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) 2002-2009 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 /*#ifdef MODULE_NAME_IS_wingapi
  42     typedef struct GXDisplayProperties {
  43         DWORD cxWidth;
  44         DWORD cyHeight;
  45         long cbxPitch;
  46         long cbyPitch;
  47         long cBPP;
  48         DWORD ffFormat;
  49     } GXDisplayProperties;
  50
  51     typedef struct GXScreenRect {
  52         DWORD dwTop;
  53         DWORD dwLeft;
  54         DWORD dwWidth;
  55         DWORD dwHeight;
  56     } GXScreenRect;
  57
  58 #   define GX_FULLSCREEN    0x01
  59 #   define GX_NORMALKEYS    0x02
  60 #   define GX_LANDSCAPEKEYS 0x03
  61
  62 #   ifndef kfLandscape
  63 #       define kfLandscape      0x8
  64 #       define kfPalette        0x10
  65 #       define kfDirect         0x20
  66 #       define kfDirect555      0x40
  67 #       define kfDirect565      0x80
  68 #       define kfDirect888      0x100
  69 #       define kfDirect444      0x200
  70 #       define kfDirectInverted 0x400
  71 #   endif
  72 #endif /* MODULE_NAME_IS_wingapi */
  73
  74 #include "vout.h"
  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
 121
 122 #define DX_POSITION_CHANGE 0x1000
 123
 124 /*****************************************************************************
 125  * Module descriptor
 126  *****************************************************************************/
 127 vlc_module_begin ()
 128     set_category( CAT_VIDEO )
 129     set_subcategory( SUBCAT_VIDEO_VOUT )
 130 #ifdef MODULE_NAME_IS_wingapi
 131     set_shortname( "Windows GAPI" )
 132     set_description( N_("Windows GAPI video output") )
 133     set_capability( "video output", 20 )
 134 #else
 135     set_shortname( "Windows GDI" )
 136     set_description( N_("Windows GDI video output") )
 137     set_capability( "video output", 10 )
 138 #endif
 139     set_callbacks( OpenVideo, CloseVideo )
 140 vlc_module_end ()
 141
 142 /*****************************************************************************
 143  * OpenVideo: activate GDI video thread output method
 144  *****************************************************************************/
 145 static int OpenVideo ( vlc_object_t *p_this )
 146 {
 147     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 148
 149     p_vout->p_sys = (vout_sys_t *)calloc( 1, sizeof(vout_sys_t) );
 150     if( !p_vout->p_sys ) return VLC_ENOMEM;
 151
 152 #ifdef MODULE_NAME_IS_wingapi
 153     /* Load GAPI */
 154     p_vout->p_sys->gapi_dll = LoadLibrary( _T("GX.DLL") );
 155     if( p_vout->p_sys->gapi_dll == NULL )
 156     {
 157         msg_Warn( p_vout, "failed loading gx.dll" );
 158         free( p_vout->p_sys );
 159         return VLC_EGENERIC;
 160     }
 161
 162     GXOpenDisplay = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 163         _T("?GXOpenDisplay@@YAHPAUHWND__@@K@Z") );
 164     GXCloseDisplay = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 165         _T("?GXCloseDisplay@@YAHXZ") );
 166     GXBeginDraw = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 167         _T("?GXBeginDraw@@YAPAXXZ") );
 168     GXEndDraw = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 169         _T("?GXEndDraw@@YAHXZ") );
 170     GXGetDisplayProperties = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 171         _T("?GXGetDisplayProperties@@YA?AUGXDisplayProperties@@XZ") );
 172     GXSuspend = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 173         _T("?GXSuspend@@YAHXZ") );
 174     GXResume = GetProcAddress( p_vout->p_sys->gapi_dll,
 175         _T("?GXResume@@YAHXZ") );
 176
 177     if( !GXOpenDisplay || !GXCloseDisplay || !GXBeginDraw || !GXEndDraw ||
 178         !GXGetDisplayProperties || !GXSuspend || !GXResume )
 179     {
 180         msg_Err( p_vout, "failed GetProcAddress on gapi.dll" );
 181         free( p_vout->p_sys );
 182         return VLC_EGENERIC;
 183     }
 184
 185     msg_Dbg( p_vout, "GAPI DLL loaded" );
 186
 187     p_vout->p_sys->render_width = p_vout->render.i_width;
 188     p_vout->p_sys->render_height = p_vout->render.i_height;
 189 #endif
 190
 191     p_vout->p_sys->p_event = (vlc_object_t *)
 192         vlc_object_create( p_vout, sizeof( vlc_object_t ) );
 193     if( !p_vout->p_sys->p_event )
 194     {
 195         free( p_vout->p_sys );
 196         return VLC_ENOMEM;
 197     }
 198
 199     p_vout->pf_init = Init;
 200     p_vout->pf_end = End;
 201     p_vout->pf_manage = Manage;
 202     p_vout->pf_render = Render;
 203 #ifdef MODULE_NAME_IS_wingapi
 204     p_vout->pf_display = FirstDisplayGAPI;
 205
 206     p_vout->p_sys->b_focus = 0;
 207     p_vout->p_sys->b_parent_focus = 0;
 208
 209 #else
 210     p_vout->pf_display = FirstDisplayGDI;
 211 #endif
 212
 213     p_vout->p_sys->hwnd = p_vout->p_sys->hvideownd = NULL;
 214     p_vout->p_sys->hparent = p_vout->p_sys->hfswnd = NULL;
 215     p_vout->p_sys->i_changes = 0;
 216     vlc_mutex_init( &p_vout->p_sys->lock );
 217     SetRectEmpty( &p_vout->p_sys->rect_display );
 218     SetRectEmpty( &p_vout->p_sys->rect_parent );
 219
 220     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 221     var_Create( p_vout, "disable-screensaver", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 222
 223     p_vout->p_sys->b_cursor_hidden = 0;
 224     p_vout->p_sys->i_lastmoved = mdate();
 225     p_vout->p_sys->i_mouse_hide_timeout =
 226         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 227
 228     /* Set main window's size */
 229     p_vout->p_sys->i_window_width = p_vout->i_window_width;
 230     p_vout->p_sys->i_window_height = p_vout->i_window_height;
 231
 232     /* Create the EventThread, this thread is created by us to isolate
 233      * the Win32 PeekMessage function calls. We want to do this because
 234      * Windows can stay blocked inside this call for a long time, and when
 235      * this happens it thus blocks vlc's video_output thread.
 236      * Vout EventThread will take care of the creation of the video
 237      * window (because PeekMessage has to be called from the same thread which
 238      * created the window). */
 239     msg_Dbg( p_vout, "creating Vout EventThread" );
 240     p_vout->p_sys->p_event =
 241         vlc_object_create( p_vout, sizeof(event_thread_t) );
 242     p_vout->p_sys->p_event->p_vout = p_vout;
 243     p_vout->p_sys->p_event->window_ready = CreateEvent( NULL, TRUE, FALSE, NULL );
 244     if( vlc_thread_create( p_vout->p_sys->p_event, "Vout Events Thread",
 245                            EventThread, 0 ) )
 246     {
 247         msg_Err( p_vout, "cannot create Vout EventThread" );
 248         CloseHandle( p_vout->p_sys->p_event->window_ready );
 249         vlc_object_release( p_vout->p_sys->p_event );
 250         p_vout->p_sys->p_event = NULL;
 251         goto error;
 252     }
 253     WaitForSingleObject( p_vout->p_sys->p_event->window_ready, INFINITE );
 254     CloseHandle( p_vout->p_sys->p_event->window_ready );
 255
 256     if( p_vout->p_sys->p_event->b_error )
 257     {
 258         msg_Err( p_vout, "Vout EventThread failed" );
 259         goto error;
 260     }
 261
 262     vlc_object_attach( p_vout->p_sys->p_event, p_vout );
 263
 264     msg_Dbg( p_vout, "Vout EventThread running" );
 265
 266 #ifndef UNDER_CE
 267     /* Variable to indicate if the window should be on top of others */
 268     /* Trigger a callback right now */
 269     var_TriggerCallback( p_vout, "video-on-top" );
 270
 271     /* disable screensaver by temporarily changing system settings */
 272     p_vout->p_sys->i_spi_lowpowertimeout = 0;
 273     p_vout->p_sys->i_spi_powerofftimeout = 0;
 274     p_vout->p_sys->i_spi_screensavetimeout = 0;
 275     if( var_GetBool( p_vout, "disable-screensaver" ) ) {
 276         msg_Dbg(p_vout, "disabling screen saver");
 277         SystemParametersInfo(SPI_GETLOWPOWERTIMEOUT,
 278             0, &(p_vout->p_sys->i_spi_lowpowertimeout), 0);
 279         if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 280             SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT, 0, NULL, 0);
 281         }
 282         SystemParametersInfo(SPI_GETPOWEROFFTIMEOUT, 0,
 283             &(p_vout->p_sys->i_spi_powerofftimeout), 0);
 284         if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 285             SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT, 0, NULL, 0);
 286         }
 287         SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0,
 288             &(p_vout->p_sys->i_spi_screensavetimeout), 0);
 289         if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 290             SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, 0, NULL, 0);
 291         }
 292     }
 293 #endif
 294     return VLC_SUCCESS;
 295
 296 error:
 297     CloseVideo( VLC_OBJECT(p_vout) );
 298     return VLC_EGENERIC;
 299 }
 300
 301 /*****************************************************************************
 302  * CloseVideo: deactivate the GDI video output
 303  *****************************************************************************/
 304 static void CloseVideo ( vlc_object_t *p_this )
 305 {
 306     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 307
 308     if( p_vout->b_fullscreen )
 309     {
 310         msg_Dbg( p_vout, "Quitting fullscreen" );
 311         Win32ToggleFullscreen( p_vout );
 312         /* Force fullscreen in the core for the next video */
 313         var_SetBool( p_vout, "fullscreen", true );
 314     }
 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     free( p_vout->p_sys );
 356     p_vout->p_sys = NULL;
 357 }
 358
 359 /*****************************************************************************
 360  * Init: initialize video thread output method
 361  *****************************************************************************/
 362 static int Init( vout_thread_t *p_vout )
 363 {
 364     picture_t *p_pic;
 365
 366     /* Initialize offscreen buffer */
 367     InitBuffers( p_vout );
 368
 369     p_vout->p_sys->rect_display.left = 0;
 370     p_vout->p_sys->rect_display.top = 0;
 371     p_vout->p_sys->rect_display.right  = GetSystemMetrics(SM_CXSCREEN);
 372     p_vout->p_sys->rect_display.bottom = GetSystemMetrics(SM_CYSCREEN);
 373
 374     I_OUTPUTPICTURES = 0;
 375
 376     /* Initialize the output structure */
 377     switch( p_vout->p_sys->i_depth )
 378     {
 379     case 8:
 380         p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
 381         p_vout->output.pf_setpalette = SetPalette;
 382         break;
 383     case 15:
 384         p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
 385         p_vout->output.i_rmask  = 0x7c00;
 386         p_vout->output.i_gmask  = 0x03e0;
 387         p_vout->output.i_bmask  = 0x001f;
 388         break;
 389     case 16:
 390         p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
 391         p_vout->output.i_rmask  = 0xf800;
 392         p_vout->output.i_gmask  = 0x07e0;
 393         p_vout->output.i_bmask  = 0x001f;
 394         break;
 395     case 24:
 396         p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
 397         p_vout->output.i_rmask  = 0x00ff0000;
 398         p_vout->output.i_gmask  = 0x0000ff00;
 399         p_vout->output.i_bmask  = 0x000000ff;
 400         break;
 401     case 32:
 402         p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
 403         p_vout->output.i_rmask  = 0x00ff0000;
 404         p_vout->output.i_gmask  = 0x0000ff00;
 405         p_vout->output.i_bmask  = 0x000000ff;
 406         break;
 407     default:
 408         msg_Err( p_vout, "screen depth %i not supported",
 409                  p_vout->p_sys->i_depth );
 410         return VLC_EGENERIC;
 411         break;
 412     }
 413
 414     p_pic = &p_vout->p_picture[0];
 415
 416 #ifdef MODULE_NAME_IS_wingapi
 417     p_vout->output.i_width  = 0;
 418     p_vout->output.i_height = 0;
 419     p_pic->pf_lock  = GAPILockSurface;
 420     p_pic->pf_unlock = GAPIUnlockSurface;
 421     Manage( p_vout );
 422     GAPILockSurface( p_vout, p_pic );
 423     p_vout->i_changes = 0;
 424     p_vout->output.i_width  = p_vout->p_sys->render_width;
 425     p_vout->output.i_height = p_vout->p_sys->render_height;
 426
 427 #else
 428     p_vout->output.i_width  = p_vout->render.i_width;
 429     p_vout->output.i_height = p_vout->render.i_height;
 430
 431     p_vout->fmt_out = p_vout->fmt_in;
 432     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 433 #endif
 434
 435     p_vout->output.i_aspect = p_vout->render.i_aspect;
 436
 437     p_pic->p->p_pixels = p_vout->p_sys->p_pic_buffer;
 438     p_pic->p->i_lines = p_vout->output.i_height;
 439     p_pic->p->i_visible_lines = p_vout->output.i_height;
 440     p_pic->p->i_pitch = p_vout->p_sys->i_pic_pitch;
 441     p_pic->p->i_pixel_pitch = p_vout->p_sys->i_pic_pixel_pitch;
 442     p_pic->p->i_visible_pitch = p_vout->output.i_width *
 443         p_pic->p->i_pixel_pitch;
 444     p_pic->i_planes = 1;
 445     p_pic->i_status = DESTROYED_PICTURE;
 446     p_pic->i_type   = DIRECT_PICTURE;
 447
 448     PP_OUTPUTPICTURE[ I_OUTPUTPICTURES++ ] = p_pic;
 449
 450     /* Change the window title bar text */
 451     PostMessage( p_vout->p_sys->hwnd, WM_VLC_CHANGE_TEXT, 0, 0 );
 452     UpdateRects( p_vout, true );
 453
 454     return VLC_SUCCESS;
 455 }
 456
 457 /*****************************************************************************
 458  * End: terminate video thread output method
 459  *****************************************************************************/
 460 static void End( vout_thread_t *p_vout )
 461 {
 462 #ifdef MODULE_NAME_IS_wingapi
 463     GXCloseDisplay();
 464 #else
 465     DeleteDC( p_vout->p_sys->off_dc );
 466     DeleteObject( p_vout->p_sys->off_bitmap );
 467 #endif
 468 }
 469
 470 /*****************************************************************************
 471  * Manage: handle events
 472  *****************************************************************************
 473  * This function should be called regularly by video output thread. It manages
 474  * console events. It returns a non null value on error.
 475  *****************************************************************************/
 476 static int Manage( vout_thread_t *p_vout )
 477 {
 478     /* If we do not control our window, we check for geometry changes
 479      * ourselves because the parent might not send us its events. */
 480     vlc_mutex_lock( &p_vout->p_sys->lock );
 481     if( p_vout->p_sys->hparent && !p_vout->b_fullscreen )
 482     {
 483         RECT rect_parent;
 484         POINT point;
 485
 486         vlc_mutex_unlock( &p_vout->p_sys->lock );
 487
 488         GetClientRect( p_vout->p_sys->hparent, &rect_parent );
 489         point.x = point.y = 0;
 490         ClientToScreen( p_vout->p_sys->hparent, &point );
 491         OffsetRect( &rect_parent, point.x, point.y );
 492
 493         if( !EqualRect( &rect_parent, &p_vout->p_sys->rect_parent ) )
 494         {
 495             int i_x, i_y, i_width, i_height;
 496             p_vout->p_sys->rect_parent = rect_parent;
 497
 498             /* This one is to force the update even if only
 499              * the position has changed */
 500             SetWindowPos( p_vout->p_sys->hwnd, 0, 1, 1,
 501                           rect_parent.right - rect_parent.left,
 502                           rect_parent.bottom - rect_parent.top, 0 );
 503
 504             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 505                           rect_parent.right - rect_parent.left,
 506                           rect_parent.bottom - rect_parent.top, 0 );
 507
 508             vout_PlacePicture( p_vout, rect_parent.right - rect_parent.left,
 509                                rect_parent.bottom - rect_parent.top,
 510                                &i_x, &i_y, &i_width, &i_height );
 511
 512             SetWindowPos( p_vout->p_sys->hvideownd, HWND_TOP,
 513                           i_x, i_y, i_width, i_height, 0 );
 514         }
 515     }
 516     else
 517     {
 518         vlc_mutex_unlock( &p_vout->p_sys->lock );
 519     }
 520
 521     /* autoscale toggle */
 522     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
 523     {
 524         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
 525
 526         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
 527         p_vout->i_zoom = (int) ZOOM_FP_FACTOR;
 528
 529         UpdateRects( p_vout, true );
 530     }
 531
 532     /* scaling factor */
 533     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
 534     {
 535         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
 536
 537         p_vout->b_autoscale = false;
 538         p_vout->i_zoom =
 539             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
 540         UpdateRects( p_vout, true );
 541     }
 542
 543     /* Check for cropping / aspect changes */
 544     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 545         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 546     {
 547         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 548         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 549
 550         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 551         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 552         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 553         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 554         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 555         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 556         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 557         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 558         UpdateRects( p_vout, true );
 559     }
 560
 561     /*
 562      * Position Change
 563      */
 564     if( p_vout->p_sys->i_changes & DX_POSITION_CHANGE )
 565     {
 566         p_vout->p_sys->i_changes &= ~DX_POSITION_CHANGE;
 567     }
 568
 569     /* We used to call the Win32 PeekMessage function here to read the window
 570      * messages. But since window can stay blocked into this function for a
 571      * long time (for example when you move your window on the screen), I
 572      * decided to isolate PeekMessage in another thread. */
 573
 574     /*
 575      * Fullscreen change
 576      */
 577     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE
 578         || p_vout->p_sys->i_changes & VOUT_FULLSCREEN_CHANGE )
 579     {
 580         Win32ToggleFullscreen( p_vout );
 581
 582         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 583         p_vout->p_sys->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 584     }
 585
 586     /*
 587      * Pointer change
 588      */
 589     if( p_vout->b_fullscreen && !p_vout->p_sys->b_cursor_hidden &&
 590         (mdate() - p_vout->p_sys->i_lastmoved) >
 591             p_vout->p_sys->i_mouse_hide_timeout )
 592     {
 593         POINT point;
 594         HWND hwnd;
 595
 596         /* Hide the cursor only if it is inside our window */
 597         GetCursorPos( &point );
 598         hwnd = WindowFromPoint(point);
 599         if( hwnd == p_vout->p_sys->hwnd || hwnd == p_vout->p_sys->hvideownd )
 600         {
 601             PostMessage( p_vout->p_sys->hwnd, WM_VLC_HIDE_MOUSE, 0, 0 );
 602         }
 603         else
 604         {
 605             p_vout->p_sys->i_lastmoved = mdate();
 606         }
 607     }
 608
 609     /*
 610      * "Always on top" status change
 611      */
 612     if( p_vout->p_sys->b_on_top_change )
 613     {
 614         vlc_value_t val;
 615         HMENU hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 616
 617         var_Get( p_vout, "video-on-top", &val );
 618
 619         /* Set the window on top if necessary */
 620         if( val.b_bool && !( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 621                            & WS_EX_TOPMOST ) )
 622         {
 623             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 624                            MF_BYCOMMAND | MFS_CHECKED );
 625             SetWindowPos( p_vout->p_sys->hwnd, HWND_TOPMOST, 0, 0, 0, 0,
 626                           SWP_NOSIZE | SWP_NOMOVE );
 627         }
 628         else
 629         /* The window shouldn't be on top */
 630         if( !val.b_bool && ( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 631                            & WS_EX_TOPMOST ) )
 632         {
 633             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 634                            MF_BYCOMMAND | MFS_UNCHECKED );
 635             SetWindowPos( p_vout->p_sys->hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
 636                           SWP_NOSIZE | SWP_NOMOVE );
 637         }
 638
 639         p_vout->p_sys->b_on_top_change = false;
 640     }
 641
 642     /* Check if the event thread is still running */
 643     if( !vlc_object_alive (p_vout->p_sys->p_event) )
 644     {
 645         return VLC_EGENERIC; /* exit */
 646     }
 647
 648     return VLC_SUCCESS;
 649 }
 650
 651 /*****************************************************************************
 652  * Render: render previously calculated output
 653  *****************************************************************************/
 654 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
 655 {
 656     /* No need to do anything, the fake direct buffers stay as they are */
 657     (void)p_vout;
 658     (void)p_pic;
 659 }
 660
 661 /*****************************************************************************
 662  * Display: displays previously rendered output
 663  *****************************************************************************/
 664 #define rect_src p_vout->p_sys->rect_src
 665 #define rect_src_clipped p_vout->p_sys->rect_src_clipped
 666 #define rect_dest p_vout->p_sys->rect_dest
 667 #define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
 668
 669 #ifndef MODULE_NAME_IS_wingapi
 670 static void DisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
 671 {
 672     vout_sys_t *p_sys = p_vout->p_sys;
 673     RECT rect_dst = rect_dest_clipped;
 674     HDC hdc = GetDC( p_sys->hvideownd );
 675
 676     OffsetRect( &rect_dst, -rect_dest.left, -rect_dest.top );
 677     SelectObject( p_sys->off_dc, p_sys->off_bitmap );
 678
 679     if( rect_dest_clipped.right - rect_dest_clipped.left !=
 680         rect_src_clipped.right - rect_src_clipped.left ||
 681         rect_dest_clipped.bottom - rect_dest_clipped.top !=
 682         rect_src_clipped.bottom - rect_src_clipped.top )
 683     {
 684         StretchBlt( hdc, rect_dst.left, rect_dst.top,
 685                     rect_dst.right, rect_dst.bottom,
 686                     p_sys->off_dc, rect_src_clipped.left, rect_src_clipped.top,
 687                     rect_src_clipped.right, rect_src_clipped.bottom, SRCCOPY );
 688     }
 689     else
 690     {
 691         BitBlt( hdc, rect_dst.left, rect_dst.top,
 692                 rect_dst.right, rect_dst.bottom,
 693                 p_sys->off_dc, rect_src_clipped.left,
 694                 rect_src_clipped.top, SRCCOPY );
 695     }
 696
 697     ReleaseDC( p_sys->hvideownd, hdc );
 698 }
 699
 700 static void FirstDisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
 701 {
 702     /*
 703     ** Video window is initially hidden, show it now since we got a
 704     ** picture to show.
 705     */
 706     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 707         SWP_ASYNCWINDOWPOS|
 708         SWP_FRAMECHANGED|
 709         SWP_SHOWWINDOW|
 710         SWP_NOMOVE|
 711         SWP_NOSIZE|
 712         SWP_NOZORDER );
 713
 714     /* get initial picture presented */
 715     DisplayGDI(p_vout, p_pic);
 716
 717     /* use and restores proper display function for further pictures */
 718     p_vout->pf_display = DisplayGDI;
 719 }
 720
 721 #else
 722
 723 static int GAPILockSurface( vout_thread_t *p_vout, picture_t *p_pic )
 724 {
 725     vout_sys_t *p_sys = p_vout->p_sys;
 726     int i_x, i_y, i_width, i_height;
 727     RECT video_rect;
 728     POINT point;
 729
 730     GetClientRect( p_sys->hwnd, &video_rect);
 731     vout_PlacePicture( p_vout, video_rect.right - video_rect.left,
 732                        video_rect.bottom - video_rect.top,
 733                        &i_x, &i_y, &i_width, &i_height );
 734     point.x = point.y = 0;
 735     ClientToScreen( p_sys->hwnd, &point );
 736     i_x += point.x + video_rect.left;
 737     i_y += point.y + video_rect.top;
 738
 739     if( i_width != p_vout->output.i_width ||
 740         i_height != p_vout->output.i_height )
 741     {
 742         GXDisplayProperties gxdisplayprop = GXGetDisplayProperties();
 743
 744         p_sys->render_width = i_width;
 745         p_sys->render_height = i_height;
 746         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 747
 748         msg_Dbg( p_vout, "vout size change (%ix%i -> %ix%i)",
 749                  i_width, i_height, p_vout->output.i_width,
 750                  p_vout->output.i_height );
 751
 752         p_vout->p_sys->i_pic_pixel_pitch = gxdisplayprop.cbxPitch;
 753         p_vout->p_sys->i_pic_pitch = gxdisplayprop.cbyPitch;
 754         return VLC_EGENERIC;
 755     }
 756     else
 757     {
 758         GXDisplayProperties gxdisplayprop;
 759         RECT display_rect, dest_rect;
 760         uint8_t *p_dest, *p_src = p_pic->p->p_pixels;
 761
 762         video_rect.left = i_x; video_rect.top = i_y;
 763         video_rect.right = i_x + i_width;
 764         video_rect.bottom = i_y + i_height;
 765
 766         gxdisplayprop = GXGetDisplayProperties();
 767         display_rect.left = 0; display_rect.top = 0;
 768         display_rect.right = gxdisplayprop.cxWidth;
 769         display_rect.bottom = gxdisplayprop.cyHeight;
 770
 771         if( !IntersectRect( &dest_rect, &video_rect, &display_rect ) )
 772         {
 773             return VLC_EGENERIC;
 774         }
 775
 776 #if 0
 777         msg_Err( p_vout, "video (%d,%d,%d,%d) display (%d,%d,%d,%d) "
 778                  "dest (%d,%d,%d,%d)",
 779                  video_rect.left, video_rect.right,
 780                  video_rect.top, video_rect.bottom,
 781                  display_rect.left, display_rect.right,
 782                  display_rect.top, display_rect.bottom,
 783                  dest_rect.left, dest_rect.right,
 784                  dest_rect.top, dest_rect.bottom );
 785 #endif
 786
 787         if( !(p_dest = GXBeginDraw()) )
 788         {
 789 #if 0
 790             msg_Err( p_vout, "GXBeginDraw error %d ", GetLastError() );
 791 #endif
 792             return VLC_EGENERIC;
 793         }
 794
 795         p_src += (dest_rect.left - video_rect.left) * gxdisplayprop.cbxPitch +
 796             (dest_rect.top - video_rect.top) * p_pic->p->i_pitch;
 797         p_dest += dest_rect.left * gxdisplayprop.cbxPitch +
 798             dest_rect.top * gxdisplayprop.cbyPitch;
 799         i_width = dest_rect.right - dest_rect.left;
 800         i_height = dest_rect.bottom - dest_rect.top;
 801
 802         p_pic->p->p_pixels = p_dest;
 803     }
 804
 805     return VLC_SUCCESS;
 806 }
 807
 808 static int GAPIUnlockSurface( vout_thread_t *p_vout, picture_t *p_pic )
 809 {
 810     GXEndDraw();
 811     return VLC_SUCCESS;
 812 }
 813
 814 static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
 815 {
 816 }
 817
 818 static void FirstDisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
 819 {
 820     /* get initial picture presented through D3D */
 821     DisplayGAPI(p_vout, p_pic);
 822
 823     /*
 824     ** Video window is initially hidden, show it now since we got a
 825     ** picture to show.
 826     */
 827     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 828         SWP_ASYNCWINDOWPOS|
 829         SWP_FRAMECHANGED|
 830         SWP_SHOWWINDOW|
 831         SWP_NOMOVE|
 832         SWP_NOSIZE|
 833         SWP_NOZORDER );
 834
 835     /* use and restores proper display function for further pictures */
 836     p_vout->pf_display = DisplayGAPI;
 837 }
 838
 839 #endif
 840
 841 #undef rect_src
 842 #undef rect_src_clipped
 843 #undef rect_dest
 844 #undef rect_dest_clipped
 845 /*****************************************************************************
 846  * SetPalette: sets an 8 bpp palette
 847  *****************************************************************************/
 848 static void SetPalette( vout_thread_t *p_vout,
 849                         uint16_t *red, uint16_t *green, uint16_t *blue )
 850 {
 851     msg_Err( p_vout, "FIXME: SetPalette unimplemented" );
 852 }
 853
 854 /*****************************************************************************
 855  * InitBuffers: initialize an offscreen bitmap for direct buffer operations.
 856  *****************************************************************************/
 857 static void InitBuffers( vout_thread_t *p_vout )
 858 {
 859     BITMAPINFOHEADER *p_header = &p_vout->p_sys->bitmapinfo.bmiHeader;
 860     BITMAPINFO *p_info = &p_vout->p_sys->bitmapinfo;
 861     HDC window_dc = GetDC( p_vout->p_sys->hvideownd );
 862
 863     /* Get screen properties */
 864 #ifdef MODULE_NAME_IS_wingapi
 865     GXDisplayProperties gx_displayprop = GXGetDisplayProperties();
 866     p_vout->p_sys->i_depth = gx_displayprop.cBPP;
 867 #else
 868     p_vout->p_sys->i_depth = GetDeviceCaps( window_dc, PLANES ) *
 869         GetDeviceCaps( window_dc, BITSPIXEL );
 870 #endif
 871     msg_Dbg( p_vout, "GDI depth is %i", p_vout->p_sys->i_depth );
 872
 873 #ifdef MODULE_NAME_IS_wingapi
 874     GXOpenDisplay( p_vout->p_sys->hvideownd, GX_FULLSCREEN );
 875
 876 #else
 877
 878     /* Initialize offscreen bitmap */
 879     memset( p_info, 0, sizeof( BITMAPINFO ) + 3 * sizeof( RGBQUAD ) );
 880
 881     p_header->biSize = sizeof( BITMAPINFOHEADER );
 882     p_header->biSizeImage = 0;
 883     p_header->biPlanes = 1;
 884     switch( p_vout->p_sys->i_depth )
 885     {
 886     case 8:
 887         p_header->biBitCount = 8;
 888         p_header->biCompression = BI_RGB;
 889         /* FIXME: we need a palette here */
 890         break;
 891     case 15:
 892         p_header->biBitCount = 15;
 893         p_header->biCompression = BI_BITFIELDS;//BI_RGB;
 894         ((DWORD*)p_info->bmiColors)[0] = 0x00007c00;
 895         ((DWORD*)p_info->bmiColors)[1] = 0x000003e0;
 896         ((DWORD*)p_info->bmiColors)[2] = 0x0000001f;
 897         break;
 898     case 16:
 899         p_header->biBitCount = 16;
 900         p_header->biCompression = BI_BITFIELDS;//BI_RGB;
 901         ((DWORD*)p_info->bmiColors)[0] = 0x0000f800;
 902         ((DWORD*)p_info->bmiColors)[1] = 0x000007e0;
 903         ((DWORD*)p_info->bmiColors)[2] = 0x0000001f;
 904         break;
 905     case 24:
 906         p_header->biBitCount = 24;
 907         p_header->biCompression = BI_RGB;
 908         ((DWORD*)p_info->bmiColors)[0] = 0x00ff0000;
 909         ((DWORD*)p_info->bmiColors)[1] = 0x0000ff00;
 910         ((DWORD*)p_info->bmiColors)[2] = 0x000000ff;
 911         break;
 912     case 32:
 913         p_header->biBitCount = 32;
 914         p_header->biCompression = BI_RGB;
 915         ((DWORD*)p_info->bmiColors)[0] = 0x00ff0000;
 916         ((DWORD*)p_info->bmiColors)[1] = 0x0000ff00;
 917         ((DWORD*)p_info->bmiColors)[2] = 0x000000ff;
 918         break;
 919     default:
 920         msg_Err( p_vout, "screen depth %i not supported",
 921                  p_vout->p_sys->i_depth );
 922         return;
 923         break;
 924     }
 925     p_header->biWidth = p_vout->render.i_width;
 926     p_header->biHeight = -p_vout->render.i_height;
 927     p_header->biClrImportant = 0;
 928     p_header->biClrUsed = 0;
 929     p_header->biXPelsPerMeter = 0;
 930     p_header->biYPelsPerMeter = 0;
 931
 932     p_vout->p_sys->i_pic_pixel_pitch = p_header->biBitCount / 8;
 933     p_vout->p_sys->i_pic_pitch = p_header->biBitCount * p_header->biWidth / 8;
 934
 935     p_vout->p_sys->off_bitmap =
 936         CreateDIBSection( window_dc, (BITMAPINFO *)p_header, DIB_RGB_COLORS,
 937                           (void**)&p_vout->p_sys->p_pic_buffer, NULL, 0 );
 938
 939     p_vout->p_sys->off_dc = CreateCompatibleDC( window_dc );
 940
 941     SelectObject( p_vout->p_sys->off_dc, p_vout->p_sys->off_bitmap );
 942     ReleaseDC( p_vout->p_sys->hvideownd, window_dc );
 943 #endif
 944 }
 945