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 <windows.h>
  40 #include <tchar.h>
  41 #include <commctrl.h>
  42
  43 #include "vout.h"
  44
  45 #define MAX_DIRECTBUFFERS 10
  46
  47 #ifndef WS_NONAVDONEBUTTON
  48 #define WS_NONAVDONEBUTTON 0
  49 #endif
  50 /*****************************************************************************
  51  * Local prototypes
  52  *****************************************************************************/
  53 static int  OpenVideo  ( vlc_object_t * );
  54 static void CloseVideo ( vlc_object_t * );
  55
  56 static int  Init      ( vout_thread_t * );
  57 static void End       ( vout_thread_t * );
  58 static int  Manage    ( vout_thread_t * );
  59 static void Render    ( vout_thread_t *, picture_t * );
  60 #ifdef MODULE_NAME_IS_wingapi
  61 static void FirstDisplayGAPI( vout_thread_t *, picture_t * );
  62 static void DisplayGAPI( vout_thread_t *, picture_t * );
  63 static int GAPILockSurface( vout_thread_t *, picture_t * );
  64 static int GAPIUnlockSurface( vout_thread_t *, picture_t * );
  65 #else
  66 static void FirstDisplayGDI( vout_thread_t *, picture_t * );
  67 static void DisplayGDI( vout_thread_t *, picture_t * );
  68 #endif
  69 static void SetPalette( vout_thread_t *, uint16_t *, uint16_t *, uint16_t * );
  70
  71 static void InitBuffers        ( vout_thread_t * );
  72
  73
  74
  75 #define DX_POSITION_CHANGE 0x1000
  76
  77 /*****************************************************************************
  78  * Module descriptor
  79  *****************************************************************************/
  80 vlc_module_begin ()
  81     set_category( CAT_VIDEO )
  82     set_subcategory( SUBCAT_VIDEO_VOUT )
  83 #ifdef MODULE_NAME_IS_wingapi
  84     set_shortname( "Windows GAPI" )
  85     set_description( N_("Windows GAPI video output") )
  86     set_capability( "video output", 20 )
  87 #else
  88     set_shortname( "Windows GDI" )
  89     set_description( N_("Windows GDI video output") )
  90     set_capability( "video output", 10 )
  91 #endif
  92     set_callbacks( OpenVideo, CloseVideo )
  93 vlc_module_end ()
  94
  95 /*****************************************************************************
  96  * OpenVideo: activate GDI video thread output method
  97  *****************************************************************************/
  98 static int OpenVideo ( vlc_object_t *p_this )
  99 {
 100     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 101
 102     p_vout->p_sys = (vout_sys_t *)calloc( 1, sizeof(vout_sys_t) );
 103     if( !p_vout->p_sys ) return VLC_ENOMEM;
 104
 105 #ifdef MODULE_NAME_IS_wingapi
 106     /* Load GAPI */
 107     p_vout->p_sys->gapi_dll = LoadLibrary( _T("GX.DLL") );
 108     if( p_vout->p_sys->gapi_dll == NULL )
 109     {
 110         msg_Warn( p_vout, "failed loading gx.dll" );
 111         free( p_vout->p_sys );
 112         return VLC_EGENERIC;
 113     }
 114
 115     GXOpenDisplay = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 116         _T("?GXOpenDisplay@@YAHPAUHWND__@@K@Z") );
 117     GXCloseDisplay = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 118         _T("?GXCloseDisplay@@YAHXZ") );
 119     GXBeginDraw = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 120         _T("?GXBeginDraw@@YAPAXXZ") );
 121     GXEndDraw = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 122         _T("?GXEndDraw@@YAHXZ") );
 123     GXGetDisplayProperties = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 124         _T("?GXGetDisplayProperties@@YA?AUGXDisplayProperties@@XZ") );
 125     GXSuspend = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
 126         _T("?GXSuspend@@YAHXZ") );
 127     GXResume = GetProcAddress( p_vout->p_sys->gapi_dll,
 128         _T("?GXResume@@YAHXZ") );
 129
 130     if( !GXOpenDisplay || !GXCloseDisplay || !GXBeginDraw || !GXEndDraw ||
 131         !GXGetDisplayProperties || !GXSuspend || !GXResume )
 132     {
 133         msg_Err( p_vout, "failed GetProcAddress on gapi.dll" );
 134         free( p_vout->p_sys );
 135         return VLC_EGENERIC;
 136     }
 137
 138     msg_Dbg( p_vout, "GAPI DLL loaded" );
 139
 140     p_vout->p_sys->render_width = p_vout->render.i_width;
 141     p_vout->p_sys->render_height = p_vout->render.i_height;
 142 #endif
 143
 144     p_vout->p_sys->p_event = vlc_object_create( p_vout, sizeof( event_thread_t ) );
 145     if( !p_vout->p_sys->p_event )
 146     {
 147         free( p_vout->p_sys );
 148         return VLC_ENOMEM;
 149     }
 150
 151     p_vout->pf_init = Init;
 152     p_vout->pf_end = End;
 153     p_vout->pf_manage = Manage;
 154     p_vout->pf_render = Render;
 155 #ifdef MODULE_NAME_IS_wingapi
 156     p_vout->pf_display = FirstDisplayGAPI;
 157
 158     p_vout->p_sys->b_focus = 0;
 159     p_vout->p_sys->b_parent_focus = 0;
 160
 161 #else
 162     p_vout->pf_display = FirstDisplayGDI;
 163 #endif
 164
 165     p_vout->p_sys->hwnd = p_vout->p_sys->hvideownd = NULL;
 166     p_vout->p_sys->hparent = p_vout->p_sys->hfswnd = NULL;
 167     p_vout->p_sys->i_changes = 0;
 168     SetRectEmpty( &p_vout->p_sys->rect_display );
 169     SetRectEmpty( &p_vout->p_sys->rect_parent );
 170
 171     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 172     var_Create( p_vout, "disable-screensaver", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 173
 174     p_vout->p_sys->b_cursor_hidden = 0;
 175     p_vout->p_sys->i_lastmoved = mdate();
 176     p_vout->p_sys->i_mouse_hide_timeout =
 177         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 178
 179     /* Set main window's size */
 180     p_vout->p_sys->i_window_width = p_vout->i_window_width;
 181     p_vout->p_sys->i_window_height = p_vout->i_window_height;
 182
 183     if ( CreateEventThread( p_vout ) )
 184     {
 185
 186 #ifndef UNDER_CE
 187         /* Variable to indicate if the window should be on top of others */
 188         /* Trigger a callback right now */
 189         var_TriggerCallback( p_vout, "video-on-top" );
 190
 191         DisableScreensaver ( p_vout );
 192 #endif
 193         return VLC_SUCCESS;
 194     }
 195     else
 196     {
 197         CloseVideo( VLC_OBJECT(p_vout) );
 198         return VLC_EGENERIC;
 199     }
 200 }
 201
 202 /*****************************************************************************
 203  * CloseVideo: deactivate the GDI video output
 204  *****************************************************************************/
 205 static void CloseVideo ( vlc_object_t *p_this )
 206 {
 207     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 208
 209     StopEventThread( p_vout );
 210
 211 #ifndef UNDER_CE
 212     RestoreScreensaver( p_vout );
 213 #endif
 214
 215 #ifdef MODULE_NAME_IS_wingapi
 216     FreeLibrary( p_vout->p_sys->gapi_dll );
 217 #endif
 218
 219     free( p_vout->p_sys );
 220     p_vout->p_sys = NULL;
 221 }
 222
 223 /*****************************************************************************
 224  * Init: initialize video thread output method
 225  *****************************************************************************/
 226 static int Init( vout_thread_t *p_vout )
 227 {
 228     picture_t *p_pic;
 229
 230     /* Initialize offscreen buffer */
 231     InitBuffers( p_vout );
 232
 233     p_vout->p_sys->rect_display.left = 0;
 234     p_vout->p_sys->rect_display.top = 0;
 235     p_vout->p_sys->rect_display.right  = GetSystemMetrics(SM_CXSCREEN);
 236     p_vout->p_sys->rect_display.bottom = GetSystemMetrics(SM_CYSCREEN);
 237
 238     I_OUTPUTPICTURES = 0;
 239
 240     /* Initialize the output structure */
 241     switch( p_vout->p_sys->i_depth )
 242     {
 243     case 8:
 244         p_vout->output.i_chroma = VLC_CODEC_RGB8;
 245         p_vout->output.pf_setpalette = SetPalette;
 246         break;
 247     case 15:
 248         p_vout->output.i_chroma = VLC_CODEC_RGB15;
 249         p_vout->output.i_rmask  = 0x7c00;
 250         p_vout->output.i_gmask  = 0x03e0;
 251         p_vout->output.i_bmask  = 0x001f;
 252         break;
 253     case 16:
 254         p_vout->output.i_chroma = VLC_CODEC_RGB16;
 255         p_vout->output.i_rmask  = 0xf800;
 256         p_vout->output.i_gmask  = 0x07e0;
 257         p_vout->output.i_bmask  = 0x001f;
 258         break;
 259     case 24:
 260         p_vout->output.i_chroma = VLC_CODEC_RGB24;
 261         p_vout->output.i_rmask  = 0x00ff0000;
 262         p_vout->output.i_gmask  = 0x0000ff00;
 263         p_vout->output.i_bmask  = 0x000000ff;
 264         break;
 265     case 32:
 266         p_vout->output.i_chroma = VLC_CODEC_RGB32;
 267         p_vout->output.i_rmask  = 0x00ff0000;
 268         p_vout->output.i_gmask  = 0x0000ff00;
 269         p_vout->output.i_bmask  = 0x000000ff;
 270         break;
 271     default:
 272         msg_Err( p_vout, "screen depth %i not supported",
 273                  p_vout->p_sys->i_depth );
 274         return VLC_EGENERIC;
 275         break;
 276     }
 277
 278     p_pic = &p_vout->p_picture[0];
 279
 280 #ifdef MODULE_NAME_IS_wingapi
 281     p_vout->output.i_width  = 0;
 282     p_vout->output.i_height = 0;
 283     p_pic->pf_lock  = GAPILockSurface;
 284     p_pic->pf_unlock = GAPIUnlockSurface;
 285     Manage( p_vout );
 286     GAPILockSurface( p_vout, p_pic );
 287     p_vout->i_changes = 0;
 288     p_vout->output.i_width  = p_vout->p_sys->render_width;
 289     p_vout->output.i_height = p_vout->p_sys->render_height;
 290
 291 #else
 292     p_vout->output.i_width  = p_vout->render.i_width;
 293     p_vout->output.i_height = p_vout->render.i_height;
 294
 295     p_vout->fmt_out = p_vout->fmt_in;
 296     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 297 #endif
 298
 299     p_vout->output.i_aspect = p_vout->render.i_aspect;
 300
 301     p_pic->p->p_pixels = p_vout->p_sys->p_pic_buffer;
 302     p_pic->p->i_lines = p_vout->output.i_height;
 303     p_pic->p->i_visible_lines = p_vout->output.i_height;
 304     p_pic->p->i_pitch = p_vout->p_sys->i_pic_pitch;
 305     p_pic->p->i_pixel_pitch = p_vout->p_sys->i_pic_pixel_pitch;
 306     p_pic->p->i_visible_pitch = p_vout->output.i_width *
 307         p_pic->p->i_pixel_pitch;
 308     p_pic->i_planes = 1;
 309     p_pic->i_status = DESTROYED_PICTURE;
 310     p_pic->i_type   = DIRECT_PICTURE;
 311
 312     PP_OUTPUTPICTURE[ I_OUTPUTPICTURES++ ] = p_pic;
 313
 314     /* Change the window title bar text */
 315     PostMessage( p_vout->p_sys->hwnd, WM_VLC_CHANGE_TEXT, 0, 0 );
 316     UpdateRects( p_vout, true );
 317
 318     return VLC_SUCCESS;
 319 }
 320
 321 /*****************************************************************************
 322  * End: terminate video thread output method
 323  *****************************************************************************/
 324 static void End( vout_thread_t *p_vout )
 325 {
 326 #ifdef MODULE_NAME_IS_wingapi
 327     GXCloseDisplay();
 328 #else
 329     DeleteDC( p_vout->p_sys->off_dc );
 330     DeleteObject( p_vout->p_sys->off_bitmap );
 331 #endif
 332 }
 333
 334 /*****************************************************************************
 335  * Manage: handle events
 336  *****************************************************************************
 337  * This function should be called regularly by video output thread. It manages
 338  * console events. It returns a non null value on error.
 339  *****************************************************************************/
 340 static int Manage( vout_thread_t *p_vout )
 341 {
 342     /* If we do not control our window, we check for geometry changes
 343      * ourselves because the parent might not send us its events. */
 344     vlc_mutex_lock( &p_vout->p_sys->lock );
 345     if( p_vout->p_sys->hparent && !p_vout->b_fullscreen )
 346     {
 347         RECT rect_parent;
 348         POINT point;
 349
 350         vlc_mutex_unlock( &p_vout->p_sys->lock );
 351
 352         GetClientRect( p_vout->p_sys->hparent, &rect_parent );
 353         point.x = point.y = 0;
 354         ClientToScreen( p_vout->p_sys->hparent, &point );
 355         OffsetRect( &rect_parent, point.x, point.y );
 356
 357         if( !EqualRect( &rect_parent, &p_vout->p_sys->rect_parent ) )
 358         {
 359             unsigned int i_x, i_y, i_width, i_height;
 360             p_vout->p_sys->rect_parent = rect_parent;
 361
 362             /* This one is to force the update even if only
 363              * the position has changed */
 364             SetWindowPos( p_vout->p_sys->hwnd, 0, 1, 1,
 365                           rect_parent.right - rect_parent.left,
 366                           rect_parent.bottom - rect_parent.top, 0 );
 367
 368             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 369                           rect_parent.right - rect_parent.left,
 370                           rect_parent.bottom - rect_parent.top, 0 );
 371
 372             vout_PlacePicture( p_vout, rect_parent.right - rect_parent.left,
 373                                rect_parent.bottom - rect_parent.top,
 374                                &i_x, &i_y, &i_width, &i_height );
 375
 376             SetWindowPos( p_vout->p_sys->hvideownd, HWND_TOP,
 377                           i_x, i_y, i_width, i_height, 0 );
 378         }
 379     }
 380     else
 381     {
 382         vlc_mutex_unlock( &p_vout->p_sys->lock );
 383     }
 384
 385     /* autoscale toggle */
 386     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
 387     {
 388         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
 389
 390         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
 391         p_vout->i_zoom = (int) ZOOM_FP_FACTOR;
 392
 393         UpdateRects( p_vout, true );
 394     }
 395
 396     /* scaling factor */
 397     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
 398     {
 399         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
 400
 401         p_vout->b_autoscale = false;
 402         p_vout->i_zoom =
 403             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
 404         UpdateRects( p_vout, true );
 405     }
 406
 407     /* Check for cropping / aspect changes */
 408     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 409         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 410     {
 411         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 412         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 413
 414         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 415         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 416         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 417         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 418         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 419         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 420         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 421         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 422         UpdateRects( p_vout, true );
 423     }
 424
 425     /*
 426      * Position Change
 427      */
 428     if( p_vout->p_sys->i_changes & DX_POSITION_CHANGE )
 429     {
 430         p_vout->p_sys->i_changes &= ~DX_POSITION_CHANGE;
 431     }
 432
 433     /* We used to call the Win32 PeekMessage function here to read the window
 434      * messages. But since window can stay blocked into this function for a
 435      * long time (for example when you move your window on the screen), I
 436      * decided to isolate PeekMessage in another thread. */
 437
 438     /*
 439      * Fullscreen change
 440      */
 441     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE
 442         || p_vout->p_sys->i_changes & VOUT_FULLSCREEN_CHANGE )
 443     {
 444         Win32ToggleFullscreen( p_vout );
 445
 446         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 447         p_vout->p_sys->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 448     }
 449
 450     /*
 451      * Pointer change
 452      */
 453     if( p_vout->b_fullscreen && !p_vout->p_sys->b_cursor_hidden &&
 454         (mdate() - p_vout->p_sys->i_lastmoved) >
 455             p_vout->p_sys->i_mouse_hide_timeout )
 456     {
 457         POINT point;
 458         HWND hwnd;
 459
 460         /* Hide the cursor only if it is inside our window */
 461         GetCursorPos( &point );
 462         hwnd = WindowFromPoint(point);
 463         if( hwnd == p_vout->p_sys->hwnd || hwnd == p_vout->p_sys->hvideownd )
 464         {
 465             PostMessage( p_vout->p_sys->hwnd, WM_VLC_HIDE_MOUSE, 0, 0 );
 466         }
 467         else
 468         {
 469             p_vout->p_sys->i_lastmoved = mdate();
 470         }
 471     }
 472
 473     /*
 474      * "Always on top" status change
 475      */
 476     if( p_vout->p_sys->b_on_top_change )
 477     {
 478         vlc_value_t val;
 479         HMENU hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 480
 481         var_Get( p_vout, "video-on-top", &val );
 482
 483         /* Set the window on top if necessary */
 484         if( val.b_bool && !( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 485                            & WS_EX_TOPMOST ) )
 486         {
 487             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 488                            MF_BYCOMMAND | MFS_CHECKED );
 489             SetWindowPos( p_vout->p_sys->hwnd, HWND_TOPMOST, 0, 0, 0, 0,
 490                           SWP_NOSIZE | SWP_NOMOVE );
 491         }
 492         else
 493         /* The window shouldn't be on top */
 494         if( !val.b_bool && ( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 495                            & WS_EX_TOPMOST ) )
 496         {
 497             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 498                            MF_BYCOMMAND | MFS_UNCHECKED );
 499             SetWindowPos( p_vout->p_sys->hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
 500                           SWP_NOSIZE | SWP_NOMOVE );
 501         }
 502
 503         p_vout->p_sys->b_on_top_change = false;
 504     }
 505
 506     /* Check if the event thread is still running */
 507     if( !vlc_object_alive (p_vout->p_sys->p_event) )
 508     {
 509         return VLC_EGENERIC; /* exit */
 510     }
 511
 512     return VLC_SUCCESS;
 513 }
 514
 515 /*****************************************************************************
 516  * Render: render previously calculated output
 517  *****************************************************************************/
 518 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
 519 {
 520     /* No need to do anything, the fake direct buffers stay as they are */
 521     (void)p_vout;
 522     (void)p_pic;
 523 }
 524
 525 /*****************************************************************************
 526  * Display: displays previously rendered output
 527  *****************************************************************************/
 528 #define rect_src p_vout->p_sys->rect_src
 529 #define rect_src_clipped p_vout->p_sys->rect_src_clipped
 530 #define rect_dest p_vout->p_sys->rect_dest
 531 #define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
 532
 533 #ifndef MODULE_NAME_IS_wingapi
 534 static void DisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
 535 {
 536     VLC_UNUSED( p_pic );
 537
 538     vout_sys_t *p_sys = p_vout->p_sys;
 539     RECT rect_dst = rect_dest_clipped;
 540     HDC hdc = GetDC( p_sys->hvideownd );
 541
 542     OffsetRect( &rect_dst, -rect_dest.left, -rect_dest.top );
 543     SelectObject( p_sys->off_dc, p_sys->off_bitmap );
 544
 545     if( rect_dest_clipped.right - rect_dest_clipped.left !=
 546         rect_src_clipped.right - rect_src_clipped.left ||
 547         rect_dest_clipped.bottom - rect_dest_clipped.top !=
 548         rect_src_clipped.bottom - rect_src_clipped.top )
 549     {
 550         StretchBlt( hdc, rect_dst.left, rect_dst.top,
 551                     rect_dst.right, rect_dst.bottom,
 552                     p_sys->off_dc, rect_src_clipped.left, rect_src_clipped.top,
 553                     rect_src_clipped.right, rect_src_clipped.bottom, SRCCOPY );
 554     }
 555     else
 556     {
 557         BitBlt( hdc, rect_dst.left, rect_dst.top,
 558                 rect_dst.right, rect_dst.bottom,
 559                 p_sys->off_dc, rect_src_clipped.left,
 560                 rect_src_clipped.top, SRCCOPY );
 561     }
 562
 563     ReleaseDC( p_sys->hvideownd, hdc );
 564 }
 565
 566 static void FirstDisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
 567 {
 568     /*
 569     ** Video window is initially hidden, show it now since we got a
 570     ** picture to show.
 571     */
 572     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 573         SWP_ASYNCWINDOWPOS|
 574         SWP_FRAMECHANGED|
 575         SWP_SHOWWINDOW|
 576         SWP_NOMOVE|
 577         SWP_NOSIZE|
 578         SWP_NOZORDER );
 579
 580     /* get initial picture presented */
 581     DisplayGDI(p_vout, p_pic);
 582
 583     /* use and restores proper display function for further pictures */
 584     p_vout->pf_display = DisplayGDI;
 585 }
 586
 587 #else
 588
 589 static int GAPILockSurface( vout_thread_t *p_vout, picture_t *p_pic )
 590 {
 591     vout_sys_t *p_sys = p_vout->p_sys;
 592     int i_x, i_y, i_width, i_height;
 593     RECT video_rect;
 594     POINT point;
 595
 596     GetClientRect( p_sys->hwnd, &video_rect);
 597     vout_PlacePicture( p_vout, video_rect.right - video_rect.left,
 598                        video_rect.bottom - video_rect.top,
 599                        &i_x, &i_y, &i_width, &i_height );
 600     point.x = point.y = 0;
 601     ClientToScreen( p_sys->hwnd, &point );
 602     i_x += point.x + video_rect.left;
 603     i_y += point.y + video_rect.top;
 604
 605     if( i_width != p_vout->output.i_width ||
 606         i_height != p_vout->output.i_height )
 607     {
 608         GXDisplayProperties gxdisplayprop = GXGetDisplayProperties();
 609
 610         p_sys->render_width = i_width;
 611         p_sys->render_height = i_height;
 612         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 613
 614         msg_Dbg( p_vout, "vout size change (%ix%i -> %ix%i)",
 615                  i_width, i_height, p_vout->output.i_width,
 616                  p_vout->output.i_height );
 617
 618         p_vout->p_sys->i_pic_pixel_pitch = gxdisplayprop.cbxPitch;
 619         p_vout->p_sys->i_pic_pitch = gxdisplayprop.cbyPitch;
 620         return VLC_EGENERIC;
 621     }
 622     else
 623     {
 624         GXDisplayProperties gxdisplayprop;
 625         RECT display_rect, dest_rect;
 626         uint8_t *p_dest, *p_src = p_pic->p->p_pixels;
 627
 628         video_rect.left = i_x; video_rect.top = i_y;
 629         video_rect.right = i_x + i_width;
 630         video_rect.bottom = i_y + i_height;
 631
 632         gxdisplayprop = GXGetDisplayProperties();
 633         display_rect.left = 0; display_rect.top = 0;
 634         display_rect.right = gxdisplayprop.cxWidth;
 635         display_rect.bottom = gxdisplayprop.cyHeight;
 636
 637         if( !IntersectRect( &dest_rect, &video_rect, &display_rect ) )
 638         {
 639             return VLC_EGENERIC;
 640         }
 641
 642 #ifndef NDEBUG
 643         msg_Dbg( p_vout, "video (%d,%d,%d,%d) display (%d,%d,%d,%d) "
 644                  "dest (%d,%d,%d,%d)",
 645                  video_rect.left, video_rect.right,
 646                  video_rect.top, video_rect.bottom,
 647                  display_rect.left, display_rect.right,
 648                  display_rect.top, display_rect.bottom,
 649                  dest_rect.left, dest_rect.right,
 650                  dest_rect.top, dest_rect.bottom );
 651 #endif
 652
 653         if( !(p_dest = GXBeginDraw()) )
 654         {
 655 #ifndef NDEBUG
 656             msg_Err( p_vout, "GXBeginDraw error %d ", GetLastError() );
 657 #endif
 658             return VLC_EGENERIC;
 659         }
 660
 661         p_src += (dest_rect.left - video_rect.left) * gxdisplayprop.cbxPitch +
 662             (dest_rect.top - video_rect.top) * p_pic->p->i_pitch;
 663         p_dest += dest_rect.left * gxdisplayprop.cbxPitch +
 664             dest_rect.top * gxdisplayprop.cbyPitch;
 665         i_width = dest_rect.right - dest_rect.left;
 666         i_height = dest_rect.bottom - dest_rect.top;
 667
 668         p_pic->p->p_pixels = p_dest;
 669     }
 670
 671     return VLC_SUCCESS;
 672 }
 673
 674 static int GAPIUnlockSurface( vout_thread_t *p_vout, picture_t *p_pic )
 675 {
 676     GXEndDraw();
 677     return VLC_SUCCESS;
 678 }
 679
 680 static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
 681 {
 682 }
 683
 684 static void FirstDisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
 685 {
 686     /* get initial picture presented through D3D */
 687     DisplayGAPI(p_vout, p_pic);
 688
 689     /*
 690     ** Video window is initially hidden, show it now since we got a
 691     ** picture to show.
 692     */
 693     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 694         SWP_ASYNCWINDOWPOS|
 695         SWP_FRAMECHANGED|
 696         SWP_SHOWWINDOW|
 697         SWP_NOMOVE|
 698         SWP_NOSIZE|
 699         SWP_NOZORDER );
 700
 701     /* use and restores proper display function for further pictures */
 702     p_vout->pf_display = DisplayGAPI;
 703 }
 704
 705 #endif
 706
 707 #undef rect_src
 708 #undef rect_src_clipped
 709 #undef rect_dest
 710 #undef rect_dest_clipped
 711 /*****************************************************************************
 712  * SetPalette: sets an 8 bpp palette
 713  *****************************************************************************/
 714 static void SetPalette( vout_thread_t *p_vout,
 715                         uint16_t *red, uint16_t *green, uint16_t *blue )
 716 {
 717     VLC_UNUSED( red ); VLC_UNUSED( green );VLC_UNUSED( blue );
 718     msg_Err( p_vout, "FIXME: SetPalette unimplemented" );
 719 }
 720
 721 /*****************************************************************************
 722  * InitBuffers: initialize an offscreen bitmap for direct buffer operations.
 723  *****************************************************************************/
 724 static void InitBuffers( vout_thread_t *p_vout )
 725 {
 726     BITMAPINFOHEADER *p_header = &p_vout->p_sys->bitmapinfo.bmiHeader;
 727     BITMAPINFO *p_info = &p_vout->p_sys->bitmapinfo;
 728     HDC window_dc = GetDC( p_vout->p_sys->hvideownd );
 729
 730     /* Get screen properties */
 731 #ifdef MODULE_NAME_IS_wingapi
 732     GXDisplayProperties gx_displayprop = GXGetDisplayProperties();
 733     p_vout->p_sys->i_depth = gx_displayprop.cBPP;
 734 #else
 735     p_vout->p_sys->i_depth = GetDeviceCaps( window_dc, PLANES ) *
 736         GetDeviceCaps( window_dc, BITSPIXEL );
 737 #endif
 738     msg_Dbg( p_vout, "GDI depth is %i", p_vout->p_sys->i_depth );
 739
 740 #ifdef MODULE_NAME_IS_wingapi
 741     GXOpenDisplay( p_vout->p_sys->hvideownd, GX_FULLSCREEN );
 742
 743 #else
 744
 745     /* Initialize offscreen bitmap */
 746     memset( p_info, 0, sizeof( BITMAPINFO ) + 3 * sizeof( RGBQUAD ) );
 747
 748     p_header->biSize = sizeof( BITMAPINFOHEADER );
 749     p_header->biSizeImage = 0;
 750     p_header->biPlanes = 1;
 751     switch( p_vout->p_sys->i_depth )
 752     {
 753     case 8:
 754         p_header->biBitCount = 8;
 755         p_header->biCompression = BI_RGB;
 756         /* FIXME: we need a palette here */
 757         break;
 758     case 15:
 759         p_header->biBitCount = 15;
 760         p_header->biCompression = BI_BITFIELDS;//BI_RGB;
 761         ((DWORD*)p_info->bmiColors)[0] = 0x00007c00;
 762         ((DWORD*)p_info->bmiColors)[1] = 0x000003e0;
 763         ((DWORD*)p_info->bmiColors)[2] = 0x0000001f;
 764         break;
 765     case 16:
 766         p_header->biBitCount = 16;
 767         p_header->biCompression = BI_BITFIELDS;//BI_RGB;
 768         ((DWORD*)p_info->bmiColors)[0] = 0x0000f800;
 769         ((DWORD*)p_info->bmiColors)[1] = 0x000007e0;
 770         ((DWORD*)p_info->bmiColors)[2] = 0x0000001f;
 771         break;
 772     case 24:
 773         p_header->biBitCount = 24;
 774         p_header->biCompression = BI_RGB;
 775         ((DWORD*)p_info->bmiColors)[0] = 0x00ff0000;
 776         ((DWORD*)p_info->bmiColors)[1] = 0x0000ff00;
 777         ((DWORD*)p_info->bmiColors)[2] = 0x000000ff;
 778         break;
 779     case 32:
 780         p_header->biBitCount = 32;
 781         p_header->biCompression = BI_RGB;
 782         ((DWORD*)p_info->bmiColors)[0] = 0x00ff0000;
 783         ((DWORD*)p_info->bmiColors)[1] = 0x0000ff00;
 784         ((DWORD*)p_info->bmiColors)[2] = 0x000000ff;
 785         break;
 786     default:
 787         msg_Err( p_vout, "screen depth %i not supported",
 788                  p_vout->p_sys->i_depth );
 789         return;
 790         break;
 791     }
 792     p_header->biWidth = p_vout->render.i_width;
 793     p_header->biHeight = -p_vout->render.i_height;
 794     p_header->biClrImportant = 0;
 795     p_header->biClrUsed = 0;
 796     p_header->biXPelsPerMeter = 0;
 797     p_header->biYPelsPerMeter = 0;
 798
 799     p_vout->p_sys->i_pic_pixel_pitch = p_header->biBitCount / 8;
 800     p_vout->p_sys->i_pic_pitch = p_header->biBitCount * p_header->biWidth / 8;
 801
 802     p_vout->p_sys->off_bitmap =
 803         CreateDIBSection( window_dc, (BITMAPINFO *)p_header, DIB_RGB_COLORS,
 804                           &p_vout->p_sys->p_pic_buffer, NULL, 0 );
 805
 806     p_vout->p_sys->off_dc = CreateCompatibleDC( window_dc );
 807
 808     SelectObject( p_vout->p_sys->off_dc, p_vout->p_sys->off_bitmap );
 809     ReleaseDC( p_vout->p_sys->hvideownd, window_dc );
 810 #endif
 811 }
 812