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) 2006-2009 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
  38 #ifdef HAVE_CONFIG_H
  39 # include "config.h"
  40 #endif
  41
  42 #include <vlc_common.h>
  43 #include <vlc_plugin.h>
  44 #include <vlc_interface.h>
  45 #include <vlc_playlist.h>
  46 #include <vlc_vout.h>
  47
  48 #include <windows.h>
  49 #include <d3d9.h>
  50
  51 #include "vout.h"
  52
  53 /*****************************************************************************
  54  * Local prototypes.
  55  *****************************************************************************/
  56 static int  OpenVideo  ( vlc_object_t * );
  57 static void CloseVideo ( vlc_object_t * );
  58
  59 static int  Init      ( vout_thread_t * );
  60 static void End       ( vout_thread_t * );
  61 static int  Manage    ( vout_thread_t * );
  62 static void Display   ( vout_thread_t *, picture_t * );
  63 static void FirstDisplay( vout_thread_t *, picture_t * );
  64
  65 static int Direct3DVoutCreate     ( vout_thread_t * );
  66 static void Direct3DVoutRelease   ( vout_thread_t * );
  67
  68 static int  Direct3DVoutOpen      ( vout_thread_t * );
  69 static void Direct3DVoutClose     ( vout_thread_t * );
  70
  71 static int Direct3DVoutResetDevice( vout_thread_t * );
  72
  73 static int Direct3DVoutCreatePictures   ( vout_thread_t *, size_t );
  74 static void Direct3DVoutReleasePictures ( vout_thread_t * );
  75
  76 static int Direct3DVoutLockSurface  ( vout_thread_t *, picture_t * );
  77 static int Direct3DVoutUnlockSurface( vout_thread_t *, picture_t * );
  78
  79 static int Direct3DVoutCreateScene      ( vout_thread_t * );
  80 static void Direct3DVoutReleaseScene    ( vout_thread_t * );
  81 static void Direct3DVoutRenderScene     ( vout_thread_t *, picture_t * );
  82
  83 /*****************************************************************************
  84  * Module descriptor
  85  *****************************************************************************/
  86
  87 static bool IsVistaOrAbove(void)
  88 {
  89     OSVERSIONINFO winVer;
  90     winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
  91
  92     if( GetVersionEx(&winVer) )
  93     {
  94         if( winVer.dwMajorVersion > 5 )
  95         {
  96             /* Windows Vista or above, make this module the default */
  97             return true;
  98         }
  99     }
 100     /* Windows XP or lower, make sure this module isn't the default */
 101     return false;
 102 }
 103
 104 static int OpenVideoXP( vlc_object_t *obj )
 105 {
 106     return IsVistaOrAbove() ? VLC_EGENERIC : OpenVideo( obj );
 107 }
 108
 109 static int OpenVideoVista( vlc_object_t *obj )
 110 {
 111     return IsVistaOrAbove() ? OpenVideo( obj ) : VLC_EGENERIC;
 112 }
 113
 114 vlc_module_begin ()
 115     set_shortname( "Direct3D" )
 116     set_category( CAT_VIDEO )
 117     set_subcategory( SUBCAT_VIDEO_VOUT )
 118     set_description( N_("DirectX 3D video output") )
 119     set_capability( "video output", 50 )
 120     add_shortcut( "direct3d" )
 121     set_callbacks( OpenVideoXP, CloseVideo )
 122
 123     /* FIXME: Hack to avoid unregistering our window class */
 124     linked_with_a_crap_library_which_uses_atexit ()
 125
 126     add_submodule()
 127         set_capability( "video output", 150 )
 128         add_shortcut( "direct3d" )
 129         set_callbacks( OpenVideoVista, CloseVideo )
 130 vlc_module_end ()
 131
 132 #if 0 /* FIXME */
 133     /* check if we registered a window class because we need to
 134      * unregister it */
 135     WNDCLASS wndclass;
 136     if( GetClassInfo( GetModuleHandle(NULL), "VLC DirectX", &wndclass ) )
 137         UnregisterClass( "VLC DirectX", GetModuleHandle(NULL) );
 138 #endif
 139
 140 /*****************************************************************************
 141  * CUSTOMVERTEX:
 142  *****************************************************************************
 143  *****************************************************************************/
 144 typedef struct
 145 {
 146     FLOAT       x,y,z;      // vertex untransformed position
 147     FLOAT       rhw;        // eye distance
 148     D3DCOLOR    diffuse;    // diffuse color
 149     FLOAT       tu, tv;     // texture relative coordinates
 150 } CUSTOMVERTEX;
 151
 152 #define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZRHW|D3DFVF_DIFFUSE|D3DFVF_TEX1)
 153
 154 /*****************************************************************************
 155  * OpenVideo: allocate Vout video thread output method
 156  *****************************************************************************
 157  * This function allocates and initialize the Direct3D vout method.
 158  *****************************************************************************/
 159 static int OpenVideo( vlc_object_t *p_this )
 160 {
 161     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 162
 163     /* Allocate structure */
 164     p_vout->p_sys = calloc( 1, sizeof( vout_sys_t ) );
 165     if( p_vout->p_sys == NULL )
 166         return VLC_ENOMEM;
 167
 168     if( VLC_SUCCESS != Direct3DVoutCreate( p_vout ) )
 169     {
 170         msg_Err( p_vout, "Direct3D could not be initialized !");
 171         Direct3DVoutRelease( p_vout );
 172         free( p_vout->p_sys );
 173         return VLC_EGENERIC;
 174     }
 175
 176     /* Initialisations */
 177     p_vout->pf_init = Init;
 178     p_vout->pf_end = End;
 179     p_vout->pf_manage = Manage;
 180     p_vout->pf_render = Direct3DVoutRenderScene;
 181     p_vout->pf_display = FirstDisplay;
 182
 183     p_vout->p_sys->hwnd = p_vout->p_sys->hvideownd = NULL;
 184     p_vout->p_sys->hparent = p_vout->p_sys->hfswnd = NULL;
 185     p_vout->p_sys->i_changes = 0;
 186     vlc_mutex_init( &p_vout->p_sys->lock );
 187     SetRectEmpty( &p_vout->p_sys->rect_display );
 188     SetRectEmpty( &p_vout->p_sys->rect_parent );
 189
 190     var_Create( p_vout, "directx-hw-yuv", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 191     var_Create( p_vout, "directx-device", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 192
 193     p_vout->p_sys->b_cursor_hidden = 0;
 194     p_vout->p_sys->i_lastmoved = mdate();
 195     p_vout->p_sys->i_mouse_hide_timeout =
 196         var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
 197
 198     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 199     var_Create( p_vout, "disable-screensaver", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 200
 201     /* Set main window's size */
 202     p_vout->p_sys->i_window_width = p_vout->i_window_width;
 203     p_vout->p_sys->i_window_height = p_vout->i_window_height;
 204
 205     /* Create the Vout EventThread, this thread is created by us to isolate
 206      * the Win32 PeekMessage function calls. We want to do this because
 207      * Windows can stay blocked inside this call for a long time, and when
 208      * this happens it thus blocks vlc's video_output thread.
 209      * Vout EventThread will take care of the creation of the video
 210      * window (because PeekMessage has to be called from the same thread which
 211      * created the window). */
 212     msg_Dbg( p_vout, "creating Vout EventThread" );
 213     p_vout->p_sys->p_event =
 214         vlc_object_create( p_vout, sizeof(event_thread_t) );
 215     p_vout->p_sys->p_event->p_vout = p_vout;
 216     p_vout->p_sys->p_event->window_ready = CreateEvent( NULL, TRUE, FALSE, NULL );
 217     if( vlc_thread_create( p_vout->p_sys->p_event, "Vout Events Thread",
 218                            EventThread, 0 ) )
 219     {
 220         msg_Err( p_vout, "cannot create Vout EventThread" );
 221         CloseHandle( p_vout->p_sys->p_event->window_ready );
 222         vlc_object_release( p_vout->p_sys->p_event );
 223         p_vout->p_sys->p_event = NULL;
 224         goto error;
 225     }
 226     WaitForSingleObject( p_vout->p_sys->p_event->window_ready, INFINITE );
 227     CloseHandle( p_vout->p_sys->p_event->window_ready );
 228
 229     if( p_vout->p_sys->p_event->b_error )
 230     {
 231         msg_Err( p_vout, "Vout EventThread failed" );
 232         goto error;
 233     }
 234
 235     vlc_object_attach( p_vout->p_sys->p_event, p_vout );
 236
 237     msg_Dbg( p_vout, "Vout EventThread running" );
 238
 239     /* Variable to indicate if the window should be on top of others */
 240     /* Trigger a callback right now */
 241     var_TriggerCallback( p_vout, "video-on-top" );
 242
 243     /* disable screensaver by temporarily changing system settings */
 244     p_vout->p_sys->i_spi_lowpowertimeout = 0;
 245     p_vout->p_sys->i_spi_powerofftimeout = 0;
 246     p_vout->p_sys->i_spi_screensavetimeout = 0;
 247     if( var_GetBool( p_vout, "disable-screensaver" ) ) {
 248         msg_Dbg(p_vout, "disabling screen saver");
 249         SystemParametersInfo(SPI_GETLOWPOWERTIMEOUT,
 250             0, &(p_vout->p_sys->i_spi_lowpowertimeout), 0);
 251         if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 252             SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT, 0, NULL, 0);
 253         }
 254         SystemParametersInfo(SPI_GETPOWEROFFTIMEOUT, 0,
 255             &(p_vout->p_sys->i_spi_powerofftimeout), 0);
 256         if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 257             SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT, 0, NULL, 0);
 258         }
 259         SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0,
 260             &(p_vout->p_sys->i_spi_screensavetimeout), 0);
 261         if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 262             SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, 0, NULL, 0);
 263         }
 264     }
 265     return VLC_SUCCESS;
 266
 267 error:
 268     CloseVideo( VLC_OBJECT(p_vout) );
 269     return VLC_EGENERIC;
 270 }
 271
 272 /*****************************************************************************
 273  * CloseVideo: destroy Sys video thread output method
 274  *****************************************************************************
 275  * Terminate an output method created by Create
 276  *****************************************************************************/
 277 static void CloseVideo( vlc_object_t *p_this )
 278 {
 279     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 280
 281     Direct3DVoutRelease( p_vout );
 282
 283     if( p_vout->b_fullscreen )
 284     {
 285         msg_Dbg( p_vout, "Quitting fullscreen" );
 286         Win32ToggleFullscreen( p_vout );
 287         /* Force fullscreen in the core for the next video */
 288         var_SetBool( p_vout, "fullscreen", true );
 289     }
 290
 291     if( p_vout->p_sys->p_event )
 292     {
 293         vlc_object_detach( p_vout->p_sys->p_event );
 294
 295         /* Kill Vout EventThread */
 296         vlc_object_kill( p_vout->p_sys->p_event );
 297
 298         /* we need to be sure Vout EventThread won't stay stuck in
 299          * GetMessage, so we send a fake message */
 300         if( p_vout->p_sys->hwnd )
 301         {
 302             PostMessage( p_vout->p_sys->hwnd, WM_NULL, 0, 0);
 303         }
 304
 305         vlc_thread_join( p_vout->p_sys->p_event );
 306         vlc_object_release( p_vout->p_sys->p_event );
 307     }
 308
 309     vlc_mutex_destroy( &p_vout->p_sys->lock );
 310
 311     /* restore screensaver system settings */
 312     if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 313         SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT,
 314             p_vout->p_sys->i_spi_lowpowertimeout, NULL, 0);
 315     }
 316     if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 317         SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT,
 318             p_vout->p_sys->i_spi_powerofftimeout, NULL, 0);
 319     }
 320     if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 321         SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT,
 322             p_vout->p_sys->i_spi_screensavetimeout, NULL, 0);
 323     }
 324
 325     free( p_vout->p_sys );
 326     p_vout->p_sys = NULL;
 327 }
 328
 329 /*****************************************************************************
 330  * Init: initialize Direct3D video thread output method
 331  *****************************************************************************/
 332 static int Init( vout_thread_t *p_vout )
 333 {
 334     int i_ret;
 335
 336     p_vout->p_sys->b_hw_yuv = var_GetBool( p_vout, "directx-hw-yuv" );
 337
 338     /* Initialise Direct3D */
 339     if( VLC_SUCCESS != Direct3DVoutOpen( p_vout ) )
 340     {
 341         msg_Err( p_vout, "cannot initialize Direct3D" );
 342         return VLC_EGENERIC;
 343     }
 344
 345     /* Initialize the output structure.
 346      * Since Direct3D can do rescaling for us, stick to the default
 347      * coordinates and aspect. */
 348     p_vout->output.i_width  = p_vout->render.i_width;
 349     p_vout->output.i_height = p_vout->render.i_height;
 350     p_vout->output.i_aspect = p_vout->render.i_aspect;
 351     p_vout->fmt_out = p_vout->fmt_in;
 352     UpdateRects( p_vout, true );
 353
 354     /*  create picture pool */
 355     p_vout->output.i_chroma = 0;
 356     i_ret = Direct3DVoutCreatePictures(p_vout, 1);
 357     if( VLC_SUCCESS != i_ret )
 358     {
 359         msg_Err(p_vout, "Direct3D picture pool initialization failed !");
 360         return i_ret;
 361     }
 362
 363     /* create scene */
 364     i_ret = Direct3DVoutCreateScene(p_vout);
 365     if( VLC_SUCCESS != i_ret )
 366     {
 367         msg_Err(p_vout, "Direct3D scene initialization failed !");
 368         Direct3DVoutReleasePictures(p_vout);
 369         return i_ret;
 370     }
 371
 372     /* Change the window title bar text */
 373     PostMessage( p_vout->p_sys->hwnd, WM_VLC_CHANGE_TEXT, 0, 0 );
 374
 375     p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
 376     return VLC_SUCCESS;
 377 }
 378
 379 /*****************************************************************************
 380  * End: terminate Sys video thread output method
 381  *****************************************************************************
 382  * Terminate an output method created by Create.
 383  * It is called at the end of the thread.
 384  *****************************************************************************/
 385 static void End( vout_thread_t *p_vout )
 386 {
 387     Direct3DVoutReleaseScene(p_vout);
 388     Direct3DVoutReleasePictures(p_vout);
 389     Direct3DVoutClose( p_vout );
 390 }
 391
 392 /*****************************************************************************
 393  * Manage: handle Sys events
 394  *****************************************************************************
 395  * This function should be called regularly by the video output thread.
 396  * It returns a non null value if an error occurred.
 397  *****************************************************************************/
 398 static int Manage( vout_thread_t *p_vout )
 399 {
 400     /* If we do not control our window, we check for geometry changes
 401      * ourselves because the parent might not send us its events. */
 402     vlc_mutex_lock( &p_vout->p_sys->lock );
 403     if( p_vout->p_sys->hparent && !p_vout->b_fullscreen )
 404     {
 405         RECT rect_parent;
 406         POINT point;
 407
 408         vlc_mutex_unlock( &p_vout->p_sys->lock );
 409
 410         GetClientRect( p_vout->p_sys->hparent, &rect_parent );
 411         point.x = point.y = 0;
 412         ClientToScreen( p_vout->p_sys->hparent, &point );
 413         OffsetRect( &rect_parent, point.x, point.y );
 414
 415         if( !EqualRect( &rect_parent, &p_vout->p_sys->rect_parent ) )
 416         {
 417             p_vout->p_sys->rect_parent = rect_parent;
 418
 419             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 420                           rect_parent.right - rect_parent.left,
 421                           rect_parent.bottom - rect_parent.top,
 422                           SWP_NOZORDER );
 423         }
 424     }
 425     else
 426     {
 427         vlc_mutex_unlock( &p_vout->p_sys->lock );
 428     }
 429
 430     /*
 431      * Position Change
 432      */
 433     if( p_vout->p_sys->i_changes & DX_POSITION_CHANGE )
 434     {
 435 #if 0 /* need that when bicubic filter is available */
 436         RECT rect;
 437         UINT width, height;
 438
 439         GetClientRect(p_vout->p_sys->hvideownd, &rect);
 440         width  = rect.right-rect.left;
 441         height = rect.bottom-rect.top;
 442
 443         if( (width != p_vout->p_sys->d3dpp.BackBufferWidth)
 444          || (height != p_vout->p_sys->d3dpp.BackBufferHeight) )
 445         {
 446             msg_Dbg(p_vout, "resizing device back buffers to (%lux%lu)", width, height);
 447             // need to reset D3D device to resize back buffer
 448             if( VLC_SUCCESS != Direct3DVoutResetDevice(p_vout, width, height) )
 449                 return VLC_EGENERIC;
 450         }
 451 #endif
 452         p_vout->p_sys->i_changes &= ~DX_POSITION_CHANGE;
 453     }
 454
 455     /* autoscale toggle */
 456     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
 457     {
 458         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
 459
 460         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
 461         p_vout->i_zoom = (int) ZOOM_FP_FACTOR;
 462
 463         UpdateRects( p_vout, true );
 464     }
 465
 466     /* scaling factor */
 467     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
 468     {
 469         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
 470
 471         p_vout->b_autoscale = false;
 472         p_vout->i_zoom =
 473             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
 474         UpdateRects( p_vout, true );
 475     }
 476
 477     /* Check for cropping / aspect changes */
 478     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 479         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 480     {
 481         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 482         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 483
 484         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 485         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 486         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 487         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 488         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 489         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 490         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 491         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 492         UpdateRects( p_vout, true );
 493     }
 494
 495     /* We used to call the Win32 PeekMessage function here to read the window
 496      * messages. But since window can stay blocked into this function for a
 497      * long time (for example when you move your window on the screen), I
 498      * decided to isolate PeekMessage in another thread. */
 499
 500     /*
 501      * Fullscreen change
 502      */
 503     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE
 504         || p_vout->p_sys->i_changes & VOUT_FULLSCREEN_CHANGE )
 505     {
 506         Win32ToggleFullscreen( p_vout );
 507
 508         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 509         p_vout->p_sys->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 510     }
 511
 512     /*
 513      * Pointer change
 514      */
 515     if( p_vout->b_fullscreen && !p_vout->p_sys->b_cursor_hidden &&
 516         (mdate() - p_vout->p_sys->i_lastmoved) >
 517             p_vout->p_sys->i_mouse_hide_timeout )
 518     {
 519         POINT point;
 520         HWND hwnd;
 521
 522         /* Hide the cursor only if it is inside our window */
 523         GetCursorPos( &point );
 524         hwnd = WindowFromPoint(point);
 525         if( hwnd == p_vout->p_sys->hwnd || hwnd == p_vout->p_sys->hvideownd )
 526         {
 527             PostMessage( p_vout->p_sys->hwnd, WM_VLC_HIDE_MOUSE, 0, 0 );
 528         }
 529         else
 530         {
 531             p_vout->p_sys->i_lastmoved = mdate();
 532         }
 533     }
 534
 535     /*
 536      * "Always on top" status change
 537      */
 538     if( p_vout->p_sys->b_on_top_change )
 539     {
 540         vlc_value_t val;
 541         HMENU hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 542
 543         var_Get( p_vout, "video-on-top", &val );
 544
 545         /* Set the window on top if necessary */
 546         if( val.b_bool && !( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 547                            & WS_EX_TOPMOST ) )
 548         {
 549             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 550                            MF_BYCOMMAND | MFS_CHECKED );
 551             SetWindowPos( p_vout->p_sys->hwnd, HWND_TOPMOST, 0, 0, 0, 0,
 552                           SWP_NOSIZE | SWP_NOMOVE );
 553         }
 554         else
 555         /* The window shouldn't be on top */
 556         if( !val.b_bool && ( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 557                            & WS_EX_TOPMOST ) )
 558         {
 559             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 560                            MF_BYCOMMAND | MFS_UNCHECKED );
 561             SetWindowPos( p_vout->p_sys->hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
 562                           SWP_NOSIZE | SWP_NOMOVE );
 563         }
 564
 565         p_vout->p_sys->b_on_top_change = false;
 566     }
 567
 568     /* Check if the event thread is still running */
 569     if( !vlc_object_alive (p_vout->p_sys->p_event) )
 570     {
 571         return VLC_EGENERIC; /* exit */
 572     }
 573
 574     return VLC_SUCCESS;
 575 }
 576
 577 /*****************************************************************************
 578  * Display: displays previously rendered output
 579  *****************************************************************************
 580  * This function sends the currently rendered image to the display, wait until
 581  * it is displayed and switch the two rendering buffers, preparing next frame.
 582  *****************************************************************************/
 583 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
 584 {
 585     LPDIRECT3DDEVICE9       p_d3ddev = p_vout->p_sys->p_d3ddev;
 586     // Present the back buffer contents to the display
 587     // stretching and filtering happens here
 588     HRESULT hr = IDirect3DDevice9_Present(p_d3ddev,
 589                     &(p_vout->p_sys->rect_src_clipped),
 590                     NULL, NULL, NULL);
 591     if( FAILED(hr) )
 592         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
 593 }
 594
 595 /*
 596 ** this function is only used once when the first picture is received
 597 ** this function will show the video window once a picture is ready
 598 */
 599
 600 static void FirstDisplay( vout_thread_t *p_vout, picture_t *p_pic )
 601 {
 602     /* get initial picture presented through D3D */
 603     Display(p_vout, p_pic);
 604
 605     /*
 606     ** Video window is initially hidden, show it now since we got a
 607     ** picture to show.
 608     */
 609     SetWindowPos( p_vout->p_sys->hvideownd, 0, 0, 0, 0, 0,
 610         SWP_ASYNCWINDOWPOS|
 611         SWP_FRAMECHANGED|
 612         SWP_SHOWWINDOW|
 613         SWP_NOMOVE|
 614         SWP_NOSIZE|
 615         SWP_NOZORDER );
 616
 617     /* use and restores proper display function for further pictures */
 618     p_vout->pf_display = Display;
 619 }
 620
 621 /*****************************************************************************
 622  * DirectD3DVoutCreate: Initialize and instance of Direct3D9
 623  *****************************************************************************
 624  * This function initialize Direct3D and analyze available resources from
 625  * default adapter.
 626  *****************************************************************************/
 627 static int Direct3DVoutCreate( vout_thread_t *p_vout )
 628 {
 629     HRESULT hr;
 630     LPDIRECT3D9 p_d3dobj;
 631     D3DCAPS9 d3dCaps;
 632
 633     LPDIRECT3D9 (WINAPI *OurDirect3DCreate9)(UINT SDKVersion);
 634
 635     p_vout->p_sys->hd3d9_dll = LoadLibrary(TEXT("D3D9.DLL"));
 636     if( NULL == p_vout->p_sys->hd3d9_dll )
 637     {
 638         msg_Warn( p_vout, "cannot load d3d9.dll, aborting" );
 639         return VLC_EGENERIC;
 640     }
 641
 642     OurDirect3DCreate9 =
 643       (void *)GetProcAddress( p_vout->p_sys->hd3d9_dll,
 644                               TEXT("Direct3DCreate9") );
 645     if( OurDirect3DCreate9 == NULL )
 646     {
 647         msg_Err( p_vout, "Cannot locate reference to Direct3DCreate9 ABI in DLL" );
 648         return VLC_EGENERIC;
 649     }
 650
 651     /* Create the D3D object. */
 652     p_d3dobj = OurDirect3DCreate9( D3D_SDK_VERSION );
 653     if( NULL == p_d3dobj )
 654     {
 655        msg_Err( p_vout, "Could not create Direct3D9 instance.");
 656        return VLC_EGENERIC;
 657     }
 658     p_vout->p_sys->p_d3dobj = p_d3dobj;
 659
 660     /*
 661     ** Get device capabilities
 662     */
 663     ZeroMemory(&d3dCaps, sizeof(d3dCaps));
 664     hr = IDirect3D9_GetDeviceCaps(p_d3dobj, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &d3dCaps);
 665     if( FAILED(hr) )
 666     {
 667        msg_Err( p_vout, "Could not read adapter capabilities. (hr=0x%lX)", hr);
 668        return VLC_EGENERIC;
 669     }
 670     /* TODO: need to test device capabilities and select the right render function */
 671
 672     return VLC_SUCCESS;
 673 }
 674
 675 /*****************************************************************************
 676  * DirectD3DVoutRelease: release an instance of Direct3D9
 677  *****************************************************************************/
 678
 679 static void Direct3DVoutRelease( vout_thread_t *p_vout )
 680 {
 681     if( p_vout->p_sys->p_d3dobj )
 682     {
 683        IDirect3D9_Release(p_vout->p_sys->p_d3dobj);
 684        p_vout->p_sys->p_d3dobj = NULL;
 685     }
 686     if( NULL != p_vout->p_sys->hd3d9_dll )
 687     {
 688         FreeLibrary(p_vout->p_sys->hd3d9_dll);
 689         p_vout->p_sys->hd3d9_dll = NULL;
 690     }
 691 }
 692
 693 static int Direct3DFillPresentationParameters(vout_thread_t *p_vout, D3DPRESENT_PARAMETERS *d3dpp)
 694 {
 695     LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 696     D3DDISPLAYMODE d3ddm;
 697     HRESULT hr;
 698
 699     /*
 700     ** Get the current desktop display mode, so we can set up a back
 701     ** buffer of the same format
 702     */
 703     hr = IDirect3D9_GetAdapterDisplayMode(p_d3dobj, D3DADAPTER_DEFAULT, &d3ddm );
 704     if( FAILED(hr))
 705     {
 706        msg_Err( p_vout, "Could not read adapter display mode. (hr=0x%lX)", hr);
 707        return VLC_EGENERIC;
 708     }
 709
 710     /* keep a copy of current desktop format */
 711     p_vout->p_sys->bbFormat = d3ddm.Format;
 712
 713     /* Set up the structure used to create the D3DDevice. */
 714     ZeroMemory( d3dpp, sizeof(D3DPRESENT_PARAMETERS) );
 715     d3dpp->Flags                  = D3DPRESENTFLAG_VIDEO;
 716     d3dpp->Windowed               = TRUE;
 717     d3dpp->hDeviceWindow          = p_vout->p_sys->hvideownd;
 718     d3dpp->BackBufferWidth        = p_vout->output.i_width;
 719     d3dpp->BackBufferHeight       = p_vout->output.i_height;
 720     d3dpp->SwapEffect             = D3DSWAPEFFECT_COPY;
 721     d3dpp->MultiSampleType        = D3DMULTISAMPLE_NONE;
 722     d3dpp->PresentationInterval   = D3DPRESENT_INTERVAL_DEFAULT;
 723     d3dpp->BackBufferFormat       = d3ddm.Format;
 724     d3dpp->BackBufferCount        = 1;
 725     d3dpp->EnableAutoDepthStencil = FALSE;
 726
 727     return VLC_SUCCESS;
 728 }
 729
 730 /*****************************************************************************
 731  * DirectD3DVoutOpen: Takes care of all the Direct3D9 initialisations
 732  *****************************************************************************
 733  * This function creates Direct3D device
 734  * this must be called from the vout thread for performance reason, as
 735  * all Direct3D Device APIs are used in a non multithread safe environment
 736  *****************************************************************************/
 737 static int Direct3DVoutOpen( vout_thread_t *p_vout )
 738 {
 739     LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 740     LPDIRECT3DDEVICE9 p_d3ddev;
 741     D3DPRESENT_PARAMETERS d3dpp;
 742     HRESULT hr;
 743
 744     if( VLC_SUCCESS != Direct3DFillPresentationParameters(p_vout, &d3dpp) )
 745         return VLC_EGENERIC;
 746
 747     // Create the D3DDevice
 748     hr = IDirect3D9_CreateDevice(p_d3dobj, D3DADAPTER_DEFAULT,
 749                                  D3DDEVTYPE_HAL, p_vout->p_sys->hvideownd,
 750                                  D3DCREATE_SOFTWARE_VERTEXPROCESSING|
 751                                  D3DCREATE_MULTITHREADED,
 752                                  &d3dpp, &p_d3ddev );
 753     if( FAILED(hr) )
 754     {
 755        msg_Err(p_vout, "Could not create the D3D device! (hr=0x%lX)", hr);
 756        return VLC_EGENERIC;
 757     }
 758     p_vout->p_sys->p_d3ddev = p_d3ddev;
 759
 760     msg_Dbg( p_vout, "Direct3D device adapter successfully initialized" );
 761     return VLC_SUCCESS;
 762 }
 763
 764 /*****************************************************************************
 765  * DirectD3DClose: release the Direct3D9 device
 766  *****************************************************************************/
 767 static void Direct3DVoutClose( vout_thread_t *p_vout )
 768 {
 769     if( p_vout->p_sys->p_d3ddev )
 770     {
 771        IDirect3DDevice9_Release(p_vout->p_sys->p_d3ddev);
 772        p_vout->p_sys->p_d3ddev = NULL;
 773     }
 774
 775     p_vout->p_sys->hmonitor = NULL;
 776 }
 777
 778 /*****************************************************************************
 779  * DirectD3DClose: reset the Direct3D9 device
 780  *****************************************************************************
 781  * All resources must be deallocated before the reset occur, they will be
 782  * realllocated once the reset has been performed successfully
 783  *****************************************************************************/
 784 static int Direct3DVoutResetDevice( vout_thread_t *p_vout )
 785 {
 786     LPDIRECT3DDEVICE9       p_d3ddev = p_vout->p_sys->p_d3ddev;
 787     D3DPRESENT_PARAMETERS   d3dpp;
 788     HRESULT hr;
 789
 790     if( VLC_SUCCESS != Direct3DFillPresentationParameters(p_vout, &d3dpp) )
 791         return VLC_EGENERIC;
 792
 793     // release all D3D objects
 794     Direct3DVoutReleaseScene( p_vout );
 795     Direct3DVoutReleasePictures( p_vout );
 796
 797     hr = IDirect3DDevice9_Reset(p_d3ddev, &d3dpp);
 798     if( SUCCEEDED(hr) )
 799     {
 800         // re-create them
 801         if( (VLC_SUCCESS != Direct3DVoutCreatePictures(p_vout, 1))
 802          || (VLC_SUCCESS != Direct3DVoutCreateScene(p_vout)) )
 803         {
 804             msg_Dbg(p_vout, "%s failed !", __FUNCTION__);
 805             return VLC_EGENERIC;
 806         }
 807     }
 808     else {
 809         msg_Err(p_vout, "%s failed ! (hr=%08lX)", __FUNCTION__, hr);
 810         return VLC_EGENERIC;
 811     }
 812     return VLC_SUCCESS;
 813 }
 814
 815 static D3DFORMAT Direct3DVoutSelectFormat( vout_thread_t *p_vout, D3DFORMAT target,
 816     const D3DFORMAT *formats, size_t count)
 817 {
 818     LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 819     size_t c;
 820
 821     for( c=0; c<count; ++c )
 822     {
 823         HRESULT hr;
 824         D3DFORMAT format = formats[c];
 825         /* test whether device can create a surface of that format */
 826         hr = IDirect3D9_CheckDeviceFormat(p_d3dobj, D3DADAPTER_DEFAULT,
 827                 D3DDEVTYPE_HAL, target, 0, D3DRTYPE_SURFACE, format);
 828         if( SUCCEEDED(hr) )
 829         {
 830             /* test whether device can perform color-conversion
 831             ** from that format to target format
 832             */
 833             hr = IDirect3D9_CheckDeviceFormatConversion(p_d3dobj,
 834                     D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
 835                     format, target);
 836         }
 837         if( SUCCEEDED(hr) )
 838         {
 839             // found a compatible format
 840             switch( format )
 841             {
 842                 case D3DFMT_UYVY:
 843                     msg_Dbg( p_vout, "selected surface pixel format is UYVY");
 844                     break;
 845                 case D3DFMT_YUY2:
 846                     msg_Dbg( p_vout, "selected surface pixel format is YUY2");
 847                     break;
 848                 case D3DFMT_X8R8G8B8:
 849                     msg_Dbg( p_vout, "selected surface pixel format is X8R8G8B8");
 850                     break;
 851                 case D3DFMT_A8R8G8B8:
 852                     msg_Dbg( p_vout, "selected surface pixel format is A8R8G8B8");
 853                     break;
 854                 case D3DFMT_R8G8B8:
 855                     msg_Dbg( p_vout, "selected surface pixel format is R8G8B8");
 856                     break;
 857                 case D3DFMT_R5G6B5:
 858                     msg_Dbg( p_vout, "selected surface pixel format is R5G6B5");
 859                     break;
 860                 case D3DFMT_X1R5G5B5:
 861                     msg_Dbg( p_vout, "selected surface pixel format is X1R5G5B5");
 862                     break;
 863                 default:
 864                     msg_Dbg( p_vout, "selected surface pixel format is 0x%0X", format);
 865                     break;
 866             }
 867             return format;
 868         }
 869         else if( D3DERR_NOTAVAILABLE != hr )
 870         {
 871             msg_Err( p_vout, "Could not query adapter supported formats. (hr=0x%lX)", hr);
 872             break;
 873         }
 874     }
 875     return D3DFMT_UNKNOWN;
 876 }
 877
 878 static D3DFORMAT Direct3DVoutFindFormat(vout_thread_t *p_vout, int i_chroma, D3DFORMAT target)
 879 {
 880     //if( p_vout->p_sys->b_hw_yuv && ! _got_vista_or_above )
 881     if( p_vout->p_sys->b_hw_yuv )
 882     {
 883     /* it sounds like vista does not support YUV surfaces at all */
 884         switch( i_chroma )
 885         {
 886             case VLC_CODEC_UYVY:
 887             {
 888                 static const D3DFORMAT formats[] =
 889                     { D3DFMT_UYVY, D3DFMT_YUY2, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 890                 return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 891             }
 892             case VLC_CODEC_I420:
 893             case VLC_CODEC_I422:
 894             case VLC_CODEC_YV12:
 895             {
 896                 /* typically 3D textures don't support planar format
 897                 ** fallback to packed version and use CPU for the conversion
 898                 */
 899                 static const D3DFORMAT formats[] =
 900                     { D3DFMT_YUY2, D3DFMT_UYVY, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 901                 return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 902             }
 903             case VLC_CODEC_YUYV:
 904             {
 905                 static const D3DFORMAT formats[] =
 906                     { D3DFMT_YUY2, D3DFMT_UYVY, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 907                 return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 908             }
 909         }
 910     }
 911
 912     switch( i_chroma )
 913     {
 914         case VLC_CODEC_RGB15:
 915         {
 916             static const D3DFORMAT formats[] =
 917                 { D3DFMT_X1R5G5B5 };
 918             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 919         }
 920         case VLC_CODEC_RGB16:
 921         {
 922             static const D3DFORMAT formats[] =
 923                 { D3DFMT_R5G6B5 };
 924             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 925         }
 926         case VLC_CODEC_RGB24:
 927         {
 928             static const D3DFORMAT formats[] =
 929                 { D3DFMT_R8G8B8, D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8 };
 930             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 931         }
 932         case VLC_CODEC_RGB32:
 933         {
 934             static const D3DFORMAT formats[] =
 935                 { D3DFMT_A8R8G8B8, D3DFMT_X8R8G8B8 };
 936             return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 937         }
 938         default:
 939         {
 940             /* use display default format */
 941             LPDIRECT3D9 p_d3dobj = p_vout->p_sys->p_d3dobj;
 942             D3DDISPLAYMODE d3ddm;
 943
 944             HRESULT hr = IDirect3D9_GetAdapterDisplayMode(p_d3dobj, D3DADAPTER_DEFAULT, &d3ddm );
 945             if( SUCCEEDED(hr))
 946             {
 947                 /*
 948                 ** some professional cards could use some advanced pixel format as default,
 949                 ** make sure we stick with chromas that we can handle internally
 950                 */
 951                 switch( d3ddm.Format )
 952                 {
 953                     case D3DFMT_R8G8B8:
 954                     case D3DFMT_X8R8G8B8:
 955                     case D3DFMT_A8R8G8B8:
 956                     case D3DFMT_R5G6B5:
 957                     case D3DFMT_X1R5G5B5:
 958                         msg_Dbg( p_vout, "defaulting to adapter pixel format");
 959                         return Direct3DVoutSelectFormat(p_vout, target, &d3ddm.Format, 1);
 960                     default:
 961                     {
 962                         /* if we fall here, that probably means that we need to render some YUV format */
 963                         static const D3DFORMAT formats[] =
 964                             { D3DFMT_X8R8G8B8, D3DFMT_A8R8G8B8, D3DFMT_R5G6B5, D3DFMT_X1R5G5B5 };
 965                         msg_Dbg( p_vout, "defaulting to built-in pixel format");
 966                         return Direct3DVoutSelectFormat(p_vout, target, formats, sizeof(formats)/sizeof(D3DFORMAT));
 967                     }
 968                 }
 969             }
 970         }
 971     }
 972     return D3DFMT_UNKNOWN;
 973 }
 974
 975 static int Direct3DVoutSetOutputFormat(vout_thread_t *p_vout, D3DFORMAT format)
 976 {
 977     switch( format )
 978     {
 979         case D3DFMT_YUY2:
 980             p_vout->output.i_chroma = VLC_CODEC_YUYV;
 981             break;
 982         case D3DFMT_UYVY:
 983             p_vout->output.i_chroma = VLC_CODEC_UYVY;
 984             break;
 985         case D3DFMT_R8G8B8:
 986             p_vout->output.i_chroma = VLC_CODEC_RGB24;
 987             p_vout->output.i_rmask = 0xff0000;
 988             p_vout->output.i_gmask = 0x00ff00;
 989             p_vout->output.i_bmask = 0x0000ff;
 990             break;
 991         case D3DFMT_X8R8G8B8:
 992         case D3DFMT_A8R8G8B8:
 993             p_vout->output.i_chroma = VLC_CODEC_RGB32;
 994             p_vout->output.i_rmask = 0x00ff0000;
 995             p_vout->output.i_gmask = 0x0000ff00;
 996             p_vout->output.i_bmask = 0x000000ff;
 997             break;
 998         case D3DFMT_R5G6B5:
 999             p_vout->output.i_chroma = VLC_CODEC_RGB16;
1000             p_vout->output.i_rmask = (0x1fL)<<11;
1001             p_vout->output.i_gmask = (0x3fL)<<5;
1002             p_vout->output.i_bmask = (0x1fL)<<0;
1003             break;
1004         case D3DFMT_X1R5G5B5:
1005             p_vout->output.i_chroma = VLC_CODEC_RGB15;
1006             p_vout->output.i_rmask = (0x1fL)<<10;
1007             p_vout->output.i_gmask = (0x1fL)<<5;
1008             p_vout->output.i_bmask = (0x1fL)<<0;
1009             break;
1010         default:
1011             return VLC_EGENERIC;
1012     }
1013     return VLC_SUCCESS;
1014 }
1015
1016 /*****************************************************************************
1017  * Direct3DVoutCreatePictures: allocate a vector of identical pictures
1018  *****************************************************************************
1019  * Each picture has an associated offscreen surface in video memory
1020  * depending on hardware capabilities the picture chroma will be as close
1021  * as possible to the orginal render chroma to reduce CPU conversion overhead
1022  * and delegate this work to video card GPU
1023  *****************************************************************************/
1024 static int Direct3DVoutCreatePictures( vout_thread_t *p_vout, size_t i_num_pics )
1025 {
1026     LPDIRECT3DDEVICE9       p_d3ddev  = p_vout->p_sys->p_d3ddev;
1027     D3DFORMAT               format;
1028     HRESULT hr;
1029     size_t c;
1030     // if vout is already running, use current chroma, otherwise choose from upstream
1031     int i_chroma = p_vout->output.i_chroma ? p_vout->output.i_chroma
1032                                            : p_vout->render.i_chroma;
1033
1034     I_OUTPUTPICTURES = 0;
1035
1036     /*
1037     ** find the appropriate D3DFORMAT for the render chroma, the format will be the closest to
1038     ** the requested chroma which is usable by the hardware in an offscreen surface, as they
1039     ** typically support more formats than textures
1040     */
1041     format = Direct3DVoutFindFormat(p_vout, i_chroma, p_vout->p_sys->bbFormat);
1042     if( VLC_SUCCESS != Direct3DVoutSetOutputFormat(p_vout, format) )
1043     {
1044         msg_Err(p_vout, "surface pixel format is not supported.");
1045         return VLC_EGENERIC;
1046     }
1047
1048     for( c=0; c<i_num_pics; )
1049     {
1050
1051         LPDIRECT3DSURFACE9 p_d3dsurf;
1052         picture_t *p_pic = p_vout->p_picture+c;
1053
1054         hr = IDirect3DDevice9_CreateOffscreenPlainSurface(p_d3ddev,
1055                 p_vout->render.i_width,
1056                 p_vout->render.i_height,
1057                 format,
1058                 D3DPOOL_DEFAULT,
1059                 &p_d3dsurf,
1060                 NULL);
1061         if( FAILED(hr) )
1062         {
1063             msg_Err(p_vout, "Failed to create picture surface. (hr=0x%lx)", hr);
1064             Direct3DVoutReleasePictures(p_vout);
1065             return VLC_EGENERIC;
1066         }
1067
1068         /* fill surface with black color */
1069         IDirect3DDevice9_ColorFill(p_d3ddev, p_d3dsurf, NULL, D3DCOLOR_ARGB(0xFF, 0, 0, 0) );
1070
1071         /* assign surface to internal structure */
1072         p_pic->p_sys = (void *)p_d3dsurf;
1073
1074         /* Now that we've got our direct-buffer, we can finish filling in the
1075          * picture_t structures */
1076         switch( p_vout->output.i_chroma )
1077         {
1078             case VLC_CODEC_RGB8:
1079                 p_pic->p->i_lines = p_vout->output.i_height;
1080                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1081                 p_pic->p->i_pixel_pitch = 1;
1082                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1083                     p_pic->p->i_pixel_pitch;
1084                 p_pic->i_planes = 1;
1085             break;
1086             case VLC_CODEC_RGB15:
1087             case VLC_CODEC_RGB16:
1088                 p_pic->p->i_lines = p_vout->output.i_height;
1089                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1090                 p_pic->p->i_pixel_pitch = 2;
1091                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1092                     p_pic->p->i_pixel_pitch;
1093                 p_pic->i_planes = 1;
1094             break;
1095             case VLC_CODEC_RGB24:
1096                 p_pic->p->i_lines = p_vout->output.i_height;
1097                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1098                 p_pic->p->i_pixel_pitch = 3;
1099                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1100                     p_pic->p->i_pixel_pitch;
1101                 p_pic->i_planes = 1;
1102             break;
1103             case VLC_CODEC_RGB32:
1104                 p_pic->p->i_lines = p_vout->output.i_height;
1105                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1106                 p_pic->p->i_pixel_pitch = 4;
1107                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1108                     p_pic->p->i_pixel_pitch;
1109                 p_pic->i_planes = 1;
1110                 break;
1111             case VLC_CODEC_UYVY:
1112             case VLC_CODEC_YUYV:
1113                 p_pic->p->i_lines = p_vout->output.i_height;
1114                 p_pic->p->i_visible_lines = p_vout->output.i_height;
1115                 p_pic->p->i_pixel_pitch = 2;
1116                 p_pic->p->i_visible_pitch = p_vout->output.i_width *
1117                     p_pic->p->i_pixel_pitch;
1118                 p_pic->i_planes = 1;
1119                 break;
1120             default:
1121                 Direct3DVoutReleasePictures(p_vout);
1122                 return VLC_EGENERIC;
1123         }
1124         p_pic->i_status = DESTROYED_PICTURE;
1125         p_pic->i_type   = DIRECT_PICTURE;
1126         p_pic->b_slow   = true;
1127         p_pic->pf_lock  = Direct3DVoutLockSurface;
1128         p_pic->pf_unlock = Direct3DVoutUnlockSurface;
1129         PP_OUTPUTPICTURE[c] = p_pic;
1130
1131         I_OUTPUTPICTURES = ++c;
1132     }
1133
1134     msg_Dbg( p_vout, "%u Direct3D pictures created successfully", c );
1135
1136     return VLC_SUCCESS;
1137 }
1138
1139 /*****************************************************************************
1140  * Direct3DVoutReleasePictures: destroy a picture vector
1141  *****************************************************************************
1142  * release all video resources used for pictures
1143  *****************************************************************************/
1144 static void Direct3DVoutReleasePictures( vout_thread_t *p_vout)
1145 {
1146     size_t i_num_pics = I_OUTPUTPICTURES;
1147     size_t c;
1148     for( c=0; c<i_num_pics; ++c )
1149     {
1150         picture_t *p_pic = p_vout->p_picture+c;
1151         if( p_pic->p_sys )
1152         {
1153             LPDIRECT3DSURFACE9 p_d3dsurf = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1154
1155             p_pic->p_sys = NULL;
1156
1157             if( p_d3dsurf )
1158             {
1159                 IDirect3DSurface9_Release(p_d3dsurf);
1160             }
1161         }
1162     }
1163     msg_Dbg( p_vout, "%u Direct3D pictures released.", c);
1164
1165     I_OUTPUTPICTURES = 0;
1166 }
1167
1168 /*****************************************************************************
1169  * Direct3DVoutLockSurface: Lock surface and get picture data pointer
1170  *****************************************************************************
1171  * This function locks a surface and get the surface descriptor which amongst
1172  * other things has the pointer to the picture data.
1173  *****************************************************************************/
1174 static int Direct3DVoutLockSurface( vout_thread_t *p_vout, picture_t *p_pic )
1175 {
1176     HRESULT hr;
1177     D3DLOCKED_RECT d3drect;
1178     LPDIRECT3DSURFACE9 p_d3dsurf = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1179
1180     if( NULL == p_d3dsurf )
1181         return VLC_EGENERIC;
1182
1183     /* Lock the surface to get a valid pointer to the picture buffer */
1184     hr = IDirect3DSurface9_LockRect(p_d3dsurf, &d3drect, NULL, 0);
1185     if( FAILED(hr) )
1186     {
1187         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1188         return VLC_EGENERIC;
1189     }
1190
1191     /* fill in buffer info in first plane */
1192     p_pic->p->p_pixels = d3drect.pBits;
1193     p_pic->p->i_pitch  = d3drect.Pitch;
1194
1195     return VLC_SUCCESS;
1196 }
1197
1198 /*****************************************************************************
1199  * Direct3DVoutUnlockSurface: Unlock a surface locked by Direct3DLockSurface().
1200  *****************************************************************************/
1201 static int Direct3DVoutUnlockSurface( vout_thread_t *p_vout, picture_t *p_pic )
1202 {
1203     HRESULT hr;
1204     LPDIRECT3DSURFACE9 p_d3dsurf = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1205
1206     if( NULL == p_d3dsurf )
1207         return VLC_EGENERIC;
1208
1209     /* Unlock the Surface */
1210     hr = IDirect3DSurface9_UnlockRect(p_d3dsurf);
1211     if( FAILED(hr) )
1212     {
1213         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1214         return VLC_EGENERIC;
1215     }
1216     return VLC_SUCCESS;
1217 }
1218
1219 /*****************************************************************************
1220  * Direct3DVoutCreateScene: allocate and initialize a 3D scene
1221  *****************************************************************************
1222  * for advanced blending/filtering a texture needs be used in a 3D scene.
1223  *****************************************************************************/
1224
1225 static int Direct3DVoutCreateScene( vout_thread_t *p_vout )
1226 {
1227     LPDIRECT3DDEVICE9       p_d3ddev  = p_vout->p_sys->p_d3ddev;
1228     LPDIRECT3DTEXTURE9      p_d3dtex;
1229     LPDIRECT3DVERTEXBUFFER9 p_d3dvtc;
1230
1231     HRESULT hr;
1232
1233     /*
1234     ** Create a texture for use when rendering a scene
1235     ** for performance reason, texture format is identical to backbuffer
1236     ** which would usually be a RGB format
1237     */
1238     hr = IDirect3DDevice9_CreateTexture(p_d3ddev,
1239             p_vout->render.i_width,
1240             p_vout->render.i_height,
1241             1,
1242             D3DUSAGE_RENDERTARGET,
1243             p_vout->p_sys->bbFormat,
1244             D3DPOOL_DEFAULT,
1245             &p_d3dtex,
1246             NULL);
1247     if( FAILED(hr))
1248     {
1249         msg_Err(p_vout, "Failed to create texture. (hr=0x%lx)", hr);
1250         return VLC_EGENERIC;
1251     }
1252
1253     /*
1254     ** Create a vertex buffer for use when rendering scene
1255     */
1256     hr = IDirect3DDevice9_CreateVertexBuffer(p_d3ddev,
1257             sizeof(CUSTOMVERTEX)*4,
1258             D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY,
1259             D3DFVF_CUSTOMVERTEX,
1260             D3DPOOL_DEFAULT,
1261             &p_d3dvtc,
1262             NULL);
1263     if( FAILED(hr) )
1264     {
1265         msg_Err(p_vout, "Failed to create vertex buffer. (hr=0x%lx)", hr);
1266             IDirect3DTexture9_Release(p_d3dtex);
1267         return VLC_EGENERIC;
1268     }
1269
1270     p_vout->p_sys->p_d3dtex = p_d3dtex;
1271     p_vout->p_sys->p_d3dvtc = p_d3dvtc;
1272
1273     // Texture coordinates outside the range [0.0, 1.0] are set
1274     // to the texture color at 0.0 or 1.0, respectively.
1275     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
1276     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
1277
1278     // Set linear filtering quality
1279     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
1280     IDirect3DDevice9_SetSamplerState(p_d3ddev, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
1281
1282     // set maximum ambient light
1283     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_AMBIENT, D3DCOLOR_XRGB(255,255,255));
1284
1285     // Turn off culling
1286     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_CULLMODE, D3DCULL_NONE);
1287
1288     // Turn off the zbuffer
1289     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ZENABLE, D3DZB_FALSE);
1290
1291     // Turn off lights
1292     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_LIGHTING, FALSE);
1293
1294     // Enable dithering
1295     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_DITHERENABLE, TRUE);
1296
1297     // disable stencil
1298     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_STENCILENABLE, FALSE);
1299
1300     // manage blending
1301     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHABLENDENABLE, TRUE);
1302     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_SRCBLEND,D3DBLEND_SRCALPHA);
1303     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_DESTBLEND,D3DBLEND_INVSRCALPHA);
1304     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHATESTENABLE,TRUE);
1305     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHAREF, 0x10);
1306     IDirect3DDevice9_SetRenderState(p_d3ddev, D3DRS_ALPHAFUNC,D3DCMP_GREATER);
1307
1308     // Set texture states
1309     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_COLOROP,D3DTOP_MODULATE);
1310     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_COLORARG1,D3DTA_TEXTURE);
1311     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_COLORARG2,D3DTA_DIFFUSE);
1312
1313     // turn off alpha operation
1314     IDirect3DDevice9_SetTextureStageState(p_d3ddev, 0, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
1315
1316     msg_Dbg( p_vout, "Direct3D scene created successfully");
1317
1318     return VLC_SUCCESS;
1319 }
1320
1321 /*****************************************************************************
1322  * Direct3DVoutReleaseScene
1323  *****************************************************************************/
1324 static void Direct3DVoutReleaseScene( vout_thread_t *p_vout )
1325 {
1326     LPDIRECT3DTEXTURE9      p_d3dtex = p_vout->p_sys->p_d3dtex;
1327     LPDIRECT3DVERTEXBUFFER9 p_d3dvtc = p_vout->p_sys->p_d3dvtc;
1328
1329     if( p_d3dvtc )
1330     {
1331         IDirect3DVertexBuffer9_Release(p_d3dvtc);
1332         p_vout->p_sys->p_d3dvtc = NULL;
1333     }
1334
1335     if( p_d3dtex )
1336     {
1337         IDirect3DTexture9_Release(p_d3dtex);
1338         p_vout->p_sys->p_d3dtex = NULL;
1339     }
1340     msg_Dbg( p_vout, "Direct3D scene released successfully");
1341 }
1342
1343 /*****************************************************************************
1344  * Render: copy picture surface into a texture and render into a scene
1345  *****************************************************************************
1346  * This function is intented for higher end 3D cards, with pixel shader support
1347  * and at least 64 MB of video RAM.
1348  *****************************************************************************/
1349 static void Direct3DVoutRenderScene( vout_thread_t *p_vout, picture_t *p_pic )
1350 {
1351     LPDIRECT3DDEVICE9       p_d3ddev  = p_vout->p_sys->p_d3ddev;
1352     LPDIRECT3DTEXTURE9      p_d3dtex;
1353     LPDIRECT3DVERTEXBUFFER9 p_d3dvtc;
1354     LPDIRECT3DSURFACE9      p_d3dsrc, p_d3ddest;
1355     CUSTOMVERTEX            *p_vertices;
1356     HRESULT hr;
1357     float f_width, f_height;
1358
1359     // check if device is still available
1360     hr = IDirect3DDevice9_TestCooperativeLevel(p_d3ddev);
1361     if( FAILED(hr) )
1362     {
1363         if( (D3DERR_DEVICENOTRESET != hr)
1364          || (VLC_SUCCESS != Direct3DVoutResetDevice(p_vout)) )
1365         {
1366             // device is not usable at present (lost device, out of video mem ?)
1367             return;
1368         }
1369     }
1370     p_d3dtex  = p_vout->p_sys->p_d3dtex;
1371     p_d3dvtc  = p_vout->p_sys->p_d3dvtc;
1372
1373     /* Clear the backbuffer and the zbuffer */
1374     hr = IDirect3DDevice9_Clear( p_d3ddev, 0, NULL, D3DCLEAR_TARGET,
1375                               D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0 );
1376     if( FAILED(hr) )
1377     {
1378         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1379         return;
1380     }
1381
1382     /*  retrieve picture surface */
1383     p_d3dsrc = (LPDIRECT3DSURFACE9)p_pic->p_sys;
1384     if( NULL == p_d3dsrc )
1385     {
1386         msg_Dbg( p_vout, "no surface to render ?");
1387         return;
1388     }
1389
1390     /* retrieve texture top-level surface */
1391     hr = IDirect3DTexture9_GetSurfaceLevel(p_d3dtex, 0, &p_d3ddest);
1392     if( FAILED(hr) )
1393     {
1394         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1395         return;
1396     }
1397
1398     /* Copy picture surface into texture surface, color space conversion happens here */
1399     hr = IDirect3DDevice9_StretchRect(p_d3ddev, p_d3dsrc, NULL, p_d3ddest, NULL, D3DTEXF_NONE);
1400     IDirect3DSurface9_Release(p_d3ddest);
1401     if( FAILED(hr) )
1402     {
1403         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1404         return;
1405     }
1406
1407     /* Update the vertex buffer */
1408     hr = IDirect3DVertexBuffer9_Lock(p_d3dvtc, 0, 0, (VOID **)(&p_vertices), D3DLOCK_DISCARD);
1409     if( FAILED(hr) )
1410     {
1411         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1412         return;
1413     }
1414
1415     /* Setup vertices */
1416     f_width  = (float)(p_vout->output.i_width);
1417     f_height = (float)(p_vout->output.i_height);
1418
1419     /* -0.5f is a "feature" of DirectX and it seems to apply to Direct3d also */
1420     /* http://www.sjbrown.co.uk/2003/05/01/fix-directx-rasterisation/ */
1421     p_vertices[0].x       = -0.5f;       // left
1422     p_vertices[0].y       = -0.5f;       // top
1423     p_vertices[0].z       = 0.0f;
1424     p_vertices[0].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1425     p_vertices[0].rhw     = 1.0f;
1426     p_vertices[0].tu      = 0.0f;
1427     p_vertices[0].tv      = 0.0f;
1428
1429     p_vertices[1].x       = f_width - 0.5f;    // right
1430     p_vertices[1].y       = -0.5f;       // top
1431     p_vertices[1].z       = 0.0f;
1432     p_vertices[1].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1433     p_vertices[1].rhw     = 1.0f;
1434     p_vertices[1].tu      = 1.0f;
1435     p_vertices[1].tv      = 0.0f;
1436
1437     p_vertices[2].x       = f_width - 0.5f;    // right
1438     p_vertices[2].y       = f_height - 0.5f;   // bottom
1439     p_vertices[2].z       = 0.0f;
1440     p_vertices[2].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1441     p_vertices[2].rhw     = 1.0f;
1442     p_vertices[2].tu      = 1.0f;
1443     p_vertices[2].tv      = 1.0f;
1444
1445     p_vertices[3].x       = -0.5f;       // left
1446     p_vertices[3].y       = f_height - 0.5f;   // bottom
1447     p_vertices[3].z       = 0.0f;
1448     p_vertices[3].diffuse = D3DCOLOR_ARGB(255, 255, 255, 255);
1449     p_vertices[3].rhw     = 1.0f;
1450     p_vertices[3].tu      = 0.0f;
1451     p_vertices[3].tv      = 1.0f;
1452
1453     hr= IDirect3DVertexBuffer9_Unlock(p_d3dvtc);
1454     if( FAILED(hr) )
1455     {
1456         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1457         return;
1458     }
1459
1460     // Begin the scene
1461     hr = IDirect3DDevice9_BeginScene(p_d3ddev);
1462     if( FAILED(hr) )
1463     {
1464         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1465         return;
1466     }
1467
1468     // Setup our texture. Using textures introduces the texture stage states,
1469     // which govern how textures get blended together (in the case of multiple
1470     // textures) and lighting information. In this case, we are modulating
1471     // (blending) our texture with the diffuse color of the vertices.
1472     hr = IDirect3DDevice9_SetTexture(p_d3ddev, 0, (LPDIRECT3DBASETEXTURE9)p_d3dtex);
1473     if( FAILED(hr) )
1474     {
1475         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1476         IDirect3DDevice9_EndScene(p_d3ddev);
1477         return;
1478     }
1479
1480     // Render the vertex buffer contents
1481     hr = IDirect3DDevice9_SetStreamSource(p_d3ddev, 0, p_d3dvtc, 0, sizeof(CUSTOMVERTEX));
1482     if( FAILED(hr) )
1483     {
1484         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1485         IDirect3DDevice9_EndScene(p_d3ddev);
1486         return;
1487     }
1488
1489     // we use FVF instead of vertex shader
1490     hr = IDirect3DDevice9_SetFVF(p_d3ddev, D3DFVF_CUSTOMVERTEX);
1491     if( FAILED(hr) )
1492     {
1493         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1494         IDirect3DDevice9_EndScene(p_d3ddev);
1495         return;
1496     }
1497
1498     // draw rectangle
1499     hr = IDirect3DDevice9_DrawPrimitive(p_d3ddev, D3DPT_TRIANGLEFAN, 0, 2);
1500     if( FAILED(hr) )
1501     {
1502         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1503         IDirect3DDevice9_EndScene(p_d3ddev);
1504         return;
1505     }
1506
1507     // End the scene
1508     hr = IDirect3DDevice9_EndScene(p_d3ddev);
1509     if( FAILED(hr) )
1510     {
1511         msg_Dbg( p_vout, "%s:%d (hr=0x%0lX)", __FUNCTION__, __LINE__, hr);
1512         return;
1513     }
1514 }
1515