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     p_vout->pf_control = Control;
 156 #ifdef MODULE_NAME_IS_wingapi
 157     p_vout->pf_display = FirstDisplayGAPI;
 158
 159     p_vout->p_sys->b_focus = 0;
 160     p_vout->p_sys->b_parent_focus = 0;
 161
 162 #else
 163     p_vout->pf_display = FirstDisplayGDI;
 164 #endif
 165
 166     p_vout->p_sys->hwnd = p_vout->p_sys->hvideownd = NULL;
 167     p_vout->p_sys->hparent = p_vout->p_sys->hfswnd = NULL;
 168     p_vout->p_sys->i_changes = 0;
 169     SetRectEmpty( &p_vout->p_sys->rect_display );
 170     SetRectEmpty( &p_vout->p_sys->rect_parent );
 171
 172     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 173     var_Create( p_vout, "disable-screensaver", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 174
 175     p_vout->p_sys->b_cursor_hidden = 0;
 176     p_vout->p_sys->i_lastmoved = mdate();
 177     p_vout->p_sys->i_mouse_hide_timeout =
 178         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 179
 180     /* Set main window's size */
 181     p_vout->p_sys->i_window_width = p_vout->i_window_width;
 182     p_vout->p_sys->i_window_height = p_vout->i_window_height;
 183
 184     if ( CreateEventThread( p_vout ) )
 185     {
 186
 187 #ifndef UNDER_CE
 188         /* Variable to indicate if the window should be on top of others */
 189         /* Trigger a callback right now */
 190         var_TriggerCallback( p_vout, "video-on-top" );
 191
 192         DisableScreensaver ( p_vout );
 193 #endif
 194         return VLC_SUCCESS;
 195     }
 196     else
 197     {
 198         CloseVideo( VLC_OBJECT(p_vout) );
 199         return VLC_EGENERIC;
 200     }
 201 }
 202
 203 /*****************************************************************************
 204  * CloseVideo: deactivate the GDI video output
 205  *****************************************************************************/
 206 static void CloseVideo ( vlc_object_t *p_this )
 207 {
 208     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 209
 210     StopEventThread( p_vout );
 211
 212 #ifndef UNDER_CE
 213     RestoreScreensaver( p_vout );
 214 #endif
 215
 216 #ifdef MODULE_NAME_IS_wingapi
 217     FreeLibrary( p_vout->p_sys->gapi_dll );
 218 #endif
 219
 220     free( p_vout->p_sys );
 221     p_vout->p_sys = NULL;
 222 }
 223
 224 /*****************************************************************************
 225  * Init: initialize video thread output method
 226  *****************************************************************************/
 227 static int Init( vout_thread_t *p_vout )
 228 {
 229     picture_t *p_pic;
 230
 231     /* Initialize offscreen buffer */
 232     InitBuffers( p_vout );
 233
 234     p_vout->p_sys->rect_display.left = 0;
 235     p_vout->p_sys->rect_display.top = 0;
 236     p_vout->p_sys->rect_display.right  = GetSystemMetrics(SM_CXSCREEN);
 237     p_vout->p_sys->rect_display.bottom = GetSystemMetrics(SM_CYSCREEN);
 238
 239     I_OUTPUTPICTURES = 0;
 240
 241     /* Initialize the output structure */
 242     switch( p_vout->p_sys->i_depth )
 243     {
 244     case 8:
 245         p_vout->output.i_chroma = VLC_CODEC_RGB8;
 246         p_vout->output.pf_setpalette = SetPalette;
 247         break;
 248     case 15:
 249         p_vout->output.i_chroma = VLC_CODEC_RGB15;
 250         p_vout->output.i_rmask  = 0x7c00;
 251         p_vout->output.i_gmask  = 0x03e0;
 252         p_vout->output.i_bmask  = 0x001f;
 253         break;
 254     case 16:
 255         p_vout->output.i_chroma = VLC_CODEC_RGB16;
 256         p_vout->output.i_rmask  = 0xf800;
 257         p_vout->output.i_gmask  = 0x07e0;
 258         p_vout->output.i_bmask  = 0x001f;
 259         break;
 260     case 24:
 261         p_vout->output.i_chroma = VLC_CODEC_RGB24;
 262         p_vout->output.i_rmask  = 0x00ff0000;
 263         p_vout->output.i_gmask  = 0x0000ff00;
 264         p_vout->output.i_bmask  = 0x000000ff;
 265         break;
 266     case 32:
 267         p_vout->output.i_chroma = VLC_CODEC_RGB32;
 268         p_vout->output.i_rmask  = 0x00ff0000;
 269         p_vout->output.i_gmask  = 0x0000ff00;
 270         p_vout->output.i_bmask  = 0x000000ff;
 271         break;
 272     default:
 273         msg_Err( p_vout, "screen depth %i not supported",
 274                  p_vout->p_sys->i_depth );
 275         return VLC_EGENERIC;
 276         break;
 277     }
 278
 279     p_pic = &p_vout->p_picture[0];
 280
 281 #ifdef MODULE_NAME_IS_wingapi
 282     p_vout->output.i_width  = 0;
 283     p_vout->output.i_height = 0;
 284     p_pic->pf_lock  = GAPILockSurface;
 285     p_pic->pf_unlock = GAPIUnlockSurface;
 286     Manage( p_vout );
 287     GAPILockSurface( p_vout, p_pic );
 288     p_vout->i_changes = 0;
 289     p_vout->output.i_width  = p_vout->p_sys->render_width;
 290     p_vout->output.i_height = p_vout->p_sys->render_height;
 291
 292 #else
 293     p_vout->output.i_width  = p_vout->render.i_width;
 294     p_vout->output.i_height = p_vout->render.i_height;
 295
 296     p_vout->fmt_out = p_vout->fmt_in;
 297     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 298 #endif
 299
 300     p_vout->output.i_aspect = p_vout->render.i_aspect;
 301
 302     p_pic->p->p_pixels = p_vout->p_sys->p_pic_buffer;
 303     p_pic->p->i_lines = p_vout->output.i_height;
 304     p_pic->p->i_visible_lines = p_vout->output.i_height;
 305     p_pic->p->i_pitch = p_vout->p_sys->i_pic_pitch;
 306     p_pic->p->i_pixel_pitch = p_vout->p_sys->i_pic_pixel_pitch;
 307     p_pic->p->i_visible_pitch = p_vout->output.i_width *
 308         p_pic->p->i_pixel_pitch;
 309     p_pic->i_planes = 1;
 310     p_pic->i_status = DESTROYED_PICTURE;
 311     p_pic->i_type   = DIRECT_PICTURE;
 312
 313     PP_OUTPUTPICTURE[ I_OUTPUTPICTURES++ ] = p_pic;
 314
 315     /* Change the window title bar text */
 316     PostMessage( p_vout->p_sys->hwnd, WM_VLC_CHANGE_TEXT, 0, 0 );
 317     UpdateRects( p_vout, true );
 318
 319     return VLC_SUCCESS;
 320 }
 321
 322 /*****************************************************************************
 323  * End: terminate video thread output method
 324  *****************************************************************************/
 325 static void End( vout_thread_t *p_vout )
 326 {
 327 #ifdef MODULE_NAME_IS_wingapi
 328     GXCloseDisplay();
 329 #else
 330     DeleteDC( p_vout->p_sys->off_dc );
 331     DeleteObject( p_vout->p_sys->off_bitmap );
 332 #endif
 333 }
 334
 335 /*****************************************************************************
 336  * Manage: handle events
 337  *****************************************************************************
 338  * This function should be called regularly by video output thread. It manages
 339  * console events. It returns a non null value on error.
 340  *****************************************************************************/
 341 static int Manage( vout_thread_t *p_vout )
 342 {
 343     /* If we do not control our window, we check for geometry changes
 344      * ourselves because the parent might not send us its events. */
 345     vlc_mutex_lock( &p_vout->p_sys->lock );
 346     if( p_vout->p_sys->hparent && !p_vout->b_fullscreen )
 347     {
 348         RECT rect_parent;
 349         POINT point;
 350
 351         vlc_mutex_unlock( &p_vout->p_sys->lock );
 352
 353         GetClientRect( p_vout->p_sys->hparent, &rect_parent );
 354         point.x = point.y = 0;
 355         ClientToScreen( p_vout->p_sys->hparent, &point );
 356         OffsetRect( &rect_parent, point.x, point.y );
 357
 358         if( !EqualRect( &rect_parent, &p_vout->p_sys->rect_parent ) )
 359         {
 360             unsigned int i_x, i_y, i_width, i_height;
 361             p_vout->p_sys->rect_parent = rect_parent;
 362
 363             /* This one is to force the update even if only
 364              * the position has changed */
 365             SetWindowPos( p_vout->p_sys->hwnd, 0, 1, 1,
 366                           rect_parent.right - rect_parent.left,
 367                           rect_parent.bottom - rect_parent.top, 0 );
 368
 369             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 370                           rect_parent.right - rect_parent.left,
 371                           rect_parent.bottom - rect_parent.top, 0 );
 372
 373             vout_PlacePicture( p_vout, rect_parent.right - rect_parent.left,
 374                                rect_parent.bottom - rect_parent.top,
 375                                &i_x, &i_y, &i_width, &i_height );
 376
 377             SetWindowPos( p_vout->p_sys->hvideownd, HWND_TOP,
 378                           i_x, i_y, i_width, i_height, 0 );
 379         }
 380     }
 381     else
 382     {
 383         vlc_mutex_unlock( &p_vout->p_sys->lock );
 384     }
 385
 386     /* autoscale toggle */
 387     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
 388     {
 389         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
 390
 391         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
 392         p_vout->i_zoom = (int) ZOOM_FP_FACTOR;
 393
 394         UpdateRects( p_vout, true );
 395     }
 396
 397     /* scaling factor */
 398     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
 399     {
 400         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
 401
 402         p_vout->b_autoscale = false;
 403         p_vout->i_zoom =
 404             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
 405         UpdateRects( p_vout, true );
 406     }
 407
 408     /* Check for cropping / aspect changes */
 409     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 410         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 411     {
 412         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 413         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 414
 415         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 416         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 417         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 418         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 419         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 420         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 421         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 422         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 423         UpdateRects( p_vout, true );
 424     }
 425
 426     /*
 427      * Position Change
 428      */
 429     if( p_vout->p_sys->i_changes & DX_POSITION_CHANGE )
 430     {
 431         p_vout->p_sys->i_changes &= ~DX_POSITION_CHANGE;
 432     }
 433
 434     /* We used to call the Win32 PeekMessage function here to read the window
 435      * messages. But since window can stay blocked into this function for a
 436      * long time (for example when you move your window on the screen), I
 437      * decided to isolate PeekMessage in another thread. */
 438
 439     /*
 440      * Fullscreen change
 441      */
 442     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE
 443         || p_vout->p_sys->i_changes & VOUT_FULLSCREEN_CHANGE )
 444     {
 445         Win32ToggleFullscreen( p_vout );
 446
 447         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 448         p_vout->p_sys->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 449     }
 450
 451     /*
 452      * Pointer change
 453      */
 454     if( p_vout->b_fullscreen && !p_vout->p_sys->b_cursor_hidden &&
 455         (mdate() - p_vout->p_sys->i_lastmoved) >
 456             p_vout->p_sys->i_mouse_hide_timeout )
 457     {
 458         POINT point;
 459         HWND hwnd;
 460
 461         /* Hide the cursor only if it is inside our window */
 462         GetCursorPos( &point );
 463         hwnd = WindowFromPoint(point);
 464         if( hwnd == p_vout->p_sys->hwnd || hwnd == p_vout->p_sys->hvideownd )
 465         {
 466             PostMessage( p_vout->p_sys->hwnd, WM_VLC_HIDE_MOUSE, 0, 0 );
 467         }
 468         else
 469         {
 470             p_vout->p_sys->i_lastmoved = mdate();
 471         }
 472     }
 473
 474     /*
 475      * "Always on top" status change
 476      */
 477     if( p_vout->p_sys->b_on_top_change )
 478     {
 479         vlc_value_t val;
 480         HMENU hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 481
 482         var_Get( p_vout, "video-on-top", &val );
 483
 484         /* Set the window on top if necessary */
 485         if( val.b_bool && !( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 486                            & WS_EX_TOPMOST ) )
 487         {
 488             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 489                            MF_BYCOMMAND | MFS_CHECKED );
 490             SetWindowPos( p_vout->p_sys->hwnd, HWND_TOPMOST, 0, 0, 0, 0,
 491                           SWP_NOSIZE | SWP_NOMOVE );
 492         }
 493         else
 494         /* The window shouldn't be on top */
 495         if( !val.b_bool && ( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 496                            & WS_EX_TOPMOST ) )
 497         {
 498             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 499                            MF_BYCOMMAND | MFS_UNCHECKED );
 500             SetWindowPos( p_vout->p_sys->hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
 501                           SWP_NOSIZE | SWP_NOMOVE );
 502         }
 503
 504         p_vout->p_sys->b_on_top_change = false;
 505     }
 506
 507     /* Check if the event thread is still running */
 508     if( !vlc_object_alive (p_vout->p_sys->p_event) )
 509     {
 510         return VLC_EGENERIC; /* exit */
 511     }
 512
 513     return VLC_SUCCESS;
 514 }
 515
 516 /*****************************************************************************
 517  * Render: render previously calculated output
 518  *****************************************************************************/
 519 static void Render( vout_thread_t *p_vout, picture_t *p_pic )
 520 {
 521     /* No need to do anything, the fake direct buffers stay as they are */
 522     (void)p_vout;
 523     (void)p_pic;
 524 }
 525
 526 /*****************************************************************************
 527  * Display: displays previously rendered output
 528  *****************************************************************************/
 529 #define rect_src p_vout->p_sys->rect_src
 530 #define rect_src_clipped p_vout->p_sys->rect_src_clipped
 531 #define rect_dest p_vout->p_sys->rect_dest
 532 #define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
 533
 534 #ifndef MODULE_NAME_IS_wingapi
 535 static void DisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
 536 {
 537     VLC_UNUSED( p_pic );
 538
 539     vout_sys_t *p_sys = p_vout->p_sys;
 540     RECT rect_dst = rect_dest_clipped;
 541     HDC hdc = GetDC( p_sys->hvideownd );
 542
 543     OffsetRect( &rect_dst, -rect_dest.left, -rect_dest.top );
 544     SelectObject( p_sys->off_dc, p_sys->off_bitmap );
 545
 546     if( rect_dest_clipped.right - rect_dest_clipped.left !=
 547         rect_src_clipped.right - rect_src_clipped.left ||
 548         rect_dest_clipped.bottom - rect_dest_clipped.top !=
 549         rect_src_clipped.bottom - rect_src_clipped.top )
 550     {
 551         StretchBlt( hdc, rect_dst.left, rect_dst.top,
 552                     rect_dst.right, rect_dst.bottom,
 553                     p_sys->off_dc, rect_src_clipped.left, rect_src_clipped.top,
 554                     rect_src_clipped.right, rect_src_clipped.bottom, SRCCOPY );
 555     }
 556     else
 557     {
 558         BitBlt( hdc, rect_dst.left, rect_dst.top,
 559                 rect_dst.right, rect_dst.bottom,
 560                 p_sys->off_dc, rect_src_clipped.left,
 561                 rect_src_clipped.top, SRCCOPY );
 562     }
 563
 564     ReleaseDC( p_sys->hvideownd, hdc );
 565 }
 566
 567 static void FirstDisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
 568 {
 569     /*
 570     ** Video window is initially hidden, show it now since we got a
 571     ** picture to show.
 572     */
 573     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 574         SWP_ASYNCWINDOWPOS|
 575         SWP_FRAMECHANGED|
 576         SWP_SHOWWINDOW|
 577         SWP_NOMOVE|
 578         SWP_NOSIZE|
 579         SWP_NOZORDER );
 580
 581     /* get initial picture presented */
 582     DisplayGDI(p_vout, p_pic);
 583
 584     /* use and restores proper display function for further pictures */
 585     p_vout->pf_display = DisplayGDI;
 586 }
 587
 588 #else
 589
 590 static int GAPILockSurface( vout_thread_t *p_vout, picture_t *p_pic )
 591 {
 592     vout_sys_t *p_sys = p_vout->p_sys;
 593     int i_x, i_y, i_width, i_height;
 594     RECT video_rect;
 595     POINT point;
 596
 597     GetClientRect( p_sys->hwnd, &video_rect);
 598     vout_PlacePicture( p_vout, video_rect.right - video_rect.left,
 599                        video_rect.bottom - video_rect.top,
 600                        &i_x, &i_y, &i_width, &i_height );
 601     point.x = point.y = 0;
 602     ClientToScreen( p_sys->hwnd, &point );
 603     i_x += point.x + video_rect.left;
 604     i_y += point.y + video_rect.top;
 605
 606     if( i_width != p_vout->output.i_width ||
 607         i_height != p_vout->output.i_height )
 608     {
 609         GXDisplayProperties gxdisplayprop = GXGetDisplayProperties();
 610
 611         p_sys->render_width = i_width;
 612         p_sys->render_height = i_height;
 613         p_vout->i_changes |= VOUT_SIZE_CHANGE;
 614
 615         msg_Dbg( p_vout, "vout size change (%ix%i -> %ix%i)",
 616                  i_width, i_height, p_vout->output.i_width,
 617                  p_vout->output.i_height );
 618
 619         p_vout->p_sys->i_pic_pixel_pitch = gxdisplayprop.cbxPitch;
 620         p_vout->p_sys->i_pic_pitch = gxdisplayprop.cbyPitch;
 621         return VLC_EGENERIC;
 622     }
 623     else
 624     {
 625         GXDisplayProperties gxdisplayprop;
 626         RECT display_rect, dest_rect;
 627         uint8_t *p_dest, *p_src = p_pic->p->p_pixels;
 628
 629         video_rect.left = i_x; video_rect.top = i_y;
 630         video_rect.right = i_x + i_width;
 631         video_rect.bottom = i_y + i_height;
 632
 633         gxdisplayprop = GXGetDisplayProperties();
 634         display_rect.left = 0; display_rect.top = 0;
 635         display_rect.right = gxdisplayprop.cxWidth;
 636         display_rect.bottom = gxdisplayprop.cyHeight;
 637
 638         if( !IntersectRect( &dest_rect, &video_rect, &display_rect ) )
 639         {
 640             return VLC_EGENERIC;
 641         }
 642
 643 #ifndef NDEBUG
 644         msg_Dbg( p_vout, "video (%d,%d,%d,%d) display (%d,%d,%d,%d) "
 645                  "dest (%d,%d,%d,%d)",
 646                  video_rect.left, video_rect.right,
 647                  video_rect.top, video_rect.bottom,
 648                  display_rect.left, display_rect.right,
 649                  display_rect.top, display_rect.bottom,
 650                  dest_rect.left, dest_rect.right,
 651                  dest_rect.top, dest_rect.bottom );
 652 #endif
 653
 654         if( !(p_dest = GXBeginDraw()) )
 655         {
 656 #ifndef NDEBUG
 657             msg_Err( p_vout, "GXBeginDraw error %d ", GetLastError() );
 658 #endif
 659             return VLC_EGENERIC;
 660         }
 661
 662         p_src += (dest_rect.left - video_rect.left) * gxdisplayprop.cbxPitch +
 663             (dest_rect.top - video_rect.top) * p_pic->p->i_pitch;
 664         p_dest += dest_rect.left * gxdisplayprop.cbxPitch +
 665             dest_rect.top * gxdisplayprop.cbyPitch;
 666         i_width = dest_rect.right - dest_rect.left;
 667         i_height = dest_rect.bottom - dest_rect.top;
 668
 669         p_pic->p->p_pixels = p_dest;
 670     }
 671
 672     return VLC_SUCCESS;
 673 }
 674
 675 static int GAPIUnlockSurface( vout_thread_t *p_vout, picture_t *p_pic )
 676 {
 677     GXEndDraw();
 678     return VLC_SUCCESS;
 679 }
 680
 681 static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
 682 {
 683 }
 684
 685 static void FirstDisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
 686 {
 687     /* get initial picture presented through D3D */
 688     DisplayGAPI(p_vout, p_pic);
 689
 690     /*
 691     ** Video window is initially hidden, show it now since we got a
 692     ** picture to show.
 693     */
 694     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 695         SWP_ASYNCWINDOWPOS|
 696         SWP_FRAMECHANGED|
 697         SWP_SHOWWINDOW|
 698         SWP_NOMOVE|
 699         SWP_NOSIZE|
 700         SWP_NOZORDER );
 701
 702     /* use and restores proper display function for further pictures */
 703     p_vout->pf_display = DisplayGAPI;
 704 }
 705
 706 #endif
 707
 708 #undef rect_src
 709 #undef rect_src_clipped
 710 #undef rect_dest
 711 #undef rect_dest_clipped
 712 /*****************************************************************************
 713  * SetPalette: sets an 8 bpp palette
 714  *****************************************************************************/
 715 static void SetPalette( vout_thread_t *p_vout,
 716                         uint16_t *red, uint16_t *green, uint16_t *blue )
 717 {
 718     VLC_UNUSED( red ); VLC_UNUSED( green );VLC_UNUSED( blue );
 719     msg_Err( p_vout, "FIXME: SetPalette unimplemented" );
 720 }
 721
 722 /*****************************************************************************
 723  * InitBuffers: initialize an offscreen bitmap for direct buffer operations.
 724  *****************************************************************************/
 725 static void InitBuffers( vout_thread_t *p_vout )
 726 {
 727     BITMAPINFOHEADER *p_header = &p_vout->p_sys->bitmapinfo.bmiHeader;
 728     BITMAPINFO *p_info = &p_vout->p_sys->bitmapinfo;
 729     HDC window_dc = GetDC( p_vout->p_sys->hvideownd );
 730
 731     /* Get screen properties */
 732 #ifdef MODULE_NAME_IS_wingapi
 733     GXDisplayProperties gx_displayprop = GXGetDisplayProperties();
 734     p_vout->p_sys->i_depth = gx_displayprop.cBPP;
 735 #else
 736     p_vout->p_sys->i_depth = GetDeviceCaps( window_dc, PLANES ) *
 737         GetDeviceCaps( window_dc, BITSPIXEL );
 738 #endif
 739     msg_Dbg( p_vout, "GDI depth is %i", p_vout->p_sys->i_depth );
 740
 741 #ifdef MODULE_NAME_IS_wingapi
 742     GXOpenDisplay( p_vout->p_sys->hvideownd, GX_FULLSCREEN );
 743
 744 #else
 745
 746     /* Initialize offscreen bitmap */
 747     memset( p_info, 0, sizeof( BITMAPINFO ) + 3 * sizeof( RGBQUAD ) );
 748
 749     p_header->biSize = sizeof( BITMAPINFOHEADER );
 750     p_header->biSizeImage = 0;
 751     p_header->biPlanes = 1;
 752     switch( p_vout->p_sys->i_depth )
 753     {
 754     case 8:
 755         p_header->biBitCount = 8;
 756         p_header->biCompression = BI_RGB;
 757         /* FIXME: we need a palette here */
 758         break;
 759     case 15:
 760         p_header->biBitCount = 15;
 761         p_header->biCompression = BI_BITFIELDS;//BI_RGB;
 762         ((DWORD*)p_info->bmiColors)[0] = 0x00007c00;
 763         ((DWORD*)p_info->bmiColors)[1] = 0x000003e0;
 764         ((DWORD*)p_info->bmiColors)[2] = 0x0000001f;
 765         break;
 766     case 16:
 767         p_header->biBitCount = 16;
 768         p_header->biCompression = BI_BITFIELDS;//BI_RGB;
 769         ((DWORD*)p_info->bmiColors)[0] = 0x0000f800;
 770         ((DWORD*)p_info->bmiColors)[1] = 0x000007e0;
 771         ((DWORD*)p_info->bmiColors)[2] = 0x0000001f;
 772         break;
 773     case 24:
 774         p_header->biBitCount = 24;
 775         p_header->biCompression = BI_RGB;
 776         ((DWORD*)p_info->bmiColors)[0] = 0x00ff0000;
 777         ((DWORD*)p_info->bmiColors)[1] = 0x0000ff00;
 778         ((DWORD*)p_info->bmiColors)[2] = 0x000000ff;
 779         break;
 780     case 32:
 781         p_header->biBitCount = 32;
 782         p_header->biCompression = BI_RGB;
 783         ((DWORD*)p_info->bmiColors)[0] = 0x00ff0000;
 784         ((DWORD*)p_info->bmiColors)[1] = 0x0000ff00;
 785         ((DWORD*)p_info->bmiColors)[2] = 0x000000ff;
 786         break;
 787     default:
 788         msg_Err( p_vout, "screen depth %i not supported",
 789                  p_vout->p_sys->i_depth );
 790         return;
 791         break;
 792     }
 793     p_header->biWidth = p_vout->render.i_width;
 794     p_header->biHeight = -p_vout->render.i_height;
 795     p_header->biClrImportant = 0;
 796     p_header->biClrUsed = 0;
 797     p_header->biXPelsPerMeter = 0;
 798     p_header->biYPelsPerMeter = 0;
 799
 800     p_vout->p_sys->i_pic_pixel_pitch = p_header->biBitCount / 8;
 801     p_vout->p_sys->i_pic_pitch = p_header->biBitCount * p_header->biWidth / 8;
 802
 803     p_vout->p_sys->off_bitmap =
 804         CreateDIBSection( window_dc, (BITMAPINFO *)p_header, DIB_RGB_COLORS,
 805                           &p_vout->p_sys->p_pic_buffer, NULL, 0 );
 806
 807     p_vout->p_sys->off_dc = CreateCompatibleDC( window_dc );
 808
 809     SelectObject( p_vout->p_sys->off_dc, p_vout->p_sys->off_bitmap );
 810     ReleaseDC( p_vout->p_sys->hvideownd, window_dc );
 811 #endif
 812 }
 813