git.sesse.net Git - vlc/blob - modules/video_output/msw/direct3d.c

   1 /*****************************************************************************
   2  * direct3d.c: Windows Direct3D video output module
   3  *****************************************************************************
   4  * Copyright (C) 2006 the VideoLAN team
   5  *$Id$
   6  *
   7  * Authors: Damien Fouilleul <damienf@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble:
  26  *
  27  * This plugin will use YUV surface if supported, using YUV will result in
  28  * the best video quality (hardware filering when rescaling the picture)
  29  * and the fastest display as it requires less processing.
  30  *
  31  * If YUV overlay is not supported this plugin will use RGB offscreen video
  32  * surfaces that will be blitted onto the primary surface (display) to
  33  * effectively display the pictures.
  34  *
  35  *****************************************************************************/
  36 #include <errno.h>                                                 /* ENOMEM */
  37 #include <stdlib.h>                                                /* free() */
  38 #include <string.h>                                            /* strerror() */
  39
  40 #include <vlc/vlc.h>
  41 #include <vlc_interface.h>
  42 #include <vlc_playlist.h>
  43 #include <vlc_vout.h>
  44
  45 #include <windows.h>
  46 #include <d3d9.h>
  47
  48 #include "vout.h"
  49
  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 Display   ( vout_thread_t *, picture_t * );
  60 static void FirstDisplay( vout_thread_t *, picture_t * );
  61
  62 static int Direct3DVoutCreate     ( vout_thread_t * );
  63 static void Direct3DVoutRelease   ( vout_thread_t * );
  64
  65 static int  Direct3DVoutOpen      ( vout_thread_t * );
  66 static void Direct3DVoutClose     ( vout_thread_t * );
  67
  68 static int Direct3DVoutResetDevice( vout_thread_t * );
  69
  70 static int Direct3DVoutCreatePictures   ( vout_thread_t *, size_t );
  71 static void Direct3DVoutReleasePictures ( vout_thread_t * );
  72
  73 static int Direct3DVoutLockSurface  ( vout_thread_t *, picture_t * );
  74 static int Direct3DVoutUnlockSurface( vout_thread_t *, picture_t * );
  75
  76 static int Direct3DVoutCreateScene      ( vout_thread_t * );
  77 static void Direct3DVoutReleaseScene    ( vout_thread_t * );
  78 static void Direct3DVoutRenderScene     ( vout_thread_t *, picture_t * );
  79
  80 /*****************************************************************************
  81  * Module descriptor
  82  *****************************************************************************/
  83
  84 static vlc_bool_t _got_vista_or_above;
  85
  86 static int get_capability_for_osversion(void)
  87 {
  88     OSVERSIONINFO winVer;
  89     winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
  90
  91     if( GetVersionEx(&winVer) )
  92     {
  93         if( winVer.dwMajorVersion > 5 )
  94         {
  95             /* Windows Vista or above, make this module the default */
  96             _got_vista_or_above = VLC_TRUE;
  97             return 150;
  98         }
  99     }
 100     /* Windows XP or lower, make sure this module isn't the default */
 101     _got_vista_or_above = VLC_FALSE;
 102     return 50;
 103 }
 104
 105 vlc_module_begin();
 106     set_shortname( "Direct3D" );
 107     set_category( CAT_VIDEO );
 108     set_subcategory( SUBCAT_VIDEO_VOUT );
 109     set_description( _("DirectX 3D video output") );
 110     set_capability( "video output", get_capability_for_osversion() );
 111     add_shortcut( "direct3d" );
 112     set_callbacks( OpenVideo, CloseVideo );
 113
 114     /* FIXME: Hack to avoid unregistering our window class */
 115     linked_with_a_crap_library_which_uses_atexit( );
 116 vlc_module_end();
 117
 118 #if 0 /* FIXME */
 119     /* check if we registered a window class because we need to
 120      * unregister it */
 121     WNDCLASS wndclass;
 122     if( GetClassInfo( GetModuleHandle(NULL), "VLC DirectX", &wndclass ) )
 123         UnregisterClass( "VLC DirectX", GetModuleHandle(NULL) );
 124 #endif
 125
 126 /*****************************************************************************
 127  * CUSTOMVERTEX:
 128  *****************************************************************************
 129  *****************************************************************************/
 130 typedef struct
 131 {
 132     FLOAT       x,y,z;      // vertex untransformed position
 133     FLOAT       rhw;        // eye distance
 134     D3DCOLOR    diffuse;    // diffuse color
 135     FLOAT       tu, tv;     // texture relative coordinates
 136 } CUSTOMVERTEX;
 137
 138 #define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZRHW|D3DFVF_DIFFUSE|D3DFVF_TEX1)
 139
 140 /*****************************************************************************
 141  * OpenVideo: allocate Vout video thread output method
 142  *****************************************************************************
 143  * This function allocates and initialize the Direct3D vout method.
 144  *****************************************************************************/
 145 static int OpenVideo( vlc_object_t *p_this )
 146 {
 147     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 148     vlc_value_t val;
 149
 150     /* Allocate structure */
 151     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 152     if( p_vout->p_sys == NULL )
 153     {
 154         msg_Err( p_vout, "out of memory" );
 155         return VLC_ENOMEM;
 156     }
 157     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 158
 159     if( VLC_SUCCESS != Direct3DVoutCreate( p_vout ) )
 160     {
 161         msg_Err( p_vout, "Direct3D could not be initialized !");
 162         goto error;
 163     }
 164
 165     /* Initialisations */
 166     p_vout->pf_init = Init;
 167     p_vout->pf_end = End;
 168     p_vout->pf_manage = Manage;
 169     p_vout->pf_render = Direct3DVoutRenderScene;
 170     p_vout->pf_display = FirstDisplay;
 171
 172     p_vout->p_sys->hwnd = p_vout->p_sys->hvideownd = NULL;
 173     p_vout->p_sys->hparent = p_vout->p_sys->hfswnd = NULL;
 174     p_vout->p_sys->i_changes = 0;
 175     vlc_mutex_init( p_vout, &p_vout->p_sys->lock );
 176     SetRectEmpty( &p_vout->p_sys->rect_display );
 177     SetRectEmpty( &p_vout->p_sys->rect_parent );
 178
 179     var_Create( p_vout, "directx-hw-yuv", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 180     var_Create( p_vout, "directx-device", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 181
 182     p_vout->p_sys->b_cursor_hidden = 0;
 183     p_vout->p_sys->i_lastmoved = mdate();
 184
 185     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 186     var_Create( p_vout, "disable-screensaver", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 187
 188     /* Set main window's size */
 189     p_vout->p_sys->i_window_width = p_vout->i_window_width;
 190     p_vout->p_sys->i_window_height = p_vout->i_window_height;
 191
 192     /* Create the Vout EventThread, this thread is created by us to isolate
 193      * the Win32 PeekMessage function calls. We want to do this because
 194      * Windows can stay blocked inside this call for a long time, and when
 195      * this happens it thus blocks vlc's video_output thread.
 196      * Vout EventThread will take care of the creation of the video
 197      * window (because PeekMessage has to be called from the same thread which
 198      * created the window). */
 199     msg_Dbg( p_vout, "creating Vout EventThread" );
 200     p_vout->p_sys->p_event =
 201         vlc_object_create( p_vout, sizeof(event_thread_t) );
 202     p_vout->p_sys->p_event->p_vout = p_vout;
 203     if( vlc_thread_create( p_vout->p_sys->p_event, "Vout Events Thread",
 204                            E_(EventThread), 0, 1 ) )
 205     {
 206         msg_Err( p_vout, "cannot create Vout EventThread" );
 207         vlc_object_destroy( p_vout->p_sys->p_event );
 208         p_vout->p_sys->p_event = NULL;
 209         goto error;
 210     }
 211
 212     if( p_vout->p_sys->p_event->b_error )
 213     {
 214         msg_Err( p_vout, "Vout EventThread failed" );
 215         goto error;
 216     }
 217
 218     vlc_object_attach( p_vout->p_sys->p_event, p_vout );
 219
 220     msg_Dbg( p_vout, "Vout EventThread running" );
 221
 222     /* Variable to indicate if the window should be on top of others */
 223     /* Trigger a callback right now */
 224     var_Get( p_vout, "video-on-top", &val );
 225     var_Set( p_vout, "video-on-top", val );
 226
 227     /* disable screensaver by temporarily changing system settings */
 228     p_vout->p_sys->i_spi_lowpowertimeout = 0;
 229     p_vout->p_sys->i_spi_powerofftimeout = 0;
 230     p_vout->p_sys->i_spi_screensavetimeout = 0;
 231     var_Get( p_vout, "disable-screensaver", &val);
 232     if( val.b_bool ) {
 233         msg_Dbg(p_vout, "disabling screen saver");
 234         SystemParametersInfo(SPI_GETLOWPOWERTIMEOUT,
 235             0, &(p_vout->p_sys->i_spi_lowpowertimeout), 0);
 236         if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 237             SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT, 0, NULL, 0);
 238         }
 239         SystemParametersInfo(SPI_GETPOWEROFFTIMEOUT, 0,
 240             &(p_vout->p_sys->i_spi_powerofftimeout), 0);
 241         if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 242             SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT, 0, NULL, 0);
 243         }
 244         SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0,
 245             &(p_vout->p_sys->i_spi_screensavetimeout), 0);
 246         if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 247             SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, 0, NULL, 0);
 248         }
 249     }
 250     return VLC_SUCCESS;
 251
 252  error:
 253     CloseVideo( VLC_OBJECT(p_vout) );
 254     return VLC_EGENERIC;
 255 }
 256
 257 /*****************************************************************************
 258  * CloseVideo: destroy Sys video thread output method
 259  *****************************************************************************
 260  * Terminate an output method created by Create
 261  *****************************************************************************/
 262 static void CloseVideo( vlc_object_t *p_this )
 263 {
 264     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 265
 266     Direct3DVoutRelease( p_vout );
 267
 268     if( p_vout->p_sys->p_event )
 269     {
 270         vlc_object_detach( p_vout->p_sys->p_event );
 271
 272         /* Kill Vout EventThread */
 273         p_vout->p_sys->p_event->b_die = VLC_TRUE;
 274
 275         /* we need to be sure Vout EventThread won't stay stuck in
 276          * GetMessage, so we send a fake message */
 277         if( p_vout->p_sys->hwnd )
 278         {
 279             PostMessage( p_vout->p_sys->hwnd, WM_NULL, 0, 0);
 280         }
 281
 282         vlc_thread_join( p_vout->p_sys->p_event );
 283         vlc_object_destroy( p_vout->p_sys->p_event );
 284     }
 285
 286     vlc_mutex_destroy( &p_vout->p_sys->lock );
 287
 288     /* restore screensaver system settings */
 289     if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 290         SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT,
 291             p_vout->p_sys->i_spi_lowpowertimeout, NULL, 0);
 292     }
 293     if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 294         SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT,
 295             p_vout->p_sys->i_spi_powerofftimeout, NULL, 0);
 296     }
 297     if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 298         SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT,
 299             p_vout->p_sys->i_spi_screensavetimeout, NULL, 0);
 300     }
 301
 302     if( p_vout->p_sys )
 303     {
 304         free( p_vout->p_sys );
 305         p_vout->p_sys = NULL;
 306     }
 307 }
 308
 309 /*****************************************************************************
 310  * Init: initialize Direct3D video thread output method
 311  *****************************************************************************/
 312 static int Init( vout_thread_t *p_vout )
 313 {
 314     int i_ret;
 315     vlc_value_t val;
 316
 317     var_Get( p_vout, "directx-hw-yuv", &val );
 318     p_vout->p_sys->b_hw_yuv = val.b_bool;
 319
 320     /* Initialise Direct3D */
 321     if( VLC_SUCCESS != Direct3DVoutOpen( p_vout ) )
 322     {
 323         msg_Err( p_vout, "cannot initialize Direct3D" );
 324         return VLC_EGENERIC;
 325     }
 326
 327     /* Initialize the output structure.
 328      * Since Direct3D can do rescaling for us, stick to the default
 329      * coordinates and aspect. */
 330     p_vout->output.i_width  = p_vout->render.i_width;
 331     p_vout->output.i_height = p_vout->render.i_height;
 332     p_vout->output.i_aspect = p_vout->render.i_aspect;
 333     p_vout->fmt_out = p_vout->fmt_in;
 334     E_(UpdateRects)( p_vout, VLC_TRUE );
 335
 336     /*  create picture pool */
 337     p_vout->fmt_out.i_chroma = 0;
 338     i_ret = Direct3DVoutCreatePictures(p_vout, 1);
 339     if( VLC_SUCCESS != i_ret )
 340     {
 341         msg_Err(p_vout, "Direct3D picture pool initialization failed !");
 342         return i_ret;
 343     }
 344
 345     /* create scene */
 346     i_ret = Direct3DVoutCreateScene(p_vout);
 347     if( VLC_SUCCESS != i_ret )
 348     {
 349         msg_Err(p_vout, "Direct3D scene initialization failed !");
 350         Direct3DVoutReleasePictures(p_vout);
 351         return i_ret;
 352     }
 353
 354     /* Change the window title bar text */
 355     PostMessage( p_vout->p_sys->hwnd, WM_VLC_CHANGE_TEXT, 0, 0 );
 356
 357     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 358     return VLC_SUCCESS;
 359 }
 360
 361 /*****************************************************************************
 362  * End: terminate Sys video thread output method
 363  *****************************************************************************
 364  * Terminate an output method created by Create.
 365  * It is called at the end of the thread.
 366  *****************************************************************************/
 367 static void End( vout_thread_t *p_vout )
 368 {
 369     Direct3DVoutReleaseScene(p_vout);
 370     Direct3DVoutReleasePictures(p_vout);
 371     Direct3DVoutClose( p_vout );
 372 }
 373
 374 /*****************************************************************************
 375  * Manage: handle Sys events
 376  *****************************************************************************
 377  * This function should be called regularly by the video output thread.
 378  * It returns a non null value if an error occurred.
 379  *****************************************************************************/
 380 static int Manage( vout_thread_t *p_vout )
 381 {
 382     /* If we do not control our window, we check for geometry changes
 383      * ourselves because the parent might not send us its events. */
 384     vlc_mutex_lock( &p_vout->p_sys->lock );
 385     if( p_vout->p_sys->hparent && !p_vout->b_fullscreen )
 386     {
 387         RECT rect_parent;
 388         POINT point;
 389
 390         vlc_mutex_unlock( &p_vout->p_sys->lock );
 391
 392         GetClientRect( p_vout->p_sys->hparent, &rect_parent );
 393         point.x = point.y = 0;
 394         ClientToScreen( p_vout->p_sys->hparent, &point );
 395         OffsetRect( &rect_parent, point.x, point.y );
 396
 397         if( !EqualRect( &rect_parent, &p_vout->p_sys->rect_parent ) )
 398         {
 399             p_vout->p_sys->rect_parent = rect_parent;
 400
 401             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 402                           rect_parent.right - rect_parent.left,
 403                           rect_parent.bottom - rect_parent.top,
 404                           SWP_NOZORDER );
 405         }
 406     }
 407     else
 408     {
 409         vlc_mutex_unlock( &p_vout->p_sys->lock );
 410     }
 411
 412     /*
 413      * Position Change
 414      */
 415     if( p_vout->p_sys->i_changes & DX_POSITION_CHANGE )
 416     {
 417 #if 0 /* need that when bicubic filter is available */
 418         RECT rect;
 419         UINT width, height;
 420
 421         GetClientRect(p_vout->p_sys->hvideownd, &rect);
 422         width  = rect.right-rect.left;
 423         height = rect.bottom-rect.top;
 424
 425         if( (width != p_vout->p_sys->d3dpp.BackBufferWidth)
 426          || (height != p_vout->p_sys->d3dpp.BackBufferHeight) )
 427         {
 428             msg_Dbg(p_vout, "resizing device back buffers to (%lux%lu)", width, height);
 429             // need to reset D3D device to resize back buffer
 430             if( VLC_SUCCESS != Direct3DVoutResetDevice(p_vout, width, height) )
 431                 return VLC_EGENERIC;
 432         }
 433 #endif
 434         p_vout->p_sys->i_changes &= ~DX_POSITION_CHANGE;
 435     }
 436
 437     /* Check for cropping / aspect changes */
 438     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 439         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 440     {
 441         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 442         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 443
 444         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 445         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 446         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 447         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 448         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 449         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 450         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 451         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 452         E_(UpdateRects)( p_vout, VLC_TRUE );
 453     }
 454
 455     /* We used to call the Win32 PeekMessage function here to read the window
 456      * messages. But since window can stay blocked into this function for a
 457      * long time (for example when you move your window on the screen), I
 458      * decided to isolate PeekMessage in another thread. */
 459
 460     /*
 461      * Fullscreen change
 462      */
 463     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE
 464         || p_vout->p_sys->i_changes & VOUT_FULLSCREEN_CHANGE )
 465     {
 466         Win32ToggleFullscreen( p_vout );
 467
 468         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 469         p_vout->p_sys->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 470     }
 471
 472     /*
 473      * Pointer change
 474      */
 475     if( p_vout->b_fullscreen && !p_vout->p_sys->b_cursor_hidden &&
 476         (mdate() - p_vout->p_sys->i_lastmoved) > 5000000 )
 477     {
 478         POINT point;
 479         HWND hwnd;
 480
 481         /* Hide the cursor only if it is inside our window */
 482         GetCursorPos( &point );
 483         hwnd = WindowFromPoint(point);
 484         if( hwnd == p_vout->p_sys->hwnd || hwnd == p_vout->p_sys->hvideownd )
 485         {
 486             PostMessage( p_vout->p_sys->hwnd, WM_VLC_HIDE_MOUSE, 0, 0 );
 487         }
 488         else
 489         {
 490             p_vout->p_sys->i_lastmoved = mdate();
 491         }
 492     }
 493
 494     /*
 495      * "Always on top" status change
 496      */
 497     if( p_vout->p_sys->b_on_top_change )
 498     {
 499         vlc_value_t val;
 500         HMENU hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 501
 502         var_Get( p_vout, "video-on-top", &val );
 503
 504         /* Set the window on top if necessary */
 505         if( val.b_bool && !( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 506                            & WS_EX_TOPMOST ) )
 507         {
 508             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 509                            MF_BYCOMMAND | MFS_CHECKED );
 510             SetWindowPos( p_vout->p_sys->hwnd, HWND_TOPMOST, 0, 0, 0, 0,
 511                           SWP_NOSIZE | SWP_NOMOVE );
 512         }
 513         else
 514         /* The window shouldn't be on top */
 515         if( !val.b_bool && ( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 516                            & WS_EX_TOPMOST ) )
 517         {
 518             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 519                            MF_BYCOMMAND | MFS_UNCHECKED );
 520             SetWindowPos( p_vout->p_sys->hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
 521                           SWP_NOSIZE | SWP_NOMOVE );
 522         }
 523
 524         p_vout->p_sys->b_on_top_change = VLC_FALSE;
 525     }
 526
 527     /* Check if the event thread is still running */
 528     if( p_vout->p_sys->p_event->b_die )
 529     {
 530         return VLC_EGENERIC; /* exit */
 531     }
 532
 533     return VLC_SUCCESS;
 534 }
 535
 536 /*****************************************************************************
 537  * Display: displays previously rendered output
 538  *****************************************************************************
 539  * This function sends the currently rendered image to the display, wait until
 540  * it is displayed and switch the two rendering buffers, preparing next frame.
 541  *****************************************************************************/
 542 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
 543 {
 544     LPDIRECT3DDEVICE9       p_d3ddev = p_vout->p_sys->p_d3ddev;
 545     // Present the back buffer contents to the display
 546     // stretching and filtering happens here
 547     HRESULT hr = IDirect3DDevice9_Present(p_d3ddev,
 548                     &(p_vout->p_sys->rect_src_clipped),
 549                     NULL, NULL, NULL);
 550     if( FAILED(hr) )
 551         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 552 }
 553
 554 /*
 555 ** this function is only used once when the first picture is received
 556 ** this function will show the video window once a picture is ready
 557 */
 558
 559 static void FirstDisplay( vout_thread_t *p_vout, picture_t *p_pic )
 560 {
 561     /* get initial picture presented through D3D */
 562     Display(p_vout, p_pic);
 563
 564     /*
 565     ** Video window is initially hidden, show it now since we got a
 566     ** picture to show.
 567     */
 568     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 569         SWP_ASYNCWINDOWPOS|
 570         SWP_FRAMECHANGED|
 571         SWP_SHOWWINDOW|
 572         SWP_NOMOVE|
 573         SWP_NOSIZE|
 574         SWP_NOZORDER );
 575
 576     /* use and restores proper display function for further pictures */
 577     p_vout->pf_display = Display;
 578 }
 579
 580 /*****************************************************************************
 581  * DirectD3DVoutCreate: Initialize and instance of Direct3D9
 582  *****************************************************************************
 583  * This function initialize Direct3D and analyze available resources from
 584  * default adapter.
 585  *****************************************************************************/
 586 static int Direct3DVoutCreate( vout_thread_t *p_vout )
 587 {
 588     HRESULT hr;
 589     LPDIRECT3D9 p_d3dobj;
 590     D3DCAPS9 d3dCaps;
 591
 592     LPDIRECT3D9 (WINAPI *OurDirect3DCreate9)(UINT SDKVersion);
 593
 594     p_vout->p_sys->hd3d9_dll = LoadLibrary(TEXT("D3D9.DLL"));
 595     if( NULL == p_vout->p_sys->hd3d9_dll )
 596     {
 597         msg_Warn( p_vout, "cannot load d3d9.dll, aborting" );
 598         return VLC_EGENERIC;
 599     }
 600
 601     OurDirect3DCreate9 =
 602       (void *)GetProcAddress( p_vout->p_sys->hd3d9_dll,
 603                               TEXT("Direct3DCreate9") );
 604     if( OurDirect3DCreate9 == NULL )
 605     {
 606         msg_Err( p_vout, "Cannot locate reference to Direct3DCreate9 ABI in DLL" );
 607         return VLC_EGENERIC;
 608     }
 609
 610     /* Create the D3D object. */
 611     p_d3dobj = OurDirect3DCreate9( D3D_SDK_VERSION );
 612     if( NULL == p_d3dobj )
 613     {
 614        msg_Err( p_vout, "Could not create Direct3D9 instance.");
 615        return VLC_EGENERIC;
 616     }
 617     p_vout->p_sys->p_d3dobj = p_d3dobj;
 618
 619     /*
 620     ** Get device capabilities
 621     */
 622     ZeroMemory(&d3dCaps, sizeof(d3dCaps));
 623     hr = IDirect3D9_GetDeviceCaps(p_d3dobj, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &d3dCaps);
 624     if( FAILED(hr) )
 625     {
 626        msg_Err( p_vout, "Could not read adapter capabilities. (hr=0x%lX)", hr);
 627        return VLC_EGENERIC;
 628     }
 629     /* TODO: need to test device capabilities and select the right render function */
 630
 631     return VLC_SUCCESS;
 632 }
 633
 634 /*****************************************************************************
 635  * DirectD3DVoutRelease: release an instance of Direct3D9
 636  *****************************************************************************/
 637
 638 static void Direct3DVoutRelease( vout_thread_t *p_vout )
 639 {
 640     if( p_vout->p_sys->p_d3dobj )
 641     {
 642        IDirect3D9_Release(p_vout->p_sys->p_d3dobj);
 643        p_vout->p_sys->p_d3dobj = NULL;
 644     }
 645     if( NULL != p_vout->p_sys->hd3d9_dll )
 646     {
 647         FreeLibrary(p_vout->p_sys->hd3d9_dll);
 648         p_vout->p_sys->hd3d9_dll = NULL;
 649     }
 650 }
 651
 652 static int Direct3DFillPresentationParameters(vout_thread_t *p_vout, D3DPRESENT_PARAMETERS *d3dpp)
 653 {
 654     LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 655     D3DDISPLAYMODE d3ddm;
 656     HRESULT hr;
 657
 658     /*
 659     ** Get the current desktop display mode, so we can set up a back
 660     ** buffer of the same format
 661     */
 662     hr = IDirect3D9_GetAdapterDisplayMode(p_d3dobj, D3DADAPTER_DEFAULT, &d3ddm );
 663     if( FAILED(hr))
 664     {
 665        msg_Err( p_vout, "Could not read adapter display mode. (hr=0x%lX)", hr);
 666        return VLC_EGENERIC;
 667     }
 668
 669     /* keep a copy of current desktop format */
 670     p_vout->p_sys->bbFormat = d3ddm.Format;
 671
 672     /* Set up the structure used to create the D3DDevice. */
 673     ZeroMemory( d3dpp, sizeof(D3DPRESENT_PARAMETERS) );
 674     d3dpp->Flags                  = D3DPRESENTFLAG_VIDEO;
 675     d3dpp->Windowed               = TRUE;
 676     d3dpp->hDeviceWindow          = p_vout->p_sys->hvideownd;
 677     d3dpp->BackBufferWidth        = p_vout->output.i_width;
 678     d3dpp->BackBufferHeight       = p_vout->output.i_height;
 679     d3dpp->SwapEffect             = D3DSWAPEFFECT_COPY;
 680     d3dpp->MultiSampleType        = D3DMULTISAMPLE_NONE;
 681     d3dpp->PresentationInterval   = D3DPRESENT_INTERVAL_DEFAULT;
 682     d3dpp->BackBufferFormat       = d3ddm.Format;
 683     d3dpp->BackBufferCount        = 1;
 684     d3dpp->EnableAutoDepthStencil = FALSE;
 685
 686     return VLC_SUCCESS;
 687 }
 688
 689 /*****************************************************************************
 690  * DirectD3DVoutOpen: Takes care of all the Direct3D9 initialisations
 691  *****************************************************************************
 692  * This function creates Direct3D device
 693  * this must be called from the vout thread for performance reason, as
 694  * all Direct3D Device APIs are used in a non multithread safe environment
 695  *****************************************************************************/
 696 static int Direct3DVoutOpen( vout_thread_t *p_vout )
 697 {
 698     LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 699     LPDIRECT3DDEVICE9 p_d3ddev;
 700     D3DPRESENT_PARAMETERS d3dpp;
 701     HRESULT hr;
 702
 703     if( VLC_SUCCESS != Direct3DFillPresentationParameters(p_vout, &d3dpp) )
 704         return VLC_EGENERIC;
 705
 706     // Create the D3DDevice
 707     hr = IDirect3D9_CreateDevice(p_d3dobj, D3DADAPTER_DEFAULT,
 708                                  D3DDEVTYPE_HAL, p_vout->p_sys->hvideownd,
 709                                  D3DCREATE_SOFTWARE_VERTEXPROCESSING|
 710                                  D3DCREATE_MULTITHREADED,
 711                                  &d3dpp, &p_d3ddev );
 712     if( FAILED(hr) )
 713     {
 714        msg_Err(p_vout, "Could not create the D3D device! (hr=0x%lX)", hr);
 715        return VLC_EGENERIC;
 716     }
 717     p_vout->p_sys->p_d3ddev = p_d3ddev;
 718
 719     msg_Dbg( p_vout, "Direct3D device adapter successfully initialized" );
 720     return VLC_SUCCESS;
 721 }
 722
 723 /*****************************************************************************
 724  * DirectD3DClose: release the Direct3D9 device
 725  *****************************************************************************/
 726 static void Direct3DVoutClose( vout_thread_t *p_vout )
 727 {
 728     if( p_vout->p_sys->p_d3ddev )
 729     {
 730        IDirect3DDevice9_Release(p_vout->p_sys->p_d3ddev);
 731        p_vout->p_sys->p_d3ddev = NULL;
 732     }
 733
 734     p_vout->p_sys->hmonitor = NULL;
 735 }
 736
 737 /*****************************************************************************
 738  * DirectD3DClose: reset the Direct3D9 device
 739  *****************************************************************************
 740  * All resources must be deallocated before the reset occur, they will be
 741  * realllocated once the reset has been performed successfully
 742  *****************************************************************************/
 743 static int Direct3DVoutResetDevice( vout_thread_t *p_vout )
 744 {
 745     LPDIRECT3DDEVICE9       p_d3ddev = p_vout->p_sys->p_d3ddev;
 746     D3DPRESENT_PARAMETERS   d3dpp;
 747     HRESULT hr;
 748
 749     if( VLC_SUCCESS != Direct3DFillPresentationParameters(p_vout, &d3dpp) )
 750         return VLC_EGENERIC;
 751
 752     // release all D3D objects
 753     Direct3DVoutReleaseScene( p_vout );
 754     Direct3DVoutReleasePictures( p_vout );
 755
 756     hr = IDirect3DDevice9_Reset(p_d3ddev, &d3dpp);
 757     if( SUCCEEDED(hr) )
 758     {
 759         // re-create them
 760         if( (VLC_SUCCESS != Direct3DVoutCreatePictures(p_vout, 1))
 761          || (VLC_SUCCESS != Direct3DVoutCreateScene(p_vout)) )
 762         {
 763             msg_Dbg(p_vout, "%s failed !", __FUNCTION__);
 764             return VLC_EGENERIC;
 765         }
 766     }
 767     else {
 768         msg_Err(p_vout, "%s failed ! (hr=%08lX)", __FUNCTION__, hr);
 769         return VLC_EGENERIC;
 770     }
 771     return VLC_SUCCESS;
 772 }
 773
 774 static D3DFORMAT Direct3DVoutSelectFormat( vout_thread_t *p_vout, D3DFORMAT target,
 775     const D3DFORMAT *formats, size_t count)
 776 {
 777     LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 778     size_t c;
 779
 780     for( c=0; c<count; ++c )
 781     {
 782         HRESULT hr;
 783         D3DFORMAT format = formats[c];
 784         /* test whether device can create a surface of that format */
 785         hr = IDirect3D9_CheckDeviceFormat(p_d3dobj, D3DADAPTER_DEFAULT,
 786                 D3DDEVTYPE_HAL, target, 0, D3DRTYPE_SURFACE, format);
 787         if( SUCCEEDED(hr) )
 788         {
 789             /* test whether device can perform color-conversion
 790             ** from that format to target format
 791             */
 792             hr = IDirect3D9_CheckDeviceFormatConversion(p_d3dobj,
 793                     D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
 794                     format, target);
 795         }
 796         if( SUCCEEDED(hr) )
 797         {
 798             // found a compatible format
 799             switch( format )
 800             {
 801                 case D3DFMT_UYVY:
 802                     msg_Dbg( p_vout, "selected surface pixel format is UYVY");
 803                     break;
 804                 case D3DFMT_YUY2:
 805                     msg_Dbg( p_vout, "selected surface pixel format is YUY2");
 806                     break;
 807                 case D3DFMT_X8R8G8B8:
 808                     msg_Dbg( p_vout, "selected surface pixel format is X8R8G8B8");
 809                     break;
 810                 case D3DFMT_A8R8G8B8:
 811                     msg_Dbg( p_vout, "selected surface pixel format is A8R8G8B8");
 812                     break;
 813                 case D3DFMT_R8G8B8:
 814                     msg_Dbg( p_vout, "selected surface pixel format is R8G8B8");
 815                     break;
 816                 case D3DFMT_R5G6B5:
 817                     msg_Dbg( p_vout, "selected surface pixel format is R5G6B5");
 818                     break;
 819                 case D3DFMT_X1R5G5B5:
 820                     msg_Dbg( p_vout, "selected surface pixel format is X1R5G5B5");
 821                     break;
 822                 default:
 823                     msg_Dbg( p_vout, "selected surface pixel format is 0x%0X", format);
 824                     break;
 825             }
 826             return format;
 827         }
 828         else if( D3DERR_NOTAVAILABLE != hr )
 829         {
 830             msg_Err( p_vout, "Could not query adapter supported formats. (hr=0x%lX)", hr);
 831             break;
 832         }
 833     }
 834     return D3DFMT_UNKNOWN;
 835 }
 836
 837 static D3DFORMAT Direct3DVoutFindFormat(vout_thread_t *p_vout, int i_chroma, D3DFORMAT target)
 838 {
 839     if( p_vout->p_sys->b_hw_yuv && ! _got_vista_or_above )
 840     {
 841         /* it sounds like vista does not support YUV surfaces at all */
 842         switch( i_chroma )
 843         {
 844             case VLC_FOURCC('U','Y','V','Y'):
 845             case VLC_FOURCC('U','Y','N','V'):
 846             case VLC_FOURCC('Y','4','2','2'):
 847             {
 848                 static const D3DFORMAT formats[] =
 849                     { D3DFMT_UYVY, D3DFMT_YUY2, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 850                 return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 851             }
 852             case VLC_FOURCC('I','4','2','0'):
 853             case VLC_FOURCC('I','4','2','2'):
 854             case VLC_FOURCC('Y','V','1','2'):
 855             {
 856                 /* typically 3D textures don't support planar format
 857                 ** fallback to packed version and use CPU for the conversion
 858                 */
 859                 static const D3DFORMAT formats[] =
 860                     { D3DFMT_YUY2, D3DFMT_UYVY, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 861                 return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 862             }
 863             case VLC_FOURCC('Y','U','Y','2'):
 864             case VLC_FOURCC('Y','U','N','V'):
 865             {
 866                 static const D3DFORMAT formats[] =
 867                     { D3DFMT_YUY2, D3DFMT_UYVY, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 868                 return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 869             }
 870         }
 871     }
 872
 873     switch( i_chroma )
 874     {
 875         case VLC_FOURCC('R', 'V', '1', '5'):
 876         {
 877             static const D3DFORMAT formats[] =
 878                 { D3DFMT_X1R5G5B5 };
 879             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 880         }
 881         case VLC_FOURCC('R', 'V', '1', '6'):
 882         {
 883             static const D3DFORMAT formats[] =
 884                 { D3DFMT_R5G6B5 };
 885             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 886         }
 887         case VLC_FOURCC('R', 'V', '2', '4'):
 888         {
 889             static const D3DFORMAT formats[] =
 890                 { D3DFMT_R8G8B8, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8 };
 891             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 892         }
 893         case VLC_FOURCC('R', 'V', '3', '2'):
 894         {
 895             static const D3DFORMAT formats[] =
 896                 { D3DFMT_A8R8G8B8, D3DFMT_X8R8G8B8 };
 897             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 898         }
 899         default:
 900         {
 901             /* use display default format */
 902             LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 903             D3DDISPLAYMODE d3ddm;
 904
 905             HRESULT hr = IDirect3D9_GetAdapterDisplayMode(p_d3dobj, D3DADAPTER_DEFAULT, &d3ddm );
 906             if( SUCCEEDED(hr))
 907             {
 908                 /*
 909                 ** some professional cards could use some advanced pixel format as default,
 910                 ** make sure we stick with chromas that we can handle internally
 911                 */
 912                 switch( d3ddm.Format )
 913                 {
 914                     case D3DFMT_R8G8B8:
 915                     case D3DFMT_X8R8G8B8:
 916                     case D3DFMT_A8R8G8B8:
 917                     case D3DFMT_R5G6B5:
 918                     case D3DFMT_X1R5G5B5:
 919                         msg_Dbg( p_vout, "defaulting to adpater pixel format");
 920                         return Direct3DVoutSelectFormat(p_vout, target, &d3ddm.Format, 1);
 921                     default:
 922                     {
 923                         /* if we fall here, that probably means that we need to render some YUV format */
 924                         static const D3DFORMAT formats[] =
 925                             { D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 926                         msg_Dbg( p_vout, "defaulting to built-in pixel format");
 927                         return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 928                     }
 929                 }
 930             }
 931         }
 932     }
 933     return D3DFMT_UNKNOWN;
 934 }
 935
 936 static int Direct3DVoutSetOutputFormat(vout_thread_t *p_vout, D3DFORMAT format)
 937 {
 938     switch( format )
 939     {
 940         case D3DFMT_YUY2:
 941             p_vout->output.i_chroma = VLC_FOURCC('Y', 'U', 'Y', '2');
 942             break;
 943         case D3DFMT_UYVY:
 944             p_vout->output.i_chroma = VLC_FOURCC('U', 'Y', 'V', 'Y');
 945             break;
 946         case D3DFMT_R8G8B8:
 947             p_vout->output.i_chroma = VLC_FOURCC('R', 'V', '2', '4');
 948             p_vout->output.i_rmask = 0xff0000;
 949             p_vout->output.i_gmask = 0x00ff00;
 950             p_vout->output.i_bmask = 0x0000ff;
 951             break;
 952         case D3DFMT_X8R8G8B8:
 953         case D3DFMT_A8R8G8B8:
 954             p_vout->output.i_chroma = VLC_FOURCC('R', 'V', '3', '2');
 955             p_vout->output.i_rmask = 0x00ff0000;
 956             p_vout->output.i_gmask = 0x0000ff00;
 957             p_vout->output.i_bmask = 0x000000ff;
 958             break;
 959         case D3DFMT_R5G6B5:
 960             p_vout->output.i_chroma = VLC_FOURCC('R', 'V', '1', '6');
 961             p_vout->output.i_rmask = (0x1fL)<<11;
 962             p_vout->output.i_gmask = (0x3fL)<<5;
 963             p_vout->output.i_bmask = (0x1fL)<<0;
 964             break;
 965         case D3DFMT_X1R5G5B5:
 966             p_vout->output.i_chroma = VLC_FOURCC('R', 'V', '1', '5');
 967             p_vout->output.i_rmask = (0x1fL)<<10;
 968             p_vout->output.i_gmask = (0x1fL)<<5;
 969             p_vout->output.i_bmask = (0x1fL)<<0;
 970             break;
 971         default:
 972             return VLC_EGENERIC;
 973     }
 974     return VLC_SUCCESS;
 975 }
 976
 977 /*****************************************************************************
 978  * Direct3DVoutCreatePictures: allocate a vector of identical pictures
 979  *****************************************************************************
 980  * Each picture has an associated offscreen surface in video memory
 981  * depending on hardware capabilities the picture chroma will be as close
 982  * as possible to the orginal render chroma to reduce CPU conversion overhead
 983  * and delegate this work to video card GPU
 984  *****************************************************************************/
 985 static int Direct3DVoutCreatePictures( vout_thread_t *p_vout, size_t i_num_pics )
 986 {
 987     LPDIRECT3DDEVICE9       p_d3ddev  = p_vout->p_sys->p_d3ddev;
 988     D3DFORMAT               format;
 989     HRESULT hr;
 990     size_t c;
 991     // if vout is already running, use current chroma, otherwise choose from upstream
 992     int i_chroma = p_vout->output.i_chroma ? : p_vout->render.i_chroma;
 993
 994     I_OUTPUTPICTURES = 0;
 995
 996     /*
 997     ** find the appropriate D3DFORMAT for the render chroma, the format will be the closest to
 998     ** the requested chroma which is usable by the hardware in an offscreen surface, as they
 999     ** typically support more formats than textures
1000     */
1001     format = Direct3DVoutFindFormat(p_vout, i_chroma, p_vout->p_sys->bbFormat);
1002     if( VLC_SUCCESS != Direct3DVoutSetOutputFormat(p_vout, format) )
1003     {
1004         msg_Err(p_vout, "surface pixel format is not supported.");
1005         return VLC_EGENERIC;
1006     }
1007
1008     for( c=0; c<i_num_pics; )
1009     {
1010
1011         LPDIRECT3DSURFACE9 p_d3dsurf;
1012         picture_t *p_pic = p_vout->p_picture+c;
1013
1014         hr = IDirect3DDevice9_CreateOffscreenPlainSurface(p_d3ddev,
1015                 p_vout->render.i_width,
1016                 p_vout->render.i_height,
1017                 format,
1018                 D3DPOOL_DEFAULT,
1019                 &p_d3dsurf,
1020                 NULL);
1021         if( FAILED(hr) )
1022         {
1023             msg_Err(p_vout, "Failed to create picture surface. (hr=0x%lx)", hr);
1024             Direct3DVoutReleasePictures(p_vout);
1025             return VLC_EGENERIC;
1026         }
1027
1028         /* fill surface with black color */
1029         IDirect3DDevice9_ColorFill(p_d3ddev, p_d3dsurf, NULL, D3DCOLOR_ARGB(0xFF, 0, 0, 0) );
1030
1031         /* assign surface to internal structure */
1032         p_pic->p_sys = (void *)p_d3dsurf;
1033
1034         /* Now that we've got our direct-buffer, we can finish filling in the
1035          * picture_t structures */
1036         switch( p_vout->output.i_chroma )
1037         {
1038             case VLC_FOURCC('R','G','B','2'):
1039                 p_pic->p->i_lines = p_vout->output.i_height;
1040                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1041                 p_pic->p->i_pixel_pitch = 1;
1042                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1043                     p_pic->p->i_pixel_pitch;
1044                 p_pic->i_planes = 1;
1045             break;
1046             case VLC_FOURCC('R','V','1','5'):
1047             case VLC_FOURCC('R','V','1','6'):
1048                 p_pic->p->i_lines = p_vout->output.i_height;
1049                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1050                 p_pic->p->i_pixel_pitch = 2;
1051                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1052                     p_pic->p->i_pixel_pitch;
1053                 p_pic->i_planes = 1;
1054             break;
1055             case VLC_FOURCC('R','V','2','4'):
1056                 p_pic->p->i_lines = p_vout->output.i_height;
1057                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1058                 p_pic->p->i_pixel_pitch = 3;
1059                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1060                     p_pic->p->i_pixel_pitch;
1061                 p_pic->i_planes = 1;
1062             break;
1063             case VLC_FOURCC('R','V','3','2'):
1064                 p_pic->p->i_lines = p_vout->output.i_height;
1065                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1066                 p_pic->p->i_pixel_pitch = 4;
1067                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1068                     p_pic->p->i_pixel_pitch;
1069                 p_pic->i_planes = 1;
1070                 break;
1071             case VLC_FOURCC('U','Y','V','Y'):
1072             case VLC_FOURCC('Y','U','Y','2'):
1073                 p_pic->p->i_lines = p_vout->output.i_height;
1074                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1075                 p_pic->p->i_pixel_pitch = 2;
1076                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1077                     p_pic->p->i_pixel_pitch;
1078                 p_pic->i_planes = 1;
1079                 break;
1080             default:
1081                 Direct3DVoutReleasePictures(p_vout);
1082                 return VLC_EGENERIC;
1083         }
1084         p_pic->i_status = DESTROYED_PICTURE;
1085         p_pic->i_type   = DIRECT_PICTURE;
1086         p_pic->b_slow   = VLC_TRUE;
1087         p_pic->pf_lock  = Direct3DVoutLockSurface;
1088         p_pic->pf_unlock = Direct3DVoutUnlockSurface;
1089         PP_OUTPUTPICTURE[c] = p_pic;
1090
1091         I_OUTPUTPICTURES = ++c;
1092     }
1093
1094     msg_Dbg( p_vout, "%u Direct3D pictures created successfully", c );
1095
1096     return VLC_SUCCESS;
1097 }
1098
1099 /*****************************************************************************
1100  * Direct3DVoutReleasePictures: destroy a picture vector
1101  *****************************************************************************
1102  * release all video resources used for pictures
1103  *****************************************************************************/
1104 static void Direct3DVoutReleasePictures( vout_thread_t *p_vout)
1105 {
1106     size_t i_num_pics = I_OUTPUTPICTURES;
1107     size_t c;
1108     for( c=0; c<i_num_pics; ++c )
1109     {
1110         picture_t *p_pic = p_vout->p_picture+c;
1111         if( p_pic->p_sys )
1112         {
1113             LPDIRECT3DSURFACE9 p_d3dsurf = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1114
1115             p_pic->p_sys = NULL;
1116
1117             if( p_d3dsurf )
1118             {
1119                 IDirect3DSurface9_Release(p_d3dsurf);
1120             }
1121         }
1122     }
1123     msg_Dbg( p_vout, "%u Direct3D pictures released.", c);
1124
1125     I_OUTPUTPICTURES = 0;
1126 }
1127
1128 /*****************************************************************************
1129  * Direct3DVoutLockSurface: Lock surface and get picture data pointer
1130  *****************************************************************************
1131  * This function locks a surface and get the surface descriptor which amongst
1132  * other things has the pointer to the picture data.
1133  *****************************************************************************/
1134 static int Direct3DVoutLockSurface( vout_thread_t *p_vout, picture_t *p_pic )
1135 {
1136     HRESULT hr;
1137     D3DLOCKED_RECT d3drect;
1138     LPDIRECT3DSURFACE9 p_d3dsurf = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1139
1140     if( NULL == p_d3dsurf )
1141         return VLC_EGENERIC;
1142
1143     /* Lock the surface to get a valid pointer to the picture buffer */
1144     hr = IDirect3DSurface9_LockRect(p_d3dsurf, &d3drect, NULL, 0);
1145     if( FAILED(hr) )
1146     {
1147         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1148         return VLC_EGENERIC;
1149     }
1150
1151     /* fill in buffer info in first plane */
1152     p_pic->p->p_pixels = d3drect.pBits;
1153     p_pic->p->i_pitch  = d3drect.Pitch;
1154
1155     return VLC_SUCCESS;
1156 }
1157
1158 /*****************************************************************************
1159  * Direct3DVoutUnlockSurface: Unlock a surface locked by Direct3DLockSurface().
1160  *****************************************************************************/
1161 static int Direct3DVoutUnlockSurface( vout_thread_t *p_vout, picture_t *p_pic )
1162 {
1163     HRESULT hr;
1164     LPDIRECT3DSURFACE9 p_d3dsurf = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1165
1166     if( NULL == p_d3dsurf )
1167         return VLC_EGENERIC;
1168
1169     /* Unlock the Surface */
1170     hr = IDirect3DSurface9_UnlockRect(p_d3dsurf);
1171     if( FAILED(hr) )
1172     {
1173         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1174         return VLC_EGENERIC;
1175     }
1176     return VLC_SUCCESS;
1177 }
1178
1179 /*****************************************************************************
1180  * Direct3DVoutCreateScene: allocate and initialize a 3D scene
1181  *****************************************************************************
1182  * for advanced blending/filtering a texture needs be used in a 3D scene.
1183  *****************************************************************************/
1184
1185 static int Direct3DVoutCreateScene( vout_thread_t *p_vout )
1186 {
1187     LPDIRECT3DDEVICE9       p_d3ddev  = p_vout->p_sys->p_d3ddev;
1188     LPDIRECT3DTEXTURE9      p_d3dtex;
1189     LPDIRECT3DVERTEXBUFFER9 p_d3dvtc;
1190
1191     HRESULT hr;
1192
1193     /*
1194     ** Create a texture for use when rendering a scene
1195     ** for performance reason, texture format is identical to backbuffer
1196     ** which would usually be a RGB format
1197     */
1198     hr = IDirect3DDevice9_CreateTexture(p_d3ddev,
1199             p_vout->render.i_width,
1200             p_vout->render.i_height,
1201             1,
1202             D3DUSAGE_RENDERTARGET,
1203             p_vout->p_sys->bbFormat,
1204             D3DPOOL_DEFAULT,
1205             &p_d3dtex,
1206             NULL);
1207     if( FAILED(hr))
1208     {
1209         msg_Err(p_vout, "Failed to create texture. (hr=0x%lx)", hr);
1210         return VLC_EGENERIC;
1211     }
1212
1213     /*
1214     ** Create a vertex buffer for use when rendering scene
1215     */
1216     hr = IDirect3DDevice9_CreateVertexBuffer(p_d3ddev,
1217             sizeof(CUSTOMVERTEX)*4,
1218             D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY,
1219             D3DFVF_CUSTOMVERTEX,
1220             D3DPOOL_DEFAULT,
1221             &p_d3dvtc,
1222             NULL);
1223     if( FAILED(hr) )
1224     {
1225         msg_Err(p_vout, "Failed to create vertex buffer. (hr=0x%lx)", hr);
1226             IDirect3DTexture9_Release(p_d3dtex);
1227         return VLC_EGENERIC;
1228     }
1229
1230     p_vout->p_sys->p_d3dtex = p_d3dtex;
1231     p_vout->p_sys->p_d3dvtc = p_d3dvtc;
1232
1233     // Texture coordinates outside the range [0.0, 1.0] are set
1234     // to the texture color at 0.0 or 1.0, respectively.
1235     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
1236     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
1237
1238     // Set linear filtering quality
1239     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
1240     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
1241
1242     // set maximum ambient light
1243     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_AMBIENT, D3DCOLOR_XRGB(255,255,255));
1244
1245     // Turn off culling
1246     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_CULLMODE, D3DCULL_NONE);
1247
1248     // Turn off the zbuffer
1249     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ZENABLE, D3DZB_FALSE);
1250
1251     // Turn off lights
1252     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_LIGHTING, FALSE);
1253
1254     // Enable dithering
1255     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_DITHERENABLE, TRUE);
1256
1257     // disable stencil
1258     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_STENCILENABLE, FALSE);
1259
1260     // manage blending
1261     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHABLENDENABLE, TRUE);
1262     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_SRCBLEND,D3DBLEND_SRCALPHA);
1263     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_DESTBLEND,D3DBLEND_INVSRCALPHA);
1264     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHATESTENABLE,TRUE);
1265     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHAREF, 0x10);
1266     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHAFUNC,D3DCMP_GREATER);
1267
1268     // Set texture states
1269     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_COLOROP,D3DTOP_MODULATE);
1270     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_COLORARG1,D3DTA_TEXTURE);
1271     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_COLORARG2,D3DTA_DIFFUSE);
1272
1273     // turn off alpha operation
1274     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
1275
1276     msg_Dbg( p_vout, "Direct3D scene created successfully");
1277
1278     return VLC_SUCCESS;
1279 }
1280
1281 /*****************************************************************************
1282  * Direct3DVoutReleaseScene
1283  *****************************************************************************/
1284 static void Direct3DVoutReleaseScene( vout_thread_t *p_vout )
1285 {
1286     LPDIRECT3DTEXTURE9      p_d3dtex = p_vout->p_sys->p_d3dtex;
1287     LPDIRECT3DVERTEXBUFFER9 p_d3dvtc = p_vout->p_sys->p_d3dvtc;
1288
1289     if( p_d3dvtc )
1290     {
1291         IDirect3DVertexBuffer9_Release(p_d3dvtc);
1292         p_vout->p_sys->p_d3dvtc = NULL;
1293     }
1294
1295     if( p_d3dtex )
1296     {
1297         IDirect3DTexture9_Release(p_d3dtex);
1298         p_vout->p_sys->p_d3dtex = NULL;
1299     }
1300     msg_Dbg( p_vout, "Direct3D scene released successfully");
1301 }
1302
1303 /*****************************************************************************
1304  * Render: copy picture surface into a texture and render into a scene
1305  *****************************************************************************
1306  * This function is intented for higher end 3D cards, with pixel shader support
1307  * and at least 64 MB of video RAM.
1308  *****************************************************************************/
1309 static void Direct3DVoutRenderScene( vout_thread_t *p_vout, picture_t *p_pic )
1310 {
1311     LPDIRECT3DDEVICE9       p_d3ddev  = p_vout->p_sys->p_d3ddev;
1312     LPDIRECT3DTEXTURE9      p_d3dtex;
1313     LPDIRECT3DVERTEXBUFFER9 p_d3dvtc;
1314     LPDIRECT3DSURFACE9      p_d3dsrc, p_d3ddest;
1315     CUSTOMVERTEX            *p_vertices;
1316     HRESULT hr;
1317     float f_width, f_height;
1318
1319     // check if device is still available
1320     hr = IDirect3DDevice9_TestCooperativeLevel(p_d3ddev);
1321     if( FAILED(hr) )
1322     {
1323         if( (D3DERR_DEVICENOTRESET != hr)
1324          || (VLC_SUCCESS != Direct3DVoutResetDevice(p_vout)) )
1325         {
1326             // device is not usable at present (lost device, out of video mem ?)
1327             return;
1328         }
1329     }
1330     p_d3dtex  = p_vout->p_sys->p_d3dtex;
1331     p_d3dvtc  = p_vout->p_sys->p_d3dvtc;
1332
1333     /* Clear the backbuffer and the zbuffer */
1334     hr = IDirect3DDevice9_Clear( p_d3ddev, 0, NULL, D3DCLEAR_TARGET,
1335                               D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0 );
1336     if( FAILED(hr) )
1337     {
1338         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1339         return;
1340     }
1341
1342     /*  retrieve picture surface */
1343     p_d3dsrc = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1344     if( NULL == p_d3dsrc )
1345     {
1346         msg_Dbg( p_vout, "no surface to render ?");
1347         return;
1348     }
1349
1350     /* retrieve texture top-level surface */
1351     hr = IDirect3DTexture9_GetSurfaceLevel(p_d3dtex, 0, &p_d3ddest);
1352     if( FAILED(hr) )
1353     {
1354         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1355         return;
1356     }
1357
1358     /* Copy picture surface into texture surface, color space conversion happens here */
1359     hr = IDirect3DDevice9_StretchRect(p_d3ddev, p_d3dsrc, NULL, p_d3ddest, NULL, D3DTEXF_NONE);
1360     IDirect3DSurface9_Release(p_d3ddest);
1361     if( FAILED(hr) )
1362     {
1363         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1364         return;
1365     }
1366
1367     /* Update the vertex buffer */
1368     hr = IDirect3DVertexBuffer9_Lock(p_d3dvtc, 0, 0, (VOID **)(&p_vertices), D3DLOCK_DISCARD);
1369     if( FAILED(hr) )
1370     {
1371         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1372         return;
1373     }
1374
1375     /* Setup vertices */
1376     f_width  = (float)(p_vout->output.i_width);
1377     f_height = (float)(p_vout->output.i_height);
1378
1379     p_vertices[0].x       = 0.0f;       // left
1380     p_vertices[0].y       = 0.0f;       // top
1381     p_vertices[0].z       = 0.0f;
1382     p_vertices[0].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1383     p_vertices[0].rhw     = 1.0f;
1384     p_vertices[0].tu      = 0.0f;
1385     p_vertices[0].tv      = 0.0f;
1386
1387     p_vertices[1].x       = f_width;    // right
1388     p_vertices[1].y       = 0.0f;       // top
1389     p_vertices[1].z       = 0.0f;
1390     p_vertices[1].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1391     p_vertices[1].rhw     = 1.0f;
1392     p_vertices[1].tu      = 1.0f;
1393     p_vertices[1].tv      = 0.0f;
1394
1395     p_vertices[2].x       = f_width;    // right
1396     p_vertices[2].y       = f_height;   // bottom
1397     p_vertices[2].z       = 0.0f;
1398     p_vertices[2].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1399     p_vertices[2].rhw     = 1.0f;
1400     p_vertices[2].tu      = 1.0f;
1401     p_vertices[2].tv      = 1.0f;
1402
1403     p_vertices[3].x       = 0.0f;       // left
1404     p_vertices[3].y       = f_height;   // bottom
1405     p_vertices[3].z       = 0.0f;
1406     p_vertices[3].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1407     p_vertices[3].rhw     = 1.0f;
1408     p_vertices[3].tu      = 0.0f;
1409     p_vertices[3].tv      = 1.0f;
1410
1411     hr= IDirect3DVertexBuffer9_Unlock(p_d3dvtc);
1412     if( FAILED(hr) )
1413     {
1414         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1415         return;
1416     }
1417
1418     // Begin the scene
1419     hr = IDirect3DDevice9_BeginScene(p_d3ddev);
1420     if( FAILED(hr) )
1421     {
1422         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1423         return;
1424     }
1425
1426     // Setup our texture. Using textures introduces the texture stage states,
1427     // which govern how textures get blended together (in the case of multiple
1428     // textures) and lighting information. In this case, we are modulating
1429     // (blending) our texture with the diffuse color of the vertices.
1430     hr = IDirect3DDevice9_SetTexture(p_d3ddev, 0, (LPDIRECT3DBASETEXTURE9)p_d3dtex);
1431     if( FAILED(hr) )
1432     {
1433         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1434         IDirect3DDevice9_EndScene(p_d3ddev);
1435         return;
1436     }
1437
1438     // Render the vertex buffer contents
1439     hr = IDirect3DDevice9_SetStreamSource(p_d3ddev, 0, p_d3dvtc, 0, sizeof(CUSTOMVERTEX));
1440     if( FAILED(hr) )
1441     {
1442         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1443         IDirect3DDevice9_EndScene(p_d3ddev);
1444         return;
1445     }
1446
1447     // we use FVF instead of vertex shader
1448     hr = IDirect3DDevice9_SetVertexShader(p_d3ddev, NULL);
1449     if( FAILED(hr) )
1450     {
1451         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1452         IDirect3DDevice9_EndScene(p_d3ddev);
1453         return;
1454     }
1455
1456     hr = IDirect3DDevice9_SetFVF(p_d3ddev, D3DFVF_CUSTOMVERTEX);
1457     if( FAILED(hr) )
1458     {
1459         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1460         IDirect3DDevice9_EndScene(p_d3ddev);
1461         return;
1462     }
1463
1464     // draw rectangle
1465     hr = IDirect3DDevice9_DrawPrimitive(p_d3ddev, D3DPT_TRIANGLEFAN, 0, 2);
1466     if( FAILED(hr) )
1467     {
1468         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1469         IDirect3DDevice9_EndScene(p_d3ddev);
1470         return;
1471     }
1472
1473     // End the scene
1474     hr = IDirect3DDevice9_EndScene(p_d3ddev);
1475     if( FAILED(hr) )
1476     {
1477         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1478         return;
1479     }
1480 }
1481