi
 853     GXOpenDisplay( p_vout->p_sys->hvideownd, GX_FULLSCREEN );
 854
 855 #else
 856
 857     /* Initialize offscreen bitmap */
 858     memset( p_info, 0, sizeof( BITMAPINFO ) + 3 * sizeof( RGBQUAD ) );
 859
 860     p_header->biSize = sizeof( BITMAPINFOHEADER );
 861     p_header->biSizeImage = 0;
 862     p_header->biPlanes = 1;
 863     switch( p_vout->p_sys->i_depth )
 864     {
 865     case 8:
 866         p_header->biBitCount = 8;
 867         p_header->biCompression = BI_RGB;
 868         /* FIXME: we need a palette here */
 869         break;
 870     case 15:
 871         p_header->biBitCount = 15;
 872         p_header->biCompression = BI_BITFIELDS;//BI_RGB;
 873         ((DWORD*)p_info->bmiColors)[0] = 0x00007c00;
 874         ((DWORD*)p_info->bmiColors)[1] = 0x000003e0;
 875         ((DWORD*)p_info->bmiColors)[2] = 0x0000001f;
 876         break;
 877     case 16:
 878         p_header->biBitCount = 16;
 879         p_header->biCompression = BI_BITFIELDS;//BI_RGB;
 880         ((DWORD*)p_info->bmiColors)[0] = 0x0000f800;
 881         ((DWORD*)p_info->bmiColors)[1] = 0x000007e0;
 882         ((DWORD*)p_info->bmiColors)[2] = 0x0000001f;
 883         break;
 884     case 24:
 885         p_header->biBitCount = 24;
 886         p_header->biCompression = BI_RGB;
 887         ((DWORD*)p_info->bmiColors)[0] = 0x00ff0000;
 888         ((DWORD*)p_info->bmiColors)[1] = 0x0000ff00;
 889         ((DWORD*)p_info->bmiColors)[2] = 0x000000ff;
 890         break;
 891     case 32:
 892         p_header->biBitCount = 32;
 893         p_header->biCompression = BI_RGB;
 894         ((DWORD*)p_info->bmiColors)[0] = 0x00ff0000;
 895         ((DWORD*)p_info->bmiColors)[1] = 0x0000ff00;
 896         ((DWORD*)p_info->bmiColors)[2] = 0x000000ff;
 897         break;
 898     default:
 899         msg_Err( p_vout, "screen depth %i not supported",
 900                  p_vout->p_sys->i_depth );
 901         return;
 902         break;
 903     }
 904     p_header->biWidth = p_vout->render.i_width;
 905     p_header->biHeight = -p_vout->render.i_height;
 906     p_header->biClrImportant = 0;
 907     p_header->biClrUsed = 0;
 908     p_header->biXPelsPerMeter = 0;
 909     p_header->biYPelsPerMeter = 0;
 910
 911     p_vout->p_sys->i_pic_pixel_pitch = p_header->biBitCount / 8;
 912     p_vout->p_sys->i_pic_pitch = p_header->biBitCount * p_header->biWidth / 8;
 913
 914     p_vout->p_sys->off_bitmap =
 915         CreateDIBSection( window_dc, (BITMAPINFO *)p_header, DIB_RGB_COLORS,
 916                           (void**)&p_vout->p_sys->p_pic_buffer, NULL, 0 );
 917
 918     p_vout->p_sys->off_dc = CreateCompatibleDC( window_dc );
 919
 920     SelectObject( p_vout->p_sys->off_dc, p_vout->p_sys->off_bitmap );
 921     ReleaseDC( p_vout->p_sys->hvideownd, window_dc );
 922 #endif
 923 }
 924